
The minReadySeconds field on StatefulSet specifies the minimum number of seconds for which a newly created Pod should be ready without any of its containers crashing, for it to be considered available. The AvailableReplicas field in the status reflects the replicas that are available
118 lines
3.8 KiB
Go
118 lines
3.8 KiB
Go
/*
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Copyright 2016 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
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import (
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appsv1beta1 "k8s.io/api/apps/v1beta1"
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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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)
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func addDefaultingFuncs(scheme *runtime.Scheme) error {
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return RegisterDefaults(scheme)
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}
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func SetDefaults_StatefulSet(obj *appsv1beta1.StatefulSet) {
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if len(obj.Spec.PodManagementPolicy) == 0 {
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obj.Spec.PodManagementPolicy = appsv1beta1.OrderedReadyPodManagement
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}
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if obj.Spec.UpdateStrategy.Type == "" {
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obj.Spec.UpdateStrategy.Type = appsv1beta1.OnDeleteStatefulSetStrategyType
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}
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labels := obj.Spec.Template.Labels
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if labels != nil {
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if obj.Spec.Selector == nil {
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obj.Spec.Selector = &metav1.LabelSelector{
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MatchLabels: labels,
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}
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}
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if len(obj.Labels) == 0 {
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obj.Labels = labels
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}
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}
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if obj.Spec.Replicas == nil {
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obj.Spec.Replicas = new(int32)
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*obj.Spec.Replicas = 1
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}
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if obj.Spec.RevisionHistoryLimit == nil {
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obj.Spec.RevisionHistoryLimit = new(int32)
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*obj.Spec.RevisionHistoryLimit = 10
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}
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if obj.Spec.UpdateStrategy.Type == appsv1beta1.RollingUpdateStatefulSetStrategyType &&
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obj.Spec.UpdateStrategy.RollingUpdate != nil &&
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obj.Spec.UpdateStrategy.RollingUpdate.Partition == nil {
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obj.Spec.UpdateStrategy.RollingUpdate.Partition = new(int32)
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*obj.Spec.UpdateStrategy.RollingUpdate.Partition = 0
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}
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}
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// SetDefaults_Deployment sets additional defaults compared to its counterpart
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// in extensions. These addons are:
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// - MaxUnavailable during rolling update set to 25% (1 in extensions)
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// - MaxSurge value during rolling update set to 25% (1 in extensions)
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// - RevisionHistoryLimit set to 2 (not set in extensions)
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// - ProgressDeadlineSeconds set to 600s (not set in extensions)
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func SetDefaults_Deployment(obj *appsv1beta1.Deployment) {
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// Default labels and selector to labels from pod template spec.
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labels := obj.Spec.Template.Labels
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if labels != nil {
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if obj.Spec.Selector == nil {
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obj.Spec.Selector = &metav1.LabelSelector{MatchLabels: labels}
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}
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if len(obj.Labels) == 0 {
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obj.Labels = labels
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}
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}
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// Set appsv1beta1.DeploymentSpec.Replicas to 1 if it is not set.
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if obj.Spec.Replicas == nil {
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obj.Spec.Replicas = new(int32)
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*obj.Spec.Replicas = 1
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}
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strategy := &obj.Spec.Strategy
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// Set default appsv1beta1.DeploymentStrategyType as RollingUpdate.
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if strategy.Type == "" {
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strategy.Type = appsv1beta1.RollingUpdateDeploymentStrategyType
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}
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if strategy.Type == appsv1beta1.RollingUpdateDeploymentStrategyType {
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if strategy.RollingUpdate == nil {
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rollingUpdate := appsv1beta1.RollingUpdateDeployment{}
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strategy.RollingUpdate = &rollingUpdate
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}
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if strategy.RollingUpdate.MaxUnavailable == nil {
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// Set default MaxUnavailable as 25% by default.
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maxUnavailable := intstr.FromString("25%")
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strategy.RollingUpdate.MaxUnavailable = &maxUnavailable
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}
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if strategy.RollingUpdate.MaxSurge == nil {
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// Set default MaxSurge as 25% by default.
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maxSurge := intstr.FromString("25%")
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strategy.RollingUpdate.MaxSurge = &maxSurge
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}
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}
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if obj.Spec.RevisionHistoryLimit == nil {
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obj.Spec.RevisionHistoryLimit = new(int32)
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*obj.Spec.RevisionHistoryLimit = 2
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}
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if obj.Spec.ProgressDeadlineSeconds == nil {
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obj.Spec.ProgressDeadlineSeconds = new(int32)
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*obj.Spec.ProgressDeadlineSeconds = 600
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}
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}
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