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etcdctl: allow move-leader to connect to multiple endpoints with TLS
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Re-opening closed PR etcd-io#11775 which was originaly authored by benmoss.

The mustClientForCmd function is responsible for parsing environment
variables and flags into configuration data. A change was made in etcd-io#9382
to call Fatal if a flag is provided multiple times. This means that we
cannot call the mustClientForCmd function more than once,
since it will think that flags parsed the first time are now
being redefined and error out.

Some people have commented about this in etcd-io#8380 but I don't think
there's an open issue for it.
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zerodayz committed Mar 9, 2021
1 parent 09fcf55 commit e50f07e
Showing 1 changed file with 2 additions and 2 deletions.
4 changes: 2 additions & 2 deletions etcdctl/ctlv3/command/move_leader_command.go
Original file line number Diff line number Diff line change
Expand Up @@ -42,7 +42,8 @@ func transferLeadershipCommandFunc(cmd *cobra.Command, args []string) {
ExitWithError(ExitBadArgs, err)
}

c := mustClientFromCmd(cmd)
cfg := clientConfigFromCmd(cmd)
c := cfg.mustClient()
eps := c.Endpoints()
c.Close()

Expand All @@ -52,7 +53,6 @@ func transferLeadershipCommandFunc(cmd *cobra.Command, args []string) {
var leaderCli *clientv3.Client
var leaderID uint64
for _, ep := range eps {
cfg := clientConfigFromCmd(cmd)
cfg.endpoints = []string{ep}
cli := cfg.mustClient()
resp, serr := cli.Status(ctx, ep)
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