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create_priorityclass.go
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create_priorityclass.go
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/*
Copyright 2017 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 cmd
import (
"io"
"github.com/spf13/cobra"
"k8s.io/kubernetes/pkg/kubectl"
"k8s.io/kubernetes/pkg/kubectl/cmd/templates"
cmdutil "k8s.io/kubernetes/pkg/kubectl/cmd/util"
"k8s.io/kubernetes/pkg/kubectl/util/i18n"
)
var (
pcLong = templates.LongDesc(i18n.T(`
Create a priorityclass with the specified name, value, globalDefault and description`))
pcExample = templates.Examples(i18n.T(`
# Create a priorityclass named high-priority
kubectl create priorityclass default-priority --value=1000 --description="high priority"
# Create a priorityclass named default-priority that considered as the global default priority
kubectl create priorityclass default-priority --value=1000 --global-default=true --description="default priority"`))
)
// NewCmdCreatePriorityClass is a macro command to create a new priorityClass.
func NewCmdCreatePriorityClass(f cmdutil.Factory, cmdOut io.Writer) *cobra.Command {
cmd := &cobra.Command{
Use: "priorityclass NAME --value=VALUE --global-default=BOOL [--dry-run]",
DisableFlagsInUseLine: true,
Aliases: []string{"pc"},
Short: i18n.T("Create a priorityclass with the specified name."),
Long: pcLong,
Example: pcExample,
Run: func(cmd *cobra.Command, args []string) {
cmdutil.CheckErr(CreatePriorityClass(f, cmdOut, cmd, args))
},
}
cmdutil.AddApplyAnnotationFlags(cmd)
cmdutil.AddValidateFlags(cmd)
cmdutil.AddPrinterFlags(cmd)
cmdutil.AddGeneratorFlags(cmd, cmdutil.PriorityClassV1Alpha1GeneratorName)
cmd.Flags().Int32("value", 0, i18n.T("the value of this priority class."))
cmd.Flags().Bool("global-default", false, i18n.T("global-default specifies whether this PriorityClass should be considered as the default priority."))
cmd.Flags().String("description", "", i18n.T("description is an arbitrary string that usually provides guidelines on when this priority class should be used."))
return cmd
}
// CreatePriorityClass implements the behavior to run the create priorityClass command.
func CreatePriorityClass(f cmdutil.Factory, cmdOut io.Writer, cmd *cobra.Command, args []string) error {
name, err := NameFromCommandArgs(cmd, args)
if err != nil {
return err
}
var generator kubectl.StructuredGenerator
switch generatorName := cmdutil.GetFlagString(cmd, "generator"); generatorName {
case cmdutil.PriorityClassV1Alpha1GeneratorName:
generator = &kubectl.PriorityClassV1Generator{
Name: name,
Value: cmdutil.GetFlagInt32(cmd, "value"),
GlobalDefault: cmdutil.GetFlagBool(cmd, "global-default"),
Description: cmdutil.GetFlagString(cmd, "description"),
}
default:
return errUnsupportedGenerator(cmd, generatorName)
}
return RunCreateSubcommand(f, cmd, cmdOut, &CreateSubcommandOptions{
Name: name,
StructuredGenerator: generator,
DryRun: cmdutil.GetDryRunFlag(cmd),
OutputFormat: cmdutil.GetFlagString(cmd, "output"),
})
}