mirror of https://github.com/knative/caching.git
78 lines
2.1 KiB
Go
78 lines
2.1 KiB
Go
/*
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Copyright 2021 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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// PodSpecValidator is a callback to validate a PodSpecable.
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type PodSpecValidator func(context.Context, *WithPod) *apis.FieldError
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// Validate implements apis.Validatable
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func (wp *WithPod) Validate(ctx context.Context) *apis.FieldError {
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if psv := GetPodSpecValidator(ctx); psv != nil {
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return psv(ctx, wp)
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}
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return nil
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}
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// psvKey is used for associating a PodSpecValidator with a context.Context
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type psvKey struct{}
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func WithPodSpecValidator(ctx context.Context, psv PodSpecValidator) context.Context {
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return context.WithValue(ctx, psvKey{}, psv)
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}
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// GetPodSpecValidator extracts the PodSpecValidator from the context.
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func GetPodSpecValidator(ctx context.Context) PodSpecValidator {
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untyped := ctx.Value(psvKey{})
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if untyped == nil {
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return nil
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}
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return untyped.(PodSpecValidator)
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}
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// PodValidator is a callback to validate Pods.
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type PodValidator func(context.Context, *Pod) *apis.FieldError
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// Validate implements apis.Validatable
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func (p *Pod) Validate(ctx context.Context) *apis.FieldError {
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if pv := GetPodValidator(ctx); pv != nil {
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return pv(ctx, p)
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}
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return nil
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}
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// pvKey is used for associating a PodValidator with a context.Context
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type pvKey struct{}
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func WithPodValidator(ctx context.Context, pv PodValidator) context.Context {
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return context.WithValue(ctx, pvKey{}, pv)
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}
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// GetPodValidator extracts the PodValidator from the context.
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func GetPodValidator(ctx context.Context) PodValidator {
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untyped := ctx.Value(pvKey{})
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if untyped == nil {
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return nil
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}
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return untyped.(PodValidator)
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}
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