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delete_flags.go
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/
delete_flags.go
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/*
Copyright 2018 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"
"time"
"github.com/spf13/cobra"
"k8s.io/kubernetes/pkg/kubectl"
"k8s.io/kubernetes/pkg/kubectl/resource"
)
type FileNameFlags struct {
Usage string
Filenames *[]string
Recursive *bool
}
func (o *FileNameFlags) ToOptions() resource.FilenameOptions {
options := resource.FilenameOptions{}
if o.Recursive != nil {
options.Recursive = *o.Recursive
}
if o.Filenames != nil {
options.Filenames = *o.Filenames
}
return options
}
func (o *FileNameFlags) AddFlags(cmd *cobra.Command) {
if o.Recursive != nil {
cmd.Flags().BoolVarP(o.Recursive, "recursive", "R", *o.Recursive, "Process the directory used in -f, --filename recursively. Useful when you want to manage related manifests organized within the same directory.")
}
if o.Filenames != nil {
kubectl.AddJsonFilenameFlag(cmd, o.Filenames, "Filename, directory, or URL to files "+o.Usage)
}
}
// PrintFlags composes common printer flag structs
// used for commands requiring deletion logic.
type DeleteFlags struct {
FileNameFlags *FileNameFlags
LabelSelector *string
FieldSelector *string
All *bool
Cascade *bool
Force *bool
GracePeriod *int
IgnoreNotFound *bool
Now *bool
Timeout *time.Duration
Output *string
}
func (f *DeleteFlags) ToOptions(out, errOut io.Writer) *DeleteOptions {
options := &DeleteOptions{
Out: out,
ErrOut: errOut,
}
// add filename options
if f.FileNameFlags != nil {
options.FilenameOptions = f.FileNameFlags.ToOptions()
}
if f.LabelSelector != nil {
options.LabelSelector = *f.LabelSelector
}
if f.FieldSelector != nil {
options.FieldSelector = *f.FieldSelector
}
// add output format
if f.Output != nil {
options.Output = *f.Output
}
if f.All != nil {
options.DeleteAll = *f.All
}
if f.Cascade != nil {
options.Cascade = *f.Cascade
}
if f.Force != nil {
options.ForceDeletion = *f.Force
}
if f.GracePeriod != nil {
options.GracePeriod = *f.GracePeriod
}
if f.IgnoreNotFound != nil {
options.IgnoreNotFound = *f.IgnoreNotFound
}
if f.Now != nil {
options.DeleteNow = *f.Now
}
if f.Timeout != nil {
options.Timeout = *f.Timeout
}
return options
}
func (f *DeleteFlags) AddFlags(cmd *cobra.Command) {
f.FileNameFlags.AddFlags(cmd)
if f.LabelSelector != nil {
cmd.Flags().StringVarP(f.LabelSelector, "selector", "l", *f.LabelSelector, "Selector (label query) to filter on, not including uninitialized ones.")
}
if f.FieldSelector != nil {
cmd.Flags().StringVarP(f.FieldSelector, "field-selector", "", *f.FieldSelector, "Selector (field query) to filter on, supports '=', '==', and '!='.(e.g. --field-selector key1=value1,key2=value2). The server only supports a limited number of field queries per type.")
}
if f.All != nil {
cmd.Flags().BoolVar(f.All, "all", *f.All, "Delete all resources, including uninitialized ones, in the namespace of the specified resource types.")
}
if f.Force != nil {
cmd.Flags().BoolVar(f.Force, "force", *f.Force, "Only used when grace-period=0. If true, immediately remove resources from API and bypass graceful deletion. Note that immediate deletion of some resources may result in inconsistency or data loss and requires confirmation.")
}
if f.Cascade != nil {
cmd.Flags().BoolVar(f.Cascade, "cascade", *f.Cascade, "If true, cascade the deletion of the resources managed by this resource (e.g. Pods created by a ReplicationController). Default true.")
}
if f.Now != nil {
cmd.Flags().BoolVar(f.Now, "now", *f.Now, "If true, resources are signaled for immediate shutdown (same as --grace-period=1).")
}
if f.GracePeriod != nil {
cmd.Flags().IntVar(f.GracePeriod, "grace-period", *f.GracePeriod, "Period of time in seconds given to the resource to terminate gracefully. Ignored if negative. Set to 1 for immediate shutdown. Can only be set to 0 when --force is true (force deletion).")
}
if f.Timeout != nil {
cmd.Flags().DurationVar(f.Timeout, "timeout", *f.Timeout, "The length of time to wait before giving up on a delete, zero means determine a timeout from the size of the object")
}
if f.IgnoreNotFound != nil {
cmd.Flags().BoolVar(f.IgnoreNotFound, "ignore-not-found", *f.IgnoreNotFound, "Treat \"resource not found\" as a successful delete. Defaults to \"true\" when --all is specified.")
}
if f.Output != nil {
cmd.Flags().StringVarP(f.Output, "output", "o", *f.Output, "Output mode. Use \"-o name\" for shorter output (resource/name).")
}
}
// NewDeleteCommandFlags provides default flags and values for use with the "delete" command
func NewDeleteCommandFlags(usage string) *DeleteFlags {
cascade := true
gracePeriod := -1
// setup command defaults
all := false
force := false
ignoreNotFound := false
now := false
output := ""
labelSelector := ""
fieldSelector := ""
timeout := time.Duration(0)
filenames := []string{}
recursive := false
return &DeleteFlags{
FileNameFlags: &FileNameFlags{Usage: usage, Filenames: &filenames, Recursive: &recursive},
LabelSelector: &labelSelector,
FieldSelector: &fieldSelector,
Cascade: &cascade,
GracePeriod: &gracePeriod,
All: &all,
Force: &force,
IgnoreNotFound: &ignoreNotFound,
Now: &now,
Timeout: &timeout,
Output: &output,
}
}
// NewDeleteFlags provides default flags and values for use in commands outside of "delete"
func NewDeleteFlags(usage string) *DeleteFlags {
cascade := true
gracePeriod := -1
force := false
timeout := time.Duration(0)
filenames := []string{}
recursive := false
return &DeleteFlags{
FileNameFlags: &FileNameFlags{Usage: usage, Filenames: &filenames, Recursive: &recursive},
Cascade: &cascade,
GracePeriod: &gracePeriod,
// add non-defaults
Force: &force,
Timeout: &timeout,
}
}