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This allows triggering a resyncing of previously replicated objects when existing object replication is enabled. It is useful in scenarios where replication target is entirely lost and content needs to be replicated again.
131 lines
3.8 KiB
Go
131 lines
3.8 KiB
Go
// Copyright (c) 2015-2021 MinIO, Inc.
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//
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// This file is part of MinIO Object Storage stack
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package cmd
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import (
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"context"
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"fmt"
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"strings"
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"time"
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"github.com/fatih/color"
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"github.com/minio/cli"
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json "github.com/minio/colorjson"
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"github.com/minio/mc/pkg/probe"
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"github.com/minio/pkg/console"
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"maze.io/x/duration"
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)
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var replicateResetFlags = []cli.Flag{
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cli.StringFlag{
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Name: "older-than",
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Usage: "re-replicate objects older than n days",
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},
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}
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var replicateResetCmd = cli.Command{
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Name: "resync",
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Usage: "re-replicate all previously replicated objects",
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Aliases: []string{"reset"},
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Action: mainReplicateReset,
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OnUsageError: onUsageError,
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Before: setGlobalsFromContext,
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Flags: append(globalFlags, replicateResetFlags...),
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CustomHelpTemplate: `NAME:
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{{.HelpName}} - {{.Usage}}
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USAGE:
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{{.HelpName}} TARGET
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FLAGS:
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{{range .VisibleFlags}}{{.}}
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{{end}}
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EXAMPLES:
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1. Re-replicate previously replicated objects in bucket "mybucket" for alias "myminio".
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{{.Prompt}} {{.HelpName}} myminio/mybucket
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2. Re-replicate all objects older than 60 days in bucket "mybucket".
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{{.Prompt}} {{.HelpName}} myminio/mybucket --older-than 60d
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`,
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}
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// checkReplicateResetSyntax - validate all the passed arguments
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func checkReplicateResetSyntax(ctx *cli.Context) {
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if len(ctx.Args()) != 1 {
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cli.ShowCommandHelpAndExit(ctx, "reset", 1) // last argument is exit code
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}
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}
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type replicateResetMessage struct {
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Op string `json:"op"`
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URL string `json:"url"`
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ResetID string `json:"resetID"`
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Status string `json:"status"`
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}
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func (r replicateResetMessage) JSON() string {
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r.Status = "success"
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jsonMessageBytes, e := json.MarshalIndent(r, "", " ")
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fatalIf(probe.NewError(e), "Unable to marshal into JSON.")
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return string(jsonMessageBytes)
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}
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func (r replicateResetMessage) String() string {
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return console.Colorize("replicateResetMessage", fmt.Sprintf("Replication reset started for %s with ID %s", r.URL, r.ResetID))
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}
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func mainReplicateReset(cliCtx *cli.Context) error {
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ctx, cancelReplicateReset := context.WithCancel(globalContext)
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defer cancelReplicateReset()
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console.SetColor("replicateResetMessage", color.New(color.FgGreen))
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checkReplicateResetSyntax(cliCtx)
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// Get the alias parameter from cli
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args := cliCtx.Args()
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aliasedURL := args.Get(0)
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// Create a new Client
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client, err := newClient(aliasedURL)
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fatalIf(err, "Unable to initialize connection.")
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var olderThanStr string
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var olderThan time.Duration
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if cliCtx.IsSet("older-than") {
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olderThanStr = cliCtx.String("older-than")
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if olderThanStr != "" {
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days, e := duration.ParseDuration(olderThanStr)
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if e != nil || !strings.ContainsAny(olderThanStr, "dwy") {
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fatalIf(probe.NewError(e), "Unable to parse older-than=`"+olderThanStr+"`.")
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}
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if days == 0 {
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fatalIf(probe.NewError(e), "older-than cannot be set to zero")
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}
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olderThan = time.Duration(days.Days())
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}
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}
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replicateReset, err := client.ResetReplication(ctx, olderThan)
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fatalIf(err.Trace(args...), "Unable to reset replication")
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printMsg(replicateResetMessage{
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Op: "status",
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URL: aliasedURL,
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ResetID: replicateReset,
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})
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return nil
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}
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