kubernetes validation_test 源码
kubernetes validation_test 代码
文件路径：/pkg/apis/apps/validation/validation_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 validation
import (
"fmt"
"strings"
"testing"
"github.com/davecgh/go-spew/spew"
"github.com/google/go-cmp/cmp"
"github.com/google/go-cmp/cmp/cmpopts"
"k8s.io/apimachinery/pkg/api/resource"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/util/intstr"
"k8s.io/apimachinery/pkg/util/validation/field"
utilfeature "k8s.io/apiserver/pkg/util/feature"
featuregatetesting "k8s.io/component-base/featuregate/testing"
"k8s.io/kubernetes/pkg/api/pod"
"k8s.io/kubernetes/pkg/apis/apps"
api "k8s.io/kubernetes/pkg/apis/core"
corevalidation "k8s.io/kubernetes/pkg/apis/core/validation"
"k8s.io/kubernetes/pkg/features"
)
func intStrAddr(intOrStr intstr.IntOrString) *intstr.IntOrString {
return &intOrStr
}
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,
},
},
}
invalidTime := int64(60)
invalidPodTemplate2 := api.PodTemplate{
Template: api.PodTemplateSpec{
ObjectMeta: metav1.ObjectMeta{
Labels: validLabels,
},
Spec: api.PodSpec{
RestartPolicy: api.RestartPolicyAlways,
DNSPolicy: api.DNSClusterFirst,
ActiveDeadlineSeconds: &invalidTime,
},
},
}
const enableStatefulSetAutoDeletePVC = "[enable StatefulSetAutoDeletePVC]"
type testCase struct {
name string
set apps.StatefulSet
errs field.ErrorList
}
successCases := []testCase{
{
name: "alpha name",
set: 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},
},
},
},
{
name: "alphanumeric name",
set: apps.StatefulSet{
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},
},
},
},
{
name: "parallel pod management",
set: apps.StatefulSet{
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},
},
},
},
{
name: "ordered ready pod management",
set: apps.StatefulSet{
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},
},
},
},
{
name: "update strategy",
set: apps.StatefulSet{
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}
}()},
},
},
},
{
name: "PVC policy " + enableStatefulSetAutoDeletePVC,
set: apps.StatefulSet{
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},
PersistentVolumeClaimRetentionPolicy: &apps.StatefulSetPersistentVolumeClaimRetentionPolicy{
WhenDeleted: apps.DeletePersistentVolumeClaimRetentionPolicyType,
WhenScaled: apps.RetainPersistentVolumeClaimRetentionPolicyType,
},
},
},
},
{
name: "maxUnavailable with parallel pod management",
set: apps.StatefulSet{
ObjectMeta: metav1.ObjectMeta{Name: "abc-123", Namespace: metav1.NamespaceDefault},
Spec: apps.StatefulSetSpec{
PodManagementPolicy: apps.ParallelPodManagement,
Selector: &metav1.LabelSelector{MatchLabels: validLabels},
Template: validPodTemplate.Template,
Replicas: 3,
UpdateStrategy: apps.StatefulSetUpdateStrategy{
Type: apps.RollingUpdateStatefulSetStrategyType,
RollingUpdate: &apps.RollingUpdateStatefulSetStrategy{
Partition: 2,
MaxUnavailable: intStrAddr(intstr.FromInt(2)),
},
},
},
},
},
}
errorCases := []testCase{
{
name: "zero-length ID",
set: 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},
},
},
errs: field.ErrorList{
field.Required(field.NewPath("metadata", "name"), ""),
},
},
{
name: "missing-namespace",
set: apps.StatefulSet{
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},
},
},
errs: field.ErrorList{
field.Required(field.NewPath("metadata", "namespace"), ""),
},
},
{
name: "empty selector",
set: apps.StatefulSet{
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.StatefulSetSpec{
PodManagementPolicy: apps.OrderedReadyPodManagement,
Template: validPodTemplate.Template,
UpdateStrategy: apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType},
},
},
errs: field.ErrorList{
field.Required(field.NewPath("spec", "selector"), ""),
field.Invalid(field.NewPath("spec", "template", "metadata", "labels"), nil, ""), // selector is empty, labels are not, so select doesn't match labels
},
},
{
name: "selector_doesnt_match",
set: apps.StatefulSet{
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},
},
},
errs: field.ErrorList{
field.Invalid(field.NewPath("spec", "template", "metadata", "labels"), nil, ""),
},
},
{
name: "negative_replicas",
set: 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},
},
},
errs: field.ErrorList{
field.Invalid(field.NewPath("spec", "replicas"), nil, ""),
},
},
{
name: "invalid_label",
set: apps.StatefulSet{
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},
},
},
errs: field.ErrorList{
field.Invalid(field.NewPath("metadata", "labels"), nil, ""),
},
},
{
name: "invalid_label 2",
set: apps.StatefulSet{
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: invalidLabels},
Template: invalidPodTemplate.Template,
UpdateStrategy: apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType},
},
},
errs: field.ErrorList{
field.Invalid(field.NewPath("metadata", "labels"), nil, ""),
field.Invalid(field.NewPath("spec", "selector"), nil, ""),
field.Invalid(field.NewPath("spec", "selector", "matchLabels"), nil, ""),
},
},
{
name: "invalid_annotation",
set: apps.StatefulSet{
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},
},
},
errs: field.ErrorList{
field.Invalid(field.NewPath("metadata", "annotations"), nil, ""),
},
},
{
name: "invalid restart policy 1",
set: apps.StatefulSet{
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},
},
},
errs: field.ErrorList{
field.NotSupported(field.NewPath("spec", "template", "spec", "restartPolicy"), nil, nil),
},
},
{
name: "invalid restart policy 2",
set: apps.StatefulSet{
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},
},
},
errs: field.ErrorList{
field.NotSupported(field.NewPath("spec", "template", "spec", "restartPolicy"), nil, nil),
},
},
{
name: "empty restart policy",
set: apps.StatefulSet{
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{
DNSPolicy: api.DNSClusterFirst,
Containers: []api.Container{{Name: "ctr", Image: "image", ImagePullPolicy: "IfNotPresent"}},
},
ObjectMeta: metav1.ObjectMeta{
Labels: validLabels,
},
},
UpdateStrategy: apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType},
},
},
errs: field.ErrorList{
field.NotSupported(field.NewPath("spec", "template", "spec", "restartPolicy"), nil, nil),
},
},
{
name: "invalid update strategy",
set: apps.StatefulSet{
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"},
},
},
errs: field.ErrorList{
field.Invalid(field.NewPath("spec", "updateStrategy"), nil, ""),
},
},
{
name: "empty update strategy",
set: apps.StatefulSet{
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: ""},
},
},
errs: field.ErrorList{
field.Required(field.NewPath("spec", "updateStrategy"), ""),
},
},
{
name: "invalid rolling update",
set: apps.StatefulSet{
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.OnDeleteStatefulSetStrategyType,
RollingUpdate: func() *apps.RollingUpdateStatefulSetStrategy {
return &apps.RollingUpdateStatefulSetStrategy{Partition: 1}
}()},
},
},
errs: field.ErrorList{
field.Invalid(field.NewPath("spec", "updateStrategy", "rollingUpdate"), nil, ""),
},
},
{
name: "negative parition",
set: apps.StatefulSet{
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}
}()},
},
},
errs: field.ErrorList{
field.Invalid(field.NewPath("spec", "updateStrategy", "rollingUpdate", "partition"), nil, ""),
},
},
{
name: "empty pod management policy",
set: apps.StatefulSet{
ObjectMeta: metav1.ObjectMeta{Name: "abc-123", Namespace: metav1.NamespaceDefault},
Spec: apps.StatefulSetSpec{
PodManagementPolicy: "",
Selector: &metav1.LabelSelector{MatchLabels: validLabels},
Template: validPodTemplate.Template,
Replicas: 3,
UpdateStrategy: apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType},
},
},
errs: field.ErrorList{
field.Required(field.NewPath("spec", "podManagementPolicy"), ""),
},
},
{
name: "invalid pod management policy",
set: apps.StatefulSet{
ObjectMeta: metav1.ObjectMeta{Name: "abc-123", Namespace: metav1.NamespaceDefault},
Spec: apps.StatefulSetSpec{
PodManagementPolicy: "foo",
Selector: &metav1.LabelSelector{MatchLabels: validLabels},
Template: validPodTemplate.Template,
Replicas: 3,
UpdateStrategy: apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType},
},
},
errs: field.ErrorList{
field.Invalid(field.NewPath("spec", "podManagementPolicy"), nil, ""),
},
},
{
name: "set active deadline seconds",
set: apps.StatefulSet{
ObjectMeta: metav1.ObjectMeta{Name: "abc-123", Namespace: metav1.NamespaceDefault},
Spec: apps.StatefulSetSpec{
PodManagementPolicy: apps.OrderedReadyPodManagement,
Selector: &metav1.LabelSelector{MatchLabels: validLabels},
Template: invalidPodTemplate2.Template,
Replicas: 3,
UpdateStrategy: apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType},
},
},
errs: field.ErrorList{
field.Forbidden(field.NewPath("spec", "template", "spec", "activeDeadlineSeconds"), ""),
},
},
{
name: "empty PersistentVolumeClaimRetentionPolicy " + enableStatefulSetAutoDeletePVC,
set: apps.StatefulSet{
ObjectMeta: metav1.ObjectMeta{Name: "abc-123", Namespace: metav1.NamespaceDefault},
Spec: apps.StatefulSetSpec{
PersistentVolumeClaimRetentionPolicy: &apps.StatefulSetPersistentVolumeClaimRetentionPolicy{},
PodManagementPolicy: apps.OrderedReadyPodManagement,
Selector: &metav1.LabelSelector{MatchLabels: validLabels},
Template: validPodTemplate.Template,
UpdateStrategy: apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType},
},
},
errs: field.ErrorList{
field.NotSupported(field.NewPath("spec", "persistentVolumeClaimRetentionPolicy", "whenDeleted"), nil, nil),
field.NotSupported(field.NewPath("spec", "persistentVolumeClaimRetentionPolicy", "whenScaled"), nil, nil),
},
},
{
name: "invalid PersistentVolumeClaimRetentionPolicy " + enableStatefulSetAutoDeletePVC,
set: apps.StatefulSet{
ObjectMeta: metav1.ObjectMeta{Name: "abc-123", Namespace: metav1.NamespaceDefault},
Spec: apps.StatefulSetSpec{
PersistentVolumeClaimRetentionPolicy: &apps.StatefulSetPersistentVolumeClaimRetentionPolicy{
WhenScaled: apps.PersistentVolumeClaimRetentionPolicyType("invalid-retention-policy"),
WhenDeleted: apps.PersistentVolumeClaimRetentionPolicyType("invalid-retention-policy"),
},
PodManagementPolicy: apps.OrderedReadyPodManagement,
Selector: &metav1.LabelSelector{MatchLabels: validLabels},
Template: validPodTemplate.Template,
UpdateStrategy: apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType},
},
},
errs: field.ErrorList{
field.NotSupported(field.NewPath("spec", "persistentVolumeClaimRetentionPolicy", "whenDeleted"), nil, nil),
field.NotSupported(field.NewPath("spec", "persistentVolumeClaimRetentionPolicy", "whenScaled"), nil, nil),
},
},
{
name: "zero maxUnavailable",
set: apps.StatefulSet{
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: &apps.RollingUpdateStatefulSetStrategy{
MaxUnavailable: intStrAddr(intstr.FromInt(0)),
},
},
},
},
errs: field.ErrorList{
field.Invalid(field.NewPath("spec", "updateStrategy", "rollingUpdate", "maxUnavailable"), nil, ""),
},
},
{
name: "zero percent maxUnavailable",
set: apps.StatefulSet{
ObjectMeta: metav1.ObjectMeta{Name: "abc-123", Namespace: metav1.NamespaceDefault},
Spec: apps.StatefulSetSpec{
PodManagementPolicy: apps.ParallelPodManagement,
Selector: &metav1.LabelSelector{MatchLabels: validLabels},
Template: validPodTemplate.Template,
Replicas: 3,
UpdateStrategy: apps.StatefulSetUpdateStrategy{
Type: apps.RollingUpdateStatefulSetStrategyType,
RollingUpdate: &apps.RollingUpdateStatefulSetStrategy{
MaxUnavailable: intStrAddr(intstr.FromString("0%")),
},
},
},
},
errs: field.ErrorList{
field.Invalid(field.NewPath("spec", "updateStrategy", "rollingUpdate", "maxUnavailable"), nil, ""),
},
},
{
name: "greater than 100 percent maxUnavailable",
set: apps.StatefulSet{
ObjectMeta: metav1.ObjectMeta{Name: "abc-123", Namespace: metav1.NamespaceDefault},
Spec: apps.StatefulSetSpec{
PodManagementPolicy: apps.ParallelPodManagement,
Selector: &metav1.LabelSelector{MatchLabels: validLabels},
Template: validPodTemplate.Template,
Replicas: 3,
UpdateStrategy: apps.StatefulSetUpdateStrategy{
Type: apps.RollingUpdateStatefulSetStrategyType,
RollingUpdate: &apps.RollingUpdateStatefulSetStrategy{
MaxUnavailable: intStrAddr(intstr.FromString("101%")),
},
},
},
},
errs: field.ErrorList{
field.Invalid(field.NewPath("spec", "updateStrategy", "rollingUpdate", "maxUnavailable"), nil, ""),
},
},
}
cmpOpts := []cmp.Option{cmpopts.IgnoreFields(field.Error{}, "BadValue", "Detail"), cmpopts.SortSlices(func(a, b *field.Error) bool { return a.Error() < b.Error() })}
for _, testCase := range append(successCases, errorCases...) {
name := testCase.name
var testTitle string
if len(testCase.errs) == 0 {
testTitle = fmt.Sprintf("success case %s", name)
} else {
testTitle = fmt.Sprintf("error case %s", name)
}
t.Run(testTitle, func(t *testing.T) {
if strings.Contains(name, enableStatefulSetAutoDeletePVC) {
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.StatefulSetAutoDeletePVC, true)()
}
errs := ValidateStatefulSet(&testCase.set, pod.GetValidationOptionsFromPodTemplate(&testCase.set.Spec.Template, nil))
wantErrs := testCase.errs
if diff := cmp.Diff(wantErrs, errs, cmpOpts...); diff != "" {
t.Errorf("Unexpected validation errors (-want,+got):\n%s", diff)
}
})
}
}
// generateStatefulSetSpec generates a valid StatefulSet spec
func generateStatefulSetSpec(minSeconds int32) *apps.StatefulSetSpec {
labels := map[string]string{"a": "b"}
podTemplate := api.PodTemplate{
Template: api.PodTemplateSpec{
ObjectMeta: metav1.ObjectMeta{
Labels: labels,
},
Spec: api.PodSpec{
RestartPolicy: api.RestartPolicyAlways,
DNSPolicy: api.DNSClusterFirst,
Containers: []api.Container{{Name: "abc", Image: "image", ImagePullPolicy: "IfNotPresent"}},
},
},
}
ss := &apps.StatefulSetSpec{
PodManagementPolicy: "OrderedReady",
Selector: &metav1.LabelSelector{MatchLabels: labels},
Template: podTemplate.Template,
Replicas: 3,
UpdateStrategy: apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType},
MinReadySeconds: minSeconds,
}
return ss
}
// TestValidateStatefulSetMinReadySeconds tests the StatefulSet Spec's minReadySeconds field
func TestValidateStatefulSetMinReadySeconds(t *testing.T) {
testCases := map[string]struct {
ss *apps.StatefulSetSpec
expectErr bool
}{
"valid : minReadySeconds enabled, zero": {
ss: generateStatefulSetSpec(0),
expectErr: false,
},
"invalid : minReadySeconds enabled, negative": {
ss: generateStatefulSetSpec(-1),
expectErr: true,
},
"valid : minReadySeconds enabled, very large value": {
ss: generateStatefulSetSpec(2147483647),
expectErr: false,
},
"invalid : minReadySeconds enabled, large negative": {
ss: generateStatefulSetSpec(-2147483648),
expectErr: true,
},
}
for tcName, tc := range testCases {
t.Run(tcName, func(t *testing.T) {
errs := ValidateStatefulSetSpec(tc.ss, field.NewPath("spec", "minReadySeconds"),
corevalidation.PodValidationOptions{})
if tc.expectErr && len(errs) == 0 {
t.Errorf("Unexpected success")
}
if !tc.expectErr && len(errs) != 0 {
t.Errorf("Unexpected error(s): %v", errs)
}
})
}
}
func TestValidateStatefulSetStatus(t *testing.T) {
observedGenerationMinusOne := int64(-1)
collisionCountMinusOne := int32(-1)
tests := []struct {
name string
replicas int32
readyReplicas int32
currentReplicas int32
updatedReplicas int32
availableReplicas 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,
},
{
name: "invalid: number of available replicas",
replicas: 3,
readyReplicas: 3,
currentReplicas: 2,
availableReplicas: int32(-1),
expectedErr: true,
},
{
name: "invalid: available replicas greater than replicas",
replicas: 3,
readyReplicas: 3,
currentReplicas: 2,
availableReplicas: int32(4),
expectedErr: true,
},
{
name: "invalid: available replicas greater than ready replicas",
replicas: 3,
readyReplicas: 2,
currentReplicas: 2,
availableReplicas: int32(3),
expectedErr: true,
},
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
status := apps.StatefulSetStatus{
Replicas: test.replicas,
ReadyReplicas: test.readyReplicas,
CurrentReplicas: test.currentReplicas,
UpdatedReplicas: test.updatedReplicas,
ObservedGeneration: test.observedGeneration,
CollisionCount: test.collisionCount,
AvailableReplicas: test.availableReplicas,
}
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"}
validLabels2 := map[string]string{"c": "d"}
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"}},
},
},
}
validPodTemplate2 := api.PodTemplate{
Template: api.PodTemplateSpec{
ObjectMeta: metav1.ObjectMeta{
Labels: validLabels2,
},
Spec: api.PodSpec{
RestartPolicy: api.RestartPolicyAlways,
DNSPolicy: api.DNSClusterFirst,
Containers: []api.Container{{Name: "abc", Image: "image", ImagePullPolicy: "IfNotPresent"}},
},
},
}
storageClass := "storage-class1"
storageClass2 := "storage-class2"
validPVCTemplate := api.PersistentVolumeClaim{
ObjectMeta: metav1.ObjectMeta{
Name: "pvc-abc",
},
Spec: api.PersistentVolumeClaimSpec{
StorageClassName: &storageClass,
Resources: api.ResourceRequirements{
Requests: api.ResourceList{
api.ResourceStorage: resource.MustParse("1Gi"),
},
},
},
}
validPVCTemplateChangedSize := *validPVCTemplate.DeepCopy()
validPVCTemplateChangedSize.Spec.Resources.Requests[api.ResourceStorage] = resource.MustParse("2Gi")
validPVCTemplateChangedClass := *validPVCTemplate.DeepCopy()
validPVCTemplateChangedClass.Spec.StorageClassName = &storageClass2
validPVCTemplate2 := api.PersistentVolumeClaim{
ObjectMeta: metav1.ObjectMeta{
Name: "pvc-abc2",
},
Spec: api.PersistentVolumeClaimSpec{
StorageClassName: &storageClass2,
Resources: api.ResourceRequirements{
Requests: api.ResourceList{
api.ResourceStorage: resource.MustParse("2Gi"),
},
},
},
}
addContainersValidTemplate := validPodTemplate.DeepCopy()
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)
}
type testCase struct {
name string
old apps.StatefulSet
update apps.StatefulSet
errs field.ErrorList
}
successCases := []testCase{
{
name: "update replica count",
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},
},
},
},
{
name: "update containers 1",
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},
},
},
},
{
name: "update containers 2",
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},
},
},
},
{
name: "update containers and pvc retention policy 1",
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},
PersistentVolumeClaimRetentionPolicy: &apps.StatefulSetPersistentVolumeClaimRetentionPolicy{
WhenDeleted: apps.RetainPersistentVolumeClaimRetentionPolicyType,
WhenScaled: apps.RetainPersistentVolumeClaimRetentionPolicyType,
},
},
},
},
{
name: "update containers and pvc retention policy 2",
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},
PersistentVolumeClaimRetentionPolicy: &apps.StatefulSetPersistentVolumeClaimRetentionPolicy{
WhenScaled: apps.RetainPersistentVolumeClaimRetentionPolicyType,
},
},
},
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},
},
},
},
{
name: "update update strategy",
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: validPodTemplate.Template,
UpdateStrategy: apps.StatefulSetUpdateStrategy{Type: apps.OnDeleteStatefulSetStrategyType},
},
},
},
{
name: "update min ready seconds 1",
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: validPodTemplate.Template,
UpdateStrategy: apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType},
MinReadySeconds: 10,
},
},
},
{
name: "update min ready seconds 2",
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},
MinReadySeconds: 5,
},
},
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},
MinReadySeconds: 10,
},
},
},
}
errorCases := []testCase{
{
name: "update name",
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: "abc2", Namespace: metav1.NamespaceDefault},
Spec: apps.StatefulSetSpec{
PodManagementPolicy: apps.OrderedReadyPodManagement,
Selector: &metav1.LabelSelector{MatchLabels: validLabels},
Template: validPodTemplate.Template,
UpdateStrategy: apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType},
},
},
errs: field.ErrorList{
field.Invalid(field.NewPath("metadata", "name"), nil, ""),
},
},
{
name: "update namespace",
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 + "1"},
Spec: apps.StatefulSetSpec{
PodManagementPolicy: apps.OrderedReadyPodManagement,
Selector: &metav1.LabelSelector{MatchLabels: validLabels},
Template: validPodTemplate.Template,
UpdateStrategy: apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType},
},
},
errs: field.ErrorList{
field.Invalid(field.NewPath("metadata", "namespace"), nil, ""),
},
},
{
name: "update selector",
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: validLabels2},
Template: validPodTemplate2.Template,
UpdateStrategy: apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType},
},
},
errs: field.ErrorList{
field.Forbidden(field.NewPath("spec"), ""),
},
},
{
name: "update pod management policy 1",
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.OrderedReadyPodManagement,
Selector: &metav1.LabelSelector{MatchLabels: validLabels},
Template: validPodTemplate.Template,
UpdateStrategy: apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType},
},
},
errs: field.ErrorList{
field.Forbidden(field.NewPath("spec"), ""),
},
},
{
name: "update pod management policy 2",
old: apps.StatefulSet{
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.StatefulSetSpec{
PodManagementPolicy: apps.ParallelPodManagement,
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: validPodTemplate.Template,
UpdateStrategy: apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType},
},
},
errs: field.ErrorList{
field.Forbidden(field.NewPath("spec"), ""),
},
},
{
name: "update to negative replicas",
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: -1,
Selector: &metav1.LabelSelector{MatchLabels: validLabels},
Template: validPodTemplate.Template,
UpdateStrategy: apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType},
},
},
errs: field.ErrorList{
field.Invalid(field.NewPath("spec", "replicas"), nil, ""),
},
},
{
name: "update pvc template size",
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},
VolumeClaimTemplates: []api.PersistentVolumeClaim{validPVCTemplate},
},
},
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},
VolumeClaimTemplates: []api.PersistentVolumeClaim{validPVCTemplateChangedSize},
},
},
errs: field.ErrorList{
field.Forbidden(field.NewPath("spec"), ""),
},
},
{
name: "update pvc template storage class",
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},
VolumeClaimTemplates: []api.PersistentVolumeClaim{validPVCTemplate},
},
},
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},
VolumeClaimTemplates: []api.PersistentVolumeClaim{validPVCTemplateChangedClass},
},
},
errs: field.ErrorList{
field.Forbidden(field.NewPath("spec"), ""),
},
},
{
name: "add new pvc template",
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},
VolumeClaimTemplates: []api.PersistentVolumeClaim{validPVCTemplate},
},
},
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},
VolumeClaimTemplates: []api.PersistentVolumeClaim{validPVCTemplate, validPVCTemplate2},
},
},
errs: field.ErrorList{
field.Forbidden(field.NewPath("spec"), ""),
},
},
}
cmpOpts := []cmp.Option{cmpopts.IgnoreFields(field.Error{}, "BadValue", "Detail"), cmpopts.SortSlices(func(a, b *field.Error) bool { return a.Error() < b.Error() })}
for _, testCase := range append(successCases, errorCases...) {
name := testCase.name
var testTitle string
if len(testCase.errs) == 0 {
testTitle = fmt.Sprintf("success case %s", name)
} else {
testTitle = fmt.Sprintf("error case %s", name)
}
t.Run(testTitle, func(t *testing.T) {
testCase.old.ObjectMeta.ResourceVersion = "1"
testCase.update.ObjectMeta.ResourceVersion = "1"
errs := ValidateStatefulSetUpdate(&testCase.update, &testCase.old, pod.GetValidationOptionsFromPodTemplate(&testCase.update.Spec.Template, &testCase.old.Spec.Template))
wantErrs := testCase.errs
if diff := cmp.Diff(wantErrs, errs, cmpOpts...); diff != "" {
t.Errorf("Unexpected validation errors (-want,+got):\n%s", diff)
}
})
}
}
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 {
t.Run(name, func(t *testing.T) {
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 {
t.Run(tc.name, func(t *testing.T) {
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)
}
})
}
}
func TestValidateDaemonSetStatusUpdate(t *testing.T) {
type dsUpdateTest struct {
old apps.DaemonSet
update apps.DaemonSet
}
successCases := []dsUpdateTest{
{
old: apps.DaemonSet{
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Status: apps.DaemonSetStatus{
CurrentNumberScheduled: 1,
NumberMisscheduled: 2,
DesiredNumberScheduled: 3,
NumberReady: 1,
UpdatedNumberScheduled: 1,
NumberAvailable: 1,
NumberUnavailable: 2,
},
},
update: apps.DaemonSet{
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Status: apps.DaemonSetStatus{
CurrentNumberScheduled: 1,
NumberMisscheduled: 1,
DesiredNumberScheduled: 3,
NumberReady: 1,
UpdatedNumberScheduled: 1,
NumberAvailable: 1,
NumberUnavailable: 2,
},
},
},
}
for _, successCase := range successCases {
successCase.old.ObjectMeta.ResourceVersion = "1"
successCase.update.ObjectMeta.ResourceVersion = "1"
if errs := ValidateDaemonSetStatusUpdate(&successCase.update, &successCase.old); len(errs) != 0 {
t.Errorf("expected success: %v", errs)
}
}
errorCases := map[string]dsUpdateTest{
"negative values": {
old: apps.DaemonSet{
ObjectMeta: metav1.ObjectMeta{
Name: "abc",
Namespace: metav1.NamespaceDefault,
ResourceVersion: "10",
},
Status: apps.DaemonSetStatus{
CurrentNumberScheduled: 1,
NumberMisscheduled: 2,
DesiredNumberScheduled: 3,
NumberReady: 1,
ObservedGeneration: 3,
UpdatedNumberScheduled: 1,
NumberAvailable: 1,
NumberUnavailable: 2,
},
},
update: apps.DaemonSet{
ObjectMeta: metav1.ObjectMeta{
Name: "abc",
Namespace: metav1.NamespaceDefault,
ResourceVersion: "10",
},
Status: apps.DaemonSetStatus{
CurrentNumberScheduled: -1,
NumberMisscheduled: -1,
DesiredNumberScheduled: -3,
NumberReady: -1,
ObservedGeneration: -3,
UpdatedNumberScheduled: -1,
NumberAvailable: -1,
NumberUnavailable: -2,
},
},
},
"negative CurrentNumberScheduled": {
old: apps.DaemonSet{
ObjectMeta: metav1.ObjectMeta{
Name: "abc",
Namespace: metav1.NamespaceDefault,
ResourceVersion: "10",
},
Status: apps.DaemonSetStatus{
CurrentNumberScheduled: 1,
NumberMisscheduled: 2,
DesiredNumberScheduled: 3,
NumberReady: 1,
ObservedGeneration: 3,
UpdatedNumberScheduled: 1,
NumberAvailable: 1,
NumberUnavailable: 2,
},
},
update: apps.DaemonSet{
ObjectMeta: metav1.ObjectMeta{
Name: "abc",
Namespace: metav1.NamespaceDefault,
ResourceVersion: "10",
},
Status: apps.DaemonSetStatus{
CurrentNumberScheduled: -1,
NumberMisscheduled: 1,
DesiredNumberScheduled: 3,
NumberReady: 1,
ObservedGeneration: 3,
UpdatedNumberScheduled: 1,
NumberAvailable: 1,
NumberUnavailable: 2,
},
},
},
"negative NumberMisscheduled": {
old: apps.DaemonSet{
ObjectMeta: metav1.ObjectMeta{
Name: "abc",
Namespace: metav1.NamespaceDefault,
ResourceVersion: "10",
},
Status: apps.DaemonSetStatus{
CurrentNumberScheduled: 1,
NumberMisscheduled: 2,
DesiredNumberScheduled: 3,
NumberReady: 1,
ObservedGeneration: 3,
UpdatedNumberScheduled: 1,
NumberAvailable: 1,
NumberUnavailable: 2,
},
},
update: apps.DaemonSet{
ObjectMeta: metav1.ObjectMeta{
Name: "abc",
Namespace: metav1.NamespaceDefault,
ResourceVersion: "10",
},
Status: apps.DaemonSetStatus{
CurrentNumberScheduled: 1,
NumberMisscheduled: -1,
DesiredNumberScheduled: 3,
NumberReady: 1,
ObservedGeneration: 3,
UpdatedNumberScheduled: 1,
NumberAvailable: 1,
NumberUnavailable: 2,
},
},
},
"negative DesiredNumberScheduled": {
old: apps.DaemonSet{
ObjectMeta: metav1.ObjectMeta{
Name: "abc",
Namespace: metav1.NamespaceDefault,
ResourceVersion: "10",
},
Status: apps.DaemonSetStatus{
CurrentNumberScheduled: 1,
NumberMisscheduled: 2,
DesiredNumberScheduled: 3,
NumberReady: 1,
ObservedGeneration: 3,
UpdatedNumberScheduled: 1,
NumberAvailable: 1,
NumberUnavailable: 2,
},
},
update: apps.DaemonSet{
ObjectMeta: metav1.ObjectMeta{
Name: "abc",
Namespace: metav1.NamespaceDefault,
ResourceVersion: "10",
},
Status: apps.DaemonSetStatus{
CurrentNumberScheduled: 1,
NumberMisscheduled: 1,
DesiredNumberScheduled: -3,
NumberReady: 1,
ObservedGeneration: 3,
UpdatedNumberScheduled: 1,
NumberAvailable: 1,
NumberUnavailable: 2,
},
},
},
"negative NumberReady": {
old: apps.DaemonSet{
ObjectMeta: metav1.ObjectMeta{
Name: "abc",
Namespace: metav1.NamespaceDefault,
ResourceVersion: "10",
},
Status: apps.DaemonSetStatus{
CurrentNumberScheduled: 1,
NumberMisscheduled: 2,
DesiredNumberScheduled: 3,
NumberReady: 1,
ObservedGeneration: 3,
UpdatedNumberScheduled: 1,
NumberAvailable: 1,
NumberUnavailable: 2,
},
},
update: apps.DaemonSet{
ObjectMeta: metav1.ObjectMeta{
Name: "abc",
Namespace: metav1.NamespaceDefault,
ResourceVersion: "10",
},
Status: apps.DaemonSetStatus{
CurrentNumberScheduled: 1,
NumberMisscheduled: 1,
DesiredNumberScheduled: 3,
NumberReady: -1,
ObservedGeneration: 3,
UpdatedNumberScheduled: 1,
NumberAvailable: 1,
NumberUnavailable: 2,
},
},
},
"negative ObservedGeneration": {
old: apps.DaemonSet{
ObjectMeta: metav1.ObjectMeta{
Name: "abc",
Namespace: metav1.NamespaceDefault,
ResourceVersion: "10",
},
Status: apps.DaemonSetStatus{
CurrentNumberScheduled: 1,
NumberMisscheduled: 2,
DesiredNumberScheduled: 3,
NumberReady: 1,
ObservedGeneration: 3,
UpdatedNumberScheduled: 1,
NumberAvailable: 1,
NumberUnavailable: 2,
},
},
update: apps.DaemonSet{
ObjectMeta: metav1.ObjectMeta{
Name: "abc",
Namespace: metav1.NamespaceDefault,
ResourceVersion: "10",
},
Status: apps.DaemonSetStatus{
CurrentNumberScheduled: 1,
NumberMisscheduled: 1,
DesiredNumberScheduled: 3,
NumberReady: 1,
ObservedGeneration: -3,
UpdatedNumberScheduled: 1,
NumberAvailable: 1,
NumberUnavailable: 2,
},
},
},
"negative UpdatedNumberScheduled": {
old: apps.DaemonSet{
ObjectMeta: metav1.ObjectMeta{
Name: "abc",
Namespace: metav1.NamespaceDefault,
ResourceVersion: "10",
},
Status: apps.DaemonSetStatus{
CurrentNumberScheduled: 1,
NumberMisscheduled: 2,
DesiredNumberScheduled: 3,
NumberReady: 1,
ObservedGeneration: 3,
UpdatedNumberScheduled: 1,
NumberAvailable: 1,
NumberUnavailable: 2,
},
},
update: apps.DaemonSet{
ObjectMeta: metav1.ObjectMeta{
Name: "abc",
Namespace: metav1.NamespaceDefault,
ResourceVersion: "10",
},
Status: apps.DaemonSetStatus{
CurrentNumberScheduled: 1,
NumberMisscheduled: 1,
DesiredNumberScheduled: 3,
NumberReady: 1,
ObservedGeneration: 3,
UpdatedNumberScheduled: -1,
NumberAvailable: 1,
NumberUnavailable: 2,
},
},
},
"negative NumberAvailable": {
old: apps.DaemonSet{
ObjectMeta: metav1.ObjectMeta{
Name: "abc",
Namespace: metav1.NamespaceDefault,
ResourceVersion: "10",
},
Status: apps.DaemonSetStatus{
CurrentNumberScheduled: 1,
NumberMisscheduled: 2,
DesiredNumberScheduled: 3,
NumberReady: 1,
ObservedGeneration: 3,
UpdatedNumberScheduled: 1,
NumberAvailable: 1,
NumberUnavailable: 2,
},
},
update: apps.DaemonSet{
ObjectMeta: metav1.ObjectMeta{
Name: "abc",
Namespace: metav1.NamespaceDefault,
ResourceVersion: "10",
},
Status: apps.DaemonSetStatus{
CurrentNumberScheduled: 1,
NumberMisscheduled: 1,
DesiredNumberScheduled: 3,
NumberReady: 1,
ObservedGeneration: 3,
UpdatedNumberScheduled: 1,
NumberAvailable: -1,
NumberUnavailable: 2,
},
},
},
"negative NumberUnavailable": {
old: apps.DaemonSet{
ObjectMeta: metav1.ObjectMeta{
Name: "abc",
Namespace: metav1.NamespaceDefault,
ResourceVersion: "10",
},
Status: apps.DaemonSetStatus{
CurrentNumberScheduled: 1,
NumberMisscheduled: 2,
DesiredNumberScheduled: 3,
NumberReady: 1,
ObservedGeneration: 3,
UpdatedNumberScheduled: 1,
NumberAvailable: 1,
NumberUnavailable: 2,
},
},
update: apps.DaemonSet{
ObjectMeta: metav1.ObjectMeta{
Name: "abc",
Namespace: metav1.NamespaceDefault,
ResourceVersion: "10",
},
Status: apps.DaemonSetStatus{
CurrentNumberScheduled: 1,
NumberMisscheduled: 1,
DesiredNumberScheduled: 3,
NumberReady: 1,
ObservedGeneration: 3,
UpdatedNumberScheduled: 1,
NumberAvailable: 1,
NumberUnavailable: -2,
},
},
},
}
for testName, errorCase := range errorCases {
if errs := ValidateDaemonSetStatusUpdate(&errorCase.update, &errorCase.old); len(errs) == 0 {
t.Errorf("expected failure: %s", testName)
}
}
}
func TestValidateDaemonSetUpdate(t *testing.T) {
validSelector := map[string]string{"a": "b"}
validSelector2 := map[string]string{"c": "d"}
invalidSelector := map[string]string{"NoUppercaseOrSpecialCharsLike=Equals": "b"}
validPodSpecAbc := api.PodSpec{
RestartPolicy: api.RestartPolicyAlways,
DNSPolicy: api.DNSClusterFirst,
Containers: []api.Container{{Name: "abc", Image: "image", ImagePullPolicy: "IfNotPresent", TerminationMessagePolicy: api.TerminationMessageReadFile}},
}
validPodSpecDef := api.PodSpec{
RestartPolicy: api.RestartPolicyAlways,
DNSPolicy: api.DNSClusterFirst,
Containers: []api.Container{{Name: "def", Image: "image", ImagePullPolicy: "IfNotPresent", TerminationMessagePolicy: api.TerminationMessageReadFile}},
}
validPodSpecNodeSelector := api.PodSpec{
NodeSelector: validSelector,
NodeName: "xyz",
RestartPolicy: api.RestartPolicyAlways,
DNSPolicy: api.DNSClusterFirst,
Containers: []api.Container{{Name: "abc", Image: "image", ImagePullPolicy: "IfNotPresent", TerminationMessagePolicy: api.TerminationMessageReadFile}},
}
validPodSpecVolume := api.PodSpec{
Volumes: []api.Volume{{Name: "gcepd", VolumeSource: api.VolumeSource{GCEPersistentDisk: &api.GCEPersistentDiskVolumeSource{PDName: "my-PD", FSType: "ext4", Partition: 1, ReadOnly: false}}}},
RestartPolicy: api.RestartPolicyAlways,
DNSPolicy: api.DNSClusterFirst,
Containers: []api.Container{{Name: "abc", Image: "image", ImagePullPolicy: "IfNotPresent", TerminationMessagePolicy: api.TerminationMessageReadFile}},
}
validPodTemplateAbc := api.PodTemplate{
Template: api.PodTemplateSpec{
ObjectMeta: metav1.ObjectMeta{
Labels: validSelector,
},
Spec: validPodSpecAbc,
},
}
validPodTemplateAbcSemanticallyEqual := api.PodTemplate{
Template: api.PodTemplateSpec{
ObjectMeta: metav1.ObjectMeta{
Labels: validSelector,
},
Spec: validPodSpecAbc,
},
}
validPodTemplateAbcSemanticallyEqual.Template.Spec.ImagePullSecrets = []api.LocalObjectReference{}
validPodTemplateNodeSelector := api.PodTemplate{
Template: api.PodTemplateSpec{
ObjectMeta: metav1.ObjectMeta{
Labels: validSelector,
},
Spec: validPodSpecNodeSelector,
},
}
validPodTemplateAbc2 := api.PodTemplate{
Template: api.PodTemplateSpec{
ObjectMeta: metav1.ObjectMeta{
Labels: validSelector2,
},
Spec: validPodSpecAbc,
},
}
validPodTemplateDef := api.PodTemplate{
Template: api.PodTemplateSpec{
ObjectMeta: metav1.ObjectMeta{
Labels: validSelector2,
},
Spec: validPodSpecDef,
},
}
invalidPodTemplate := api.PodTemplate{
Template: api.PodTemplateSpec{
Spec: api.PodSpec{
// no containers specified
RestartPolicy: api.RestartPolicyAlways,
DNSPolicy: api.DNSClusterFirst,
},
ObjectMeta: metav1.ObjectMeta{
Labels: validSelector,
},
},
}
readWriteVolumePodTemplate := api.PodTemplate{
Template: api.PodTemplateSpec{
ObjectMeta: metav1.ObjectMeta{
Labels: validSelector,
},
Spec: validPodSpecVolume,
},
}
type dsUpdateTest struct {
old apps.DaemonSet
update apps.DaemonSet
expectedErrNum int
}
successCases := map[string]dsUpdateTest{
"no change": {
old: apps.DaemonSet{
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.DaemonSetSpec{
Selector: &metav1.LabelSelector{MatchLabels: validSelector},
TemplateGeneration: 1,
Template: validPodTemplateAbc.Template,
UpdateStrategy: apps.DaemonSetUpdateStrategy{
Type: apps.OnDeleteDaemonSetStrategyType,
},
},
},
update: apps.DaemonSet{
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.DaemonSetSpec{
Selector: &metav1.LabelSelector{MatchLabels: validSelector},
TemplateGeneration: 1,
Template: validPodTemplateAbc.Template,
UpdateStrategy: apps.DaemonSetUpdateStrategy{
Type: apps.OnDeleteDaemonSetStrategyType,
},
},
},
},
"change template and selector": {
old: apps.DaemonSet{
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.DaemonSetSpec{
Selector: &metav1.LabelSelector{MatchLabels: validSelector},
TemplateGeneration: 2,
Template: validPodTemplateAbc.Template,
UpdateStrategy: apps.DaemonSetUpdateStrategy{
Type: apps.OnDeleteDaemonSetStrategyType,
},
},
},
update: apps.DaemonSet{
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.DaemonSetSpec{
Selector: &metav1.LabelSelector{MatchLabels: validSelector2},
TemplateGeneration: 3,
Template: validPodTemplateAbc2.Template,
UpdateStrategy: apps.DaemonSetUpdateStrategy{
Type: apps.OnDeleteDaemonSetStrategyType,
},
},
},
},
"change template": {
old: apps.DaemonSet{
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.DaemonSetSpec{
Selector: &metav1.LabelSelector{MatchLabels: validSelector},
TemplateGeneration: 3,
Template: validPodTemplateAbc.Template,
UpdateStrategy: apps.DaemonSetUpdateStrategy{
Type: apps.OnDeleteDaemonSetStrategyType,
},
},
},
update: apps.DaemonSet{
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.DaemonSetSpec{
Selector: &metav1.LabelSelector{MatchLabels: validSelector},
TemplateGeneration: 4,
Template: validPodTemplateNodeSelector.Template,
UpdateStrategy: apps.DaemonSetUpdateStrategy{
Type: apps.OnDeleteDaemonSetStrategyType,
},
},
},
},
"change container image name": {
old: apps.DaemonSet{
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.DaemonSetSpec{
Selector: &metav1.LabelSelector{MatchLabels: validSelector},
TemplateGeneration: 1,
Template: validPodTemplateAbc.Template,
UpdateStrategy: apps.DaemonSetUpdateStrategy{
Type: apps.OnDeleteDaemonSetStrategyType,
},
},
},
update: apps.DaemonSet{
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.DaemonSetSpec{
Selector: &metav1.LabelSelector{MatchLabels: validSelector2},
TemplateGeneration: 2,
Template: validPodTemplateDef.Template,
UpdateStrategy: apps.DaemonSetUpdateStrategy{
Type: apps.OnDeleteDaemonSetStrategyType,
},
},
},
},
"change update strategy": {
old: apps.DaemonSet{
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.DaemonSetSpec{
Selector: &metav1.LabelSelector{MatchLabels: validSelector},
TemplateGeneration: 4,
Template: validPodTemplateAbc.Template,
UpdateStrategy: apps.DaemonSetUpdateStrategy{
Type: apps.OnDeleteDaemonSetStrategyType,
},
},
},
update: apps.DaemonSet{
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.DaemonSetSpec{
Selector: &metav1.LabelSelector{MatchLabels: validSelector},
TemplateGeneration: 4,
Template: validPodTemplateAbc.Template,
UpdateStrategy: apps.DaemonSetUpdateStrategy{
Type: apps.RollingUpdateDaemonSetStrategyType,
RollingUpdate: &apps.RollingUpdateDaemonSet{
MaxUnavailable: intstr.FromInt(1),
},
},
},
},
},
"unchanged templateGeneration upon semantically equal template update": {
old: apps.DaemonSet{
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.DaemonSetSpec{
Selector: &metav1.LabelSelector{MatchLabels: validSelector},
TemplateGeneration: 4,
Template: validPodTemplateAbc.Template,
UpdateStrategy: apps.DaemonSetUpdateStrategy{
Type: apps.OnDeleteDaemonSetStrategyType,
},
},
},
update: apps.DaemonSet{
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.DaemonSetSpec{
Selector: &metav1.LabelSelector{MatchLabels: validSelector},
TemplateGeneration: 4,
Template: validPodTemplateAbcSemanticallyEqual.Template,
UpdateStrategy: apps.DaemonSetUpdateStrategy{
Type: apps.RollingUpdateDaemonSetStrategyType,
RollingUpdate: &apps.RollingUpdateDaemonSet{
MaxUnavailable: intstr.FromInt(1),
},
},
},
},
},
}
for testName, successCase := range successCases {
// ResourceVersion is required for updates.
successCase.old.ObjectMeta.ResourceVersion = "1"
successCase.update.ObjectMeta.ResourceVersion = "2"
// Check test setup
if successCase.expectedErrNum > 0 {
t.Errorf("%q has incorrect test setup with expectedErrNum %d, expected no error", testName, successCase.expectedErrNum)
}
if len(successCase.old.ObjectMeta.ResourceVersion) == 0 || len(successCase.update.ObjectMeta.ResourceVersion) == 0 {
t.Errorf("%q has incorrect test setup with no resource version set", testName)
}
if errs := ValidateDaemonSetUpdate(&successCase.update, &successCase.old, corevalidation.PodValidationOptions{}); len(errs) != 0 {
t.Errorf("%q expected no error, but got: %v", testName, errs)
}
}
errorCases := map[string]dsUpdateTest{
"change daemon name": {
old: apps.DaemonSet{
ObjectMeta: metav1.ObjectMeta{Name: "", Namespace: metav1.NamespaceDefault},
Spec: apps.DaemonSetSpec{
Selector: &metav1.LabelSelector{MatchLabels: validSelector},
TemplateGeneration: 1,
Template: validPodTemplateAbc.Template,
UpdateStrategy: apps.DaemonSetUpdateStrategy{
Type: apps.OnDeleteDaemonSetStrategyType,
},
},
},
update: apps.DaemonSet{
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.DaemonSetSpec{
Selector: &metav1.LabelSelector{MatchLabels: validSelector},
TemplateGeneration: 1,
Template: validPodTemplateAbc.Template,
UpdateStrategy: apps.DaemonSetUpdateStrategy{
Type: apps.OnDeleteDaemonSetStrategyType,
},
},
},
expectedErrNum: 1,
},
"invalid selector": {
old: apps.DaemonSet{
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.DaemonSetSpec{
Selector: &metav1.LabelSelector{MatchLabels: validSelector},
TemplateGeneration: 1,
Template: validPodTemplateAbc.Template,
UpdateStrategy: apps.DaemonSetUpdateStrategy{
Type: apps.OnDeleteDaemonSetStrategyType,
},
},
},
update: apps.DaemonSet{
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.DaemonSetSpec{
Selector: &metav1.LabelSelector{MatchLabels: invalidSelector},
TemplateGeneration: 1,
Template: validPodTemplateAbc.Template,
UpdateStrategy: apps.DaemonSetUpdateStrategy{
Type: apps.OnDeleteDaemonSetStrategyType,
},
},
},
expectedErrNum: 1,
},
"invalid pod": {
old: apps.DaemonSet{
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.DaemonSetSpec{
Selector: &metav1.LabelSelector{MatchLabels: validSelector},
TemplateGeneration: 1,
Template: validPodTemplateAbc.Template,
UpdateStrategy: apps.DaemonSetUpdateStrategy{
Type: apps.OnDeleteDaemonSetStrategyType,
},
},
},
update: apps.DaemonSet{
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.DaemonSetSpec{
Selector: &metav1.LabelSelector{MatchLabels: validSelector},
TemplateGeneration: 2,
Template: invalidPodTemplate.Template,
UpdateStrategy: apps.DaemonSetUpdateStrategy{
Type: apps.OnDeleteDaemonSetStrategyType,
},
},
},
expectedErrNum: 1,
},
"invalid read-write volume": {
old: apps.DaemonSet{
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.DaemonSetSpec{
Selector: &metav1.LabelSelector{MatchLabels: validSelector},
TemplateGeneration: 1,
Template: validPodTemplateAbc.Template,
UpdateStrategy: apps.DaemonSetUpdateStrategy{
Type: apps.OnDeleteDaemonSetStrategyType,
},
},
},
update: apps.DaemonSet{
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.DaemonSetSpec{
Selector: &metav1.LabelSelector{MatchLabels: validSelector},
TemplateGeneration: 2,
Template: readWriteVolumePodTemplate.Template,
UpdateStrategy: apps.DaemonSetUpdateStrategy{
Type: apps.OnDeleteDaemonSetStrategyType,
},
},
},
expectedErrNum: 1,
},
"invalid update strategy": {
old: apps.DaemonSet{
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.DaemonSetSpec{
Selector: &metav1.LabelSelector{MatchLabels: validSelector},
TemplateGeneration: 1,
Template: validPodTemplateAbc.Template,
UpdateStrategy: apps.DaemonSetUpdateStrategy{
Type: apps.OnDeleteDaemonSetStrategyType,
},
},
},
update: apps.DaemonSet{
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.DaemonSetSpec{
Selector: &metav1.LabelSelector{MatchLabels: validSelector},
TemplateGeneration: 1,
Template: validPodTemplateAbc.Template,
UpdateStrategy: apps.DaemonSetUpdateStrategy{
Type: "Random",
},
},
},
expectedErrNum: 1,
},
"negative templateGeneration": {
old: apps.DaemonSet{
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.DaemonSetSpec{
Selector: &metav1.LabelSelector{MatchLabels: validSelector},
TemplateGeneration: -1,
Template: validPodTemplateAbc.Template,
UpdateStrategy: apps.DaemonSetUpdateStrategy{
Type: apps.OnDeleteDaemonSetStrategyType,
},
},
},
update: apps.DaemonSet{
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.DaemonSetSpec{
Selector: &metav1.LabelSelector{MatchLabels: validSelector},
TemplateGeneration: -1,
Template: validPodTemplateAbc.Template,
UpdateStrategy: apps.DaemonSetUpdateStrategy{
Type: apps.OnDeleteDaemonSetStrategyType,
},
},
},
expectedErrNum: 1,
},
"decreased templateGeneration": {
old: apps.DaemonSet{
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.DaemonSetSpec{
TemplateGeneration: 2,
Selector: &metav1.LabelSelector{MatchLabels: validSelector},
Template: validPodTemplateAbc.Template,
UpdateStrategy: apps.DaemonSetUpdateStrategy{
Type: apps.OnDeleteDaemonSetStrategyType,
},
},
},
update: apps.DaemonSet{
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.DaemonSetSpec{
TemplateGeneration: 1,
Selector: &metav1.LabelSelector{MatchLabels: validSelector},
Template: validPodTemplateAbc.Template,
UpdateStrategy: apps.DaemonSetUpdateStrategy{
Type: apps.OnDeleteDaemonSetStrategyType,
},
},
},
expectedErrNum: 1,
},
"unchanged templateGeneration upon template update": {
old: apps.DaemonSet{
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.DaemonSetSpec{
TemplateGeneration: 2,
Selector: &metav1.LabelSelector{MatchLabels: validSelector},
Template: validPodTemplateAbc.Template,
UpdateStrategy: apps.DaemonSetUpdateStrategy{
Type: apps.OnDeleteDaemonSetStrategyType,
},
},
},
update: apps.DaemonSet{
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.DaemonSetSpec{
TemplateGeneration: 2,
Selector: &metav1.LabelSelector{MatchLabels: validSelector2},
Template: validPodTemplateAbc2.Template,
UpdateStrategy: apps.DaemonSetUpdateStrategy{
Type: apps.OnDeleteDaemonSetStrategyType,
},
},
},
expectedErrNum: 1,
},
}
for testName, errorCase := range errorCases {
// ResourceVersion is required for updates.
errorCase.old.ObjectMeta.ResourceVersion = "1"
errorCase.update.ObjectMeta.ResourceVersion = "2"
// Check test setup
if errorCase.expectedErrNum <= 0 {
t.Errorf("%q has incorrect test setup with expectedErrNum %d, expected at least one error", testName, errorCase.expectedErrNum)
}
if len(errorCase.old.ObjectMeta.ResourceVersion) == 0 || len(errorCase.update.ObjectMeta.ResourceVersion) == 0 {
t.Errorf("%q has incorrect test setup with no resource version set", testName)
}
// Run the tests
if errs := ValidateDaemonSetUpdate(&errorCase.update, &errorCase.old, corevalidation.PodValidationOptions{}); len(errs) != errorCase.expectedErrNum {
t.Errorf("%q expected %d errors, but got %d error: %v", testName, errorCase.expectedErrNum, len(errs), errs)
} else {
t.Logf("(PASS) %q got errors %v", testName, errs)
}
}
}
func TestValidateDaemonSet(t *testing.T) {
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}},
},
},
}
invalidSelector := 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: invalidSelector,
},
},
}
successCases := []apps.DaemonSet{
{
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.DaemonSetSpec{
Selector: &metav1.LabelSelector{MatchLabels: validSelector},
Template: validPodTemplate.Template,
UpdateStrategy: apps.DaemonSetUpdateStrategy{
Type: apps.OnDeleteDaemonSetStrategyType,
},
},
},
{
ObjectMeta: metav1.ObjectMeta{Name: "abc-123", Namespace: metav1.NamespaceDefault},
Spec: apps.DaemonSetSpec{
Selector: &metav1.LabelSelector{MatchLabels: validSelector},
Template: validPodTemplate.Template,
UpdateStrategy: apps.DaemonSetUpdateStrategy{
Type: apps.OnDeleteDaemonSetStrategyType,
},
},
},
}
for _, successCase := range successCases {
if errs := ValidateDaemonSet(&successCase, corevalidation.PodValidationOptions{}); len(errs) != 0 {
t.Errorf("expected success: %v", errs)
}
}
errorCases := map[string]apps.DaemonSet{
"zero-length ID": {
ObjectMeta: metav1.ObjectMeta{Name: "", Namespace: metav1.NamespaceDefault},
Spec: apps.DaemonSetSpec{
Selector: &metav1.LabelSelector{MatchLabels: validSelector},
Template: validPodTemplate.Template,
},
},
"missing-namespace": {
ObjectMeta: metav1.ObjectMeta{Name: "abc-123"},
Spec: apps.DaemonSetSpec{
Selector: &metav1.LabelSelector{MatchLabels: validSelector},
Template: validPodTemplate.Template,
},
},
"nil selector": {
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.DaemonSetSpec{
Template: validPodTemplate.Template,
},
},
"empty selector": {
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.DaemonSetSpec{
Selector: &metav1.LabelSelector{},
Template: validPodTemplate.Template,
},
},
"selector_doesnt_match": {
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.DaemonSetSpec{
Selector: &metav1.LabelSelector{MatchLabels: map[string]string{"foo": "bar"}},
Template: validPodTemplate.Template,
},
},
"invalid template": {
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.DaemonSetSpec{
Selector: &metav1.LabelSelector{MatchLabels: validSelector},
},
},
"invalid_label": {
ObjectMeta: metav1.ObjectMeta{
Name: "abc-123",
Namespace: metav1.NamespaceDefault,
Labels: map[string]string{
"NoUppercaseOrSpecialCharsLike=Equals": "bar",
},
},
Spec: apps.DaemonSetSpec{
Selector: &metav1.LabelSelector{MatchLabels: validSelector},
Template: validPodTemplate.Template,
},
},
"invalid_label 2": {
ObjectMeta: metav1.ObjectMeta{
Name: "abc-123",
Namespace: metav1.NamespaceDefault,
Labels: map[string]string{
"NoUppercaseOrSpecialCharsLike=Equals": "bar",
},
},
Spec: apps.DaemonSetSpec{
Template: invalidPodTemplate.Template,
},
},
"invalid_annotation": {
ObjectMeta: metav1.ObjectMeta{
Name: "abc-123",
Namespace: metav1.NamespaceDefault,
Annotations: map[string]string{
"NoUppercaseOrSpecialCharsLike=Equals": "bar",
},
},
Spec: apps.DaemonSetSpec{
Selector: &metav1.LabelSelector{MatchLabels: validSelector},
Template: validPodTemplate.Template,
},
},
"invalid restart policy 1": {
ObjectMeta: metav1.ObjectMeta{
Name: "abc-123",
Namespace: metav1.NamespaceDefault,
},
Spec: apps.DaemonSetSpec{
Selector: &metav1.LabelSelector{MatchLabels: validSelector},
Template: api.PodTemplateSpec{
Spec: api.PodSpec{
RestartPolicy: api.RestartPolicyOnFailure,
DNSPolicy: api.DNSClusterFirst,
Containers: []api.Container{{Name: "ctr", Image: "image", ImagePullPolicy: "IfNotPresent", TerminationMessagePolicy: api.TerminationMessageReadFile}},
},
ObjectMeta: metav1.ObjectMeta{
Labels: validSelector,
},
},
},
},
"invalid restart policy 2": {
ObjectMeta: metav1.ObjectMeta{
Name: "abc-123",
Namespace: metav1.NamespaceDefault,
},
Spec: apps.DaemonSetSpec{
Selector: &metav1.LabelSelector{MatchLabels: validSelector},
Template: api.PodTemplateSpec{
Spec: api.PodSpec{
RestartPolicy: api.RestartPolicyNever,
DNSPolicy: api.DNSClusterFirst,
Containers: []api.Container{{Name: "ctr", Image: "image", ImagePullPolicy: "IfNotPresent", TerminationMessagePolicy: api.TerminationMessageReadFile}},
},
ObjectMeta: metav1.ObjectMeta{
Labels: validSelector,
},
},
},
},
"template may not contain ephemeral containers": {
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.DaemonSetSpec{
Selector: &metav1.LabelSelector{MatchLabels: validSelector},
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}},
EphemeralContainers: []api.EphemeralContainer{{EphemeralContainerCommon: api.EphemeralContainerCommon{Name: "debug", Image: "image", ImagePullPolicy: "IfNotPresent", TerminationMessagePolicy: "File"}}},
},
},
UpdateStrategy: apps.DaemonSetUpdateStrategy{
Type: apps.OnDeleteDaemonSetStrategyType,
},
},
},
}
for k, v := range errorCases {
errs := ValidateDaemonSet(&v, corevalidation.PodValidationOptions{})
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.") &&
!strings.HasPrefix(field, "spec.updateStrategy") &&
field != "metadata.name" &&
field != "metadata.namespace" &&
field != "spec.selector" &&
field != "spec.template" &&
field != "GCEPersistentDisk.ReadOnly" &&
field != "spec.template.labels" &&
field != "metadata.annotations" &&
field != "metadata.labels" {
t.Errorf("%s: missing prefix for: %v", k, errs[i])
}
}
}
}
func validDeployment() *apps.Deployment {
return &apps.Deployment{
ObjectMeta: metav1.ObjectMeta{
Name: "abc",
Namespace: metav1.NamespaceDefault,
},
Spec: apps.DeploymentSpec{
Selector: &metav1.LabelSelector{
MatchLabels: map[string]string{
"name": "abc",
},
},
Strategy: apps.DeploymentStrategy{
Type: apps.RollingUpdateDeploymentStrategyType,
RollingUpdate: &apps.RollingUpdateDeployment{
MaxSurge: intstr.FromInt(1),
MaxUnavailable: intstr.FromInt(1),
},
},
Template: api.PodTemplateSpec{
ObjectMeta: metav1.ObjectMeta{
Name: "abc",
Namespace: metav1.NamespaceDefault,
Labels: map[string]string{
"name": "abc",
},
},
Spec: api.PodSpec{
RestartPolicy: api.RestartPolicyAlways,
DNSPolicy: api.DNSDefault,
Containers: []api.Container{
{
Name: "nginx",
Image: "image",
ImagePullPolicy: api.PullNever,
TerminationMessagePolicy: api.TerminationMessageReadFile,
},
},
},
},
RollbackTo: &apps.RollbackConfig{
Revision: 1,
},
},
}
}
func TestValidateDeployment(t *testing.T) {
successCases := []*apps.Deployment{
validDeployment(),
}
for _, successCase := range successCases {
if errs := ValidateDeployment(successCase, corevalidation.PodValidationOptions{}); len(errs) != 0 {
t.Errorf("expected success: %v", errs)
}
}
errorCases := map[string]*apps.Deployment{}
errorCases["metadata.name: Required value"] = &apps.Deployment{
ObjectMeta: metav1.ObjectMeta{
Namespace: metav1.NamespaceDefault,
},
}
// selector should match the labels in pod template.
invalidSelectorDeployment := validDeployment()
invalidSelectorDeployment.Spec.Selector = &metav1.LabelSelector{
MatchLabels: map[string]string{
"name": "def",
},
}
errorCases["`selector` does not match template `labels`"] = invalidSelectorDeployment
// RestartPolicy should be always.
invalidRestartPolicyDeployment := validDeployment()
invalidRestartPolicyDeployment.Spec.Template.Spec.RestartPolicy = api.RestartPolicyNever
errorCases["Unsupported value: \"Never\""] = invalidRestartPolicyDeployment
// must have valid strategy type
invalidStrategyDeployment := validDeployment()
invalidStrategyDeployment.Spec.Strategy.Type = apps.DeploymentStrategyType("randomType")
errorCases[`supported values: "Recreate", "RollingUpdate"`] = invalidStrategyDeployment
// rollingUpdate should be nil for recreate.
invalidRecreateDeployment := validDeployment()
invalidRecreateDeployment.Spec.Strategy = apps.DeploymentStrategy{
Type: apps.RecreateDeploymentStrategyType,
RollingUpdate: &apps.RollingUpdateDeployment{},
}
errorCases["may not be specified when strategy `type` is 'Recreate'"] = invalidRecreateDeployment
// MaxSurge should be in the form of 20%.
invalidMaxSurgeDeployment := validDeployment()
invalidMaxSurgeDeployment.Spec.Strategy = apps.DeploymentStrategy{
Type: apps.RollingUpdateDeploymentStrategyType,
RollingUpdate: &apps.RollingUpdateDeployment{
MaxSurge: intstr.FromString("20Percent"),
},
}
errorCases["a valid percent string must be"] = invalidMaxSurgeDeployment
// MaxSurge and MaxUnavailable cannot both be zero.
invalidRollingUpdateDeployment := validDeployment()
invalidRollingUpdateDeployment.Spec.Strategy = apps.DeploymentStrategy{
Type: apps.RollingUpdateDeploymentStrategyType,
RollingUpdate: &apps.RollingUpdateDeployment{
MaxSurge: intstr.FromString("0%"),
MaxUnavailable: intstr.FromInt(0),
},
}
errorCases["may not be 0 when `maxSurge` is 0"] = invalidRollingUpdateDeployment
// MaxUnavailable should not be more than 100%.
invalidMaxUnavailableDeployment := validDeployment()
invalidMaxUnavailableDeployment.Spec.Strategy = apps.DeploymentStrategy{
Type: apps.RollingUpdateDeploymentStrategyType,
RollingUpdate: &apps.RollingUpdateDeployment{
MaxUnavailable: intstr.FromString("110%"),
},
}
errorCases["must not be greater than 100%"] = invalidMaxUnavailableDeployment
// Rollback.Revision must be non-negative
invalidRollbackRevisionDeployment := validDeployment()
invalidRollbackRevisionDeployment.Spec.RollbackTo.Revision = -3
errorCases["must be greater than or equal to 0"] = invalidRollbackRevisionDeployment
// ProgressDeadlineSeconds should be greater than MinReadySeconds
invalidProgressDeadlineDeployment := validDeployment()
seconds := int32(600)
invalidProgressDeadlineDeployment.Spec.ProgressDeadlineSeconds = &seconds
invalidProgressDeadlineDeployment.Spec.MinReadySeconds = seconds
errorCases["must be greater than minReadySeconds"] = invalidProgressDeadlineDeployment
// Must not have ephemeral containers
invalidEphemeralContainersDeployment := validDeployment()
invalidEphemeralContainersDeployment.Spec.Template.Spec.EphemeralContainers = []api.EphemeralContainer{{
EphemeralContainerCommon: api.EphemeralContainerCommon{
Name: "ec",
Image: "image",
ImagePullPolicy: "IfNotPresent",
TerminationMessagePolicy: "File"},
}}
errorCases["ephemeral containers not allowed"] = invalidEphemeralContainersDeployment
for k, v := range errorCases {
errs := ValidateDeployment(v, corevalidation.PodValidationOptions{})
if len(errs) == 0 {
t.Errorf("[%s] expected failure", k)
} else if !strings.Contains(errs[0].Error(), k) {
t.Errorf("unexpected error: %q, expected: %q", errs[0].Error(), k)
}
}
}
func TestValidateDeploymentStatus(t *testing.T) {
collisionCount := int32(-3)
tests := []struct {
name string
replicas int32
updatedReplicas int32
readyReplicas int32
availableReplicas int32
observedGeneration int64
collisionCount *int32
expectedErr bool
}{
{
name: "valid status",
replicas: 3,
updatedReplicas: 3,
readyReplicas: 2,
availableReplicas: 1,
observedGeneration: 2,
expectedErr: false,
},
{
name: "invalid replicas",
replicas: -1,
updatedReplicas: 2,
readyReplicas: 2,
availableReplicas: 1,
observedGeneration: 2,
expectedErr: true,
},
{
name: "invalid updatedReplicas",
replicas: 2,
updatedReplicas: -1,
readyReplicas: 2,
availableReplicas: 1,
observedGeneration: 2,
expectedErr: true,
},
{
name: "invalid readyReplicas",
replicas: 3,
readyReplicas: -1,
availableReplicas: 1,
observedGeneration: 2,
expectedErr: true,
},
{
name: "invalid availableReplicas",
replicas: 3,
readyReplicas: 3,
availableReplicas: -1,
observedGeneration: 2,
expectedErr: true,
},
{
name: "invalid observedGeneration",
replicas: 3,
readyReplicas: 3,
availableReplicas: 3,
observedGeneration: -1,
expectedErr: true,
},
{
name: "updatedReplicas greater than replicas",
replicas: 3,
updatedReplicas: 4,
readyReplicas: 3,
availableReplicas: 3,
observedGeneration: 1,
expectedErr: true,
},
{
name: "readyReplicas greater than replicas",
replicas: 3,
readyReplicas: 4,
availableReplicas: 3,
observedGeneration: 1,
expectedErr: true,
},
{
name: "availableReplicas greater than replicas",
replicas: 3,
readyReplicas: 3,
availableReplicas: 4,
observedGeneration: 1,
expectedErr: true,
},
{
name: "availableReplicas greater than readyReplicas",
replicas: 3,
readyReplicas: 2,
availableReplicas: 3,
observedGeneration: 1,
expectedErr: true,
},
{
name: "invalid collisionCount",
replicas: 3,
observedGeneration: 1,
collisionCount: &collisionCount,
expectedErr: true,
},
}
for _, test := range tests {
status := apps.DeploymentStatus{
Replicas: test.replicas,
UpdatedReplicas: test.updatedReplicas,
ReadyReplicas: test.readyReplicas,
AvailableReplicas: test.availableReplicas,
ObservedGeneration: test.observedGeneration,
CollisionCount: test.collisionCount,
}
errs := ValidateDeploymentStatus(&status, field.NewPath("status"))
if hasErr := len(errs) > 0; hasErr != test.expectedErr {
errString := spew.Sprintf("%#v", errs)
t.Errorf("%s: expected error: %t, got error: %t\nerrors: %s", test.name, test.expectedErr, hasErr, errString)
}
}
}
func TestValidateDeploymentStatusUpdate(t *testing.T) {
collisionCount := int32(1)
otherCollisionCount := int32(2)
tests := []struct {
name string
from, to apps.DeploymentStatus
expectedErr bool
}{
{
name: "increase: valid update",
from: apps.DeploymentStatus{
CollisionCount: nil,
},
to: apps.DeploymentStatus{
CollisionCount: &collisionCount,
},
expectedErr: false,
},
{
name: "stable: valid update",
from: apps.DeploymentStatus{
CollisionCount: &collisionCount,
},
to: apps.DeploymentStatus{
CollisionCount: &collisionCount,
},
expectedErr: false,
},
{
name: "unset: invalid update",
from: apps.DeploymentStatus{
CollisionCount: &collisionCount,
},
to: apps.DeploymentStatus{
CollisionCount: nil,
},
expectedErr: true,
},
{
name: "decrease: invalid update",
from: apps.DeploymentStatus{
CollisionCount: &otherCollisionCount,
},
to: apps.DeploymentStatus{
CollisionCount: &collisionCount,
},
expectedErr: true,
},
}
for _, test := range tests {
meta := metav1.ObjectMeta{Name: "foo", Namespace: metav1.NamespaceDefault, ResourceVersion: "1"}
from := &apps.Deployment{
ObjectMeta: meta,
Status: test.from,
}
to := &apps.Deployment{
ObjectMeta: meta,
Status: test.to,
}
errs := ValidateDeploymentStatusUpdate(to, from)
if hasErr := len(errs) > 0; hasErr != test.expectedErr {
errString := spew.Sprintf("%#v", errs)
t.Errorf("%s: expected error: %t, got error: %t\nerrors: %s", test.name, test.expectedErr, hasErr, errString)
}
}
}
func validDeploymentRollback() *apps.DeploymentRollback {
return &apps.DeploymentRollback{
Name: "abc",
UpdatedAnnotations: map[string]string{
"created-by": "abc",
},
RollbackTo: apps.RollbackConfig{
Revision: 1,
},
}
}
func TestValidateDeploymentRollback(t *testing.T) {
noAnnotation := validDeploymentRollback()
noAnnotation.UpdatedAnnotations = nil
successCases := []*apps.DeploymentRollback{
validDeploymentRollback(),
noAnnotation,
}
for _, successCase := range successCases {
if errs := ValidateDeploymentRollback(successCase); len(errs) != 0 {
t.Errorf("expected success: %v", errs)
}
}
errorCases := map[string]*apps.DeploymentRollback{}
invalidNoName := validDeploymentRollback()
invalidNoName.Name = ""
errorCases["name: Required value"] = invalidNoName
for k, v := range errorCases {
errs := ValidateDeploymentRollback(v)
if len(errs) == 0 {
t.Errorf("[%s] expected failure", k)
} else if !strings.Contains(errs[0].Error(), k) {
t.Errorf("unexpected error: %q, expected: %q", errs[0].Error(), k)
}
}
}
func TestValidateReplicaSetStatus(t *testing.T) {
tests := []struct {
name string
replicas int32
fullyLabeledReplicas int32
readyReplicas int32
availableReplicas int32
observedGeneration int64
expectedErr bool
}{
{
name: "valid status",
replicas: 3,
fullyLabeledReplicas: 3,
readyReplicas: 2,
availableReplicas: 1,
observedGeneration: 2,
expectedErr: false,
},
{
name: "invalid replicas",
replicas: -1,
fullyLabeledReplicas: 3,
readyReplicas: 2,
availableReplicas: 1,
observedGeneration: 2,
expectedErr: true,
},
{
name: "invalid fullyLabeledReplicas",
replicas: 3,
fullyLabeledReplicas: -1,
readyReplicas: 2,
availableReplicas: 1,
observedGeneration: 2,
expectedErr: true,
},
{
name: "invalid readyReplicas",
replicas: 3,
fullyLabeledReplicas: 3,
readyReplicas: -1,
availableReplicas: 1,
observedGeneration: 2,
expectedErr: true,
},
{
name: "invalid availableReplicas",
replicas: 3,
fullyLabeledReplicas: 3,
readyReplicas: 3,
availableReplicas: -1,
observedGeneration: 2,
expectedErr: true,
},
{
name: "invalid observedGeneration",
replicas: 3,
fullyLabeledReplicas: 3,
readyReplicas: 3,
availableReplicas: 3,
observedGeneration: -1,
expectedErr: true,
},
{
name: "fullyLabeledReplicas greater than replicas",
replicas: 3,
fullyLabeledReplicas: 4,
readyReplicas: 3,
availableReplicas: 3,
observedGeneration: 1,
expectedErr: true,
},
{
name: "readyReplicas greater than replicas",
replicas: 3,
fullyLabeledReplicas: 3,
readyReplicas: 4,
availableReplicas: 3,
observedGeneration: 1,
expectedErr: true,
},
{
name: "availableReplicas greater than replicas",
replicas: 3,
fullyLabeledReplicas: 3,
readyReplicas: 3,
availableReplicas: 4,
observedGeneration: 1,
expectedErr: true,
},
{
name: "availableReplicas greater than readyReplicas",
replicas: 3,
fullyLabeledReplicas: 3,
readyReplicas: 2,
availableReplicas: 3,
observedGeneration: 1,
expectedErr: true,
},
}
for _, test := range tests {
status := apps.ReplicaSetStatus{
Replicas: test.replicas,
FullyLabeledReplicas: test.fullyLabeledReplicas,
ReadyReplicas: test.readyReplicas,
AvailableReplicas: test.availableReplicas,
ObservedGeneration: test.observedGeneration,
}
if hasErr := len(ValidateReplicaSetStatus(status, field.NewPath("status"))) > 0; hasErr != test.expectedErr {
t.Errorf("%s: expected error: %t, got error: %t", test.name, test.expectedErr, hasErr)
}
}
}
func TestValidateReplicaSetStatusUpdate(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", TerminationMessagePolicy: api.TerminationMessageReadFile}},
},
},
}
type rcUpdateTest struct {
old apps.ReplicaSet
update apps.ReplicaSet
}
successCases := []rcUpdateTest{
{
old: apps.ReplicaSet{
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.ReplicaSetSpec{
Selector: &metav1.LabelSelector{MatchLabels: validLabels},
Template: validPodTemplate.Template,
},
Status: apps.ReplicaSetStatus{
Replicas: 2,
},
},
update: apps.ReplicaSet{
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.ReplicaSetSpec{
Replicas: 3,
Selector: &metav1.LabelSelector{MatchLabels: validLabels},
Template: validPodTemplate.Template,
},
Status: apps.ReplicaSetStatus{
Replicas: 4,
},
},
},
}
for _, successCase := range successCases {
successCase.old.ObjectMeta.ResourceVersion = "1"
successCase.update.ObjectMeta.ResourceVersion = "1"
if errs := ValidateReplicaSetStatusUpdate(&successCase.update, &successCase.old); len(errs) != 0 {
t.Errorf("expected success: %v", errs)
}
}
errorCases := map[string]rcUpdateTest{
"negative replicas": {
old: apps.ReplicaSet{
ObjectMeta: metav1.ObjectMeta{Name: "", Namespace: metav1.NamespaceDefault},
Spec: apps.ReplicaSetSpec{
Selector: &metav1.LabelSelector{MatchLabels: validLabels},
Template: validPodTemplate.Template,
},
Status: apps.ReplicaSetStatus{
Replicas: 3,
},
},
update: apps.ReplicaSet{
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.ReplicaSetSpec{
Replicas: 2,
Selector: &metav1.LabelSelector{MatchLabels: validLabels},
Template: validPodTemplate.Template,
},
Status: apps.ReplicaSetStatus{
Replicas: -3,
},
},
},
}
for testName, errorCase := range errorCases {
if errs := ValidateReplicaSetStatusUpdate(&errorCase.update, &errorCase.old); len(errs) == 0 {
t.Errorf("expected failure: %s", testName)
}
}
}
func TestValidateReplicaSetUpdate(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", TerminationMessagePolicy: api.TerminationMessageReadFile}},
},
},
}
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", TerminationMessagePolicy: api.TerminationMessageReadFile}},
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 rcUpdateTest struct {
old apps.ReplicaSet
update apps.ReplicaSet
}
successCases := []rcUpdateTest{
{
old: apps.ReplicaSet{
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.ReplicaSetSpec{
Selector: &metav1.LabelSelector{MatchLabels: validLabels},
Template: validPodTemplate.Template,
},
},
update: apps.ReplicaSet{
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.ReplicaSetSpec{
Replicas: 3,
Selector: &metav1.LabelSelector{MatchLabels: validLabels},
Template: validPodTemplate.Template,
},
},
},
{
old: apps.ReplicaSet{
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.ReplicaSetSpec{
Selector: &metav1.LabelSelector{MatchLabels: validLabels},
Template: validPodTemplate.Template,
},
},
update: apps.ReplicaSet{
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.ReplicaSetSpec{
Replicas: 1,
Selector: &metav1.LabelSelector{MatchLabels: validLabels},
Template: readWriteVolumePodTemplate.Template,
},
},
},
}
for _, successCase := range successCases {
successCase.old.ObjectMeta.ResourceVersion = "1"
successCase.update.ObjectMeta.ResourceVersion = "1"
if errs := ValidateReplicaSetUpdate(&successCase.update, &successCase.old, corevalidation.PodValidationOptions{}); len(errs) != 0 {
t.Errorf("expected success: %v", errs)
}
}
errorCases := map[string]rcUpdateTest{
"more than one read/write": {
old: apps.ReplicaSet{
ObjectMeta: metav1.ObjectMeta{Name: "", Namespace: metav1.NamespaceDefault},
Spec: apps.ReplicaSetSpec{
Selector: &metav1.LabelSelector{MatchLabels: validLabels},
Template: validPodTemplate.Template,
},
},
update: apps.ReplicaSet{
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.ReplicaSetSpec{
Replicas: 2,
Selector: &metav1.LabelSelector{MatchLabels: validLabels},
Template: readWriteVolumePodTemplate.Template,
},
},
},
"invalid selector": {
old: apps.ReplicaSet{
ObjectMeta: metav1.ObjectMeta{Name: "", Namespace: metav1.NamespaceDefault},
Spec: apps.ReplicaSetSpec{
Selector: &metav1.LabelSelector{MatchLabels: validLabels},
Template: validPodTemplate.Template,
},
},
update: apps.ReplicaSet{
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.ReplicaSetSpec{
Replicas: 2,
Selector: &metav1.LabelSelector{MatchLabels: invalidLabels},
Template: validPodTemplate.Template,
},
},
},
"invalid pod": {
old: apps.ReplicaSet{
ObjectMeta: metav1.ObjectMeta{Name: "", Namespace: metav1.NamespaceDefault},
Spec: apps.ReplicaSetSpec{
Selector: &metav1.LabelSelector{MatchLabels: validLabels},
Template: validPodTemplate.Template,
},
},
update: apps.ReplicaSet{
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.ReplicaSetSpec{
Replicas: 2,
Selector: &metav1.LabelSelector{MatchLabels: validLabels},
Template: invalidPodTemplate.Template,
},
},
},
"negative replicas": {
old: apps.ReplicaSet{
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.ReplicaSetSpec{
Selector: &metav1.LabelSelector{MatchLabels: validLabels},
Template: validPodTemplate.Template,
},
},
update: apps.ReplicaSet{
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.ReplicaSetSpec{
Replicas: -1,
Selector: &metav1.LabelSelector{MatchLabels: validLabels},
Template: validPodTemplate.Template,
},
},
},
}
for testName, errorCase := range errorCases {
if errs := ValidateReplicaSetUpdate(&errorCase.update, &errorCase.old, corevalidation.PodValidationOptions{}); len(errs) == 0 {
t.Errorf("expected failure: %s", testName)
}
}
}
func TestValidateReplicaSet(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", TerminationMessagePolicy: api.TerminationMessageReadFile}},
},
},
}
readWriteVolumePodTemplate := api.PodTemplate{
Template: api.PodTemplateSpec{
ObjectMeta: metav1.ObjectMeta{
Labels: validLabels,
},
Spec: api.PodSpec{
Volumes: []api.Volume{{Name: "gcepd", VolumeSource: api.VolumeSource{GCEPersistentDisk: &api.GCEPersistentDiskVolumeSource{PDName: "my-PD", FSType: "ext4", Partition: 1, ReadOnly: false}}}},
RestartPolicy: api.RestartPolicyAlways,
DNSPolicy: api.DNSClusterFirst,
Containers: []api.Container{{Name: "abc", Image: "image", ImagePullPolicy: "IfNotPresent", TerminationMessagePolicy: api.TerminationMessageReadFile}},
},
},
}
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.ReplicaSet{
{
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.ReplicaSetSpec{
Selector: &metav1.LabelSelector{MatchLabels: validLabels},
Template: validPodTemplate.Template,
},
},
{
ObjectMeta: metav1.ObjectMeta{Name: "abc-123", Namespace: metav1.NamespaceDefault},
Spec: apps.ReplicaSetSpec{
Selector: &metav1.LabelSelector{MatchLabels: validLabels},
Template: validPodTemplate.Template,
},
},
{
ObjectMeta: metav1.ObjectMeta{Name: "abc-123", Namespace: metav1.NamespaceDefault},
Spec: apps.ReplicaSetSpec{
Replicas: 1,
Selector: &metav1.LabelSelector{MatchLabels: validLabels},
Template: readWriteVolumePodTemplate.Template,
},
},
}
for _, successCase := range successCases {
if errs := ValidateReplicaSet(&successCase, corevalidation.PodValidationOptions{}); len(errs) != 0 {
t.Errorf("expected success: %v", errs)
}
}
errorCases := map[string]apps.ReplicaSet{
"zero-length ID": {
ObjectMeta: metav1.ObjectMeta{Name: "", Namespace: metav1.NamespaceDefault},
Spec: apps.ReplicaSetSpec{
Selector: &metav1.LabelSelector{MatchLabels: validLabels},
Template: validPodTemplate.Template,
},
},
"missing-namespace": {
ObjectMeta: metav1.ObjectMeta{Name: "abc-123"},
Spec: apps.ReplicaSetSpec{
Selector: &metav1.LabelSelector{MatchLabels: validLabels},
Template: validPodTemplate.Template,
},
},
"empty selector": {
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.ReplicaSetSpec{
Template: validPodTemplate.Template,
},
},
"selector_doesnt_match": {
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.ReplicaSetSpec{
Selector: &metav1.LabelSelector{MatchLabels: map[string]string{"foo": "bar"}},
Template: validPodTemplate.Template,
},
},
"invalid manifest": {
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.ReplicaSetSpec{
Selector: &metav1.LabelSelector{MatchLabels: validLabels},
},
},
"read-write persistent disk with > 1 pod": {
ObjectMeta: metav1.ObjectMeta{Name: "abc"},
Spec: apps.ReplicaSetSpec{
Replicas: 2,
Selector: &metav1.LabelSelector{MatchLabels: validLabels},
Template: readWriteVolumePodTemplate.Template,
},
},
"negative_replicas": {
ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
Spec: apps.ReplicaSetSpec{
Replicas: -1,
Selector: &metav1.LabelSelector{MatchLabels: validLabels},
},
},
"invalid_label": {
ObjectMeta: metav1.ObjectMeta{
Name: "abc-123",
Namespace: metav1.NamespaceDefault,
Labels: map[string]string{
"NoUppercaseOrSpecialCharsLike=Equals": "bar",
},
},
Spec: apps.ReplicaSetSpec{
Selector: &metav1.LabelSelector{MatchLabels: validLabels},
Template: validPodTemplate.Template,
},
},
"invalid_label 2": {
ObjectMeta: metav1.ObjectMeta{
Name: "abc-123",
Namespace: metav1.NamespaceDefault,
Labels: map[string]string{
"NoUppercaseOrSpecialCharsLike=Equals": "bar",
},
},
Spec: apps.ReplicaSetSpec{
Template: invalidPodTemplate.Template,
},
},
"invalid_annotation": {
ObjectMeta: metav1.ObjectMeta{
Name: "abc-123",
Namespace: metav1.NamespaceDefault,
Annotations: map[string]string{
"NoUppercaseOrSpecialCharsLike=Equals": "bar",
},
},
Spec: apps.ReplicaSetSpec{
Selector: &metav1.LabelSelector{MatchLabels: validLabels},
Template: validPodTemplate.Template,
},
},
"invalid restart policy 1": {
ObjectMeta: metav1.ObjectMeta{
Name: "abc-123",
Namespace: metav1.NamespaceDefault,
},
Spec: apps.ReplicaSetSpec{
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", TerminationMessagePolicy: api.TerminationMessageReadFile}},
},
ObjectMeta: metav1.ObjectMeta{
Labels: validLabels,
},
},
},
},
"invalid restart policy 2": {
ObjectMeta: metav1.ObjectMeta{
Name: "abc-123",
Namespace: metav1.NamespaceDefault,
},
Spec: apps.ReplicaSetSpec{
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", TerminationMessagePolicy: api.TerminationMessageReadFile}},
},
ObjectMeta: metav1.ObjectMeta{
Labels: validLabels,
},
},
},
},
}
for k, v := range errorCases {
errs := ValidateReplicaSet(&v, corevalidation.PodValidationOptions{})
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" {
t.Errorf("%s: missing prefix for: %v", k, errs[i])
}
}
}
}
func TestDaemonSetUpdateMaxSurge(t *testing.T) {
testCases := map[string]struct {
ds *apps.RollingUpdateDaemonSet
expectError bool
}{
"invalid: unset": {
ds: &apps.RollingUpdateDaemonSet{},
expectError: true,
},
"invalid: zero percent": {
ds: &apps.RollingUpdateDaemonSet{
MaxUnavailable: intstr.FromString("0%"),
},
expectError: true,
},
"invalid: zero": {
ds: &apps.RollingUpdateDaemonSet{
MaxUnavailable: intstr.FromInt(0),
},
expectError: true,
},
"valid: one": {
ds: &apps.RollingUpdateDaemonSet{
MaxUnavailable: intstr.FromInt(1),
},
},
"valid: one percent": {
ds: &apps.RollingUpdateDaemonSet{
MaxUnavailable: intstr.FromString("1%"),
},
},
"valid: 100%": {
ds: &apps.RollingUpdateDaemonSet{
MaxUnavailable: intstr.FromString("100%"),
},
},
"invalid: greater than 100%": {
ds: &apps.RollingUpdateDaemonSet{
MaxUnavailable: intstr.FromString("101%"),
},
expectError: true,
},
"valid: surge and unavailable set": {
ds: &apps.RollingUpdateDaemonSet{
MaxUnavailable: intstr.FromString("1%"),
MaxSurge: intstr.FromString("1%"),
},
expectError: true,
},
"invalid: surge enabled, unavailable zero percent": {
ds: &apps.RollingUpdateDaemonSet{
MaxUnavailable: intstr.FromString("0%"),
},
expectError: true,
},
"invalid: surge enabled, unavailable zero": {
ds: &apps.RollingUpdateDaemonSet{
MaxUnavailable: intstr.FromInt(0),
},
expectError: true,
},
"valid: surge enabled, unavailable one": {
ds: &apps.RollingUpdateDaemonSet{
MaxUnavailable: intstr.FromInt(1),
},
},
"valid: surge enabled, unavailable one percent": {
ds: &apps.RollingUpdateDaemonSet{
MaxUnavailable: intstr.FromString("1%"),
},
},
"valid: surge enabled, unavailable 100%": {
ds: &apps.RollingUpdateDaemonSet{
MaxUnavailable: intstr.FromString("100%"),
},
},
"invalid: surge enabled, unavailable greater than 100%": {
ds: &apps.RollingUpdateDaemonSet{
MaxUnavailable: intstr.FromString("101%"),
},
expectError: true,
},
"invalid: surge enabled, surge zero percent": {
ds: &apps.RollingUpdateDaemonSet{
MaxSurge: intstr.FromString("0%"),
},
expectError: true,
},
"invalid: surge enabled, surge zero": {
ds: &apps.RollingUpdateDaemonSet{
MaxSurge: intstr.FromInt(0),
},
expectError: true,
},
"valid: surge enabled, surge one": {
ds: &apps.RollingUpdateDaemonSet{
MaxSurge: intstr.FromInt(1),
},
},
"valid: surge enabled, surge one percent": {
ds: &apps.RollingUpdateDaemonSet{
MaxSurge: intstr.FromString("1%"),
},
},
"valid: surge enabled, surge 100%": {
ds: &apps.RollingUpdateDaemonSet{
MaxSurge: intstr.FromString("100%"),
},
},
"invalid: surge enabled, surge greater than 100%": {
ds: &apps.RollingUpdateDaemonSet{
MaxSurge: intstr.FromString("101%"),
},
expectError: true,
},
"invalid: surge enabled, surge and unavailable set": {
ds: &apps.RollingUpdateDaemonSet{
MaxUnavailable: intstr.FromString("1%"),
MaxSurge: intstr.FromString("1%"),
},
expectError: true,
},
"invalid: surge enabled, surge and unavailable zero percent": {
ds: &apps.RollingUpdateDaemonSet{
MaxUnavailable: intstr.FromString("0%"),
MaxSurge: intstr.FromString("0%"),
},
expectError: true,
},
"invalid: surge enabled, surge and unavailable zero": {
ds: &apps.RollingUpdateDaemonSet{
MaxUnavailable: intstr.FromInt(0),
MaxSurge: intstr.FromInt(0),
},
expectError: true,
},
"invalid: surge enabled, surge and unavailable mixed zero": {
ds: &apps.RollingUpdateDaemonSet{
MaxUnavailable: intstr.FromInt(0),
MaxSurge: intstr.FromString("0%"),
},
expectError: true,
},
}
for tcName, tc := range testCases {
t.Run(tcName, func(t *testing.T) {
errs := ValidateRollingUpdateDaemonSet(tc.ds, field.NewPath("spec", "updateStrategy", "rollingUpdate"))
if tc.expectError && len(errs) == 0 {
t.Errorf("Unexpected success")
}
if !tc.expectError && len(errs) != 0 {
t.Errorf("Unexpected error(s): %v", errs)
}
})
}
}
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