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From 7ad700a716c2122c3b6db6677a6f717919b88926 Mon Sep 17 00:00:00 2001
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From: Jan Chaloupka <jchaloup@redhat.com>
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Date: Tue, 2 May 2017 09:56:02 +0200
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Subject: [PATCH] bz1350875-disaster-recovery-with-copies:
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---
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etcdctl/ctlv2/command/backup_command.go | 19 +++++++++++++++++--
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1 file changed, 17 insertions(+), 2 deletions(-)
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diff --git a/etcdctl/ctlv2/command/backup_command.go b/etcdctl/ctlv2/command/backup_command.go
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index feda4b1..e77791f 100644
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--- a/etcdctl/ctlv2/command/backup_command.go
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+++ b/etcdctl/ctlv2/command/backup_command.go
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@@ -18,6 +18,7 @@ import (
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"fmt"
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"log"
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"path/filepath"
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+ "strconv"
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"time"
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"github.com/coreos/etcd/etcdserver/etcdserverpb"
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@@ -40,6 +41,9 @@ func NewBackupCommand() cli.Command {
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cli.StringFlag{Name: "wal-dir", Value: "", Usage: "Path to the etcd wal dir"},
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cli.StringFlag{Name: "backup-dir", Value: "", Usage: "Path to the backup dir"},
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cli.StringFlag{Name: "backup-wal-dir", Value: "", Usage: "Path to the backup wal dir"},
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+ cli.BoolFlag{Name: "keep-cluster-id", Usage: "Do not rewrite the cluster id"},
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+ cli.StringFlag{Name: "node-id", Value: "", Usage: "Use custom node id instead of a random value"},
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+
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},
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Action: handleBackup,
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}
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@@ -99,8 +103,19 @@ func handleBackup(c *cli.Context) error {
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var metadata etcdserverpb.Metadata
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pbutil.MustUnmarshal(&metadata, wmetadata)
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idgen := idutil.NewGenerator(0, time.Now())
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- metadata.NodeID = idgen.Next()
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- metadata.ClusterID = idgen.Next()
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+ explicitNodeId := c.String("node-id")
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+ if explicitNodeId != "" {
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+ metadata.NodeID, err = strconv.ParseUint(explicitNodeId, 16, 64)
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+ if err != nil {
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+ log.Fatal(err)
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+ }
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+ } else {
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+ metadata.NodeID = idgen.Next()
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+ }
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+ keepClusterId := c.Bool("keep-cluster-id")
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+ if !keepClusterId {
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+ metadata.ClusterID = idgen.Next()
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+ }
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neww, err := wal.Create(destWAL, pbutil.MustMarshal(&metadata))
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if err != nil {
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--
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2.7.4
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