Salt: Add more dependencies to systemd services

This may help Salt reload services correctly, although we still
need the script until Salt's bug with reloading services on systemd
is resolved.

Salt bug: https://github.com/saltstack/salt/issues/16778

cluster/saltbase/salt/docker/init.sls

@@ -151,6 +151,9 @@ docker:
     - enable: True
     - watch:
       - file: {{ environment_file }}
+{% if pillar.get('is_systemd') %}
+      - file: {{ pillar.get('systemd_system_path') }}/docker.service
+{% endif %}
 {% if override_docker_ver != '' %}
     - require:
       - pkg: lxc-docker-{{ override_docker_ver }}

cluster/saltbase/salt/kube-addons/init.sls

@@ -133,6 +133,8 @@ addon-dir-create:
     - group: root
     - mode: 755
 
+{% endif %}
+
 # Stop kube-addons service each time salt is executed, just in case
 # there was a modification of addons.
 # Actually, this should be handled by watching file changes, but
@@ -146,5 +148,8 @@ kube-addons:
     - enable: True
     - require:
         - service: service-kube-addon-stop
-
+    - watch:
+{% if pillar.get('is_systemd') %}
+      - file: {{ pillar.get('systemd_system_path') }}/kube-addons.service
 {% endif %}
+