Add playbook to test connection to the server

tests/integration/test_connection.yml

@@ -0,0 +1,81 @@
+---
+
+- name: Playbook to test bug to connect to MySQL/MariaDB server
+  hosts: all
+  gather_facts: false
+  vars:
+    mysql_parameters: &mysql_params
+      login_user: '{{ mysql_user }}'
+      login_password: '{{ mysql_password }}'
+      login_host: '{{ mysql_host }}'
+      login_port: '{{ mysql_primary_port }}'
+  tasks:
+
+    # Create default MySQL config file with credentials
+    - name: mysql_info - create default config file
+      template:
+        src: my.cnf.j2
+        dest: /root/.my.cnf
+        mode: '0400'
+
+    # Create non-default MySQL config file with credentials
+    - name: mysql_info - create non-default config file
+      template:
+        src: tests/integration/targets/test_mysql_info/templates/my.cnf.j2
+        dest: /root/non-default_my.cnf
+        mode: '0400'
+
+    ###############
+    # Do tests
+
+    # Access by default cred file
+    - name: mysql_info - collect default cred file
+      mysql_info:
+        login_user: '{{ mysql_user }}'
+        login_host: '{{ mysql_host }}'
+        login_port: '{{ mysql_primary_port }}'
+      register: result
+
+    - assert:
+        that:
+          - result is not changed
+          - "mysql_version in result.version.full or mariadb_version in result.version.full"
+          - result.settings != {}
+          - result.global_status != {}
+          - result.databases != {}
+          - result.engines != {}
+          - result.users != {}
+
+    # Access by non-default cred file
+    - name: mysql_info - check non-default cred file
+      mysql_info:
+        login_user: '{{ mysql_user }}'
+        login_host: '{{ mysql_host }}'
+        login_port: '{{ mysql_primary_port }}'
+        config_file: /root/non-default_my.cnf
+      register: result
+
+    - assert:
+        that:
+          - result is not changed
+          - result.version != {}
+
+    # Remove cred files
+    - name: mysql_info - remove cred files
+      file:
+        path: '{{ item }}'
+        state: absent
+      with_items:
+        - /root/.my.cnf
+        - /root/non-default_my.cnf
+
+    # Access with password
+    - name: mysql_info - check access with password
+      mysql_info:
+        <<: *mysql_params
+      register: result
+
+    - assert:
+        that:
+          - result is not changed
+          - result.version != {}