mirror of
https://github.com/vmware-tanzu/velero.git
synced 2026-08-03 22:06:07 +00:00
Justin Nauman
98d4660d27
- Adding in support for a new `download` subcommand of backup - Adjusted signing to allow for multiple types - Adding in git sha version during build more granular version debugging Signed-off-by: Justin Nauman <justin.r.nauman@gmail.com>
114 lines
2.9 KiB
Go
114 lines
2.9 KiB
Go
/*
|
|
Copyright 2017 Heptio Inc.
|
|
|
|
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 backup
|
|
|
|
import (
|
|
"errors"
|
|
"fmt"
|
|
"os"
|
|
"path"
|
|
"time"
|
|
|
|
"github.com/spf13/cobra"
|
|
"github.com/spf13/pflag"
|
|
|
|
"github.com/heptio/ark/pkg/apis/ark/v1"
|
|
"github.com/heptio/ark/pkg/client"
|
|
"github.com/heptio/ark/pkg/cmd"
|
|
"github.com/heptio/ark/pkg/cmd/util/downloadrequest"
|
|
)
|
|
|
|
func NewDownloadCommand(f client.Factory) *cobra.Command {
|
|
o := NewDownloadOptions()
|
|
c := &cobra.Command{
|
|
Use: "download NAME",
|
|
Short: "Download a backup",
|
|
Run: func(c *cobra.Command, args []string) {
|
|
cmd.CheckError(o.Validate(c, args))
|
|
cmd.CheckError(o.Complete(args))
|
|
cmd.CheckError(o.Run(c, f))
|
|
},
|
|
}
|
|
|
|
o.BindFlags(c.Flags())
|
|
|
|
return c
|
|
}
|
|
|
|
type DownloadOptions struct {
|
|
Name string
|
|
Path string
|
|
Force bool
|
|
Timeout time.Duration
|
|
writeOptions int
|
|
}
|
|
|
|
func NewDownloadOptions() *DownloadOptions {
|
|
return &DownloadOptions{
|
|
Timeout: time.Minute,
|
|
}
|
|
}
|
|
|
|
func (o *DownloadOptions) BindFlags(flags *pflag.FlagSet) {
|
|
flags.StringVar(&o.Path, "output-dir", "", "directory to download backup to. (Default cwd)")
|
|
flags.BoolVar(&o.Force, "force", o.Force, "forces the download and will overwrite file if it exists already")
|
|
flags.DurationVar(&o.Timeout, "timeout", o.Timeout, "maximum time to wait to process download request")
|
|
}
|
|
|
|
func (o *DownloadOptions) Validate(c *cobra.Command, args []string) error {
|
|
if len(args) != 1 {
|
|
return errors.New("backup name is required")
|
|
}
|
|
|
|
o.writeOptions = os.O_RDWR | os.O_CREATE | os.O_EXCL
|
|
if o.Force {
|
|
o.writeOptions = os.O_RDWR | os.O_CREATE | os.O_TRUNC
|
|
}
|
|
|
|
if o.Path == "" {
|
|
path, err := os.Getwd()
|
|
if err != nil {
|
|
return errors.New("an issue occurred attempting to determine the current working directory.")
|
|
}
|
|
o.Path = path
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func (o *DownloadOptions) Complete(args []string) error {
|
|
o.Name = args[0]
|
|
return nil
|
|
}
|
|
|
|
func (o *DownloadOptions) Run(c *cobra.Command, f client.Factory) error {
|
|
arkClient, err := f.Client()
|
|
cmd.CheckError(err)
|
|
|
|
backupDest, err := os.OpenFile(path.Join(o.Path, fmt.Sprintf("%s-data.tar.gz", o.Name)), o.writeOptions, 0600)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer backupDest.Close()
|
|
|
|
err = downloadrequest.Stream(arkClient.ArkV1(), o.Name, v1.DownloadTargetKindBackupContents, backupDest, o.Timeout)
|
|
cmd.CheckError(err)
|
|
|
|
fmt.Printf("Backup %s has been successfully downloaded to %s\n", o.Name, backupDest.Name())
|
|
return nil
|
|
}
|