mirror of
https://github.com/minio/minio.git
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121 lines
3.3 KiB
Go
121 lines
3.3 KiB
Go
/*
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* Minio Cloud Storage, (C) 2016 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 cmd
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import (
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"fmt"
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"net/rpc"
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"net/url"
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"path"
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"strings"
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"github.com/minio/cli"
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)
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var healCmd = cli.Command{
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Name: "heal",
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Usage: "To heal objects.",
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Action: healControl,
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CustomHelpTemplate: `NAME:
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minio control {{.Name}} - {{.Usage}}
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USAGE:
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minio control {{.Name}}
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EAMPLES:
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1. Heal an object.
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$ minio control {{.Name}} http://localhost:9000/songs/classical/western/piano.mp3
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2. Heal all objects in a bucket recursively.
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$ minio control {{.Name}} http://localhost:9000/songs
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3. Heall all objects with a given prefix recursively.
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$ minio control {{.Name}} http://localhost:9000/songs/classical/
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`,
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}
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// "minio control heal" entry point.
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func healControl(ctx *cli.Context) {
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// Parse bucket and object from url.URL.Path
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parseBucketObject := func(path string) (bucketName string, objectName string) {
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splits := strings.SplitN(path, string(slashSeparator), 3)
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switch len(splits) {
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case 0, 1:
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bucketName = ""
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objectName = ""
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case 2:
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bucketName = splits[1]
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objectName = ""
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case 3:
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bucketName = splits[1]
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objectName = splits[2]
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}
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return bucketName, objectName
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}
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if len(ctx.Args()) != 1 {
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cli.ShowCommandHelpAndExit(ctx, "heal", 1)
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}
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parsedURL, err := url.Parse(ctx.Args()[0])
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fatalIf(err, "Unable to parse URL")
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bucketName, objectName := parseBucketObject(parsedURL.Path)
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if bucketName == "" {
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cli.ShowCommandHelpAndExit(ctx, "heal", 1)
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}
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client, err := rpc.DialHTTPPath("tcp", parsedURL.Host, path.Join(reservedBucket, controlPath))
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fatalIf(err, "Unable to connect to %s", parsedURL.Host)
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// If object does not have trailing "/" then it's an object, hence heal it.
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if objectName != "" && !strings.HasSuffix(objectName, slashSeparator) {
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fmt.Printf("Healing : /%s/%s", bucketName, objectName)
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args := &HealObjectArgs{bucketName, objectName}
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reply := &HealObjectReply{}
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err = client.Call("Control.HealObject", args, reply)
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fatalIf(err, "RPC Control.HealObject call failed")
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fmt.Println()
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return
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}
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// Recursively list and heal the objects.
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prefix := objectName
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marker := ""
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for {
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args := HealListArgs{bucketName, prefix, marker, "", 1000}
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reply := &HealListReply{}
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err = client.Call("Control.ListObjectsHeal", args, reply)
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fatalIf(err, "RPC Heal.ListObjects call failed")
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// Heal the objects returned in the ListObjects reply.
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for _, obj := range reply.Objects {
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fmt.Printf("Healing : /%s/%s", bucketName, obj)
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reply := &HealObjectReply{}
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err = client.Call("Control.HealObject", HealObjectArgs{bucketName, obj}, reply)
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fatalIf(err, "RPC Heal.HealObject call failed")
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fmt.Println()
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}
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if !reply.IsTruncated {
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// End of listing.
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break
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}
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marker = reply.NextMarker
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}
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}
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