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https://github.com/TECHNOFAB11/zfs-localpv.git
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59 lines
1.9 KiB
Go
59 lines
1.9 KiB
Go
/*
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Copyright 2020 The OpenEBS 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 k8s
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import (
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"github.com/pkg/errors"
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corev1 "k8s.io/api/core/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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)
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// NamespaceGetter abstracts fetching of Namespace from kubernetes cluster
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type NamespaceGetter interface {
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Get(name string, options metav1.GetOptions) (*corev1.Namespace, error)
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}
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// NamespaceLister abstracts fetching of a list of namespaces from kubernetes cluster
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type NamespaceLister interface {
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List(options metav1.ListOptions) (*corev1.NamespaceList, error)
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}
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// NamespaceStruct is used to initialise kubernetes namespace instnaces
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type NamespaceStruct struct{}
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// Namespace returns a pointer to the namespace struct
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func Namespace() *NamespaceStruct {
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return &NamespaceStruct{}
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}
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// Get returns a namespace instance from kubernetes cluster
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func (ns *NamespaceStruct) Get(name string, options metav1.GetOptions) (*corev1.Namespace, error) {
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cs, err := Clientset().Get()
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if err != nil {
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return nil, errors.Wrapf(err, "failed to get namespace: %s", name)
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}
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return cs.CoreV1().Namespaces().Get(name, options)
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}
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// List returns a slice of namespaces defined in a Kubernetes cluster
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func (ns *NamespaceStruct) List(options metav1.ListOptions) (*corev1.NamespaceList, error) {
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cs, err := Clientset().Get()
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if err != nil {
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return nil, errors.Wrapf(err, "failed to get namespaces")
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}
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return cs.CoreV1().Namespaces().List(options)
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}
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