variable "consul_address" {
  type = string
  description = "Full address of Consul instance to get catalog from"
  default = "http://127.0.0.1:5400"
}

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

job "traefik" {
  region = "global"
  datacenters = ["dc1"]

  type = "service"

  constraint {
    attribute = "${node.class}"
    value = "ingress"
  }

  group "traefik" {
    count = 1

    network  {
      port "web" {
        static = 80
      }
      port "websecure" {
        static = 443
      }
    }

    service {
      name = "traefik"
      port = "web"

      check {
        type = "http"
        path = "/ping"
        port = "web"
        interval = "10s"
        timeout = "2s"
      }

      connect {
        native = true
      }

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

    task "traefik" {
      driver = "docker"

      config {
        image = "traefik:2.6"
        args = [
          "--log.level=DEBUG",
          "--entryPoints.web.address=:80",
          "--entryPoints.websecure.address=:443",
          "--entryPoints.websecure.tls=true",
          "--entrypoints.web.http.redirections.entryPoint.to=websecure",
          # "--entryPoints.admin.address=:8080",
          "--accesslog=true",
          "--api=true",
          "--api.dashboard=true",
          # "--metrics=true",
          # "--metrics.prometheus=true",
          # "--metrics.prometheus.entryPoint=admin",
          # "--metrics.prometheus.manualrouting=true",
          "--ping=true",
          "--ping.entryPoint=web",
          "--providers.consulcatalog=true",
          "--providers.consulcatalog.connectaware=true",
          "--providers.consulcatalog.connectbydefault=true",
          "--providers.consulcatalog.exposedbydefault=false",
          "--providers.consulcatalog.endpoint.address=${var.consul_address}",
          "--providers.consulcatalog.defaultrule=Host(`{{normalize .Name}}.${var.base_hostname}`)",
        ]

        ports = ["web", "websecure"]
        network_mode = "host"

        volumes = []
      }

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