Amends #47040 - influxdb_user - Prevents potential accidental password changes to blank (#49084)

* Amends #47040 - Prevents potential accidental password changes to blank

* Added changelog fragment

changelogs/fragments/49084-influxdb_user-default-password-fix.yaml

@@ -0,0 +1,3 @@
+---
+bugfixes:
+  - influxdb_user - An unspecified password now sets the password to blank, except on existing users. This previously caused an unhandled exception.

lib/ansible/modules/database/influxdb/influxdb_user.py

@@ -157,7 +157,7 @@ def main():
 
     state = module.params['state']
     user_name = module.params['user_name']
-    user_password = module.params['user_password'] or ''
+    user_password = module.params['user_password']
     admin = module.params['admin']
     influxdb = influx.InfluxDb(module)
     client = influxdb.connect_to_influxdb()
@@ -167,7 +167,7 @@ def main():
         if user:
             changed = False
 
-            if not check_user_password(module, client, user_name, user_password):
+            if not check_user_password(module, client, user_name, user_password) and user_password is not None:
                 set_user_password(module, client, user_name, user_password)
                 changed = True
 
@@ -183,6 +183,7 @@ def main():
 
             module.exit_json(changed=changed)
         else:
+            user_password = user_password or ''
             create_user(module, client, user_name, user_password, admin)
 
     if state == 'absent':