346 lines
8.2 KiB
Go
346 lines
8.2 KiB
Go
/*
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Copyright The Velero Contributors.
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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 kube
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import (
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"context"
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"testing"
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"time"
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"github.com/pkg/errors"
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"github.com/stretchr/testify/assert"
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corev1api "k8s.io/api/core/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/client-go/kubernetes"
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"k8s.io/client-go/kubernetes/fake"
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clientTesting "k8s.io/client-go/testing"
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velerotest "github.com/vmware-tanzu/velero/pkg/test"
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)
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func TestEnsureDeletePod(t *testing.T) {
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podObject := &corev1api.Pod{
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ObjectMeta: metav1.ObjectMeta{
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Namespace: "fake-ns",
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Name: "fake-pod",
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},
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}
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tests := []struct {
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name string
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clientObj []runtime.Object
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podName string
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namespace string
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reactors []reactor
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err string
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}{
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{
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name: "delete fail",
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podName: "fake-pod",
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namespace: "fake-ns",
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err: "error to delete pod fake-pod: pods \"fake-pod\" not found",
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},
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{
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name: "wait fail",
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podName: "fake-pod",
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namespace: "fake-ns",
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clientObj: []runtime.Object{podObject},
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reactors: []reactor{
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{
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verb: "get",
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resource: "pods",
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reactorFunc: func(action clientTesting.Action) (handled bool, ret runtime.Object, err error) {
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return true, nil, errors.New("fake-get-error")
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},
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},
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},
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err: "error to assure pod is deleted, fake-pod: error to get pod fake-pod: fake-get-error",
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},
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}
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for _, test := range tests {
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t.Run(test.name, func(t *testing.T) {
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fakeKubeClient := fake.NewSimpleClientset(test.clientObj...)
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for _, reactor := range test.reactors {
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fakeKubeClient.Fake.PrependReactor(reactor.verb, reactor.resource, reactor.reactorFunc)
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}
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var kubeClient kubernetes.Interface = fakeKubeClient
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err := EnsureDeletePod(context.Background(), kubeClient.CoreV1(), test.podName, test.namespace, time.Millisecond)
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if err != nil {
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assert.EqualError(t, err, test.err)
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} else {
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assert.NoError(t, err)
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}
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})
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}
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}
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func TestIsPodRunning(t *testing.T) {
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tests := []struct {
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name string
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pod *corev1api.Pod
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err string
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}{
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{
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name: "pod is nil",
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err: "invalid input pod",
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},
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{
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name: "pod is not scheduled",
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pod: &corev1api.Pod{
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ObjectMeta: metav1.ObjectMeta{
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Namespace: "fake-ns",
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Name: "fake-pod",
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},
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Status: corev1api.PodStatus{
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Phase: "fake-phase",
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},
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},
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err: "pod is not scheduled, name=fake-pod, namespace=fake-ns, phase=fake-phase",
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},
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{
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name: "pod is not running",
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pod: &corev1api.Pod{
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ObjectMeta: metav1.ObjectMeta{
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Namespace: "fake-ns",
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Name: "fake-pod",
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},
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Spec: corev1api.PodSpec{
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NodeName: "fake-node",
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},
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Status: corev1api.PodStatus{
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Phase: "fake-phase",
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},
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},
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err: "pod is not in the expected status, name=fake-pod, namespace=fake-ns, phase=fake-phase: pod is not running",
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},
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{
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name: "pod is being deleted",
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pod: &corev1api.Pod{
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ObjectMeta: metav1.ObjectMeta{
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Namespace: "fake-ns",
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Name: "fake-pod",
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DeletionTimestamp: &metav1.Time{Time: time.Now()},
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},
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Spec: corev1api.PodSpec{
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NodeName: "fake-node",
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},
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Status: corev1api.PodStatus{
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Phase: corev1api.PodRunning,
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},
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},
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err: "pod is being terminated, name=fake-pod, namespace=fake-ns, phase=Running",
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},
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{
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name: "success",
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pod: &corev1api.Pod{
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ObjectMeta: metav1.ObjectMeta{
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Namespace: "fake-ns",
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Name: "fake-pod",
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},
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Spec: corev1api.PodSpec{
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NodeName: "fake-node",
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},
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Status: corev1api.PodStatus{
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Phase: corev1api.PodRunning,
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},
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},
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},
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}
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for _, test := range tests {
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t.Run(test.name, func(t *testing.T) {
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err := IsPodRunning(test.pod)
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if err != nil {
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assert.EqualError(t, err, test.err)
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} else {
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assert.NoError(t, err)
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}
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})
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}
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}
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func TestIsPodScheduled(t *testing.T) {
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tests := []struct {
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name string
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pod *corev1api.Pod
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err string
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}{
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{
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name: "pod is nil",
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err: "invalid input pod",
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},
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{
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name: "pod is not scheduled",
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pod: &corev1api.Pod{
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ObjectMeta: metav1.ObjectMeta{
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Namespace: "fake-ns",
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Name: "fake-pod",
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},
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Status: corev1api.PodStatus{
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Phase: "fake-phase",
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},
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},
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err: "pod is not scheduled, name=fake-pod, namespace=fake-ns, phase=fake-phase",
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},
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{
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name: "pod is not running or pending",
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pod: &corev1api.Pod{
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ObjectMeta: metav1.ObjectMeta{
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Namespace: "fake-ns",
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Name: "fake-pod",
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},
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Spec: corev1api.PodSpec{
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NodeName: "fake-node",
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},
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Status: corev1api.PodStatus{
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Phase: "fake-phase",
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},
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},
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err: "pod is not in the expected status, name=fake-pod, namespace=fake-ns, phase=fake-phase: pod is not running or pending",
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},
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{
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name: "pod is being deleted",
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pod: &corev1api.Pod{
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ObjectMeta: metav1.ObjectMeta{
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Namespace: "fake-ns",
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Name: "fake-pod",
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DeletionTimestamp: &metav1.Time{Time: time.Now()},
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},
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Spec: corev1api.PodSpec{
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NodeName: "fake-node",
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},
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Status: corev1api.PodStatus{
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Phase: corev1api.PodRunning,
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},
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},
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err: "pod is being terminated, name=fake-pod, namespace=fake-ns, phase=Running",
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},
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{
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name: "success on running",
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pod: &corev1api.Pod{
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ObjectMeta: metav1.ObjectMeta{
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Namespace: "fake-ns",
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Name: "fake-pod",
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},
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Spec: corev1api.PodSpec{
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NodeName: "fake-node",
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},
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Status: corev1api.PodStatus{
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Phase: corev1api.PodRunning,
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},
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},
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},
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{
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name: "success on pending",
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pod: &corev1api.Pod{
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ObjectMeta: metav1.ObjectMeta{
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Namespace: "fake-ns",
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Name: "fake-pod",
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},
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Spec: corev1api.PodSpec{
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NodeName: "fake-node",
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},
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Status: corev1api.PodStatus{
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Phase: corev1api.PodPending,
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},
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},
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},
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}
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for _, test := range tests {
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t.Run(test.name, func(t *testing.T) {
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err := IsPodScheduled(test.pod)
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if err != nil {
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assert.EqualError(t, err, test.err)
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} else {
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assert.NoError(t, err)
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}
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})
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}
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}
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func TestDeletePodIfAny(t *testing.T) {
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tests := []struct {
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name string
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podName string
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podNamespace string
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kubeClientObj []runtime.Object
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kubeReactors []reactor
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logMessage string
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logLevel string
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logError string
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}{
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{
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name: "get fail",
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podName: "fake-pod",
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podNamespace: "fake-namespace",
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logMessage: "Abort deleting pod, it doesn't exist fake-namespace/fake-pod",
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logLevel: "level=debug",
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},
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{
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name: "delete fail",
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podName: "fake-pod",
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podNamespace: "fake-namespace",
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kubeReactors: []reactor{
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{
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verb: "delete",
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resource: "pods",
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reactorFunc: func(action clientTesting.Action) (handled bool, ret runtime.Object, err error) {
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return true, nil, errors.New("fake-delete-error")
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},
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},
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},
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logMessage: "Failed to delete pod fake-namespace/fake-pod",
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logLevel: "level=error",
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logError: "error=fake-delete-error",
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},
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}
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for _, test := range tests {
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t.Run(test.name, func(t *testing.T) {
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fakeKubeClient := fake.NewSimpleClientset(test.kubeClientObj...)
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for _, reactor := range test.kubeReactors {
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fakeKubeClient.Fake.PrependReactor(reactor.verb, reactor.resource, reactor.reactorFunc)
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}
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var kubeClient kubernetes.Interface = fakeKubeClient
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logMessage := ""
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DeletePodIfAny(context.Background(), kubeClient.CoreV1(), test.podName, test.podNamespace, velerotest.NewSingleLogger(&logMessage))
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if len(test.logMessage) > 0 {
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assert.Contains(t, logMessage, test.logMessage)
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}
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if len(test.logLevel) > 0 {
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assert.Contains(t, logMessage, test.logLevel)
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}
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if len(test.logError) > 0 {
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assert.Contains(t, logMessage, test.logError)
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}
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})
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}
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}
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