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delete.go
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delete.go
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/*
Copyright The Helm 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 main
import (
"errors"
"fmt"
"io"
"github.com/spf13/cobra"
"k8s.io/helm/pkg/helm"
)
const deleteDesc = `
This command takes a release name, and then deletes the release from Kubernetes.
It removes all of the resources associated with the last release of the chart.
Use the '--dry-run' flag to see which releases will be deleted without actually
deleting them.
`
type deleteCmd struct {
name string
dryRun bool
disableHooks bool
purge bool
timeout int64
description string
out io.Writer
client helm.Interface
}
func newDeleteCmd(c helm.Interface, out io.Writer) *cobra.Command {
del := &deleteCmd{
out: out,
client: c,
}
cmd := &cobra.Command{
Use: "delete [flags] RELEASE_NAME [...]",
Aliases: []string{"del"},
SuggestFor: []string{"remove", "rm"},
Short: "Given a release name, delete the release from Kubernetes",
Long: deleteDesc,
PreRunE: func(_ *cobra.Command, _ []string) error { return setupConnection() },
RunE: func(cmd *cobra.Command, args []string) error {
if len(args) == 0 {
return errors.New("command 'delete' requires a release name")
}
del.client = ensureHelmClient(del.client)
for i := 0; i < len(args); i++ {
del.name = args[i]
if err := del.run(); err != nil {
return err
}
fmt.Fprintf(out, "release \"%s\" deleted\n", del.name)
}
return nil
},
}
f := cmd.Flags()
settings.AddFlagsTLS(f)
f.BoolVar(&del.dryRun, "dry-run", false, "Simulate a delete")
f.BoolVar(&del.disableHooks, "no-hooks", false, "Prevent hooks from running during deletion")
f.BoolVar(&del.purge, "purge", false, "Remove the release from the store and make its name free for later use")
f.Int64Var(&del.timeout, "timeout", 300, "Time in seconds to wait for any individual Kubernetes operation (like Jobs for hooks)")
f.StringVar(&del.description, "description", "", "Specify a description for the release")
// set defaults from environment
settings.InitTLS(f)
return cmd
}
func (d *deleteCmd) run() error {
opts := []helm.DeleteOption{
helm.DeleteDryRun(d.dryRun),
helm.DeleteDisableHooks(d.disableHooks),
helm.DeletePurge(d.purge),
helm.DeleteTimeout(d.timeout),
helm.DeleteDescription(d.description),
}
res, err := d.client.DeleteRelease(d.name, opts...)
if res != nil && res.Info != "" {
fmt.Fprintln(d.out, res.Info)
}
return prettyError(err)
}