Initial 1Password Operator commit

vendor/sigs.k8s.io/controller-runtime/pkg/conversion/conversion.go

@@ -0,0 +1,40 @@
+/*
+Copyright 2019 The Kubernetes 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 conversion provides interface definitions that an API Type needs to
+implement for it to be supported by the generic conversion webhook handler
+defined under pkg/webhook/conversion.
+*/
+package conversion
+
+import "k8s.io/apimachinery/pkg/runtime"
+
+// Convertible defines capability of a type to convertible i.e. it can be converted to/from a hub type.
+type Convertible interface {
+	runtime.Object
+	ConvertTo(dst Hub) error
+	ConvertFrom(src Hub) error
+}
+
+// Hub marks that a given type is the hub type for conversion. This means that
+// all conversions will first convert to the hub type, then convert from the hub
+// type to the destination type. All types besides the hub type should implement
+// Convertible.
+type Hub interface {
+	runtime.Object
+	Hub()
+}