add option `systemd_unit_scope=global`

README.md

@@ -9,6 +9,7 @@ systemd_unit_name: some.service
 ## Optional Variables
 
 ```yaml
+systemd_unit_scope: global # all users (default: system)
 systemd_unit_config: |
   [Unit]
   Description=…
@@ -21,3 +22,8 @@ systemd_unit_state: started
 systemd_unit_enabled: yes
 systemd_unit_restart_if_active: no
 ```
+
+## Limitations
+
+For `systemd_unit_scope != "system"` the following features are not yet supported:
+automatic daemon reloads, changing unit's state and enabling/disabling units

defaults/main.yml

@@ -1 +1,2 @@
+systemd_unit_scope: system # alternative: 'global' (all users)
 systemd_unit_restart_if_active: no

tasks/main.yml

@@ -1,17 +1,20 @@
 - name: 'configure systemd unit {{ systemd_unit_name }}'
   copy:
-    dest: '/etc/systemd/system/{{ systemd_unit_name }}'
+    dest: '{{ _config_dir_path }}/{{ systemd_unit_name }}'
     content: |
       # ansible managed
       {{ systemd_unit_config }}
     mode: a=r
+  vars: &copy_config_file_vars
+    _config_dir_path: '/etc/systemd/{{ "user" if (systemd_unit_scope == "global") else systemd_unit_scope }}'
   register: _config_file
   when: systemd_unit_config is defined
 - name: 'create parent folder for drop-in config files of systemd unit {{ systemd_unit_name }}'
   file:
-    path: '/etc/systemd/system/{{ systemd_unit_name }}.d'
+    path: '{{ _config_dir_path }}/{{ systemd_unit_name }}.d'
     state: directory
     mode: u=rwx,go=rx
+  vars: *copy_config_file_vars
   register: _dropin_config_dir
   when: systemd_unit_dropin_config is defined
 - name: 'configure systemd unit {{ systemd_unit_name }} via drop-in config'
@@ -30,7 +33,8 @@
   systemd:
     name: '{{ systemd_unit_name }}'
   register: _unit
-  when: _config_file.changed or _dropin_config_file.changed or systemd_unit_restart_if_active
+  when: systemd_unit_scope == 'system'
+    and (_config_file.changed or _dropin_config_file.changed or systemd_unit_restart_if_active)
 - name: 'set state of systemd unit {{ systemd_unit_name }}'
   systemd:
     daemon_reload: '{{ _config_file.changed or _dropin_config_file.changed }}'
@@ -48,10 +52,12 @@
                          and _unit.status.ActiveState == "active"
          else systemd_unit_state | default(omit) }}
   when: >-
-    _config_file.changed
-    or _dropin_config_file.changed
-    or systemd_unit_enabled is defined
-    or systemd_unit_state is defined
-    or (systemd_unit_restart_if_active
-        and 'ActiveState' in _unit.status
-        and _unit.status.ActiveState == "active")
+    systemd_unit_scope == 'system'
+    and (_config_file.changed
+      or _dropin_config_file.changed
+      or systemd_unit_enabled is defined
+      or systemd_unit_state is defined
+      or (systemd_unit_restart_if_active
+          and 'ActiveState' in _unit.status
+          and _unit.status.ActiveState == "active")
+    )