OPS-3333 Fix default character sets and collations in mysql playbook (#4707)

* OPS-3333 Fix default character sets and collations in mysql playbook

* Update

* Update mysql.yml

* Remove restart handler and just restart on each run

* Use new template syntax

* Fix syntax

playbooks/roles/mysql/defaults/main.yml

@@ -4,4 +4,8 @@ remove_experimental_mysql: false
 mysql_debian_pkgs:
   - "mysql-server-5.6"
   - python-mysqldb
-  
+
+mysql_dir: /etc/mysql
+
+DEFAULT_MYSQL_CHARACTER_SET: utf8
+DEFAULT_MYSQL_COLLATION: utf8_general_ci

playbooks/roles/mysql/tasks/main.yml

@@ -21,4 +21,4 @@
   when: remove_experimental_mysql
 
 - include: mysql.yml
-  when: (mysql_56_installed.rc == 1) or (remove_experimental_mysql)
\ No newline at end of file
+  when: (mysql_56_installed.rc == 1) or (remove_experimental_mysql)

playbooks/roles/mysql/tasks/mysql.yml

@@ -40,10 +40,18 @@
     state: present
   with_items: "{{ mysql_debian_pkgs }}"
 
-- name: Start mysql
+- name: Set default character sets and collations
+  template: 
+    src: default_character_sets_and_collations.cnf.j2
+    dest: "{{ mysql_dir }}/mysql.conf.d/default_character_sets_and_collations.cnf"
+    owner: root
+    group: root
+    mode: 0644
+
+- name: restart mysql
   service:
     name: mysql
-    state: started
+    state: restarted
 
 - name: Ensure Anonymous user(s) does not exist
   mysql_user:

playbooks/roles/mysql/templates/default_character_sets_and_collations.cnf.j2

+
+# {{ ansible_managed }}
+
+# This does not change any existing databases or rows, only the defaults for newly created databases
+
+[client]
+default-character-set={{ DEFAULT_MYSQL_CHARACTER_SET }}
+
+[mysql]
+default-character-set={{ DEFAULT_MYSQL_CHARACTER_SET }}
+
+
+[mysqld]
+collation-server = {{ DEFAULT_MYSQL_COLLATION }}
+init-connect='SET NAMES {{ DEFAULT_MYSQL_CHARACTER_SET }}'
+character-set-server = {{ DEFAULT_MYSQL_CHARACTER_SET }}
+