134 lines
3.6 KiB
Go
134 lines
3.6 KiB
Go
/*
|
|
Copyright 2015 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/client-go/pkg/api/v1"
|
|
"k8s.io/client-go/pkg/util/intstr"
|
|
)
|
|
|
|
func addDefaultingFuncs(scheme *runtime.Scheme) error {
|
|
RegisterDefaults(scheme)
|
|
return scheme.AddDefaultingFuncs(
|
|
SetDefaults_DaemonSet,
|
|
SetDefaults_Deployment,
|
|
SetDefaults_HorizontalPodAutoscaler,
|
|
SetDefaults_ReplicaSet,
|
|
SetDefaults_NetworkPolicy,
|
|
)
|
|
}
|
|
|
|
func SetDefaults_DaemonSet(obj *DaemonSet) {
|
|
labels := obj.Spec.Template.Labels
|
|
|
|
// TODO: support templates defined elsewhere when we support them in the API
|
|
if labels != nil {
|
|
if obj.Spec.Selector == nil {
|
|
obj.Spec.Selector = &metav1.LabelSelector{
|
|
MatchLabels: labels,
|
|
}
|
|
}
|
|
if len(obj.Labels) == 0 {
|
|
obj.Labels = labels
|
|
}
|
|
}
|
|
}
|
|
|
|
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 || strategy.RollingUpdate != nil {
|
|
if strategy.RollingUpdate == nil {
|
|
rollingUpdate := RollingUpdateDeployment{}
|
|
strategy.RollingUpdate = &rollingUpdate
|
|
}
|
|
if strategy.RollingUpdate.MaxUnavailable == nil {
|
|
// Set default MaxUnavailable as 1 by default.
|
|
maxUnavailable := intstr.FromInt(1)
|
|
strategy.RollingUpdate.MaxUnavailable = &maxUnavailable
|
|
}
|
|
if strategy.RollingUpdate.MaxSurge == nil {
|
|
// Set default MaxSurge as 1 by default.
|
|
maxSurge := intstr.FromInt(1)
|
|
strategy.RollingUpdate.MaxSurge = &maxSurge
|
|
}
|
|
}
|
|
}
|
|
|
|
func SetDefaults_HorizontalPodAutoscaler(obj *HorizontalPodAutoscaler) {
|
|
if obj.Spec.MinReplicas == nil {
|
|
minReplicas := int32(1)
|
|
obj.Spec.MinReplicas = &minReplicas
|
|
}
|
|
if obj.Spec.CPUUtilization == nil {
|
|
obj.Spec.CPUUtilization = &CPUTargetUtilization{TargetPercentage: 80}
|
|
}
|
|
}
|
|
|
|
func SetDefaults_ReplicaSet(obj *ReplicaSet) {
|
|
labels := obj.Spec.Template.Labels
|
|
|
|
// TODO: support templates defined elsewhere when we support them in the API
|
|
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
|
|
}
|
|
}
|
|
|
|
func SetDefaults_NetworkPolicy(obj *NetworkPolicy) {
|
|
// Default any undefined Protocol fields to TCP.
|
|
for _, i := range obj.Spec.Ingress {
|
|
// TODO: Update Ports to be a pointer to slice as soon as auto-generation supports it.
|
|
for _, p := range i.Ports {
|
|
if p.Protocol == nil {
|
|
proto := v1.ProtocolTCP
|
|
p.Protocol = &proto
|
|
}
|
|
}
|
|
}
|
|
}
|