593 lines
14 KiB
Go
593 lines
14 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 nodeagent
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import (
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"context"
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"testing"
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"github.com/pkg/errors"
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"github.com/stretchr/testify/assert"
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appsv1api "k8s.io/api/apps/v1"
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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/fake"
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clientTesting "k8s.io/client-go/testing"
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clientFake "sigs.k8s.io/controller-runtime/pkg/client/fake"
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"github.com/vmware-tanzu/velero/pkg/builder"
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"github.com/vmware-tanzu/velero/pkg/util/kube"
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)
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type reactor struct {
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verb string
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resource string
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reactorFunc clientTesting.ReactionFunc
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}
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func TestIsRunning(t *testing.T) {
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ds := &appsv1api.DaemonSet{
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ObjectMeta: metav1.ObjectMeta{
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Namespace: "fake-ns",
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Name: "node-agent",
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},
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TypeMeta: metav1.TypeMeta{
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Kind: "DaemonSet",
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},
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}
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tests := []struct {
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name string
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kubeClientObj []runtime.Object
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namespace string
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kubeReactors []reactor
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expectErr string
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}{
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{
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name: "ds is not found",
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namespace: "fake-ns",
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expectErr: "daemonset not found",
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},
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{
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name: "ds get error",
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namespace: "fake-ns",
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kubeReactors: []reactor{
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{
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verb: "get",
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resource: "daemonsets",
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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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expectErr: "fake-get-error",
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},
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{
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name: "succeed",
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namespace: "fake-ns",
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kubeClientObj: []runtime.Object{
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ds,
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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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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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err := isRunning(context.TODO(), fakeKubeClient, test.namespace, daemonSet)
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if test.expectErr == "" {
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assert.NoError(t, err)
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} else {
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assert.EqualError(t, err, test.expectErr)
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}
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})
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}
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}
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func TestIsRunningInNode(t *testing.T) {
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scheme := runtime.NewScheme()
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corev1api.AddToScheme(scheme)
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nonNodeAgentPod := builder.ForPod("fake-ns", "fake-pod").Result()
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nodeAgentPodNotRunning := builder.ForPod("fake-ns", "fake-pod").Labels(map[string]string{"role": "node-agent"}).Result()
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nodeAgentPodRunning1 := builder.ForPod("fake-ns", "fake-pod-1").Labels(map[string]string{"role": "node-agent"}).Phase(corev1api.PodRunning).Result()
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nodeAgentPodRunning2 := builder.ForPod("fake-ns", "fake-pod-2").Labels(map[string]string{"role": "node-agent"}).Phase(corev1api.PodRunning).Result()
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nodeAgentPodRunning3 := builder.ForPod("fake-ns", "fake-pod-3").
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Labels(map[string]string{"role": "node-agent"}).
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Phase(corev1api.PodRunning).
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NodeName("fake-node").
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Result()
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tests := []struct {
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name string
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kubeClientObj []runtime.Object
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nodeName string
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expectErr string
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}{
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{
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name: "node name is empty",
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expectErr: "node name is empty",
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},
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{
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name: "ds pod not found",
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nodeName: "fake-node",
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kubeClientObj: []runtime.Object{
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nonNodeAgentPod,
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},
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expectErr: "daemonset pod not found in running state in node fake-node",
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},
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{
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name: "ds po are not all running",
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nodeName: "fake-node",
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kubeClientObj: []runtime.Object{
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nodeAgentPodNotRunning,
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nodeAgentPodRunning1,
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},
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expectErr: "daemonset pod not found in running state in node fake-node",
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},
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{
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name: "ds pods wrong node name",
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nodeName: "fake-node",
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kubeClientObj: []runtime.Object{
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nodeAgentPodNotRunning,
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nodeAgentPodRunning1,
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nodeAgentPodRunning2,
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},
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expectErr: "daemonset pod not found in running state in node fake-node",
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},
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{
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name: "succeed",
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nodeName: "fake-node",
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kubeClientObj: []runtime.Object{
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nodeAgentPodNotRunning,
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nodeAgentPodRunning1,
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nodeAgentPodRunning2,
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nodeAgentPodRunning3,
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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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fakeClientBuilder := clientFake.NewClientBuilder()
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fakeClientBuilder = fakeClientBuilder.WithScheme(scheme)
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fakeClient := fakeClientBuilder.WithRuntimeObjects(test.kubeClientObj...).Build()
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err := IsRunningInNode(context.TODO(), "", test.nodeName, fakeClient)
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if test.expectErr == "" {
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assert.NoError(t, err)
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} else {
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assert.EqualError(t, err, test.expectErr)
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}
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})
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}
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}
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func TestGetPodSpec(t *testing.T) {
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podSpec := corev1api.PodSpec{
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NodeName: "fake-node",
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}
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daemonSet := &appsv1api.DaemonSet{
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ObjectMeta: metav1.ObjectMeta{
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Namespace: "fake-ns",
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Name: "node-agent",
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},
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TypeMeta: metav1.TypeMeta{
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Kind: "DaemonSet",
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},
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Spec: appsv1api.DaemonSetSpec{
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Template: corev1api.PodTemplateSpec{
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Spec: podSpec,
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},
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},
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}
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tests := []struct {
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name string
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kubeClientObj []runtime.Object
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namespace string
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expectErr string
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expectSpec corev1api.PodSpec
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}{
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{
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name: "ds is not found",
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namespace: "fake-ns",
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expectErr: "error to get node-agent daemonset: daemonsets.apps \"node-agent\" not found",
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},
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{
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name: "succeed",
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namespace: "fake-ns",
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kubeClientObj: []runtime.Object{
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daemonSet,
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},
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expectSpec: podSpec,
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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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spec, err := GetPodSpec(context.TODO(), fakeKubeClient, test.namespace, kube.NodeOSLinux)
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if test.expectErr == "" {
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assert.NoError(t, err)
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assert.Equal(t, *spec, test.expectSpec)
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} else {
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assert.EqualError(t, err, test.expectErr)
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}
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})
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}
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}
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func TestGetConfigs(t *testing.T) {
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cm := builder.ForConfigMap("fake-ns", "node-agent-config").Result()
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cmWithInvalidDataFormat := builder.ForConfigMap("fake-ns", "node-agent-config").Data("fake-key", "wrong").Result()
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cmWithoutCocurrentData := builder.ForConfigMap("fake-ns", "node-agent-config").Data("fake-key", "{\"someothers\":{\"someother\": 10}}").Result()
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cmWithValidData := builder.ForConfigMap("fake-ns", "node-agent-config").Data("fake-key", "{\"loadConcurrency\":{\"globalConfig\": 5}}").Result()
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tests := []struct {
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name string
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kubeClientObj []runtime.Object
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namespace string
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kubeReactors []reactor
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expectResult *Configs
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expectErr string
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}{
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{
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name: "cm get error",
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namespace: "fake-ns",
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kubeReactors: []reactor{
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{
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verb: "get",
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resource: "configmaps",
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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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expectErr: "error to get node agent configs node-agent-config: fake-get-error",
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},
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{
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name: "cm's data is nil",
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namespace: "fake-ns",
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kubeClientObj: []runtime.Object{
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cm,
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},
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expectErr: "data is not available in config map node-agent-config",
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},
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{
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name: "cm's data is with invalid format",
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namespace: "fake-ns",
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kubeClientObj: []runtime.Object{
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cmWithInvalidDataFormat,
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},
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expectErr: "error to unmarshall configs from node-agent-config: invalid character 'w' looking for beginning of value",
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},
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{
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name: "concurrency configs are not found",
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namespace: "fake-ns",
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kubeClientObj: []runtime.Object{
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cmWithoutCocurrentData,
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},
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expectResult: &Configs{},
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},
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{
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name: "success",
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namespace: "fake-ns",
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kubeClientObj: []runtime.Object{
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cmWithValidData,
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},
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expectResult: &Configs{
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LoadConcurrency: &LoadConcurrency{
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GlobalConfig: 5,
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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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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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result, err := GetConfigs(context.TODO(), test.namespace, fakeKubeClient, "node-agent-config")
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if test.expectErr == "" {
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assert.NoError(t, err)
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if test.expectResult == nil {
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assert.Nil(t, result)
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} else if test.expectResult.LoadConcurrency == nil {
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assert.Nil(t, result.LoadConcurrency)
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} else {
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assert.Equal(t, *test.expectResult.LoadConcurrency, *result.LoadConcurrency)
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}
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} else {
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assert.EqualError(t, err, test.expectErr)
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}
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})
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}
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}
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func TestGetLabelValue(t *testing.T) {
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daemonSet := &appsv1api.DaemonSet{
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ObjectMeta: metav1.ObjectMeta{
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Namespace: "fake-ns",
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Name: "node-agent",
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},
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TypeMeta: metav1.TypeMeta{
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Kind: "DaemonSet",
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},
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}
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daemonSetWithOtherLabel := &appsv1api.DaemonSet{
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ObjectMeta: metav1.ObjectMeta{
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Namespace: "fake-ns",
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Name: "node-agent",
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},
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TypeMeta: metav1.TypeMeta{
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Kind: "DaemonSet",
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},
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Spec: appsv1api.DaemonSetSpec{
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Template: corev1api.PodTemplateSpec{
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ObjectMeta: metav1.ObjectMeta{
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Labels: map[string]string{
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"fake-other-label": "fake-value-1",
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},
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},
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},
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},
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}
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daemonSetWithLabel := &appsv1api.DaemonSet{
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ObjectMeta: metav1.ObjectMeta{
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Namespace: "fake-ns",
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Name: "node-agent",
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},
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TypeMeta: metav1.TypeMeta{
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Kind: "DaemonSet",
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},
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Spec: appsv1api.DaemonSetSpec{
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Template: corev1api.PodTemplateSpec{
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ObjectMeta: metav1.ObjectMeta{
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Labels: map[string]string{
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"fake-label": "fake-value-2",
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},
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},
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},
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},
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}
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daemonSetWithEmptyLabel := &appsv1api.DaemonSet{
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ObjectMeta: metav1.ObjectMeta{
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Namespace: "fake-ns",
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Name: "node-agent",
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},
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TypeMeta: metav1.TypeMeta{
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Kind: "DaemonSet",
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},
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Spec: appsv1api.DaemonSetSpec{
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Template: corev1api.PodTemplateSpec{
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ObjectMeta: metav1.ObjectMeta{
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Labels: map[string]string{
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"fake-label": "",
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},
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},
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},
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},
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}
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tests := []struct {
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name string
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kubeClientObj []runtime.Object
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namespace string
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expectedValue string
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expectErr string
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}{
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{
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name: "ds get error",
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namespace: "fake-ns",
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expectErr: "error getting node-agent daemonset: daemonsets.apps \"node-agent\" not found",
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},
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{
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name: "no label",
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namespace: "fake-ns",
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kubeClientObj: []runtime.Object{
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daemonSet,
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},
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expectErr: ErrNodeAgentLabelNotFound.Error(),
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},
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{
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name: "no expecting label",
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namespace: "fake-ns",
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kubeClientObj: []runtime.Object{
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daemonSetWithOtherLabel,
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},
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expectErr: ErrNodeAgentLabelNotFound.Error(),
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},
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{
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name: "expecting label",
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namespace: "fake-ns",
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kubeClientObj: []runtime.Object{
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daemonSetWithLabel,
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},
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expectedValue: "fake-value-2",
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},
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{
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name: "expecting empty label",
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namespace: "fake-ns",
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kubeClientObj: []runtime.Object{
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daemonSetWithEmptyLabel,
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},
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expectedValue: "",
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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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value, err := GetLabelValue(context.TODO(), fakeKubeClient, test.namespace, "fake-label", kube.NodeOSLinux)
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if test.expectErr == "" {
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assert.NoError(t, err)
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assert.Equal(t, test.expectedValue, value)
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} else {
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assert.EqualError(t, err, test.expectErr)
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}
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})
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}
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}
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func TestGetAnnotationValue(t *testing.T) {
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daemonSet := &appsv1api.DaemonSet{
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ObjectMeta: metav1.ObjectMeta{
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Namespace: "fake-ns",
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Name: "node-agent",
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},
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TypeMeta: metav1.TypeMeta{
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Kind: "DaemonSet",
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},
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}
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daemonSetWithOtherAnnotation := &appsv1api.DaemonSet{
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ObjectMeta: metav1.ObjectMeta{
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Namespace: "fake-ns",
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Name: "node-agent",
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},
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TypeMeta: metav1.TypeMeta{
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Kind: "DaemonSet",
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},
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Spec: appsv1api.DaemonSetSpec{
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Template: corev1api.PodTemplateSpec{
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ObjectMeta: metav1.ObjectMeta{
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Annotations: map[string]string{
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"fake-other-annotation": "fake-value-1",
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},
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},
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},
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},
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}
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daemonSetWithAnnotation := &appsv1api.DaemonSet{
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ObjectMeta: metav1.ObjectMeta{
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Namespace: "fake-ns",
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Name: "node-agent",
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},
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TypeMeta: metav1.TypeMeta{
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Kind: "DaemonSet",
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},
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Spec: appsv1api.DaemonSetSpec{
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Template: corev1api.PodTemplateSpec{
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ObjectMeta: metav1.ObjectMeta{
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Annotations: map[string]string{
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"fake-annotation": "fake-value-2",
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},
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},
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},
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},
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}
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daemonSetWithEmptyAnnotation := &appsv1api.DaemonSet{
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ObjectMeta: metav1.ObjectMeta{
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Namespace: "fake-ns",
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Name: "node-agent",
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},
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TypeMeta: metav1.TypeMeta{
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Kind: "DaemonSet",
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},
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Spec: appsv1api.DaemonSetSpec{
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Template: corev1api.PodTemplateSpec{
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ObjectMeta: metav1.ObjectMeta{
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Annotations: map[string]string{
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"fake-annotation": "",
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},
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},
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},
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},
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}
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|
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tests := []struct {
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name string
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kubeClientObj []runtime.Object
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namespace string
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expectedValue string
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expectErr string
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}{
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{
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name: "ds get error",
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namespace: "fake-ns",
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expectErr: "error getting node-agent daemonset: daemonsets.apps \"node-agent\" not found",
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},
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{
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name: "no annotation",
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namespace: "fake-ns",
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kubeClientObj: []runtime.Object{
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daemonSet,
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},
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expectErr: ErrNodeAgentAnnotationNotFound.Error(),
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},
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{
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name: "no expecting annotation",
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namespace: "fake-ns",
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kubeClientObj: []runtime.Object{
|
|
daemonSetWithOtherAnnotation,
|
|
},
|
|
expectErr: ErrNodeAgentAnnotationNotFound.Error(),
|
|
},
|
|
{
|
|
name: "expecting annotation",
|
|
namespace: "fake-ns",
|
|
kubeClientObj: []runtime.Object{
|
|
daemonSetWithAnnotation,
|
|
},
|
|
expectedValue: "fake-value-2",
|
|
},
|
|
{
|
|
name: "expecting empty annotation",
|
|
namespace: "fake-ns",
|
|
kubeClientObj: []runtime.Object{
|
|
daemonSetWithEmptyAnnotation,
|
|
},
|
|
expectedValue: "",
|
|
},
|
|
}
|
|
|
|
for _, test := range tests {
|
|
t.Run(test.name, func(t *testing.T) {
|
|
fakeKubeClient := fake.NewSimpleClientset(test.kubeClientObj...)
|
|
|
|
value, err := GetAnnotationValue(context.TODO(), fakeKubeClient, test.namespace, "fake-annotation", kube.NodeOSLinux)
|
|
if test.expectErr == "" {
|
|
assert.NoError(t, err)
|
|
assert.Equal(t, test.expectedValue, value)
|
|
} else {
|
|
assert.EqualError(t, err, test.expectErr)
|
|
}
|
|
})
|
|
}
|
|
}
|