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586 lines
14 KiB
586 lines
14 KiB
/*
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Copyright The Helm 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 kube // import "helm.sh/helm/v3/pkg/kube"
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import (
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"context"
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"testing"
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appsv1 "k8s.io/api/apps/v1"
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batchv1 "k8s.io/api/batch/v1"
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corev1 "k8s.io/api/core/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/apimachinery/pkg/util/intstr"
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"k8s.io/client-go/kubernetes/fake"
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)
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const defaultNamespace = metav1.NamespaceDefault
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func Test_ReadyChecker_deploymentReady(t *testing.T) {
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type args struct {
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rs *appsv1.ReplicaSet
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dep *appsv1.Deployment
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}
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tests := []struct {
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name string
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args args
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want bool
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}{
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{
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name: "deployment is ready",
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args: args{
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rs: newReplicaSet("foo", 1, 1),
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dep: newDeployment("foo", 1, 1, 0),
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},
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want: true,
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},
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{
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name: "deployment is not ready",
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args: args{
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rs: newReplicaSet("foo", 0, 0),
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dep: newDeployment("foo", 1, 1, 0),
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},
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want: false,
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},
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{
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name: "deployment is ready when maxUnavailable is set",
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args: args{
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rs: newReplicaSet("foo", 2, 1),
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dep: newDeployment("foo", 2, 1, 1),
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},
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want: true,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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c := NewReadyChecker(fake.NewSimpleClientset(), nil)
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if got := c.deploymentReady(tt.args.rs, tt.args.dep); got != tt.want {
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t.Errorf("deploymentReady() = %v, want %v", got, tt.want)
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}
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})
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}
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}
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func Test_ReadyChecker_daemonSetReady(t *testing.T) {
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type args struct {
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ds *appsv1.DaemonSet
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}
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tests := []struct {
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name string
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args args
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want bool
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}{
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{
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name: "daemonset is ready",
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args: args{
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ds: newDaemonSet("foo", 0, 1, 1, 1),
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},
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want: true,
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},
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{
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name: "daemonset is not ready",
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args: args{
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ds: newDaemonSet("foo", 0, 0, 1, 1),
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},
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want: false,
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},
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{
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name: "daemonset pods have not been scheduled successfully",
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args: args{
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ds: newDaemonSet("foo", 0, 0, 1, 0),
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},
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want: false,
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},
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{
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name: "daemonset is ready when maxUnavailable is set",
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args: args{
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ds: newDaemonSet("foo", 1, 1, 2, 2),
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},
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want: true,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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c := NewReadyChecker(fake.NewSimpleClientset(), nil)
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if got := c.daemonSetReady(tt.args.ds); got != tt.want {
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t.Errorf("daemonSetReady() = %v, want %v", got, tt.want)
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}
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})
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}
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}
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func Test_ReadyChecker_statefulSetReady(t *testing.T) {
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type args struct {
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sts *appsv1.StatefulSet
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}
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tests := []struct {
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name string
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args args
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want bool
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}{
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{
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name: "statefulset is ready",
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args: args{
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sts: newStatefulSet("foo", 1, 0, 1, 1),
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},
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want: true,
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},
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{
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name: "statefulset is not ready",
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args: args{
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sts: newStatefulSet("foo", 1, 0, 0, 1),
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},
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want: false,
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},
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{
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name: "statefulset is ready when partition is specified",
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args: args{
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sts: newStatefulSet("foo", 2, 1, 2, 1),
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},
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want: true,
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},
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{
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name: "statefulset is not ready when partition is set",
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args: args{
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sts: newStatefulSet("foo", 2, 1, 1, 0),
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},
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want: false,
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},
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{
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name: "statefulset is ready when partition is set and no change in template",
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args: args{
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sts: newStatefulSet("foo", 2, 1, 2, 2),
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},
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want: true,
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},
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{
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name: "statefulset is ready when partition is greater than replicas",
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args: args{
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sts: newStatefulSet("foo", 1, 2, 1, 1),
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},
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want: true,
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},
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{
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name: "statefulset is not ready when status of latest generation has not yet been observed",
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args: args{
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sts: newStatefulSetWithNewGeneration("foo", 1, 0, 1, 1),
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},
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want: false,
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},
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{
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name: "statefulset is not ready when current revision for current replicas does not match update revision for updated replicas",
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args: args{
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sts: newStatefulSetWithUpdateRevision("foo", 1, 0, 1, 1, "foo-bbbbbbb"),
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},
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want: false,
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},
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{
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name: "statefulset is ready when current revision for current replicas does not match update revision for updated replicas when using partition !=0",
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args: args{
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sts: newStatefulSetWithUpdateRevision("foo", 3, 2, 3, 3, "foo-bbbbbbb"),
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},
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want: true,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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c := NewReadyChecker(fake.NewSimpleClientset(), nil)
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if got := c.statefulSetReady(tt.args.sts); got != tt.want {
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t.Errorf("statefulSetReady() = %v, want %v", got, tt.want)
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}
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})
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}
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}
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func Test_ReadyChecker_podsReadyForObject(t *testing.T) {
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type args struct {
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namespace string
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obj runtime.Object
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}
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tests := []struct {
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name string
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args args
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existPods []corev1.Pod
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want bool
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wantErr bool
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}{
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{
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name: "pods ready for a replicaset",
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args: args{
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namespace: defaultNamespace,
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obj: newReplicaSet("foo", 1, 1),
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},
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existPods: []corev1.Pod{
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*newPodWithCondition("foo", corev1.ConditionTrue),
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},
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want: true,
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wantErr: false,
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},
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{
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name: "pods not ready for a replicaset",
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args: args{
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namespace: defaultNamespace,
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obj: newReplicaSet("foo", 1, 1),
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},
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existPods: []corev1.Pod{
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*newPodWithCondition("foo", corev1.ConditionFalse),
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},
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want: false,
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wantErr: false,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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c := NewReadyChecker(fake.NewSimpleClientset(), nil)
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for _, pod := range tt.existPods {
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if _, err := c.client.CoreV1().Pods(defaultNamespace).Create(context.TODO(), &pod, metav1.CreateOptions{}); err != nil {
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t.Errorf("Failed to create Pod error: %v", err)
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return
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}
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}
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got, err := c.podsReadyForObject(context.TODO(), tt.args.namespace, tt.args.obj)
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if (err != nil) != tt.wantErr {
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t.Errorf("podsReadyForObject() error = %v, wantErr %v", err, tt.wantErr)
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return
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}
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if got != tt.want {
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t.Errorf("podsReadyForObject() got = %v, want %v", got, tt.want)
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}
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})
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}
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}
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func Test_ReadyChecker_jobReady(t *testing.T) {
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type args struct {
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job *batchv1.Job
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}
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tests := []struct {
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name string
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args args
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want bool
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wantErr bool
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}{
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{
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name: "job is completed",
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args: args{job: newJob("foo", 1, intToInt32(1), 1, 0)},
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want: true,
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wantErr: false,
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},
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{
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name: "job is incomplete",
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args: args{job: newJob("foo", 1, intToInt32(1), 0, 0)},
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want: false,
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wantErr: false,
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},
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{
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name: "job is failed but within BackoffLimit",
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args: args{job: newJob("foo", 1, intToInt32(1), 0, 1)},
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want: false,
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wantErr: false,
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},
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{
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name: "job is completed with retry",
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args: args{job: newJob("foo", 1, intToInt32(1), 1, 1)},
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want: true,
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wantErr: false,
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},
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{
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name: "job is failed and beyond BackoffLimit",
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args: args{job: newJob("foo", 1, intToInt32(1), 0, 2)},
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want: false,
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wantErr: true,
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},
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{
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name: "job is completed single run",
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args: args{job: newJob("foo", 0, intToInt32(1), 1, 0)},
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want: true,
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wantErr: false,
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},
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{
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name: "job is failed single run",
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args: args{job: newJob("foo", 0, intToInt32(1), 0, 1)},
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want: false,
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wantErr: true,
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},
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{
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name: "job with null completions",
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args: args{job: newJob("foo", 0, nil, 1, 0)},
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want: true,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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c := NewReadyChecker(fake.NewSimpleClientset(), nil)
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got, err := c.jobReady(tt.args.job)
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if (err != nil) != tt.wantErr {
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t.Errorf("jobReady() error = %v, wantErr %v", err, tt.wantErr)
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return
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}
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if got != tt.want {
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t.Errorf("jobReady() = %v, want %v", got, tt.want)
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}
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})
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}
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}
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func Test_ReadyChecker_volumeReady(t *testing.T) {
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type args struct {
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v *corev1.PersistentVolumeClaim
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}
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tests := []struct {
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name string
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args args
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want bool
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}{
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{
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name: "pvc is bound",
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args: args{
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v: newPersistentVolumeClaim("foo", corev1.ClaimBound),
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},
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want: true,
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},
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{
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name: "pvc is not ready",
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args: args{
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v: newPersistentVolumeClaim("foo", corev1.ClaimPending),
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},
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want: false,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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c := NewReadyChecker(fake.NewSimpleClientset(), nil)
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if got := c.volumeReady(tt.args.v); got != tt.want {
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t.Errorf("volumeReady() = %v, want %v", got, tt.want)
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}
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})
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}
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}
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func newDaemonSet(name string, maxUnavailable, numberReady, desiredNumberScheduled, updatedNumberScheduled int) *appsv1.DaemonSet {
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return &appsv1.DaemonSet{
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ObjectMeta: metav1.ObjectMeta{
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Name: name,
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Namespace: defaultNamespace,
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},
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Spec: appsv1.DaemonSetSpec{
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UpdateStrategy: appsv1.DaemonSetUpdateStrategy{
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Type: appsv1.RollingUpdateDaemonSetStrategyType,
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RollingUpdate: &appsv1.RollingUpdateDaemonSet{
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MaxUnavailable: func() *intstr.IntOrString { i := intstr.FromInt(maxUnavailable); return &i }(),
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},
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},
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Selector: &metav1.LabelSelector{MatchLabels: map[string]string{"name": name}},
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Template: corev1.PodTemplateSpec{
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ObjectMeta: metav1.ObjectMeta{
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Name: name,
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Labels: map[string]string{"name": name},
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},
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Spec: corev1.PodSpec{
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Containers: []corev1.Container{
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{
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Image: "nginx",
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},
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},
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},
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},
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},
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Status: appsv1.DaemonSetStatus{
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DesiredNumberScheduled: int32(desiredNumberScheduled),
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NumberReady: int32(numberReady),
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UpdatedNumberScheduled: int32(updatedNumberScheduled),
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},
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}
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}
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func newStatefulSet(name string, replicas, partition, readyReplicas, updatedReplicas int) *appsv1.StatefulSet {
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return &appsv1.StatefulSet{
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ObjectMeta: metav1.ObjectMeta{
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Name: name,
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Namespace: defaultNamespace,
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Generation: int64(1),
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},
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Spec: appsv1.StatefulSetSpec{
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UpdateStrategy: appsv1.StatefulSetUpdateStrategy{
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Type: appsv1.RollingUpdateStatefulSetStrategyType,
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RollingUpdate: &appsv1.RollingUpdateStatefulSetStrategy{
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Partition: intToInt32(partition),
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},
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},
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Replicas: intToInt32(replicas),
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Selector: &metav1.LabelSelector{MatchLabels: map[string]string{"name": name}},
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Template: corev1.PodTemplateSpec{
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ObjectMeta: metav1.ObjectMeta{
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Name: name,
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Labels: map[string]string{"name": name},
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},
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Spec: corev1.PodSpec{
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Containers: []corev1.Container{
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{
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Image: "nginx",
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},
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},
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},
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},
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},
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Status: appsv1.StatefulSetStatus{
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ObservedGeneration: int64(1),
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CurrentRevision: name + "-aaaaaaa",
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UpdateRevision: name + "-aaaaaaa",
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UpdatedReplicas: int32(updatedReplicas),
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ReadyReplicas: int32(readyReplicas),
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},
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}
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}
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|
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func newStatefulSetWithNewGeneration(name string, replicas, partition, readyReplicas, updatedReplicas int) *appsv1.StatefulSet {
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ss := newStatefulSet(name, replicas, partition, readyReplicas, updatedReplicas)
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ss.Generation++
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return ss
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}
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func newStatefulSetWithUpdateRevision(name string, replicas, partition, readyReplicas, updatedReplicas int, updateRevision string) *appsv1.StatefulSet {
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ss := newStatefulSet(name, replicas, partition, readyReplicas, updatedReplicas)
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ss.Status.UpdateRevision = updateRevision
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return ss
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}
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|
|
func newDeployment(name string, replicas, maxSurge, maxUnavailable int) *appsv1.Deployment {
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|
return &appsv1.Deployment{
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|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: name,
|
|
Namespace: defaultNamespace,
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},
|
|
Spec: appsv1.DeploymentSpec{
|
|
Strategy: appsv1.DeploymentStrategy{
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|
Type: appsv1.RollingUpdateDeploymentStrategyType,
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RollingUpdate: &appsv1.RollingUpdateDeployment{
|
|
MaxUnavailable: func() *intstr.IntOrString { i := intstr.FromInt(maxUnavailable); return &i }(),
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|
MaxSurge: func() *intstr.IntOrString { i := intstr.FromInt(maxSurge); return &i }(),
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},
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},
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Replicas: intToInt32(replicas),
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Selector: &metav1.LabelSelector{MatchLabels: map[string]string{"name": name}},
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|
Template: corev1.PodTemplateSpec{
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|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: name,
|
|
Labels: map[string]string{"name": name},
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},
|
|
Spec: corev1.PodSpec{
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|
Containers: []corev1.Container{
|
|
{
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Image: "nginx",
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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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func newReplicaSet(name string, replicas int, readyReplicas int) *appsv1.ReplicaSet {
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d := newDeployment(name, replicas, 0, 0)
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return &appsv1.ReplicaSet{
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ObjectMeta: metav1.ObjectMeta{
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|
Name: name,
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|
Namespace: defaultNamespace,
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|
Labels: d.Spec.Selector.MatchLabels,
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OwnerReferences: []metav1.OwnerReference{*metav1.NewControllerRef(d, d.GroupVersionKind())},
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},
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|
Spec: appsv1.ReplicaSetSpec{
|
|
Selector: d.Spec.Selector,
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|
Replicas: intToInt32(replicas),
|
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Template: d.Spec.Template,
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},
|
|
Status: appsv1.ReplicaSetStatus{
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ReadyReplicas: int32(readyReplicas),
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},
|
|
}
|
|
}
|
|
|
|
func newPodWithCondition(name string, podReadyCondition corev1.ConditionStatus) *corev1.Pod {
|
|
return &corev1.Pod{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: name,
|
|
Namespace: defaultNamespace,
|
|
Labels: map[string]string{"name": name},
|
|
},
|
|
Spec: corev1.PodSpec{
|
|
Containers: []corev1.Container{
|
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{
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Image: "nginx",
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},
|
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},
|
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},
|
|
Status: corev1.PodStatus{
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|
Conditions: []corev1.PodCondition{
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|
{
|
|
Type: corev1.PodReady,
|
|
Status: podReadyCondition,
|
|
},
|
|
},
|
|
},
|
|
}
|
|
}
|
|
|
|
func newPersistentVolumeClaim(name string, phase corev1.PersistentVolumeClaimPhase) *corev1.PersistentVolumeClaim {
|
|
return &corev1.PersistentVolumeClaim{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: name,
|
|
Namespace: defaultNamespace,
|
|
},
|
|
Status: corev1.PersistentVolumeClaimStatus{
|
|
Phase: phase,
|
|
},
|
|
}
|
|
}
|
|
|
|
func newJob(name string, backoffLimit int, completions *int32, succeeded int, failed int) *batchv1.Job {
|
|
return &batchv1.Job{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: name,
|
|
Namespace: defaultNamespace,
|
|
},
|
|
Spec: batchv1.JobSpec{
|
|
BackoffLimit: intToInt32(backoffLimit),
|
|
Completions: completions,
|
|
Template: corev1.PodTemplateSpec{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: name,
|
|
Labels: map[string]string{"name": name},
|
|
},
|
|
Spec: corev1.PodSpec{
|
|
Containers: []corev1.Container{
|
|
{
|
|
Image: "nginx",
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
Status: batchv1.JobStatus{
|
|
Succeeded: int32(succeeded),
|
|
Failed: int32(failed),
|
|
},
|
|
}
|
|
}
|
|
|
|
func intToInt32(i int) *int32 {
|
|
i32 := int32(i)
|
|
return &i32
|
|
}
|