mirror of
https://github.com/ceph/ceph-csi.git
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9eaa55506f
This commit updates controller-runtime to v0.9.2 and makes changes in persistentvolume.go to add context to various functions and function calls made here instead of context.TODO(). Signed-off-by: Rakshith R <rar@redhat.com>
119 lines
3.3 KiB
Go
119 lines
3.3 KiB
Go
/*
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Copyright 2020 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 client
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import (
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"context"
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"strings"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
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"k8s.io/apimachinery/pkg/watch"
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"k8s.io/client-go/dynamic"
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"k8s.io/client-go/rest"
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)
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// NewWithWatch returns a new WithWatch.
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func NewWithWatch(config *rest.Config, options Options) (WithWatch, error) {
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client, err := newClient(config, options)
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if err != nil {
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return nil, err
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}
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dynamicClient, err := dynamic.NewForConfig(config)
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if err != nil {
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return nil, err
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}
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return &watchingClient{client: client, dynamic: dynamicClient}, nil
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}
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type watchingClient struct {
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*client
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dynamic dynamic.Interface
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}
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func (w *watchingClient) Watch(ctx context.Context, list ObjectList, opts ...ListOption) (watch.Interface, error) {
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switch l := list.(type) {
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case *unstructured.UnstructuredList:
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return w.unstructuredWatch(ctx, l, opts...)
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case *metav1.PartialObjectMetadataList:
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return w.metadataWatch(ctx, l, opts...)
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default:
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return w.typedWatch(ctx, l, opts...)
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}
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}
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func (w *watchingClient) listOpts(opts ...ListOption) ListOptions {
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listOpts := ListOptions{}
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listOpts.ApplyOptions(opts)
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if listOpts.Raw == nil {
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listOpts.Raw = &metav1.ListOptions{}
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}
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listOpts.Raw.Watch = true
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return listOpts
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}
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func (w *watchingClient) metadataWatch(ctx context.Context, obj *metav1.PartialObjectMetadataList, opts ...ListOption) (watch.Interface, error) {
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gvk := obj.GroupVersionKind()
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if strings.HasSuffix(gvk.Kind, "List") {
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gvk.Kind = gvk.Kind[:len(gvk.Kind)-4]
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}
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listOpts := w.listOpts(opts...)
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resInt, err := w.client.metadataClient.getResourceInterface(gvk, listOpts.Namespace)
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if err != nil {
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return nil, err
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}
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return resInt.Watch(ctx, *listOpts.AsListOptions())
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}
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func (w *watchingClient) unstructuredWatch(ctx context.Context, obj *unstructured.UnstructuredList, opts ...ListOption) (watch.Interface, error) {
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gvk := obj.GroupVersionKind()
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if strings.HasSuffix(gvk.Kind, "List") {
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gvk.Kind = gvk.Kind[:len(gvk.Kind)-4]
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}
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r, err := w.client.unstructuredClient.cache.getResource(obj)
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if err != nil {
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return nil, err
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}
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listOpts := w.listOpts(opts...)
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if listOpts.Namespace != "" && r.isNamespaced() {
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return w.dynamic.Resource(r.mapping.Resource).Namespace(listOpts.Namespace).Watch(ctx, *listOpts.AsListOptions())
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}
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return w.dynamic.Resource(r.mapping.Resource).Watch(ctx, *listOpts.AsListOptions())
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}
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func (w *watchingClient) typedWatch(ctx context.Context, obj ObjectList, opts ...ListOption) (watch.Interface, error) {
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r, err := w.client.typedClient.cache.getResource(obj)
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if err != nil {
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return nil, err
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}
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listOpts := w.listOpts(opts...)
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return r.Get().
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NamespaceIfScoped(listOpts.Namespace, r.isNamespaced()).
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Resource(r.resource()).
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VersionedParams(listOpts.AsListOptions(), w.client.typedClient.paramCodec).
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Watch(ctx)
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}
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