k3s/pkg/apis/apps/validation/validation_test.go

828 lines
29 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 validation
import (
"strings"
"testing"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/util/validation/field"
"k8s.io/kubernetes/pkg/api"
"k8s.io/kubernetes/pkg/apis/apps"
)
func TestValidateStatefulSet(t *testing.T) {
validLabels := map[string]string{"a": "b"}
validPodTemplate := api.PodTemplate{
Template: api.PodTemplateSpec{
ObjectMeta: metav1.ObjectMeta{
Labels: validLabels,
},
Spec: api.PodSpec{
RestartPolicy: api.RestartPolicyAlways,
DNSPolicy: api.DNSClusterFirst,
Containers: []api.Container{{Name: "abc", Image: "image", ImagePullPolicy: "IfNotPresent"}},
},
},
}
invalidLabels := map[string]string{"NoUppercaseOrSpecialCharsLike=Equals": "b"}
invalidPodTemplate := api.PodTemplate{
Template: api.PodTemplateSpec{
Spec: api.PodSpec{
RestartPolicy: api.RestartPolicyAlways,
DNSPolicy: api.DNSClusterFirst,
},
ObjectMeta: metav1.ObjectMeta{
Labels: invalidLabels,
},
},
}
successCases := []apps.StatefulSet{
{
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.StatefulSetSpec{
PodManagementPolicy: apps.OrderedReadyPodManagement,
Selector: &metav1.LabelSelector{MatchLabels: validLabels},
Template: validPodTemplate.Template,
UpdateStrategy: apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType},
},
},
{
ObjectMeta: metav1.ObjectMeta{Name: "abc-123", Namespace: metav1.NamespaceDefault},
Spec: apps.StatefulSetSpec{
PodManagementPolicy: apps.OrderedReadyPodManagement,
Selector: &metav1.LabelSelector{MatchLabels: validLabels},
Template: validPodTemplate.Template,
UpdateStrategy: apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType},
},
},
{
ObjectMeta: metav1.ObjectMeta{Name: "abc-123", Namespace: metav1.NamespaceDefault},
Spec: apps.StatefulSetSpec{
PodManagementPolicy: apps.ParallelPodManagement,
Selector: &metav1.LabelSelector{MatchLabels: validLabels},
Template: validPodTemplate.Template,
UpdateStrategy: apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType},
},
},
{
ObjectMeta: metav1.ObjectMeta{Name: "abc-123", Namespace: metav1.NamespaceDefault},
Spec: apps.StatefulSetSpec{
PodManagementPolicy: apps.OrderedReadyPodManagement,
Selector: &metav1.LabelSelector{MatchLabels: validLabels},
Template: validPodTemplate.Template,
UpdateStrategy: apps.StatefulSetUpdateStrategy{Type: apps.OnDeleteStatefulSetStrategyType},
},
},
{
ObjectMeta: metav1.ObjectMeta{Name: "abc-123", Namespace: metav1.NamespaceDefault},
Spec: apps.StatefulSetSpec{
PodManagementPolicy: apps.OrderedReadyPodManagement,
Selector: &metav1.LabelSelector{MatchLabels: validLabels},
Template: validPodTemplate.Template,
Replicas: 3,
UpdateStrategy: apps.StatefulSetUpdateStrategy{
Type: apps.RollingUpdateStatefulSetStrategyType,
RollingUpdate: func() *apps.RollingUpdateStatefulSetStrategy {
return &apps.RollingUpdateStatefulSetStrategy{Partition: 2}
}()},
},
},
}
for _, successCase := range successCases {
if errs := ValidateStatefulSet(&successCase); len(errs) != 0 {
t.Errorf("expected success: %v", errs)
}
}
errorCases := map[string]apps.StatefulSet{
"zero-length ID": {
ObjectMeta: metav1.ObjectMeta{Name: "", Namespace: metav1.NamespaceDefault},
Spec: apps.StatefulSetSpec{
PodManagementPolicy: apps.OrderedReadyPodManagement,
Selector: &metav1.LabelSelector{MatchLabels: validLabels},
Template: validPodTemplate.Template,
UpdateStrategy: apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType},
},
},
"missing-namespace": {
ObjectMeta: metav1.ObjectMeta{Name: "abc-123"},
Spec: apps.StatefulSetSpec{
PodManagementPolicy: apps.OrderedReadyPodManagement,
Selector: &metav1.LabelSelector{MatchLabels: validLabels},
Template: validPodTemplate.Template,
UpdateStrategy: apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType},
},
},
"empty selector": {
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.StatefulSetSpec{
PodManagementPolicy: apps.OrderedReadyPodManagement,
Template: validPodTemplate.Template,
UpdateStrategy: apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType},
},
},
"selector_doesnt_match": {
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.StatefulSetSpec{
PodManagementPolicy: apps.OrderedReadyPodManagement,
Selector: &metav1.LabelSelector{MatchLabels: map[string]string{"foo": "bar"}},
Template: validPodTemplate.Template,
UpdateStrategy: apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType},
},
},
"invalid manifest": {
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.StatefulSetSpec{
PodManagementPolicy: apps.OrderedReadyPodManagement,
Selector: &metav1.LabelSelector{MatchLabels: validLabels},
UpdateStrategy: apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType},
},
},
"negative_replicas": {
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.StatefulSetSpec{
PodManagementPolicy: apps.OrderedReadyPodManagement,
Replicas: -1,
Selector: &metav1.LabelSelector{MatchLabels: validLabels},
UpdateStrategy: apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType},
},
},
"invalid_label": {
ObjectMeta: metav1.ObjectMeta{
Name: "abc-123",
Namespace: metav1.NamespaceDefault,
Labels: map[string]string{
"NoUppercaseOrSpecialCharsLike=Equals": "bar",
},
},
Spec: apps.StatefulSetSpec{
PodManagementPolicy: apps.OrderedReadyPodManagement,
Selector: &metav1.LabelSelector{MatchLabels: validLabels},
Template: validPodTemplate.Template,
UpdateStrategy: apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType},
},
},
"invalid_label 2": {
ObjectMeta: metav1.ObjectMeta{
Name: "abc-123",
Namespace: metav1.NamespaceDefault,
Labels: map[string]string{
"NoUppercaseOrSpecialCharsLike=Equals": "bar",
},
},
Spec: apps.StatefulSetSpec{
PodManagementPolicy: apps.OrderedReadyPodManagement,
Template: invalidPodTemplate.Template,
UpdateStrategy: apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType},
},
},
"invalid_annotation": {
ObjectMeta: metav1.ObjectMeta{
Name: "abc-123",
Namespace: metav1.NamespaceDefault,
Annotations: map[string]string{
"NoUppercaseOrSpecialCharsLike=Equals": "bar",
},
},
Spec: apps.StatefulSetSpec{
PodManagementPolicy: apps.OrderedReadyPodManagement,
Selector: &metav1.LabelSelector{MatchLabels: validLabels},
Template: validPodTemplate.Template,
UpdateStrategy: apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType},
},
},
"invalid restart policy 1": {
ObjectMeta: metav1.ObjectMeta{
Name: "abc-123",
Namespace: metav1.NamespaceDefault,
},
Spec: apps.StatefulSetSpec{
PodManagementPolicy: apps.OrderedReadyPodManagement,
Selector: &metav1.LabelSelector{MatchLabels: validLabels},
Template: api.PodTemplateSpec{
Spec: api.PodSpec{
RestartPolicy: api.RestartPolicyOnFailure,
DNSPolicy: api.DNSClusterFirst,
Containers: []api.Container{{Name: "ctr", Image: "image", ImagePullPolicy: "IfNotPresent"}},
},
ObjectMeta: metav1.ObjectMeta{
Labels: validLabels,
},
},
UpdateStrategy: apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType},
},
},
"invalid restart policy 2": {
ObjectMeta: metav1.ObjectMeta{
Name: "abc-123",
Namespace: metav1.NamespaceDefault,
},
Spec: apps.StatefulSetSpec{
PodManagementPolicy: apps.OrderedReadyPodManagement,
Selector: &metav1.LabelSelector{MatchLabels: validLabels},
Template: api.PodTemplateSpec{
Spec: api.PodSpec{
RestartPolicy: api.RestartPolicyNever,
DNSPolicy: api.DNSClusterFirst,
Containers: []api.Container{{Name: "ctr", Image: "image", ImagePullPolicy: "IfNotPresent"}},
},
ObjectMeta: metav1.ObjectMeta{
Labels: validLabels,
},
},
UpdateStrategy: apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType},
},
},
"invalid udpate strategy": {
ObjectMeta: metav1.ObjectMeta{Name: "abc-123", Namespace: metav1.NamespaceDefault},
Spec: apps.StatefulSetSpec{
PodManagementPolicy: apps.OrderedReadyPodManagement,
Selector: &metav1.LabelSelector{MatchLabels: validLabels},
Template: validPodTemplate.Template,
Replicas: 3,
UpdateStrategy: apps.StatefulSetUpdateStrategy{Type: "foo"},
},
},
"negative parition": {
ObjectMeta: metav1.ObjectMeta{Name: "abc-123", Namespace: metav1.NamespaceDefault},
Spec: apps.StatefulSetSpec{
PodManagementPolicy: apps.OrderedReadyPodManagement,
Selector: &metav1.LabelSelector{MatchLabels: validLabels},
Template: validPodTemplate.Template,
Replicas: 3,
UpdateStrategy: apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType,
RollingUpdate: func() *apps.RollingUpdateStatefulSetStrategy {
return &apps.RollingUpdateStatefulSetStrategy{Partition: -1}
}()},
},
},
}
for k, v := range errorCases {
errs := ValidateStatefulSet(&v)
if len(errs) == 0 {
t.Errorf("expected failure for %s", k)
}
for i := range errs {
field := errs[i].Field
if !strings.HasPrefix(field, "spec.template.") &&
field != "metadata.name" &&
field != "metadata.namespace" &&
field != "spec.selector" &&
field != "spec.template" &&
field != "GCEPersistentDisk.ReadOnly" &&
field != "spec.replicas" &&
field != "spec.template.labels" &&
field != "metadata.annotations" &&
field != "metadata.labels" &&
field != "status.replicas" &&
field != "spec.updateStrategy" &&
field != "spec.updateStrategy.rollingUpate" &&
field != "spec.updateStrategy.rollingUpdate.partition" {
t.Errorf("%s: missing prefix for: %v", k, errs[i])
}
}
}
}
func TestValidateStatefulSetStatus(t *testing.T) {
observedGenerationMinusOne := int64(-1)
collisionCountMinusOne := int32(-1)
tests := []struct {
name string
replicas int32
readyReplicas int32
currentReplicas int32
updatedReplicas int32
observedGeneration *int64
collisionCount *int32
expectedErr bool
}{
{
name: "valid status",
replicas: 3,
readyReplicas: 3,
currentReplicas: 2,
updatedReplicas: 1,
expectedErr: false,
},
{
name: "invalid replicas",
replicas: -1,
readyReplicas: 3,
currentReplicas: 2,
updatedReplicas: 1,
expectedErr: true,
},
{
name: "invalid readyReplicas",
replicas: 3,
readyReplicas: -1,
currentReplicas: 2,
updatedReplicas: 1,
expectedErr: true,
},
{
name: "invalid currentReplicas",
replicas: 3,
readyReplicas: 3,
currentReplicas: -1,
updatedReplicas: 1,
expectedErr: true,
},
{
name: "invalid updatedReplicas",
replicas: 3,
readyReplicas: 3,
currentReplicas: 2,
updatedReplicas: -1,
expectedErr: true,
},
{
name: "invalid observedGeneration",
replicas: 3,
readyReplicas: 3,
currentReplicas: 2,
updatedReplicas: 1,
observedGeneration: &observedGenerationMinusOne,
expectedErr: true,
},
{
name: "invalid collisionCount",
replicas: 3,
readyReplicas: 3,
currentReplicas: 2,
updatedReplicas: 1,
collisionCount: &collisionCountMinusOne,
expectedErr: true,
},
{
name: "readyReplicas greater than replicas",
replicas: 3,
readyReplicas: 4,
currentReplicas: 2,
updatedReplicas: 1,
expectedErr: true,
},
{
name: "currentReplicas greater than replicas",
replicas: 3,
readyReplicas: 3,
currentReplicas: 4,
updatedReplicas: 1,
expectedErr: true,
},
{
name: "updatedReplicas greater than replicas",
replicas: 3,
readyReplicas: 3,
currentReplicas: 2,
updatedReplicas: 4,
expectedErr: true,
},
}
for _, test := range tests {
status := apps.StatefulSetStatus{
Replicas: test.replicas,
ReadyReplicas: test.readyReplicas,
CurrentReplicas: test.currentReplicas,
UpdatedReplicas: test.updatedReplicas,
ObservedGeneration: test.observedGeneration,
CollisionCount: test.collisionCount,
}
errs := ValidateStatefulSetStatus(&status, field.NewPath("status"))
if hasErr := len(errs) > 0; hasErr != test.expectedErr {
t.Errorf("%s: expected error: %t, got error: %t\nerrors: %s", test.name, test.expectedErr, hasErr, errs.ToAggregate().Error())
}
}
}
func TestValidateStatefulSetUpdate(t *testing.T) {
validLabels := map[string]string{"a": "b"}
validPodTemplate := api.PodTemplate{
Template: api.PodTemplateSpec{
ObjectMeta: metav1.ObjectMeta{
Labels: validLabels,
},
Spec: api.PodSpec{
RestartPolicy: api.RestartPolicyAlways,
DNSPolicy: api.DNSClusterFirst,
Containers: []api.Container{{Name: "abc", Image: "image", ImagePullPolicy: "IfNotPresent"}},
},
},
}
obj, err := api.Scheme.DeepCopy(validPodTemplate)
if err != nil {
t.Errorf("failure during test setup when copying PodTemplate: %v", err)
}
addContainersValidTemplate, ok := obj.(api.PodTemplate)
if !ok {
t.Errorf("failure during test setup, copied pod template is not a pod template")
}
addContainersValidTemplate.Template.Spec.Containers = append(addContainersValidTemplate.Template.Spec.Containers,
api.Container{Name: "def", Image: "image2", ImagePullPolicy: "IfNotPresent"})
if len(addContainersValidTemplate.Template.Spec.Containers) != len(validPodTemplate.Template.Spec.Containers)+1 {
t.Errorf("failure during test setup: template %v should have more containers than template %v", addContainersValidTemplate, validPodTemplate)
}
readWriteVolumePodTemplate := api.PodTemplate{
Template: api.PodTemplateSpec{
ObjectMeta: metav1.ObjectMeta{
Labels: validLabels,
},
Spec: api.PodSpec{
RestartPolicy: api.RestartPolicyAlways,
DNSPolicy: api.DNSClusterFirst,
Containers: []api.Container{{Name: "abc", Image: "image", ImagePullPolicy: "IfNotPresent"}},
Volumes: []api.Volume{{Name: "gcepd", VolumeSource: api.VolumeSource{GCEPersistentDisk: &api.GCEPersistentDiskVolumeSource{PDName: "my-PD", FSType: "ext4", Partition: 1, ReadOnly: false}}}},
},
},
}
invalidLabels := map[string]string{"NoUppercaseOrSpecialCharsLike=Equals": "b"}
invalidPodTemplate := api.PodTemplate{
Template: api.PodTemplateSpec{
Spec: api.PodSpec{
RestartPolicy: api.RestartPolicyAlways,
DNSPolicy: api.DNSClusterFirst,
},
ObjectMeta: metav1.ObjectMeta{
Labels: invalidLabels,
},
},
}
type psUpdateTest struct {
old apps.StatefulSet
update apps.StatefulSet
}
successCases := []psUpdateTest{
{
old: apps.StatefulSet{
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.StatefulSetSpec{
PodManagementPolicy: apps.OrderedReadyPodManagement,
Selector: &metav1.LabelSelector{MatchLabels: validLabels},
Template: validPodTemplate.Template,
UpdateStrategy: apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType},
},
},
update: apps.StatefulSet{
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.StatefulSetSpec{
PodManagementPolicy: apps.OrderedReadyPodManagement,
Replicas: 3,
Selector: &metav1.LabelSelector{MatchLabels: validLabels},
Template: validPodTemplate.Template,
UpdateStrategy: apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType},
},
},
},
{
old: apps.StatefulSet{
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.StatefulSetSpec{
PodManagementPolicy: apps.OrderedReadyPodManagement,
Selector: &metav1.LabelSelector{MatchLabels: validLabels},
Template: validPodTemplate.Template,
UpdateStrategy: apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType},
},
},
update: apps.StatefulSet{
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.StatefulSetSpec{
PodManagementPolicy: apps.OrderedReadyPodManagement,
Selector: &metav1.LabelSelector{MatchLabels: validLabels},
Template: addContainersValidTemplate.Template,
UpdateStrategy: apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType},
},
},
},
{
old: apps.StatefulSet{
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.StatefulSetSpec{
PodManagementPolicy: apps.OrderedReadyPodManagement,
Selector: &metav1.LabelSelector{MatchLabels: validLabels},
Template: addContainersValidTemplate.Template,
UpdateStrategy: apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType},
},
},
update: apps.StatefulSet{
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.StatefulSetSpec{
PodManagementPolicy: apps.OrderedReadyPodManagement,
Selector: &metav1.LabelSelector{MatchLabels: validLabels},
Template: validPodTemplate.Template,
UpdateStrategy: apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType},
},
},
},
}
for _, successCase := range successCases {
successCase.old.ObjectMeta.ResourceVersion = "1"
successCase.update.ObjectMeta.ResourceVersion = "1"
if errs := ValidateStatefulSetUpdate(&successCase.update, &successCase.old); len(errs) != 0 {
t.Errorf("expected success: %v", errs)
}
}
errorCases := map[string]psUpdateTest{
"more than one read/write": {
old: apps.StatefulSet{
ObjectMeta: metav1.ObjectMeta{Name: "", Namespace: metav1.NamespaceDefault},
Spec: apps.StatefulSetSpec{
Selector: &metav1.LabelSelector{MatchLabels: validLabels},
Template: validPodTemplate.Template,
UpdateStrategy: apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType},
},
},
update: apps.StatefulSet{
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.StatefulSetSpec{
PodManagementPolicy: apps.OrderedReadyPodManagement,
Replicas: 2,
Selector: &metav1.LabelSelector{MatchLabels: validLabels},
Template: readWriteVolumePodTemplate.Template,
UpdateStrategy: apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType},
},
},
},
"empty pod creation policy": {
old: apps.StatefulSet{
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.StatefulSetSpec{
Selector: &metav1.LabelSelector{MatchLabels: validLabels},
Template: validPodTemplate.Template,
UpdateStrategy: apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType},
},
},
update: apps.StatefulSet{
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.StatefulSetSpec{
Replicas: 3,
Selector: &metav1.LabelSelector{MatchLabels: validLabels},
Template: validPodTemplate.Template,
UpdateStrategy: apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType},
},
},
},
"invalid pod creation policy": {
old: apps.StatefulSet{
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.StatefulSetSpec{
Selector: &metav1.LabelSelector{MatchLabels: validLabels},
Template: validPodTemplate.Template,
UpdateStrategy: apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType},
},
},
update: apps.StatefulSet{
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.StatefulSetSpec{
PodManagementPolicy: apps.PodManagementPolicyType("Other"),
Replicas: 3,
Selector: &metav1.LabelSelector{MatchLabels: validLabels},
Template: validPodTemplate.Template,
UpdateStrategy: apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType},
},
},
},
"invalid selector": {
old: apps.StatefulSet{
ObjectMeta: metav1.ObjectMeta{Name: "", Namespace: metav1.NamespaceDefault},
Spec: apps.StatefulSetSpec{
Selector: &metav1.LabelSelector{MatchLabels: validLabels},
Template: validPodTemplate.Template,
UpdateStrategy: apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType},
},
},
update: apps.StatefulSet{
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.StatefulSetSpec{
PodManagementPolicy: apps.OrderedReadyPodManagement,
Replicas: 2,
Selector: &metav1.LabelSelector{MatchLabels: invalidLabels},
Template: validPodTemplate.Template,
UpdateStrategy: apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType},
},
},
},
"invalid pod": {
old: apps.StatefulSet{
ObjectMeta: metav1.ObjectMeta{Name: "", Namespace: metav1.NamespaceDefault},
Spec: apps.StatefulSetSpec{
PodManagementPolicy: apps.OrderedReadyPodManagement,
Selector: &metav1.LabelSelector{MatchLabels: validLabels},
Template: validPodTemplate.Template,
UpdateStrategy: apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType},
},
},
update: apps.StatefulSet{
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.StatefulSetSpec{
Replicas: 2,
Selector: &metav1.LabelSelector{MatchLabels: validLabels},
Template: invalidPodTemplate.Template,
UpdateStrategy: apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType},
},
},
},
"negative replicas": {
old: apps.StatefulSet{
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.StatefulSetSpec{
Selector: &metav1.LabelSelector{MatchLabels: validLabels},
Template: validPodTemplate.Template,
},
},
update: apps.StatefulSet{
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.StatefulSetSpec{
PodManagementPolicy: apps.OrderedReadyPodManagement,
Replicas: -1,
Selector: &metav1.LabelSelector{MatchLabels: validLabels},
Template: validPodTemplate.Template,
UpdateStrategy: apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType},
},
},
},
}
for testName, errorCase := range errorCases {
if errs := ValidateStatefulSetUpdate(&errorCase.update, &errorCase.old); len(errs) == 0 {
t.Errorf("expected failure: %s", testName)
}
}
}
func TestValidateControllerRevision(t *testing.T) {
newControllerRevision := func(name, namespace string, data runtime.Object, revision int64) apps.ControllerRevision {
return apps.ControllerRevision{
ObjectMeta: metav1.ObjectMeta{
Name: name,
Namespace: namespace,
},
Data: data,
Revision: revision,
}
}
ss := apps.StatefulSet{
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.StatefulSetSpec{
Selector: &metav1.LabelSelector{MatchLabels: map[string]string{"foo": "bar"}},
Template: api.PodTemplateSpec{
Spec: api.PodSpec{
RestartPolicy: api.RestartPolicyAlways,
DNSPolicy: api.DNSClusterFirst,
},
ObjectMeta: metav1.ObjectMeta{
Labels: map[string]string{"foo": "bar"},
},
},
},
}
var (
valid = newControllerRevision("validname", "validns", &ss, 0)
badRevision = newControllerRevision("validname", "validns", &ss, -1)
emptyName = newControllerRevision("", "validns", &ss, 0)
invalidName = newControllerRevision("NoUppercaseOrSpecialCharsLike=Equals", "validns", &ss, 0)
emptyNs = newControllerRevision("validname", "", &ss, 100)
invalidNs = newControllerRevision("validname", "NoUppercaseOrSpecialCharsLike=Equals", &ss, 100)
nilData = newControllerRevision("validname", "NoUppercaseOrSpecialCharsLike=Equals", nil, 100)
)
tests := map[string]struct {
history apps.ControllerRevision
isValid bool
}{
"valid": {valid, true},
"negative revision": {badRevision, false},
"empty name": {emptyName, false},
"invalid name": {invalidName, false},
"empty namespace": {emptyNs, false},
"invalid namespace": {invalidNs, false},
"nil data": {nilData, false},
}
for name, tc := range tests {
errs := ValidateControllerRevision(&tc.history)
if tc.isValid && len(errs) > 0 {
t.Errorf("%v: unexpected error: %v", name, errs)
}
if !tc.isValid && len(errs) == 0 {
t.Errorf("%v: unexpected non-error", name)
}
}
}
func TestValidateControllerRevisionUpdate(t *testing.T) {
newControllerRevision := func(version, name, namespace string, data runtime.Object, revision int64) apps.ControllerRevision {
return apps.ControllerRevision{
ObjectMeta: metav1.ObjectMeta{
Name: name,
Namespace: namespace,
ResourceVersion: version,
},
Data: data,
Revision: revision,
}
}
ss := apps.StatefulSet{
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.StatefulSetSpec{
Selector: &metav1.LabelSelector{MatchLabels: map[string]string{"foo": "bar"}},
Template: api.PodTemplateSpec{
Spec: api.PodSpec{
RestartPolicy: api.RestartPolicyAlways,
DNSPolicy: api.DNSClusterFirst,
},
ObjectMeta: metav1.ObjectMeta{
Labels: map[string]string{"foo": "bar"},
},
},
},
}
modifiedss := apps.StatefulSet{
ObjectMeta: metav1.ObjectMeta{Name: "cdf", Namespace: metav1.NamespaceDefault},
Spec: apps.StatefulSetSpec{
Selector: &metav1.LabelSelector{MatchLabels: map[string]string{"foo": "bar"}},
Template: api.PodTemplateSpec{
Spec: api.PodSpec{
RestartPolicy: api.RestartPolicyAlways,
DNSPolicy: api.DNSClusterFirst,
},
ObjectMeta: metav1.ObjectMeta{
Labels: map[string]string{"foo": "bar"},
},
},
},
}
var (
valid = newControllerRevision("1", "validname", "validns", &ss, 0)
noVersion = newControllerRevision("", "validname", "validns", &ss, 0)
changedData = newControllerRevision("1", "validname", "validns", &modifiedss, 0)
changedRevision = newControllerRevision("1", "validname", "validns", &ss, 1)
)
cases := []struct {
name string
newHistory apps.ControllerRevision
oldHistory apps.ControllerRevision
isValid bool
}{
{
name: "valid",
newHistory: valid,
oldHistory: valid,
isValid: true,
},
{
name: "invalid",
newHistory: noVersion,
oldHistory: valid,
isValid: false,
},
{
name: "changed data",
newHistory: changedData,
oldHistory: valid,
isValid: false,
},
{
name: "changed revision",
newHistory: changedRevision,
oldHistory: valid,
isValid: true,
},
}
for _, tc := range cases {
errs := ValidateControllerRevisionUpdate(&tc.newHistory, &tc.oldHistory)
if tc.isValid && len(errs) > 0 {
t.Errorf("%v: unexpected error: %v", tc.name, errs)
}
if !tc.isValid && len(errs) == 0 {
t.Errorf("%v: unexpected non-error", tc.name)
}
}
}