renamed new option to force_context

enhanced description
added tests

plugins/modules/mysql_user.py

@@ -74,10 +74,16 @@ options:
       - Whether binary logging should be enabled or disabled for the connection.
     type: bool
     default: yes
-  db_context:
+  force_context:
     description:
-      - Sets the С(mysql) system database as context for the executed statements (it will be used as a database to connect to). Useful if you use 
-        binlog / replication filters in MySQL.
+      - Sets the С(mysql) system database as context for the executed statements (it will be used
+        as a database to connect to). Useful if you use binlog / replication filters in MySQL as
+        per default the statements can not be caught by a binlog / replication filter, they require
+        a database to be set to work.
+      - see U(https://dev.mysql.com/doc/refman/8.0/en/replication-options-binary-log.html#option_mysqld_binlog-ignore-db)
+        for a description on how binlog filters work (filtering on the primary).
+      - see U(https://dev.mysql.com/doc/refman/8.0/en/replication-options-replica.html#option_mysqld_replicate-ignore-db)
+        for a description on how replication filters work (filtering on the replica).
     type: bool
     default: no
     version_added: '3.1.0'
@@ -348,7 +354,7 @@ def main():
         plugin_hash_string=dict(default=None, type='str'),
         plugin_auth_string=dict(default=None, type='str'),
         resource_limits=dict(type='dict'),
-        db_context=dict(type='bool', default=False),
+        force_context=dict(type='bool', default=False),
     )
     module = AnsibleModule(
         argument_spec=argument_spec,
@@ -374,7 +380,7 @@ def main():
     ssl_ca = module.params["ca_cert"]
     check_hostname = module.params["check_hostname"]
     db = ''
-    if module.params["db_context"]:
+    if module.params["force_context"]:
         db = 'mysql'
     sql_log_bin = module.params["sql_log_bin"]
     plugin = module.params["plugin"]

tests/integration/targets/test_mysql_replication/tasks/issue-28.yml

@@ -30,6 +30,7 @@
         <<: *mysql_params
         name: '{{ user_name_1 }}'
         state: absent
+        force_context: yes
       ignore_errors: yes
 
     - name: create user with ssl requirement
@@ -38,6 +39,7 @@
         name: "{{ user_name_1 }}"
         password: "{{ user_password_1 }}"
         priv: '*.*:ALL,GRANT'
+        force_context: yes
         tls_requires:
           SSL:
 
@@ -84,3 +86,4 @@
         name: '{{ user_name_1 }}'
         host: 127.0.0.1
         state: absent
+        force_context: yes