/
replicate-reset-start.go
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/
replicate-reset-start.go
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// Copyright (c) 2015-2022 MinIO, Inc.
//
// This file is part of MinIO Object Storage stack
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package cmd
import (
"context"
"fmt"
"strings"
"time"
"github.com/fatih/color"
"github.com/minio/cli"
json "github.com/minio/colorjson"
"github.com/kirolous/mc/pkg/probe"
"github.com/minio/minio-go/v7/pkg/replication"
"github.com/minio/pkg/console"
)
var replicateResyncStartFlags = []cli.Flag{
cli.StringFlag{
Name: "older-than",
Usage: "replicate back objects older than value in duration string (e.g. 7d10h31s)",
},
cli.StringFlag{
Name: "remote-bucket",
Usage: "remote bucket ARN",
},
}
var replicateResyncStartCmd = cli.Command{
Name: "start",
Usage: "start replicating back all previously replicated objects",
Action: mainReplicateResyncStart,
OnUsageError: onUsageError,
Before: setGlobalsFromContext,
Flags: append(globalFlags, replicateResyncStartFlags...),
CustomHelpTemplate: `NAME:
{{.HelpName}} - {{.Usage}}
USAGE:
{{.HelpName}} TARGET
FLAGS:
{{range .VisibleFlags}}{{.}}
{{end}}
EXAMPLES:
1. Re-replicate previously replicated objects in bucket "mybucket" for alias "myminio" for remote target.
{{.Prompt}} {{.HelpName}} myminio/mybucket --remote-bucket "arn:minio:replication::xxx:mybucket"
2. Re-replicate all objects older than 60 days in bucket "mybucket" for remote bucket target.
{{.Prompt}} {{.HelpName}} myminio/mybucket --older-than 60d --remote-bucket "arn:minio:replication::xxx:mybucket"
`,
}
// checkReplicateResyncStartSyntax - validate all the passed arguments
func checkReplicateResyncStartSyntax(ctx *cli.Context) {
if len(ctx.Args()) != 1 {
showCommandHelpAndExit(ctx, 1) // last argument is exit code
}
if ctx.String("remote-bucket") == "" {
fatal(errDummy().Trace(), "--remote-bucket flag needs to be specified.")
}
}
type replicateResyncMessage struct {
Op string `json:"op"`
URL string `json:"url"`
ResyncTargetsInfo replication.ResyncTargetsInfo `json:"resyncInfo"`
Status string `json:"status"`
TargetArn string `json:"targetArn"`
}
func (r replicateResyncMessage) JSON() string {
r.Status = "success"
jsonMessageBytes, e := json.MarshalIndent(r, "", " ")
fatalIf(probe.NewError(e), "Unable to marshal into JSON.")
return string(jsonMessageBytes)
}
func (r replicateResyncMessage) String() string {
if len(r.ResyncTargetsInfo.Targets) == 1 {
return console.Colorize("replicateResyncMessage", fmt.Sprintf("Replication reset started for %s with ID %s", r.URL, r.ResyncTargetsInfo.Targets[0].ResetID))
}
return console.Colorize("replicateResyncMessage", fmt.Sprintf("Replication reset started for %s", r.URL))
}
func mainReplicateResyncStart(cliCtx *cli.Context) error {
ctx, cancelReplicateResyncStart := context.WithCancel(globalContext)
defer cancelReplicateResyncStart()
console.SetColor("replicateResyncMessage", color.New(color.FgGreen))
checkReplicateResyncStartSyntax(cliCtx)
// Get the alias parameter from cli
args := cliCtx.Args()
aliasedURL := args.Get(0)
// Create a new Client
client, err := newClient(aliasedURL)
fatalIf(err, "Unable to initialize connection.")
var olderThanStr string
var olderThan time.Duration
if cliCtx.IsSet("older-than") {
olderThanStr = cliCtx.String("older-than")
if olderThanStr != "" {
days, e := ParseDuration(olderThanStr)
if e != nil || !strings.ContainsAny(olderThanStr, "dwy") {
fatalIf(probe.NewError(e), "Unable to parse older-than=`"+olderThanStr+"`.")
}
if days == 0 {
fatalIf(probe.NewError(e), "older-than cannot be set to zero")
}
olderThan = time.Duration(days.Days())
}
}
rinfo, err := client.ResetReplication(ctx, olderThan, cliCtx.String("remote-bucket"))
fatalIf(err.Trace(args...), "Unable to reset replication")
printMsg(replicateResyncMessage{
Op: cliCtx.Command.Name,
URL: aliasedURL,
ResyncTargetsInfo: rinfo,
})
return nil
}