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.
90 lines
3.1 KiB
90 lines
3.1 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"
|
|
"time"
|
|
|
|
"github.com/spf13/cobra"
|
|
|
|
"helm.sh/helm/v3/cmd/helm/require"
|
|
"helm.sh/helm/v3/pkg/action"
|
|
)
|
|
|
|
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. If this argument is omitted, it will
|
|
roll back to the previous release.
|
|
|
|
To see revision numbers, run 'helm history RELEASE'.
|
|
`
|
|
|
|
func newRollbackCmd(cfg *action.Configuration, out io.Writer) *cobra.Command {
|
|
client := action.NewRollback(cfg)
|
|
|
|
cmd := &cobra.Command{
|
|
Use: "rollback <RELEASE> [REVISION]",
|
|
Short: "roll back a release to a previous revision",
|
|
Long: rollbackDesc,
|
|
Args: require.MinimumNArgs(1),
|
|
ValidArgsFunction: func(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) {
|
|
if len(args) == 0 {
|
|
return compListReleases(toComplete, cfg)
|
|
}
|
|
|
|
if len(args) == 1 {
|
|
return compListRevisions(toComplete, cfg, args[0])
|
|
}
|
|
|
|
return nil, cobra.ShellCompDirectiveNoFileComp
|
|
},
|
|
RunE: func(cmd *cobra.Command, args []string) error {
|
|
if len(args) > 1 {
|
|
ver, err := strconv.Atoi(args[1])
|
|
if err != nil {
|
|
return fmt.Errorf("could not convert revision to a number: %v", err)
|
|
}
|
|
client.Version = ver
|
|
}
|
|
|
|
if err := client.Run(args[0]); err != nil {
|
|
return err
|
|
}
|
|
|
|
fmt.Fprintf(out, "Rollback was a success! Happy Helming!\n")
|
|
return nil
|
|
},
|
|
}
|
|
|
|
f := cmd.Flags()
|
|
f.BoolVar(&client.DryRun, "dry-run", false, "simulate a rollback")
|
|
f.BoolVar(&client.Recreate, "recreate-pods", false, "performs pods restart for the resource if applicable")
|
|
f.BoolVar(&client.Force, "force", false, "force resource update through delete/recreate if needed")
|
|
f.BoolVar(&client.DisableHooks, "no-hooks", false, "prevent hooks from running during rollback")
|
|
f.DurationVar(&client.Timeout, "timeout", 300*time.Second, "time to wait for any individual Kubernetes operation (like Jobs for hooks)")
|
|
f.BoolVar(&client.Wait, "wait", false, "if set, will wait until all Pods, PVCs, Services, and minimum number of Pods of a Deployment, StatefulSet, or ReplicaSet are in a ready state before marking the release as successful. It will wait for as long as --timeout")
|
|
f.BoolVar(&client.CleanupOnFail, "cleanup-on-fail", false, "allow deletion of new resources created in this rollback when rollback fails")
|
|
f.IntVar(&client.MaxHistory, "history-max", settings.MaxHistory, "limit the maximum number of revisions saved per release. Use 0 for no limit")
|
|
|
|
return cmd
|
|
}
|