76 lines
2.7 KiB
Go
76 lines
2.7 KiB
Go
/*
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Copyright 2018 The Kubernetes 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 generic
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import (
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"context"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/apimachinery/pkg/runtime/schema"
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"k8s.io/apiserver/pkg/admission"
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"k8s.io/apiserver/pkg/admission/plugin/webhook"
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)
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// Source can list dynamic webhook plugins.
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type Source interface {
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Webhooks() []webhook.WebhookAccessor
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HasSynced() bool
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}
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// VersionedAttributes is a wrapper around the original admission attributes, adding versioned
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// variants of the object and old object.
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type VersionedAttributes struct {
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// Attributes holds the original admission attributes
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admission.Attributes
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// VersionedOldObject holds Attributes.OldObject (if non-nil), converted to VersionedKind.
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// It must never be mutated.
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VersionedOldObject runtime.Object
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// VersionedObject holds Attributes.Object (if non-nil), converted to VersionedKind.
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// If mutated, Dirty must be set to true by the mutator.
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VersionedObject runtime.Object
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// VersionedKind holds the fully qualified kind
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VersionedKind schema.GroupVersionKind
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// Dirty indicates VersionedObject has been modified since being converted from Attributes.Object
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Dirty bool
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}
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// GetObject overrides the Attributes.GetObject()
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func (v *VersionedAttributes) GetObject() runtime.Object {
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if v.VersionedObject != nil {
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return v.VersionedObject
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}
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return v.Attributes.GetObject()
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}
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// WebhookInvocation describes how to call a webhook, including the resource and subresource the webhook registered for,
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// and the kind that should be sent to the webhook.
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type WebhookInvocation struct {
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Webhook webhook.WebhookAccessor
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Resource schema.GroupVersionResource
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Subresource string
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Kind schema.GroupVersionKind
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}
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// Dispatcher dispatches webhook call to a list of webhooks with admission attributes as argument.
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type Dispatcher interface {
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// Dispatch a request to the webhooks. Dispatcher may choose not to
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// call a hook, either because the rules of the hook does not match, or
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// the namespaceSelector or the objectSelector of the hook does not
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// match. A non-nil error means the request is rejected.
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Dispatch(ctx context.Context, a admission.Attributes, o admission.ObjectInterfaces, hooks []webhook.WebhookAccessor) error
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}
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