mirror of
https://github.com/k3s-io/kubernetes.git
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448 lines
12 KiB
Go
448 lines
12 KiB
Go
/*
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Copyright 2016 The Kubernetes 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 kubectl
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import (
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"fmt"
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"testing"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/kubernetes/pkg/api"
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"k8s.io/kubernetes/pkg/apis/apps"
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"k8s.io/kubernetes/pkg/apis/extensions"
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"k8s.io/kubernetes/pkg/client/clientset_generated/internalclientset/fake"
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)
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func TestDeploymentStatusViewerStatus(t *testing.T) {
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tests := []struct {
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generation int64
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specReplicas int32
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status extensions.DeploymentStatus
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msg string
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done bool
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}{
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{
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generation: 0,
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specReplicas: 1,
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status: extensions.DeploymentStatus{
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ObservedGeneration: 1,
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Replicas: 1,
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UpdatedReplicas: 0,
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AvailableReplicas: 1,
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UnavailableReplicas: 0,
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},
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msg: "Waiting for rollout to finish: 0 out of 1 new replicas have been updated...\n",
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done: false,
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},
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{
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generation: 1,
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specReplicas: 1,
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status: extensions.DeploymentStatus{
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ObservedGeneration: 1,
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Replicas: 2,
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UpdatedReplicas: 1,
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AvailableReplicas: 2,
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UnavailableReplicas: 0,
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},
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msg: "Waiting for rollout to finish: 1 old replicas are pending termination...\n",
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done: false,
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},
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{
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generation: 1,
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specReplicas: 2,
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status: extensions.DeploymentStatus{
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ObservedGeneration: 1,
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Replicas: 2,
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UpdatedReplicas: 2,
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AvailableReplicas: 1,
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UnavailableReplicas: 1,
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},
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msg: "Waiting for rollout to finish: 1 of 2 updated replicas are available...\n",
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done: false,
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},
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{
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generation: 1,
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specReplicas: 2,
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status: extensions.DeploymentStatus{
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ObservedGeneration: 1,
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Replicas: 2,
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UpdatedReplicas: 2,
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AvailableReplicas: 2,
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UnavailableReplicas: 0,
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},
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msg: "deployment \"foo\" successfully rolled out\n",
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done: true,
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},
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{
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generation: 2,
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specReplicas: 2,
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status: extensions.DeploymentStatus{
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ObservedGeneration: 1,
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Replicas: 2,
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UpdatedReplicas: 2,
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AvailableReplicas: 2,
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UnavailableReplicas: 0,
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},
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msg: "Waiting for deployment spec update to be observed...\n",
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done: false,
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},
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}
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for _, test := range tests {
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d := &extensions.Deployment{
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ObjectMeta: metav1.ObjectMeta{
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Namespace: "bar",
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Name: "foo",
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UID: "8764ae47-9092-11e4-8393-42010af018ff",
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Generation: test.generation,
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},
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Spec: extensions.DeploymentSpec{
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Replicas: test.specReplicas,
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},
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Status: test.status,
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}
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client := fake.NewSimpleClientset(d).Extensions()
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dsv := &DeploymentStatusViewer{c: client}
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msg, done, err := dsv.Status("bar", "foo", 0)
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if err != nil {
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t.Fatalf("DeploymentStatusViewer.Status(): %v", err)
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}
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if done != test.done || msg != test.msg {
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t.Errorf("DeploymentStatusViewer.Status() for deployment with generation %d, %d replicas specified, and status %+v returned %q, %t, want %q, %t",
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test.generation,
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test.specReplicas,
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test.status,
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msg,
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done,
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test.msg,
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test.done,
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)
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}
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}
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}
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func TestDaemonSetStatusViewerStatus(t *testing.T) {
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tests := []struct {
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generation int64
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status extensions.DaemonSetStatus
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msg string
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done bool
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}{
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{
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generation: 0,
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status: extensions.DaemonSetStatus{
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ObservedGeneration: 1,
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UpdatedNumberScheduled: 0,
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DesiredNumberScheduled: 1,
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NumberAvailable: 0,
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},
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msg: "Waiting for rollout to finish: 0 out of 1 new pods have been updated...\n",
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done: false,
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},
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{
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generation: 1,
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status: extensions.DaemonSetStatus{
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ObservedGeneration: 1,
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UpdatedNumberScheduled: 2,
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DesiredNumberScheduled: 2,
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NumberAvailable: 1,
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},
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msg: "Waiting for rollout to finish: 1 of 2 updated pods are available...\n",
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done: false,
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},
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{
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generation: 1,
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status: extensions.DaemonSetStatus{
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ObservedGeneration: 1,
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UpdatedNumberScheduled: 2,
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DesiredNumberScheduled: 2,
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NumberAvailable: 2,
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},
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msg: "daemon set \"foo\" successfully rolled out\n",
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done: true,
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},
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{
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generation: 2,
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status: extensions.DaemonSetStatus{
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ObservedGeneration: 1,
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UpdatedNumberScheduled: 2,
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DesiredNumberScheduled: 2,
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NumberAvailable: 2,
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},
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msg: "Waiting for daemon set spec update to be observed...\n",
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done: false,
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},
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}
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for i := range tests {
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test := tests[i]
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t.Logf("testing scenario %d", i)
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d := &extensions.DaemonSet{
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ObjectMeta: metav1.ObjectMeta{
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Namespace: "bar",
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Name: "foo",
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UID: "8764ae47-9092-11e4-8393-42010af018ff",
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Generation: test.generation,
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},
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Spec: extensions.DaemonSetSpec{
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UpdateStrategy: extensions.DaemonSetUpdateStrategy{
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Type: extensions.RollingUpdateDaemonSetStrategyType,
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},
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},
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Status: test.status,
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}
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client := fake.NewSimpleClientset(d).Extensions()
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dsv := &DaemonSetStatusViewer{c: client}
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msg, done, err := dsv.Status("bar", "foo", 0)
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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if done != test.done || msg != test.msg {
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t.Errorf("daemon set with generation %d, %d pods specified, and status:\n%+v\nreturned:\n%q, %t\nwant:\n%q, %t",
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test.generation,
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d.Status.DesiredNumberScheduled,
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test.status,
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msg,
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done,
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test.msg,
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test.done,
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)
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}
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}
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}
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func TestStatefulSetStatusViewerStatus(t *testing.T) {
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tests := []struct {
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name string
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generation int64
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strategy apps.StatefulSetUpdateStrategy
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status apps.StatefulSetStatus
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msg string
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done bool
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err bool
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}{
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{
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name: "on delete returns an error",
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generation: 1,
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strategy: apps.StatefulSetUpdateStrategy{Type: apps.OnDeleteStatefulSetStrategyType},
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status: apps.StatefulSetStatus{
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ObservedGeneration: func() *int64 {
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generation := int64(1)
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return &generation
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}(),
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Replicas: 0,
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ReadyReplicas: 1,
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CurrentReplicas: 0,
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UpdatedReplicas: 0,
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},
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msg: "",
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done: true,
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err: true,
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},
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{
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name: "unobserved update is not complete",
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generation: 2,
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strategy: apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType},
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status: apps.StatefulSetStatus{
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ObservedGeneration: func() *int64 {
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generation := int64(1)
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return &generation
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}(),
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Replicas: 3,
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ReadyReplicas: 3,
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CurrentReplicas: 3,
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UpdatedReplicas: 0,
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},
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msg: "Waiting for statefulset spec update to be observed...\n",
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done: false,
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err: false,
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},
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{
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name: "if all pods are not ready the update is not complete",
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generation: 1,
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strategy: apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType},
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status: apps.StatefulSetStatus{
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ObservedGeneration: func() *int64 {
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generation := int64(2)
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return &generation
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}(),
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Replicas: 3,
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ReadyReplicas: 2,
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CurrentReplicas: 3,
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UpdatedReplicas: 0,
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},
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msg: fmt.Sprintf("Waiting for %d pods to be ready...\n", 1),
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done: false,
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err: false,
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},
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{
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name: "partition update completes when all replicas above the partition are updated",
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generation: 1,
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strategy: apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType,
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RollingUpdate: func() *apps.RollingUpdateStatefulSetStrategy {
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return &apps.RollingUpdateStatefulSetStrategy{Partition: 2}
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}()},
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status: apps.StatefulSetStatus{
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ObservedGeneration: func() *int64 {
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generation := int64(2)
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return &generation
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}(),
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Replicas: 3,
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ReadyReplicas: 3,
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CurrentReplicas: 2,
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UpdatedReplicas: 1,
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},
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msg: fmt.Sprintf("partitioned roll out complete: %d new pods have been updated...\n", 1),
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done: true,
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err: false,
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},
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{
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name: "partition update is in progress if all pods above the partition have not been updated",
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generation: 1,
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strategy: apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType,
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RollingUpdate: func() *apps.RollingUpdateStatefulSetStrategy {
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return &apps.RollingUpdateStatefulSetStrategy{Partition: 2}
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}()},
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status: apps.StatefulSetStatus{
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ObservedGeneration: func() *int64 {
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generation := int64(2)
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return &generation
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}(),
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Replicas: 3,
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ReadyReplicas: 3,
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CurrentReplicas: 3,
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UpdatedReplicas: 0,
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},
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msg: fmt.Sprintf("Waiting for partitioned roll out to finish: %d out of %d new pods have been updated...\n", 0, 1),
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done: true,
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err: false,
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},
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{
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name: "update completes when all replicas are current",
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generation: 1,
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strategy: apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType},
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status: apps.StatefulSetStatus{
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ObservedGeneration: func() *int64 {
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generation := int64(2)
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return &generation
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}(),
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Replicas: 3,
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ReadyReplicas: 3,
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CurrentReplicas: 3,
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UpdatedReplicas: 3,
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CurrentRevision: "foo",
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UpdateRevision: "foo",
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},
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msg: fmt.Sprintf("statefulset rolling update complete %d pods at revision %s...\n", 3, "foo"),
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done: true,
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err: false,
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},
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}
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for i := range tests {
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test := tests[i]
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s := newStatefulSet(3)
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s.Status = test.status
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s.Spec.UpdateStrategy = test.strategy
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s.Generation = test.generation
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client := fake.NewSimpleClientset(s).Apps()
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dsv := &StatefulSetStatusViewer{c: client}
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msg, done, err := dsv.Status(s.Namespace, s.Name, 0)
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if test.err && err == nil {
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t.Fatalf("%s: expected error", test.name)
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}
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if !test.err && err != nil {
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t.Fatalf("%s: %s", test.name, err)
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}
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if done && !test.done {
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t.Errorf("%s: want done %v got %v", test.name, done, test.done)
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}
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if msg != test.msg {
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t.Errorf("%s: want message %s got %s", test.name, test.msg, msg)
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}
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}
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}
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func TestDaemonSetStatusViewerStatusWithWrongUpdateStrategyType(t *testing.T) {
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d := &extensions.DaemonSet{
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ObjectMeta: metav1.ObjectMeta{
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Namespace: "bar",
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Name: "foo",
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UID: "8764ae47-9092-11e4-8393-42010af018ff",
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},
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Spec: extensions.DaemonSetSpec{
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UpdateStrategy: extensions.DaemonSetUpdateStrategy{
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Type: extensions.OnDeleteDaemonSetStrategyType,
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},
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},
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}
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client := fake.NewSimpleClientset(d).Extensions()
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dsv := &DaemonSetStatusViewer{c: client}
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msg, done, err := dsv.Status("bar", "foo", 0)
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errMsg := "Status is available only for RollingUpdate strategy type"
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if err == nil || err.Error() != errMsg {
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t.Errorf("Status for daemon sets with UpdateStrategy type different than RollingUpdate should return error. Instead got: msg: %s\ndone: %t\n err: %v", msg, done, err)
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}
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}
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func newStatefulSet(replicas int32) *apps.StatefulSet {
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return &apps.StatefulSet{
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ObjectMeta: metav1.ObjectMeta{
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Name: "foo",
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Namespace: metav1.NamespaceDefault,
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Labels: map[string]string{"a": "b"},
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},
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Spec: apps.StatefulSetSpec{
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PodManagementPolicy: apps.OrderedReadyPodManagement,
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Selector: &metav1.LabelSelector{MatchLabels: map[string]string{"a": "b"}},
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Template: api.PodTemplateSpec{
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ObjectMeta: metav1.ObjectMeta{
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Labels: map[string]string{"a": "b"},
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},
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Spec: api.PodSpec{
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Containers: []api.Container{
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{
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Name: "test",
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Image: "test_image",
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ImagePullPolicy: api.PullIfNotPresent,
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},
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},
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RestartPolicy: api.RestartPolicyAlways,
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DNSPolicy: api.DNSClusterFirst,
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},
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},
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Replicas: replicas,
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UpdateStrategy: apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType},
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},
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Status: apps.StatefulSetStatus{},
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}
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}
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