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Upgrade Operator SDK to v1.34.1 and update dependencies (#185)

Browse Source 
This does the following updates:

* Upgrade to Operator SDK v1.34.1. This fixes building multi-arch images from Makefile. Check this MR from operator-framework for details.
* Update Go dependencies. This addresses Dependabot alert ["Golang protojson.Unmarshal function infinite loop when unmarshaling certain forms of invalid JSON"](https://github.com/1Password/onepassword-operator/security/dependabot/13).
* Update versions of the GitHub Actions used in the pipelines.
* Update Kubernetes related tools (such as controller-tools version, and operator-sdk for ci pipelines)

By updating dependencies, the pipelines no longer fail due to a panic error when running `make test`.
This commit is contained in:
Eduard Filip
2024-03-25 15:41:18 +01:00
committed by GitHub
parent 5f232b121a
commit eda5612827
503 changed files with 30557 additions and 7140 deletions
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2
vendor/github.com/prometheus/client_golang/prometheus/collectors/expvar_collector.go generated vendored
View File

@@ -22,7 +22,7 @@ import "github.com/prometheus/client_golang/prometheus"
// Prometheus metrics. Note that the data models of expvar and Prometheus are
// fundamentally different, and that the expvar Collector is inherently slower
// than native Prometheus metrics. Thus, the expvar Collector is probably great
// for experiments and prototying, but you should seriously consider a more
// for experiments and prototyping, but you should seriously consider a more
// direct implementation of Prometheus metrics for monitoring production
// systems.
//

9
vendor/github.com/prometheus/client_golang/prometheus/collectors/go_collector_latest.go generated vendored
View File

@@ -132,16 +132,19 @@ type GoCollectionOption uint32
const (
// GoRuntimeMemStatsCollection represents the metrics represented by runtime.MemStats structure.
// Deprecated. Use WithGoCollectorMemStatsMetricsDisabled() function to disable those metrics in the collector.
//
// Deprecated: Use WithGoCollectorMemStatsMetricsDisabled() function to disable those metrics in the collector.
GoRuntimeMemStatsCollection GoCollectionOption = 1 << iota
// GoRuntimeMetricsCollection is the new set of metrics represented by runtime/metrics package.
// Deprecated. Use WithGoCollectorRuntimeMetrics(GoRuntimeMetricsRule{Matcher: regexp.MustCompile("/.*")})
//
// Deprecated: Use WithGoCollectorRuntimeMetrics(GoRuntimeMetricsRule{Matcher: regexp.MustCompile("/.*")})
// function to enable those metrics in the collector.
GoRuntimeMetricsCollection
)
// WithGoCollections allows enabling different collections for Go collector on top of base metrics.
// Deprecated. Use WithGoCollectorRuntimeMetrics() and WithGoCollectorMemStatsMetricsDisabled() instead to control metrics.
//
// Deprecated: Use WithGoCollectorRuntimeMetrics() and WithGoCollectorMemStatsMetricsDisabled() instead to control metrics.
func WithGoCollections(flags GoCollectionOption) func(options *internal.GoCollectorOptions) {
return func(options *internal.GoCollectorOptions) {
if flags&GoRuntimeMemStatsCollection == 0 {

26
vendor/github.com/prometheus/client_golang/prometheus/counter.go generated vendored
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@@ -20,6 +20,7 @@ import (
"time"
dto "github.com/prometheus/client_model/go"
"google.golang.org/protobuf/types/known/timestamppb"
)
// Counter is a Metric that represents a single numerical value that only ever
@@ -66,7 +67,7 @@ type CounterVecOpts struct {
CounterOpts
// VariableLabels are used to partition the metric vector by the given set
// of labels. Each label value will be constrained with the optional Contraint
// of labels. Each label value will be constrained with the optional Constraint
// function, if provided.
VariableLabels ConstrainableLabels
}
@@ -90,8 +91,12 @@ func NewCounter(opts CounterOpts) Counter {
nil,
opts.ConstLabels,
)
result := &counter{desc: desc, labelPairs: desc.constLabelPairs, now: time.Now}
if opts.now == nil {
opts.now = time.Now
}
result := &counter{desc: desc, labelPairs: desc.constLabelPairs, now: opts.now}
result.init(result) // Init self-collection.
result.createdTs = timestamppb.New(opts.now())
return result
}
@@ -106,10 +111,12 @@ type counter struct {
selfCollector
desc *Desc
createdTs *timestamppb.Timestamp
labelPairs []*dto.LabelPair
exemplar atomic.Value // Containing nil or a *dto.Exemplar.
now func() time.Time // To mock out time.Now() for testing.
// now is for testing purposes, by default it's time.Now.
now func() time.Time
}
func (c *counter) Desc() *Desc {
@@ -159,8 +166,7 @@ func (c *counter) Write(out *dto.Metric) error {
exemplar = e.(*dto.Exemplar)
}
val := c.get()
return populateMetric(CounterValue, val, c.labelPairs, exemplar, out)
return populateMetric(CounterValue, val, c.labelPairs, exemplar, out, c.createdTs)
}
func (c *counter) updateExemplar(v float64, l Labels) {
@@ -200,13 +206,17 @@ func (v2) NewCounterVec(opts CounterVecOpts) *CounterVec {
opts.VariableLabels,
opts.ConstLabels,
)
if opts.now == nil {
opts.now = time.Now
}
return &CounterVec{
MetricVec: NewMetricVec(desc, func(lvs ...string) Metric {
if len(lvs) != len(desc.variableLabels) {
panic(makeInconsistentCardinalityError(desc.fqName, desc.variableLabels.labelNames(), lvs))
if len(lvs) != len(desc.variableLabels.names) {
panic(makeInconsistentCardinalityError(desc.fqName, desc.variableLabels.names, lvs))
}
result := &counter{desc: desc, labelPairs: MakeLabelPairs(desc, lvs), now: time.Now}
result := &counter{desc: desc, labelPairs: MakeLabelPairs(desc, lvs), now: opts.now}
result.init(result) // Init self-collection.
result.createdTs = timestamppb.New(opts.now())
return result
}),
}

28
vendor/github.com/prometheus/client_golang/prometheus/desc.go generated vendored
View File

@@ -52,7 +52,7 @@ type Desc struct {
constLabelPairs []*dto.LabelPair
// variableLabels contains names of labels and normalization function for
// which the metric maintains variable values.
variableLabels ConstrainedLabels
variableLabels *compiledLabels
// id is a hash of the values of the ConstLabels and fqName. This
// must be unique among all registered descriptors and can therefore be
// used as an identifier of the descriptor.
@@ -93,7 +93,7 @@ func (v2) NewDesc(fqName, help string, variableLabels ConstrainableLabels, const
d := &Desc{
fqName: fqName,
help: help,
variableLabels: variableLabels.constrainedLabels(),
variableLabels: variableLabels.compile(),
}
if !model.IsValidMetricName(model.LabelValue(fqName)) {
d.err = fmt.Errorf("%q is not a valid metric name", fqName)
@@ -103,7 +103,7 @@ func (v2) NewDesc(fqName, help string, variableLabels ConstrainableLabels, const
// their sorted label names) plus the fqName (at position 0).
labelValues := make([]string, 1, len(constLabels)+1)
labelValues[0] = fqName
labelNames := make([]string, 0, len(constLabels)+len(d.variableLabels))
labelNames := make([]string, 0, len(constLabels)+len(d.variableLabels.names))
labelNameSet := map[string]struct{}{}
// First add only the const label names and sort them...
for labelName := range constLabels {
@@ -128,13 +128,13 @@ func (v2) NewDesc(fqName, help string, variableLabels ConstrainableLabels, const
// Now add the variable label names, but prefix them with something that
// cannot be in a regular label name. That prevents matching the label
// dimension with a different mix between preset and variable labels.
for _, label := range d.variableLabels {
if !checkLabelName(label.Name) {
d.err = fmt.Errorf("%q is not a valid label name for metric %q", label.Name, fqName)
for _, label := range d.variableLabels.names {
if !checkLabelName(label) {
d.err = fmt.Errorf("%q is not a valid label name for metric %q", label, fqName)
return d
}
labelNames = append(labelNames, "$"+label.Name)
labelNameSet[label.Name] = struct{}{}
labelNames = append(labelNames, "$"+label)
labelNameSet[label] = struct{}{}
}
if len(labelNames) != len(labelNameSet) {
d.err = fmt.Errorf("duplicate label names in constant and variable labels for metric %q", fqName)
@@ -189,11 +189,19 @@ func (d *Desc) String() string {
fmt.Sprintf("%s=%q", lp.GetName(), lp.GetValue()),
)
}
vlStrings := make([]string, 0, len(d.variableLabels.names))
for _, vl := range d.variableLabels.names {
if fn, ok := d.variableLabels.labelConstraints[vl]; ok && fn != nil {
vlStrings = append(vlStrings, fmt.Sprintf("c(%s)", vl))
} else {
vlStrings = append(vlStrings, vl)
}
}
return fmt.Sprintf(
"Desc{fqName: %q, help: %q, constLabels: {%s}, variableLabels: %v}",
"Desc{fqName: %q, help: %q, constLabels: {%s}, variableLabels: {%s}}",
d.fqName,
d.help,
strings.Join(lpStrings, ","),
d.variableLabels,
strings.Join(vlStrings, ","),
)
}

2
vendor/github.com/prometheus/client_golang/prometheus/expvar_collector.go generated vendored
View File

@@ -48,7 +48,7 @@ func (e *expvarCollector) Collect(ch chan<- Metric) {
continue
}
var v interface{}
labels := make([]string, len(desc.variableLabels))
labels := make([]string, len(desc.variableLabels.names))
if err := json.Unmarshal([]byte(expVar.String()), &v); err != nil {
ch <- NewInvalidMetric(desc, err)
continue

8
vendor/github.com/prometheus/client_golang/prometheus/gauge.go generated vendored
View File

@@ -62,7 +62,7 @@ type GaugeVecOpts struct {
GaugeOpts
// VariableLabels are used to partition the metric vector by the given set
// of labels. Each label value will be constrained with the optional Contraint
// of labels. Each label value will be constrained with the optional Constraint
// function, if provided.
VariableLabels ConstrainableLabels
}
@@ -135,7 +135,7 @@ func (g *gauge) Sub(val float64) {
func (g *gauge) Write(out *dto.Metric) error {
val := math.Float64frombits(atomic.LoadUint64(&g.valBits))
return populateMetric(GaugeValue, val, g.labelPairs, nil, out)
return populateMetric(GaugeValue, val, g.labelPairs, nil, out, nil)
}
// GaugeVec is a Collector that bundles a set of Gauges that all share the same
@@ -166,8 +166,8 @@ func (v2) NewGaugeVec(opts GaugeVecOpts) *GaugeVec {
)
return &GaugeVec{
MetricVec: NewMetricVec(desc, func(lvs ...string) Metric {
if len(lvs) != len(desc.variableLabels) {
panic(makeInconsistentCardinalityError(desc.fqName, desc.variableLabels.labelNames(), lvs))
if len(lvs) != len(desc.variableLabels.names) {
panic(makeInconsistentCardinalityError(desc.fqName, desc.variableLabels.names, lvs))
}
result := &gauge{desc: desc, labelPairs: MakeLabelPairs(desc, lvs)}
result.init(result) // Init self-collection.

168
vendor/github.com/prometheus/client_golang/prometheus/histogram.go generated vendored
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@@ -25,6 +25,7 @@ import (
dto "github.com/prometheus/client_model/go"
"google.golang.org/protobuf/proto"
"google.golang.org/protobuf/types/known/timestamppb"
)
// nativeHistogramBounds for the frac of observed values. Only relevant for
@@ -391,7 +392,7 @@ type HistogramOpts struct {
// zero, it is replaced by default buckets. The default buckets are
// DefBuckets if no buckets for a native histogram (see below) are used,
// otherwise the default is no buckets. (In other words, if you want to
// use both reguler buckets and buckets for a native histogram, you have
// use both regular buckets and buckets for a native histogram, you have
// to define the regular buckets here explicitly.)
Buckets []float64
@@ -413,8 +414,8 @@ type HistogramOpts struct {
// and 2, same as between 2 and 4, and 4 and 8, etc.).
//
// Details about the actually used factor: The factor is calculated as
// 2^(2^n), where n is an integer number between (and including) -8 and
// 4. n is chosen so that the resulting factor is the largest that is
// 2^(2^-n), where n is an integer number between (and including) -4 and
// 8. n is chosen so that the resulting factor is the largest that is
// still smaller or equal to NativeHistogramBucketFactor. Note that the
// smallest possible factor is therefore approx. 1.00271 (i.e. 2^(2^-8)
// ). If NativeHistogramBucketFactor is greater than 1 but smaller than
@@ -428,12 +429,12 @@ type HistogramOpts struct {
// a major version bump.
NativeHistogramBucketFactor float64
// All observations with an absolute value of less or equal
// NativeHistogramZeroThreshold are accumulated into a “zero”
// bucket. For best results, this should be close to a bucket
// boundary. This is usually the case if picking a power of two. If
// NativeHistogramZeroThreshold are accumulated into a “zero” bucket.
// For best results, this should be close to a bucket boundary. This is
// usually the case if picking a power of two. If
// NativeHistogramZeroThreshold is left at zero,
// DefNativeHistogramZeroThreshold is used as the threshold. To configure
// a zero bucket with an actual threshold of zero (i.e. only
// DefNativeHistogramZeroThreshold is used as the threshold. To
// configure a zero bucket with an actual threshold of zero (i.e. only
// observations of precisely zero will go into the zero bucket), set
// NativeHistogramZeroThreshold to the NativeHistogramZeroThresholdZero
// constant (or any negative float value).
@@ -446,26 +447,37 @@ type HistogramOpts struct {
// Histogram are sufficiently wide-spread. In particular, this could be
// used as a DoS attack vector. Where the observed values depend on
// external inputs, it is highly recommended to set a
// NativeHistogramMaxBucketNumber.) Once the set
// NativeHistogramMaxBucketNumber.) Once the set
// NativeHistogramMaxBucketNumber is exceeded, the following strategy is
// enacted: First, if the last reset (or the creation) of the histogram
// is at least NativeHistogramMinResetDuration ago, then the whole
// histogram is reset to its initial state (including regular
// buckets). If less time has passed, or if
// NativeHistogramMinResetDuration is zero, no reset is
// performed. Instead, the zero threshold is increased sufficiently to
// reduce the number of buckets to or below
// NativeHistogramMaxBucketNumber, but not to more than
// NativeHistogramMaxZeroThreshold. Thus, if
// NativeHistogramMaxZeroThreshold is already at or below the current
// zero threshold, nothing happens at this step. After that, if the
// number of buckets still exceeds NativeHistogramMaxBucketNumber, the
// resolution of the histogram is reduced by doubling the width of the
// sparse buckets (up to a growth factor between one bucket to the next
// of 2^(2^4) = 65536, see above).
// enacted:
// - First, if the last reset (or the creation) of the histogram is at
// least NativeHistogramMinResetDuration ago, then the whole
// histogram is reset to its initial state (including regular
// buckets).
// - If less time has passed, or if NativeHistogramMinResetDuration is
// zero, no reset is performed. Instead, the zero threshold is
// increased sufficiently to reduce the number of buckets to or below
// NativeHistogramMaxBucketNumber, but not to more than
// NativeHistogramMaxZeroThreshold. Thus, if
// NativeHistogramMaxZeroThreshold is already at or below the current
// zero threshold, nothing happens at this step.
// - After that, if the number of buckets still exceeds
// NativeHistogramMaxBucketNumber, the resolution of the histogram is
// reduced by doubling the width of the sparse buckets (up to a
// growth factor between one bucket to the next of 2^(2^4) = 65536,
// see above).
// - Any increased zero threshold or reduced resolution is reset back
// to their original values once NativeHistogramMinResetDuration has
// passed (since the last reset or the creation of the histogram).
NativeHistogramMaxBucketNumber uint32
NativeHistogramMinResetDuration time.Duration
NativeHistogramMaxZeroThreshold float64
// now is for testing purposes, by default it's time.Now.
now func() time.Time
// afterFunc is for testing purposes, by default it's time.AfterFunc.
afterFunc func(time.Duration, func()) *time.Timer
}
// HistogramVecOpts bundles the options to create a HistogramVec metric.
@@ -475,7 +487,7 @@ type HistogramVecOpts struct {
HistogramOpts
// VariableLabels are used to partition the metric vector by the given set
// of labels. Each label value will be constrained with the optional Contraint
// of labels. Each label value will be constrained with the optional Constraint
// function, if provided.
VariableLabels ConstrainableLabels
}
@@ -499,12 +511,12 @@ func NewHistogram(opts HistogramOpts) Histogram {
}
func newHistogram(desc *Desc, opts HistogramOpts, labelValues ...string) Histogram {
if len(desc.variableLabels) != len(labelValues) {
panic(makeInconsistentCardinalityError(desc.fqName, desc.variableLabels.labelNames(), labelValues))
if len(desc.variableLabels.names) != len(labelValues) {
panic(makeInconsistentCardinalityError(desc.fqName, desc.variableLabels.names, labelValues))
}
for _, n := range desc.variableLabels {
if n.Name == bucketLabel {
for _, n := range desc.variableLabels.names {
if n == bucketLabel {
panic(errBucketLabelNotAllowed)
}
}
@@ -514,6 +526,12 @@ func newHistogram(desc *Desc, opts HistogramOpts, labelValues ...string) Histogr
}
}
if opts.now == nil {
opts.now = time.Now
}
if opts.afterFunc == nil {
opts.afterFunc = time.AfterFunc
}
h := &histogram{
desc: desc,
upperBounds: opts.Buckets,
@@ -521,8 +539,9 @@ func newHistogram(desc *Desc, opts HistogramOpts, labelValues ...string) Histogr
nativeHistogramMaxBuckets: opts.NativeHistogramMaxBucketNumber,
nativeHistogramMaxZeroThreshold: opts.NativeHistogramMaxZeroThreshold,
nativeHistogramMinResetDuration: opts.NativeHistogramMinResetDuration,
lastResetTime: time.Now(),
now: time.Now,
lastResetTime: opts.now(),
now: opts.now,
afterFunc: opts.afterFunc,
}
if len(h.upperBounds) == 0 && opts.NativeHistogramBucketFactor <= 1 {
h.upperBounds = DefBuckets
@@ -701,9 +720,18 @@ type histogram struct {
nativeHistogramMaxZeroThreshold float64
nativeHistogramMaxBuckets uint32
nativeHistogramMinResetDuration time.Duration
lastResetTime time.Time // Protected by mtx.
// lastResetTime is protected by mtx. It is also used as created timestamp.
lastResetTime time.Time
// resetScheduled is protected by mtx. It is true if a reset is
// scheduled for a later time (when nativeHistogramMinResetDuration has
// passed).
resetScheduled bool
now func() time.Time // To mock out time.Now() for testing.
// now is for testing purposes, by default it's time.Now.
now func() time.Time
// afterFunc is for testing purposes, by default it's time.AfterFunc.
afterFunc func(time.Duration, func()) *time.Timer
}
func (h *histogram) Desc() *Desc {
@@ -742,9 +770,10 @@ func (h *histogram) Write(out *dto.Metric) error {
waitForCooldown(count, coldCounts)
his := &dto.Histogram{
Bucket: make([]*dto.Bucket, len(h.upperBounds)),
SampleCount: proto.Uint64(count),
SampleSum: proto.Float64(math.Float64frombits(atomic.LoadUint64(&coldCounts.sumBits))),
Bucket: make([]*dto.Bucket, len(h.upperBounds)),
SampleCount: proto.Uint64(count),
SampleSum: proto.Float64(math.Float64frombits(atomic.LoadUint64(&coldCounts.sumBits))),
CreatedTimestamp: timestamppb.New(h.lastResetTime),
}
out.Histogram = his
out.Label = h.labelPairs
@@ -782,6 +811,16 @@ func (h *histogram) Write(out *dto.Metric) error {
his.ZeroCount = proto.Uint64(zeroBucket)
his.NegativeSpan, his.NegativeDelta = makeBuckets(&coldCounts.nativeHistogramBucketsNegative)
his.PositiveSpan, his.PositiveDelta = makeBuckets(&coldCounts.nativeHistogramBucketsPositive)
// Add a no-op span to a histogram without observations and with
// a zero threshold of zero. Otherwise, a native histogram would
// look like a classic histogram to scrapers.
if *his.ZeroThreshold == 0 && *his.ZeroCount == 0 && len(his.PositiveSpan) == 0 && len(his.NegativeSpan) == 0 {
his.PositiveSpan = []*dto.BucketSpan{{
Offset: proto.Int32(0),
Length: proto.Uint32(0),
}}
}
}
addAndResetCounts(hotCounts, coldCounts)
return nil
@@ -848,26 +887,39 @@ func (h *histogram) limitBuckets(counts *histogramCounts, value float64, bucket
if h.maybeReset(hotCounts, coldCounts, coldIdx, value, bucket) {
return
}
// One of the other strategies will happen. To undo what they will do as
// soon as enough time has passed to satisfy
// h.nativeHistogramMinResetDuration, schedule a reset at the right time
// if we haven't done so already.
if h.nativeHistogramMinResetDuration > 0 && !h.resetScheduled {
h.resetScheduled = true
h.afterFunc(h.nativeHistogramMinResetDuration-h.now().Sub(h.lastResetTime), h.reset)
}
if h.maybeWidenZeroBucket(hotCounts, coldCounts) {
return
}
h.doubleBucketWidth(hotCounts, coldCounts)
}
// maybeReset resests the whole histogram if at least h.nativeHistogramMinResetDuration
// has been passed. It returns true if the histogram has been reset. The caller
// must have locked h.mtx.
func (h *histogram) maybeReset(hot, cold *histogramCounts, coldIdx uint64, value float64, bucket int) bool {
// maybeReset resets the whole histogram if at least
// h.nativeHistogramMinResetDuration has been passed. It returns true if the
// histogram has been reset. The caller must have locked h.mtx.
func (h *histogram) maybeReset(
hot, cold *histogramCounts, coldIdx uint64, value float64, bucket int,
) bool {
// We are using the possibly mocked h.now() rather than
// time.Since(h.lastResetTime) to enable testing.
if h.nativeHistogramMinResetDuration == 0 || h.now().Sub(h.lastResetTime) < h.nativeHistogramMinResetDuration {
if h.nativeHistogramMinResetDuration == 0 || // No reset configured.
h.resetScheduled || // Do not interefere if a reset is already scheduled.
h.now().Sub(h.lastResetTime) < h.nativeHistogramMinResetDuration {
return false
}
// Completely reset coldCounts.
h.resetCounts(cold)
// Repeat the latest observation to not lose it completely.
cold.observe(value, bucket, true)
// Make coldCounts the new hot counts while ressetting countAndHotIdx.
// Make coldCounts the new hot counts while resetting countAndHotIdx.
n := atomic.SwapUint64(&h.countAndHotIdx, (coldIdx<<63)+1)
count := n & ((1 << 63) - 1)
waitForCooldown(count, hot)
@@ -877,6 +929,29 @@ func (h *histogram) maybeReset(hot, cold *histogramCounts, coldIdx uint64, value
return true
}
// reset resets the whole histogram. It locks h.mtx itself, i.e. it has to be
// called without having locked h.mtx.
func (h *histogram) reset() {
h.mtx.Lock()
defer h.mtx.Unlock()
n := atomic.LoadUint64(&h.countAndHotIdx)
hotIdx := n >> 63
coldIdx := (^n) >> 63
hot := h.counts[hotIdx]
cold := h.counts[coldIdx]
// Completely reset coldCounts.
h.resetCounts(cold)
// Make coldCounts the new hot counts while resetting countAndHotIdx.
n = atomic.SwapUint64(&h.countAndHotIdx, coldIdx<<63)
count := n & ((1 << 63) - 1)
waitForCooldown(count, hot)
// Finally, reset the formerly hot counts, too.
h.resetCounts(hot)
h.lastResetTime = h.now()
h.resetScheduled = false
}
// maybeWidenZeroBucket widens the zero bucket until it includes the existing
// buckets closest to the zero bucket (which could be two, if an equidistant
// negative and a positive bucket exists, but usually it's only one bucket to be
@@ -1176,6 +1251,7 @@ type constHistogram struct {
sum float64
buckets map[float64]uint64
labelPairs []*dto.LabelPair
createdTs *timestamppb.Timestamp
}
func (h *constHistogram) Desc() *Desc {
@@ -1183,7 +1259,9 @@ func (h *constHistogram) Desc() *Desc {
}
func (h *constHistogram) Write(out *dto.Metric) error {
his := &dto.Histogram{}
his := &dto.Histogram{
CreatedTimestamp: h.createdTs,
}
buckets := make([]*dto.Bucket, 0, len(h.buckets))
@@ -1230,7 +1308,7 @@ func NewConstHistogram(
if desc.err != nil {
return nil, desc.err
}
if err := validateLabelValues(labelValues, len(desc.variableLabels)); err != nil {
if err := validateLabelValues(labelValues, len(desc.variableLabels.names)); err != nil {
return nil, err
}
return &constHistogram{
@@ -1324,7 +1402,7 @@ func makeBuckets(buckets *sync.Map) ([]*dto.BucketSpan, []int64) {
// Multiple spans with only small gaps in between are probably
// encoded more efficiently as one larger span with a few empty
// buckets. Needs some research to find the sweet spot. For now,
// we assume that gaps of one ore two buckets should not create
// we assume that gaps of one or two buckets should not create
// a new span.
iDelta := int32(i - nextI)
if n == 0 || iDelta > 2 {

2
vendor/github.com/prometheus/client_golang/prometheus/internal/difflib.go generated vendored
View File

@@ -14,7 +14,7 @@
// It provides tools to compare sequences of strings and generate textual diffs.
//
// Maintaining `GetUnifiedDiffString` here because original repository
// (https://github.com/pmezard/go-difflib) is no loger maintained.
// (https://github.com/pmezard/go-difflib) is no longer maintained.
package internal
import (

60
vendor/github.com/prometheus/client_golang/prometheus/labels.go generated vendored
View File

@@ -32,19 +32,15 @@ import (
// create a Desc.
type Labels map[string]string
// LabelConstraint normalizes label values.
type LabelConstraint func(string) string
// ConstrainedLabels represents a label name and its constrain function
// to normalize label values. This type is commonly used when constructing
// metric vector Collectors.
type ConstrainedLabel struct {
Name string
Constraint func(string) string
}
func (cl ConstrainedLabel) Constrain(v string) string {
if cl.Constraint == nil {
return v
}
return cl.Constraint(v)
Constraint LabelConstraint
}
// ConstrainableLabels is an interface that allows creating of labels that can
@@ -58,7 +54,7 @@ func (cl ConstrainedLabel) Constrain(v string) string {
// },
// })
type ConstrainableLabels interface {
constrainedLabels() ConstrainedLabels
compile() *compiledLabels
labelNames() []string
}
@@ -67,8 +63,20 @@ type ConstrainableLabels interface {
// metric vector Collectors.
type ConstrainedLabels []ConstrainedLabel
func (cls ConstrainedLabels) constrainedLabels() ConstrainedLabels {
return cls
func (cls ConstrainedLabels) compile() *compiledLabels {
compiled := &compiledLabels{
names: make([]string, len(cls)),
labelConstraints: map[string]LabelConstraint{},
}
for i, label := range cls {
compiled.names[i] = label.Name
if label.Constraint != nil {
compiled.labelConstraints[label.Name] = label.Constraint
}
}
return compiled
}
func (cls ConstrainedLabels) labelNames() []string {
@@ -92,18 +100,36 @@ func (cls ConstrainedLabels) labelNames() []string {
// }
type UnconstrainedLabels []string
func (uls UnconstrainedLabels) constrainedLabels() ConstrainedLabels {
constrainedLabels := make([]ConstrainedLabel, len(uls))
for i, l := range uls {
constrainedLabels[i] = ConstrainedLabel{Name: l}
func (uls UnconstrainedLabels) compile() *compiledLabels {
return &compiledLabels{
names: uls,
}
return constrainedLabels
}
func (uls UnconstrainedLabels) labelNames() []string {
return uls
}
type compiledLabels struct {
names []string
labelConstraints map[string]LabelConstraint
}
func (cls *compiledLabels) compile() *compiledLabels {
return cls
}
func (cls *compiledLabels) labelNames() []string {
return cls.names
}
func (cls *compiledLabels) constrain(labelName, value string) string {
if fn, ok := cls.labelConstraints[labelName]; ok && fn != nil {
return fn(value)
}
return value
}
// reservedLabelPrefix is a prefix which is not legal in user-supplied
// label names.
const reservedLabelPrefix = "__"
@@ -139,6 +165,8 @@ func validateValuesInLabels(labels Labels, expectedNumberOfValues int) error {
func validateLabelValues(vals []string, expectedNumberOfValues int) error {
if len(vals) != expectedNumberOfValues {
// The call below makes vals escape, copy them to avoid that.
vals := append([]string(nil), vals...)
return fmt.Errorf(
"%w: expected %d label values but got %d in %#v",
errInconsistentCardinality, expectedNumberOfValues,

3
vendor/github.com/prometheus/client_golang/prometheus/metric.go generated vendored
View File

@@ -92,6 +92,9 @@ type Opts struct {
// machine_role metric). See also
// https://prometheus.io/docs/instrumenting/writing_exporters/#target-labels-not-static-scraped-labels
ConstLabels Labels
// now is for testing purposes, by default it's time.Now.
now func() time.Time
}
// BuildFQName joins the given three name components by "_". Empty name

4
vendor/github.com/prometheus/client_golang/prometheus/process_collector_other.go generated vendored
View File

@@ -11,8 +11,8 @@
// See the License for the specific language governing permissions and
// limitations under the License.
//go:build !windows && !js
// +build !windows,!js
//go:build !windows && !js && !wasip1
// +build !windows,!js,!wasip1
package prometheus

26
vendor/github.com/prometheus/client_golang/prometheus/process_collector_wasip1.go generated vendored Normal file
View File

@@ -0,0 +1,26 @@
// Copyright 2023 The Prometheus Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//go:build wasip1
// +build wasip1
package prometheus
func canCollectProcess() bool {
return false
}
func (*processCollector) processCollect(chan<- Metric) {
// noop on this platform
return
}

11
vendor/github.com/prometheus/client_golang/prometheus/promhttp/instrument_server.go generated vendored
View File

@@ -389,16 +389,13 @@ func isLabelCurried(c prometheus.Collector, label string) bool {
return true
}
// emptyLabels is a one-time allocation for non-partitioned metrics to avoid
// unnecessary allocations on each request.
var emptyLabels = prometheus.Labels{}
func labels(code, method bool, reqMethod string, status int, extraMethods ...string) prometheus.Labels {
if !(code || method) {
return emptyLabels
}
labels := prometheus.Labels{}
if !(code || method) {
return labels
}
if code {
labels["code"] = sanitizeCode(status)
}

6
vendor/github.com/prometheus/client_golang/prometheus/registry.go generated vendored
View File

@@ -548,7 +548,7 @@ func (r *Registry) Gather() ([]*dto.MetricFamily, error) {
goroutineBudget--
runtime.Gosched()
}
// Once both checkedMetricChan and uncheckdMetricChan are closed
// Once both checkedMetricChan and uncheckedMetricChan are closed
// and drained, the contraption above will nil out cmc and umc,
// and then we can leave the collect loop here.
if cmc == nil && umc == nil {
@@ -963,9 +963,9 @@ func checkDescConsistency(
// Is the desc consistent with the content of the metric?
lpsFromDesc := make([]*dto.LabelPair, len(desc.constLabelPairs), len(dtoMetric.Label))
copy(lpsFromDesc, desc.constLabelPairs)
for _, l := range desc.variableLabels {
for _, l := range desc.variableLabels.names {
lpsFromDesc = append(lpsFromDesc, &dto.LabelPair{
Name: proto.String(l.Name),
Name: proto.String(l),
})
}
if len(lpsFromDesc) != len(dtoMetric.Label) {

41
vendor/github.com/prometheus/client_golang/prometheus/summary.go generated vendored
View File

@@ -26,6 +26,7 @@ import (
"github.com/beorn7/perks/quantile"
"google.golang.org/protobuf/proto"
"google.golang.org/protobuf/types/known/timestamppb"
)
// quantileLabel is used for the label that defines the quantile in a
@@ -145,6 +146,9 @@ type SummaryOpts struct {
// is the internal buffer size of the underlying package
// "github.com/bmizerany/perks/quantile").
BufCap uint32
// now is for testing purposes, by default it's time.Now.
now func() time.Time
}
// SummaryVecOpts bundles the options to create a SummaryVec metric.
@@ -154,7 +158,7 @@ type SummaryVecOpts struct {
SummaryOpts
// VariableLabels are used to partition the metric vector by the given set
// of labels. Each label value will be constrained with the optional Contraint
// of labels. Each label value will be constrained with the optional Constraint
// function, if provided.
VariableLabels ConstrainableLabels
}
@@ -188,12 +192,12 @@ func NewSummary(opts SummaryOpts) Summary {
}
func newSummary(desc *Desc, opts SummaryOpts, labelValues ...string) Summary {
if len(desc.variableLabels) != len(labelValues) {
panic(makeInconsistentCardinalityError(desc.fqName, desc.variableLabels.labelNames(), labelValues))
if len(desc.variableLabels.names) != len(labelValues) {
panic(makeInconsistentCardinalityError(desc.fqName, desc.variableLabels.names, labelValues))
}
for _, n := range desc.variableLabels {
if n.Name == quantileLabel {
for _, n := range desc.variableLabels.names {
if n == quantileLabel {
panic(errQuantileLabelNotAllowed)
}
}
@@ -222,6 +226,9 @@ func newSummary(desc *Desc, opts SummaryOpts, labelValues ...string) Summary {
opts.BufCap = DefBufCap
}
if opts.now == nil {
opts.now = time.Now
}
if len(opts.Objectives) == 0 {
// Use the lock-free implementation of a Summary without objectives.
s := &noObjectivesSummary{
@@ -230,6 +237,7 @@ func newSummary(desc *Desc, opts SummaryOpts, labelValues ...string) Summary {
counts: [2]*summaryCounts{{}, {}},
}
s.init(s) // Init self-collection.
s.createdTs = timestamppb.New(opts.now())
return s
}
@@ -245,7 +253,7 @@ func newSummary(desc *Desc, opts SummaryOpts, labelValues ...string) Summary {
coldBuf: make([]float64, 0, opts.BufCap),
streamDuration: opts.MaxAge / time.Duration(opts.AgeBuckets),
}
s.headStreamExpTime = time.Now().Add(s.streamDuration)
s.headStreamExpTime = opts.now().Add(s.streamDuration)
s.hotBufExpTime = s.headStreamExpTime
for i := uint32(0); i < opts.AgeBuckets; i++ {
@@ -259,6 +267,7 @@ func newSummary(desc *Desc, opts SummaryOpts, labelValues ...string) Summary {
sort.Float64s(s.sortedObjectives)
s.init(s) // Init self-collection.
s.createdTs = timestamppb.New(opts.now())
return s
}
@@ -286,6 +295,8 @@ type summary struct {
headStream *quantile.Stream
headStreamIdx int
headStreamExpTime, hotBufExpTime time.Time
createdTs *timestamppb.Timestamp
}
func (s *summary) Desc() *Desc {
@@ -307,7 +318,9 @@ func (s *summary) Observe(v float64) {
}
func (s *summary) Write(out *dto.Metric) error {
sum := &dto.Summary{}
sum := &dto.Summary{
CreatedTimestamp: s.createdTs,
}
qs := make([]*dto.Quantile, 0, len(s.objectives))
s.bufMtx.Lock()
@@ -440,6 +453,8 @@ type noObjectivesSummary struct {
counts [2]*summaryCounts
labelPairs []*dto.LabelPair
createdTs *timestamppb.Timestamp
}
func (s *noObjectivesSummary) Desc() *Desc {
@@ -490,8 +505,9 @@ func (s *noObjectivesSummary) Write(out *dto.Metric) error {
}
sum := &dto.Summary{
SampleCount: proto.Uint64(count),
SampleSum: proto.Float64(math.Float64frombits(atomic.LoadUint64(&coldCounts.sumBits))),
SampleCount: proto.Uint64(count),
SampleSum: proto.Float64(math.Float64frombits(atomic.LoadUint64(&coldCounts.sumBits))),
CreatedTimestamp: s.createdTs,
}
out.Summary = sum
@@ -681,6 +697,7 @@ type constSummary struct {
sum float64
quantiles map[float64]float64
labelPairs []*dto.LabelPair
createdTs *timestamppb.Timestamp
}
func (s *constSummary) Desc() *Desc {
@@ -688,7 +705,9 @@ func (s *constSummary) Desc() *Desc {
}
func (s *constSummary) Write(out *dto.Metric) error {
sum := &dto.Summary{}
sum := &dto.Summary{
CreatedTimestamp: s.createdTs,
}
qs := make([]*dto.Quantile, 0, len(s.quantiles))
sum.SampleCount = proto.Uint64(s.count)
@@ -737,7 +756,7 @@ func NewConstSummary(
if desc.err != nil {
return nil, desc.err
}
if err := validateLabelValues(labelValues, len(desc.variableLabels)); err != nil {
if err := validateLabelValues(labelValues, len(desc.variableLabels.names)); err != nil {
return nil, err
}
return &constSummary{

55
vendor/github.com/prometheus/client_golang/prometheus/value.go generated vendored
View File

@@ -14,6 +14,7 @@
package prometheus
import (
"errors"
"fmt"
"sort"
"time"
@@ -91,7 +92,7 @@ func (v *valueFunc) Desc() *Desc {
}
func (v *valueFunc) Write(out *dto.Metric) error {
return populateMetric(v.valType, v.function(), v.labelPairs, nil, out)
return populateMetric(v.valType, v.function(), v.labelPairs, nil, out, nil)
}
// NewConstMetric returns a metric with one fixed value that cannot be
@@ -105,12 +106,12 @@ func NewConstMetric(desc *Desc, valueType ValueType, value float64, labelValues
if desc.err != nil {
return nil, desc.err
}
if err := validateLabelValues(labelValues, len(desc.variableLabels)); err != nil {
if err := validateLabelValues(labelValues, len(desc.variableLabels.names)); err != nil {
return nil, err
}
metric := &dto.Metric{}
if err := populateMetric(valueType, value, MakeLabelPairs(desc, labelValues), nil, metric); err != nil {
if err := populateMetric(valueType, value, MakeLabelPairs(desc, labelValues), nil, metric, nil); err != nil {
return nil, err
}
@@ -130,6 +131,43 @@ func MustNewConstMetric(desc *Desc, valueType ValueType, value float64, labelVal
return m
}
// NewConstMetricWithCreatedTimestamp does the same thing as NewConstMetric, but generates Counters
// with created timestamp set and returns an error for other metric types.
func NewConstMetricWithCreatedTimestamp(desc *Desc, valueType ValueType, value float64, ct time.Time, labelValues ...string) (Metric, error) {
if desc.err != nil {
return nil, desc.err
}
if err := validateLabelValues(labelValues, len(desc.variableLabels.names)); err != nil {
return nil, err
}
switch valueType {
case CounterValue:
break
default:
return nil, errors.New("created timestamps are only supported for counters")
}
metric := &dto.Metric{}
if err := populateMetric(valueType, value, MakeLabelPairs(desc, labelValues), nil, metric, timestamppb.New(ct)); err != nil {
return nil, err
}
return &constMetric{
desc: desc,
metric: metric,
}, nil
}
// MustNewConstMetricWithCreatedTimestamp is a version of NewConstMetricWithCreatedTimestamp that panics where
// NewConstMetricWithCreatedTimestamp would have returned an error.
func MustNewConstMetricWithCreatedTimestamp(desc *Desc, valueType ValueType, value float64, ct time.Time, labelValues ...string) Metric {
m, err := NewConstMetricWithCreatedTimestamp(desc, valueType, value, ct, labelValues...)
if err != nil {
panic(err)
}
return m
}
type constMetric struct {
desc *Desc
metric *dto.Metric
@@ -153,11 +191,12 @@ func populateMetric(
labelPairs []*dto.LabelPair,
e *dto.Exemplar,
m *dto.Metric,
ct *timestamppb.Timestamp,
) error {
m.Label = labelPairs
switch t {
case CounterValue:
m.Counter = &dto.Counter{Value: proto.Float64(v), Exemplar: e}
m.Counter = &dto.Counter{Value: proto.Float64(v), Exemplar: e, CreatedTimestamp: ct}
case GaugeValue:
m.Gauge = &dto.Gauge{Value: proto.Float64(v)}
case UntypedValue:
@@ -176,19 +215,19 @@ func populateMetric(
// This function is only needed for custom Metric implementations. See MetricVec
// example.
func MakeLabelPairs(desc *Desc, labelValues []string) []*dto.LabelPair {
totalLen := len(desc.variableLabels) + len(desc.constLabelPairs)
totalLen := len(desc.variableLabels.names) + len(desc.constLabelPairs)
if totalLen == 0 {
// Super fast path.
return nil
}
if len(desc.variableLabels) == 0 {
if len(desc.variableLabels.names) == 0 {
// Moderately fast path.
return desc.constLabelPairs
}
labelPairs := make([]*dto.LabelPair, 0, totalLen)
for i, l := range desc.variableLabels {
for i, l := range desc.variableLabels.names {
labelPairs = append(labelPairs, &dto.LabelPair{
Name: proto.String(l.Name),
Name: proto.String(l),
Value: proto.String(labelValues[i]),
})
}

106
vendor/github.com/prometheus/client_golang/prometheus/vec.go generated vendored
View File

@@ -20,24 +20,6 @@ import (
"github.com/prometheus/common/model"
)
var labelsPool = &sync.Pool{
New: func() interface{} {
return make(Labels)
},
}
func getLabelsFromPool() Labels {
return labelsPool.Get().(Labels)
}
func putLabelsToPool(labels Labels) {
for k := range labels {
delete(labels, k)
}
labelsPool.Put(labels)
}
// MetricVec is a Collector to bundle metrics of the same name that differ in
// their label values. MetricVec is not used directly but as a building block
// for implementations of vectors of a given metric type, like GaugeVec,
@@ -91,6 +73,7 @@ func NewMetricVec(desc *Desc, newMetric func(lvs ...string) Metric) *MetricVec {
// See also the CounterVec example.
func (m *MetricVec) DeleteLabelValues(lvs ...string) bool {
lvs = constrainLabelValues(m.desc, lvs, m.curry)
h, err := m.hashLabelValues(lvs)
if err != nil {
return false
@@ -110,8 +93,8 @@ func (m *MetricVec) DeleteLabelValues(lvs ...string) bool {
// This method is used for the same purpose as DeleteLabelValues(...string). See
// there for pros and cons of the two methods.
func (m *MetricVec) Delete(labels Labels) bool {
labels = constrainLabels(m.desc, labels)
defer putLabelsToPool(labels)
labels, closer := constrainLabels(m.desc, labels)
defer closer()
h, err := m.hashLabels(labels)
if err != nil {
@@ -128,8 +111,8 @@ func (m *MetricVec) Delete(labels Labels) bool {
// Note that curried labels will never be matched if deleting from the curried vector.
// To match curried labels with DeletePartialMatch, it must be called on the base vector.
func (m *MetricVec) DeletePartialMatch(labels Labels) int {
labels = constrainLabels(m.desc, labels)
defer putLabelsToPool(labels)
labels, closer := constrainLabels(m.desc, labels)
defer closer()
return m.metricMap.deleteByLabels(labels, m.curry)
}
@@ -169,11 +152,11 @@ func (m *MetricVec) CurryWith(labels Labels) (*MetricVec, error) {
oldCurry = m.curry
iCurry int
)
for i, label := range m.desc.variableLabels {
val, ok := labels[label.Name]
for i, labelName := range m.desc.variableLabels.names {
val, ok := labels[labelName]
if iCurry < len(oldCurry) && oldCurry[iCurry].index == i {
if ok {
return nil, fmt.Errorf("label name %q is already curried", label.Name)
return nil, fmt.Errorf("label name %q is already curried", labelName)
}
newCurry = append(newCurry, oldCurry[iCurry])
iCurry++
@@ -181,7 +164,10 @@ func (m *MetricVec) CurryWith(labels Labels) (*MetricVec, error) {
if !ok {
continue // Label stays uncurried.
}
newCurry = append(newCurry, curriedLabelValue{i, label.Constrain(val)})
newCurry = append(newCurry, curriedLabelValue{
i,
m.desc.variableLabels.constrain(labelName, val),
})
}
}
if l := len(oldCurry) + len(labels) - len(newCurry); l > 0 {
@@ -250,8 +236,8 @@ func (m *MetricVec) GetMetricWithLabelValues(lvs ...string) (Metric, error) {
// around MetricVec, implementing a vector for a specific Metric implementation,
// for example GaugeVec.
func (m *MetricVec) GetMetricWith(labels Labels) (Metric, error) {
labels = constrainLabels(m.desc, labels)
defer putLabelsToPool(labels)
labels, closer := constrainLabels(m.desc, labels)
defer closer()
h, err := m.hashLabels(labels)
if err != nil {
@@ -262,7 +248,7 @@ func (m *MetricVec) GetMetricWith(labels Labels) (Metric, error) {
}
func (m *MetricVec) hashLabelValues(vals []string) (uint64, error) {
if err := validateLabelValues(vals, len(m.desc.variableLabels)-len(m.curry)); err != nil {
if err := validateLabelValues(vals, len(m.desc.variableLabels.names)-len(m.curry)); err != nil {
return 0, err
}
@@ -271,7 +257,7 @@ func (m *MetricVec) hashLabelValues(vals []string) (uint64, error) {
curry = m.curry
iVals, iCurry int
)
for i := 0; i < len(m.desc.variableLabels); i++ {
for i := 0; i < len(m.desc.variableLabels.names); i++ {
if iCurry < len(curry) && curry[iCurry].index == i {
h = m.hashAdd(h, curry[iCurry].value)
iCurry++
@@ -285,7 +271,7 @@ func (m *MetricVec) hashLabelValues(vals []string) (uint64, error) {
}
func (m *MetricVec) hashLabels(labels Labels) (uint64, error) {
if err := validateValuesInLabels(labels, len(m.desc.variableLabels)-len(m.curry)); err != nil {
if err := validateValuesInLabels(labels, len(m.desc.variableLabels.names)-len(m.curry)); err != nil {
return 0, err
}
@@ -294,17 +280,17 @@ func (m *MetricVec) hashLabels(labels Labels) (uint64, error) {
curry = m.curry
iCurry int
)
for i, label := range m.desc.variableLabels {
val, ok := labels[label.Name]
for i, labelName := range m.desc.variableLabels.names {
val, ok := labels[labelName]
if iCurry < len(curry) && curry[iCurry].index == i {
if ok {
return 0, fmt.Errorf("label name %q is already curried", label.Name)
return 0, fmt.Errorf("label name %q is already curried", labelName)
}
h = m.hashAdd(h, curry[iCurry].value)
iCurry++
} else {
if !ok {
return 0, fmt.Errorf("label name %q missing in label map", label.Name)
return 0, fmt.Errorf("label name %q missing in label map", labelName)
}
h = m.hashAdd(h, val)
}
@@ -482,7 +468,7 @@ func valueMatchesVariableOrCurriedValue(targetValue string, index int, values []
func matchPartialLabels(desc *Desc, values []string, labels Labels, curry []curriedLabelValue) bool {
for l, v := range labels {
// Check if the target label exists in our metrics and get the index.
varLabelIndex, validLabel := indexOf(l, desc.variableLabels.labelNames())
varLabelIndex, validLabel := indexOf(l, desc.variableLabels.names)
if validLabel {
// Check the value of that label against the target value.
// We don't consider curried values in partial matches.
@@ -626,7 +612,7 @@ func matchLabels(desc *Desc, values []string, labels Labels, curry []curriedLabe
return false
}
iCurry := 0
for i, k := range desc.variableLabels {
for i, k := range desc.variableLabels.names {
if iCurry < len(curry) && curry[iCurry].index == i {
if values[i] != curry[iCurry].value {
return false
@@ -634,7 +620,7 @@ func matchLabels(desc *Desc, values []string, labels Labels, curry []curriedLabe
iCurry++
continue
}
if values[i] != labels[k.Name] {
if values[i] != labels[k] {
return false
}
}
@@ -644,13 +630,13 @@ func matchLabels(desc *Desc, values []string, labels Labels, curry []curriedLabe
func extractLabelValues(desc *Desc, labels Labels, curry []curriedLabelValue) []string {
labelValues := make([]string, len(labels)+len(curry))
iCurry := 0
for i, k := range desc.variableLabels {
for i, k := range desc.variableLabels.names {
if iCurry < len(curry) && curry[iCurry].index == i {
labelValues[i] = curry[iCurry].value
iCurry++
continue
}
labelValues[i] = labels[k.Name]
labelValues[i] = labels[k]
}
return labelValues
}
@@ -670,20 +656,37 @@ func inlineLabelValues(lvs []string, curry []curriedLabelValue) []string {
return labelValues
}
func constrainLabels(desc *Desc, labels Labels) Labels {
constrainedLabels := getLabelsFromPool()
for l, v := range labels {
if i, ok := indexOf(l, desc.variableLabels.labelNames()); ok {
v = desc.variableLabels[i].Constrain(v)
}
var labelsPool = &sync.Pool{
New: func() interface{} {
return make(Labels)
},
}
constrainedLabels[l] = v
func constrainLabels(desc *Desc, labels Labels) (Labels, func()) {
if len(desc.variableLabels.labelConstraints) == 0 {
// Fast path when there's no constraints
return labels, func() {}
}
return constrainedLabels
constrainedLabels := labelsPool.Get().(Labels)
for l, v := range labels {
constrainedLabels[l] = desc.variableLabels.constrain(l, v)
}
return constrainedLabels, func() {
for k := range constrainedLabels {
delete(constrainedLabels, k)
}
labelsPool.Put(constrainedLabels)
}
}
func constrainLabelValues(desc *Desc, lvs []string, curry []curriedLabelValue) []string {
if len(desc.variableLabels.labelConstraints) == 0 {
// Fast path when there's no constraints
return lvs
}
constrainedValues := make([]string, len(lvs))
var iCurry, iLVs int
for i := 0; i < len(lvs)+len(curry); i++ {
@@ -692,8 +695,11 @@ func constrainLabelValues(desc *Desc, lvs []string, curry []curriedLabelValue) [
continue
}
if i < len(desc.variableLabels) {
constrainedValues[iLVs] = desc.variableLabels[i].Constrain(lvs[iLVs])
if i < len(desc.variableLabels.names) {
constrainedValues[iLVs] = desc.variableLabels.constrain(
desc.variableLabels.names[i],
lvs[iLVs],
)
} else {
constrainedValues[iLVs] = lvs[iLVs]
}

377
vendor/github.com/prometheus/client_model/go/metrics.pb.go generated vendored
View File

@@ -215,8 +215,9 @@ type Counter struct {
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
Value *float64 `protobuf:"fixed64,1,opt,name=value" json:"value,omitempty"`
Exemplar *Exemplar `protobuf:"bytes,2,opt,name=exemplar" json:"exemplar,omitempty"`
Value *float64 `protobuf:"fixed64,1,opt,name=value" json:"value,omitempty"`
Exemplar *Exemplar `protobuf:"bytes,2,opt,name=exemplar" json:"exemplar,omitempty"`
CreatedTimestamp *timestamppb.Timestamp `protobuf:"bytes,3,opt,name=created_timestamp,json=createdTimestamp" json:"created_timestamp,omitempty"`
}
func (x *Counter) Reset() {
@@ -265,6 +266,13 @@ func (x *Counter) GetExemplar() *Exemplar {
return nil
}
func (x *Counter) GetCreatedTimestamp() *timestamppb.Timestamp {
if x != nil {
return x.CreatedTimestamp
}
return nil
}
type Quantile struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
@@ -325,9 +333,10 @@ type Summary struct {
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
SampleCount *uint64 `protobuf:"varint,1,opt,name=sample_count,json=sampleCount" json:"sample_count,omitempty"`
SampleSum *float64 `protobuf:"fixed64,2,opt,name=sample_sum,json=sampleSum" json:"sample_sum,omitempty"`
Quantile []*Quantile `protobuf:"bytes,3,rep,name=quantile" json:"quantile,omitempty"`
SampleCount *uint64 `protobuf:"varint,1,opt,name=sample_count,json=sampleCount" json:"sample_count,omitempty"`
SampleSum *float64 `protobuf:"fixed64,2,opt,name=sample_sum,json=sampleSum" json:"sample_sum,omitempty"`
Quantile []*Quantile `protobuf:"bytes,3,rep,name=quantile" json:"quantile,omitempty"`
CreatedTimestamp *timestamppb.Timestamp `protobuf:"bytes,4,opt,name=created_timestamp,json=createdTimestamp" json:"created_timestamp,omitempty"`
}
func (x *Summary) Reset() {
@@ -383,6 +392,13 @@ func (x *Summary) GetQuantile() []*Quantile {
return nil
}
func (x *Summary) GetCreatedTimestamp() *timestamppb.Timestamp {
if x != nil {
return x.CreatedTimestamp
}
return nil
}
type Untyped struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
@@ -439,7 +455,8 @@ type Histogram struct {
SampleCountFloat *float64 `protobuf:"fixed64,4,opt,name=sample_count_float,json=sampleCountFloat" json:"sample_count_float,omitempty"` // Overrides sample_count if > 0.
SampleSum *float64 `protobuf:"fixed64,2,opt,name=sample_sum,json=sampleSum" json:"sample_sum,omitempty"`
// Buckets for the conventional histogram.
Bucket []*Bucket `protobuf:"bytes,3,rep,name=bucket" json:"bucket,omitempty"` // Ordered in increasing order of upper_bound, +Inf bucket is optional.
Bucket []*Bucket `protobuf:"bytes,3,rep,name=bucket" json:"bucket,omitempty"` // Ordered in increasing order of upper_bound, +Inf bucket is optional.
CreatedTimestamp *timestamppb.Timestamp `protobuf:"bytes,15,opt,name=created_timestamp,json=createdTimestamp" json:"created_timestamp,omitempty"`
// schema defines the bucket schema. Currently, valid numbers are -4 <= n <= 8.
// They are all for base-2 bucket schemas, where 1 is a bucket boundary in each case, and
// then each power of two is divided into 2^n logarithmic buckets.
@@ -457,12 +474,17 @@ type Histogram struct {
NegativeDelta []int64 `protobuf:"zigzag64,10,rep,name=negative_delta,json=negativeDelta" json:"negative_delta,omitempty"` // Count delta of each bucket compared to previous one (or to zero for 1st bucket).
NegativeCount []float64 `protobuf:"fixed64,11,rep,name=negative_count,json=negativeCount" json:"negative_count,omitempty"` // Absolute count of each bucket.
// Positive buckets for the native histogram.
// Use a no-op span (offset 0, length 0) for a native histogram without any
// observations yet and with a zero_threshold of 0. Otherwise, it would be
// indistinguishable from a classic histogram.
PositiveSpan []*BucketSpan `protobuf:"bytes,12,rep,name=positive_span,json=positiveSpan" json:"positive_span,omitempty"`
// Use either "positive_delta" or "positive_count", the former for
// regular histograms with integer counts, the latter for float
// histograms.
PositiveDelta []int64 `protobuf:"zigzag64,13,rep,name=positive_delta,json=positiveDelta" json:"positive_delta,omitempty"` // Count delta of each bucket compared to previous one (or to zero for 1st bucket).
PositiveCount []float64 `protobuf:"fixed64,14,rep,name=positive_count,json=positiveCount" json:"positive_count,omitempty"` // Absolute count of each bucket.
// Only used for native histograms. These exemplars MUST have a timestamp.
Exemplars []*Exemplar `protobuf:"bytes,16,rep,name=exemplars" json:"exemplars,omitempty"`
}
func (x *Histogram) Reset() {
@@ -525,6 +547,13 @@ func (x *Histogram) GetBucket() []*Bucket {
return nil
}
func (x *Histogram) GetCreatedTimestamp() *timestamppb.Timestamp {
if x != nil {
return x.CreatedTimestamp
}
return nil
}
func (x *Histogram) GetSchema() int32 {
if x != nil && x.Schema != nil {
return *x.Schema
@@ -595,6 +624,13 @@ func (x *Histogram) GetPositiveCount() []float64 {
return nil
}
func (x *Histogram) GetExemplars() []*Exemplar {
if x != nil {
return x.Exemplars
}
return nil
}
// A Bucket of a conventional histogram, each of which is treated as
// an individual counter-like time series by Prometheus.
type Bucket struct {
@@ -896,6 +932,7 @@ type MetricFamily struct {
Help *string `protobuf:"bytes,2,opt,name=help" json:"help,omitempty"`
Type *MetricType `protobuf:"varint,3,opt,name=type,enum=io.prometheus.client.MetricType" json:"type,omitempty"`
Metric []*Metric `protobuf:"bytes,4,rep,name=metric" json:"metric,omitempty"`
Unit *string `protobuf:"bytes,5,opt,name=unit" json:"unit,omitempty"`
}
func (x *MetricFamily) Reset() {
@@ -958,6 +995,13 @@ func (x *MetricFamily) GetMetric() []*Metric {
return nil
}
func (x *MetricFamily) GetUnit() string {
if x != nil && x.Unit != nil {
return *x.Unit
}
return ""
}
var File_io_prometheus_client_metrics_proto protoreflect.FileDescriptor
var file_io_prometheus_client_metrics_proto_rawDesc = []byte{
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}
var (
@@ -1137,26 +1200,30 @@ var file_io_prometheus_client_metrics_proto_goTypes = []interface{}{
}
var file_io_prometheus_client_metrics_proto_depIdxs = []int32{
10, // 0: io.prometheus.client.Counter.exemplar:type_name -> io.prometheus.client.Exemplar
4, // 1: io.prometheus.client.Summary.quantile:type_name -> io.prometheus.client.Quantile
8, // 2: io.prometheus.client.Histogram.bucket:type_name -> io.prometheus.client.Bucket
9, // 3: io.prometheus.client.Histogram.negative_span:type_name -> io.prometheus.client.BucketSpan
9, // 4: io.prometheus.client.Histogram.positive_span:type_name -> io.prometheus.client.BucketSpan
10, // 5: io.prometheus.client.Bucket.exemplar:type_name -> io.prometheus.client.Exemplar
1, // 6: io.prometheus.client.Exemplar.label:type_name -> io.prometheus.client.LabelPair
13, // 7: io.prometheus.client.Exemplar.timestamp:type_name -> google.protobuf.Timestamp
1, // 8: io.prometheus.client.Metric.label:type_name -> io.prometheus.client.LabelPair
2, // 9: io.prometheus.client.Metric.gauge:type_name -> io.prometheus.client.Gauge
3, // 10: io.prometheus.client.Metric.counter:type_name -> io.prometheus.client.Counter
5, // 11: io.prometheus.client.Metric.summary:type_name -> io.prometheus.client.Summary
6, // 12: io.prometheus.client.Metric.untyped:type_name -> io.prometheus.client.Untyped
7, // 13: io.prometheus.client.Metric.histogram:type_name -> io.prometheus.client.Histogram
0, // 14: io.prometheus.client.MetricFamily.type:type_name -> io.prometheus.client.MetricType
11, // 15: io.prometheus.client.MetricFamily.metric:type_name -> io.prometheus.client.Metric
16, // [16:16] is the sub-list for method output_type
16, // [16:16] is the sub-list for method input_type
16, // [16:16] is the sub-list for extension type_name
16, // [16:16] is the sub-list for extension extendee
0, // [0:16] is the sub-list for field type_name
13, // 1: io.prometheus.client.Counter.created_timestamp:type_name -> google.protobuf.Timestamp
4, // 2: io.prometheus.client.Summary.quantile:type_name -> io.prometheus.client.Quantile
13, // 3: io.prometheus.client.Summary.created_timestamp:type_name -> google.protobuf.Timestamp
8, // 4: io.prometheus.client.Histogram.bucket:type_name -> io.prometheus.client.Bucket
13, // 5: io.prometheus.client.Histogram.created_timestamp:type_name -> google.protobuf.Timestamp
9, // 6: io.prometheus.client.Histogram.negative_span:type_name -> io.prometheus.client.BucketSpan
9, // 7: io.prometheus.client.Histogram.positive_span:type_name -> io.prometheus.client.BucketSpan
10, // 8: io.prometheus.client.Histogram.exemplars:type_name -> io.prometheus.client.Exemplar
10, // 9: io.prometheus.client.Bucket.exemplar:type_name -> io.prometheus.client.Exemplar
1, // 10: io.prometheus.client.Exemplar.label:type_name -> io.prometheus.client.LabelPair
13, // 11: io.prometheus.client.Exemplar.timestamp:type_name -> google.protobuf.Timestamp
1, // 12: io.prometheus.client.Metric.label:type_name -> io.prometheus.client.LabelPair
2, // 13: io.prometheus.client.Metric.gauge:type_name -> io.prometheus.client.Gauge
3, // 14: io.prometheus.client.Metric.counter:type_name -> io.prometheus.client.Counter
5, // 15: io.prometheus.client.Metric.summary:type_name -> io.prometheus.client.Summary
6, // 16: io.prometheus.client.Metric.untyped:type_name -> io.prometheus.client.Untyped
7, // 17: io.prometheus.client.Metric.histogram:type_name -> io.prometheus.client.Histogram
0, // 18: io.prometheus.client.MetricFamily.type:type_name -> io.prometheus.client.MetricType
11, // 19: io.prometheus.client.MetricFamily.metric:type_name -> io.prometheus.client.Metric
20, // [20:20] is the sub-list for method output_type
20, // [20:20] is the sub-list for method input_type
20, // [20:20] is the sub-list for extension type_name
20, // [20:20] is the sub-list for extension extendee
0, // [0:20] is the sub-list for field type_name
}
func init() { file_io_prometheus_client_metrics_proto_init() }

27
vendor/github.com/prometheus/common/expfmt/decode.go generated vendored
View File

@@ -14,6 +14,7 @@
package expfmt
import (
"bufio"
"fmt"
"io"
"math"
@@ -21,8 +22,8 @@ import (
"net/http"
dto "github.com/prometheus/client_model/go"
"google.golang.org/protobuf/encoding/protodelim"
"github.com/matttproud/golang_protobuf_extensions/pbutil"
"github.com/prometheus/common/model"
)
@@ -44,7 +45,7 @@ func ResponseFormat(h http.Header) Format {
mediatype, params, err := mime.ParseMediaType(ct)
if err != nil {
return FmtUnknown
return fmtUnknown
}
const textType = "text/plain"
@@ -52,28 +53,28 @@ func ResponseFormat(h http.Header) Format {
switch mediatype {
case ProtoType:
if p, ok := params["proto"]; ok && p != ProtoProtocol {
return FmtUnknown
return fmtUnknown
}
if e, ok := params["encoding"]; ok && e != "delimited" {
return FmtUnknown
return fmtUnknown
}
return FmtProtoDelim
return fmtProtoDelim
case textType:
if v, ok := params["version"]; ok && v != TextVersion {
return FmtUnknown
return fmtUnknown
}
return FmtText
return fmtText
}
return FmtUnknown
return fmtUnknown
}
// NewDecoder returns a new decoder based on the given input format.
// If the input format does not imply otherwise, a text format decoder is returned.
func NewDecoder(r io.Reader, format Format) Decoder {
switch format {
case FmtProtoDelim:
switch format.FormatType() {
case TypeProtoDelim:
return &protoDecoder{r: r}
}
return &textDecoder{r: r}
@@ -86,8 +87,10 @@ type protoDecoder struct {
// Decode implements the Decoder interface.
func (d *protoDecoder) Decode(v *dto.MetricFamily) error {
_, err := pbutil.ReadDelimited(d.r, v)
if err != nil {
opts := protodelim.UnmarshalOptions{
MaxSize: -1,
}
if err := opts.UnmarshalFrom(bufio.NewReader(d.r), v); err != nil {
return err
}
if !model.IsValidMetricName(model.LabelValue(v.GetName())) {

86
vendor/github.com/prometheus/common/expfmt/encode.go generated vendored
View File

@@ -18,10 +18,12 @@ import (
"io"
"net/http"
"github.com/matttproud/golang_protobuf_extensions/pbutil"
"github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg"
"google.golang.org/protobuf/encoding/protodelim"
"google.golang.org/protobuf/encoding/prototext"
"github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg"
"github.com/prometheus/common/model"
dto "github.com/prometheus/client_model/go"
)
@@ -60,23 +62,32 @@ func (ec encoderCloser) Close() error {
// as the support is still experimental. To include the option to negotiate
// FmtOpenMetrics, use NegotiateOpenMetrics.
func Negotiate(h http.Header) Format {
escapingScheme := Format(fmt.Sprintf("; escaping=%s", Format(model.NameEscapingScheme.String())))
for _, ac := range goautoneg.ParseAccept(h.Get(hdrAccept)) {
if escapeParam := ac.Params[model.EscapingKey]; escapeParam != "" {
switch Format(escapeParam) {
case model.AllowUTF8, model.EscapeUnderscores, model.EscapeDots, model.EscapeValues:
escapingScheme = Format(fmt.Sprintf("; escaping=%s", escapeParam))
default:
// If the escaping parameter is unknown, ignore it.
}
}
ver := ac.Params["version"]
if ac.Type+"/"+ac.SubType == ProtoType && ac.Params["proto"] == ProtoProtocol {
switch ac.Params["encoding"] {
case "delimited":
return FmtProtoDelim
return fmtProtoDelim + escapingScheme
case "text":
return FmtProtoText
return fmtProtoText + escapingScheme
case "compact-text":
return FmtProtoCompact
return fmtProtoCompact + escapingScheme
}
}
if ac.Type == "text" && ac.SubType == "plain" && (ver == TextVersion || ver == "") {
return FmtText
return fmtText + escapingScheme
}
}
return FmtText
return fmtText + escapingScheme
}
// NegotiateIncludingOpenMetrics works like Negotiate but includes
@@ -84,29 +95,40 @@ func Negotiate(h http.Header) Format {
// temporary and will disappear once FmtOpenMetrics is fully supported and as
// such may be negotiated by the normal Negotiate function.
func NegotiateIncludingOpenMetrics(h http.Header) Format {
escapingScheme := Format(fmt.Sprintf("; escaping=%s", Format(model.NameEscapingScheme.String())))
for _, ac := range goautoneg.ParseAccept(h.Get(hdrAccept)) {
if escapeParam := ac.Params[model.EscapingKey]; escapeParam != "" {
switch Format(escapeParam) {
case model.AllowUTF8, model.EscapeUnderscores, model.EscapeDots, model.EscapeValues:
escapingScheme = Format(fmt.Sprintf("; escaping=%s", escapeParam))
default:
// If the escaping parameter is unknown, ignore it.
}
}
ver := ac.Params["version"]
if ac.Type+"/"+ac.SubType == ProtoType && ac.Params["proto"] == ProtoProtocol {
switch ac.Params["encoding"] {
case "delimited":
return FmtProtoDelim
return fmtProtoDelim + escapingScheme
case "text":
return FmtProtoText
return fmtProtoText + escapingScheme
case "compact-text":
return FmtProtoCompact
return fmtProtoCompact + escapingScheme
}
}
if ac.Type == "text" && ac.SubType == "plain" && (ver == TextVersion || ver == "") {
return FmtText
return fmtText + escapingScheme
}
if ac.Type+"/"+ac.SubType == OpenMetricsType && (ver == OpenMetricsVersion_0_0_1 || ver == OpenMetricsVersion_1_0_0 || ver == "") {
if ver == OpenMetricsVersion_1_0_0 {
return FmtOpenMetrics_1_0_0
switch ver {
case OpenMetricsVersion_1_0_0:
return fmtOpenMetrics_1_0_0 + escapingScheme
default:
return fmtOpenMetrics_0_0_1 + escapingScheme
}
return FmtOpenMetrics_0_0_1
}
}
return FmtText
return fmtText + escapingScheme
}
// NewEncoder returns a new encoder based on content type negotiation. All
@@ -115,44 +137,54 @@ func NegotiateIncludingOpenMetrics(h http.Header) Format {
// for FmtOpenMetrics, but a future (breaking) release will add the Close method
// to the Encoder interface directly. The current version of the Encoder
// interface is kept for backwards compatibility.
func NewEncoder(w io.Writer, format Format) Encoder {
switch format {
case FmtProtoDelim:
// In cases where the Format does not allow for UTF-8 names, the global
// NameEscapingScheme will be applied.
//
// NewEncoder can be called with additional options to customize the OpenMetrics text output.
// For example:
// NewEncoder(w, FmtOpenMetrics_1_0_0, WithCreatedLines())
//
// Extra options are ignored for all other formats.
func NewEncoder(w io.Writer, format Format, options ...EncoderOption) Encoder {
escapingScheme := format.ToEscapingScheme()
switch format.FormatType() {
case TypeProtoDelim:
return encoderCloser{
encode: func(v *dto.MetricFamily) error {
_, err := pbutil.WriteDelimited(w, v)
_, err := protodelim.MarshalTo(w, v)
return err
},
close: func() error { return nil },
}
case FmtProtoCompact:
case TypeProtoCompact:
return encoderCloser{
encode: func(v *dto.MetricFamily) error {
_, err := fmt.Fprintln(w, v.String())
_, err := fmt.Fprintln(w, model.EscapeMetricFamily(v, escapingScheme).String())
return err
},
close: func() error { return nil },
}
case FmtProtoText:
case TypeProtoText:
return encoderCloser{
encode: func(v *dto.MetricFamily) error {
_, err := fmt.Fprintln(w, prototext.Format(v))
_, err := fmt.Fprintln(w, prototext.Format(model.EscapeMetricFamily(v, escapingScheme)))
return err
},
close: func() error { return nil },
}
case FmtText:
case TypeTextPlain:
return encoderCloser{
encode: func(v *dto.MetricFamily) error {
_, err := MetricFamilyToText(w, v)
_, err := MetricFamilyToText(w, model.EscapeMetricFamily(v, escapingScheme))
return err
},
close: func() error { return nil },
}
case FmtOpenMetrics_0_0_1, FmtOpenMetrics_1_0_0:
case TypeOpenMetrics:
return encoderCloser{
encode: func(v *dto.MetricFamily) error {
_, err := MetricFamilyToOpenMetrics(w, v)
_, err := MetricFamilyToOpenMetrics(w, model.EscapeMetricFamily(v, escapingScheme), options...)
return err
},
close: func() error {

154
vendor/github.com/prometheus/common/expfmt/expfmt.go generated vendored
View File

@@ -14,30 +14,164 @@
// Package expfmt contains tools for reading and writing Prometheus metrics.
package expfmt
import (
"fmt"
"strings"
"github.com/prometheus/common/model"
)
// Format specifies the HTTP content type of the different wire protocols.
type Format string
// Constants to assemble the Content-Type values for the different wire protocols.
// Constants to assemble the Content-Type values for the different wire
// protocols. The Content-Type strings here are all for the legacy exposition
// formats, where valid characters for metric names and label names are limited.
// Support for arbitrary UTF-8 characters in those names is already partially
// implemented in this module (see model.ValidationScheme), but to actually use
// it on the wire, new content-type strings will have to be agreed upon and
// added here.
const (
TextVersion = "0.0.4"
ProtoType = `application/vnd.google.protobuf`
ProtoProtocol = `io.prometheus.client.MetricFamily`
ProtoFmt = ProtoType + "; proto=" + ProtoProtocol + ";"
protoFmt = ProtoType + "; proto=" + ProtoProtocol + ";"
OpenMetricsType = `application/openmetrics-text`
OpenMetricsVersion_0_0_1 = "0.0.1"
OpenMetricsVersion_1_0_0 = "1.0.0"
// The Content-Type values for the different wire protocols.
FmtUnknown Format = `<unknown>`
FmtText Format = `text/plain; version=` + TextVersion + `; charset=utf-8`
FmtProtoDelim Format = ProtoFmt + ` encoding=delimited`
FmtProtoText Format = ProtoFmt + ` encoding=text`
FmtProtoCompact Format = ProtoFmt + ` encoding=compact-text`
FmtOpenMetrics_1_0_0 Format = OpenMetricsType + `; version=` + OpenMetricsVersion_1_0_0 + `; charset=utf-8`
FmtOpenMetrics_0_0_1 Format = OpenMetricsType + `; version=` + OpenMetricsVersion_0_0_1 + `; charset=utf-8`
// The Content-Type values for the different wire protocols. Note that these
// values are now unexported. If code was relying on comparisons to these
// constants, instead use FormatType().
fmtUnknown Format = `<unknown>`
fmtText Format = `text/plain; version=` + TextVersion + `; charset=utf-8`
fmtProtoDelim Format = protoFmt + ` encoding=delimited`
fmtProtoText Format = protoFmt + ` encoding=text`
fmtProtoCompact Format = protoFmt + ` encoding=compact-text`
fmtOpenMetrics_1_0_0 Format = OpenMetricsType + `; version=` + OpenMetricsVersion_1_0_0 + `; charset=utf-8`
fmtOpenMetrics_0_0_1 Format = OpenMetricsType + `; version=` + OpenMetricsVersion_0_0_1 + `; charset=utf-8`
)
const (
hdrContentType = "Content-Type"
hdrAccept = "Accept"
)
// FormatType is a Go enum representing the overall category for the given
// Format. As the number of Format permutations increases, doing basic string
// comparisons are not feasible, so this enum captures the most useful
// high-level attribute of the Format string.
type FormatType int
const (
TypeUnknown FormatType = iota
TypeProtoCompact
TypeProtoDelim
TypeProtoText
TypeTextPlain
TypeOpenMetrics
)
// NewFormat generates a new Format from the type provided. Mostly used for
// tests, most Formats should be generated as part of content negotiation in
// encode.go. If a type has more than one version, the latest version will be
// returned.
func NewFormat(t FormatType) Format {
switch t {
case TypeProtoCompact:
return fmtProtoCompact
case TypeProtoDelim:
return fmtProtoDelim
case TypeProtoText:
return fmtProtoText
case TypeTextPlain:
return fmtText
case TypeOpenMetrics:
return fmtOpenMetrics_1_0_0
default:
return fmtUnknown
}
}
// NewOpenMetricsFormat generates a new OpenMetrics format matching the
// specified version number.
func NewOpenMetricsFormat(version string) (Format, error) {
if version == OpenMetricsVersion_0_0_1 {
return fmtOpenMetrics_0_0_1, nil
}
if version == OpenMetricsVersion_1_0_0 {
return fmtOpenMetrics_1_0_0, nil
}
return fmtUnknown, fmt.Errorf("unknown open metrics version string")
}
// FormatType deduces an overall FormatType for the given format.
func (f Format) FormatType() FormatType {
toks := strings.Split(string(f), ";")
params := make(map[string]string)
for i, t := range toks {
if i == 0 {
continue
}
args := strings.Split(t, "=")
if len(args) != 2 {
continue
}
params[strings.TrimSpace(args[0])] = strings.TrimSpace(args[1])
}
switch strings.TrimSpace(toks[0]) {
case ProtoType:
if params["proto"] != ProtoProtocol {
return TypeUnknown
}
switch params["encoding"] {
case "delimited":
return TypeProtoDelim
case "text":
return TypeProtoText
case "compact-text":
return TypeProtoCompact
default:
return TypeUnknown
}
case OpenMetricsType:
if params["charset"] != "utf-8" {
return TypeUnknown
}
return TypeOpenMetrics
case "text/plain":
v, ok := params["version"]
if !ok {
return TypeTextPlain
}
if v == TextVersion {
return TypeTextPlain
}
return TypeUnknown
default:
return TypeUnknown
}
}
// ToEscapingScheme returns an EscapingScheme depending on the Format. Iff the
// Format contains a escaping=allow-utf-8 term, it will select NoEscaping. If a valid
// "escaping" term exists, that will be used. Otherwise, the global default will
// be returned.
func (format Format) ToEscapingScheme() model.EscapingScheme {
for _, p := range strings.Split(string(format), ";") {
toks := strings.Split(p, "=")
if len(toks) != 2 {
continue
}
key, value := strings.TrimSpace(toks[0]), strings.TrimSpace(toks[1])
if key == model.EscapingKey {
scheme, err := model.ToEscapingScheme(value)
if err != nil {
return model.NameEscapingScheme
}
return scheme
}
}
return model.NameEscapingScheme
}

283
vendor/github.com/prometheus/common/expfmt/openmetrics_create.go generated vendored
View File

@@ -22,11 +22,47 @@ import (
"strconv"
"strings"
"google.golang.org/protobuf/types/known/timestamppb"
"github.com/prometheus/common/model"
dto "github.com/prometheus/client_model/go"
)
type encoderOption struct {
withCreatedLines bool
withUnit bool
}
type EncoderOption func(*encoderOption)
// WithCreatedLines is an EncoderOption that configures the OpenMetrics encoder
// to include _created lines (See
// https://github.com/OpenObservability/OpenMetrics/blob/main/specification/OpenMetrics.md#counter-1).
// Created timestamps can improve the accuracy of series reset detection, but
// come with a bandwidth cost.
//
// At the time of writing, created timestamp ingestion is still experimental in
// Prometheus and need to be enabled with the feature-flag
// `--feature-flag=created-timestamp-zero-ingestion`, and breaking changes are
// still possible. Therefore, it is recommended to use this feature with caution.
func WithCreatedLines() EncoderOption {
return func(t *encoderOption) {
t.withCreatedLines = true
}
}
// WithUnit is an EncoderOption enabling a set unit to be written to the output
// and to be added to the metric name, if it's not there already, as a suffix.
// Without opting in this way, the unit will not be added to the metric name and,
// on top of that, the unit will not be passed onto the output, even if it
// were declared in the *dto.MetricFamily struct, i.e. even if in.Unit !=nil.
func WithUnit() EncoderOption {
return func(t *encoderOption) {
t.withUnit = true
}
}
// MetricFamilyToOpenMetrics converts a MetricFamily proto message into the
// OpenMetrics text format and writes the resulting lines to 'out'. It returns
// the number of bytes written and any error encountered. The output will have
@@ -35,6 +71,18 @@ import (
// sanity checks. If the input contains duplicate metrics or invalid metric or
// label names, the conversion will result in invalid text format output.
//
// If metric names conform to the legacy validation pattern, they will be placed
// outside the brackets in the traditional way, like `foo{}`. If the metric name
// fails the legacy validation check, it will be placed quoted inside the
// brackets: `{"foo"}`. As stated above, the input is assumed to be santized and
// no error will be thrown in this case.
//
// Similar to metric names, if label names conform to the legacy validation
// pattern, they will be unquoted as normal, like `foo{bar="baz"}`. If the label
// name fails the legacy validation check, it will be quoted:
// `foo{"bar"="baz"}`. As stated above, the input is assumed to be santized and
// no error will be thrown in this case.
//
// This function fulfills the type 'expfmt.encoder'.
//
// Note that OpenMetrics requires a final `# EOF` line. Since this function acts
@@ -47,20 +95,34 @@ import (
// Prometheus to OpenMetrics or vice versa:
//
// - Counters are expected to have the `_total` suffix in their metric name. In
// the output, the suffix will be truncated from the `# TYPE` and `# HELP`
// line. A counter with a missing `_total` suffix is not an error. However,
// the output, the suffix will be truncated from the `# TYPE`, `# HELP` and `# UNIT`
// lines. A counter with a missing `_total` suffix is not an error. However,
// its type will be set to `unknown` in that case to avoid invalid OpenMetrics
// output.
//
// - No support for the following (optional) features: `# UNIT` line, `_created`
// line, info type, stateset type, gaugehistogram type.
// - According to the OM specs, the `# UNIT` line is optional, but if populated,
// the unit has to be present in the metric name as its suffix:
// (see https://github.com/OpenObservability/OpenMetrics/blob/main/specification/OpenMetrics.md#unit).
// However, in order to accommodate any potential scenario where such a change in the
// metric name is not desirable, the users are here given the choice of either explicitly
// opt in, in case they wish for the unit to be included in the output AND in the metric name
// as a suffix (see the description of the WithUnit function above),
// or not to opt in, in case they don't want for any of that to happen.
//
// - No support for the following (optional) features: info type,
// stateset type, gaugehistogram type.
//
// - The size of exemplar labels is not checked (i.e. it's possible to create
// exemplars that are larger than allowed by the OpenMetrics specification).
//
// - The value of Counters is not checked. (OpenMetrics doesn't allow counters
// with a `NaN` value.)
func MetricFamilyToOpenMetrics(out io.Writer, in *dto.MetricFamily) (written int, err error) {
func MetricFamilyToOpenMetrics(out io.Writer, in *dto.MetricFamily, options ...EncoderOption) (written int, err error) {
toOM := encoderOption{}
for _, option := range options {
option(&toOM)
}
name := in.GetName()
if name == "" {
return 0, fmt.Errorf("MetricFamily has no name: %s", in)
@@ -83,12 +145,15 @@ func MetricFamilyToOpenMetrics(out io.Writer, in *dto.MetricFamily) (written int
}
var (
n int
metricType = in.GetType()
shortName = name
n int
metricType = in.GetType()
compliantName = name
)
if metricType == dto.MetricType_COUNTER && strings.HasSuffix(shortName, "_total") {
shortName = name[:len(name)-6]
if metricType == dto.MetricType_COUNTER && strings.HasSuffix(compliantName, "_total") {
compliantName = name[:len(name)-6]
}
if toOM.withUnit && in.Unit != nil && !strings.HasSuffix(compliantName, fmt.Sprintf("_%s", *in.Unit)) {
compliantName = compliantName + fmt.Sprintf("_%s", *in.Unit)
}
// Comments, first HELP, then TYPE.
@@ -98,7 +163,7 @@ func MetricFamilyToOpenMetrics(out io.Writer, in *dto.MetricFamily) (written int
if err != nil {
return
}
n, err = w.WriteString(shortName)
n, err = writeName(w, compliantName)
written += n
if err != nil {
return
@@ -124,7 +189,7 @@ func MetricFamilyToOpenMetrics(out io.Writer, in *dto.MetricFamily) (written int
if err != nil {
return
}
n, err = w.WriteString(shortName)
n, err = writeName(w, compliantName)
written += n
if err != nil {
return
@@ -151,55 +216,89 @@ func MetricFamilyToOpenMetrics(out io.Writer, in *dto.MetricFamily) (written int
if err != nil {
return
}
if toOM.withUnit && in.Unit != nil {
n, err = w.WriteString("# UNIT ")
written += n
if err != nil {
return
}
n, err = writeName(w, compliantName)
written += n
if err != nil {
return
}
err = w.WriteByte(' ')
written++
if err != nil {
return
}
n, err = writeEscapedString(w, *in.Unit, true)
written += n
if err != nil {
return
}
err = w.WriteByte('\n')
written++
if err != nil {
return
}
}
var createdTsBytesWritten int
// Finally the samples, one line for each.
if metricType == dto.MetricType_COUNTER && strings.HasSuffix(name, "_total") {
compliantName = compliantName + "_total"
}
for _, metric := range in.Metric {
switch metricType {
case dto.MetricType_COUNTER:
if metric.Counter == nil {
return written, fmt.Errorf(
"expected counter in metric %s %s", name, metric,
"expected counter in metric %s %s", compliantName, metric,
)
}
// Note that we have ensured above that either the name
// ends on `_total` or that the rendered type is
// `unknown`. Therefore, no `_total` must be added here.
n, err = writeOpenMetricsSample(
w, name, "", metric, "", 0,
w, compliantName, "", metric, "", 0,
metric.Counter.GetValue(), 0, false,
metric.Counter.Exemplar,
)
if toOM.withCreatedLines && metric.Counter.CreatedTimestamp != nil {
createdTsBytesWritten, err = writeOpenMetricsCreated(w, compliantName, "_total", metric, "", 0, metric.Counter.GetCreatedTimestamp())
n += createdTsBytesWritten
}
case dto.MetricType_GAUGE:
if metric.Gauge == nil {
return written, fmt.Errorf(
"expected gauge in metric %s %s", name, metric,
"expected gauge in metric %s %s", compliantName, metric,
)
}
n, err = writeOpenMetricsSample(
w, name, "", metric, "", 0,
w, compliantName, "", metric, "", 0,
metric.Gauge.GetValue(), 0, false,
nil,
)
case dto.MetricType_UNTYPED:
if metric.Untyped == nil {
return written, fmt.Errorf(
"expected untyped in metric %s %s", name, metric,
"expected untyped in metric %s %s", compliantName, metric,
)
}
n, err = writeOpenMetricsSample(
w, name, "", metric, "", 0,
w, compliantName, "", metric, "", 0,
metric.Untyped.GetValue(), 0, false,
nil,
)
case dto.MetricType_SUMMARY:
if metric.Summary == nil {
return written, fmt.Errorf(
"expected summary in metric %s %s", name, metric,
"expected summary in metric %s %s", compliantName, metric,
)
}
for _, q := range metric.Summary.Quantile {
n, err = writeOpenMetricsSample(
w, name, "", metric,
w, compliantName, "", metric,
model.QuantileLabel, q.GetQuantile(),
q.GetValue(), 0, false,
nil,
@@ -210,7 +309,7 @@ func MetricFamilyToOpenMetrics(out io.Writer, in *dto.MetricFamily) (written int
}
}
n, err = writeOpenMetricsSample(
w, name, "_sum", metric, "", 0,
w, compliantName, "_sum", metric, "", 0,
metric.Summary.GetSampleSum(), 0, false,
nil,
)
@@ -219,20 +318,24 @@ func MetricFamilyToOpenMetrics(out io.Writer, in *dto.MetricFamily) (written int
return
}
n, err = writeOpenMetricsSample(
w, name, "_count", metric, "", 0,
w, compliantName, "_count", metric, "", 0,
0, metric.Summary.GetSampleCount(), true,
nil,
)
if toOM.withCreatedLines && metric.Summary.CreatedTimestamp != nil {
createdTsBytesWritten, err = writeOpenMetricsCreated(w, compliantName, "", metric, "", 0, metric.Summary.GetCreatedTimestamp())
n += createdTsBytesWritten
}
case dto.MetricType_HISTOGRAM:
if metric.Histogram == nil {
return written, fmt.Errorf(
"expected histogram in metric %s %s", name, metric,
"expected histogram in metric %s %s", compliantName, metric,
)
}
infSeen := false
for _, b := range metric.Histogram.Bucket {
n, err = writeOpenMetricsSample(
w, name, "_bucket", metric,
w, compliantName, "_bucket", metric,
model.BucketLabel, b.GetUpperBound(),
0, b.GetCumulativeCount(), true,
b.Exemplar,
@@ -247,7 +350,7 @@ func MetricFamilyToOpenMetrics(out io.Writer, in *dto.MetricFamily) (written int
}
if !infSeen {
n, err = writeOpenMetricsSample(
w, name, "_bucket", metric,
w, compliantName, "_bucket", metric,
model.BucketLabel, math.Inf(+1),
0, metric.Histogram.GetSampleCount(), true,
nil,
@@ -258,7 +361,7 @@ func MetricFamilyToOpenMetrics(out io.Writer, in *dto.MetricFamily) (written int
}
}
n, err = writeOpenMetricsSample(
w, name, "_sum", metric, "", 0,
w, compliantName, "_sum", metric, "", 0,
metric.Histogram.GetSampleSum(), 0, false,
nil,
)
@@ -267,13 +370,17 @@ func MetricFamilyToOpenMetrics(out io.Writer, in *dto.MetricFamily) (written int
return
}
n, err = writeOpenMetricsSample(
w, name, "_count", metric, "", 0,
w, compliantName, "_count", metric, "", 0,
0, metric.Histogram.GetSampleCount(), true,
nil,
)
if toOM.withCreatedLines && metric.Histogram.CreatedTimestamp != nil {
createdTsBytesWritten, err = writeOpenMetricsCreated(w, compliantName, "", metric, "", 0, metric.Histogram.GetCreatedTimestamp())
n += createdTsBytesWritten
}
default:
return written, fmt.Errorf(
"unexpected type in metric %s %s", name, metric,
"unexpected type in metric %s %s", compliantName, metric,
)
}
written += n
@@ -303,21 +410,9 @@ func writeOpenMetricsSample(
floatValue float64, intValue uint64, useIntValue bool,
exemplar *dto.Exemplar,
) (int, error) {
var written int
n, err := w.WriteString(name)
written += n
if err != nil {
return written, err
}
if suffix != "" {
n, err = w.WriteString(suffix)
written += n
if err != nil {
return written, err
}
}
n, err = writeOpenMetricsLabelPairs(
w, metric.Label, additionalLabelName, additionalLabelValue,
written := 0
n, err := writeOpenMetricsNameAndLabelPairs(
w, name+suffix, metric.Label, additionalLabelName, additionalLabelValue,
)
written += n
if err != nil {
@@ -350,7 +445,7 @@ func writeOpenMetricsSample(
return written, err
}
}
if exemplar != nil {
if exemplar != nil && len(exemplar.Label) > 0 {
n, err = writeExemplar(w, exemplar)
written += n
if err != nil {
@@ -365,27 +460,58 @@ func writeOpenMetricsSample(
return written, nil
}
// writeOpenMetricsLabelPairs works like writeOpenMetrics but formats the float
// in OpenMetrics style.
func writeOpenMetricsLabelPairs(
// writeOpenMetricsNameAndLabelPairs works like writeOpenMetricsSample but
// formats the float in OpenMetrics style.
func writeOpenMetricsNameAndLabelPairs(
w enhancedWriter,
name string,
in []*dto.LabelPair,
additionalLabelName string, additionalLabelValue float64,
) (int, error) {
if len(in) == 0 && additionalLabelName == "" {
return 0, nil
}
var (
written int
separator byte = '{'
written int
separator byte = '{'
metricInsideBraces = false
)
if name != "" {
// If the name does not pass the legacy validity check, we must put the
// metric name inside the braces, quoted.
if !model.IsValidLegacyMetricName(model.LabelValue(name)) {
metricInsideBraces = true
err := w.WriteByte(separator)
written++
if err != nil {
return written, err
}
separator = ','
}
n, err := writeName(w, name)
written += n
if err != nil {
return written, err
}
}
if len(in) == 0 && additionalLabelName == "" {
if metricInsideBraces {
err := w.WriteByte('}')
written++
if err != nil {
return written, err
}
}
return written, nil
}
for _, lp := range in {
err := w.WriteByte(separator)
written++
if err != nil {
return written, err
}
n, err := w.WriteString(lp.GetName())
n, err := writeName(w, lp.GetName())
written += n
if err != nil {
return written, err
@@ -442,6 +568,49 @@ func writeOpenMetricsLabelPairs(
return written, nil
}
// writeOpenMetricsCreated writes the created timestamp for a single time series
// following OpenMetrics text format to w, given the metric name, the metric proto
// message itself, optionally a suffix to be removed, e.g. '_total' for counters,
// an additional label name with a float64 value (use empty string as label name if
// not required) and the timestamp that represents the created timestamp.
// The function returns the number of bytes written and any error encountered.
func writeOpenMetricsCreated(w enhancedWriter,
name, suffixToTrim string, metric *dto.Metric,
additionalLabelName string, additionalLabelValue float64,
createdTimestamp *timestamppb.Timestamp,
) (int, error) {
written := 0
n, err := writeOpenMetricsNameAndLabelPairs(
w, strings.TrimSuffix(name, suffixToTrim)+"_created", metric.Label, additionalLabelName, additionalLabelValue,
)
written += n
if err != nil {
return written, err
}
err = w.WriteByte(' ')
written++
if err != nil {
return written, err
}
// TODO(beorn7): Format this directly from components of ts to
// avoid overflow/underflow and precision issues of the float
// conversion.
n, err = writeOpenMetricsFloat(w, float64(createdTimestamp.AsTime().UnixNano())/1e9)
written += n
if err != nil {
return written, err
}
err = w.WriteByte('\n')
written++
if err != nil {
return written, err
}
return written, nil
}
// writeExemplar writes the provided exemplar in OpenMetrics format to w. The
// function returns the number of bytes written and any error encountered.
func writeExemplar(w enhancedWriter, e *dto.Exemplar) (int, error) {
@@ -451,7 +620,7 @@ func writeExemplar(w enhancedWriter, e *dto.Exemplar) (int, error) {
if err != nil {
return written, err
}
n, err = writeOpenMetricsLabelPairs(w, e.Label, "", 0)
n, err = writeOpenMetricsNameAndLabelPairs(w, "", e.Label, "", 0)
written += n
if err != nil {
return written, err

118
vendor/github.com/prometheus/common/expfmt/text_create.go generated vendored
View File

@@ -62,6 +62,18 @@ var (
// contains duplicate metrics or invalid metric or label names, the conversion
// will result in invalid text format output.
//
// If metric names conform to the legacy validation pattern, they will be placed
// outside the brackets in the traditional way, like `foo{}`. If the metric name
// fails the legacy validation check, it will be placed quoted inside the
// brackets: `{"foo"}`. As stated above, the input is assumed to be santized and
// no error will be thrown in this case.
//
// Similar to metric names, if label names conform to the legacy validation
// pattern, they will be unquoted as normal, like `foo{bar="baz"}`. If the label
// name fails the legacy validation check, it will be quoted:
// `foo{"bar"="baz"}`. As stated above, the input is assumed to be santized and
// no error will be thrown in this case.
//
// This method fulfills the type 'prometheus.encoder'.
func MetricFamilyToText(out io.Writer, in *dto.MetricFamily) (written int, err error) {
// Fail-fast checks.
@@ -98,7 +110,7 @@ func MetricFamilyToText(out io.Writer, in *dto.MetricFamily) (written int, err e
if err != nil {
return
}
n, err = w.WriteString(name)
n, err = writeName(w, name)
written += n
if err != nil {
return
@@ -124,7 +136,7 @@ func MetricFamilyToText(out io.Writer, in *dto.MetricFamily) (written int, err e
if err != nil {
return
}
n, err = w.WriteString(name)
n, err = writeName(w, name)
written += n
if err != nil {
return
@@ -280,21 +292,9 @@ func writeSample(
additionalLabelName string, additionalLabelValue float64,
value float64,
) (int, error) {
var written int
n, err := w.WriteString(name)
written += n
if err != nil {
return written, err
}
if suffix != "" {
n, err = w.WriteString(suffix)
written += n
if err != nil {
return written, err
}
}
n, err = writeLabelPairs(
w, metric.Label, additionalLabelName, additionalLabelValue,
written := 0
n, err := writeNameAndLabelPairs(
w, name+suffix, metric.Label, additionalLabelName, additionalLabelValue,
)
written += n
if err != nil {
@@ -330,32 +330,64 @@ func writeSample(
return written, nil
}
// writeLabelPairs converts a slice of LabelPair proto messages plus the
// explicitly given additional label pair into text formatted as required by the
// text format and writes it to 'w'. An empty slice in combination with an empty
// string 'additionalLabelName' results in nothing being written. Otherwise, the
// label pairs are written, escaped as required by the text format, and enclosed
// in '{...}'. The function returns the number of bytes written and any error
// encountered.
func writeLabelPairs(
// writeNameAndLabelPairs converts a slice of LabelPair proto messages plus the
// explicitly given metric name and additional label pair into text formatted as
// required by the text format and writes it to 'w'. An empty slice in
// combination with an empty string 'additionalLabelName' results in nothing
// being written. Otherwise, the label pairs are written, escaped as required by
// the text format, and enclosed in '{...}'. The function returns the number of
// bytes written and any error encountered. If the metric name is not
// legacy-valid, it will be put inside the brackets as well. Legacy-invalid
// label names will also be quoted.
func writeNameAndLabelPairs(
w enhancedWriter,
name string,
in []*dto.LabelPair,
additionalLabelName string, additionalLabelValue float64,
) (int, error) {
if len(in) == 0 && additionalLabelName == "" {
return 0, nil
}
var (
written int
separator byte = '{'
written int
separator byte = '{'
metricInsideBraces = false
)
if name != "" {
// If the name does not pass the legacy validity check, we must put the
// metric name inside the braces.
if !model.IsValidLegacyMetricName(model.LabelValue(name)) {
metricInsideBraces = true
err := w.WriteByte(separator)
written++
if err != nil {
return written, err
}
separator = ','
}
n, err := writeName(w, name)
written += n
if err != nil {
return written, err
}
}
if len(in) == 0 && additionalLabelName == "" {
if metricInsideBraces {
err := w.WriteByte('}')
written++
if err != nil {
return written, err
}
}
return written, nil
}
for _, lp := range in {
err := w.WriteByte(separator)
written++
if err != nil {
return written, err
}
n, err := w.WriteString(lp.GetName())
n, err := writeName(w, lp.GetName())
written += n
if err != nil {
return written, err
@@ -462,3 +494,27 @@ func writeInt(w enhancedWriter, i int64) (int, error) {
numBufPool.Put(bp)
return written, err
}
// writeName writes a string as-is if it complies with the legacy naming
// scheme, or escapes it in double quotes if not.
func writeName(w enhancedWriter, name string) (int, error) {
if model.IsValidLegacyMetricName(model.LabelValue(name)) {
return w.WriteString(name)
}
var written int
var err error
err = w.WriteByte('"')
written++
if err != nil {
return written, err
}
var n int
n, err = writeEscapedString(w, name, true)
written += n
if err != nil {
return written, err
}
err = w.WriteByte('"')
written++
return written, err
}

8
vendor/github.com/prometheus/common/expfmt/text_parse.go generated vendored
View File

@@ -16,6 +16,7 @@ package expfmt
import (
"bufio"
"bytes"
"errors"
"fmt"
"io"
"math"
@@ -24,8 +25,9 @@ import (
dto "github.com/prometheus/client_model/go"
"github.com/prometheus/common/model"
"google.golang.org/protobuf/proto"
"github.com/prometheus/common/model"
)
// A stateFn is a function that represents a state in a state machine. By
@@ -112,7 +114,7 @@ func (p *TextParser) TextToMetricFamilies(in io.Reader) (map[string]*dto.MetricF
// stream. Turn this error into something nicer and more
// meaningful. (io.EOF is often used as a signal for the legitimate end
// of an input stream.)
if p.err == io.EOF {
if p.err != nil && errors.Is(p.err, io.EOF) {
p.parseError("unexpected end of input stream")
}
return p.metricFamiliesByName, p.err
@@ -146,7 +148,7 @@ func (p *TextParser) startOfLine() stateFn {
// which is not an error but the signal that we are done.
// Any other error that happens to align with the start of
// a line is still an error.
if p.err == io.EOF {
if errors.Is(p.err, io.EOF) {
p.err = nil
}
return nil

4
vendor/github.com/prometheus/common/model/alert.go generated vendored
View File

@@ -90,13 +90,13 @@ func (a *Alert) Validate() error {
return fmt.Errorf("start time must be before end time")
}
if err := a.Labels.Validate(); err != nil {
return fmt.Errorf("invalid label set: %s", err)
return fmt.Errorf("invalid label set: %w", err)
}
if len(a.Labels) == 0 {
return fmt.Errorf("at least one label pair required")
}
if err := a.Annotations.Validate(); err != nil {
return fmt.Errorf("invalid annotations: %s", err)
return fmt.Errorf("invalid annotations: %w", err)
}
return nil
}

22
vendor/github.com/prometheus/common/model/labels.go generated vendored
View File

@@ -97,17 +97,25 @@ var LabelNameRE = regexp.MustCompile("^[a-zA-Z_][a-zA-Z0-9_]*$")
// therewith.
type LabelName string
// IsValid is true iff the label name matches the pattern of LabelNameRE. This
// method, however, does not use LabelNameRE for the check but a much faster
// hardcoded implementation.
// IsValid returns true iff name matches the pattern of LabelNameRE for legacy
// names, and iff it's valid UTF-8 if NameValidationScheme is set to
// UTF8Validation. For the legacy matching, it does not use LabelNameRE for the
// check but a much faster hardcoded implementation.
func (ln LabelName) IsValid() bool {
if len(ln) == 0 {
return false
}
for i, b := range ln {
if !((b >= 'a' && b <= 'z') || (b >= 'A' && b <= 'Z') || b == '_' || (b >= '0' && b <= '9' && i > 0)) {
return false
switch NameValidationScheme {
case LegacyValidation:
for i, b := range ln {
if !((b >= 'a' && b <= 'z') || (b >= 'A' && b <= 'Z') || b == '_' || (b >= '0' && b <= '9' && i > 0)) {
return false
}
}
case UTF8Validation:
return utf8.ValidString(string(ln))
default:
panic(fmt.Sprintf("Invalid name validation scheme requested: %d", NameValidationScheme))
}
return true
}
@@ -164,7 +172,7 @@ func (l LabelNames) String() string {
// A LabelValue is an associated value for a LabelName.
type LabelValue string
// IsValid returns true iff the string is a valid UTF8.
// IsValid returns true iff the string is a valid UTF-8.
func (lv LabelValue) IsValid() bool {
return utf8.ValidString(string(lv))
}

29
vendor/github.com/prometheus/common/model/labelset.go generated vendored
View File

@@ -14,10 +14,12 @@
package model
import (
"bytes"
"encoding/json"
"fmt"
"slices"
"sort"
"strings"
"strconv"
)
// A LabelSet is a collection of LabelName and LabelValue pairs. The LabelSet
@@ -129,14 +131,27 @@ func (l LabelSet) Merge(other LabelSet) LabelSet {
return result
}
// String will look like `{foo="bar", more="less"}`. Names are sorted alphabetically.
func (l LabelSet) String() string {
lstrs := make([]string, 0, len(l))
for l, v := range l {
lstrs = append(lstrs, fmt.Sprintf("%s=%q", l, v))
var lna [32]LabelName // On stack to avoid memory allocation for sorting names.
labelNames := lna[:0]
for name := range l {
labelNames = append(labelNames, name)
}
sort.Strings(lstrs)
return fmt.Sprintf("{%s}", strings.Join(lstrs, ", "))
slices.Sort(labelNames)
var bytea [1024]byte // On stack to avoid memory allocation while building the output.
b := bytes.NewBuffer(bytea[:0])
b.WriteByte('{')
for i, name := range labelNames {
if i > 0 {
b.WriteString(", ")
}
b.WriteString(string(name))
b.WriteByte('=')
b.Write(strconv.AppendQuote(b.AvailableBuffer(), string(l[name])))
}
b.WriteByte('}')
return b.String()
}
// Fingerprint returns the LabelSet's fingerprint.

28
vendor/github.com/prometheus/common/model/metadata.go generated vendored Normal file
View File

@@ -0,0 +1,28 @@
// Copyright 2023 The Prometheus Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package model
// MetricType represents metric type values.
type MetricType string
const (
MetricTypeCounter = MetricType("counter")
MetricTypeGauge = MetricType("gauge")
MetricTypeHistogram = MetricType("histogram")
MetricTypeGaugeHistogram = MetricType("gaugehistogram")
MetricTypeSummary = MetricType("summary")
MetricTypeInfo = MetricType("info")
MetricTypeStateset = MetricType("stateset")
MetricTypeUnknown = MetricType("unknown")
)

369
vendor/github.com/prometheus/common/model/metric.go generated vendored
View File

@@ -18,15 +18,84 @@ import (
"regexp"
"sort"
"strings"
"unicode/utf8"
dto "github.com/prometheus/client_model/go"
"google.golang.org/protobuf/proto"
)
var (
// MetricNameRE is a regular expression matching valid metric
// names. Note that the IsValidMetricName function performs the same
// check but faster than a match with this regular expression.
MetricNameRE = regexp.MustCompile(`^[a-zA-Z_:][a-zA-Z0-9_:]*$`)
// NameValidationScheme determines the method of name validation to be used by
// all calls to IsValidMetricName() and LabelName IsValid(). Setting UTF-8 mode
// in isolation from other components that don't support UTF-8 may result in
// bugs or other undefined behavior. This value is intended to be set by
// UTF-8-aware binaries as part of their startup. To avoid need for locking,
// this value should be set once, ideally in an init(), before multiple
// goroutines are started.
NameValidationScheme = LegacyValidation
// NameEscapingScheme defines the default way that names will be
// escaped when presented to systems that do not support UTF-8 names. If the
// Content-Type "escaping" term is specified, that will override this value.
NameEscapingScheme = ValueEncodingEscaping
)
// ValidationScheme is a Go enum for determining how metric and label names will
// be validated by this library.
type ValidationScheme int
const (
// LegacyValidation is a setting that requirets that metric and label names
// conform to the original Prometheus character requirements described by
// MetricNameRE and LabelNameRE.
LegacyValidation ValidationScheme = iota
// UTF8Validation only requires that metric and label names be valid UTF-8
// strings.
UTF8Validation
)
type EscapingScheme int
const (
// NoEscaping indicates that a name will not be escaped. Unescaped names that
// do not conform to the legacy validity check will use a new exposition
// format syntax that will be officially standardized in future versions.
NoEscaping EscapingScheme = iota
// UnderscoreEscaping replaces all legacy-invalid characters with underscores.
UnderscoreEscaping
// DotsEscaping is similar to UnderscoreEscaping, except that dots are
// converted to `_dot_` and pre-existing underscores are converted to `__`.
DotsEscaping
// ValueEncodingEscaping prepends the name with `U__` and replaces all invalid
// characters with the unicode value, surrounded by underscores. Single
// underscores are replaced with double underscores.
ValueEncodingEscaping
)
const (
// EscapingKey is the key in an Accept or Content-Type header that defines how
// metric and label names that do not conform to the legacy character
// requirements should be escaped when being scraped by a legacy prometheus
// system. If a system does not explicitly pass an escaping parameter in the
// Accept header, the default NameEscapingScheme will be used.
EscapingKey = "escaping"
// Possible values for Escaping Key:
AllowUTF8 = "allow-utf-8" // No escaping required.
EscapeUnderscores = "underscores"
EscapeDots = "dots"
EscapeValues = "values"
)
// MetricNameRE is a regular expression matching valid metric
// names. Note that the IsValidMetricName function performs the same
// check but faster than a match with this regular expression.
var MetricNameRE = regexp.MustCompile(`^[a-zA-Z_:][a-zA-Z0-9_:]*$`)
// A Metric is similar to a LabelSet, but the key difference is that a Metric is
// a singleton and refers to one and only one stream of samples.
type Metric LabelSet
@@ -86,17 +155,303 @@ func (m Metric) FastFingerprint() Fingerprint {
return LabelSet(m).FastFingerprint()
}
// IsValidMetricName returns true iff name matches the pattern of MetricNameRE.
// IsValidMetricName returns true iff name matches the pattern of MetricNameRE
// for legacy names, and iff it's valid UTF-8 if the UTF8Validation scheme is
// selected.
func IsValidMetricName(n LabelValue) bool {
switch NameValidationScheme {
case LegacyValidation:
return IsValidLegacyMetricName(n)
case UTF8Validation:
if len(n) == 0 {
return false
}
return utf8.ValidString(string(n))
default:
panic(fmt.Sprintf("Invalid name validation scheme requested: %d", NameValidationScheme))
}
}
// IsValidLegacyMetricName is similar to IsValidMetricName but always uses the
// legacy validation scheme regardless of the value of NameValidationScheme.
// This function, however, does not use MetricNameRE for the check but a much
// faster hardcoded implementation.
func IsValidMetricName(n LabelValue) bool {
func IsValidLegacyMetricName(n LabelValue) bool {
if len(n) == 0 {
return false
}
for i, b := range n {
if !((b >= 'a' && b <= 'z') || (b >= 'A' && b <= 'Z') || b == '_' || b == ':' || (b >= '0' && b <= '9' && i > 0)) {
if !isValidLegacyRune(b, i) {
return false
}
}
return true
}
// EscapeMetricFamily escapes the given metric names and labels with the given
// escaping scheme. Returns a new object that uses the same pointers to fields
// when possible and creates new escaped versions so as not to mutate the
// input.
func EscapeMetricFamily(v *dto.MetricFamily, scheme EscapingScheme) *dto.MetricFamily {
if v == nil {
return nil
}
if scheme == NoEscaping {
return v
}
out := &dto.MetricFamily{
Help: v.Help,
Type: v.Type,
Unit: v.Unit,
}
// If the name is nil, copy as-is, don't try to escape.
if v.Name == nil || IsValidLegacyMetricName(LabelValue(v.GetName())) {
out.Name = v.Name
} else {
out.Name = proto.String(EscapeName(v.GetName(), scheme))
}
for _, m := range v.Metric {
if !metricNeedsEscaping(m) {
out.Metric = append(out.Metric, m)
continue
}
escaped := &dto.Metric{
Gauge: m.Gauge,
Counter: m.Counter,
Summary: m.Summary,
Untyped: m.Untyped,
Histogram: m.Histogram,
TimestampMs: m.TimestampMs,
}
for _, l := range m.Label {
if l.GetName() == MetricNameLabel {
if l.Value == nil || IsValidLegacyMetricName(LabelValue(l.GetValue())) {
escaped.Label = append(escaped.Label, l)
continue
}
escaped.Label = append(escaped.Label, &dto.LabelPair{
Name: proto.String(MetricNameLabel),
Value: proto.String(EscapeName(l.GetValue(), scheme)),
})
continue
}
if l.Name == nil || IsValidLegacyMetricName(LabelValue(l.GetName())) {
escaped.Label = append(escaped.Label, l)
continue
}
escaped.Label = append(escaped.Label, &dto.LabelPair{
Name: proto.String(EscapeName(l.GetName(), scheme)),
Value: l.Value,
})
}
out.Metric = append(out.Metric, escaped)
}
return out
}
func metricNeedsEscaping(m *dto.Metric) bool {
for _, l := range m.Label {
if l.GetName() == MetricNameLabel && !IsValidLegacyMetricName(LabelValue(l.GetValue())) {
return true
}
if !IsValidLegacyMetricName(LabelValue(l.GetName())) {
return true
}
}
return false
}
const (
lowerhex = "0123456789abcdef"
)
// EscapeName escapes the incoming name according to the provided escaping
// scheme. Depending on the rules of escaping, this may cause no change in the
// string that is returned. (Especially NoEscaping, which by definition is a
// noop). This function does not do any validation of the name.
func EscapeName(name string, scheme EscapingScheme) string {
if len(name) == 0 {
return name
}
var escaped strings.Builder
switch scheme {
case NoEscaping:
return name
case UnderscoreEscaping:
if IsValidLegacyMetricName(LabelValue(name)) {
return name
}
for i, b := range name {
if isValidLegacyRune(b, i) {
escaped.WriteRune(b)
} else {
escaped.WriteRune('_')
}
}
return escaped.String()
case DotsEscaping:
// Do not early return for legacy valid names, we still escape underscores.
for i, b := range name {
if b == '_' {
escaped.WriteString("__")
} else if b == '.' {
escaped.WriteString("_dot_")
} else if isValidLegacyRune(b, i) {
escaped.WriteRune(b)
} else {
escaped.WriteRune('_')
}
}
return escaped.String()
case ValueEncodingEscaping:
if IsValidLegacyMetricName(LabelValue(name)) {
return name
}
escaped.WriteString("U__")
for i, b := range name {
if isValidLegacyRune(b, i) {
escaped.WriteRune(b)
} else if !utf8.ValidRune(b) {
escaped.WriteString("_FFFD_")
} else if b < 0x100 {
escaped.WriteRune('_')
for s := 4; s >= 0; s -= 4 {
escaped.WriteByte(lowerhex[b>>uint(s)&0xF])
}
escaped.WriteRune('_')
} else if b < 0x10000 {
escaped.WriteRune('_')
for s := 12; s >= 0; s -= 4 {
escaped.WriteByte(lowerhex[b>>uint(s)&0xF])
}
escaped.WriteRune('_')
}
}
return escaped.String()
default:
panic(fmt.Sprintf("invalid escaping scheme %d", scheme))
}
}
// lower function taken from strconv.atoi
func lower(c byte) byte {
return c | ('x' - 'X')
}
// UnescapeName unescapes the incoming name according to the provided escaping
// scheme if possible. Some schemes are partially or totally non-roundtripable.
// If any error is enountered, returns the original input.
func UnescapeName(name string, scheme EscapingScheme) string {
if len(name) == 0 {
return name
}
switch scheme {
case NoEscaping:
return name
case UnderscoreEscaping:
// It is not possible to unescape from underscore replacement.
return name
case DotsEscaping:
name = strings.ReplaceAll(name, "_dot_", ".")
name = strings.ReplaceAll(name, "__", "_")
return name
case ValueEncodingEscaping:
escapedName, found := strings.CutPrefix(name, "U__")
if !found {
return name
}
var unescaped strings.Builder
TOP:
for i := 0; i < len(escapedName); i++ {
// All non-underscores are treated normally.
if escapedName[i] != '_' {
unescaped.WriteByte(escapedName[i])
continue
}
i++
if i >= len(escapedName) {
return name
}
// A double underscore is a single underscore.
if escapedName[i] == '_' {
unescaped.WriteByte('_')
continue
}
// We think we are in a UTF-8 code, process it.
var utf8Val uint
for j := 0; i < len(escapedName); j++ {
// This is too many characters for a utf8 value.
if j > 4 {
return name
}
// Found a closing underscore, convert to a rune, check validity, and append.
if escapedName[i] == '_' {
utf8Rune := rune(utf8Val)
if !utf8.ValidRune(utf8Rune) {
return name
}
unescaped.WriteRune(utf8Rune)
continue TOP
}
r := lower(escapedName[i])
utf8Val *= 16
if r >= '0' && r <= '9' {
utf8Val += uint(r) - '0'
} else if r >= 'a' && r <= 'f' {
utf8Val += uint(r) - 'a' + 10
} else {
return name
}
i++
}
// Didn't find closing underscore, invalid.
return name
}
return unescaped.String()
default:
panic(fmt.Sprintf("invalid escaping scheme %d", scheme))
}
}
func isValidLegacyRune(b rune, i int) bool {
return (b >= 'a' && b <= 'z') || (b >= 'A' && b <= 'Z') || b == '_' || b == ':' || (b >= '0' && b <= '9' && i > 0)
}
func (e EscapingScheme) String() string {
switch e {
case NoEscaping:
return AllowUTF8
case UnderscoreEscaping:
return EscapeUnderscores
case DotsEscaping:
return EscapeDots
case ValueEncodingEscaping:
return EscapeValues
default:
panic(fmt.Sprintf("unknown format scheme %d", e))
}
}
func ToEscapingScheme(s string) (EscapingScheme, error) {
if s == "" {
return NoEscaping, fmt.Errorf("got empty string instead of escaping scheme")
}
switch s {
case AllowUTF8:
return NoEscaping, nil
case EscapeUnderscores:
return UnderscoreEscaping, nil
case EscapeDots:
return DotsEscaping, nil
case EscapeValues:
return ValueEncodingEscaping, nil
default:
return NoEscaping, fmt.Errorf("unknown format scheme " + s)
}
}

6
vendor/github.com/prometheus/common/model/signature.go generated vendored
View File

@@ -22,10 +22,8 @@ import (
// when calculating their combined hash value (aka signature aka fingerprint).
const SeparatorByte byte = 255
var (
// cache the signature of an empty label set.
emptyLabelSignature = hashNew()
)
// cache the signature of an empty label set.
var emptyLabelSignature = hashNew()
// LabelsToSignature returns a quasi-unique signature (i.e., fingerprint) for a
// given label set. (Collisions are possible but unlikely if the number of label

2
vendor/github.com/prometheus/common/model/silence.go generated vendored
View File

@@ -81,7 +81,7 @@ func (s *Silence) Validate() error {
}
for _, m := range s.Matchers {
if err := m.Validate(); err != nil {
return fmt.Errorf("invalid matcher: %s", err)
return fmt.Errorf("invalid matcher: %w", err)
}
}
if s.StartsAt.IsZero() {

16
vendor/github.com/prometheus/common/model/value.go generated vendored
View File

@@ -21,14 +21,12 @@ import (
"strings"
)
var (
// ZeroSample is the pseudo zero-value of Sample used to signal a
// non-existing sample. It is a Sample with timestamp Earliest, value 0.0,
// and metric nil. Note that the natural zero value of Sample has a timestamp
// of 0, which is possible to appear in a real Sample and thus not suitable
// to signal a non-existing Sample.
ZeroSample = Sample{Timestamp: Earliest}
)
// ZeroSample is the pseudo zero-value of Sample used to signal a
// non-existing sample. It is a Sample with timestamp Earliest, value 0.0,
// and metric nil. Note that the natural zero value of Sample has a timestamp
// of 0, which is possible to appear in a real Sample and thus not suitable
// to signal a non-existing Sample.
var ZeroSample = Sample{Timestamp: Earliest}
// Sample is a sample pair associated with a metric. A single sample must either
// define Value or Histogram but not both. Histogram == nil implies the Value
@@ -274,7 +272,7 @@ func (s *Scalar) UnmarshalJSON(b []byte) error {
value, err := strconv.ParseFloat(f, 64)
if err != nil {
return fmt.Errorf("error parsing sample value: %s", err)
return fmt.Errorf("error parsing sample value: %w", err)
}
s.Value = SampleValue(value)
return nil

14
vendor/github.com/prometheus/common/model/value_float.go generated vendored
View File

@@ -20,14 +20,12 @@ import (
"strconv"
)
var (
// ZeroSamplePair is the pseudo zero-value of SamplePair used to signal a
// non-existing sample pair. It is a SamplePair with timestamp Earliest and
// value 0.0. Note that the natural zero value of SamplePair has a timestamp
// of 0, which is possible to appear in a real SamplePair and thus not
// suitable to signal a non-existing SamplePair.
ZeroSamplePair = SamplePair{Timestamp: Earliest}
)
// ZeroSamplePair is the pseudo zero-value of SamplePair used to signal a
// non-existing sample pair. It is a SamplePair with timestamp Earliest and
// value 0.0. Note that the natural zero value of SamplePair has a timestamp
// of 0, which is possible to appear in a real SamplePair and thus not
// suitable to signal a non-existing SamplePair.
var ZeroSamplePair = SamplePair{Timestamp: Earliest}
// A SampleValue is a representation of a value for a given sample at a given
// time.

3
vendor/github.com/prometheus/procfs/.golangci.yml generated vendored
View File

@@ -2,6 +2,7 @@
linters:
enable:
- godot
- misspell
- revive
linter-settings:
@@ -10,3 +11,5 @@ linter-settings:
exclude:
# Ignore "See: URL"
- 'See:'
misspell:
locale: US

22
vendor/github.com/prometheus/procfs/Makefile.common generated vendored
View File

@@ -49,23 +49,23 @@ endif
GOTEST := $(GO) test
GOTEST_DIR :=
ifneq ($(CIRCLE_JOB),)
ifneq ($(shell which gotestsum),)
ifneq ($(shell command -v gotestsum > /dev/null),)
GOTEST_DIR := test-results
GOTEST := gotestsum --junitfile $(GOTEST_DIR)/unit-tests.xml --
endif
endif
PROMU_VERSION ?= 0.14.0
PROMU_VERSION ?= 0.15.0
PROMU_URL := https://github.com/prometheus/promu/releases/download/v$(PROMU_VERSION)/promu-$(PROMU_VERSION).$(GO_BUILD_PLATFORM).tar.gz
SKIP_GOLANGCI_LINT :=
GOLANGCI_LINT :=
GOLANGCI_LINT_OPTS ?=
GOLANGCI_LINT_VERSION ?= v1.51.2
# golangci-lint only supports linux, darwin and windows platforms on i386/amd64.
GOLANGCI_LINT_VERSION ?= v1.55.2
# golangci-lint only supports linux, darwin and windows platforms on i386/amd64/arm64.
# windows isn't included here because of the path separator being different.
ifeq ($(GOHOSTOS),$(filter $(GOHOSTOS),linux darwin))
ifeq ($(GOHOSTARCH),$(filter $(GOHOSTARCH),amd64 i386))
ifeq ($(GOHOSTARCH),$(filter $(GOHOSTARCH),amd64 i386 arm64))
# If we're in CI and there is an Actions file, that means the linter
# is being run in Actions, so we don't need to run it here.
ifneq (,$(SKIP_GOLANGCI_LINT))
@@ -169,16 +169,20 @@ common-vet:
common-lint: $(GOLANGCI_LINT)
ifdef GOLANGCI_LINT
@echo ">> running golangci-lint"
# 'go list' needs to be executed before staticcheck to prepopulate the modules cache.
# Otherwise staticcheck might fail randomly for some reason not yet explained.
$(GO) list -e -compiled -test=true -export=false -deps=true -find=false -tags= -- ./... > /dev/null
$(GOLANGCI_LINT) run $(GOLANGCI_LINT_OPTS) $(pkgs)
endif
.PHONY: common-lint-fix
common-lint-fix: $(GOLANGCI_LINT)
ifdef GOLANGCI_LINT
@echo ">> running golangci-lint fix"
$(GOLANGCI_LINT) run --fix $(GOLANGCI_LINT_OPTS) $(pkgs)
endif
.PHONY: common-yamllint
common-yamllint:
@echo ">> running yamllint on all YAML files in the repository"
ifeq (, $(shell which yamllint))
ifeq (, $(shell command -v yamllint > /dev/null))
@echo "yamllint not installed so skipping"
else
yamllint .

4
vendor/github.com/prometheus/procfs/README.md generated vendored
View File

@@ -51,11 +51,11 @@ ensure the `fixtures` directory is up to date by removing the existing directory
extracting the ttar file using `make fixtures/.unpacked` or just `make test`.
```bash
rm -rf fixtures
rm -rf testdata/fixtures
make test
```
Next, make the required changes to the extracted files in the `fixtures` directory. When
the changes are complete, run `make update_fixtures` to create a new `fixtures.ttar` file
based on the updated `fixtures` directory. And finally, verify the changes using
`git diff fixtures.ttar`.
`git diff testdata/fixtures.ttar`.

6
vendor/github.com/prometheus/procfs/arp.go generated vendored
View File

@@ -55,7 +55,7 @@ type ARPEntry struct {
func (fs FS) GatherARPEntries() ([]ARPEntry, error) {
data, err := os.ReadFile(fs.proc.Path("net/arp"))
if err != nil {
return nil, fmt.Errorf("error reading arp %q: %w", fs.proc.Path("net/arp"), err)
return nil, fmt.Errorf("%s: error reading arp %s: %w", ErrFileRead, fs.proc.Path("net/arp"), err)
}
return parseARPEntries(data)
@@ -78,11 +78,11 @@ func parseARPEntries(data []byte) ([]ARPEntry, error) {
} else if width == expectedDataWidth {
entry, err := parseARPEntry(columns)
if err != nil {
return []ARPEntry{}, fmt.Errorf("failed to parse ARP entry: %w", err)
return []ARPEntry{}, fmt.Errorf("%s: Failed to parse ARP entry: %v: %w", ErrFileParse, entry, err)
}
entries = append(entries, entry)
} else {
return []ARPEntry{}, fmt.Errorf("%d columns were detected, but %d were expected", width, expectedDataWidth)
return []ARPEntry{}, fmt.Errorf("%s: %d columns found, but expected %d: %w", ErrFileParse, width, expectedDataWidth, err)
}
}

6
vendor/github.com/prometheus/procfs/buddyinfo.go generated vendored
View File

@@ -55,7 +55,7 @@ func parseBuddyInfo(r io.Reader) ([]BuddyInfo, error) {
parts := strings.Fields(line)
if len(parts) < 4 {
return nil, fmt.Errorf("invalid number of fields when parsing buddyinfo")
return nil, fmt.Errorf("%w: Invalid number of fields, found: %v", ErrFileParse, parts)
}
node := strings.TrimRight(parts[1], ",")
@@ -66,7 +66,7 @@ func parseBuddyInfo(r io.Reader) ([]BuddyInfo, error) {
bucketCount = arraySize
} else {
if bucketCount != arraySize {
return nil, fmt.Errorf("mismatch in number of buddyinfo buckets, previous count %d, new count %d", bucketCount, arraySize)
return nil, fmt.Errorf("%w: mismatch in number of buddyinfo buckets, previous count %d, new count %d", ErrFileParse, bucketCount, arraySize)
}
}
@@ -74,7 +74,7 @@ func parseBuddyInfo(r io.Reader) ([]BuddyInfo, error) {
for i := 0; i < arraySize; i++ {
sizes[i], err = strconv.ParseFloat(parts[i+4], 64)
if err != nil {
return nil, fmt.Errorf("invalid value in buddyinfo: %w", err)
return nil, fmt.Errorf("%s: Invalid valid in buddyinfo: %f: %w", ErrFileParse, sizes[i], err)
}
}

17
vendor/github.com/prometheus/procfs/cpuinfo.go generated vendored
View File

@@ -79,7 +79,7 @@ func parseCPUInfoX86(info []byte) ([]CPUInfo, error) {
// find the first "processor" line
firstLine := firstNonEmptyLine(scanner)
if !strings.HasPrefix(firstLine, "processor") || !strings.Contains(firstLine, ":") {
return nil, fmt.Errorf("invalid cpuinfo file: %q", firstLine)
return nil, fmt.Errorf("%w: Cannot parse line: %q", ErrFileParse, firstLine)
}
field := strings.SplitN(firstLine, ": ", 2)
v, err := strconv.ParseUint(field[1], 0, 32)
@@ -192,9 +192,10 @@ func parseCPUInfoARM(info []byte) ([]CPUInfo, error) {
scanner := bufio.NewScanner(bytes.NewReader(info))
firstLine := firstNonEmptyLine(scanner)
match, _ := regexp.MatchString("^[Pp]rocessor", firstLine)
match, err := regexp.MatchString("^[Pp]rocessor", firstLine)
if !match || !strings.Contains(firstLine, ":") {
return nil, fmt.Errorf("invalid cpuinfo file: %q", firstLine)
return nil, fmt.Errorf("%s: Cannot parse line: %q: %w", ErrFileParse, firstLine, err)
}
field := strings.SplitN(firstLine, ": ", 2)
cpuinfo := []CPUInfo{}
@@ -258,7 +259,7 @@ func parseCPUInfoS390X(info []byte) ([]CPUInfo, error) {
firstLine := firstNonEmptyLine(scanner)
if !strings.HasPrefix(firstLine, "vendor_id") || !strings.Contains(firstLine, ":") {
return nil, fmt.Errorf("invalid cpuinfo file: %q", firstLine)
return nil, fmt.Errorf("%w: Cannot parse line: %q", ErrFileParse, firstLine)
}
field := strings.SplitN(firstLine, ": ", 2)
cpuinfo := []CPUInfo{}
@@ -283,7 +284,7 @@ func parseCPUInfoS390X(info []byte) ([]CPUInfo, error) {
if strings.HasPrefix(line, "processor") {
match := cpuinfoS390XProcessorRegexp.FindStringSubmatch(line)
if len(match) < 2 {
return nil, fmt.Errorf("invalid cpuinfo file: %q", firstLine)
return nil, fmt.Errorf("%w: %q", ErrFileParse, firstLine)
}
cpu := commonCPUInfo
v, err := strconv.ParseUint(match[1], 0, 32)
@@ -343,7 +344,7 @@ func parseCPUInfoMips(info []byte) ([]CPUInfo, error) {
// find the first "processor" line
firstLine := firstNonEmptyLine(scanner)
if !strings.HasPrefix(firstLine, "system type") || !strings.Contains(firstLine, ":") {
return nil, fmt.Errorf("invalid cpuinfo file: %q", firstLine)
return nil, fmt.Errorf("%w: %q", ErrFileParse, firstLine)
}
field := strings.SplitN(firstLine, ": ", 2)
cpuinfo := []CPUInfo{}
@@ -421,7 +422,7 @@ func parseCPUInfoPPC(info []byte) ([]CPUInfo, error) {
firstLine := firstNonEmptyLine(scanner)
if !strings.HasPrefix(firstLine, "processor") || !strings.Contains(firstLine, ":") {
return nil, fmt.Errorf("invalid cpuinfo file: %q", firstLine)
return nil, fmt.Errorf("%w: %q", ErrFileParse, firstLine)
}
field := strings.SplitN(firstLine, ": ", 2)
v, err := strconv.ParseUint(field[1], 0, 32)
@@ -466,7 +467,7 @@ func parseCPUInfoRISCV(info []byte) ([]CPUInfo, error) {
firstLine := firstNonEmptyLine(scanner)
if !strings.HasPrefix(firstLine, "processor") || !strings.Contains(firstLine, ":") {
return nil, fmt.Errorf("invalid cpuinfo file: %q", firstLine)
return nil, fmt.Errorf("%w: %q", ErrFileParse, firstLine)
}
field := strings.SplitN(firstLine, ": ", 2)
v, err := strconv.ParseUint(field[1], 0, 32)

7
vendor/github.com/prometheus/procfs/crypto.go generated vendored
View File

@@ -55,12 +55,13 @@ func (fs FS) Crypto() ([]Crypto, error) {
path := fs.proc.Path("crypto")
b, err := util.ReadFileNoStat(path)
if err != nil {
return nil, fmt.Errorf("error reading crypto %q: %w", path, err)
return nil, fmt.Errorf("%s: Cannot read file %v: %w", ErrFileRead, b, err)
}
crypto, err := parseCrypto(bytes.NewReader(b))
if err != nil {
return nil, fmt.Errorf("error parsing crypto %q: %w", path, err)
return nil, fmt.Errorf("%s: Cannot parse %v: %w", ErrFileParse, crypto, err)
}
return crypto, nil
@@ -83,7 +84,7 @@ func parseCrypto(r io.Reader) ([]Crypto, error) {
kv := strings.Split(text, ":")
if len(kv) != 2 {
return nil, fmt.Errorf("malformed crypto line: %q", text)
return nil, fmt.Errorf("%w: Cannot parse line: %q", ErrFileParse, text)
}
k := strings.TrimSpace(kv[0])

8
vendor/github.com/prometheus/procfs/fs.go generated vendored
View File

@@ -20,8 +20,8 @@ import (
// FS represents the pseudo-filesystem sys, which provides an interface to
// kernel data structures.
type FS struct {
proc fs.FS
real bool
proc fs.FS
isReal bool
}
// DefaultMountPoint is the common mount point of the proc filesystem.
@@ -41,10 +41,10 @@ func NewFS(mountPoint string) (FS, error) {
return FS{}, err
}
real, err := isRealProc(mountPoint)
isReal, err := isRealProc(mountPoint)
if err != nil {
return FS{}, err
}
return FS{fs, real}, nil
return FS{fs, isReal}, nil
}

4
vendor/github.com/prometheus/procfs/fs_statfs_notype.go generated vendored
View File

@@ -11,8 +11,8 @@
// See the License for the specific language governing permissions and
// limitations under the License.
//go:build netbsd || openbsd || solaris || windows
// +build netbsd openbsd solaris windows
//go:build !freebsd && !linux
// +build !freebsd,!linux
package procfs

4
vendor/github.com/prometheus/procfs/fs_statfs_type.go generated vendored
View File

@@ -11,8 +11,8 @@
// See the License for the specific language governing permissions and
// limitations under the License.
//go:build !netbsd && !openbsd && !solaris && !windows
// +build !netbsd,!openbsd,!solaris,!windows
//go:build freebsd || linux
// +build freebsd linux
package procfs

6
vendor/github.com/prometheus/procfs/fscache.go generated vendored
View File

@@ -236,7 +236,7 @@ func (fs FS) Fscacheinfo() (Fscacheinfo, error) {
m, err := parseFscacheinfo(bytes.NewReader(b))
if err != nil {
return Fscacheinfo{}, fmt.Errorf("failed to parse Fscacheinfo: %w", err)
return Fscacheinfo{}, fmt.Errorf("%s: Cannot parse %v: %w", ErrFileParse, m, err)
}
return *m, nil
@@ -245,7 +245,7 @@ func (fs FS) Fscacheinfo() (Fscacheinfo, error) {
func setFSCacheFields(fields []string, setFields ...*uint64) error {
var err error
if len(fields) < len(setFields) {
return fmt.Errorf("Insufficient number of fields, expected %v, got %v", len(setFields), len(fields))
return fmt.Errorf("%s: Expected %d, but got %d: %w", ErrFileParse, len(setFields), len(fields), err)
}
for i := range setFields {
@@ -263,7 +263,7 @@ func parseFscacheinfo(r io.Reader) (*Fscacheinfo, error) {
for s.Scan() {
fields := strings.Fields(s.Text())
if len(fields) < 2 {
return nil, fmt.Errorf("malformed Fscacheinfo line: %q", s.Text())
return nil, fmt.Errorf("%w: malformed Fscacheinfo line: %q", ErrFileParse, s.Text())
}
switch fields[0] {

7
vendor/github.com/prometheus/procfs/ipvs.go generated vendored
View File

@@ -221,15 +221,16 @@ func parseIPPort(s string) (net.IP, uint16, error) {
case 46:
ip = net.ParseIP(s[1:40])
if ip == nil {
return nil, 0, fmt.Errorf("invalid IPv6 address: %s", s[1:40])
return nil, 0, fmt.Errorf("%s: Invalid IPv6 addr %s: %w", ErrFileParse, s[1:40], err)
}
default:
return nil, 0, fmt.Errorf("unexpected IP:Port: %s", s)
return nil, 0, fmt.Errorf("%s: Unexpected IP:Port %s: %w", ErrFileParse, s, err)
}
portString := s[len(s)-4:]
if len(portString) != 4 {
return nil, 0, fmt.Errorf("unexpected port string format: %s", portString)
return nil, 0,
fmt.Errorf("%s: Unexpected port string format %s: %w", ErrFileParse, portString, err)
}
port, err := strconv.ParseUint(portString, 16, 16)
if err != nil {

4
vendor/github.com/prometheus/procfs/loadavg.go generated vendored
View File

@@ -44,14 +44,14 @@ func parseLoad(loadavgBytes []byte) (*LoadAvg, error) {
loads := make([]float64, 3)
parts := strings.Fields(string(loadavgBytes))
if len(parts) < 3 {
return nil, fmt.Errorf("malformed loadavg line: too few fields in loadavg string: %q", string(loadavgBytes))
return nil, fmt.Errorf("%w: Malformed line %q", ErrFileParse, string(loadavgBytes))
}
var err error
for i, load := range parts[0:3] {
loads[i], err = strconv.ParseFloat(load, 64)
if err != nil {
return nil, fmt.Errorf("could not parse load %q: %w", load, err)
return nil, fmt.Errorf("%s: Cannot parse load: %f: %w", ErrFileParse, loads[i], err)
}
}
return &LoadAvg{

36
vendor/github.com/prometheus/procfs/mdstat.go generated vendored
View File

@@ -70,7 +70,7 @@ func (fs FS) MDStat() ([]MDStat, error) {
}
mdstat, err := parseMDStat(data)
if err != nil {
return nil, fmt.Errorf("error parsing mdstat %q: %w", fs.proc.Path("mdstat"), err)
return nil, fmt.Errorf("%s: Cannot parse %v: %w", ErrFileParse, fs.proc.Path("mdstat"), err)
}
return mdstat, nil
}
@@ -90,13 +90,13 @@ func parseMDStat(mdStatData []byte) ([]MDStat, error) {
deviceFields := strings.Fields(line)
if len(deviceFields) < 3 {
return nil, fmt.Errorf("not enough fields in mdline (expected at least 3): %s", line)
return nil, fmt.Errorf("%s: Expected 3+ lines, got %q", ErrFileParse, line)
}
mdName := deviceFields[0] // mdx
state := deviceFields[2] // active or inactive
if len(lines) <= i+3 {
return nil, fmt.Errorf("error parsing %q: too few lines for md device", mdName)
return nil, fmt.Errorf("%w: Too few lines for md device: %q", ErrFileParse, mdName)
}
// Failed disks have the suffix (F) & Spare disks have the suffix (S).
@@ -105,7 +105,7 @@ func parseMDStat(mdStatData []byte) ([]MDStat, error) {
active, total, down, size, err := evalStatusLine(lines[i], lines[i+1])
if err != nil {
return nil, fmt.Errorf("error parsing md device lines: %w", err)
return nil, fmt.Errorf("%s: Cannot parse md device lines: %v: %w", ErrFileParse, active, err)
}
syncLineIdx := i + 2
@@ -140,7 +140,7 @@ func parseMDStat(mdStatData []byte) ([]MDStat, error) {
} else {
syncedBlocks, pct, finish, speed, err = evalRecoveryLine(lines[syncLineIdx])
if err != nil {
return nil, fmt.Errorf("error parsing sync line in md device %q: %w", mdName, err)
return nil, fmt.Errorf("%s: Cannot parse sync line in md device: %q: %w", ErrFileParse, mdName, err)
}
}
}
@@ -168,13 +168,13 @@ func parseMDStat(mdStatData []byte) ([]MDStat, error) {
func evalStatusLine(deviceLine, statusLine string) (active, total, down, size int64, err error) {
statusFields := strings.Fields(statusLine)
if len(statusFields) < 1 {
return 0, 0, 0, 0, fmt.Errorf("unexpected statusLine %q", statusLine)
return 0, 0, 0, 0, fmt.Errorf("%s: Unexpected statusline %q: %w", ErrFileParse, statusLine, err)
}
sizeStr := statusFields[0]
size, err = strconv.ParseInt(sizeStr, 10, 64)
if err != nil {
return 0, 0, 0, 0, fmt.Errorf("unexpected statusLine %q: %w", statusLine, err)
return 0, 0, 0, 0, fmt.Errorf("%s: Unexpected statusline %q: %w", ErrFileParse, statusLine, err)
}
if strings.Contains(deviceLine, "raid0") || strings.Contains(deviceLine, "linear") {
@@ -189,17 +189,17 @@ func evalStatusLine(deviceLine, statusLine string) (active, total, down, size in
matches := statusLineRE.FindStringSubmatch(statusLine)
if len(matches) != 5 {
return 0, 0, 0, 0, fmt.Errorf("couldn't find all the substring matches: %s", statusLine)
return 0, 0, 0, 0, fmt.Errorf("%s: Could not fild all substring matches %s: %w", ErrFileParse, statusLine, err)
}
total, err = strconv.ParseInt(matches[2], 10, 64)
if err != nil {
return 0, 0, 0, 0, fmt.Errorf("unexpected statusLine %q: %w", statusLine, err)
return 0, 0, 0, 0, fmt.Errorf("%s: Unexpected statusline %q: %w", ErrFileParse, statusLine, err)
}
active, err = strconv.ParseInt(matches[3], 10, 64)
if err != nil {
return 0, 0, 0, 0, fmt.Errorf("unexpected statusLine %q: %w", statusLine, err)
return 0, 0, 0, 0, fmt.Errorf("%s: Unexpected active %d: %w", ErrFileParse, active, err)
}
down = int64(strings.Count(matches[4], "_"))
@@ -209,42 +209,42 @@ func evalStatusLine(deviceLine, statusLine string) (active, total, down, size in
func evalRecoveryLine(recoveryLine string) (syncedBlocks int64, pct float64, finish float64, speed float64, err error) {
matches := recoveryLineBlocksRE.FindStringSubmatch(recoveryLine)
if len(matches) != 2 {
return 0, 0, 0, 0, fmt.Errorf("unexpected recoveryLine: %s", recoveryLine)
return 0, 0, 0, 0, fmt.Errorf("%s: Unexpected recoveryLine %s: %w", ErrFileParse, recoveryLine, err)
}
syncedBlocks, err = strconv.ParseInt(matches[1], 10, 64)
if err != nil {
return 0, 0, 0, 0, fmt.Errorf("error parsing int from recoveryLine %q: %w", recoveryLine, err)
return 0, 0, 0, 0, fmt.Errorf("%s: Unexpected parsing of recoveryLine %q: %w", ErrFileParse, recoveryLine, err)
}
// Get percentage complete
matches = recoveryLinePctRE.FindStringSubmatch(recoveryLine)
if len(matches) != 2 {
return syncedBlocks, 0, 0, 0, fmt.Errorf("unexpected recoveryLine matching percentage: %s", recoveryLine)
return syncedBlocks, 0, 0, 0, fmt.Errorf("%w: Unexpected recoveryLine matching percentage %s", ErrFileParse, recoveryLine)
}
pct, err = strconv.ParseFloat(strings.TrimSpace(matches[1]), 64)
if err != nil {
return syncedBlocks, 0, 0, 0, fmt.Errorf("error parsing float from recoveryLine %q: %w", recoveryLine, err)
return syncedBlocks, 0, 0, 0, fmt.Errorf("%w: Error parsing float from recoveryLine %q", ErrFileParse, recoveryLine)
}
// Get time expected left to complete
matches = recoveryLineFinishRE.FindStringSubmatch(recoveryLine)
if len(matches) != 2 {
return syncedBlocks, pct, 0, 0, fmt.Errorf("unexpected recoveryLine matching est. finish time: %s", recoveryLine)
return syncedBlocks, pct, 0, 0, fmt.Errorf("%w: Unexpected recoveryLine matching est. finish time: %s", ErrFileParse, recoveryLine)
}
finish, err = strconv.ParseFloat(matches[1], 64)
if err != nil {
return syncedBlocks, pct, 0, 0, fmt.Errorf("error parsing float from recoveryLine %q: %w", recoveryLine, err)
return syncedBlocks, pct, 0, 0, fmt.Errorf("%w: Unable to parse float from recoveryLine: %q", ErrFileParse, recoveryLine)
}
// Get recovery speed
matches = recoveryLineSpeedRE.FindStringSubmatch(recoveryLine)
if len(matches) != 2 {
return syncedBlocks, pct, finish, 0, fmt.Errorf("unexpected recoveryLine matching speed: %s", recoveryLine)
return syncedBlocks, pct, finish, 0, fmt.Errorf("%w: Unexpected recoveryLine value: %s", ErrFileParse, recoveryLine)
}
speed, err = strconv.ParseFloat(matches[1], 64)
if err != nil {
return syncedBlocks, pct, finish, 0, fmt.Errorf("error parsing float from recoveryLine %q: %w", recoveryLine, err)
return syncedBlocks, pct, finish, 0, fmt.Errorf("%s: Error parsing float from recoveryLine: %q: %w", ErrFileParse, recoveryLine, err)
}
return syncedBlocks, pct, finish, speed, nil

220
vendor/github.com/prometheus/procfs/meminfo.go generated vendored
View File

@@ -126,6 +126,7 @@ type Meminfo struct {
VmallocUsed *uint64
// largest contiguous block of vmalloc area which is free
VmallocChunk *uint64
Percpu *uint64
HardwareCorrupted *uint64
AnonHugePages *uint64
ShmemHugePages *uint64
@@ -140,6 +141,55 @@ type Meminfo struct {
DirectMap4k *uint64
DirectMap2M *uint64
DirectMap1G *uint64
// The struct fields below are the byte-normalized counterparts to the
// existing struct fields. Values are normalized using the optional
// unit field in the meminfo line.
MemTotalBytes *uint64
MemFreeBytes *uint64
MemAvailableBytes *uint64
BuffersBytes *uint64
CachedBytes *uint64
SwapCachedBytes *uint64
ActiveBytes *uint64
InactiveBytes *uint64
ActiveAnonBytes *uint64
InactiveAnonBytes *uint64
ActiveFileBytes *uint64
InactiveFileBytes *uint64
UnevictableBytes *uint64
MlockedBytes *uint64
SwapTotalBytes *uint64
SwapFreeBytes *uint64
DirtyBytes *uint64
WritebackBytes *uint64
AnonPagesBytes *uint64
MappedBytes *uint64
ShmemBytes *uint64
SlabBytes *uint64
SReclaimableBytes *uint64
SUnreclaimBytes *uint64
KernelStackBytes *uint64
PageTablesBytes *uint64
NFSUnstableBytes *uint64
BounceBytes *uint64
WritebackTmpBytes *uint64
CommitLimitBytes *uint64
CommittedASBytes *uint64
VmallocTotalBytes *uint64
VmallocUsedBytes *uint64
VmallocChunkBytes *uint64
PercpuBytes *uint64
HardwareCorruptedBytes *uint64
AnonHugePagesBytes *uint64
ShmemHugePagesBytes *uint64
ShmemPmdMappedBytes *uint64
CmaTotalBytes *uint64
CmaFreeBytes *uint64
HugepagesizeBytes *uint64
DirectMap4kBytes *uint64
DirectMap2MBytes *uint64
DirectMap1GBytes *uint64
}
// Meminfo returns an information about current kernel/system memory statistics.
@@ -152,7 +202,7 @@ func (fs FS) Meminfo() (Meminfo, error) {
m, err := parseMemInfo(bytes.NewReader(b))
if err != nil {
return Meminfo{}, fmt.Errorf("failed to parse meminfo: %w", err)
return Meminfo{}, fmt.Errorf("%s: %w", ErrFileParse, err)
}
return *m, nil
@@ -162,114 +212,176 @@ func parseMemInfo(r io.Reader) (*Meminfo, error) {
var m Meminfo
s := bufio.NewScanner(r)
for s.Scan() {
// Each line has at least a name and value; we ignore the unit.
fields := strings.Fields(s.Text())
if len(fields) < 2 {
return nil, fmt.Errorf("malformed meminfo line: %q", s.Text())
}
var val, valBytes uint64
v, err := strconv.ParseUint(fields[1], 0, 64)
val, err := strconv.ParseUint(fields[1], 0, 64)
if err != nil {
return nil, err
}
switch len(fields) {
case 2:
// No unit present, use the parsed the value as bytes directly.
valBytes = val
case 3:
// Unit present in optional 3rd field, convert it to
// bytes. The only unit supported within the Linux
// kernel is `kB`.
if fields[2] != "kB" {
return nil, fmt.Errorf("%w: Unsupported unit in optional 3rd field %q", ErrFileParse, fields[2])
}
valBytes = 1024 * val
default:
return nil, fmt.Errorf("%w: Malformed line %q", ErrFileParse, s.Text())
}
switch fields[0] {
case "MemTotal:":
m.MemTotal = &v
m.MemTotal = &val
m.MemTotalBytes = &valBytes
case "MemFree:":
m.MemFree = &v
m.MemFree = &val
m.MemFreeBytes = &valBytes
case "MemAvailable:":
m.MemAvailable = &v
m.MemAvailable = &val
m.MemAvailableBytes = &valBytes
case "Buffers:":
m.Buffers = &v
m.Buffers = &val
m.BuffersBytes = &valBytes
case "Cached:":
m.Cached = &v
m.Cached = &val
m.CachedBytes = &valBytes
case "SwapCached:":
m.SwapCached = &v
m.SwapCached = &val
m.SwapCachedBytes = &valBytes
case "Active:":
m.Active = &v
m.Active = &val
m.ActiveBytes = &valBytes
case "Inactive:":
m.Inactive = &v
m.Inactive = &val
m.InactiveBytes = &valBytes
case "Active(anon):":
m.ActiveAnon = &v
m.ActiveAnon = &val
m.ActiveAnonBytes = &valBytes
case "Inactive(anon):":
m.InactiveAnon = &v
m.InactiveAnon = &val
m.InactiveAnonBytes = &valBytes
case "Active(file):":
m.ActiveFile = &v
m.ActiveFile = &val
m.ActiveFileBytes = &valBytes
case "Inactive(file):":
m.InactiveFile = &v
m.InactiveFile = &val
m.InactiveFileBytes = &valBytes
case "Unevictable:":
m.Unevictable = &v
m.Unevictable = &val
m.UnevictableBytes = &valBytes
case "Mlocked:":
m.Mlocked = &v
m.Mlocked = &val
m.MlockedBytes = &valBytes
case "SwapTotal:":
m.SwapTotal = &v
m.SwapTotal = &val
m.SwapTotalBytes = &valBytes
case "SwapFree:":
m.SwapFree = &v
m.SwapFree = &val
m.SwapFreeBytes = &valBytes
case "Dirty:":
m.Dirty = &v
m.Dirty = &val
m.DirtyBytes = &valBytes
case "Writeback:":
m.Writeback = &v
m.Writeback = &val
m.WritebackBytes = &valBytes
case "AnonPages:":
m.AnonPages = &v
m.AnonPages = &val
m.AnonPagesBytes = &valBytes
case "Mapped:":
m.Mapped = &v
m.Mapped = &val
m.MappedBytes = &valBytes
case "Shmem:":
m.Shmem = &v
m.Shmem = &val
m.ShmemBytes = &valBytes
case "Slab:":
m.Slab = &v
m.Slab = &val
m.SlabBytes = &valBytes
case "SReclaimable:":
m.SReclaimable = &v
m.SReclaimable = &val
m.SReclaimableBytes = &valBytes
case "SUnreclaim:":
m.SUnreclaim = &v
m.SUnreclaim = &val
m.SUnreclaimBytes = &valBytes
case "KernelStack:":
m.KernelStack = &v
m.KernelStack = &val
m.KernelStackBytes = &valBytes
case "PageTables:":
m.PageTables = &v
m.PageTables = &val
m.PageTablesBytes = &valBytes
case "NFS_Unstable:":
m.NFSUnstable = &v
m.NFSUnstable = &val
m.NFSUnstableBytes = &valBytes
case "Bounce:":
m.Bounce = &v
m.Bounce = &val
m.BounceBytes = &valBytes
case "WritebackTmp:":
m.WritebackTmp = &v
m.WritebackTmp = &val
m.WritebackTmpBytes = &valBytes
case "CommitLimit:":
m.CommitLimit = &v
m.CommitLimit = &val
m.CommitLimitBytes = &valBytes
case "Committed_AS:":
m.CommittedAS = &v
m.CommittedAS = &val
m.CommittedASBytes = &valBytes
case "VmallocTotal:":
m.VmallocTotal = &v
m.VmallocTotal = &val
m.VmallocTotalBytes = &valBytes
case "VmallocUsed:":
m.VmallocUsed = &v
m.VmallocUsed = &val
m.VmallocUsedBytes = &valBytes
case "VmallocChunk:":
m.VmallocChunk = &v
m.VmallocChunk = &val
m.VmallocChunkBytes = &valBytes
case "Percpu:":
m.Percpu = &val
m.PercpuBytes = &valBytes
case "HardwareCorrupted:":
m.HardwareCorrupted = &v
m.HardwareCorrupted = &val
m.HardwareCorruptedBytes = &valBytes
case "AnonHugePages:":
m.AnonHugePages = &v
m.AnonHugePages = &val
m.AnonHugePagesBytes = &valBytes
case "ShmemHugePages:":
m.ShmemHugePages = &v
m.ShmemHugePages = &val
m.ShmemHugePagesBytes = &valBytes
case "ShmemPmdMapped:":
m.ShmemPmdMapped = &v
m.ShmemPmdMapped = &val
m.ShmemPmdMappedBytes = &valBytes
case "CmaTotal:":
m.CmaTotal = &v
m.CmaTotal = &val
m.CmaTotalBytes = &valBytes
case "CmaFree:":
m.CmaFree = &v
m.CmaFree = &val
m.CmaFreeBytes = &valBytes
case "HugePages_Total:":
m.HugePagesTotal = &v
m.HugePagesTotal = &val
case "HugePages_Free:":
m.HugePagesFree = &v
m.HugePagesFree = &val
case "HugePages_Rsvd:":
m.HugePagesRsvd = &v
m.HugePagesRsvd = &val
case "HugePages_Surp:":
m.HugePagesSurp = &v
m.HugePagesSurp = &val
case "Hugepagesize:":
m.Hugepagesize = &v
m.Hugepagesize = &val
m.HugepagesizeBytes = &valBytes
case "DirectMap4k:":
m.DirectMap4k = &v
m.DirectMap4k = &val
m.DirectMap4kBytes = &valBytes
case "DirectMap2M:":
m.DirectMap2M = &v
m.DirectMap2M = &val
m.DirectMap2MBytes = &valBytes
case "DirectMap1G:":
m.DirectMap1G = &v
m.DirectMap1G = &val
m.DirectMap1GBytes = &valBytes
}
}

10
vendor/github.com/prometheus/procfs/mountinfo.go generated vendored
View File

@@ -78,11 +78,11 @@ func parseMountInfoString(mountString string) (*MountInfo, error) {
mountInfo := strings.Split(mountString, " ")
mountInfoLength := len(mountInfo)
if mountInfoLength < 10 {
return nil, fmt.Errorf("couldn't find enough fields in mount string: %s", mountString)
return nil, fmt.Errorf("%w: Too few fields in mount string: %s", ErrFileParse, mountString)
}
if mountInfo[mountInfoLength-4] != "-" {
return nil, fmt.Errorf("couldn't find separator in expected field: %s", mountInfo[mountInfoLength-4])
return nil, fmt.Errorf("%w: couldn't find separator in expected field: %s", ErrFileParse, mountInfo[mountInfoLength-4])
}
mount := &MountInfo{
@@ -98,18 +98,18 @@ func parseMountInfoString(mountString string) (*MountInfo, error) {
mount.MountID, err = strconv.Atoi(mountInfo[0])
if err != nil {
return nil, fmt.Errorf("failed to parse mount ID")
return nil, fmt.Errorf("%w: mount ID: %q", ErrFileParse, mount.MountID)
}
mount.ParentID, err = strconv.Atoi(mountInfo[1])
if err != nil {
return nil, fmt.Errorf("failed to parse parent ID")
return nil, fmt.Errorf("%w: parent ID: %q", ErrFileParse, mount.ParentID)
}
// Has optional fields, which is a space separated list of values.
// Example: shared:2 master:7
if mountInfo[6] != "" {
mount.OptionalFields, err = mountOptionsParseOptionalFields(mountInfo[6 : mountInfoLength-4])
if err != nil {
return nil, err
return nil, fmt.Errorf("%s: %w", ErrFileParse, err)
}
}
return mount, nil

111
vendor/github.com/prometheus/procfs/mountstats.go generated vendored
View File

@@ -44,6 +44,14 @@ const (
fieldTransport11TCPLen = 13
fieldTransport11UDPLen = 10
// kernel version >= 4.14 MaxLen
// See: https://elixir.bootlin.com/linux/v6.4.8/source/net/sunrpc/xprtrdma/xprt_rdma.h#L393
fieldTransport11RDMAMaxLen = 28
// kernel version <= 4.2 MinLen
// See: https://elixir.bootlin.com/linux/v4.2.8/source/net/sunrpc/xprtrdma/xprt_rdma.h#L331
fieldTransport11RDMAMinLen = 20
)
// A Mount is a device mount parsed from /proc/[pid]/mountstats.
@@ -233,6 +241,33 @@ type NFSTransportStats struct {
// A running counter, incremented on each request as the current size of the
// pending queue.
CumulativePendingQueue uint64
// Stats below only available with stat version 1.1.
// Transport over RDMA
// accessed when sending a call
ReadChunkCount uint64
WriteChunkCount uint64
ReplyChunkCount uint64
TotalRdmaRequest uint64
// rarely accessed error counters
PullupCopyCount uint64
HardwayRegisterCount uint64
FailedMarshalCount uint64
BadReplyCount uint64
MrsRecovered uint64
MrsOrphaned uint64
MrsAllocated uint64
EmptySendctxQ uint64
// accessed when receiving a reply
TotalRdmaReply uint64
FixupCopyCount uint64
ReplyWaitsForSend uint64
LocalInvNeeded uint64
NomsgCallCount uint64
BcallCount uint64
}
// parseMountStats parses a /proc/[pid]/mountstats file and returns a slice
@@ -266,7 +301,7 @@ func parseMountStats(r io.Reader) ([]*Mount, error) {
if len(ss) > deviceEntryLen {
// Only NFSv3 and v4 are supported for parsing statistics
if m.Type != nfs3Type && m.Type != nfs4Type {
return nil, fmt.Errorf("cannot parse MountStats for fstype %q", m.Type)
return nil, fmt.Errorf("%w: Cannot parse MountStats for %q", ErrFileParse, m.Type)
}
statVersion := strings.TrimPrefix(ss[8], statVersionPrefix)
@@ -290,7 +325,7 @@ func parseMountStats(r io.Reader) ([]*Mount, error) {
// device [device] mounted on [mount] with fstype [type]
func parseMount(ss []string) (*Mount, error) {
if len(ss) < deviceEntryLen {
return nil, fmt.Errorf("invalid device entry: %v", ss)
return nil, fmt.Errorf("%w: Invalid device %q", ErrFileParse, ss)
}
// Check for specific words appearing at specific indices to ensure
@@ -308,7 +343,7 @@ func parseMount(ss []string) (*Mount, error) {
for _, f := range format {
if ss[f.i] != f.s {
return nil, fmt.Errorf("invalid device entry: %v", ss)
return nil, fmt.Errorf("%w: Invalid device %q", ErrFileParse, ss)
}
}
@@ -345,7 +380,7 @@ func parseMountStatsNFS(s *bufio.Scanner, statVersion string) (*MountStatsNFS, e
switch ss[0] {
case fieldOpts:
if len(ss) < 2 {
return nil, fmt.Errorf("not enough information for NFS stats: %v", ss)
return nil, fmt.Errorf("%w: Incomplete information for NFS stats: %v", ErrFileParse, ss)
}
if stats.Opts == nil {
stats.Opts = map[string]string{}
@@ -360,7 +395,7 @@ func parseMountStatsNFS(s *bufio.Scanner, statVersion string) (*MountStatsNFS, e
}
case fieldAge:
if len(ss) < 2 {
return nil, fmt.Errorf("not enough information for NFS stats: %v", ss)
return nil, fmt.Errorf("%w: Incomplete information for NFS stats: %v", ErrFileParse, ss)
}
// Age integer is in seconds
d, err := time.ParseDuration(ss[1] + "s")
@@ -371,7 +406,7 @@ func parseMountStatsNFS(s *bufio.Scanner, statVersion string) (*MountStatsNFS, e
stats.Age = d
case fieldBytes:
if len(ss) < 2 {
return nil, fmt.Errorf("not enough information for NFS stats: %v", ss)
return nil, fmt.Errorf("%w: Incomplete information for NFS stats: %v", ErrFileParse, ss)
}
bstats, err := parseNFSBytesStats(ss[1:])
if err != nil {
@@ -381,7 +416,7 @@ func parseMountStatsNFS(s *bufio.Scanner, statVersion string) (*MountStatsNFS, e
stats.Bytes = *bstats
case fieldEvents:
if len(ss) < 2 {
return nil, fmt.Errorf("not enough information for NFS stats: %v", ss)
return nil, fmt.Errorf("%w: Incomplete information for NFS events: %v", ErrFileParse, ss)
}
estats, err := parseNFSEventsStats(ss[1:])
if err != nil {
@@ -391,7 +426,7 @@ func parseMountStatsNFS(s *bufio.Scanner, statVersion string) (*MountStatsNFS, e
stats.Events = *estats
case fieldTransport:
if len(ss) < 3 {
return nil, fmt.Errorf("not enough information for NFS transport stats: %v", ss)
return nil, fmt.Errorf("%w: Incomplete information for NFS transport stats: %v", ErrFileParse, ss)
}
tstats, err := parseNFSTransportStats(ss[1:], statVersion)
@@ -430,7 +465,7 @@ func parseMountStatsNFS(s *bufio.Scanner, statVersion string) (*MountStatsNFS, e
// integer fields.
func parseNFSBytesStats(ss []string) (*NFSBytesStats, error) {
if len(ss) != fieldBytesLen {
return nil, fmt.Errorf("invalid NFS bytes stats: %v", ss)
return nil, fmt.Errorf("%w: Invalid NFS bytes stats: %v", ErrFileParse, ss)
}
ns := make([]uint64, 0, fieldBytesLen)
@@ -459,7 +494,7 @@ func parseNFSBytesStats(ss []string) (*NFSBytesStats, error) {
// integer fields.
func parseNFSEventsStats(ss []string) (*NFSEventsStats, error) {
if len(ss) != fieldEventsLen {
return nil, fmt.Errorf("invalid NFS events stats: %v", ss)
return nil, fmt.Errorf("%w: invalid NFS events stats: %v", ErrFileParse, ss)
}
ns := make([]uint64, 0, fieldEventsLen)
@@ -523,7 +558,7 @@ func parseNFSOperationStats(s *bufio.Scanner) ([]NFSOperationStats, error) {
}
if len(ss) < minFields {
return nil, fmt.Errorf("invalid NFS per-operations stats: %v", ss)
return nil, fmt.Errorf("%w: invalid NFS per-operations stats: %v", ErrFileParse, ss)
}
// Skip string operation name for integers
@@ -576,10 +611,10 @@ func parseNFSTransportStats(ss []string, statVersion string) (*NFSTransportStats
} else if protocol == "udp" {
expectedLength = fieldTransport10UDPLen
} else {
return nil, fmt.Errorf("invalid NFS protocol \"%s\" in stats 1.0 statement: %v", protocol, ss)
return nil, fmt.Errorf("%w: Invalid NFS protocol \"%s\" in stats 1.0 statement: %v", ErrFileParse, protocol, ss)
}
if len(ss) != expectedLength {
return nil, fmt.Errorf("invalid NFS transport stats 1.0 statement: %v", ss)
return nil, fmt.Errorf("%w: Invalid NFS transport stats 1.0 statement: %v", ErrFileParse, ss)
}
case statVersion11:
var expectedLength int
@@ -587,14 +622,17 @@ func parseNFSTransportStats(ss []string, statVersion string) (*NFSTransportStats
expectedLength = fieldTransport11TCPLen
} else if protocol == "udp" {
expectedLength = fieldTransport11UDPLen
} else if protocol == "rdma" {
expectedLength = fieldTransport11RDMAMinLen
} else {
return nil, fmt.Errorf("invalid NFS protocol \"%s\" in stats 1.1 statement: %v", protocol, ss)
return nil, fmt.Errorf("%w: invalid NFS protocol \"%s\" in stats 1.1 statement: %v", ErrFileParse, protocol, ss)
}
if len(ss) != expectedLength {
return nil, fmt.Errorf("invalid NFS transport stats 1.1 statement: %v", ss)
if (len(ss) != expectedLength && (protocol == "tcp" || protocol == "udp")) ||
(protocol == "rdma" && len(ss) < expectedLength) {
return nil, fmt.Errorf("%w: invalid NFS transport stats 1.1 statement: %v, protocol: %v", ErrFileParse, ss, protocol)
}
default:
return nil, fmt.Errorf("unrecognized NFS transport stats version: %q", statVersion)
return nil, fmt.Errorf("%s: Unrecognized NFS transport stats version: %q, protocol: %v", ErrFileParse, statVersion, protocol)
}
// Allocate enough for v1.1 stats since zero value for v1.1 stats will be okay
@@ -604,7 +642,9 @@ func parseNFSTransportStats(ss []string, statVersion string) (*NFSTransportStats
// Note: slice length must be set to length of v1.1 stats to avoid a panic when
// only v1.0 stats are present.
// See: https://github.com/prometheus/node_exporter/issues/571.
ns := make([]uint64, fieldTransport11TCPLen)
//
// Note: NFS Over RDMA slice length is fieldTransport11RDMAMaxLen
ns := make([]uint64, fieldTransport11RDMAMaxLen+3)
for i, s := range ss {
n, err := strconv.ParseUint(s, 10, 64)
if err != nil {
@@ -622,9 +662,14 @@ func parseNFSTransportStats(ss []string, statVersion string) (*NFSTransportStats
// we set them to 0 here.
if protocol == "udp" {
ns = append(ns[:2], append(make([]uint64, 3), ns[2:]...)...)
} else if protocol == "tcp" {
ns = append(ns[:fieldTransport11TCPLen], make([]uint64, fieldTransport11RDMAMaxLen-fieldTransport11TCPLen+3)...)
} else if protocol == "rdma" {
ns = append(ns[:fieldTransport10TCPLen], append(make([]uint64, 3), ns[fieldTransport10TCPLen:]...)...)
}
return &NFSTransportStats{
// NFS xprt over tcp or udp
Protocol: protocol,
Port: ns[0],
Bind: ns[1],
@@ -636,8 +681,32 @@ func parseNFSTransportStats(ss []string, statVersion string) (*NFSTransportStats
BadTransactionIDs: ns[7],
CumulativeActiveRequests: ns[8],
CumulativeBacklog: ns[9],
MaximumRPCSlotsUsed: ns[10],
CumulativeSendingQueue: ns[11],
CumulativePendingQueue: ns[12],
// NFS xprt over tcp or udp
// And statVersion 1.1
MaximumRPCSlotsUsed: ns[10],
CumulativeSendingQueue: ns[11],
CumulativePendingQueue: ns[12],
// NFS xprt over rdma
// And stat Version 1.1
ReadChunkCount: ns[13],
WriteChunkCount: ns[14],
ReplyChunkCount: ns[15],
TotalRdmaRequest: ns[16],
PullupCopyCount: ns[17],
HardwayRegisterCount: ns[18],
FailedMarshalCount: ns[19],
BadReplyCount: ns[20],
MrsRecovered: ns[21],
MrsOrphaned: ns[22],
MrsAllocated: ns[23],
EmptySendctxQ: ns[24],
TotalRdmaReply: ns[25],
FixupCopyCount: ns[26],
ReplyWaitsForSend: ns[27],
LocalInvNeeded: ns[28],
NomsgCallCount: ns[29],
BcallCount: ns[30],
}, nil
}

7
vendor/github.com/prometheus/procfs/net_conntrackstat.go generated vendored
View File

@@ -58,7 +58,7 @@ func readConntrackStat(path string) ([]ConntrackStatEntry, error) {
stat, err := parseConntrackStat(bytes.NewReader(b))
if err != nil {
return nil, fmt.Errorf("failed to read conntrack stats from %q: %w", path, err)
return nil, fmt.Errorf("%s: Cannot read file: %v: %w", ErrFileRead, path, err)
}
return stat, nil
@@ -86,11 +86,12 @@ func parseConntrackStat(r io.Reader) ([]ConntrackStatEntry, error) {
func parseConntrackStatEntry(fields []string) (*ConntrackStatEntry, error) {
entries, err := util.ParseHexUint64s(fields)
if err != nil {
return nil, fmt.Errorf("invalid conntrackstat entry, couldn't parse fields: %s", err)
return nil, fmt.Errorf("%s: Cannot parse entry: %d: %w", ErrFileParse, entries, err)
}
numEntries := len(entries)
if numEntries < 16 || numEntries > 17 {
return nil, fmt.Errorf("invalid conntrackstat entry, invalid number of fields: %d", numEntries)
return nil,
fmt.Errorf("%w: invalid conntrackstat entry, invalid number of fields: %d", ErrFileParse, numEntries)
}
stats := &ConntrackStatEntry{

58
vendor/github.com/prometheus/procfs/net_ip_socket.go generated vendored
View File

@@ -50,10 +50,13 @@ type (
// UsedSockets shows the total number of parsed lines representing the
// number of used sockets.
UsedSockets uint64
// Drops shows the total number of dropped packets of all UPD sockets.
Drops *uint64
}
// netIPSocketLine represents the fields parsed from a single line
// in /proc/net/{t,u}dp{,6}. Fields which are not used by IPSocket are skipped.
// Drops is non-nil for udp{,6}, but nil for tcp{,6}.
// For the proc file format details, see https://linux.die.net/man/5/proc.
netIPSocketLine struct {
Sl uint64
@@ -66,6 +69,7 @@ type (
RxQueue uint64
UID uint64
Inode uint64
Drops *uint64
}
)
@@ -77,13 +81,14 @@ func newNetIPSocket(file string) (NetIPSocket, error) {
defer f.Close()
var netIPSocket NetIPSocket
isUDP := strings.Contains(file, "udp")
lr := io.LimitReader(f, readLimit)
s := bufio.NewScanner(lr)
s.Scan() // skip first line with headers
for s.Scan() {
fields := strings.Fields(s.Text())
line, err := parseNetIPSocketLine(fields)
line, err := parseNetIPSocketLine(fields, isUDP)
if err != nil {
return nil, err
}
@@ -104,19 +109,25 @@ func newNetIPSocketSummary(file string) (*NetIPSocketSummary, error) {
defer f.Close()
var netIPSocketSummary NetIPSocketSummary
var udpPacketDrops uint64
isUDP := strings.Contains(file, "udp")
lr := io.LimitReader(f, readLimit)
s := bufio.NewScanner(lr)
s.Scan() // skip first line with headers
for s.Scan() {
fields := strings.Fields(s.Text())
line, err := parseNetIPSocketLine(fields)
line, err := parseNetIPSocketLine(fields, isUDP)
if err != nil {
return nil, err
}
netIPSocketSummary.TxQueueLength += line.TxQueue
netIPSocketSummary.RxQueueLength += line.RxQueue
netIPSocketSummary.UsedSockets++
if isUDP {
udpPacketDrops += *line.Drops
netIPSocketSummary.Drops = &udpPacketDrops
}
}
if err := s.Err(); err != nil {
return nil, err
@@ -130,7 +141,7 @@ func parseIP(hexIP string) (net.IP, error) {
var byteIP []byte
byteIP, err := hex.DecodeString(hexIP)
if err != nil {
return nil, fmt.Errorf("cannot parse address field in socket line %q", hexIP)
return nil, fmt.Errorf("%s: Cannot parse socket field in %q: %w", ErrFileParse, hexIP, err)
}
switch len(byteIP) {
case 4:
@@ -144,16 +155,17 @@ func parseIP(hexIP string) (net.IP, error) {
}
return i, nil
default:
return nil, fmt.Errorf("Unable to parse IP %s", hexIP)
return nil, fmt.Errorf("%s: Unable to parse IP %s: %w", ErrFileParse, hexIP, nil)
}
}
// parseNetIPSocketLine parses a single line, represented by a list of fields.
func parseNetIPSocketLine(fields []string) (*netIPSocketLine, error) {
func parseNetIPSocketLine(fields []string, isUDP bool) (*netIPSocketLine, error) {
line := &netIPSocketLine{}
if len(fields) < 10 {
return nil, fmt.Errorf(
"cannot parse net socket line as it has less then 10 columns %q",
"%w: Less than 10 columns found %q",
ErrFileParse,
strings.Join(fields, " "),
)
}
@@ -162,64 +174,74 @@ func parseNetIPSocketLine(fields []string) (*netIPSocketLine, error) {
// sl
s := strings.Split(fields[0], ":")
if len(s) != 2 {
return nil, fmt.Errorf("cannot parse sl field in socket line %q", fields[0])
return nil, fmt.Errorf("%w: Unable to parse sl field in line %q", ErrFileParse, fields[0])
}
if line.Sl, err = strconv.ParseUint(s[0], 0, 64); err != nil {
return nil, fmt.Errorf("cannot parse sl value in socket line: %w", err)
return nil, fmt.Errorf("%s: Unable to parse sl field in %q: %w", ErrFileParse, line.Sl, err)
}
// local_address
l := strings.Split(fields[1], ":")
if len(l) != 2 {
return nil, fmt.Errorf("cannot parse local_address field in socket line %q", fields[1])
return nil, fmt.Errorf("%w: Unable to parse local_address field in %q", ErrFileParse, fields[1])
}
if line.LocalAddr, err = parseIP(l[0]); err != nil {
return nil, err
}
if line.LocalPort, err = strconv.ParseUint(l[1], 16, 64); err != nil {
return nil, fmt.Errorf("cannot parse local_address port value in socket line: %w", err)
return nil, fmt.Errorf("%s: Unable to parse local_address port value line %q: %w", ErrFileParse, line.LocalPort, err)
}
// remote_address
r := strings.Split(fields[2], ":")
if len(r) != 2 {
return nil, fmt.Errorf("cannot parse rem_address field in socket line %q", fields[1])
return nil, fmt.Errorf("%w: Unable to parse rem_address field in %q", ErrFileParse, fields[1])
}
if line.RemAddr, err = parseIP(r[0]); err != nil {
return nil, err
}
if line.RemPort, err = strconv.ParseUint(r[1], 16, 64); err != nil {
return nil, fmt.Errorf("cannot parse rem_address port value in socket line: %w", err)
return nil, fmt.Errorf("%s: Cannot parse rem_address port value in %q: %w", ErrFileParse, line.RemPort, err)
}
// st
if line.St, err = strconv.ParseUint(fields[3], 16, 64); err != nil {
return nil, fmt.Errorf("cannot parse st value in socket line: %w", err)
return nil, fmt.Errorf("%s: Cannot parse st value in %q: %w", ErrFileParse, line.St, err)
}
// tx_queue and rx_queue
q := strings.Split(fields[4], ":")
if len(q) != 2 {
return nil, fmt.Errorf(
"cannot parse tx/rx queues in socket line as it has a missing colon %q",
"%w: Missing colon for tx/rx queues in socket line %q",
ErrFileParse,
fields[4],
)
}
if line.TxQueue, err = strconv.ParseUint(q[0], 16, 64); err != nil {
return nil, fmt.Errorf("cannot parse tx_queue value in socket line: %w", err)
return nil, fmt.Errorf("%s: Cannot parse tx_queue value in %q: %w", ErrFileParse, line.TxQueue, err)
}
if line.RxQueue, err = strconv.ParseUint(q[1], 16, 64); err != nil {
return nil, fmt.Errorf("cannot parse rx_queue value in socket line: %w", err)
return nil, fmt.Errorf("%s: Cannot parse trx_queue value in %q: %w", ErrFileParse, line.RxQueue, err)
}
// uid
if line.UID, err = strconv.ParseUint(fields[7], 0, 64); err != nil {
return nil, fmt.Errorf("cannot parse uid value in socket line: %w", err)
return nil, fmt.Errorf("%s: Cannot parse UID value in %q: %w", ErrFileParse, line.UID, err)
}
// inode
if line.Inode, err = strconv.ParseUint(fields[9], 0, 64); err != nil {
return nil, fmt.Errorf("cannot parse inode value in socket line: %w", err)
return nil, fmt.Errorf("%s: Cannot parse inode value in %q: %w", ErrFileParse, line.Inode, err)
}
// drops
if isUDP {
drops, err := strconv.ParseUint(fields[12], 0, 64)
if err != nil {
return nil, fmt.Errorf("%s: Cannot parse drops value in %q: %w", ErrFileParse, drops, err)
}
line.Drops = &drops
}
return line, nil

4
vendor/github.com/prometheus/procfs/net_protocols.go generated vendored
View File

@@ -131,7 +131,7 @@ func (ps NetProtocolStats) parseLine(rawLine string) (*NetProtocolStatLine, erro
} else if fields[6] == disabled {
line.Slab = false
} else {
return nil, fmt.Errorf("unable to parse capability for protocol: %s", line.Name)
return nil, fmt.Errorf("%w: capability for protocol: %s", ErrFileParse, line.Name)
}
line.ModuleName = fields[7]
@@ -173,7 +173,7 @@ func (pc *NetProtocolCapabilities) parseCapabilities(capabilities []string) erro
} else if capabilities[i] == "n" {
*capabilityFields[i] = false
} else {
return fmt.Errorf("unable to parse capability block for protocol: position %d", i)
return fmt.Errorf("%w: capability block for protocol: position %d", ErrFileParse, i)
}
}
return nil

143
vendor/github.com/prometheus/procfs/net_route.go generated vendored Normal file
View File

@@ -0,0 +1,143 @@
// Copyright 2023 The Prometheus Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package procfs
import (
"bufio"
"bytes"
"fmt"
"io"
"strconv"
"strings"
"github.com/prometheus/procfs/internal/util"
)
const (
blackholeRepresentation string = "*"
blackholeIfaceName string = "blackhole"
routeLineColumns int = 11
)
// A NetRouteLine represents one line from net/route.
type NetRouteLine struct {
Iface string
Destination uint32
Gateway uint32
Flags uint32
RefCnt uint32
Use uint32
Metric uint32
Mask uint32
MTU uint32
Window uint32
IRTT uint32
}
func (fs FS) NetRoute() ([]NetRouteLine, error) {
return readNetRoute(fs.proc.Path("net", "route"))
}
func readNetRoute(path string) ([]NetRouteLine, error) {
b, err := util.ReadFileNoStat(path)
if err != nil {
return nil, err
}
routelines, err := parseNetRoute(bytes.NewReader(b))
if err != nil {
return nil, fmt.Errorf("failed to read net route from %s: %w", path, err)
}
return routelines, nil
}
func parseNetRoute(r io.Reader) ([]NetRouteLine, error) {
var routelines []NetRouteLine
scanner := bufio.NewScanner(r)
scanner.Scan()
for scanner.Scan() {
fields := strings.Fields(scanner.Text())
routeline, err := parseNetRouteLine(fields)
if err != nil {
return nil, err
}
routelines = append(routelines, *routeline)
}
return routelines, nil
}
func parseNetRouteLine(fields []string) (*NetRouteLine, error) {
if len(fields) != routeLineColumns {
return nil, fmt.Errorf("invalid routeline, num of digits: %d", len(fields))
}
iface := fields[0]
if iface == blackholeRepresentation {
iface = blackholeIfaceName
}
destination, err := strconv.ParseUint(fields[1], 16, 32)
if err != nil {
return nil, err
}
gateway, err := strconv.ParseUint(fields[2], 16, 32)
if err != nil {
return nil, err
}
flags, err := strconv.ParseUint(fields[3], 10, 32)
if err != nil {
return nil, err
}
refcnt, err := strconv.ParseUint(fields[4], 10, 32)
if err != nil {
return nil, err
}
use, err := strconv.ParseUint(fields[5], 10, 32)
if err != nil {
return nil, err
}
metric, err := strconv.ParseUint(fields[6], 10, 32)
if err != nil {
return nil, err
}
mask, err := strconv.ParseUint(fields[7], 16, 32)
if err != nil {
return nil, err
}
mtu, err := strconv.ParseUint(fields[8], 10, 32)
if err != nil {
return nil, err
}
window, err := strconv.ParseUint(fields[9], 10, 32)
if err != nil {
return nil, err
}
irtt, err := strconv.ParseUint(fields[10], 10, 32)
if err != nil {
return nil, err
}
routeline := &NetRouteLine{
Iface: iface,
Destination: uint32(destination),
Gateway: uint32(gateway),
Flags: uint32(flags),
RefCnt: uint32(refcnt),
Use: uint32(use),
Metric: uint32(metric),
Mask: uint32(mask),
MTU: uint32(mtu),
Window: uint32(window),
IRTT: uint32(irtt),
}
return routeline, nil
}

9
vendor/github.com/prometheus/procfs/net_sockstat.go generated vendored
View File

@@ -16,7 +16,6 @@ package procfs
import (
"bufio"
"bytes"
"errors"
"fmt"
"io"
"strings"
@@ -70,7 +69,7 @@ func readSockstat(name string) (*NetSockstat, error) {
stat, err := parseSockstat(bytes.NewReader(b))
if err != nil {
return nil, fmt.Errorf("failed to read sockstats from %q: %w", name, err)
return nil, fmt.Errorf("%s: sockstats from %q: %w", ErrFileRead, name, err)
}
return stat, nil
@@ -84,13 +83,13 @@ func parseSockstat(r io.Reader) (*NetSockstat, error) {
// Expect a minimum of a protocol and one key/value pair.
fields := strings.Split(s.Text(), " ")
if len(fields) < 3 {
return nil, fmt.Errorf("malformed sockstat line: %q", s.Text())
return nil, fmt.Errorf("%w: Malformed sockstat line: %q", ErrFileParse, s.Text())
}
// The remaining fields are key/value pairs.
kvs, err := parseSockstatKVs(fields[1:])
if err != nil {
return nil, fmt.Errorf("error parsing sockstat key/value pairs from %q: %w", s.Text(), err)
return nil, fmt.Errorf("%s: sockstat key/value pairs from %q: %w", ErrFileParse, s.Text(), err)
}
// The first field is the protocol. We must trim its colon suffix.
@@ -119,7 +118,7 @@ func parseSockstat(r io.Reader) (*NetSockstat, error) {
// parseSockstatKVs parses a string slice into a map of key/value pairs.
func parseSockstatKVs(kvs []string) (map[string]int, error) {
if len(kvs)%2 != 0 {
return nil, errors.New("odd number of fields in key/value pairs")
return nil, fmt.Errorf("%w:: Odd number of fields in key/value pairs %q", ErrFileParse, kvs)
}
// Iterate two values at a time to gather key/value pairs.

4
vendor/github.com/prometheus/procfs/net_softnet.go generated vendored
View File

@@ -64,7 +64,7 @@ func (fs FS) NetSoftnetStat() ([]SoftnetStat, error) {
entries, err := parseSoftnet(bytes.NewReader(b))
if err != nil {
return nil, fmt.Errorf("failed to parse /proc/net/softnet_stat: %w", err)
return nil, fmt.Errorf("%s: /proc/net/softnet_stat: %w", ErrFileParse, err)
}
return entries, nil
@@ -83,7 +83,7 @@ func parseSoftnet(r io.Reader) ([]SoftnetStat, error) {
softnetStat := SoftnetStat{}
if width < minColumns {
return nil, fmt.Errorf("%d columns were detected, but at least %d were expected", width, minColumns)
return nil, fmt.Errorf("%w: detected %d columns, but expected at least %d", ErrFileParse, width, minColumns)
}
// Linux 2.6.23 https://elixir.bootlin.com/linux/v2.6.23/source/net/core/dev.c#L2347

119
vendor/github.com/prometheus/procfs/net_tls_stat.go generated vendored Normal file
View File

@@ -0,0 +1,119 @@
// Copyright 2023 Prometheus Team
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package procfs
import (
"bufio"
"fmt"
"os"
"strconv"
"strings"
)
// TLSStat struct represents data in /proc/net/tls_stat.
// See https://docs.kernel.org/networking/tls.html#statistics
type TLSStat struct {
// number of TX sessions currently installed where host handles cryptography
TLSCurrTxSw int
// number of RX sessions currently installed where host handles cryptography
TLSCurrRxSw int
// number of TX sessions currently installed where NIC handles cryptography
TLSCurrTxDevice int
// number of RX sessions currently installed where NIC handles cryptography
TLSCurrRxDevice int
//number of TX sessions opened with host cryptography
TLSTxSw int
//number of RX sessions opened with host cryptography
TLSRxSw int
// number of TX sessions opened with NIC cryptography
TLSTxDevice int
// number of RX sessions opened with NIC cryptography
TLSRxDevice int
// record decryption failed (e.g. due to incorrect authentication tag)
TLSDecryptError int
// number of RX resyncs sent to NICs handling cryptography
TLSRxDeviceResync int
// number of RX records which had to be re-decrypted due to TLS_RX_EXPECT_NO_PAD mis-prediction. Note that this counter will also increment for non-data records.
TLSDecryptRetry int
// number of data RX records which had to be re-decrypted due to TLS_RX_EXPECT_NO_PAD mis-prediction.
TLSRxNoPadViolation int
}
// NewTLSStat reads the tls_stat statistics.
func NewTLSStat() (TLSStat, error) {
fs, err := NewFS(DefaultMountPoint)
if err != nil {
return TLSStat{}, err
}
return fs.NewTLSStat()
}
// NewTLSStat reads the tls_stat statistics.
func (fs FS) NewTLSStat() (TLSStat, error) {
file, err := os.Open(fs.proc.Path("net/tls_stat"))
if err != nil {
return TLSStat{}, err
}
defer file.Close()
var (
tlsstat = TLSStat{}
s = bufio.NewScanner(file)
)
for s.Scan() {
fields := strings.Fields(s.Text())
if len(fields) != 2 {
return TLSStat{}, fmt.Errorf("%w: %q line %q", ErrFileParse, file.Name(), s.Text())
}
name := fields[0]
value, err := strconv.Atoi(fields[1])
if err != nil {
return TLSStat{}, err
}
switch name {
case "TlsCurrTxSw":
tlsstat.TLSCurrTxSw = value
case "TlsCurrRxSw":
tlsstat.TLSCurrRxSw = value
case "TlsCurrTxDevice":
tlsstat.TLSCurrTxDevice = value
case "TlsCurrRxDevice":
tlsstat.TLSCurrRxDevice = value
case "TlsTxSw":
tlsstat.TLSTxSw = value
case "TlsRxSw":
tlsstat.TLSRxSw = value
case "TlsTxDevice":
tlsstat.TLSTxDevice = value
case "TlsRxDevice":
tlsstat.TLSRxDevice = value
case "TlsDecryptError":
tlsstat.TLSDecryptError = value
case "TlsRxDeviceResync":
tlsstat.TLSRxDeviceResync = value
case "TlsDecryptRetry":
tlsstat.TLSDecryptRetry = value
case "TlsRxNoPadViolation":
tlsstat.TLSRxNoPadViolation = value
}
}
return tlsstat, s.Err()
}

16
vendor/github.com/prometheus/procfs/net_unix.go generated vendored
View File

@@ -108,14 +108,14 @@ func parseNetUNIX(r io.Reader) (*NetUNIX, error) {
line := s.Text()
item, err := nu.parseLine(line, hasInode, minFields)
if err != nil {
return nil, fmt.Errorf("failed to parse /proc/net/unix data %q: %w", line, err)
return nil, fmt.Errorf("%s: /proc/net/unix encountered data %q: %w", ErrFileParse, line, err)
}
nu.Rows = append(nu.Rows, item)
}
if err := s.Err(); err != nil {
return nil, fmt.Errorf("failed to scan /proc/net/unix data: %w", err)
return nil, fmt.Errorf("%s: /proc/net/unix encountered data: %w", ErrFileParse, err)
}
return &nu, nil
@@ -126,7 +126,7 @@ func (u *NetUNIX) parseLine(line string, hasInode bool, min int) (*NetUNIXLine,
l := len(fields)
if l < min {
return nil, fmt.Errorf("expected at least %d fields but got %d", min, l)
return nil, fmt.Errorf("%w: expected at least %d fields but got %d", ErrFileParse, min, l)
}
// Field offsets are as follows:
@@ -136,29 +136,29 @@ func (u *NetUNIX) parseLine(line string, hasInode bool, min int) (*NetUNIXLine,
users, err := u.parseUsers(fields[1])
if err != nil {
return nil, fmt.Errorf("failed to parse ref count %q: %w", fields[1], err)
return nil, fmt.Errorf("%s: ref count %q: %w", ErrFileParse, fields[1], err)
}
flags, err := u.parseFlags(fields[3])
if err != nil {
return nil, fmt.Errorf("failed to parse flags %q: %w", fields[3], err)
return nil, fmt.Errorf("%s: Unable to parse flags %q: %w", ErrFileParse, fields[3], err)
}
typ, err := u.parseType(fields[4])
if err != nil {
return nil, fmt.Errorf("failed to parse type %q: %w", fields[4], err)
return nil, fmt.Errorf("%s: Failed to parse type %q: %w", ErrFileParse, fields[4], err)
}
state, err := u.parseState(fields[5])
if err != nil {
return nil, fmt.Errorf("failed to parse state %q: %w", fields[5], err)
return nil, fmt.Errorf("%s: Failed to parse state %q: %w", ErrFileParse, fields[5], err)
}
var inode uint64
if hasInode {
inode, err = u.parseInode(fields[6])
if err != nil {
return nil, fmt.Errorf("failed to parse inode %q: %w", fields[6], err)
return nil, fmt.Errorf("%s failed to parse inode %q: %w", ErrFileParse, fields[6], err)
}
}

28
vendor/github.com/prometheus/procfs/net_wireless.go generated vendored
View File

@@ -68,7 +68,7 @@ func (fs FS) Wireless() ([]*Wireless, error) {
m, err := parseWireless(bytes.NewReader(b))
if err != nil {
return nil, fmt.Errorf("failed to parse wireless: %w", err)
return nil, fmt.Errorf("%s: wireless: %w", ErrFileParse, err)
}
return m, nil
@@ -97,64 +97,64 @@ func parseWireless(r io.Reader) ([]*Wireless, error) {
parts := strings.Split(line, ":")
if len(parts) != 2 {
return nil, fmt.Errorf("expected 2 parts after splitting line by ':', got %d for line %q", len(parts), line)
return nil, fmt.Errorf("%w: expected 2 parts after splitting line by ':', got %d for line %q", ErrFileParse, len(parts), line)
}
name := strings.TrimSpace(parts[0])
stats := strings.Fields(parts[1])
if len(stats) < 10 {
return nil, fmt.Errorf("invalid number of fields in line %d, expected at least 10, got %d: %q", n, len(stats), line)
return nil, fmt.Errorf("%w: invalid number of fields in line %d, expected 10+, got %d: %q", ErrFileParse, n, len(stats), line)
}
status, err := strconv.ParseUint(stats[0], 16, 16)
if err != nil {
return nil, fmt.Errorf("invalid status in line %d: %q", n, line)
return nil, fmt.Errorf("%w: invalid status in line %d: %q", ErrFileParse, n, line)
}
qlink, err := strconv.Atoi(strings.TrimSuffix(stats[1], "."))
if err != nil {
return nil, fmt.Errorf("failed to parse Quality:link as integer %q: %w", qlink, err)
return nil, fmt.Errorf("%s: parse Quality:link as integer %q: %w", ErrFileParse, qlink, err)
}
qlevel, err := strconv.Atoi(strings.TrimSuffix(stats[2], "."))
if err != nil {
return nil, fmt.Errorf("failed to parse Quality:level as integer %q: %w", qlevel, err)
return nil, fmt.Errorf("%s: Quality:level as integer %q: %w", ErrFileParse, qlevel, err)
}
qnoise, err := strconv.Atoi(strings.TrimSuffix(stats[3], "."))
if err != nil {
return nil, fmt.Errorf("failed to parse Quality:noise as integer %q: %w", qnoise, err)
return nil, fmt.Errorf("%s: Quality:noise as integer %q: %w", ErrFileParse, qnoise, err)
}
dnwid, err := strconv.Atoi(stats[4])
if err != nil {
return nil, fmt.Errorf("failed to parse Discarded:nwid as integer %q: %w", dnwid, err)
return nil, fmt.Errorf("%s: Discarded:nwid as integer %q: %w", ErrFileParse, dnwid, err)
}
dcrypt, err := strconv.Atoi(stats[5])
if err != nil {
return nil, fmt.Errorf("failed to parse Discarded:crypt as integer %q: %w", dcrypt, err)
return nil, fmt.Errorf("%s: Discarded:crypt as integer %q: %w", ErrFileParse, dcrypt, err)
}
dfrag, err := strconv.Atoi(stats[6])
if err != nil {
return nil, fmt.Errorf("failed to parse Discarded:frag as integer %q: %w", dfrag, err)
return nil, fmt.Errorf("%s: Discarded:frag as integer %q: %w", ErrFileParse, dfrag, err)
}
dretry, err := strconv.Atoi(stats[7])
if err != nil {
return nil, fmt.Errorf("failed to parse Discarded:retry as integer %q: %w", dretry, err)
return nil, fmt.Errorf("%s: Discarded:retry as integer %q: %w", ErrFileParse, dretry, err)
}
dmisc, err := strconv.Atoi(stats[8])
if err != nil {
return nil, fmt.Errorf("failed to parse Discarded:misc as integer %q: %w", dmisc, err)
return nil, fmt.Errorf("%s: Discarded:misc as integer %q: %w", ErrFileParse, dmisc, err)
}
mbeacon, err := strconv.Atoi(stats[9])
if err != nil {
return nil, fmt.Errorf("failed to parse Missed:beacon as integer %q: %w", mbeacon, err)
return nil, fmt.Errorf("%s: Missed:beacon as integer %q: %w", ErrFileParse, mbeacon, err)
}
w := &Wireless{
@@ -175,7 +175,7 @@ func parseWireless(r io.Reader) ([]*Wireless, error) {
}
if err := scanner.Err(); err != nil {
return nil, fmt.Errorf("failed to scan /proc/net/wireless: %w", err)
return nil, fmt.Errorf("%s: Failed to scan /proc/net/wireless: %w", ErrFileRead, err)
}
return interfaces, nil

2
vendor/github.com/prometheus/procfs/net_xfrm.go generated vendored
View File

@@ -115,7 +115,7 @@ func (fs FS) NewXfrmStat() (XfrmStat, error) {
fields := strings.Fields(s.Text())
if len(fields) != 2 {
return XfrmStat{}, fmt.Errorf("couldn't parse %q line %q", file.Name(), s.Text())
return XfrmStat{}, fmt.Errorf("%w: %q line %q", ErrFileParse, file.Name(), s.Text())
}
name := fields[0]

17
vendor/github.com/prometheus/procfs/proc.go generated vendored
View File

@@ -15,6 +15,7 @@ package procfs
import (
"bytes"
"errors"
"fmt"
"io"
"os"
@@ -35,6 +36,12 @@ type Proc struct {
// Procs represents a list of Proc structs.
type Procs []Proc
var (
ErrFileParse = errors.New("Error Parsing File")
ErrFileRead = errors.New("Error Reading File")
ErrMountPoint = errors.New("Error Accessing Mount point")
)
func (p Procs) Len() int { return len(p) }
func (p Procs) Swap(i, j int) { p[i], p[j] = p[j], p[i] }
func (p Procs) Less(i, j int) bool { return p[i].PID < p[j].PID }
@@ -42,7 +49,7 @@ func (p Procs) Less(i, j int) bool { return p[i].PID < p[j].PID }
// Self returns a process for the current process read via /proc/self.
func Self() (Proc, error) {
fs, err := NewFS(DefaultMountPoint)
if err != nil {
if err != nil || errors.Unwrap(err) == ErrMountPoint {
return Proc{}, err
}
return fs.Self()
@@ -104,7 +111,7 @@ func (fs FS) AllProcs() (Procs, error) {
names, err := d.Readdirnames(-1)
if err != nil {
return Procs{}, fmt.Errorf("could not read %q: %w", d.Name(), err)
return Procs{}, fmt.Errorf("%s: Cannot read file: %v: %w", ErrFileRead, names, err)
}
p := Procs{}
@@ -205,7 +212,7 @@ func (p Proc) FileDescriptors() ([]uintptr, error) {
for i, n := range names {
fd, err := strconv.ParseInt(n, 10, 32)
if err != nil {
return nil, fmt.Errorf("could not parse fd %q: %w", n, err)
return nil, fmt.Errorf("%s: Cannot parse line: %v: %w", ErrFileParse, i, err)
}
fds[i] = uintptr(fd)
}
@@ -237,7 +244,7 @@ func (p Proc) FileDescriptorTargets() ([]string, error) {
// a process.
func (p Proc) FileDescriptorsLen() (int, error) {
// Use fast path if available (Linux v6.2): https://github.com/torvalds/linux/commit/f1f1f2569901
if p.fs.real {
if p.fs.isReal {
stat, err := os.Stat(p.path("fd"))
if err != nil {
return 0, err
@@ -290,7 +297,7 @@ func (p Proc) fileDescriptors() ([]string, error) {
names, err := d.Readdirnames(-1)
if err != nil {
return nil, fmt.Errorf("could not read %q: %w", d.Name(), err)
return nil, fmt.Errorf("%s: Cannot read file: %v: %w", ErrFileRead, names, err)
}
return names, nil

4
vendor/github.com/prometheus/procfs/proc_cgroup.go generated vendored
View File

@@ -51,7 +51,7 @@ func parseCgroupString(cgroupStr string) (*Cgroup, error) {
fields := strings.SplitN(cgroupStr, ":", 3)
if len(fields) < 3 {
return nil, fmt.Errorf("at least 3 fields required, found %d fields in cgroup string: %s", len(fields), cgroupStr)
return nil, fmt.Errorf("%w: 3+ fields required, found %d fields in cgroup string: %s", ErrFileParse, len(fields), cgroupStr)
}
cgroup := &Cgroup{
@@ -60,7 +60,7 @@ func parseCgroupString(cgroupStr string) (*Cgroup, error) {
}
cgroup.HierarchyID, err = strconv.Atoi(fields[0])
if err != nil {
return nil, fmt.Errorf("failed to parse hierarchy ID")
return nil, fmt.Errorf("%w: hierarchy ID: %q", ErrFileParse, cgroup.HierarchyID)
}
if fields[1] != "" {
ssNames := strings.Split(fields[1], ",")

8
vendor/github.com/prometheus/procfs/proc_cgroups.go generated vendored
View File

@@ -46,7 +46,7 @@ func parseCgroupSummaryString(CgroupSummaryStr string) (*CgroupSummary, error) {
fields := strings.Fields(CgroupSummaryStr)
// require at least 4 fields
if len(fields) < 4 {
return nil, fmt.Errorf("at least 4 fields required, found %d fields in cgroup info string: %s", len(fields), CgroupSummaryStr)
return nil, fmt.Errorf("%w: 4+ fields required, found %d fields in cgroup info string: %s", ErrFileParse, len(fields), CgroupSummaryStr)
}
CgroupSummary := &CgroupSummary{
@@ -54,15 +54,15 @@ func parseCgroupSummaryString(CgroupSummaryStr string) (*CgroupSummary, error) {
}
CgroupSummary.Hierarchy, err = strconv.Atoi(fields[1])
if err != nil {
return nil, fmt.Errorf("failed to parse hierarchy ID")
return nil, fmt.Errorf("%w: Unable to parse hierarchy ID from %q", ErrFileParse, fields[1])
}
CgroupSummary.Cgroups, err = strconv.Atoi(fields[2])
if err != nil {
return nil, fmt.Errorf("failed to parse Cgroup Num")
return nil, fmt.Errorf("%w: Unable to parse Cgroup Num from %q", ErrFileParse, fields[2])
}
CgroupSummary.Enabled, err = strconv.Atoi(fields[3])
if err != nil {
return nil, fmt.Errorf("failed to parse Enabled")
return nil, fmt.Errorf("%w: Unable to parse Enabled from %q", ErrFileParse, fields[3])
}
return CgroupSummary, nil
}

10
vendor/github.com/prometheus/procfs/proc_fdinfo.go generated vendored
View File

@@ -26,6 +26,7 @@ var (
rPos = regexp.MustCompile(`^pos:\s+(\d+)$`)
rFlags = regexp.MustCompile(`^flags:\s+(\d+)$`)
rMntID = regexp.MustCompile(`^mnt_id:\s+(\d+)$`)
rIno = regexp.MustCompile(`^ino:\s+(\d+)$`)
rInotify = regexp.MustCompile(`^inotify`)
rInotifyParts = regexp.MustCompile(`^inotify\s+wd:([0-9a-f]+)\s+ino:([0-9a-f]+)\s+sdev:([0-9a-f]+)(?:\s+mask:([0-9a-f]+))?`)
)
@@ -40,6 +41,8 @@ type ProcFDInfo struct {
Flags string
// Mount point ID
MntID string
// Inode number
Ino string
// List of inotify lines (structured) in the fdinfo file (kernel 3.8+ only)
InotifyInfos []InotifyInfo
}
@@ -51,7 +54,7 @@ func (p Proc) FDInfo(fd string) (*ProcFDInfo, error) {
return nil, err
}
var text, pos, flags, mntid string
var text, pos, flags, mntid, ino string
var inotify []InotifyInfo
scanner := bufio.NewScanner(bytes.NewReader(data))
@@ -63,6 +66,8 @@ func (p Proc) FDInfo(fd string) (*ProcFDInfo, error) {
flags = rFlags.FindStringSubmatch(text)[1]
} else if rMntID.MatchString(text) {
mntid = rMntID.FindStringSubmatch(text)[1]
} else if rIno.MatchString(text) {
ino = rIno.FindStringSubmatch(text)[1]
} else if rInotify.MatchString(text) {
newInotify, err := parseInotifyInfo(text)
if err != nil {
@@ -77,6 +82,7 @@ func (p Proc) FDInfo(fd string) (*ProcFDInfo, error) {
Pos: pos,
Flags: flags,
MntID: mntid,
Ino: ino,
InotifyInfos: inotify,
}
@@ -111,7 +117,7 @@ func parseInotifyInfo(line string) (*InotifyInfo, error) {
}
return i, nil
}
return nil, fmt.Errorf("invalid inode entry: %q", line)
return nil, fmt.Errorf("%w: invalid inode entry: %q", ErrFileParse, line)
}
// ProcFDInfos represents a list of ProcFDInfo structs.

2
vendor/github.com/prometheus/procfs/proc_interrupts.go generated vendored
View File

@@ -66,7 +66,7 @@ func parseInterrupts(r io.Reader) (Interrupts, error) {
continue
}
if len(parts) < 2 {
return nil, fmt.Errorf("not enough fields in interrupts (expected at least 2 fields but got %d): %s", len(parts), parts)
return nil, fmt.Errorf("%w: Not enough fields in interrupts (expected 2+ fields but got %d): %s", ErrFileParse, len(parts), parts)
}
intName := parts[0][:len(parts[0])-1] // remove trailing :

4
vendor/github.com/prometheus/procfs/proc_limits.go generated vendored
View File

@@ -103,7 +103,7 @@ func (p Proc) Limits() (ProcLimits, error) {
//fields := limitsMatch.Split(s.Text(), limitsFields)
fields := limitsMatch.FindStringSubmatch(s.Text())
if len(fields) != limitsFields {
return ProcLimits{}, fmt.Errorf("couldn't parse %q line %q", f.Name(), s.Text())
return ProcLimits{}, fmt.Errorf("%w: couldn't parse %q line %q", ErrFileParse, f.Name(), s.Text())
}
switch fields[1] {
@@ -154,7 +154,7 @@ func parseUint(s string) (uint64, error) {
}
i, err := strconv.ParseUint(s, 10, 64)
if err != nil {
return 0, fmt.Errorf("couldn't parse value %q: %w", s, err)
return 0, fmt.Errorf("%s: couldn't parse value %q: %w", ErrFileParse, s, err)
}
return i, nil
}

24
vendor/github.com/prometheus/procfs/proc_maps.go generated vendored
View File

@@ -63,17 +63,17 @@ type ProcMap struct {
// parseDevice parses the device token of a line and converts it to a dev_t
// (mkdev) like structure.
func parseDevice(s string) (uint64, error) {
toks := strings.Split(s, ":")
if len(toks) < 2 {
return 0, fmt.Errorf("unexpected number of fields")
i := strings.Index(s, ":")
if i == -1 {
return 0, fmt.Errorf("%w: expected separator `:` in %s", ErrFileParse, s)
}
major, err := strconv.ParseUint(toks[0], 16, 0)
major, err := strconv.ParseUint(s[0:i], 16, 0)
if err != nil {
return 0, err
}
minor, err := strconv.ParseUint(toks[1], 16, 0)
minor, err := strconv.ParseUint(s[i+1:], 16, 0)
if err != nil {
return 0, err
}
@@ -93,17 +93,17 @@ func parseAddress(s string) (uintptr, error) {
// parseAddresses parses the start-end address.
func parseAddresses(s string) (uintptr, uintptr, error) {
toks := strings.Split(s, "-")
if len(toks) < 2 {
return 0, 0, fmt.Errorf("invalid address")
idx := strings.Index(s, "-")
if idx == -1 {
return 0, 0, fmt.Errorf("%w: expected separator `-` in %s", ErrFileParse, s)
}
saddr, err := parseAddress(toks[0])
saddr, err := parseAddress(s[0:idx])
if err != nil {
return 0, 0, err
}
eaddr, err := parseAddress(toks[1])
eaddr, err := parseAddress(s[idx+1:])
if err != nil {
return 0, 0, err
}
@@ -114,7 +114,7 @@ func parseAddresses(s string) (uintptr, uintptr, error) {
// parsePermissions parses a token and returns any that are set.
func parsePermissions(s string) (*ProcMapPermissions, error) {
if len(s) < 4 {
return nil, fmt.Errorf("invalid permissions token")
return nil, fmt.Errorf("%w: invalid permissions token", ErrFileParse)
}
perms := ProcMapPermissions{}
@@ -141,7 +141,7 @@ func parsePermissions(s string) (*ProcMapPermissions, error) {
func parseProcMap(text string) (*ProcMap, error) {
fields := strings.Fields(text)
if len(fields) < 5 {
return nil, fmt.Errorf("truncated procmap entry")
return nil, fmt.Errorf("%w: truncated procmap entry", ErrFileParse)
}
saddr, eaddr, err := parseAddresses(fields[0])

4
vendor/github.com/prometheus/procfs/proc_netstat.go generated vendored
View File

@@ -195,8 +195,8 @@ func parseProcNetstat(r io.Reader, fileName string) (ProcNetstat, error) {
// Remove trailing :.
protocol := strings.TrimSuffix(nameParts[0], ":")
if len(nameParts) != len(valueParts) {
return procNetstat, fmt.Errorf("mismatch field count mismatch in %s: %s",
fileName, protocol)
return procNetstat, fmt.Errorf("%w: mismatch field count mismatch in %s: %s",
ErrFileParse, fileName, protocol)
}
for i := 1; i < len(nameParts); i++ {
value, err := strconv.ParseFloat(valueParts[i], 64)

6
vendor/github.com/prometheus/procfs/proc_ns.go generated vendored
View File

@@ -40,7 +40,7 @@ func (p Proc) Namespaces() (Namespaces, error) {
names, err := d.Readdirnames(-1)
if err != nil {
return nil, fmt.Errorf("failed to read contents of ns dir: %w", err)
return nil, fmt.Errorf("%s: failed to read contents of ns dir: %w", ErrFileRead, err)
}
ns := make(Namespaces, len(names))
@@ -52,13 +52,13 @@ func (p Proc) Namespaces() (Namespaces, error) {
fields := strings.SplitN(target, ":", 2)
if len(fields) != 2 {
return nil, fmt.Errorf("failed to parse namespace type and inode from %q", target)
return nil, fmt.Errorf("%w: namespace type and inode from %q", ErrFileParse, target)
}
typ := fields[0]
inode, err := strconv.ParseUint(strings.Trim(fields[1], "[]"), 10, 32)
if err != nil {
return nil, fmt.Errorf("failed to parse inode from %q: %w", fields[1], err)
return nil, fmt.Errorf("%s: inode from %q: %w", ErrFileParse, fields[1], err)
}
ns[name] = Namespace{typ, uint32(inode)}

6
vendor/github.com/prometheus/procfs/proc_psi.go generated vendored
View File

@@ -61,14 +61,14 @@ type PSIStats struct {
func (fs FS) PSIStatsForResource(resource string) (PSIStats, error) {
data, err := util.ReadFileNoStat(fs.proc.Path(fmt.Sprintf("%s/%s", "pressure", resource)))
if err != nil {
return PSIStats{}, fmt.Errorf("psi_stats: unavailable for %q: %w", resource, err)
return PSIStats{}, fmt.Errorf("%s: psi_stats: unavailable for %q: %w", ErrFileRead, resource, err)
}
return parsePSIStats(resource, bytes.NewReader(data))
return parsePSIStats(bytes.NewReader(data))
}
// parsePSIStats parses the specified file for pressure stall information.
func parsePSIStats(resource string, r io.Reader) (PSIStats, error) {
func parsePSIStats(r io.Reader) (PSIStats, error) {
psiStats := PSIStats{}
scanner := bufio.NewScanner(r)

4
vendor/github.com/prometheus/procfs/proc_smaps.go generated vendored
View File

@@ -135,12 +135,12 @@ func (s *ProcSMapsRollup) parseLine(line string) error {
}
vBytes := vKBytes * 1024
s.addValue(k, v, vKBytes, vBytes)
s.addValue(k, vBytes)
return nil
}
func (s *ProcSMapsRollup) addValue(k string, vString string, vUint uint64, vUintBytes uint64) {
func (s *ProcSMapsRollup) addValue(k string, vUintBytes uint64) {
switch k {
case "Rss":
s.Rss += vUintBytes

4
vendor/github.com/prometheus/procfs/proc_snmp.go generated vendored
View File

@@ -159,8 +159,8 @@ func parseSnmp(r io.Reader, fileName string) (ProcSnmp, error) {
// Remove trailing :.
protocol := strings.TrimSuffix(nameParts[0], ":")
if len(nameParts) != len(valueParts) {
return procSnmp, fmt.Errorf("mismatch field count mismatch in %s: %s",
fileName, protocol)
return procSnmp, fmt.Errorf("%w: mismatch field count mismatch in %s: %s",
ErrFileParse, fileName, protocol)
}
for i := 1; i < len(nameParts); i++ {
value, err := strconv.ParseFloat(valueParts[i], 64)

9
vendor/github.com/prometheus/procfs/proc_stat.go generated vendored
View File

@@ -110,6 +110,11 @@ type ProcStat struct {
Policy uint
// Aggregated block I/O delays, measured in clock ticks (centiseconds).
DelayAcctBlkIOTicks uint64
// Guest time of the process (time spent running a virtual CPU for a guest
// operating system), measured in clock ticks.
GuestTime int
// Guest time of the process's children, measured in clock ticks.
CGuestTime int
proc FS
}
@@ -138,7 +143,7 @@ func (p Proc) Stat() (ProcStat, error) {
)
if l < 0 || r < 0 {
return ProcStat{}, fmt.Errorf("unexpected format, couldn't extract comm %q", data)
return ProcStat{}, fmt.Errorf("%w: unexpected format, couldn't extract comm %q", ErrFileParse, data)
}
s.Comm = string(data[l+1 : r])
@@ -189,6 +194,8 @@ func (p Proc) Stat() (ProcStat, error) {
&s.RTPriority,
&s.Policy,
&s.DelayAcctBlkIOTicks,
&s.GuestTime,
&s.CGuestTime,
)
if err != nil {
return ProcStat{}, err

21
vendor/github.com/prometheus/procfs/proc_status.go generated vendored
View File

@@ -23,7 +23,7 @@ import (
)
// ProcStatus provides status information about the process,
// read from /proc/[pid]/stat.
// read from /proc/[pid]/status.
type ProcStatus struct {
// The process ID.
PID int
@@ -32,6 +32,8 @@ type ProcStatus struct {
// Thread group ID.
TGID int
// List of Pid namespace.
NSpids []uint64
// Peak virtual memory size.
VmPeak uint64 // nolint:revive
@@ -127,6 +129,8 @@ func (s *ProcStatus) fillStatus(k string, vString string, vUint uint64, vUintByt
copy(s.UIDs[:], strings.Split(vString, "\t"))
case "Gid":
copy(s.GIDs[:], strings.Split(vString, "\t"))
case "NSpid":
s.NSpids = calcNSPidsList(vString)
case "VmPeak":
s.VmPeak = vUintBytes
case "VmSize":
@@ -200,3 +204,18 @@ func calcCpusAllowedList(cpuString string) []uint64 {
sort.Slice(g, func(i, j int) bool { return g[i] < g[j] })
return g
}
func calcNSPidsList(nspidsString string) []uint64 {
s := strings.Split(nspidsString, " ")
var nspids []uint64
for _, nspid := range s {
nspid, _ := strconv.ParseUint(nspid, 10, 64)
if nspid == 0 {
continue
}
nspids = append(nspids, nspid)
}
return nspids
}

2
vendor/github.com/prometheus/procfs/proc_sys.go generated vendored
View File

@@ -44,7 +44,7 @@ func (fs FS) SysctlInts(sysctl string) ([]int, error) {
vp := util.NewValueParser(f)
values[i] = vp.Int()
if err := vp.Err(); err != nil {
return nil, fmt.Errorf("field %d in sysctl %s is not a valid int: %w", i, sysctl, err)
return nil, fmt.Errorf("%s: field %d in sysctl %s is not a valid int: %w", ErrFileParse, i, sysctl, err)
}
}
return values, nil

2
vendor/github.com/prometheus/procfs/slab.go generated vendored
View File

@@ -68,7 +68,7 @@ func parseV21SlabEntry(line string) (*Slab, error) {
l := slabSpace.ReplaceAllString(line, " ")
s := strings.Split(l, " ")
if len(s) != 16 {
return nil, fmt.Errorf("unable to parse: %q", line)
return nil, fmt.Errorf("%w: unable to parse: %q", ErrFileParse, line)
}
var err error
i := &Slab{Name: s[0]}

24
vendor/github.com/prometheus/procfs/softirqs.go generated vendored
View File

@@ -57,7 +57,7 @@ func parseSoftirqs(r io.Reader) (Softirqs, error) {
)
if !scanner.Scan() {
return Softirqs{}, fmt.Errorf("softirqs empty")
return Softirqs{}, fmt.Errorf("%w: softirqs empty", ErrFileRead)
}
for scanner.Scan() {
@@ -74,7 +74,7 @@ func parseSoftirqs(r io.Reader) (Softirqs, error) {
softirqs.Hi = make([]uint64, len(perCPU))
for i, count := range perCPU {
if softirqs.Hi[i], err = strconv.ParseUint(count, 10, 64); err != nil {
return Softirqs{}, fmt.Errorf("couldn't parse %q (HI%d): %w", count, i, err)
return Softirqs{}, fmt.Errorf("%s: couldn't parse %q (HI%d): %w", ErrFileParse, count, i, err)
}
}
case parts[0] == "TIMER:":
@@ -82,7 +82,7 @@ func parseSoftirqs(r io.Reader) (Softirqs, error) {
softirqs.Timer = make([]uint64, len(perCPU))
for i, count := range perCPU {
if softirqs.Timer[i], err = strconv.ParseUint(count, 10, 64); err != nil {
return Softirqs{}, fmt.Errorf("couldn't parse %q (TIMER%d): %w", count, i, err)
return Softirqs{}, fmt.Errorf("%s: couldn't parse %q (TIMER%d): %w", ErrFileParse, count, i, err)
}
}
case parts[0] == "NET_TX:":
@@ -90,7 +90,7 @@ func parseSoftirqs(r io.Reader) (Softirqs, error) {
softirqs.NetTx = make([]uint64, len(perCPU))
for i, count := range perCPU {
if softirqs.NetTx[i], err = strconv.ParseUint(count, 10, 64); err != nil {
return Softirqs{}, fmt.Errorf("couldn't parse %q (NET_TX%d): %w", count, i, err)
return Softirqs{}, fmt.Errorf("%s: couldn't parse %q (NET_TX%d): %w", ErrFileParse, count, i, err)
}
}
case parts[0] == "NET_RX:":
@@ -98,7 +98,7 @@ func parseSoftirqs(r io.Reader) (Softirqs, error) {
softirqs.NetRx = make([]uint64, len(perCPU))
for i, count := range perCPU {
if softirqs.NetRx[i], err = strconv.ParseUint(count, 10, 64); err != nil {
return Softirqs{}, fmt.Errorf("couldn't parse %q (NET_RX%d): %w", count, i, err)
return Softirqs{}, fmt.Errorf("%s: couldn't parse %q (NET_RX%d): %w", ErrFileParse, count, i, err)
}
}
case parts[0] == "BLOCK:":
@@ -106,7 +106,7 @@ func parseSoftirqs(r io.Reader) (Softirqs, error) {
softirqs.Block = make([]uint64, len(perCPU))
for i, count := range perCPU {
if softirqs.Block[i], err = strconv.ParseUint(count, 10, 64); err != nil {
return Softirqs{}, fmt.Errorf("couldn't parse %q (BLOCK%d): %w", count, i, err)
return Softirqs{}, fmt.Errorf("%s: couldn't parse %q (BLOCK%d): %w", ErrFileParse, count, i, err)
}
}
case parts[0] == "IRQ_POLL:":
@@ -114,7 +114,7 @@ func parseSoftirqs(r io.Reader) (Softirqs, error) {
softirqs.IRQPoll = make([]uint64, len(perCPU))
for i, count := range perCPU {
if softirqs.IRQPoll[i], err = strconv.ParseUint(count, 10, 64); err != nil {
return Softirqs{}, fmt.Errorf("couldn't parse %q (IRQ_POLL%d): %w", count, i, err)
return Softirqs{}, fmt.Errorf("%s: couldn't parse %q (IRQ_POLL%d): %w", ErrFileParse, count, i, err)
}
}
case parts[0] == "TASKLET:":
@@ -122,7 +122,7 @@ func parseSoftirqs(r io.Reader) (Softirqs, error) {
softirqs.Tasklet = make([]uint64, len(perCPU))
for i, count := range perCPU {
if softirqs.Tasklet[i], err = strconv.ParseUint(count, 10, 64); err != nil {
return Softirqs{}, fmt.Errorf("couldn't parse %q (TASKLET%d): %w", count, i, err)
return Softirqs{}, fmt.Errorf("%s: couldn't parse %q (TASKLET%d): %w", ErrFileParse, count, i, err)
}
}
case parts[0] == "SCHED:":
@@ -130,7 +130,7 @@ func parseSoftirqs(r io.Reader) (Softirqs, error) {
softirqs.Sched = make([]uint64, len(perCPU))
for i, count := range perCPU {
if softirqs.Sched[i], err = strconv.ParseUint(count, 10, 64); err != nil {
return Softirqs{}, fmt.Errorf("couldn't parse %q (SCHED%d): %w", count, i, err)
return Softirqs{}, fmt.Errorf("%s: couldn't parse %q (SCHED%d): %w", ErrFileParse, count, i, err)
}
}
case parts[0] == "HRTIMER:":
@@ -138,7 +138,7 @@ func parseSoftirqs(r io.Reader) (Softirqs, error) {
softirqs.HRTimer = make([]uint64, len(perCPU))
for i, count := range perCPU {
if softirqs.HRTimer[i], err = strconv.ParseUint(count, 10, 64); err != nil {
return Softirqs{}, fmt.Errorf("couldn't parse %q (HRTIMER%d): %w", count, i, err)
return Softirqs{}, fmt.Errorf("%s: couldn't parse %q (HRTIMER%d): %w", ErrFileParse, count, i, err)
}
}
case parts[0] == "RCU:":
@@ -146,14 +146,14 @@ func parseSoftirqs(r io.Reader) (Softirqs, error) {
softirqs.RCU = make([]uint64, len(perCPU))
for i, count := range perCPU {
if softirqs.RCU[i], err = strconv.ParseUint(count, 10, 64); err != nil {
return Softirqs{}, fmt.Errorf("couldn't parse %q (RCU%d): %w", count, i, err)
return Softirqs{}, fmt.Errorf("%s: couldn't parse %q (RCU%d): %w", ErrFileParse, count, i, err)
}
}
}
}
if err := scanner.Err(); err != nil {
return Softirqs{}, fmt.Errorf("couldn't parse softirqs: %w", err)
return Softirqs{}, fmt.Errorf("%s: couldn't parse softirqs: %w", ErrFileParse, err)
}
return softirqs, scanner.Err()

28
vendor/github.com/prometheus/procfs/stat.go generated vendored
View File

@@ -93,10 +93,10 @@ func parseCPUStat(line string) (CPUStat, int64, error) {
&cpuStat.Guest, &cpuStat.GuestNice)
if err != nil && err != io.EOF {
return CPUStat{}, -1, fmt.Errorf("couldn't parse %q (cpu): %w", line, err)
return CPUStat{}, -1, fmt.Errorf("%s: couldn't parse %q (cpu): %w", ErrFileParse, line, err)
}
if count == 0 {
return CPUStat{}, -1, fmt.Errorf("couldn't parse %q (cpu): 0 elements parsed", line)
return CPUStat{}, -1, fmt.Errorf("%w: couldn't parse %q (cpu): 0 elements parsed", ErrFileParse, line)
}
cpuStat.User /= userHZ
@@ -116,7 +116,7 @@ func parseCPUStat(line string) (CPUStat, int64, error) {
cpuID, err := strconv.ParseInt(cpu[3:], 10, 64)
if err != nil {
return CPUStat{}, -1, fmt.Errorf("couldn't parse %q (cpu/cpuid): %w", line, err)
return CPUStat{}, -1, fmt.Errorf("%s: couldn't parse %q (cpu/cpuid): %w", ErrFileParse, line, err)
}
return cpuStat, cpuID, nil
@@ -136,7 +136,7 @@ func parseSoftIRQStat(line string) (SoftIRQStat, uint64, error) {
&softIRQStat.Hrtimer, &softIRQStat.Rcu)
if err != nil {
return SoftIRQStat{}, 0, fmt.Errorf("couldn't parse %q (softirq): %w", line, err)
return SoftIRQStat{}, 0, fmt.Errorf("%s: couldn't parse %q (softirq): %w", ErrFileParse, line, err)
}
return softIRQStat, total, nil
@@ -187,6 +187,10 @@ func parseStat(r io.Reader, fileName string) (Stat, error) {
err error
)
// Increase default scanner buffer to handle very long `intr` lines.
buf := make([]byte, 0, 8*1024)
scanner.Buffer(buf, 1024*1024)
for scanner.Scan() {
line := scanner.Text()
parts := strings.Fields(scanner.Text())
@@ -197,34 +201,34 @@ func parseStat(r io.Reader, fileName string) (Stat, error) {
switch {
case parts[0] == "btime":
if stat.BootTime, err = strconv.ParseUint(parts[1], 10, 64); err != nil {
return Stat{}, fmt.Errorf("couldn't parse %q (btime): %w", parts[1], err)
return Stat{}, fmt.Errorf("%s: couldn't parse %q (btime): %w", ErrFileParse, parts[1], err)
}
case parts[0] == "intr":
if stat.IRQTotal, err = strconv.ParseUint(parts[1], 10, 64); err != nil {
return Stat{}, fmt.Errorf("couldn't parse %q (intr): %w", parts[1], err)
return Stat{}, fmt.Errorf("%s: couldn't parse %q (intr): %w", ErrFileParse, parts[1], err)
}
numberedIRQs := parts[2:]
stat.IRQ = make([]uint64, len(numberedIRQs))
for i, count := range numberedIRQs {
if stat.IRQ[i], err = strconv.ParseUint(count, 10, 64); err != nil {
return Stat{}, fmt.Errorf("couldn't parse %q (intr%d): %w", count, i, err)
return Stat{}, fmt.Errorf("%s: couldn't parse %q (intr%d): %w", ErrFileParse, count, i, err)
}
}
case parts[0] == "ctxt":
if stat.ContextSwitches, err = strconv.ParseUint(parts[1], 10, 64); err != nil {
return Stat{}, fmt.Errorf("couldn't parse %q (ctxt): %w", parts[1], err)
return Stat{}, fmt.Errorf("%s: couldn't parse %q (ctxt): %w", ErrFileParse, parts[1], err)
}
case parts[0] == "processes":
if stat.ProcessCreated, err = strconv.ParseUint(parts[1], 10, 64); err != nil {
return Stat{}, fmt.Errorf("couldn't parse %q (processes): %w", parts[1], err)
return Stat{}, fmt.Errorf("%s: couldn't parse %q (processes): %w", ErrFileParse, parts[1], err)
}
case parts[0] == "procs_running":
if stat.ProcessesRunning, err = strconv.ParseUint(parts[1], 10, 64); err != nil {
return Stat{}, fmt.Errorf("couldn't parse %q (procs_running): %w", parts[1], err)
return Stat{}, fmt.Errorf("%s: couldn't parse %q (procs_running): %w", ErrFileParse, parts[1], err)
}
case parts[0] == "procs_blocked":
if stat.ProcessesBlocked, err = strconv.ParseUint(parts[1], 10, 64); err != nil {
return Stat{}, fmt.Errorf("couldn't parse %q (procs_blocked): %w", parts[1], err)
return Stat{}, fmt.Errorf("%s: couldn't parse %q (procs_blocked): %w", ErrFileParse, parts[1], err)
}
case parts[0] == "softirq":
softIRQStats, total, err := parseSoftIRQStat(line)
@@ -247,7 +251,7 @@ func parseStat(r io.Reader, fileName string) (Stat, error) {
}
if err := scanner.Err(); err != nil {
return Stat{}, fmt.Errorf("couldn't parse %q: %w", fileName, err)
return Stat{}, fmt.Errorf("%s: couldn't parse %q: %w", ErrFileParse, fileName, err)
}
return stat, nil

8
vendor/github.com/prometheus/procfs/swaps.go generated vendored
View File

@@ -64,7 +64,7 @@ func parseSwapString(swapString string) (*Swap, error) {
swapFields := strings.Fields(swapString)
swapLength := len(swapFields)
if swapLength < 5 {
return nil, fmt.Errorf("too few fields in swap string: %s", swapString)
return nil, fmt.Errorf("%w: too few fields in swap string: %s", ErrFileParse, swapString)
}
swap := &Swap{
@@ -74,15 +74,15 @@ func parseSwapString(swapString string) (*Swap, error) {
swap.Size, err = strconv.Atoi(swapFields[2])
if err != nil {
return nil, fmt.Errorf("invalid swap size: %s", swapFields[2])
return nil, fmt.Errorf("%s: invalid swap size: %s: %w", ErrFileParse, swapFields[2], err)
}
swap.Used, err = strconv.Atoi(swapFields[3])
if err != nil {
return nil, fmt.Errorf("invalid swap used: %s", swapFields[3])
return nil, fmt.Errorf("%s: invalid swap used: %s: %w", ErrFileParse, swapFields[3], err)
}
swap.Priority, err = strconv.Atoi(swapFields[4])
if err != nil {
return nil, fmt.Errorf("invalid swap priority: %s", swapFields[4])
return nil, fmt.Errorf("%s: invalid swap priority: %s: %w", ErrFileParse, swapFields[4], err)
}
return swap, nil

8
vendor/github.com/prometheus/procfs/thread.go generated vendored
View File

@@ -45,7 +45,7 @@ func (fs FS) AllThreads(pid int) (Procs, error) {
names, err := d.Readdirnames(-1)
if err != nil {
return Procs{}, fmt.Errorf("could not read %q: %w", d.Name(), err)
return Procs{}, fmt.Errorf("%s: could not read %q: %w", ErrFileRead, d.Name(), err)
}
t := Procs{}
@@ -55,7 +55,7 @@ func (fs FS) AllThreads(pid int) (Procs, error) {
continue
}
t = append(t, Proc{PID: int(tid), fs: FS{fsi.FS(taskPath), fs.real}})
t = append(t, Proc{PID: int(tid), fs: FS{fsi.FS(taskPath), fs.isReal}})
}
return t, nil
@@ -67,12 +67,12 @@ func (fs FS) Thread(pid, tid int) (Proc, error) {
if _, err := os.Stat(taskPath); err != nil {
return Proc{}, err
}
return Proc{PID: tid, fs: FS{fsi.FS(taskPath), fs.real}}, nil
return Proc{PID: tid, fs: FS{fsi.FS(taskPath), fs.isReal}}, nil
}
// Thread returns a process for a given TID of Proc.
func (proc Proc) Thread(tid int) (Proc, error) {
tfs := FS{fsi.FS(proc.path("task")), proc.fs.real}
tfs := FS{fsi.FS(proc.path("task")), proc.fs.isReal}
if _, err := os.Stat(tfs.proc.Path(strconv.Itoa(tid))); err != nil {
return Proc{}, err
}

2
vendor/github.com/prometheus/procfs/vm.go generated vendored
View File

@@ -86,7 +86,7 @@ func (fs FS) VM() (*VM, error) {
return nil, err
}
if !file.Mode().IsDir() {
return nil, fmt.Errorf("%s is not a directory", path)
return nil, fmt.Errorf("%w: %s is not a directory", ErrFileRead, path)
}
files, err := os.ReadDir(path)

4
vendor/github.com/prometheus/procfs/zoneinfo.go generated vendored
View File

@@ -75,11 +75,11 @@ var nodeZoneRE = regexp.MustCompile(`(\d+), zone\s+(\w+)`)
func (fs FS) Zoneinfo() ([]Zoneinfo, error) {
data, err := os.ReadFile(fs.proc.Path("zoneinfo"))
if err != nil {
return nil, fmt.Errorf("error reading zoneinfo %q: %w", fs.proc.Path("zoneinfo"), err)
return nil, fmt.Errorf("%s: error reading zoneinfo %q: %w", ErrFileRead, fs.proc.Path("zoneinfo"), err)
}
zoneinfo, err := parseZoneinfo(data)
if err != nil {
return nil, fmt.Errorf("error parsing zoneinfo %q: %w", fs.proc.Path("zoneinfo"), err)
return nil, fmt.Errorf("%s: error parsing zoneinfo %q: %w", ErrFileParse, fs.proc.Path("zoneinfo"), err)
}
return zoneinfo, nil
}