add option to expose ports

defaults/main.yml

@@ -58,6 +58,7 @@ droneci_autoscaler_instances: []
 #     agent_concurrency: 15
 #     agent_architecture: amd64
 #     sshkey: "dummy"
+#     api_host: "drone-amd64.example.com"
 #     provider_config:
 #       - name: DRONE_HETZNERCLOUD_DATACENTER
 #         value: fsn1
@@ -111,5 +112,11 @@ droneci_autoscaler_networks:
   - name: droneci_default
     external: True
 
+# @var droneci_autoscaler_exposed_ports: $ "_unset_"
+# @var droneci_autoscaler_exposed_ports:example: >
+# droneci_autoscaler_exposed_ports:
+#   - "8080:8080"
+# @end
+
 droneci_autoscaler_networks_applied:
   - droneci_default

templates/services/droneci_autoscaler_compose.yml.j2

@@ -7,6 +7,12 @@ services:
     container_name: {{ inst.name }}
     image: {{ droneci_autoscaler_image }}
     restart: {{ droneci_autoscaler_restart_policy }}
+    {% if droneci_autoscaler_exposed_ports | default([]) %}
+    ports:
+      {% for port in droneci_autoscaler_exposed_ports %}
+      - {{ port | quote }}
+      {% endfor %}
+    {% endif %}
     volumes:
       - "{{ __droneci_autoscaler_workdir }}/userdata.yml:/etc/scaler/userdata.yml:Z"
       - "{{ __droneci_autoscaler_workdir }}/ssh_key:/root/.ssh/id_rsa:ro,Z"
@@ -44,6 +50,9 @@ services:
       {% if inst.agent_volumes | default(droneci_autoscaler_agent_volumes) | default(False) %}
       - DRONE_AGENT_VOLUMES={{ inst.agent_volumes | default(droneci_autoscaler_agent_volumes) | join(",") }}
       {% endif %}
+      {% if inst.api_host is defined %}
+      - DRONE_HTTP_HOST={{ inst.api_host }}
+      {% endif %}
       {% if inst.runner_volumes | default(droneci_autoscaler_runner_volumes) | default(False) %}
       - DRONE_RUNNER_VOLUMES={{ inst.runner_volumes | default(droneci_autoscaler_runner_volumes) | join(",") }}
       {% endif %}