User locking (#702)

* function to check if a user is locked already

Signed-off-by: E.S. Rosenberg a.k.a. Keeper of the Keys <es.rosenberg+github@gmail.com>

* Add the location and logic of where I think user locking would happen.

Signed-off-by: E.S. Rosenberg a.k.a. Keeper of the Keys <es.rosenberg+github@gmail.com>

* Fix missing parameters for execute()

Signed-off-by: E.S. Rosenberg a.k.a. Keeper of the Keys <es.rosenberg+github@gmail.com>

* Add the locked attribute

Signed-off-by: E.S. Rosenberg a.k.a. Keeper of the Keys <es.rosenberg+github@gmail.com>

* Initial user locking integration tests

Signed-off-by: E.S. Rosenberg a.k.a. Keeper of the Keys <es.rosenberg+github@gmail.com>

* Add attribute documentation

Signed-off-by: E.S. Rosenberg a.k.a. Keeper of the Keys <es.rosenberg+github@gmail.com>

* More descriptive names in the integration tests

Signed-off-by: E.S. Rosenberg a.k.a. Keeper of the Keys <es.rosenberg+github@gmail.com>

* - Changes requested/suggested by @Andersson007
- Example usage
- Changelog fragment

Signed-off-by: E.S. Rosenberg a.k.a. Keeper of the Keys <es.rosenberg+github@gmail.com>

* Fix user_is_locked and remove host_all option.

Signed-off-by: E.S. Rosenberg a.k.a. Keeper of the Keys <es.rosenberg+github@gmail.com>

* Fix host of user (was % should have been localhost after deleting `host:` earlier)

Signed-off-by: E.S. Rosenberg a.k.a. Keeper of the Keys <es.rosenberg+github@gmail.com>

* Switch locked to named instead of positional.

Signed-off-by: E.S. Rosenberg a.k.a. Keeper of the Keys <es.rosenberg+github@gmail.com>

* Add check_mode support.

Signed-off-by: E.S. Rosenberg a.k.a. Keeper of the Keys <es.rosenberg+github@gmail.com>

* Add check_mode: true test cases

Signed-off-by: E.S. Rosenberg a.k.a. Keeper of the Keys <es.rosenberg+github@gmail.com>

* Fix names that included `check_mode: true`

Signed-off-by: E.S. Rosenberg a.k.a. Keeper of the Keys <es.rosenberg+github@gmail.com>

* Add idempotence checks

Signed-off-by: E.S. Rosenberg a.k.a. Keeper of the Keys <es.rosenberg+github@gmail.com>

* Switch calls to user_mod with sequences of None positional arguments to full named arguments

Signed-off-by: E.S. Rosenberg a.k.a. Keeper of the Keys <es.rosenberg+github@gmail.com>

* locked check should not run for roles.

Signed-off-by: E.S. Rosenberg a.k.a. Keeper of the Keys <es.rosenberg+github@gmail.com>

* check_mode is set at the task level and not the module level

Signed-off-by: E.S. Rosenberg a.k.a. Keeper of the Keys <es.rosenberg+github@gmail.com>

* Add user locking to info module and test.

Signed-off-by: E.S. Rosenberg a.k.a. Keeper of the Keys <es.rosenberg+github@gmail.com>

* Handle DictCursor

Signed-off-by: E.S. Rosenberg a.k.a. Keeper of the Keys <es.rosenberg+github@gmail.com>


* Add check_mode feedback

Signed-off-by: E.S. Rosenberg a.k.a. Keeper of the Keys <es.rosenberg+github@gmail.com>


* Add another builtin account to the exclusion list

Signed-off-by: E.S. Rosenberg a.k.a. Keeper of the Keys <es.rosenberg+github@gmail.com>

* Initial switch to default=None for locked, will need to add a test for it.

Signed-off-by: E.S. Rosenberg a.k.a. Keeper of the Keys <es.rosenberg+github@gmail.com>

* Add check that missing locked argument does not unlock a user

Signed-off-by: E.S. Rosenberg a.k.a. Keeper of the Keys <es.rosenberg+github@gmail.com>
---------

Signed-off-by: E.S. Rosenberg a.k.a. Keeper of the Keys <es.rosenberg+github@gmail.com>

tests/integration/targets/test_mysql_info/tasks/filter_users_info.yml

@@ -261,6 +261,7 @@
         resource_limits: "{{ item.resource_limits | default(omit) }}"
         column_case_sensitive: true
         state: present
+        locked: "{{ item.locked | default(omit) }}"
       loop: "{{ result.users_info }}"
       loop_control:
         label: "{{ item.name }}@{{ item.host }}"
@@ -275,6 +276,7 @@
         - item.name != 'mariadb.sys'
         - item.name != 'mysql.sys'
         - item.name != 'mysql.infoschema'
+        - item.name != 'mysql.session'
 
 
     # ================================== Cleanup ============================