kubernetes rollout_status_test 源码
kubernetes rollout_status_test 代码
文件路径：/staging/src/k8s.io/kubectl/pkg/polymorphichelpers/rollout_status_test.go
/*
Copyright 2016 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package polymorphichelpers
import (
"fmt"
"testing"
apps "k8s.io/api/apps/v1"
api "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
"k8s.io/apimachinery/pkg/runtime"
)
func TestDeploymentStatusViewerStatus(t *testing.T) {
tests := []struct {
name string
generation int64
specReplicas int32
status apps.DeploymentStatus
msg string
done bool
}{
{
name: "test1",
generation: 0,
specReplicas: 1,
status: apps.DeploymentStatus{
ObservedGeneration: 1,
Replicas: 1,
UpdatedReplicas: 0,
AvailableReplicas: 1,
UnavailableReplicas: 0,
},
msg: "Waiting for deployment \"foo\" rollout to finish: 0 out of 1 new replicas have been updated...\n",
done: false,
},
{
name: "test2",
generation: 1,
specReplicas: 1,
status: apps.DeploymentStatus{
ObservedGeneration: 1,
Replicas: 2,
UpdatedReplicas: 1,
AvailableReplicas: 2,
UnavailableReplicas: 0,
},
msg: "Waiting for deployment \"foo\" rollout to finish: 1 old replicas are pending termination...\n",
done: false,
},
{
name: "test3",
generation: 1,
specReplicas: 2,
status: apps.DeploymentStatus{
ObservedGeneration: 1,
Replicas: 2,
UpdatedReplicas: 2,
AvailableReplicas: 1,
UnavailableReplicas: 1,
},
msg: "Waiting for deployment \"foo\" rollout to finish: 1 of 2 updated replicas are available...\n",
done: false,
},
{
name: "test4",
generation: 1,
specReplicas: 2,
status: apps.DeploymentStatus{
ObservedGeneration: 1,
Replicas: 2,
UpdatedReplicas: 2,
AvailableReplicas: 2,
UnavailableReplicas: 0,
},
msg: "deployment \"foo\" successfully rolled out\n",
done: true,
},
{
name: "test5",
generation: 2,
specReplicas: 2,
status: apps.DeploymentStatus{
ObservedGeneration: 1,
Replicas: 2,
UpdatedReplicas: 2,
AvailableReplicas: 2,
UnavailableReplicas: 0,
},
msg: "Waiting for deployment spec update to be observed...\n",
done: false,
},
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
d := &apps.Deployment{
ObjectMeta: metav1.ObjectMeta{
Namespace: "bar",
Name: "foo",
UID: "8764ae47-9092-11e4-8393-42010af018ff",
Generation: test.generation,
},
Spec: apps.DeploymentSpec{
Replicas: &test.specReplicas,
},
Status: test.status,
}
unstructuredD := &unstructured.Unstructured{}
var err error
unstructuredD.Object, err = runtime.DefaultUnstructuredConverter.ToUnstructured(d)
if err != nil {
t.Fatal(err)
}
dsv := &DeploymentStatusViewer{}
msg, done, err := dsv.Status(unstructuredD, 0)
if err != nil {
t.Fatalf("DeploymentStatusViewer.Status(): %v", err)
}
if done != test.done || msg != test.msg {
t.Errorf("DeploymentStatusViewer.Status() for deployment with generation %d, %d replicas specified, and status %+v returned %q, %t, want %q, %t",
test.generation,
test.specReplicas,
test.status,
msg,
done,
test.msg,
test.done,
)
}
})
}
}
func TestDaemonSetStatusViewerStatus(t *testing.T) {
tests := []struct {
name string
generation int64
status apps.DaemonSetStatus
msg string
done bool
}{
{
name: "test1",
generation: 0,
status: apps.DaemonSetStatus{
ObservedGeneration: 1,
UpdatedNumberScheduled: 0,
DesiredNumberScheduled: 1,
NumberAvailable: 0,
},
msg: "Waiting for daemon set \"foo\" rollout to finish: 0 out of 1 new pods have been updated...\n",
done: false,
},
{
name: "test2",
generation: 1,
status: apps.DaemonSetStatus{
ObservedGeneration: 1,
UpdatedNumberScheduled: 2,
DesiredNumberScheduled: 2,
NumberAvailable: 1,
},
msg: "Waiting for daemon set \"foo\" rollout to finish: 1 of 2 updated pods are available...\n",
done: false,
},
{
name: "test3",
generation: 1,
status: apps.DaemonSetStatus{
ObservedGeneration: 1,
UpdatedNumberScheduled: 2,
DesiredNumberScheduled: 2,
NumberAvailable: 2,
},
msg: "daemon set \"foo\" successfully rolled out\n",
done: true,
},
{
name: "test4",
generation: 2,
status: apps.DaemonSetStatus{
ObservedGeneration: 1,
UpdatedNumberScheduled: 2,
DesiredNumberScheduled: 2,
NumberAvailable: 2,
},
msg: "Waiting for daemon set spec update to be observed...\n",
done: false,
},
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
d := &apps.DaemonSet{
ObjectMeta: metav1.ObjectMeta{
Namespace: "bar",
Name: "foo",
UID: "8764ae47-9092-11e4-8393-42010af018ff",
Generation: test.generation,
},
Spec: apps.DaemonSetSpec{
UpdateStrategy: apps.DaemonSetUpdateStrategy{
Type: apps.RollingUpdateDaemonSetStrategyType,
},
},
Status: test.status,
}
unstructuredD := &unstructured.Unstructured{}
var err error
unstructuredD.Object, err = runtime.DefaultUnstructuredConverter.ToUnstructured(d)
if err != nil {
t.Fatal(err)
}
dsv := &DaemonSetStatusViewer{}
msg, done, err := dsv.Status(unstructuredD, 0)
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if done != test.done || msg != test.msg {
t.Errorf("daemon set with generation %d, %d pods specified, and status:\n%+v\nreturned:\n%q, %t\nwant:\n%q, %t",
test.generation,
d.Status.DesiredNumberScheduled,
test.status,
msg,
done,
test.msg,
test.done,
)
}
})
}
}
func TestStatefulSetStatusViewerStatus(t *testing.T) {
tests := []struct {
name string
generation int64
strategy apps.StatefulSetUpdateStrategy
status apps.StatefulSetStatus
msg string
done bool
err bool
}{
{
name: "on delete returns an error",
generation: 1,
strategy: apps.StatefulSetUpdateStrategy{Type: apps.OnDeleteStatefulSetStrategyType},
status: apps.StatefulSetStatus{
ObservedGeneration: 1,
Replicas: 0,
ReadyReplicas: 1,
CurrentReplicas: 0,
UpdatedReplicas: 0,
},
msg: "",
done: true,
err: true,
},
{
name: "unobserved update is not complete",
generation: 2,
strategy: apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType},
status: apps.StatefulSetStatus{
ObservedGeneration: 1,
Replicas: 3,
ReadyReplicas: 3,
CurrentReplicas: 3,
UpdatedReplicas: 0,
},
msg: "Waiting for statefulset spec update to be observed...\n",
done: false,
err: false,
},
{
name: "if all pods are not ready the update is not complete",
generation: 1,
strategy: apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType},
status: apps.StatefulSetStatus{
ObservedGeneration: 2,
Replicas: 3,
ReadyReplicas: 2,
CurrentReplicas: 3,
UpdatedReplicas: 0,
},
msg: fmt.Sprintf("Waiting for %d pods to be ready...\n", 1),
done: false,
err: false,
},
{
name: "partition update completes when all replicas above the partition are updated",
generation: 1,
strategy: apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType,
RollingUpdate: func() *apps.RollingUpdateStatefulSetStrategy {
partition := int32(2)
return &apps.RollingUpdateStatefulSetStrategy{Partition: &partition}
}()},
status: apps.StatefulSetStatus{
ObservedGeneration: 2,
Replicas: 3,
ReadyReplicas: 3,
CurrentReplicas: 2,
UpdatedReplicas: 1,
},
msg: fmt.Sprintf("partitioned roll out complete: %d new pods have been updated...\n", 1),
done: true,
err: false,
},
{
name: "partition update is in progress if all pods above the partition have not been updated",
generation: 1,
strategy: apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType,
RollingUpdate: func() *apps.RollingUpdateStatefulSetStrategy {
partition := int32(2)
return &apps.RollingUpdateStatefulSetStrategy{Partition: &partition}
}()},
status: apps.StatefulSetStatus{
ObservedGeneration: 2,
Replicas: 3,
ReadyReplicas: 3,
CurrentReplicas: 3,
UpdatedReplicas: 0,
},
msg: fmt.Sprintf("Waiting for partitioned roll out to finish: %d out of %d new pods have been updated...\n", 0, 1),
done: true,
err: false,
},
{
name: "update completes when all replicas are current",
generation: 1,
strategy: apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType},
status: apps.StatefulSetStatus{
ObservedGeneration: 2,
Replicas: 3,
ReadyReplicas: 3,
CurrentReplicas: 3,
UpdatedReplicas: 3,
CurrentRevision: "foo",
UpdateRevision: "foo",
},
msg: fmt.Sprintf("statefulset rolling update complete %d pods at revision %s...\n", 3, "foo"),
done: true,
err: false,
},
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
s := newStatefulSet(3)
s.Status = test.status
s.Spec.UpdateStrategy = test.strategy
s.Generation = test.generation
unstructuredS := &unstructured.Unstructured{}
var err error
unstructuredS.Object, err = runtime.DefaultUnstructuredConverter.ToUnstructured(s)
if err != nil {
t.Fatal(err)
}
dsv := &StatefulSetStatusViewer{}
msg, done, err := dsv.Status(unstructuredS, 0)
if test.err && err == nil {
t.Fatalf("%s: expected error", test.name)
}
if !test.err && err != nil {
t.Fatalf("%s: %s", test.name, err)
}
if done && !test.done {
t.Errorf("%s: want done %v got %v", test.name, done, test.done)
}
if msg != test.msg {
t.Errorf("%s: want message %s got %s", test.name, test.msg, msg)
}
})
}
}
func TestDaemonSetStatusViewerStatusWithWrongUpdateStrategyType(t *testing.T) {
d := &apps.DaemonSet{
ObjectMeta: metav1.ObjectMeta{
Namespace: "bar",
Name: "foo",
UID: "8764ae47-9092-11e4-8393-42010af018ff",
},
Spec: apps.DaemonSetSpec{
UpdateStrategy: apps.DaemonSetUpdateStrategy{
Type: apps.OnDeleteDaemonSetStrategyType,
},
},
}
unstructuredD := &unstructured.Unstructured{}
var err error
unstructuredD.Object, err = runtime.DefaultUnstructuredConverter.ToUnstructured(d)
if err != nil {
t.Fatal(err)
}
dsv := &DaemonSetStatusViewer{}
msg, done, err := dsv.Status(unstructuredD, 0)
errMsg := "rollout status is only available for RollingUpdate strategy type"
if err == nil || err.Error() != errMsg {
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)
}
}
func newStatefulSet(replicas int32) *apps.StatefulSet {
return &apps.StatefulSet{
ObjectMeta: metav1.ObjectMeta{
Name: "foo",
Namespace: metav1.NamespaceDefault,
Labels: map[string]string{"a": "b"},
},
Spec: apps.StatefulSetSpec{
PodManagementPolicy: apps.OrderedReadyPodManagement,
Selector: &metav1.LabelSelector{MatchLabels: map[string]string{"a": "b"}},
Template: api.PodTemplateSpec{
ObjectMeta: metav1.ObjectMeta{
Labels: map[string]string{"a": "b"},
},
Spec: api.PodSpec{
Containers: []api.Container{
{
Name: "test",
Image: "test_image",
ImagePullPolicy: api.PullIfNotPresent,
},
},
RestartPolicy: api.RestartPolicyAlways,
DNSPolicy: api.DNSClusterFirst,
},
},
Replicas: &replicas,
UpdateStrategy: apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType},
},
Status: apps.StatefulSetStatus{},
}
}
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