100 lines
2.6 KiB
Go
100 lines
2.6 KiB
Go
/*
|
|
* Minio Cloud Storage, (C) 2015 Minio, 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 main
|
|
|
|
import (
|
|
"os"
|
|
"path/filepath"
|
|
|
|
"github.com/minio/cli"
|
|
"github.com/minio/minio/pkg/donut"
|
|
)
|
|
|
|
var (
|
|
donutSubCommands = []cli.Command{
|
|
{
|
|
Name: "make",
|
|
Description: "make a donut",
|
|
Action: makeDonutMain,
|
|
CustomHelpTemplate: `NAME:
|
|
minio donut {{.Name}} - {{.Description}}
|
|
|
|
USAGE:
|
|
minio donut {{.Name}} DONUTNAME [DISKS...]
|
|
|
|
EXAMPLES:
|
|
1. Make a donut with 4 exports
|
|
$ minio donut {{.Name}} mongodb-backup /mnt/export1 /mnt/export2 /mnt/export3 /mnt/export4
|
|
|
|
2. Make a donut with 16 exports
|
|
$ minio donut {{.Name}} operational-data /mnt/export1 /mnt/export2 /mnt/export3 /mnt/export4 /mnt/export5 \
|
|
/mnt/export6 /mnt/export7 /mnt/export8 /mnt/export9 /mnt/export10 /mnt/export11 \
|
|
/mnt/export12 /mnt/export13 /mnt/export14 /mnt/export15 /mnt/export16
|
|
`,
|
|
},
|
|
}
|
|
|
|
donutCmd = cli.Command{
|
|
Name: "donut",
|
|
Usage: "Create and manage a donut configuration",
|
|
Subcommands: donutSubCommands,
|
|
}
|
|
)
|
|
|
|
func makeDonutMain(c *cli.Context) {
|
|
if !c.Args().Present() || c.Args().First() == "help" {
|
|
cli.ShowCommandHelpAndExit(c, "make", 1)
|
|
}
|
|
donutName := c.Args().First()
|
|
if c.Args().First() != "" {
|
|
if !donut.IsValidDonut(donutName) {
|
|
Fatalf("Invalid donutname %s\n", donutName)
|
|
}
|
|
}
|
|
var disks []string
|
|
for _, disk := range c.Args().Tail() {
|
|
if _, err := isUsable(disk); err != nil {
|
|
Fatalln(err)
|
|
}
|
|
disks = append(disks, disk)
|
|
}
|
|
for _, disk := range disks {
|
|
if err := os.MkdirAll(filepath.Join(disk, donutName), 0700); err != nil {
|
|
Fatalln(err)
|
|
}
|
|
}
|
|
|
|
hostname, err := os.Hostname()
|
|
if err != nil {
|
|
Fatalln(err)
|
|
}
|
|
donutConfig := &donut.Config{}
|
|
donutConfig.Version = "0.0.1"
|
|
donutConfig.DonutName = donutName
|
|
donutConfig.NodeDiskMap = make(map[string][]string)
|
|
// keep it in exact order as it was specified, do not try to sort disks
|
|
donutConfig.NodeDiskMap[hostname] = disks
|
|
// default cache is unlimited
|
|
donutConfig.MaxSize = 512000000
|
|
|
|
if err := donut.SaveConfig(donutConfig); err != nil {
|
|
Fatalln(err)
|
|
}
|
|
|
|
Infoln("Success!")
|
|
}
|