mirror of https://github.com/k3s-io/k3s
123 lines
3.4 KiB
Go
123 lines
3.4 KiB
Go
/*
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Copyright 2015 The Kubernetes Authors All rights reserved.
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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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"k8s.io/kubernetes/pkg/api"
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"k8s.io/kubernetes/pkg/util"
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)
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func addDefaultingFuncs() {
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api.Scheme.AddDefaultingFuncs(
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func(obj *APIVersion) {
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if len(obj.APIGroup) == 0 {
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obj.APIGroup = "extensions"
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}
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},
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func(obj *DaemonSet) {
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var labels map[string]string
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if obj.Spec.Template != nil {
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labels = obj.Spec.Template.Labels
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}
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// TODO: support templates defined elsewhere when we support them in the API
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if labels != nil {
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if len(obj.Spec.Selector) == 0 {
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obj.Spec.Selector = 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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},
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func(obj *Deployment) {
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// Default labels and selector to labels from pod template spec.
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var labels map[string]string
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if obj.Spec.Template != nil {
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labels = obj.Spec.Template.Labels
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}
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if labels != nil {
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if len(obj.Spec.Selector) == 0 {
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obj.Spec.Selector = 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 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(int)
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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 DeploymentStrategyType as RollingUpdate.
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if strategy.Type == "" {
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strategy.Type = RollingUpdateDeploymentStrategyType
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}
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if strategy.Type == RollingUpdateDeploymentStrategyType {
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if strategy.RollingUpdate == nil {
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rollingUpdate := 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 1 by default.
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maxUnavailable := util.NewIntOrStringFromInt(1)
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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 1 by default.
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maxSurge := util.NewIntOrStringFromInt(1)
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strategy.RollingUpdate.MaxSurge = &maxSurge
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}
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}
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if obj.Spec.UniqueLabelKey == nil {
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obj.Spec.UniqueLabelKey = new(string)
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*obj.Spec.UniqueLabelKey = "deployment.kubernetes.io/podTemplateHash"
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}
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},
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func(obj *Job) {
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labels := obj.Spec.Template.Labels
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// TODO: support templates defined elsewhere when we support them in the API
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if labels != nil {
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if obj.Spec.Selector == nil {
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obj.Spec.Selector = &PodSelector{
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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.Completions == nil {
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completions := 1
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obj.Spec.Completions = &completions
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}
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if obj.Spec.Parallelism == nil {
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obj.Spec.Parallelism = obj.Spec.Completions
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}
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},
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func(obj *HorizontalPodAutoscaler) {
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if obj.Spec.MinReplicas == nil {
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minReplicas := 1
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obj.Spec.MinReplicas = &minReplicas
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}
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if obj.Spec.CPUUtilization == nil {
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obj.Spec.CPUUtilization = &CPUTargetUtilization{TargetPercentage: 80}
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}
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},
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)
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}
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