mirror of https://github.com/knative/caching.git
70 lines
2.0 KiB
Go
70 lines
2.0 KiB
Go
/*
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Copyright 2020 The Knative 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 v1
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import (
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"context"
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"knative.dev/pkg/apis"
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)
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// KReference contains enough information to refer to another object.
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// It's a trimmed down version of corev1.ObjectReference.
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type KReference struct {
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// Kind of the referent.
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// More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds
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Kind string `json:"kind"`
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// Namespace of the referent.
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// More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/namespaces/
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// This is optional field, it gets defaulted to the object holding it if left out.
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// +optional
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Namespace string `json:"namespace,omitempty"`
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// Name of the referent.
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// More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names
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Name string `json:"name"`
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// API version of the referent.
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APIVersion string `json:"apiVersion"`
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}
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func (kr *KReference) Validate(ctx context.Context) *apis.FieldError {
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var errs *apis.FieldError
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if kr == nil {
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return errs.Also(apis.ErrMissingField("name")).
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Also(apis.ErrMissingField("apiVersion")).
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Also(apis.ErrMissingField("kind"))
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}
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if kr.Name == "" {
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errs = errs.Also(apis.ErrMissingField("name"))
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}
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if kr.APIVersion == "" {
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errs = errs.Also(apis.ErrMissingField("apiVersion"))
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}
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if kr.Kind == "" {
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errs = errs.Also(apis.ErrMissingField("kind"))
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}
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return errs
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}
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func (kr *KReference) SetDefaults(ctx context.Context) {
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if kr.Namespace == "" {
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kr.Namespace = apis.ParentMeta(ctx).Namespace
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}
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}
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