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Command: server members

The server members command displays a list of the known servers in the cluster and their current status. Member information is provided by the gossip protocol, which is only run on server nodes.

Usage

nomad server members [options]

If ACLs are enabled, this option requires a token with the node:read capability.

General Options

  • -address=<addr>: The address of the Nomad server. Overrides the NOMAD_ADDR environment variable if set. Defaults to http://127.0.0.1:4646.

  • -region=<region>: The region of the Nomad server to forward commands to. Overrides the NOMAD_REGION environment variable if set. Defaults to the Agent's local region.

  • -no-color: Disables colored command output. Alternatively, NOMAD_CLI_NO_COLOR may be set. This option takes precedence over -force-color.

  • -force-color: Forces colored command output. This can be used in cases where the usual terminal detection fails. Alternatively, NOMAD_CLI_FORCE_COLOR may be set. This option has no effect if -no-color is also used.

  • -ca-cert=<path>: Path to a PEM encoded CA cert file to use to verify the Nomad server SSL certificate. Overrides the NOMAD_CACERT environment variable if set.

  • -ca-path=<path>: Path to a directory of PEM encoded CA cert files to verify the Nomad server SSL certificate. If both -ca-cert and -ca-path are specified, -ca-cert is used. Overrides the NOMAD_CAPATH environment variable if set.

  • -client-cert=<path>: Path to a PEM encoded client certificate for TLS authentication to the Nomad server. Must also specify -client-key. Overrides the NOMAD_CLIENT_CERT environment variable if set.

  • -client-key=<path>: Path to an unencrypted PEM encoded private key matching the client certificate from -client-cert. Overrides the NOMAD_CLIENT_KEY environment variable if set.

  • -tls-server-name=<value>: The server name to use as the SNI host when connecting via TLS. Overrides the NOMAD_TLS_SERVER_NAME environment variable if set.

  • -tls-skip-verify: Do not verify TLS certificate. This is highly not recommended. Verification will also be skipped if NOMAD_SKIP_VERIFY is set.

  • -token: The SecretID of an ACL token to use to authenticate API requests with. Overrides the NOMAD_TOKEN environment variable if set.

Server Members Options

  • -detailed (deprecated use -verbose instead): Dump the basic member information as well as the raw set of tags for each member. This mode reveals additional information not displayed in the standard output format.

  • -verbose: Dump the basic member information as well as the raw set of tags for each member. This mode reveals additional information not displayed in the standard output format.

Examples

Default view:

$ nomad server members
Name             Address    Port  Status  Leader  Raft Version  Build  Datacenter  Region
server-1.global  10.0.0.8   4648  alive   true    3             1.3.0  dc1         global
server-2.global  10.0.0.9   4648  alive   false   3             1.3.0  dc1         global
server-3.global  10.0.0.10  4648  alive   false   3             1.3.0  dc1         global

Verbose view:

$ nomad server members -verbose
Name             Address    Port  Status  Leader  Protocol  Raft Version  Build  Datacenter  Region  Tags
server-1.global  10.0.0.8   4648  alive   true    2         3             1.3.0  dc1         global  id=46122039-7c4d-4647-673a-81786bce2c23,rpc_addr=10.0.0.8,role=nomad,region=global,raft_vsn=3,expect=3,dc=dc1,build=1.3.0,port=4647
server-2.global  10.0.0.9   4648  alive   false   2         3             1.3.0  dc1         global  id=04594bee-fec9-4cec-f308-eebe82025ae7,dc=dc1,expect=3,rpc_addr=10.0.0.9,raft_vsn=3,port=4647,role=nomad,region=global,build=1.3.0
server-3.global  10.0.0.10  4648  alive   false   2         3             1.3.0  dc1         global  region=global,dc=dc1,rpc_addr=10.0.0.10,raft_vsn=3,build=1.3.0,expect=3,id=59542f6c-fb0e-50f1-4c9f-98bb593e9fe8,role=nomad,port=4647
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