mirror of
https://github.com/TECHNOFAB11/zfs-localpv.git
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test(zfspv): minikube setup for travis
to run integration test cases Signed-off-by: Pawan <pawan@mayadata.io>
This commit is contained in:
Pawan
Kiran Mova
parent
7ab6156b98
commit
d933b47c75
27 changed files with 4933 additions and 5 deletions
288
tests/pvc/kubernetes.go
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288
tests/pvc/kubernetes.go
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// Copyright 2019 The OpenEBS Authors
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package pvc
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import (
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"strings"
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"github.com/openebs/zfs-localpv/pkg/common/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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client "github.com/openebs/zfs-localpv/pkg/common/kubernetes/client"
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"k8s.io/client-go/kubernetes"
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)
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// getClientsetFn is a typed function that
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// abstracts fetching of clientset
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type getClientsetFn func() (clientset *kubernetes.Clientset, err error)
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// getClientsetFromPathFn is a typed function that
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// abstracts fetching of clientset from kubeConfigPath
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type getClientsetForPathFn func(kubeConfigPath string) (clientset *kubernetes.Clientset, err error)
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// getpvcFn is a typed function that
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// abstracts fetching of pvc
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type getFn func(cli *kubernetes.Clientset, name string, namespace string, opts metav1.GetOptions) (*corev1.PersistentVolumeClaim, error)
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// listFn is a typed function that abstracts
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// listing of pvcs
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type listFn func(cli *kubernetes.Clientset, namespace string, opts metav1.ListOptions) (*corev1.PersistentVolumeClaimList, error)
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// deleteFn is a typed function that abstracts
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// deletion of pvcs
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type deleteFn func(cli *kubernetes.Clientset, namespace string, name string, deleteOpts *metav1.DeleteOptions) error
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// deleteFn is a typed function that abstracts
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// deletion of pvc's collection
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type deleteCollectionFn func(cli *kubernetes.Clientset, namespace string, listOpts metav1.ListOptions, deleteOpts *metav1.DeleteOptions) error
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// createFn is a typed function that abstracts
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// creation of pvc
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type createFn func(cli *kubernetes.Clientset, namespace string, pvc *corev1.PersistentVolumeClaim) (*corev1.PersistentVolumeClaim, error)
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// updateFn is a typed function that abstracts
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// updation of pvc
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type updateFn func(cli *kubernetes.Clientset, namespace string, pvc *corev1.PersistentVolumeClaim) (*corev1.PersistentVolumeClaim, error)
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// Kubeclient enables kubernetes API operations
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// on pvc instance
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type Kubeclient struct {
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// clientset refers to pvc clientset
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// that will be responsible to
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// make kubernetes API calls
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clientset *kubernetes.Clientset
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// namespace holds the namespace on which
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// kubeclient has to operate
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namespace string
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// kubeconfig path to get kubernetes clientset
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kubeConfigPath string
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// functions useful during mocking
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getClientset getClientsetFn
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getClientsetForPath getClientsetForPathFn
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list listFn
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get getFn
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create createFn
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update updateFn
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del deleteFn
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delCollection deleteCollectionFn
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}
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// KubeclientBuildOption abstracts creating an
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// instance of kubeclient
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type KubeclientBuildOption func(*Kubeclient)
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// withDefaults sets the default options
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// of kubeclient instance
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func (k *Kubeclient) withDefaults() {
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if k.getClientset == nil {
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k.getClientset = func() (clients *kubernetes.Clientset, err error) {
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return client.New().Clientset()
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}
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}
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if k.getClientsetForPath == nil {
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k.getClientsetForPath = func(kubeConfigPath string) (clients *kubernetes.Clientset, err error) {
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return client.New(client.WithKubeConfigPath(kubeConfigPath)).Clientset()
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}
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}
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if k.get == nil {
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k.get = func(cli *kubernetes.Clientset, name string, namespace string, opts metav1.GetOptions) (*corev1.PersistentVolumeClaim, error) {
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return cli.CoreV1().PersistentVolumeClaims(namespace).Get(name, opts)
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}
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}
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if k.list == nil {
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k.list = func(cli *kubernetes.Clientset, namespace string, opts metav1.ListOptions) (*corev1.PersistentVolumeClaimList, error) {
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return cli.CoreV1().PersistentVolumeClaims(namespace).List(opts)
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}
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}
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if k.del == nil {
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k.del = func(cli *kubernetes.Clientset, namespace string, name string, deleteOpts *metav1.DeleteOptions) error {
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return cli.CoreV1().PersistentVolumeClaims(namespace).Delete(name, deleteOpts)
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}
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}
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if k.delCollection == nil {
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k.delCollection = func(cli *kubernetes.Clientset, namespace string, listOpts metav1.ListOptions, deleteOpts *metav1.DeleteOptions) error {
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return cli.CoreV1().PersistentVolumeClaims(namespace).DeleteCollection(deleteOpts, listOpts)
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}
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}
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if k.create == nil {
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k.create = func(cli *kubernetes.Clientset, namespace string, pvc *corev1.PersistentVolumeClaim) (*corev1.PersistentVolumeClaim, error) {
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return cli.CoreV1().PersistentVolumeClaims(namespace).Create(pvc)
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}
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}
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if k.update == nil {
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k.update = func(cli *kubernetes.Clientset, namespace string, pvc *corev1.PersistentVolumeClaim) (*corev1.PersistentVolumeClaim, error) {
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return cli.CoreV1().PersistentVolumeClaims(namespace).Update(pvc)
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}
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}
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}
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// WithClientSet sets the kubernetes client against
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// the kubeclient instance
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func WithClientSet(c *kubernetes.Clientset) KubeclientBuildOption {
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return func(k *Kubeclient) {
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k.clientset = c
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}
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}
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// WithKubeConfigPath sets the kubeConfig path
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// against client instance
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func WithKubeConfigPath(path string) KubeclientBuildOption {
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return func(k *Kubeclient) {
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k.kubeConfigPath = path
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}
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}
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// NewKubeClient returns a new instance of kubeclient meant for
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// pvc operations
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func NewKubeClient(opts ...KubeclientBuildOption) *Kubeclient {
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k := &Kubeclient{}
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for _, o := range opts {
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o(k)
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}
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k.withDefaults()
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return k
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}
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// WithNamespace sets the kubernetes client against
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// the provided namespace
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func (k *Kubeclient) WithNamespace(namespace string) *Kubeclient {
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k.namespace = namespace
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return k
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}
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func (k *Kubeclient) getClientsetForPathOrDirect() (*kubernetes.Clientset, error) {
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if k.kubeConfigPath != "" {
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return k.getClientsetForPath(k.kubeConfigPath)
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}
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return k.getClientset()
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}
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// getClientsetOrCached returns either a new instance
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// of kubernetes client or its cached copy
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func (k *Kubeclient) getClientsetOrCached() (*kubernetes.Clientset, error) {
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if k.clientset != nil {
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return k.clientset, nil
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}
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cs, err := k.getClientsetForPathOrDirect()
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if err != nil {
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return nil, errors.Wrapf(err, "failed to get clientset")
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}
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k.clientset = cs
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return k.clientset, nil
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}
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// Get returns a pvc resource
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// instances present in kubernetes cluster
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func (k *Kubeclient) Get(name string, opts metav1.GetOptions) (*corev1.PersistentVolumeClaim, error) {
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if strings.TrimSpace(name) == "" {
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return nil, errors.New("failed to get pvc: missing pvc name")
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}
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cli, err := k.getClientsetOrCached()
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if err != nil {
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return nil, errors.Wrapf(err, "failed to get pvc {%s}", name)
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}
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return k.get(cli, name, k.namespace, opts)
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}
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// List returns a list of pvc
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// instances present in kubernetes cluster
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func (k *Kubeclient) List(opts metav1.ListOptions) (*corev1.PersistentVolumeClaimList, error) {
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cli, err := k.getClientsetOrCached()
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if err != nil {
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return nil, errors.Wrapf(err, "failed to list pvc listoptions: '%v'", opts)
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}
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return k.list(cli, k.namespace, opts)
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}
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// Delete deletes a pvc instance from the
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// kubecrnetes cluster
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func (k *Kubeclient) Delete(name string, deleteOpts *metav1.DeleteOptions) error {
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if strings.TrimSpace(name) == "" {
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return errors.New("failed to delete pvc: missing pvc name")
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}
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cli, err := k.getClientsetOrCached()
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if err != nil {
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return errors.Wrapf(err, "failed to delete pvc {%s}", name)
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}
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return k.del(cli, k.namespace, name, deleteOpts)
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}
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// Create creates a pvc in specified namespace in kubernetes cluster
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func (k *Kubeclient) Create(pvc *corev1.PersistentVolumeClaim) (*corev1.PersistentVolumeClaim, error) {
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if pvc == nil {
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return nil, errors.New("failed to create pvc: nil pvc object")
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}
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cli, err := k.getClientsetOrCached()
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if err != nil {
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return nil, errors.Wrapf(err, "failed to create pvc {%s} in namespace {%s}", pvc.Name, pvc.Namespace)
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}
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return k.create(cli, k.namespace, pvc)
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}
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// Update updates a pvc in specified namespace in kubernetes cluster
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func (k *Kubeclient) Update(pvc *corev1.PersistentVolumeClaim) (*corev1.PersistentVolumeClaim, error) {
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if pvc == nil {
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return nil, errors.New("failed to update pvc: nil pvc object")
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}
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cli, err := k.getClientsetOrCached()
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if err != nil {
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return nil, errors.Wrapf(err, "failed to update pvc {%s} in namespace {%s}", pvc.Name, pvc.Namespace)
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}
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return k.update(cli, k.namespace, pvc)
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}
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// CreateCollection creates a list of pvcs
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// in specified namespace in kubernetes cluster
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func (k *Kubeclient) CreateCollection(
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list *corev1.PersistentVolumeClaimList,
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) (*corev1.PersistentVolumeClaimList, error) {
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if list == nil || len(list.Items) == 0 {
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return nil, errors.New("failed to create list of pvcs: nil pvc list provided")
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}
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newlist := &corev1.PersistentVolumeClaimList{}
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for _, item := range list.Items {
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item := item
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obj, err := k.Create(&item)
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if err != nil {
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return nil, err
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}
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newlist.Items = append(newlist.Items, *obj)
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}
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return newlist, nil
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}
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// DeleteCollection deletes a collection of pvc objects.
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func (k *Kubeclient) DeleteCollection(listOpts metav1.ListOptions, deleteOpts *metav1.DeleteOptions) error {
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cli, err := k.getClientsetOrCached()
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if err != nil {
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return errors.Wrapf(err, "failed to delete the collection of pvcs")
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}
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return k.delCollection(cli, k.namespace, listOpts, deleteOpts)
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}
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