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83 lines
2.5 KiB
Go
83 lines
2.5 KiB
Go
/*
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Copyright 2020 The Flux authors
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package main
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import (
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"k8s.io/apimachinery/pkg/runtime/schema"
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"sigs.k8s.io/controller-runtime/pkg/client"
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)
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// Most commands need one or both of the kind (e.g.,
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// `"ImageRepository"`) and a human-palatable name for the kind (e.g.,
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// `"image repository"`), to be interpolated into output. It's
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// convenient to package these up ahead of time, then the command
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// implementation can pick whichever it wants to use.
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type apiType struct {
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kind, humanKind string
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groupVersion schema.GroupVersion
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}
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// adapter is an interface for a wrapper or alias from which we can
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// get a controller-runtime deserialisable value. This is used so that
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// you can wrap an API type to give it other useful methods, but still
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// use values of the wrapper with `client.Client`, which only deals
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// with types that have been added to the schema.
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type adapter interface {
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asClientObject() client.Object
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}
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// copyable is an interface for a wrapper or alias from which we can
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// get a deep copied client.Object, required when you e.g. want to
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// calculate a patch.
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type copyable interface {
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deepCopyClientObject() client.Object
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}
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// listAdapter is the analogue to adapter, but for lists; the
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// controller runtime distinguishes between methods dealing with
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// objects and lists.
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type listAdapter interface {
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asClientList() client.ObjectList
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len() int
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}
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// universalAdapter is an adapter for any client.Object. Use this if
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// there are no other methods needed.
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type universalAdapter struct {
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obj client.Object
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}
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func (c universalAdapter) asClientObject() client.Object {
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return c.obj
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}
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// named is for adapters that have Name and Namespace fields, which
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// are sometimes handy to get hold of. ObjectMeta implements these, so
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// they shouldn't need any extra work.
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type named interface {
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GetName() string
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GetNamespace() string
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GetObjectKind() schema.ObjectKind
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SetName(string)
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SetNamespace(string)
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}
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func copyName(target, source named) {
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target.SetName(source.GetName())
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target.SetNamespace(source.GetNamespace())
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}
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