mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-12-21 04:20:23 +00:00
9c8de9471e
update kubernetes and its dependencies to v1.26.1 Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
115 lines
3.3 KiB
Go
115 lines
3.3 KiB
Go
/*
|
|
Copyright 2020 The Kubernetes Authors.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
package client
|
|
|
|
import (
|
|
"context"
|
|
"strings"
|
|
|
|
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
|
|
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
|
|
"k8s.io/apimachinery/pkg/watch"
|
|
"k8s.io/client-go/dynamic"
|
|
"k8s.io/client-go/rest"
|
|
)
|
|
|
|
// NewWithWatch returns a new WithWatch.
|
|
func NewWithWatch(config *rest.Config, options Options) (WithWatch, error) {
|
|
client, err := newClient(config, options)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
dynamicClient, err := dynamic.NewForConfig(config)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return &watchingClient{client: client, dynamic: dynamicClient}, nil
|
|
}
|
|
|
|
type watchingClient struct {
|
|
*client
|
|
dynamic dynamic.Interface
|
|
}
|
|
|
|
func (w *watchingClient) Watch(ctx context.Context, list ObjectList, opts ...ListOption) (watch.Interface, error) {
|
|
switch l := list.(type) {
|
|
case *unstructured.UnstructuredList:
|
|
return w.unstructuredWatch(ctx, l, opts...)
|
|
case *metav1.PartialObjectMetadataList:
|
|
return w.metadataWatch(ctx, l, opts...)
|
|
default:
|
|
return w.typedWatch(ctx, l, opts...)
|
|
}
|
|
}
|
|
|
|
func (w *watchingClient) listOpts(opts ...ListOption) ListOptions {
|
|
listOpts := ListOptions{}
|
|
listOpts.ApplyOptions(opts)
|
|
if listOpts.Raw == nil {
|
|
listOpts.Raw = &metav1.ListOptions{}
|
|
}
|
|
listOpts.Raw.Watch = true
|
|
|
|
return listOpts
|
|
}
|
|
|
|
func (w *watchingClient) metadataWatch(ctx context.Context, obj *metav1.PartialObjectMetadataList, opts ...ListOption) (watch.Interface, error) {
|
|
gvk := obj.GroupVersionKind()
|
|
gvk.Kind = strings.TrimSuffix(gvk.Kind, "List")
|
|
|
|
listOpts := w.listOpts(opts...)
|
|
|
|
resInt, err := w.client.metadataClient.getResourceInterface(gvk, listOpts.Namespace)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return resInt.Watch(ctx, *listOpts.AsListOptions())
|
|
}
|
|
|
|
func (w *watchingClient) unstructuredWatch(ctx context.Context, obj *unstructured.UnstructuredList, opts ...ListOption) (watch.Interface, error) {
|
|
gvk := obj.GroupVersionKind()
|
|
gvk.Kind = strings.TrimSuffix(gvk.Kind, "List")
|
|
|
|
r, err := w.client.unstructuredClient.cache.getResource(obj)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
listOpts := w.listOpts(opts...)
|
|
|
|
if listOpts.Namespace != "" && r.isNamespaced() {
|
|
return w.dynamic.Resource(r.mapping.Resource).Namespace(listOpts.Namespace).Watch(ctx, *listOpts.AsListOptions())
|
|
}
|
|
return w.dynamic.Resource(r.mapping.Resource).Watch(ctx, *listOpts.AsListOptions())
|
|
}
|
|
|
|
func (w *watchingClient) typedWatch(ctx context.Context, obj ObjectList, opts ...ListOption) (watch.Interface, error) {
|
|
r, err := w.client.typedClient.cache.getResource(obj)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
listOpts := w.listOpts(opts...)
|
|
|
|
return r.Get().
|
|
NamespaceIfScoped(listOpts.Namespace, r.isNamespaced()).
|
|
Resource(r.resource()).
|
|
VersionedParams(listOpts.AsListOptions(), w.client.typedClient.paramCodec).
|
|
Watch(ctx)
|
|
}
|