DM cluster can't start while -hostname use FQDN

[XuJianxu]

What did you do?

• use FQDN in -hostname area
• deploy DM cluster
• try to start dm cluster

What did you expect to see?

DM cluster can start as expect.

What did you see instead?

start dm cluster failed

Versions of the cluster

DM version (run dmctl -V or dm-worker -V or dm-master -V):

v6.1.0

Upstream MySQL/MariaDB server version:

(paste upstream MySQL/MariaDB server version here)

Downstream TiDB cluster version (execute SELECT tidb_version(); in a MySQL client):

(paste TiDB cluster version here)

How did you deploy DM: tiup or manually?

(leave TiUP or manually here)

Other interesting information (system version, hardware config, etc):

>
>

current status of DM cluster (execute query-status <task-name> in dmctl)

(paste current status of DM cluster here)

[XuJianxu]

yaml file:
global:
user: "tidb"
ssh_port: 22
deploy_dir: "/dm-deploy"
data_dir: "/dm_data"
master_servers:

• host: tiup-peer
  port: 8261
  peer_port: 8291
  worker_servers:
• host: tiup-peer
  port: 8262
  monitoring_servers:
• host: tiup-peer
  grafana_servers:
• host: tiup-peer

[lance6716]

maybe this is a TiUP bug? what's the error

[XuJianxu]

While use FQDN, below error reported
[2022/05/30 16:11:35.757 +08:00] [ERROR] [main.go:71] ["fail to start dm-master"] [error="[code=38037:class=dm-master:scope=internal:level=high], Message: fail to validate embed etcd config, RawCause: expected IP in URL for binding (http://tiup-peer:8291/), Workaround: Please check configs in master configuration file."] errorVerbose="[code=38037:class=dm-master:scope=internal:level=high], Message: fail to validate embed etcd config, RawCause: expected IP in URL for binding (http://tiup-peer:8291/), Workaround: Please check configs in master configuration file.[ngithub.com/pingcap/tiflow/dm/pkg/terror.(*Error).Delegate\n\tgithub.com/pingcap/tiflow/dm/pkg/terror/terror.go:315\ngithub.com/pingcap/tiflow/dm/pkg/terror.(*Error).AnnotateDelegate\n\tgithub.com/pingcap/tiflow/dm/pkg/terror/terror.go:324\ngithub.com/pingcap/tiflow/dm/dm/master.(*Config).genEmbedEtcdConfig\n\tgithub.com/pingcap/tiflow/dm/dm/master/config.go:392\ngithub.com/pingcap/tiflow/dm/dm/master.(*Server).Start\n\tgithub.com/pingcap/tiflow/dm/dm/master/server.go:169\nmain.main\n\tgithub.com/pingcap/tiflow/dm/cmd/dm-master/main.go:69\nruntime.main\n\truntime/proc.go:250\nruntime.goexit\n\truntime/asm_amd64.s:1571"]

[D3Hunter]

etct listen addr must be ip

see etcd-io/etcd#9575

[nexustar]

template in tiup-dm is --peer-urls="{{.Scheme}}://{{.IP}}:{{.PeerPort}}" I think the right one should be --peer-urls="{{.Scheme}}://0.0.0.0:{{.PeerPort}}"

[XuJianxu]

Close this issue cause tiup team will fix this issue