docker: ensure docker controller runs until controller helper is done during shutdown

Author: saltydk

roles/docker/tasks/subtasks/controller.yml

@@ -88,7 +88,7 @@
     method: POST
     timeout: 600
 
-- name: Controller | Import 'saltbox_managed_docker_controller.service'
+- name: Controller | Import 'saltbox_managed_docker_controller_helper.service'
   ansible.builtin.template:
     src: docker-controller-helper.service.j2
     dest: /etc/systemd/system/saltbox_managed_docker_controller_helper.service

roles/docker/templates/docker-controller-helper.service.j2

@@ -11,7 +11,7 @@
 [Unit]
 Description=Saltbox Docker Controller Helper
 BindsTo=docker.service
-After=docker.service
+After=docker.service saltbox_managed_docker_controller_helper.service
 
 [Service]
 ExecStart=/srv/ansible/venv/bin/python3 /srv/git/saltbox/scripts/saltbox_docker_controller_helper.py

roles/docker/templates/docker-controller.service.j2

@@ -10,6 +10,7 @@
 
 [Unit]
 Description=Saltbox Docker Controller
+After=docker.service
 
 [Service]
 Type=simple