Add force option for podman_generate_systemd

Signed-off-by: nishipy <goodisonev4@gmail.com>

plugins/modules/podman_generate_systemd.py

@@ -4,6 +4,10 @@
 # 2022, Sébastien Gendre <seb@k-7.ch>
 # GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
 from __future__ import (absolute_import, division, print_function)
+from ansible_collections.containers.podman.plugins.module_utils.podman.common import compare_systemd_file_content
+import json
+from ansible.module_utils.basic import AnsibleModule
+import os
 __metaclass__ = type
 
 
@@ -27,6 +31,12 @@ options:
       - Use C(/etc/systemd/system) for the system-wide systemd instance.
       - Use C(/etc/systemd/user) or C(~/.config/systemd/user) for use with per-user instances of systemd.
     type: path
+  force:
+    description:
+      - Replace the systemd unit file(s) even if it already exists.
+      - This works with dest option.
+    type: bool
+    default: false
   new:
     description:
       - Generate unit files that create containers and pods, not only start them.
@@ -216,11 +226,6 @@ podman_command:
 '''
 
 
-import os
-from ansible.module_utils.basic import AnsibleModule
-import json
-from ansible_collections.containers.podman.plugins.module_utils.podman.common import compare_systemd_file_content
-
 RESTART_POLICY_CHOICES = [
     'no-restart',
     'on-success',
@@ -446,8 +451,13 @@ def generate_systemd(module):
                     unit_file_name,
                 )
 
-                # See if we need to write the unit file, default yes
-                need_to_write_file = bool(compare_systemd_file_content(unit_file_full_path, unit_content))
+                if module.params['force']:
+                    # Force to replace the existing unit file
+                    need_to_write_file = True
+                else:
+                    # See if we need to write the unit file, default yes
+                    need_to_write_file = bool(compare_systemd_file_content(
+                        unit_file_full_path, unit_content))
 
                 # Write the file, if needed
                 if need_to_write_file:
@@ -488,6 +498,11 @@ def run_module():
             'required': False,
             'default': False,
         },
+        'force': {
+            'type': 'bool',
+            'required': False,
+            'default': False,
+        },
         'restart_policy': {
             'type': 'str',
             'required': False,