mirror of https://github.com/helm/helm
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
115 lines
3.4 KiB
115 lines
3.4 KiB
/*
|
|
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 (
|
|
"fmt"
|
|
"io"
|
|
"strconv"
|
|
|
|
"github.com/spf13/cobra"
|
|
|
|
"k8s.io/helm/pkg/helm"
|
|
)
|
|
|
|
const rollbackDesc = `
|
|
This command rolls back a release to a previous revision.
|
|
|
|
The first argument of the rollback command is the name of a release, and the
|
|
second is a revision (version) number. To see revision numbers, run
|
|
'helm history RELEASE'.
|
|
`
|
|
|
|
type rollbackCmd struct {
|
|
name string
|
|
revision int32
|
|
dryRun bool
|
|
recreate bool
|
|
force bool
|
|
disableHooks bool
|
|
out io.Writer
|
|
client helm.Interface
|
|
timeout int64
|
|
wait bool
|
|
description string
|
|
}
|
|
|
|
func newRollbackCmd(c helm.Interface, out io.Writer) *cobra.Command {
|
|
rollback := &rollbackCmd{
|
|
out: out,
|
|
client: c,
|
|
}
|
|
|
|
cmd := &cobra.Command{
|
|
Use: "rollback [flags] [RELEASE] [REVISION]",
|
|
Short: "roll back a release to a previous revision",
|
|
Long: rollbackDesc,
|
|
PreRunE: func(_ *cobra.Command, _ []string) error { return setupConnection() },
|
|
RunE: func(cmd *cobra.Command, args []string) error {
|
|
if err := checkArgsLength(len(args), "release name", "revision number"); err != nil {
|
|
return err
|
|
}
|
|
|
|
rollback.name = args[0]
|
|
|
|
v64, err := strconv.ParseInt(args[1], 10, 32)
|
|
if err != nil {
|
|
return fmt.Errorf("invalid revision number '%q': %s", args[1], err)
|
|
}
|
|
|
|
rollback.revision = int32(v64)
|
|
rollback.client = ensureHelmClient(rollback.client)
|
|
return rollback.run()
|
|
},
|
|
}
|
|
|
|
f := cmd.Flags()
|
|
settings.AddFlagsTLS(f)
|
|
f.BoolVar(&rollback.dryRun, "dry-run", false, "simulate a rollback")
|
|
f.BoolVar(&rollback.recreate, "recreate-pods", false, "performs pods restart for the resource if applicable")
|
|
f.BoolVar(&rollback.force, "force", false, "force resource update through delete/recreate if needed")
|
|
f.BoolVar(&rollback.disableHooks, "no-hooks", false, "prevent hooks from running during rollback")
|
|
f.Int64Var(&rollback.timeout, "timeout", 300, "time in seconds to wait for any individual Kubernetes operation (like Jobs for hooks)")
|
|
f.BoolVar(&rollback.wait, "wait", false, "if set, will wait until all Pods, PVCs, Services, and minimum number of Pods of a Deployment are in a ready state before marking the release as successful. It will wait for as long as --timeout")
|
|
f.StringVar(&rollback.description, "description", "", "specify a description for the release")
|
|
|
|
// set defaults from environment
|
|
settings.InitTLS(f)
|
|
|
|
return cmd
|
|
}
|
|
|
|
func (r *rollbackCmd) run() error {
|
|
_, err := r.client.RollbackRelease(
|
|
r.name,
|
|
helm.RollbackDryRun(r.dryRun),
|
|
helm.RollbackRecreate(r.recreate),
|
|
helm.RollbackForce(r.force),
|
|
helm.RollbackDisableHooks(r.disableHooks),
|
|
helm.RollbackVersion(r.revision),
|
|
helm.RollbackTimeout(r.timeout),
|
|
helm.RollbackWait(r.wait),
|
|
helm.RollbackDescription(r.description))
|
|
if err != nil {
|
|
return prettyError(err)
|
|
}
|
|
|
|
fmt.Fprintf(r.out, "Rollback was a success! Happy Helming!\n")
|
|
|
|
return nil
|
|
}
|