vernemq.nomad.hcl

vernemq.nomad.hcl

job "verneMQ" {
  datacenters = ["dc1"]
  type = "service"

  group "verneMQ" {
    count = 3  

    restart {
      attempts = 3
      interval = "30s"
      delay    = "15s"
      mode     = "delay"
    }

    task "verneMQ" {
      driver = "docker"

      config {
        image = "vernemq/vernemq:latest"
        port_map {
          mqtt = 1883
          mqtts = 8883
          mgmt = 8888
          ws = 8080
          wss = 8081
        }

        env {
          VMQ_DISCOVERY_NODE = "consul"
          VMQ_DISCOVERY_HOST = "consul.service.consul"  # Replace with your Consul service address.
          VMQ_DISCOVERY_INTERVAL = "5s"  # Adjust discovery interval as needed.
          DOCKER_VERNEMQ_ALLOW_ANONYMOUS = "on" # set to off when working and users configured
          DOCKER_VERNEMQ_ACCEPT_EULA = "yes"
          DOCKER_VERNEMQ_PLUGINS = "vmq_passwd=on,vmq_acl=on,vmq_webhooks=on"
          DOCKER_VERNEMQ_DISCOVERY_CONSUL = "1"
        }

        volumes = [
          "/path/to/your/vernemq.conf:/etc/vernemq/vernemq.conf",
          "/path/to/passwords:/etc/vernemq/passwords",
          "/path/to/logs:/var/log/vernemq",
          "/path/to/acl:/etc/vernemq/acl"
        ]
      }

      resources {
        cpu    = 500   # CPU resources (in MHz)
        memory = 256   # Memory resources (in MB)
      }

      # Specify health checks for VerneMQ instances
      check {
        type     = "tcp"
        name     = "tcp"
        interval = "10s"
        timeout  = "2s"
      }

      # Consul service registration for VerneMQ
      service {
        name = "vernemq"
        port = "mqtt"
        tags = ["vernemq"]
        check {
          type     = "tcp"
          interval = "10s"
          timeout  = "2s"
        }
      }
    }

    network {
      mode = "bridge"
    }

    template {
      data = <<EOF
# Contents of vernemq.conf
#
listener.tcp.allowed_protocol_versions = 3,4,5
listener.tcp.default = 0.0.0.0:1883
listener.tcp.local = 127.0.0.1:1883
listener.http.default = 127.0.0.1:8888
listener.ws.default = 127.0.0.1:8080
EOF
      destination = "local/vernemq.conf"
      change_mode = "signal"
    }

    template {
      data = <<EOF
# Contents of acl.conf
# ...
EOF
      destination = "local/acl.conf"
      change_mode = "signal"
    }

    template {
      data = <<EOF
# Contents of vmq.passwd
# ...
EOF
      destination = "local/vmq.passwd"
      change_mode = "signal"
    }
  }
}