Create Mysql playbook

- Install MySL server and set password for root user from local
  environment variable.
- Continue ansible run if mysql_user fails. Password is already
  configured at first run.
- Remove debuging from mysql playbook and rename mysql password setup
  task.
- Change mysql data folder setting, move mysql data folder and restart
  required service.
- Cheack if apparmor is installed and reconfigure if it does.
- Move mysql playbook to webservers section.
- Change password variable to mysql_root_passwd.

Fixes #11
Closes #35

site.yml

@@ -5,6 +5,7 @@
   tasks:
     - include: common/bootstrap.yml
 
+
 - name: configure and deploy the webservers and application code
   hosts: webservers
   remote_user: root
@@ -13,6 +14,7 @@
     - include: web/deploy.yml
     - include: web/fastcgi.yml
     - include: web/git.yml
+    - include: web/mysql-server.yml
     - include: web/php.yml
     - include: web/postgresql.yml
     - include: web/ruby.yml
@@ -22,4 +24,5 @@
     - include: web/rails.yml
 
   handlers:
+    - include: web/mysql-server-handlers.yml
     - include: web/postgresql-handlers.yml

web/mysql-server-handlers.yml

@@ -0,0 +1,24 @@
+---
+
+- name: Restart mysql
+  action: service name=mysql state=restarted
+
+- name: Move mysql data folder
+  command: echo "Starting to move MySQL data folder"
+  notify: Stop mysql service
+
+- name: Stop mysql service
+  action: service name=mysql state=stopped
+  notify: Move mysql data
+
+- name: Move mysql data
+  command: mv /var/lib/mysql /data/
+  notify: Start mysql service
+
+- name: Start mysql service
+  service: name=mysql state=started
+
+- name: Restart apparmor service
+  service: name=mysql state=stopped
+  service: name=apparmor state=restarted
+  notify: Start mysql service

web/mysql-server.yml

@@ -0,0 +1,33 @@
+---
+
+- name: Install mysql-server package
+  apt: name=mysql-server update_cache=yes
+
+- name: Install python-mysqldb module required by Ansible
+  apt: name=python-mysqldb update_cache=yes
+
+- name: Configure mysql root user pass
+  mysql_user: name=root password="{{ lookup('env','mysql_root_passwd') }}"
+  ignore_errors: yes
+
+- name: Create /data/mysql folder
+  file: path=/data/mysql state=directory owner=mysql group=mysql
+
+- name: Change mysql data folder
+  lineinfile: dest=/etc/mysql/my.cnf line='datadir = /data/mysql'
+    regexp='^datadir'
+  notify: Move mysql data folder
+
+- name: Test if apparmor exists
+  stat: path=/etc/init.d/apparmor
+  register: apparmor_installed
+
+- name: Fix apparmor configuration for mysql
+  lineinfile:
+    regexp='{{ item.apparmor }}' backrefs=yes line='{{ item.apparmor_line }}' dest=/etc/apparmor.d/usr.sbin.mysqld
+  with_items:
+    - { apparmor: '^  /var/lib/mysql/ r\,', apparmor_line: '  /data/mysql/ r,' }
+    - { apparmor: '^  /var/lib/mysql/\*\* rwk\,', apparmor_line: '  /data/mysql/** rwk,' }
+
+  notify: Restart apparmor service
+  when: apparmor_installed.stat.exists