mirror of
https://github.com/TECHNOFAB11/zfs-localpv.git
synced 2026-02-02 15:45:13 +01:00
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
417
tests/deploy/kubernetes.go
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417
tests/deploy/kubernetes.go
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/*
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Copyright 2019 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 deploy
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import (
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"encoding/json"
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"strings"
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client "github.com/openebs/zfs-localpv/pkg/common/kubernetes/client"
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"github.com/pkg/errors"
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appsv1 "k8s.io/api/apps/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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types "k8s.io/apimachinery/pkg/types"
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"k8s.io/client-go/kubernetes"
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)
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// getClientsetFn is a typed function
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// that abstracts fetching of kubernetes clientset
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type getClientsetFn func() (*kubernetes.Clientset, error)
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// getClientsetFromPathFn is a typed function that
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// abstracts fetching of clientset from kubeconfig path
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type getClientsetForPathFn func(path string) (*kubernetes.Clientset, error)
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// getFn is a typed function that abstracts fetching a
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// deployment instance from kubernetes cluster
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type getFn func(
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cli *kubernetes.Clientset,
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name string,
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namespace string,
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opts *metav1.GetOptions,
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) (*appsv1.Deployment, error)
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// listFn is a typed function that abstracts listing
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// deployment instances from kubernetes cluster
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type listFn func(
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cli *kubernetes.Clientset,
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namespace string,
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opts *metav1.ListOptions,
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) (*appsv1.DeploymentList, error)
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// createFn is a typed function that abstracts
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// creating a deployment instance in kubernetes cluster
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type createFn func(
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cli *kubernetes.Clientset,
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namespace string,
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deploy *appsv1.Deployment,
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) (*appsv1.Deployment, error)
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// deleteFn is a typed function that abstracts
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// deleting a deployment from kubernetes cluster
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type deleteFn func(
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cli *kubernetes.Clientset,
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namespace string,
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name string,
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opts *metav1.DeleteOptions,
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) error
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// patchFn is a typed function that abstracts
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// patching a deployment from kubernetes cluster
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type patchFn func(
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cli *kubernetes.Clientset,
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name, namespace string,
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pt types.PatchType,
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data []byte,
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subresources ...string,
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) (*appsv1.Deployment, error)
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// rolloutStatusFn is a typed function that abstracts
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// fetching rollout status of a deployment instance from
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// kubernetes cluster
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type rolloutStatusFn func(d *appsv1.Deployment) (*RolloutOutput, error)
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// rolloutStatusfFn is a typed function that abstracts
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// fetching rollout status of a deployment instance from
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// kubernetes cluster
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type rolloutStatusfFn func(d *appsv1.Deployment) ([]byte, error)
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// defaultGetClientset is the default implementation to
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// get kubernetes clientset instance
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func defaultGetClientset() (*kubernetes.Clientset, error) {
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return client.Instance().Clientset()
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}
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// defaultGetClientsetForPath is the default implementation to
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// get kubernetes clientset instance based on the given
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// kubeconfig path
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func defaultGetClientsetForPath(path string) (*kubernetes.Clientset, error) {
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return client.New(client.WithKubeConfigPath(path)).Clientset()
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}
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// defaultGet is the default implementation to get a
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// deployment instance from kubernetes cluster
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func defaultGet(
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cli *kubernetes.Clientset,
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name string,
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namespace string,
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opts *metav1.GetOptions,
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) (*appsv1.Deployment, error) {
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return cli.AppsV1().Deployments(namespace).Get(name, *opts)
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}
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// defaultList is the default implementation to list
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// deployment instances from kubernetes cluster
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func defaultList(
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cli *kubernetes.Clientset,
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namespace string,
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opts *metav1.ListOptions,
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) (*appsv1.DeploymentList, error) {
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return cli.AppsV1().Deployments(namespace).List(*opts)
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}
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// defaultCreate is the default implementation to create
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// a deployment instance in kubernetes cluster
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func defaultCreate(
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cli *kubernetes.Clientset,
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namespace string,
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deploy *appsv1.Deployment,
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) (*appsv1.Deployment, error) {
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return cli.AppsV1().Deployments(namespace).Create(deploy)
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}
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// defaultDel is the default implementation to delete a
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// deployment instance in kubernetes cluster
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func defaultDel(
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cli *kubernetes.Clientset,
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namespace string,
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name string,
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opts *metav1.DeleteOptions,
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) error {
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return cli.AppsV1().Deployments(namespace).Delete(name, opts)
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}
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func defaultPatch(
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cli *kubernetes.Clientset,
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name, namespace string,
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pt types.PatchType,
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data []byte,
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subresources ...string,
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) (*appsv1.Deployment, error) {
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return cli.AppsV1().Deployments(namespace).Patch(name, pt, data, subresources...)
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}
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// defaultRolloutStatus is the default implementation to
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// fetch rollout status of a deployment instance from kubernetes
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// cluster
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func defaultRolloutStatus(d *appsv1.Deployment) (*RolloutOutput, error) {
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b := NewForAPIObject(d)
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return b.RolloutStatus()
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}
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// defaultRolloutStatusf is the default implementation to fetch
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// rollout status of a deployment instance from kubernetes cluster
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func defaultRolloutStatusf(d *appsv1.Deployment) ([]byte, error) {
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b := NewForAPIObject(d)
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return b.RolloutStatusRaw()
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}
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// Kubeclient enables kubernetes API operations on deployment instance
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type Kubeclient struct {
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// clientset refers to kubernetes clientset
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//
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// It enables CRUD operations of a deployment instance
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// against a kubernetes cluster
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clientset *kubernetes.Clientset
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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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get getFn
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list listFn
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create createFn
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del deleteFn
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patch patchFn
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rolloutStatus rolloutStatusFn
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rolloutStatusf rolloutStatusfFn
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}
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// KubeclientBuildOption defines the abstraction to build a
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// kubeclient instance
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type KubeclientBuildOption func(*Kubeclient)
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// withDefaults sets kubeclient instance's fields with defaults
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// if these fields are not set
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func (k *Kubeclient) withDefaults() {
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if k.getClientset == nil {
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k.getClientset = defaultGetClientset
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}
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if k.getClientsetForPath == nil {
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k.getClientsetForPath = defaultGetClientsetForPath
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}
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if k.get == nil {
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k.get = defaultGet
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}
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if k.list == nil {
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k.list = defaultList
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}
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if k.create == nil {
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k.create = defaultCreate
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}
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if k.del == nil {
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k.del = defaultDel
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}
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if k.patch == nil {
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k.patch = defaultPatch
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}
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if k.rolloutStatus == nil {
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k.rolloutStatus = defaultRolloutStatus
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}
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if k.rolloutStatusf == nil {
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k.rolloutStatusf = defaultRolloutStatusf
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}
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}
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// WithClientset sets the kubernetes client against 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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// 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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// 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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// WithNamespace set namespace in kubeclient object
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func WithNamespace(namespace string) KubeclientBuildOption {
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return func(k *Kubeclient) {
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k.namespace = namespace
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}
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}
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// NewKubeClient returns a new instance of kubeclient meant for deployment.
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// caller can configure it with different kubeclientBuildOption
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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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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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// getClientOrCached returns either a new instance
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// of kubernetes client or its cached copy
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func (k *Kubeclient) getClientOrCached() (*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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c, err := k.getClientsetForPathOrDirect()
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if err != nil {
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return nil, err
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}
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k.clientset = c
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return k.clientset, nil
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}
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// Get returns deployment object for given name
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func (k *Kubeclient) Get(name string) (*appsv1.Deployment, error) {
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cli, err := k.getClientOrCached()
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if err != nil {
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return nil, err
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}
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return k.get(cli, name, k.namespace, &metav1.GetOptions{})
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}
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// List returns deployment object for given name
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func (k *Kubeclient) List(opts *metav1.ListOptions) (*appsv1.DeploymentList, error) {
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cli, err := k.getClientOrCached()
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if err != nil {
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return nil, err
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}
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return k.list(cli, k.namespace, opts)
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}
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// Patch patches deployment object for given name
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func (k *Kubeclient) Patch(
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name string,
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pt types.PatchType,
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data []byte,
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subresources ...string,
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) (*appsv1.Deployment, error) {
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cli, err := k.getClientOrCached()
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if err != nil {
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return nil, err
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}
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return k.patch(cli, name, k.namespace, pt, data, subresources...)
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}
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// GetRaw returns deployment object for given name
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func (k *Kubeclient) GetRaw(name string) ([]byte, error) {
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cli, err := k.getClientOrCached()
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if err != nil {
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return nil, err
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}
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d, err := k.get(cli, name, k.namespace, &metav1.GetOptions{})
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if err != nil {
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return nil, err
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}
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return json.Marshal(d)
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}
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// Delete deletes a deployment instance from the
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// kubernetes cluster
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func (k *Kubeclient) Delete(name string, opts *metav1.DeleteOptions) error {
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if strings.TrimSpace(name) == "" {
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return errors.New("failed to delete deployment: missing deployment name")
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}
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cli, err := k.getClientOrCached()
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if err != nil {
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return errors.Wrapf(err, "failed to delete deployment {%s}", name)
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}
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return k.del(cli, k.namespace, name, opts)
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}
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// Create creates a deployment in specified namespace in kubernetes cluster
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func (k *Kubeclient) Create(deployment *appsv1.Deployment) (*appsv1.Deployment, error) {
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if deployment == nil {
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return nil, errors.New("failed to create deployment: nil deployment object")
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}
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cli, err := k.getClientOrCached()
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if err != nil {
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return nil, errors.Wrapf(
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err,
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"failed to create deployment {%s} in namespace {%s}",
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deployment.Name,
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deployment.Namespace,
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)
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}
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return k.create(cli, k.namespace, deployment)
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}
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// RolloutStatusf returns deployment's rollout status for given name
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// in raw bytes
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func (k *Kubeclient) RolloutStatusf(name string) (op []byte, err error) {
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cli, err := k.getClientOrCached()
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if err != nil {
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return nil, err
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}
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d, err := k.get(cli, name, k.namespace, &metav1.GetOptions{})
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if err != nil {
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return nil, err
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}
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return k.rolloutStatusf(d)
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}
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// RolloutStatus returns deployment's rollout status for given name
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func (k *Kubeclient) RolloutStatus(name string) (*RolloutOutput, error) {
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cli, err := k.getClientOrCached()
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if err != nil {
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return nil, err
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}
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d, err := k.get(cli, name, k.namespace, &metav1.GetOptions{})
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if err != nil {
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return nil, err
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}
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return k.rolloutStatus(d)
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}
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