variable "config_data" {
  type = string
  description = "Authelia YAML config"
}

job "authelia" {
  datacenters = ["dc1"]
  type = "service"
  priority = 80

  group "authelia" {
    count = 1

    network  {
      mode = "bridge"

      port "main" {
        host_network = "loopback"
        to = 9091
      }

      port "metrics" {
        to = 9959
      }
    }

    service {
      name = "authelia"
      port = "main"

      meta {
        metrics_addr = "${NOMAD_ADDR_metrics}"
      }

      connect {
        sidecar_service {
          proxy {
            local_service_port = 9091

            expose {
              path {
                path = "/metrics"
                protocol = "http"
                local_path_port = 9959
                listener_port = "metrics"
              }
            }

            upstreams {
              destination_name = "ldap"
              local_bind_port = 4820
            }

            upstreams {
              destination_name = "redis"
              local_bind_port = 6379
            }
          }
        }

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

      tags = [
        "traefik.enable=true",
        "traefik.http.middlewares.authelia.forwardAuth.address=http://authelia.service.consul/api/verify?rd=https%3A%2F%2Fauthelia.thefij.rocks%2F",
        "traefik.http.middlewares.authelia.forwardAuth.trustForwardHeader=true",
        "traefik.http.middlewares.authelia.forwardAuth.authResponseHeaders=Remote-User,Remote-Groups,Remote-Name,Remote-Email",
        "traefik.http.middlewares.authelia-basic.forwardAuth.address=http://authelia.service.consul/api/verify?auth=basic",
        "traefik.http.middlewares.authelia-basic.forwardAuth.trustForwardHeader=true",
        "traefik.http.middlewares.authelia-basic.forwardAuth.authResponseHeaders=Remote-User,Remote-Groups,Remote-Name,Remote-Email",
      ]
    }

    task "authelia" {
      driver = "docker"

      config {
        image = "authelia/authelia"

        ports = ["main"]

        mount {
          type = "bind"
          target = "/config"
          source = "config"
        }
      }

      vault {
        policies = [
          "access-tables",
          "nomad-task",
        ]
      }

      template {
        data = var.config_data
        destination = "/config/configuration.yml"
      }

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