add restart handler

handlers/main.yml

@@ -0,0 +1,11 @@
+---
+- name: Restart scaler service
+  docker_compose:
+    project_src: "{{ scaler_service_directory }}"
+    pull: yes
+    remove_orphans: yes
+    stopped: "{{ inst.service_stopped | default(droneci_autoscaler_service_stopped) }}"
+    restarted: "{{ not inst.service_stopped | default(droneci_autoscaler_service_stopped) }}"
+  listen: __droneci_autoscaler_restart
+  become: True
+  become_user: root

tasks/setup.yml

@@ -43,6 +43,7 @@
       template:
         src: services/userdata.yml.j2
         dest: "{{ __droneci_autoscaler_workdir }}/userdata.yml"
+      notify: __droneci_autoscaler_restart
 
     - name: Ensure scaler is up and running
       docker_compose: