bundles/users: add option to enable lingering

bundles/users/items.py

@@ -1,9 +1,5 @@
 from os.path import join, exists
 
-directories = {}
-users = {}
-groups = {}
-
 files = {
     '/etc/bash.bashrc': {
         'source': 'bashrc',
@@ -76,3 +72,18 @@ for username, attrs in node.metadata['users'].items():
             files[home + '/.bashrc'] = {
                 'delete': True,
             }
+
+        if attrs.get('enable_linger', False):
+            linger_test = ''
+            linger_command = 'enable'
+        else:
+            linger_test = '!'
+            linger_command = 'disable'
+
+        actions[f'ensure_linger_state_for_user_{username}'] = {
+            'command': f'loginctl {linger_command}-linger {username}',
+            'unless': f'{linger_test} test -f /var/lib/systemd/linger/{username}',
+            'needs': {
+                f'user:{username}',
+            },
+        }