mirror of https://github.com/k3s-io/k3s
285 lines
8.3 KiB
Go
285 lines
8.3 KiB
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 replicaset
|
|
|
|
import (
|
|
"reflect"
|
|
"testing"
|
|
|
|
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
|
|
"k8s.io/apimachinery/pkg/util/validation/field"
|
|
genericapirequest "k8s.io/apiserver/pkg/endpoints/request"
|
|
"k8s.io/apiserver/pkg/registry/rest"
|
|
"k8s.io/kubernetes/pkg/apis/apps"
|
|
api "k8s.io/kubernetes/pkg/apis/core"
|
|
)
|
|
|
|
const (
|
|
fakeImageName = "fake-name"
|
|
fakeImage = "fakeimage"
|
|
replicasetName = "test-replicaset"
|
|
namespace = "test-namespace"
|
|
)
|
|
|
|
func TestReplicaSetStrategy(t *testing.T) {
|
|
ctx := genericapirequest.NewDefaultContext()
|
|
if !Strategy.NamespaceScoped() {
|
|
t.Errorf("ReplicaSet must be namespace scoped")
|
|
}
|
|
if Strategy.AllowCreateOnUpdate() {
|
|
t.Errorf("ReplicaSet should not allow create on update")
|
|
}
|
|
|
|
validSelector := map[string]string{"a": "b"}
|
|
validPodTemplate := api.PodTemplate{
|
|
Template: api.PodTemplateSpec{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Labels: validSelector,
|
|
},
|
|
Spec: api.PodSpec{
|
|
RestartPolicy: api.RestartPolicyAlways,
|
|
DNSPolicy: api.DNSClusterFirst,
|
|
Containers: []api.Container{{Name: "abc", Image: "image", ImagePullPolicy: "IfNotPresent", TerminationMessagePolicy: api.TerminationMessageReadFile}},
|
|
},
|
|
},
|
|
}
|
|
rs := &apps.ReplicaSet{
|
|
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
|
|
Spec: apps.ReplicaSetSpec{
|
|
Selector: &metav1.LabelSelector{MatchLabels: validSelector},
|
|
Template: validPodTemplate.Template,
|
|
},
|
|
Status: apps.ReplicaSetStatus{
|
|
Replicas: 1,
|
|
ObservedGeneration: int64(10),
|
|
},
|
|
}
|
|
|
|
Strategy.PrepareForCreate(ctx, rs)
|
|
if rs.Status.Replicas != 0 {
|
|
t.Error("ReplicaSet should not allow setting status.replicas on create")
|
|
}
|
|
if rs.Status.ObservedGeneration != int64(0) {
|
|
t.Error("ReplicaSet should not allow setting status.observedGeneration on create")
|
|
}
|
|
errs := Strategy.Validate(ctx, rs)
|
|
if len(errs) != 0 {
|
|
t.Errorf("Unexpected error validating %v", errs)
|
|
}
|
|
|
|
invalidRc := &apps.ReplicaSet{
|
|
ObjectMeta: metav1.ObjectMeta{Name: "bar", ResourceVersion: "4"},
|
|
}
|
|
Strategy.PrepareForUpdate(ctx, invalidRc, rs)
|
|
errs = Strategy.ValidateUpdate(ctx, invalidRc, rs)
|
|
if len(errs) == 0 {
|
|
t.Errorf("Expected a validation error")
|
|
}
|
|
if invalidRc.ResourceVersion != "4" {
|
|
t.Errorf("Incoming resource version on update should not be mutated")
|
|
}
|
|
}
|
|
|
|
func TestReplicaSetStatusStrategy(t *testing.T) {
|
|
ctx := genericapirequest.NewDefaultContext()
|
|
if !StatusStrategy.NamespaceScoped() {
|
|
t.Errorf("ReplicaSet must be namespace scoped")
|
|
}
|
|
if StatusStrategy.AllowCreateOnUpdate() {
|
|
t.Errorf("ReplicaSet should not allow create on update")
|
|
}
|
|
validSelector := map[string]string{"a": "b"}
|
|
validPodTemplate := api.PodTemplate{
|
|
Template: api.PodTemplateSpec{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Labels: validSelector,
|
|
},
|
|
Spec: api.PodSpec{
|
|
RestartPolicy: api.RestartPolicyAlways,
|
|
DNSPolicy: api.DNSClusterFirst,
|
|
Containers: []api.Container{{Name: "abc", Image: "image", ImagePullPolicy: "IfNotPresent"}},
|
|
},
|
|
},
|
|
}
|
|
oldRS := &apps.ReplicaSet{
|
|
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault, ResourceVersion: "10"},
|
|
Spec: apps.ReplicaSetSpec{
|
|
Replicas: 3,
|
|
Selector: &metav1.LabelSelector{MatchLabels: validSelector},
|
|
Template: validPodTemplate.Template,
|
|
},
|
|
Status: apps.ReplicaSetStatus{
|
|
Replicas: 1,
|
|
ObservedGeneration: int64(10),
|
|
},
|
|
}
|
|
newRS := &apps.ReplicaSet{
|
|
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault, ResourceVersion: "9"},
|
|
Spec: apps.ReplicaSetSpec{
|
|
Replicas: 1,
|
|
Selector: &metav1.LabelSelector{MatchLabels: validSelector},
|
|
Template: validPodTemplate.Template,
|
|
},
|
|
Status: apps.ReplicaSetStatus{
|
|
Replicas: 3,
|
|
ObservedGeneration: int64(11),
|
|
},
|
|
}
|
|
StatusStrategy.PrepareForUpdate(ctx, newRS, oldRS)
|
|
if newRS.Status.Replicas != 3 {
|
|
t.Errorf("ReplicaSet status updates should allow change of replicas: %v", newRS.Status.Replicas)
|
|
}
|
|
if newRS.Spec.Replicas != 3 {
|
|
t.Errorf("PrepareForUpdate should have preferred spec")
|
|
}
|
|
errs := StatusStrategy.ValidateUpdate(ctx, newRS, oldRS)
|
|
if len(errs) != 0 {
|
|
t.Errorf("Unexpected error %v", errs)
|
|
}
|
|
}
|
|
|
|
func TestSelectorImmutability(t *testing.T) {
|
|
tests := []struct {
|
|
requestInfo genericapirequest.RequestInfo
|
|
oldSelectorLabels map[string]string
|
|
newSelectorLabels map[string]string
|
|
expectedErrorList field.ErrorList
|
|
}{
|
|
{
|
|
genericapirequest.RequestInfo{
|
|
APIGroup: "apps",
|
|
APIVersion: "v1beta2",
|
|
Resource: "replicasets",
|
|
},
|
|
map[string]string{"a": "b"},
|
|
map[string]string{"c": "d"},
|
|
field.ErrorList{
|
|
&field.Error{
|
|
Type: field.ErrorTypeInvalid,
|
|
Field: field.NewPath("spec").Child("selector").String(),
|
|
BadValue: &metav1.LabelSelector{
|
|
MatchLabels: map[string]string{"c": "d"},
|
|
MatchExpressions: []metav1.LabelSelectorRequirement{},
|
|
},
|
|
Detail: "field is immutable",
|
|
},
|
|
},
|
|
},
|
|
{
|
|
genericapirequest.RequestInfo{
|
|
APIGroup: "extensions",
|
|
APIVersion: "v1beta1",
|
|
Resource: "replicasets",
|
|
},
|
|
map[string]string{"a": "b"},
|
|
map[string]string{"c": "d"},
|
|
field.ErrorList{},
|
|
},
|
|
}
|
|
|
|
for _, test := range tests {
|
|
oldReplicaSet := newReplicaSetWithSelectorLabels(test.oldSelectorLabels)
|
|
newReplicaSet := newReplicaSetWithSelectorLabels(test.newSelectorLabels)
|
|
context := genericapirequest.NewContext()
|
|
context = genericapirequest.WithRequestInfo(context, &test.requestInfo)
|
|
errorList := rsStrategy{}.ValidateUpdate(context, newReplicaSet, oldReplicaSet)
|
|
if !reflect.DeepEqual(test.expectedErrorList, errorList) {
|
|
t.Errorf("Unexpected error list, expected: %v, actual: %v", test.expectedErrorList, errorList)
|
|
}
|
|
}
|
|
}
|
|
|
|
func newReplicaSetWithSelectorLabels(selectorLabels map[string]string) *apps.ReplicaSet {
|
|
return &apps.ReplicaSet{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: replicasetName,
|
|
Namespace: namespace,
|
|
ResourceVersion: "1",
|
|
},
|
|
Spec: apps.ReplicaSetSpec{
|
|
Selector: &metav1.LabelSelector{
|
|
MatchLabels: selectorLabels,
|
|
MatchExpressions: []metav1.LabelSelectorRequirement{},
|
|
},
|
|
Template: api.PodTemplateSpec{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Labels: selectorLabels,
|
|
},
|
|
Spec: api.PodSpec{
|
|
RestartPolicy: api.RestartPolicyAlways,
|
|
DNSPolicy: api.DNSClusterFirst,
|
|
Containers: []api.Container{{Name: fakeImageName, Image: fakeImage, ImagePullPolicy: "IfNotPresent", TerminationMessagePolicy: api.TerminationMessageReadFile}},
|
|
},
|
|
},
|
|
},
|
|
}
|
|
}
|
|
|
|
func TestReplicasetDefaultGarbageCollectionPolicy(t *testing.T) {
|
|
// Make sure we correctly implement the interface.
|
|
// Otherwise a typo could silently change the default.
|
|
var gcds rest.GarbageCollectionDeleteStrategy = Strategy
|
|
tests := []struct {
|
|
requestInfo genericapirequest.RequestInfo
|
|
expectedGCPolicy rest.GarbageCollectionPolicy
|
|
isNilRequestInfo bool
|
|
}{
|
|
{
|
|
genericapirequest.RequestInfo{
|
|
APIGroup: "extensions",
|
|
APIVersion: "v1beta1",
|
|
Resource: "replicasets",
|
|
},
|
|
rest.OrphanDependents,
|
|
false,
|
|
},
|
|
{
|
|
genericapirequest.RequestInfo{
|
|
APIGroup: "apps",
|
|
APIVersion: "v1beta2",
|
|
Resource: "replicasets",
|
|
},
|
|
rest.OrphanDependents,
|
|
false,
|
|
},
|
|
{
|
|
genericapirequest.RequestInfo{
|
|
APIGroup: "apps",
|
|
APIVersion: "v1",
|
|
Resource: "replicasets",
|
|
},
|
|
rest.DeleteDependents,
|
|
false,
|
|
},
|
|
{
|
|
expectedGCPolicy: rest.DeleteDependents,
|
|
isNilRequestInfo: true,
|
|
},
|
|
}
|
|
|
|
for _, test := range tests {
|
|
context := genericapirequest.NewContext()
|
|
if !test.isNilRequestInfo {
|
|
context = genericapirequest.WithRequestInfo(context, &test.requestInfo)
|
|
}
|
|
if got, want := gcds.DefaultGarbageCollectionPolicy(context), test.expectedGCPolicy; got != want {
|
|
t.Errorf("%s/%s: DefaultGarbageCollectionPolicy() = %#v, want %#v", test.requestInfo.APIGroup,
|
|
test.requestInfo.APIVersion, got, want)
|
|
}
|
|
}
|
|
}
|