add mariadb_underscore_autoupdate variable

defaults/main.yml

@@ -100,5 +100,6 @@ mariadb_priv:
   - UPDATE
 # mariadb_username:
 
+mariadb_underscore_autoupdate: false
 mariadb_verify: true
 ...

meta/argument_specs.yml

@@ -888,6 +888,10 @@ argument_specs:
         type: dict
         required: false
         description: Internal result from stating the /root/timezoneinfo.sql file.
+      mariadb_underscore_autoupdate:
+        type: bool
+        required: true
+        description: Automatically update MariaDB configuration to change dashes to underscores without failing for manual check.
       mariadb_upgrade:
         type: dict
         required: false

molecule/default/converge.yml

@@ -37,4 +37,5 @@
         mariadb: true
         mariadb_database: ansible
         mariadb_username: ansible
+        mariadb_underscore_autoupdate: true
 ...

tasks/conf_underscore.yml

@@ -57,7 +57,9 @@
           dashes are found so if there are none vaules with dashes won't be
           touched, please manually check the results by running `diff --color
           {{ mariadb_cnf_file_path_backup }} {{ mariadb_cnf.path }}`
-      when: mariadb_cnf_file_diff.rc is defined
+      when:
+        - mariadb_cnf_file_diff.rc is defined
+        - mariadb_underscore_autoupdate | bool
 
   tags:
     - mariadb