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/*
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 v1beta1
import (
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/util/intstr"
)
func addDefaultingFuncs(scheme *runtime.Scheme) error {
return RegisterDefaults(scheme)
}
func SetDefaults_StatefulSet(obj *StatefulSet) {
if len(obj.Spec.PodManagementPolicy) == 0 {
obj.Spec.PodManagementPolicy = OrderedReadyPodManagement
}
if obj.Spec.UpdateStrategy.Type == "" {
obj.Spec.UpdateStrategy.Type = OnDeleteStatefulSetStrategyType
}
labels := obj.Spec.Template.Labels
if labels != nil {
if obj.Spec.Selector == nil {
obj.Spec.Selector = &metav1.LabelSelector{
MatchLabels: labels,
}
}
if len(obj.Labels) == 0 {
obj.Labels = labels
}
}
if obj.Spec.Replicas == nil {
obj.Spec.Replicas = new(int32)
*obj.Spec.Replicas = 1
}
if obj.Spec.RevisionHistoryLimit == nil {
obj.Spec.RevisionHistoryLimit = new(int32)
*obj.Spec.RevisionHistoryLimit = 10
}
if obj.Spec.UpdateStrategy.Type == RollingUpdateStatefulSetStrategyType &&
obj.Spec.UpdateStrategy.RollingUpdate != nil &&
obj.Spec.UpdateStrategy.RollingUpdate.Partition == nil {
obj.Spec.UpdateStrategy.RollingUpdate.Partition = new(int32)
*obj.Spec.UpdateStrategy.RollingUpdate.Partition = 0
}
}
// SetDefaults_Deployment sets additional defaults compared to its counterpart
// in extensions. These addons are:
// - MaxUnavailable during rolling update set to 25% (1 in extensions)
// - MaxSurge value during rolling update set to 25% (1 in extensions)
// - RevisionHistoryLimit set to 2 (not set in extensions)
// - ProgressDeadlineSeconds set to 600s (not set in extensions)
func SetDefaults_Deployment(obj *Deployment) {
// Default labels and selector to labels from pod template spec.
labels := obj.Spec.Template.Labels
if labels != nil {
if obj.Spec.Selector == nil {
obj.Spec.Selector = &metav1.LabelSelector{MatchLabels: labels}
}
if len(obj.Labels) == 0 {
obj.Labels = labels
}
}
// Set DeploymentSpec.Replicas to 1 if it is not set.
if obj.Spec.Replicas == nil {
obj.Spec.Replicas = new(int32)
*obj.Spec.Replicas = 1
}
strategy := &obj.Spec.Strategy
// Set default DeploymentStrategyType as RollingUpdate.
if strategy.Type == "" {
strategy.Type = RollingUpdateDeploymentStrategyType
}
if strategy.Type == RollingUpdateDeploymentStrategyType {
if strategy.RollingUpdate == nil {
rollingUpdate := RollingUpdateDeployment{}
strategy.RollingUpdate = &rollingUpdate
}
if strategy.RollingUpdate.MaxUnavailable == nil {
// Set default MaxUnavailable as 25% by default.
maxUnavailable := intstr.FromString("25%")
strategy.RollingUpdate.MaxUnavailable = &maxUnavailable
}
if strategy.RollingUpdate.MaxSurge == nil {
// Set default MaxSurge as 25% by default.
maxSurge := intstr.FromString("25%")
strategy.RollingUpdate.MaxSurge = &maxSurge
}
}
if obj.Spec.RevisionHistoryLimit == nil {
obj.Spec.RevisionHistoryLimit = new(int32)
*obj.Spec.RevisionHistoryLimit = 2
}
if obj.Spec.ProgressDeadlineSeconds == nil {
obj.Spec.ProgressDeadlineSeconds = new(int32)
*obj.Spec.ProgressDeadlineSeconds = 600
}
}
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