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100 lines
2.6 KiB
100 lines
2.6 KiB
9 years ago
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/*
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* Minio Cloud Storage, (C) 2015 Minio, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package main
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import (
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"os"
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"path/filepath"
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"github.com/minio/minio/internal/github.com/minio/cli"
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"github.com/minio/minio/pkg/donut"
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)
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var (
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donutSubCommands = []cli.Command{
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{
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Name: "make",
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Description: "make a donut",
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Action: makeDonutMain,
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CustomHelpTemplate: `NAME:
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minio donut {{.Name}} - {{.Description}}
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USAGE:
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minio donut {{.Name}} DONUTNAME [DISKS...]
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EXAMPLES:
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1. Make a donut with 4 exports
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$ minio donut {{.Name}} mongodb-backup /mnt/export1 /mnt/export2 /mnt/export3 /mnt/export4
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2. Make a donut with 16 exports
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$ minio donut {{.Name}} operational-data /mnt/export1 /mnt/export2 /mnt/export3 /mnt/export4 /mnt/export5 \
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/mnt/export6 /mnt/export7 /mnt/export8 /mnt/export9 /mnt/export10 /mnt/export11 \
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/mnt/export12 /mnt/export13 /mnt/export14 /mnt/export15 /mnt/export16
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`,
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},
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}
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donutCmd = cli.Command{
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Name: "donut",
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Usage: "Create and manage a donut configuration",
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Subcommands: donutSubCommands,
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}
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)
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func makeDonutMain(c *cli.Context) {
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if !c.Args().Present() || c.Args().First() == "help" {
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cli.ShowCommandHelpAndExit(c, "make", 1)
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}
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donutName := c.Args().First()
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if c.Args().First() != "" {
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if !donut.IsValidDonut(donutName) {
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Fatalf("Invalid donutname %s\n", donutName)
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}
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}
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var disks []string
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for _, disk := range c.Args().Tail() {
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if _, err := isUsable(disk); err != nil {
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Fatalln(err)
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}
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disks = append(disks, disk)
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}
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for _, disk := range disks {
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if err := os.MkdirAll(filepath.Join(disk, donutName), 0700); err != nil {
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Fatalln(err)
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}
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}
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hostname, err := os.Hostname()
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if err != nil {
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Fatalln(err)
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}
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donutConfig := &donut.Config{}
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donutConfig.Version = "0.0.1"
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donutConfig.DonutName = donutName
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donutConfig.NodeDiskMap = make(map[string][]string)
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// keep it in exact order as it was specified, do not try to sort disks
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donutConfig.NodeDiskMap[hostname] = disks
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// default cache is unlimited
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donutConfig.MaxSize = 512000000
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if err := donut.SaveConfig(donutConfig); err != nil {
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Fatalln(err)
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}
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Infoln("Success!")
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}
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