homelab-nomad/adminer.nomad

variable "base_hostname" {
  type = string
  description = "Base hostname to serve content from"
  default = "dev.homelab"
}

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

  group "adminer" {
    count = 1
    # Some affinity to stateful hosts?

    network {
      mode = "bridge"
      port "adminer" {
        host_network = "loopback"
        to = 8080
      }
    }

    service {
      port = "adminer"

      connect {
        sidecar_service {
          proxy {
            local_service_port = 8080

            upstreams {
              destination_name = "mysql-server"
              # TODO: how do I get these to not bind to the host eth0 address
              local_bind_port = 4040
            }

            config {
              protocol = "tcp"
            }
          }
        }

        sidecar_task {
          resources {
            cpu    = 50
            memory = 25
          }
        }
      }

      tags = [
        "traefik.enable=true",
        "traefik.http.routers.adminer.entrypoints=web,websecure",
        "traefik.http.routers.adminer.rule=Host(`adminer.${var.base_hostname}`)",
        "traefik.http.routers.adminer.tls=true",
      ]
    }

    task "adminer" {
      driver = "docker"

      config {
        image = "adminer"
        ports = ["adminer"]
      }

      env = {
        "ADMINER_DEFAULT_SERVER" = "${NOMAD_UPSTREAM_ADDR_mysql_server}"
      }

      resources {
        cpu = 50
        memory = 50
      }
    }
  }
}