feat: only allow starting and managing running services.

destroying/removing services should be handled separately, most likely by
the end user's custom code, to avoid data loss, etc...

defaults/docker_systemd_service.yml.sample

@@ -1,14 +0,0 @@
----
-# docker_systemd_service_container_name: "My-Service"
-# docker_systemd_service_image:
-# docker_systemd_service_container_env: {}
-# docker_systemd_service_container_pull_image: true
-# docker_systemd_service_container_pull_force_source: true
-# docker_systemd_service_flags: []
-# docker_systemd_service_container_cmd: []
-# docker_systemd_service_name: "{{ docker_systemd_service_container_name }}_container"
-# docker_systemd_service_systemd_options: []
-# docker_systemd_service_enabled: true
-# docker_systemd_service_masked: false
-# docker_systemd_service_state: started
-# docker_systemd_service_restart: true

defaults/main.yml

@@ -9,7 +9,5 @@ docker_systemd_service_flags: []
 docker_systemd_service_container_cmd: []
 docker_systemd_service_name: "{{ docker_systemd_service_container_name }}_container"
 docker_systemd_service_systemd_options: []
-docker_systemd_service_enabled: true
-docker_systemd_service_masked: false
-docker_systemd_service_state: started
-docker_systemd_service_restart: true
+
+docker_systemd_service_start: true

molecule/default/group_vars/all.yml

@@ -8,7 +8,4 @@ docker_systemd_service_flags: []
 docker_systemd_service_container_cmd: []
 docker_systemd_service_name: "{{ docker_systemd_service_container_name }}_container"
 docker_systemd_service_systemd_options: []
-docker_systemd_service_enabled: true
-docker_systemd_service_masked: false
-docker_systemd_service_state: stopped
-docker_systemd_service_restart: false
+docker_systemd_service_start: false

molecule/default/verify.yml

@@ -24,7 +24,7 @@
               - stat_etc_default_nginx.stat.pw_name == 'root'
               - stat_etc_default_nginx.stat.gr_name == 'root'
               - stat_etc_default_nginx.stat.mode == '0600'
-              - (slurp_etc_default_nginx.content|b64decode) == ''
+              - (slurp_etc_default_nginx.content|b64decode) == '\n'
 
     - name: "Test: service nginx_container"
       block:

molecule/default_os/group_vars/all.yml

@@ -8,7 +8,4 @@ docker_systemd_service_flags: []
 docker_systemd_service_container_cmd: []
 docker_systemd_service_name: "{{ docker_systemd_service_container_name }}_container"
 docker_systemd_service_systemd_options: []
-docker_systemd_service_enabled: true
-docker_systemd_service_masked: false
-docker_systemd_service_state: started
-docker_systemd_service_restart: true
+docker_systemd_service_start: true

molecule/default_os/verify.yml

@@ -24,7 +24,7 @@
               - stat_etc_default_nginx.stat.pw_name == 'root'
               - stat_etc_default_nginx.stat.gr_name == 'root'
               - stat_etc_default_nginx.stat.mode == '0600'
-              - (slurp_etc_default_nginx.content|b64decode) == ''
+              - (slurp_etc_default_nginx.content|b64decode) == '\n'
 
     - name: "Test: service nginx_container"
       block:

molecule/with_custom_flags/group_vars/all.yml

@@ -13,7 +13,4 @@ docker_systemd_service_flags:
 docker_systemd_service_container_cmd: []
 docker_systemd_service_name: "{{ docker_systemd_service_container_name }}_container"
 docker_systemd_service_systemd_options: []
-docker_systemd_service_enabled: true
-docker_systemd_service_masked: false
-docker_systemd_service_state: stopped
-docker_systemd_service_restart: false
+docker_systemd_service_start: false

molecule/with_custom_flags_os/group_vars/all.yml

@@ -13,7 +13,4 @@ docker_systemd_service_flags:
 docker_systemd_service_container_cmd: []
 docker_systemd_service_name: "{{ docker_systemd_service_container_name }}_container"
 docker_systemd_service_systemd_options: []
-docker_systemd_service_enabled: true
-docker_systemd_service_masked: false
-docker_systemd_service_state: started
-docker_systemd_service_restart: true
+docker_systemd_service_start: true

tasks/configure.yml

@@ -33,13 +33,4 @@
     _docker_systemd_service_need_restart: true
   when: _docker_systemd_service_env_file.changed or
         _docker_systemd_service_unit_file.changed or
-        docker_systemd_service_container_pull_image.changed
-
-- name: "Docker systemd service | Enable and start service(s)"
-  ansible.builtin.systemd:
-    name: '{{ docker_systemd_service_name }}.service'
-    daemon_reload: true
-    enabled: "{{ docker_systemd_service_enabled }}"
-    masked: "{{ docker_systemd_service_masked }}"
-    state: "{{ docker_systemd_service_state }}"
-  register: _enable_and_start
+        _docker_systemd_service_image_pull.changed

tasks/main.yml

@@ -5,13 +5,17 @@
     _docker_systemd_service_need_daemon_reload: false
     _docker_systemd_service_need_restart: false
 
-- name: "Docker systemd service | Import install.yml"
-  ansible.builtin.include_tasks: install.yml
-  when: docker_systemd_service_state != "absent"
+- name: "Docker systemd service | Import configure.yml"
+  ansible.builtin.include_tasks: configure.yml
 
-- name: "Docker systemd service | Import uninstall.yml"
-  ansible.builtin.include_tasks: uninstall.yml
-  when: docker_systemd_service_state == "absent"
+- name: "Docker systemd service | Populate service facts"
+  ansible.builtin.service_facts:
+
+- name: "Docker systemd service | Set restart-check variable"
+  ansible.builtin.set_fact:
+    _docker_systemd_service_need_restart: true
+  when:
+    - ansible_facts.services[docker_systemd_service_name~'.service'].state != 'running'
 
 - name: "Docker systemd service | Enable service: {{ docker_systemd_service_name }}"
   ansible.builtin.service:
@@ -28,4 +32,6 @@
     name: "{{ docker_systemd_service_name }}"
     state: restarted
   throttle: 1
-  when: _docker_systemd_service_need_restart
+  when:
+    - _docker_systemd_service_need_restart
+    - docker_systemd_service_start

tasks/uninstall.yml

@@ -1,22 +0,0 @@
----
-# task/uninstall file for docker_systemd_service
-- name: "Remove ENV file(s) for service(s)"
-  ansible.builtin.file:
-    path: "{{ docker_systemd_service_sysconf_dir }}/{{ docker_systemd_service_container_name }}"
-    state: absent
-
-- name: "Disable and stop service(s)"
-  ansible.builtin.systemd:
-    name: '{{ docker_systemd_service_name }}.service'
-    enabled: false
-    state: stopped
-
-- name: "Remove unit file(s) for service(s)"
-  ansible.builtin.file:
-    path: /etc/systemd/system/{{ docker_systemd_service_name }}.service
-    state: absent
-
-- name: "Reload systemd units"
-  ansible.builtin.systemd:
-    daemon_reload: true
-  changed_when: false