7203a0b8bd
skip caching namespaces at cluster scope if only watching single namespace add --watch-namespace-selector in user guide add e2e test
39 lines
1 KiB
Go
39 lines
1 KiB
Go
/*
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Copyright 2021 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 store
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import (
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apiv1 "k8s.io/api/core/v1"
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"k8s.io/client-go/tools/cache"
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)
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// NamespaceLister makes a Store that lists Namespaces.
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type NamespaceLister struct {
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cache.Store
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}
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// ByKey returns the Namespace matching key in the local Namespace Store.
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func (cml *NamespaceLister) ByKey(key string) (*apiv1.Namespace, error) {
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s, exists, err := cml.GetByKey(key)
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if err != nil {
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return nil, err
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}
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if !exists {
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return nil, NotExistsError(key)
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}
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return s.(*apiv1.Namespace), nil
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}
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