consul-client

# /var/log/consul/consul.log
==> Starting Consul agent...
==> Starting Consul agent RPC...
==> Consul agent running!
           Version: 'v0.7.5'
           Node ID: '788e2702-f4df-425d-bbad-8e282351f4d5'
         Node name: 'ip-172-21-8-118'
        Datacenter: 'beta'
            Server: false (bootstrap: false)
       Client Addr: 0.0.0.0 (HTTP: 8500, HTTPS: -1, DNS: 8600, RPC: 8400)
      Cluster Addr: 172.17.22.118 (LAN: 8301, WAN: 8302)
    Gossip encrypt: true, RPC-TLS: false, TLS-Incoming: false
             Atlas: <disabled>

==> Log data will now stream in as it occurs:

    2017/03/09 11:45:27 [INFO] serf: EventMemberJoin: ip-172-21-8-118 172.17.22.118
    2017/03/09 11:45:27 [WARN] manager: No servers available
    2017/03/09 11:45:27 [ERR] agent: failed to sync remote state: No known Consul servers
    2017/03/09 11:45:27 [INFO] agent: Joining cluster...
    2017/03/09 11:45:27 [INFO] agent: (LAN) joining: [172.21.8.100]
    2017/03/09 11:45:27 [INFO] agent: (LAN) joined: 0 Err: 1 error(s) occurred:

* Failed to join 172.21.8.100: EOF
    2017/03/09 11:45:27 [WARN] agent: Join failed: <nil>, retrying in 30s


# consul config
{
    "ui": false,
    "start_join": [],
    "retry_join": ["172.21.8.100"],
    "retry_interval": "30s",
    "retry_max": 0,
    "domain": "consul",
    "data_dir": "/opt/consul/data",
    "dns_config": {
        "allow_stale": true,
        "max_stale": "5s",
        "node_ttl": "0s",
        "service_ttl": {
            "*": "0s"
        },
    "enable_truncate": false,
    "only_passing": false
  },
    "recursors": ["8.8.8.8", "169.254.169.253"],
    "log_level": "INFO",
    "enable_syslog": true,
    "node_name": "ip-172-21-8-118",
    "client_addr": "0.0.0.0",
    "bind_addr": "172.17.22.118",
    "advertise_addr": "172.17.22.118",
    "datacenter": "beta",
    "encrypt": "XXXXXXXXXXXXXXXXXXXsdf==",
    "ports": {
        "dns": 8600,
        "http": 8500,
        "https": -1,
        "rpc": 8400,
        "serf_lan": 8301,
        "serf_wan": 8302,
        "server": 8300
    },
    "rejoin_after_leave": true,
    "leave_on_terminate": false
}


# consul members
Node              Address             Status  Type    Build  Protocol  DC
ip-172-21-8-118  172.17.22.118:8301  alive   client  0.7.5  2         beta

consul-server

# /var/log/consul/consul.log
    2017/03/09 11:45:18 [ERR] memberlist: failed to receive: No installed keys could decrypt the message from=172.21.8.111:37372
    2017/03/09 11:45:27 [ERR] memberlist: failed to receive: No installed keys could decrypt the message from=172.21.8.111:37376
    2017/03/09 11:45:57 [ERR] memberlist: failed to receive: No installed keys could decrypt the message from=172.21.8.111:37382

# config
{
    "ui": true,
    "start_join": [],
    "retry_join": [],
    "retry_interval": "30s",
    "retry_max": 0,
    "domain": "consul.",
    "data_dir": "/opt/consul/data",
    "dns_config": {
        "allow_stale": false,
        "max_stale": "5s",
        "node_ttl": "0s",
        "service_ttl": {
            "*": "0s"
        },
    "enable_truncate": false,
    "only_passing": false
  },
    "recursors": ["8.8.8.8", "169.254.169.253"],
    "log_level": "INFO",
    "enable_syslog": true,
    "node_name": "ip-172-21-8-100",
    "client_addr": "0.0.0.0",
    "bind_addr": "172.21.8.100",
    "advertise_addr": "172.21.8.100",
    "datacenter": "beta",
    "server":  true,
    "bootstrap_expect": 1,
    "disable_remote_exec": true,
    "encrypt": "XXXXXXXXXXXXXXXXXXXsdf==",
    "ports": {
        "dns": 8600,
        "http": 8500,
        "https": -1,
        "rpc": 8400,
        "serf_lan": 8301,
        "serf_wan": 8302,
        "server": 8300
    },
    "rejoin_after_leave": true,
    "leave_on_terminate": false
}


# consul members
Node              Address             Status  Type    Build  Protocol  DC
ip-172-21-8-100  172.21.8.100:8301  alive   server  0.7.5  2         beta
ip-172-21-8-112   172.21.8.112:8301   left    client  0.7.5  2         beta


# consul keyring --list
==> Gathering installed encryption keys...
==> Done!
WAN:
  XXXXXXXXXXXXXXXXXXXsdQ== [1/1]
beta (LAN):
  XXXXXXXXXXXXXXXXXXXsdQ== [1/1]