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To be able to perform the migration, we need to start from an empty directory/repo.
This commit is contained in:
Eddy Filip
2022-09-13 12:26:08 +03:00
parent 69857c3d47
commit 1aa1a3f546
2671 changed files with 0 additions and 893931 deletions
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54
vendor/github.com/uber/jaeger-client-go/utils/http_json.go generated vendored
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// Copyright (c) 2017 Uber Technologies, Inc.
//
// 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 utils
import (
"encoding/json"
"fmt"
"io"
"io/ioutil"
"net/http"
)
// GetJSON makes an HTTP call to the specified URL and parses the returned JSON into `out`.
func GetJSON(url string, out interface{}) error {
resp, err := http.Get(url)
if err != nil {
return err
}
return ReadJSON(resp, out)
}
// ReadJSON reads JSON from http.Response and parses it into `out`
func ReadJSON(resp *http.Response, out interface{}) error {
defer resp.Body.Close()
if resp.StatusCode >= 400 {
body, err := ioutil.ReadAll(resp.Body)
if err != nil {
return err
}
return fmt.Errorf("StatusCode: %d, Body: %s", resp.StatusCode, body)
}
if out == nil {
io.Copy(ioutil.Discard, resp.Body)
return nil
}
decoder := json.NewDecoder(resp.Body)
return decoder.Decode(out)
}

84
vendor/github.com/uber/jaeger-client-go/utils/localip.go generated vendored
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@@ -1,84 +0,0 @@
// Copyright (c) 2017 Uber Technologies, Inc.
//
// 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 utils
import (
"errors"
"net"
)
// This code is borrowed from https://github.com/uber/tchannel-go/blob/dev/localip.go
// scoreAddr scores how likely the given addr is to be a remote address and returns the
// IP to use when listening. Any address which receives a negative score should not be used.
// Scores are calculated as:
// -1 for any unknown IP addresses.
// +300 for IPv4 addresses
// +100 for non-local addresses, extra +100 for "up" interaces.
func scoreAddr(iface net.Interface, addr net.Addr) (int, net.IP) {
var ip net.IP
if netAddr, ok := addr.(*net.IPNet); ok {
ip = netAddr.IP
} else if netIP, ok := addr.(*net.IPAddr); ok {
ip = netIP.IP
} else {
return -1, nil
}
var score int
if ip.To4() != nil {
score += 300
}
if iface.Flags&net.FlagLoopback == 0 && !ip.IsLoopback() {
score += 100
if iface.Flags&net.FlagUp != 0 {
score += 100
}
}
return score, ip
}
// HostIP tries to find an IP that can be used by other machines to reach this machine.
func HostIP() (net.IP, error) {
interfaces, err := net.Interfaces()
if err != nil {
return nil, err
}
bestScore := -1
var bestIP net.IP
// Select the highest scoring IP as the best IP.
for _, iface := range interfaces {
addrs, err := iface.Addrs()
if err != nil {
// Skip this interface if there is an error.
continue
}
for _, addr := range addrs {
score, ip := scoreAddr(iface, addr)
if score > bestScore {
bestScore = score
bestIP = ip
}
}
}
if bestScore == -1 {
return nil, errors.New("no addresses to listen on")
}
return bestIP, nil
}

46
vendor/github.com/uber/jaeger-client-go/utils/rand.go generated vendored
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@@ -1,46 +0,0 @@
// Copyright (c) 2017 Uber Technologies, Inc.
//
// 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 utils
import (
"math/rand"
"sync"
)
// lockedSource allows a random number generator to be used by multiple goroutines concurrently.
// The code is very similar to math/rand.lockedSource, which is unfortunately not exposed.
type lockedSource struct {
mut sync.Mutex
src rand.Source
}
// NewRand returns a rand.Rand that is threadsafe.
func NewRand(seed int64) *rand.Rand {
return rand.New(&lockedSource{src: rand.NewSource(seed)})
}
func (r *lockedSource) Int63() (n int64) {
r.mut.Lock()
n = r.src.Int63()
r.mut.Unlock()
return
}
// Seed implements Seed() of Source
func (r *lockedSource) Seed(seed int64) {
r.mut.Lock()
r.src.Seed(seed)
r.mut.Unlock()
}

112
vendor/github.com/uber/jaeger-client-go/utils/rate_limiter.go generated vendored
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@@ -1,112 +0,0 @@
// Copyright (c) 2017 Uber Technologies, Inc.
//
// 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 utils
import (
"sync"
"time"
)
// RateLimiter is a filter used to check if a message that is worth itemCost units is within the rate limits.
//
// TODO (breaking change) remove this interface in favor of public struct below
//
// Deprecated, use ReconfigurableRateLimiter.
type RateLimiter interface {
CheckCredit(itemCost float64) bool
}
// ReconfigurableRateLimiter is a rate limiter based on leaky bucket algorithm, formulated in terms of a
// credits balance that is replenished every time CheckCredit() method is called (tick) by the amount proportional
// to the time elapsed since the last tick, up to max of creditsPerSecond. A call to CheckCredit() takes a cost
// of an item we want to pay with the balance. If the balance exceeds the cost of the item, the item is "purchased"
// and the balance reduced, indicated by returned value of true. Otherwise the balance is unchanged and return false.
//
// This can be used to limit a rate of messages emitted by a service by instantiating the Rate Limiter with the
// max number of messages a service is allowed to emit per second, and calling CheckCredit(1.0) for each message
// to determine if the message is within the rate limit.
//
// It can also be used to limit the rate of traffic in bytes, by setting creditsPerSecond to desired throughput
// as bytes/second, and calling CheckCredit() with the actual message size.
//
// TODO (breaking change) rename to RateLimiter once the interface is removed
type ReconfigurableRateLimiter struct {
lock sync.Mutex
creditsPerSecond float64
balance float64
maxBalance float64
lastTick time.Time
timeNow func() time.Time
}
// NewRateLimiter creates a new ReconfigurableRateLimiter.
func NewRateLimiter(creditsPerSecond, maxBalance float64) *ReconfigurableRateLimiter {
return &ReconfigurableRateLimiter{
creditsPerSecond: creditsPerSecond,
balance: maxBalance,
maxBalance: maxBalance,
lastTick: time.Now(),
timeNow: time.Now,
}
}
// CheckCredit tries to reduce the current balance by itemCost provided that the current balance
// is not lest than itemCost.
func (rl *ReconfigurableRateLimiter) CheckCredit(itemCost float64) bool {
rl.lock.Lock()
defer rl.lock.Unlock()
// if we have enough credits to pay for current item, then reduce balance and allow
if rl.balance >= itemCost {
rl.balance -= itemCost
return true
}
// otherwise check if balance can be increased due to time elapsed, and try again
rl.updateBalance()
if rl.balance >= itemCost {
rl.balance -= itemCost
return true
}
return false
}
// updateBalance recalculates current balance based on time elapsed. Must be called while holding a lock.
func (rl *ReconfigurableRateLimiter) updateBalance() {
// calculate how much time passed since the last tick, and update current tick
currentTime := rl.timeNow()
elapsedTime := currentTime.Sub(rl.lastTick)
rl.lastTick = currentTime
// calculate how much credit have we accumulated since the last tick
rl.balance += elapsedTime.Seconds() * rl.creditsPerSecond
if rl.balance > rl.maxBalance {
rl.balance = rl.maxBalance
}
}
// Update changes the main parameters of the rate limiter in-place, while retaining
// the current accumulated balance (pro-rated to the new maxBalance value). Using this method
// instead of creating a new rate limiter helps to avoid thundering herd when sampling
// strategies are updated.
func (rl *ReconfigurableRateLimiter) Update(creditsPerSecond, maxBalance float64) {
rl.lock.Lock()
defer rl.lock.Unlock()
rl.updateBalance() // get up to date balance
rl.balance = rl.balance * maxBalance / rl.maxBalance
rl.creditsPerSecond = creditsPerSecond
rl.maxBalance = maxBalance
}

189
vendor/github.com/uber/jaeger-client-go/utils/reconnecting_udp_conn.go generated vendored
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@@ -1,189 +0,0 @@
// Copyright (c) 2020 The Jaeger 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 utils
import (
"fmt"
"net"
"sync"
"sync/atomic"
"time"
"github.com/uber/jaeger-client-go/log"
)
// reconnectingUDPConn is an implementation of udpConn that resolves hostPort every resolveTimeout, if the resolved address is
// different than the current conn then the new address is dialed and the conn is swapped.
type reconnectingUDPConn struct {
hostPort string
resolveFunc resolveFunc
dialFunc dialFunc
logger log.Logger
bufferBytes int64
connMtx sync.RWMutex
conn *net.UDPConn
destAddr *net.UDPAddr
closeChan chan struct{}
}
type resolveFunc func(network string, hostPort string) (*net.UDPAddr, error)
type dialFunc func(network string, laddr, raddr *net.UDPAddr) (*net.UDPConn, error)
// newReconnectingUDPConn returns a new udpConn that resolves hostPort every resolveTimeout, if the resolved address is
// different than the current conn then the new address is dialed and the conn is swapped.
func newReconnectingUDPConn(hostPort string, resolveTimeout time.Duration, resolveFunc resolveFunc, dialFunc dialFunc, logger log.Logger) (*reconnectingUDPConn, error) {
conn := &reconnectingUDPConn{
hostPort: hostPort,
resolveFunc: resolveFunc,
dialFunc: dialFunc,
logger: logger,
closeChan: make(chan struct{}),
}
if err := conn.attemptResolveAndDial(); err != nil {
logger.Error(fmt.Sprintf("failed resolving destination address on connection startup, with err: %q. retrying in %s", err.Error(), resolveTimeout))
}
go conn.reconnectLoop(resolveTimeout)
return conn, nil
}
func (c *reconnectingUDPConn) reconnectLoop(resolveTimeout time.Duration) {
ticker := time.NewTicker(resolveTimeout)
defer ticker.Stop()
for {
select {
case <-c.closeChan:
return
case <-ticker.C:
if err := c.attemptResolveAndDial(); err != nil {
c.logger.Error(err.Error())
}
}
}
}
func (c *reconnectingUDPConn) attemptResolveAndDial() error {
newAddr, err := c.resolveFunc("udp", c.hostPort)
if err != nil {
return fmt.Errorf("failed to resolve new addr for host %q, with err: %w", c.hostPort, err)
}
c.connMtx.RLock()
curAddr := c.destAddr
c.connMtx.RUnlock()
// dont attempt dial if an addr was successfully dialed previously and, resolved addr is the same as current conn
if curAddr != nil && newAddr.String() == curAddr.String() {
return nil
}
if err := c.attemptDialNewAddr(newAddr); err != nil {
return fmt.Errorf("failed to dial newly resolved addr '%s', with err: %w", newAddr, err)
}
return nil
}
func (c *reconnectingUDPConn) attemptDialNewAddr(newAddr *net.UDPAddr) error {
connUDP, err := c.dialFunc(newAddr.Network(), nil, newAddr)
if err != nil {
return err
}
if bufferBytes := int(atomic.LoadInt64(&c.bufferBytes)); bufferBytes != 0 {
if err = connUDP.SetWriteBuffer(bufferBytes); err != nil {
return err
}
}
c.connMtx.Lock()
c.destAddr = newAddr
// store prev to close later
prevConn := c.conn
c.conn = connUDP
c.connMtx.Unlock()
if prevConn != nil {
return prevConn.Close()
}
return nil
}
// Write calls net.udpConn.Write, if it fails an attempt is made to connect to a new addr, if that succeeds the write is retried before returning
func (c *reconnectingUDPConn) Write(b []byte) (int, error) {
var bytesWritten int
var err error
c.connMtx.RLock()
if c.conn == nil {
// if connection is not initialized indicate this with err in order to hook into retry logic
err = fmt.Errorf("UDP connection not yet initialized, an address has not been resolved")
} else {
bytesWritten, err = c.conn.Write(b)
}
c.connMtx.RUnlock()
if err == nil {
return bytesWritten, nil
}
// attempt to resolve and dial new address in case that's the problem, if resolve and dial succeeds, try write again
if reconnErr := c.attemptResolveAndDial(); reconnErr == nil {
c.connMtx.RLock()
defer c.connMtx.RUnlock()
return c.conn.Write(b)
}
// return original error if reconn fails
return bytesWritten, err
}
// Close stops the reconnectLoop, then closes the connection via net.udpConn 's implementation
func (c *reconnectingUDPConn) Close() error {
close(c.closeChan)
// acquire rw lock before closing conn to ensure calls to Write drain
c.connMtx.Lock()
defer c.connMtx.Unlock()
if c.conn != nil {
return c.conn.Close()
}
return nil
}
// SetWriteBuffer defers to the net.udpConn SetWriteBuffer implementation wrapped with a RLock. if no conn is currently held
// and SetWriteBuffer is called store bufferBytes to be set for new conns
func (c *reconnectingUDPConn) SetWriteBuffer(bytes int) error {
var err error
c.connMtx.RLock()
if c.conn != nil {
err = c.conn.SetWriteBuffer(bytes)
}
c.connMtx.RUnlock()
if err == nil {
atomic.StoreInt64(&c.bufferBytes, int64(bytes))
}
return err
}

149
vendor/github.com/uber/jaeger-client-go/utils/udp_client.go generated vendored
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@@ -1,149 +0,0 @@
// Copyright (c) 2017 Uber Technologies, Inc.
//
// 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 utils
import (
"errors"
"fmt"
"io"
"net"
"time"
"github.com/uber/jaeger-client-go/log"
"github.com/uber/jaeger-client-go/thrift"
"github.com/uber/jaeger-client-go/thrift-gen/agent"
"github.com/uber/jaeger-client-go/thrift-gen/jaeger"
"github.com/uber/jaeger-client-go/thrift-gen/zipkincore"
)
// UDPPacketMaxLength is the max size of UDP packet we want to send, synced with jaeger-agent
const UDPPacketMaxLength = 65000
// AgentClientUDP is a UDP client to Jaeger agent that implements agent.Agent interface.
type AgentClientUDP struct {
agent.Agent
io.Closer
connUDP udpConn
client *agent.AgentClient
maxPacketSize int // max size of datagram in bytes
thriftBuffer *thrift.TMemoryBuffer // buffer used to calculate byte size of a span
}
type udpConn interface {
Write([]byte) (int, error)
SetWriteBuffer(int) error
Close() error
}
// AgentClientUDPParams allows specifying options for initializing an AgentClientUDP. An instance of this struct should
// be passed to NewAgentClientUDPWithParams.
type AgentClientUDPParams struct {
HostPort string
MaxPacketSize int
Logger log.Logger
DisableAttemptReconnecting bool
AttemptReconnectInterval time.Duration
}
// NewAgentClientUDPWithParams creates a client that sends spans to Jaeger Agent over UDP.
func NewAgentClientUDPWithParams(params AgentClientUDPParams) (*AgentClientUDP, error) {
// validate hostport
if _, _, err := net.SplitHostPort(params.HostPort); err != nil {
return nil, err
}
if params.MaxPacketSize == 0 {
params.MaxPacketSize = UDPPacketMaxLength
}
if params.Logger == nil {
params.Logger = log.StdLogger
}
if !params.DisableAttemptReconnecting && params.AttemptReconnectInterval == 0 {
params.AttemptReconnectInterval = time.Second * 30
}
thriftBuffer := thrift.NewTMemoryBufferLen(params.MaxPacketSize)
protocolFactory := thrift.NewTCompactProtocolFactory()
client := agent.NewAgentClientFactory(thriftBuffer, protocolFactory)
var connUDP udpConn
var err error
if params.DisableAttemptReconnecting {
destAddr, err := net.ResolveUDPAddr("udp", params.HostPort)
if err != nil {
return nil, err
}
connUDP, err = net.DialUDP(destAddr.Network(), nil, destAddr)
if err != nil {
return nil, err
}
} else {
// host is hostname, setup resolver loop in case host record changes during operation
connUDP, err = newReconnectingUDPConn(params.HostPort, params.AttemptReconnectInterval, net.ResolveUDPAddr, net.DialUDP, params.Logger)
if err != nil {
return nil, err
}
}
if err := connUDP.SetWriteBuffer(params.MaxPacketSize); err != nil {
return nil, err
}
return &AgentClientUDP{
connUDP: connUDP,
client: client,
maxPacketSize: params.MaxPacketSize,
thriftBuffer: thriftBuffer,
}, nil
}
// NewAgentClientUDP creates a client that sends spans to Jaeger Agent over UDP.
func NewAgentClientUDP(hostPort string, maxPacketSize int) (*AgentClientUDP, error) {
return NewAgentClientUDPWithParams(AgentClientUDPParams{
HostPort: hostPort,
MaxPacketSize: maxPacketSize,
})
}
// EmitZipkinBatch implements EmitZipkinBatch() of Agent interface
func (a *AgentClientUDP) EmitZipkinBatch(spans []*zipkincore.Span) error {
return errors.New("Not implemented")
}
// EmitBatch implements EmitBatch() of Agent interface
func (a *AgentClientUDP) EmitBatch(batch *jaeger.Batch) error {
a.thriftBuffer.Reset()
a.client.SeqId = 0 // we have no need for distinct SeqIds for our one-way UDP messages
if err := a.client.EmitBatch(batch); err != nil {
return err
}
if a.thriftBuffer.Len() > a.maxPacketSize {
return fmt.Errorf("data does not fit within one UDP packet; size %d, max %d, spans %d",
a.thriftBuffer.Len(), a.maxPacketSize, len(batch.Spans))
}
_, err := a.connUDP.Write(a.thriftBuffer.Bytes())
return err
}
// Close implements Close() of io.Closer and closes the underlying UDP connection.
func (a *AgentClientUDP) Close() error {
return a.connUDP.Close()
}

87
vendor/github.com/uber/jaeger-client-go/utils/utils.go generated vendored
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@@ -1,87 +0,0 @@
// Copyright (c) 2017 Uber Technologies, Inc.
//
// 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 utils
import (
"encoding/binary"
"errors"
"net"
"strconv"
"strings"
"time"
)
var (
// ErrEmptyIP an error for empty ip strings
ErrEmptyIP = errors.New("empty string given for ip")
// ErrNotHostColonPort an error for invalid host port string
ErrNotHostColonPort = errors.New("expecting host:port")
// ErrNotFourOctets an error for the wrong number of octets after splitting a string
ErrNotFourOctets = errors.New("Wrong number of octets")
)
// ParseIPToUint32 converts a string ip (e.g. "x.y.z.w") to an uint32
func ParseIPToUint32(ip string) (uint32, error) {
if ip == "" {
return 0, ErrEmptyIP
}
if ip == "localhost" {
return 127<<24 | 1, nil
}
octets := strings.Split(ip, ".")
if len(octets) != 4 {
return 0, ErrNotFourOctets
}
var intIP uint32
for i := 0; i < 4; i++ {
octet, err := strconv.Atoi(octets[i])
if err != nil {
return 0, err
}
intIP = (intIP << 8) | uint32(octet)
}
return intIP, nil
}
// ParsePort converts port number from string to uin16
func ParsePort(portString string) (uint16, error) {
port, err := strconv.ParseUint(portString, 10, 16)
return uint16(port), err
}
// PackIPAsUint32 packs an IPv4 as uint32
func PackIPAsUint32(ip net.IP) uint32 {
if ipv4 := ip.To4(); ipv4 != nil {
return binary.BigEndian.Uint32(ipv4)
}
return 0
}
// TimeToMicrosecondsSinceEpochInt64 converts Go time.Time to a long
// representing time since epoch in microseconds, which is used expected
// in the Jaeger spans encoded as Thrift.
func TimeToMicrosecondsSinceEpochInt64(t time.Time) int64 {
// ^^^ Passing time.Time by value is faster than passing a pointer!
// BenchmarkTimeByValue-8 2000000000 1.37 ns/op
// BenchmarkTimeByPtr-8 2000000000 1.98 ns/op
return t.UnixNano() / 1000
}