Consul log

gistfile1.txt

swarm: docker logs $(docker ps -a -q | head -1)
bootstrap_expect is even number: A cluster with an even number of servers does not achieve optimum fault tolerance. See https://www.consul.io/docs/internals/consensus.html#deployment-table
bootstrap_expect > 0: expecting 4 servers
==> Starting Consul agent...
==> Consul agent running!
           Version: 'v1.0.0'
           Node ID: 'ea7ea507-e240-4969-a9fc-d49140e89bb6'
         Node name: 'docker-swarm1-manager1'
        Datacenter: 'dc1' (Segment: '<all>')
            Server: true (Bootstrap: false)
       Client Addr: [0.0.0.0] (HTTP: 8500, HTTPS: -1, DNS: 8600)
      Cluster Addr: 172.31.30.188 (LAN: 8301, WAN: 8302)
           Encrypt: Gossip: false, TLS-Outgoing: false, TLS-Incoming: false

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

    2017/11/08 16:11:23 [DEBUG] Using random ID "ea7ea507-e240-4969-a9fc-d49140e89bb6" as node ID
    2017/11/08 16:11:23 [INFO] raft: Initial configuration (index=0): []
    2017/11/08 16:11:23 [INFO] raft: Node at 172.31.30.188:8300 [Follower] entering Follower state (Leader: "")
    2017/11/08 16:11:23 [INFO] serf: EventMemberJoin: docker-swarm1-manager1.dc1 172.31.30.188
    2017/11/08 16:11:23 [INFO] serf: EventMemberJoin: docker-swarm1-manager1 172.31.30.188
    2017/11/08 16:11:23 [INFO] agent: Started DNS server 0.0.0.0:8600 (udp)
    2017/11/08 16:11:23 [INFO] consul: Adding LAN server docker-swarm1-manager1 (Addr: tcp/172.31.30.188:8300) (DC: dc1)
    2017/11/08 16:11:23 [INFO] consul: Handled member-join event for server "docker-swarm1-manager1.dc1" in area "wan"
    2017/11/08 16:11:23 [INFO] agent: Started DNS server 0.0.0.0:8600 (tcp)
    2017/11/08 16:11:23 [INFO] agent: Started HTTP server on [::]:8500 (tcp)
    2017/11/08 16:11:23 [INFO] agent: Retry join LAN is supported for: aws azure gce softlayer
    2017/11/08 16:11:23 [INFO] agent: Joining LAN cluster...
    2017/11/08 16:11:23 [ERR] agent: Join LAN: discover: no provider
    2017/11/08 16:11:23 [WARN] agent: Join LAN failed: No servers to join, retrying in 30s
    2017/11/08 16:11:30 [ERR] agent: failed to sync remote state: No cluster leader
    2017/11/08 16:11:31 [WARN] raft: no known peers, aborting election
    2017/11/08 16:11:53 [ERR] agent: Join LAN: discover: no provider
    2017/11/08 16:11:53 [WARN] agent: Join LAN failed: No servers to join, retrying in 30s
    2017/11/08 16:11:57 [ERR] agent: Coordinate update error: No cluster leader
    2017/11/08 16:12:03 [ERR] agent: failed to sync remote state: No cluster leader