mirror of https://github.com/k3s-io/k3s
51 lines
1.5 KiB
Go
51 lines
1.5 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 admission
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import (
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"context"
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corev1 "k8s.io/api/core/v1"
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apierrors "k8s.io/apimachinery/pkg/api/errors"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/client-go/kubernetes"
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corev1listers "k8s.io/client-go/listers/core/v1"
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)
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func NamespaceGetterFromClient(client kubernetes.Interface) NamespaceGetter {
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return &namespaceGetter{client: client}
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}
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func NamespaceGetterFromListerAndClient(lister corev1listers.NamespaceLister, client kubernetes.Interface) NamespaceGetter {
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return &namespaceGetter{lister: lister, client: client}
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}
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type namespaceGetter struct {
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lister corev1listers.NamespaceLister
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client kubernetes.Interface
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}
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func (n *namespaceGetter) GetNamespace(ctx context.Context, name string) (namespace *corev1.Namespace, err error) {
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if n.lister != nil {
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namespace, err := n.lister.Get(name)
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if err == nil || !apierrors.IsNotFound(err) {
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return namespace, err
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}
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}
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return n.client.CoreV1().Namespaces().Get(ctx, name, metav1.GetOptions{})
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}
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