538 lines
18 KiB
Go
538 lines
18 KiB
Go
/*
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Copyright 2017 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package v1beta1_test
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import (
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"reflect"
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"testing"
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appsv1beta1 "k8s.io/api/apps/v1beta1"
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v1 "k8s.io/api/core/v1"
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apiequality "k8s.io/apimachinery/pkg/api/equality"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/apimachinery/pkg/util/intstr"
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utilfeature "k8s.io/apiserver/pkg/util/feature"
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featuregatetesting "k8s.io/component-base/featuregate/testing"
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"k8s.io/kubernetes/pkg/api/legacyscheme"
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_ "k8s.io/kubernetes/pkg/apis/apps/install"
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. "k8s.io/kubernetes/pkg/apis/apps/v1beta1"
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_ "k8s.io/kubernetes/pkg/apis/core/install"
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"k8s.io/kubernetes/pkg/features"
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utilpointer "k8s.io/utils/pointer"
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)
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func TestSetDefaultDeployment(t *testing.T) {
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defaultIntOrString := intstr.FromString("25%")
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differentIntOrString := intstr.FromInt(5)
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period := int64(v1.DefaultTerminationGracePeriodSeconds)
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defaultTemplate := v1.PodTemplateSpec{
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Spec: v1.PodSpec{
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DNSPolicy: v1.DNSClusterFirst,
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RestartPolicy: v1.RestartPolicyAlways,
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SecurityContext: &v1.PodSecurityContext{},
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TerminationGracePeriodSeconds: &period,
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SchedulerName: v1.DefaultSchedulerName,
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},
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}
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tests := []struct {
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original *appsv1beta1.Deployment
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expected *appsv1beta1.Deployment
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}{
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{
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original: &appsv1beta1.Deployment{},
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expected: &appsv1beta1.Deployment{
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Spec: appsv1beta1.DeploymentSpec{
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Replicas: utilpointer.Int32(1),
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Strategy: appsv1beta1.DeploymentStrategy{
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Type: appsv1beta1.RollingUpdateDeploymentStrategyType,
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RollingUpdate: &appsv1beta1.RollingUpdateDeployment{
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MaxSurge: &defaultIntOrString,
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MaxUnavailable: &defaultIntOrString,
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},
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},
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RevisionHistoryLimit: utilpointer.Int32(2),
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ProgressDeadlineSeconds: utilpointer.Int32(600),
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Template: defaultTemplate,
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},
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},
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},
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{
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original: &appsv1beta1.Deployment{
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Spec: appsv1beta1.DeploymentSpec{
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Replicas: utilpointer.Int32(5),
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Strategy: appsv1beta1.DeploymentStrategy{
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RollingUpdate: &appsv1beta1.RollingUpdateDeployment{
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MaxSurge: &differentIntOrString,
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},
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},
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},
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},
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expected: &appsv1beta1.Deployment{
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Spec: appsv1beta1.DeploymentSpec{
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Replicas: utilpointer.Int32(5),
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Strategy: appsv1beta1.DeploymentStrategy{
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Type: appsv1beta1.RollingUpdateDeploymentStrategyType,
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RollingUpdate: &appsv1beta1.RollingUpdateDeployment{
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MaxSurge: &differentIntOrString,
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MaxUnavailable: &defaultIntOrString,
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},
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},
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RevisionHistoryLimit: utilpointer.Int32(2),
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ProgressDeadlineSeconds: utilpointer.Int32(600),
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Template: defaultTemplate,
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},
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},
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},
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{
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original: &appsv1beta1.Deployment{
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Spec: appsv1beta1.DeploymentSpec{
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Replicas: utilpointer.Int32(3),
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Strategy: appsv1beta1.DeploymentStrategy{
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Type: appsv1beta1.RollingUpdateDeploymentStrategyType,
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RollingUpdate: nil,
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},
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},
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},
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expected: &appsv1beta1.Deployment{
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Spec: appsv1beta1.DeploymentSpec{
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Replicas: utilpointer.Int32(3),
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Strategy: appsv1beta1.DeploymentStrategy{
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Type: appsv1beta1.RollingUpdateDeploymentStrategyType,
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RollingUpdate: &appsv1beta1.RollingUpdateDeployment{
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MaxSurge: &defaultIntOrString,
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MaxUnavailable: &defaultIntOrString,
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},
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},
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RevisionHistoryLimit: utilpointer.Int32(2),
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ProgressDeadlineSeconds: utilpointer.Int32(600),
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Template: defaultTemplate,
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},
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},
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},
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{
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original: &appsv1beta1.Deployment{
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Spec: appsv1beta1.DeploymentSpec{
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Replicas: utilpointer.Int32(5),
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Strategy: appsv1beta1.DeploymentStrategy{
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Type: appsv1beta1.RecreateDeploymentStrategyType,
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},
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RevisionHistoryLimit: utilpointer.Int32(0),
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},
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},
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expected: &appsv1beta1.Deployment{
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Spec: appsv1beta1.DeploymentSpec{
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Replicas: utilpointer.Int32(5),
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Strategy: appsv1beta1.DeploymentStrategy{
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Type: appsv1beta1.RecreateDeploymentStrategyType,
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},
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RevisionHistoryLimit: utilpointer.Int32(0),
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ProgressDeadlineSeconds: utilpointer.Int32(600),
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Template: defaultTemplate,
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},
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},
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},
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{
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original: &appsv1beta1.Deployment{
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Spec: appsv1beta1.DeploymentSpec{
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Replicas: utilpointer.Int32(5),
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Strategy: appsv1beta1.DeploymentStrategy{
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Type: appsv1beta1.RecreateDeploymentStrategyType,
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},
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ProgressDeadlineSeconds: utilpointer.Int32(30),
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RevisionHistoryLimit: utilpointer.Int32(2),
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},
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},
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expected: &appsv1beta1.Deployment{
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Spec: appsv1beta1.DeploymentSpec{
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Replicas: utilpointer.Int32(5),
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Strategy: appsv1beta1.DeploymentStrategy{
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Type: appsv1beta1.RecreateDeploymentStrategyType,
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},
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ProgressDeadlineSeconds: utilpointer.Int32(30),
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RevisionHistoryLimit: utilpointer.Int32(2),
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Template: defaultTemplate,
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},
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},
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},
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}
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for _, test := range tests {
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original := test.original
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expected := test.expected
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obj2 := roundTrip(t, runtime.Object(original))
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got, ok := obj2.(*appsv1beta1.Deployment)
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if !ok {
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t.Errorf("unexpected object: %v", got)
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t.FailNow()
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}
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if !apiequality.Semantic.DeepEqual(got.Spec, expected.Spec) {
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t.Errorf("object mismatch!\nexpected:\n\t%+v\ngot:\n\t%+v", got.Spec, expected.Spec)
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}
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}
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}
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func TestDefaultDeploymentAvailability(t *testing.T) {
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d := roundTrip(t, runtime.Object(&appsv1beta1.Deployment{})).(*appsv1beta1.Deployment)
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maxUnavailable, err := intstr.GetScaledValueFromIntOrPercent(d.Spec.Strategy.RollingUpdate.MaxUnavailable, int(*(d.Spec.Replicas)), false)
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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if *(d.Spec.Replicas)-int32(maxUnavailable) <= 0 {
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t.Fatalf("the default value of maxUnavailable can lead to no active replicas during rolling update")
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}
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}
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func TestSetDefaultStatefulSet(t *testing.T) {
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defaultLabels := map[string]string{"foo": "bar"}
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var defaultPartition int32 = 0
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var notTheDefaultPartition int32 = 42
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var defaultReplicas int32 = 1
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period := int64(v1.DefaultTerminationGracePeriodSeconds)
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defaultTemplate := v1.PodTemplateSpec{
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Spec: v1.PodSpec{
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DNSPolicy: v1.DNSClusterFirst,
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RestartPolicy: v1.RestartPolicyAlways,
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SecurityContext: &v1.PodSecurityContext{},
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TerminationGracePeriodSeconds: &period,
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SchedulerName: v1.DefaultSchedulerName,
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},
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ObjectMeta: metav1.ObjectMeta{
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Labels: defaultLabels,
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},
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}
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tests := []struct {
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name string
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original *appsv1beta1.StatefulSet
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expected *appsv1beta1.StatefulSet
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enableMaxUnavailablePolicy bool
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enableStatefulSetAutoDelete bool
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}{
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{
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name: "labels and default update strategy",
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original: &appsv1beta1.StatefulSet{
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Spec: appsv1beta1.StatefulSetSpec{
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Template: defaultTemplate,
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},
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},
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expected: &appsv1beta1.StatefulSet{
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Spec: appsv1beta1.StatefulSetSpec{
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Replicas: &defaultReplicas,
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MinReadySeconds: int32(0),
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Template: defaultTemplate,
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PodManagementPolicy: appsv1beta1.OrderedReadyPodManagement,
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UpdateStrategy: appsv1beta1.StatefulSetUpdateStrategy{
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Type: appsv1beta1.OnDeleteStatefulSetStrategyType,
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RollingUpdate: nil,
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},
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RevisionHistoryLimit: utilpointer.Int32(10),
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Selector: &metav1.LabelSelector{
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MatchLabels: map[string]string{"foo": "bar"},
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MatchExpressions: []metav1.LabelSelectorRequirement{},
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},
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},
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},
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},
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{
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name: "Alternate update strategy",
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original: &appsv1beta1.StatefulSet{
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Spec: appsv1beta1.StatefulSetSpec{
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Template: defaultTemplate,
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UpdateStrategy: appsv1beta1.StatefulSetUpdateStrategy{
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Type: appsv1beta1.RollingUpdateStatefulSetStrategyType,
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},
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},
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},
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expected: &appsv1beta1.StatefulSet{
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Spec: appsv1beta1.StatefulSetSpec{
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Replicas: &defaultReplicas,
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MinReadySeconds: int32(0),
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Template: defaultTemplate,
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PodManagementPolicy: appsv1beta1.OrderedReadyPodManagement,
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UpdateStrategy: appsv1beta1.StatefulSetUpdateStrategy{
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Type: appsv1beta1.RollingUpdateStatefulSetStrategyType,
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RollingUpdate: nil,
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},
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RevisionHistoryLimit: utilpointer.Int32(10),
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Selector: &metav1.LabelSelector{
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MatchLabels: map[string]string{"foo": "bar"},
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MatchExpressions: []metav1.LabelSelectorRequirement{},
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},
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},
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},
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},
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{
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name: "Parallel pod management policy.",
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original: &appsv1beta1.StatefulSet{
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Spec: appsv1beta1.StatefulSetSpec{
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Template: defaultTemplate,
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PodManagementPolicy: appsv1beta1.ParallelPodManagement,
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},
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},
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expected: &appsv1beta1.StatefulSet{
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Spec: appsv1beta1.StatefulSetSpec{
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Replicas: &defaultReplicas,
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MinReadySeconds: int32(0),
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Template: defaultTemplate,
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PodManagementPolicy: appsv1beta1.ParallelPodManagement,
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UpdateStrategy: appsv1beta1.StatefulSetUpdateStrategy{
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Type: appsv1beta1.OnDeleteStatefulSetStrategyType,
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RollingUpdate: nil,
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},
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RevisionHistoryLimit: utilpointer.Int32(10),
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Selector: &metav1.LabelSelector{
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MatchLabels: map[string]string{"foo": "bar"},
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MatchExpressions: []metav1.LabelSelectorRequirement{},
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},
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},
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},
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},
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{
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name: "MaxUnavailable disabled, with maxUnavailable not specified",
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original: &appsv1beta1.StatefulSet{
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Spec: appsv1beta1.StatefulSetSpec{
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Template: defaultTemplate,
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},
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},
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expected: &appsv1beta1.StatefulSet{
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Spec: appsv1beta1.StatefulSetSpec{
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Replicas: &defaultReplicas,
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Template: defaultTemplate,
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PodManagementPolicy: appsv1beta1.OrderedReadyPodManagement,
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UpdateStrategy: appsv1beta1.StatefulSetUpdateStrategy{
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Type: appsv1beta1.OnDeleteStatefulSetStrategyType,
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RollingUpdate: nil,
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},
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RevisionHistoryLimit: utilpointer.Int32(10),
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Selector: &metav1.LabelSelector{
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MatchLabels: map[string]string{"foo": "bar"},
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MatchExpressions: []metav1.LabelSelectorRequirement{},
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},
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},
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},
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enableMaxUnavailablePolicy: false,
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},
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{
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name: "MaxUnavailable disabled, with default maxUnavailable specified",
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original: &appsv1beta1.StatefulSet{
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Spec: appsv1beta1.StatefulSetSpec{
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Template: defaultTemplate,
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UpdateStrategy: appsv1beta1.StatefulSetUpdateStrategy{
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RollingUpdate: &appsv1beta1.RollingUpdateStatefulSetStrategy{
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Partition: &defaultPartition,
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MaxUnavailable: getMaxUnavailable(1),
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},
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},
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},
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},
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expected: &appsv1beta1.StatefulSet{
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Spec: appsv1beta1.StatefulSetSpec{
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Replicas: &defaultReplicas,
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Template: defaultTemplate,
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PodManagementPolicy: appsv1beta1.OrderedReadyPodManagement,
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UpdateStrategy: appsv1beta1.StatefulSetUpdateStrategy{
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Type: appsv1beta1.OnDeleteStatefulSetStrategyType,
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RollingUpdate: &appsv1beta1.RollingUpdateStatefulSetStrategy{
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Partition: getPartition(0),
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MaxUnavailable: getMaxUnavailable(1),
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},
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},
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RevisionHistoryLimit: utilpointer.Int32(10),
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Selector: &metav1.LabelSelector{
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MatchLabels: map[string]string{"foo": "bar"},
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MatchExpressions: []metav1.LabelSelectorRequirement{},
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},
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},
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},
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enableMaxUnavailablePolicy: false,
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},
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{
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name: "MaxUnavailable disabled, with non default maxUnavailable specified",
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original: &appsv1beta1.StatefulSet{
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Spec: appsv1beta1.StatefulSetSpec{
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Template: defaultTemplate,
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UpdateStrategy: appsv1beta1.StatefulSetUpdateStrategy{
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RollingUpdate: &appsv1beta1.RollingUpdateStatefulSetStrategy{
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Partition: ¬TheDefaultPartition,
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MaxUnavailable: getMaxUnavailable(3),
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},
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},
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},
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},
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expected: &appsv1beta1.StatefulSet{
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Spec: appsv1beta1.StatefulSetSpec{
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Replicas: &defaultReplicas,
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Template: defaultTemplate,
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PodManagementPolicy: appsv1beta1.OrderedReadyPodManagement,
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UpdateStrategy: appsv1beta1.StatefulSetUpdateStrategy{
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Type: appsv1beta1.OnDeleteStatefulSetStrategyType,
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RollingUpdate: &appsv1beta1.RollingUpdateStatefulSetStrategy{
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Partition: getPartition(42),
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MaxUnavailable: getMaxUnavailable(3),
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},
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},
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RevisionHistoryLimit: utilpointer.Int32(10),
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Selector: &metav1.LabelSelector{
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MatchLabels: map[string]string{"foo": "bar"},
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MatchExpressions: []metav1.LabelSelectorRequirement{},
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},
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},
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},
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enableMaxUnavailablePolicy: false,
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},
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{
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name: "MaxUnavailable enabled, with no maxUnavailable specified",
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original: &appsv1beta1.StatefulSet{
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Spec: appsv1beta1.StatefulSetSpec{
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Template: defaultTemplate,
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},
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},
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expected: &appsv1beta1.StatefulSet{
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Spec: appsv1beta1.StatefulSetSpec{
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Replicas: &defaultReplicas,
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Template: defaultTemplate,
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PodManagementPolicy: appsv1beta1.OrderedReadyPodManagement,
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UpdateStrategy: appsv1beta1.StatefulSetUpdateStrategy{
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Type: appsv1beta1.OnDeleteStatefulSetStrategyType,
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RollingUpdate: nil,
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},
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RevisionHistoryLimit: utilpointer.Int32(10),
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Selector: &metav1.LabelSelector{
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MatchLabels: map[string]string{"foo": "bar"},
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MatchExpressions: []metav1.LabelSelectorRequirement{},
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},
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},
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},
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enableMaxUnavailablePolicy: true,
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},
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{
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name: "MaxUnavailable enabled, with non default maxUnavailable specified",
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original: &appsv1beta1.StatefulSet{
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Spec: appsv1beta1.StatefulSetSpec{
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Template: defaultTemplate,
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UpdateStrategy: appsv1beta1.StatefulSetUpdateStrategy{
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RollingUpdate: &appsv1beta1.RollingUpdateStatefulSetStrategy{
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Partition: ¬TheDefaultPartition,
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MaxUnavailable: getMaxUnavailable(3),
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},
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},
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},
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},
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expected: &appsv1beta1.StatefulSet{
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Spec: appsv1beta1.StatefulSetSpec{
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Replicas: &defaultReplicas,
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Template: defaultTemplate,
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PodManagementPolicy: appsv1beta1.OrderedReadyPodManagement,
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UpdateStrategy: appsv1beta1.StatefulSetUpdateStrategy{
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Type: appsv1beta1.OnDeleteStatefulSetStrategyType,
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RollingUpdate: &appsv1beta1.RollingUpdateStatefulSetStrategy{
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Partition: getPartition(42),
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MaxUnavailable: getMaxUnavailable(3),
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},
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},
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RevisionHistoryLimit: utilpointer.Int32(10),
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Selector: &metav1.LabelSelector{
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MatchLabels: map[string]string{"foo": "bar"},
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MatchExpressions: []metav1.LabelSelectorRequirement{},
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},
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},
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},
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enableMaxUnavailablePolicy: true,
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},
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{
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name: "StatefulSetAutoDeletePVC enabled",
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original: &appsv1beta1.StatefulSet{
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Spec: appsv1beta1.StatefulSetSpec{
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Template: defaultTemplate,
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},
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},
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expected: &appsv1beta1.StatefulSet{
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Spec: appsv1beta1.StatefulSetSpec{
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Replicas: &defaultReplicas,
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Template: defaultTemplate,
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PodManagementPolicy: appsv1beta1.OrderedReadyPodManagement,
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UpdateStrategy: appsv1beta1.StatefulSetUpdateStrategy{
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Type: appsv1beta1.OnDeleteStatefulSetStrategyType,
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RollingUpdate: nil,
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},
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RevisionHistoryLimit: utilpointer.Int32(10),
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PersistentVolumeClaimRetentionPolicy: &appsv1beta1.StatefulSetPersistentVolumeClaimRetentionPolicy{
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WhenDeleted: appsv1beta1.RetainPersistentVolumeClaimRetentionPolicyType,
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WhenScaled: appsv1beta1.RetainPersistentVolumeClaimRetentionPolicyType,
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},
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Selector: &metav1.LabelSelector{
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MatchLabels: map[string]string{"foo": "bar"},
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MatchExpressions: []metav1.LabelSelectorRequirement{},
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},
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},
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},
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enableStatefulSetAutoDelete: true,
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},
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}
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|
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for _, test := range tests {
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test := test
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t.Run(test.name, func(t *testing.T) {
|
|
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.MaxUnavailableStatefulSet, test.enableMaxUnavailablePolicy)()
|
|
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.StatefulSetAutoDeletePVC, test.enableStatefulSetAutoDelete)()
|
|
obj2 := roundTrip(t, runtime.Object(test.original))
|
|
got, ok := obj2.(*appsv1beta1.StatefulSet)
|
|
if !ok {
|
|
t.Errorf("unexpected object: %v", got)
|
|
t.FailNow()
|
|
}
|
|
if !apiequality.Semantic.DeepEqual(got.Spec, test.expected.Spec) {
|
|
t.Errorf("got different than expected\ngot:\n\t%+v\nexpected:\n\t%+v", got.Spec, test.expected.Spec)
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func roundTrip(t *testing.T, obj runtime.Object) runtime.Object {
|
|
data, err := runtime.Encode(legacyscheme.Codecs.LegacyCodec(SchemeGroupVersion), obj)
|
|
if err != nil {
|
|
t.Errorf("%v\n %#v", err, obj)
|
|
return nil
|
|
}
|
|
obj2, err := runtime.Decode(legacyscheme.Codecs.UniversalDecoder(), data)
|
|
if err != nil {
|
|
t.Errorf("%v\nData: %s\nSource: %#v", err, string(data), obj)
|
|
return nil
|
|
}
|
|
obj3 := reflect.New(reflect.TypeOf(obj).Elem()).Interface().(runtime.Object)
|
|
err = legacyscheme.Scheme.Convert(obj2, obj3, nil)
|
|
if err != nil {
|
|
t.Errorf("%v\nSource: %#v", err, obj2)
|
|
return nil
|
|
}
|
|
return obj3
|
|
}
|
|
|
|
func getPartition(partition int32) *int32 {
|
|
return &partition
|
|
}
|
|
|
|
func getMaxUnavailable(maxUnavailable int) *intstr.IntOrString {
|
|
maxUnavailableIntOrStr := intstr.FromInt(maxUnavailable)
|
|
return &maxUnavailableIntOrStr
|
|
}
|