1. Use mariadb in centos7; 2. Add a variable sqlServiceName; 3. Remove mysql_config_file_name

roles/mysql/tasks/mysql_client.yml

 ---
 - name: "Installing MySQL Debian"
   apt: name="{{ item }}" update_cache=yes cache_valid_time=3600 state=present
-  with_items:
-    - python
-    - mysql-client
+  with_items: client_packages
   sudo: true
   when: ansible_os_family == "Debian"
 
 - name: Installing MySQL RedHat
   yum: name="{{ item }}" state=latest
-  with_items:
-    - python
-    - mysql 
-    - mysql-connector-odbc 
-    - MySQL-python
+  with_items: client_packages
   sudo: true
   when: ansible_os_family == "RedHat"

roles/mysql/tasks/mysql_server.yml

@@ -5,22 +5,11 @@
   sudo: true
   when: ansible_os_family == "Debian"
 
-- name: "Remove rdo repo"
+- name: "Remove rdo repo, it's broken"
   file: path=/etc/yum.repos.d/rdo-release.repo state=absent
   sudo: true
   when: ansible_os_family == "RedHat" and ansible_distribution_major_version >= 7
 
-- name: "Check RPM packages"
-  shell: ls /etc/yum.repos.d/mysql-community.repo
-  register: mysql_repo
-  ignore_errors: true
-  when: rpm_package is defined
-
-- name: "Add RPM packages"
-  shell: rpm -iUvh {{ rpm_package }} 
-  sudo: true
-  when: mysql_repo | failed
-
 - name: Installing MySQL RedHat
   yum: name={{ item }}
   with_items: server_packages
@@ -28,28 +17,13 @@
   when: ansible_os_family == "RedHat"
 
 - name: "Starting MySQL"
-  service: name=mysql state=started enabled=true
-  sudo: true
-  when: ansible_os_family == "Debian"
-
-- name: "Starting MySQL"
-  service: name=mysqld state=started enabled=true
+  service: name={{ sqlServiceName }} state=started enabled=true
   sudo: true
-  when: ansible_os_family == "RedHat" and ansible_distribution_major_version < 7
-
-- name: "Starting MySQL"
-  service: name=mysqld state=started enabled=true
-  sudo: true
-  when: ansible_os_family == "RedHat" and ansible_distribution_major_version >= 7
 
 - name: make sure mysql conf directory exists
   file: dest=/etc/mysql/conf.d state=directory
   sudo: true
 
-- name: "Templating mysql configure file"
-  template: src="mysql.cnf.j2" dest=/etc/mysql/conf.d/mysqld_safe_syslog.cnf owner=root group=root
-  sudo: true
-
 - name: "Adding root"
   sudo: true
   mysql_user: name=root host="{{ item }}" password="{{ mysql_root_password }}" login_user=root login_password="{{ mysql_root_password }}" check_implicit_admin=yes

roles/mysql/vars/CentOS_6.yml

@@ -6,4 +6,10 @@ server_packages:
   - MySQL-python
   - mysql-server
 
+client_packages:
+  - python
+  - mysql
+  - mysql-connector-odbc
+  - MySQL-python
 
+sqlServiceName: mysqld

roles/mysql/vars/CentOS_7.yml

-rpm_package: "http://dev.mysql.com/get/mysql-community-release-el7-5.noarch.rpm"
-
 server_packages:
   - python
   - python-devel
   - MySQL-python
-  - mysql-community-server
+  - mariadb-server 
 
+client_packages:
+  - mariadb
+  - python
+  - MySQL-python
 
+sqlServiceName: mariadb

roles/mysql/vars/Debian_7.yml

@@ -8,3 +8,8 @@ server_packages:
   - mysql-server
   - python-mysqldb
 
+client_packages:
+  - python
+  - mysql-client
+
+sqlServiceName: "mysql"

roles/mysql/vars/Debian_8.yml

@@ -8,3 +8,8 @@ server_packages:
   - mysql-server
   - python-mysqldb
 
+client_packages:
+  - python
+  - mysql-client
+
+sqlServiceName: "mysql"