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111 lines
4.3 KiB
Go
111 lines
4.3 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 create
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import (
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"github.com/spf13/cobra"
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apiv1 "k8s.io/api/core/v1"
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"k8s.io/cli-runtime/pkg/genericclioptions"
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"k8s.io/kubectl/pkg/util/templates"
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cmdutil "k8s.io/kubernetes/pkg/kubectl/cmd/util"
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"k8s.io/kubernetes/pkg/kubectl/generate"
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generateversioned "k8s.io/kubernetes/pkg/kubectl/generate/versioned"
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"k8s.io/kubernetes/pkg/kubectl/util/i18n"
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)
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var (
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pcLong = templates.LongDesc(i18n.T(`
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Create a priorityclass with the specified name, value, globalDefault and description`))
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pcExample = templates.Examples(i18n.T(`
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# Create a priorityclass named high-priority
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kubectl create priorityclass high-priority --value=1000 --description="high priority"
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# Create a priorityclass named default-priority that considered as the global default priority
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kubectl create priorityclass default-priority --value=1000 --global-default=true --description="default priority"
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# Create a priorityclass named high-priority that can not preempt pods with lower priority
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kubectl create priorityclass high-priority --value=1000 --description="high priority" --preemption-policy="Never"`))
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)
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// PriorityClassOpts holds the options for 'create priorityclass' sub command
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type PriorityClassOpts struct {
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CreateSubcommandOptions *CreateSubcommandOptions
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}
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// NewCmdCreatePriorityClass is a macro command to create a new priorityClass.
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func NewCmdCreatePriorityClass(f cmdutil.Factory, ioStreams genericclioptions.IOStreams) *cobra.Command {
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options := &PriorityClassOpts{
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CreateSubcommandOptions: NewCreateSubcommandOptions(ioStreams),
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}
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cmd := &cobra.Command{
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Use: "priorityclass NAME --value=VALUE --global-default=BOOL [--dry-run]",
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DisableFlagsInUseLine: true,
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Aliases: []string{"pc"},
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Short: i18n.T("Create a priorityclass with the specified name."),
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Long: pcLong,
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Example: pcExample,
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Run: func(cmd *cobra.Command, args []string) {
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cmdutil.CheckErr(options.Complete(f, cmd, args))
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cmdutil.CheckErr(options.Run())
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},
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}
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options.CreateSubcommandOptions.PrintFlags.AddFlags(cmd)
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cmdutil.AddApplyAnnotationFlags(cmd)
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cmdutil.AddValidateFlags(cmd)
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cmdutil.AddGeneratorFlags(cmd, generateversioned.PriorityClassV1GeneratorName)
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cmd.Flags().Int32("value", 0, i18n.T("the value of this priority class."))
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cmd.Flags().Bool("global-default", false, i18n.T("global-default specifies whether this PriorityClass should be considered as the default priority."))
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cmd.Flags().String("description", "", i18n.T("description is an arbitrary string that usually provides guidelines on when this priority class should be used."))
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cmd.Flags().String("preemption-policy", "", i18n.T("preemption-policy is the policy for preempting pods with lower priority."))
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return cmd
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}
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// Complete completes all the required options
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func (o *PriorityClassOpts) Complete(f cmdutil.Factory, cmd *cobra.Command, args []string) error {
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name, err := NameFromCommandArgs(cmd, args)
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if err != nil {
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return err
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}
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var generator generate.StructuredGenerator
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switch generatorName := cmdutil.GetFlagString(cmd, "generator"); generatorName {
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case generateversioned.PriorityClassV1GeneratorName:
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generator = &generateversioned.PriorityClassV1Generator{
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Name: name,
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Value: cmdutil.GetFlagInt32(cmd, "value"),
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GlobalDefault: cmdutil.GetFlagBool(cmd, "global-default"),
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Description: cmdutil.GetFlagString(cmd, "description"),
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PreemptionPolicy: apiv1.PreemptionPolicy(cmdutil.GetFlagString(cmd, "preemption-policy")),
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}
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default:
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return errUnsupportedGenerator(cmd, generatorName)
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}
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return o.CreateSubcommandOptions.Complete(f, cmd, args, generator)
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}
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// Run calls the CreateSubcommandOptions.Run in the PriorityClassOpts instance
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func (o *PriorityClassOpts) Run() error {
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return o.CreateSubcommandOptions.Run()
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}
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