Ansible idempotent MySQL installation Playbook

Question

I want to setup a MySQL server on AWS, using Ansible for the configuration management. I am using the default AMI from Amazon (ami-3275ee5b), which uses yum

Answer 1

I know this is an old question, but I am sharing my working playbook for those, who are looking for it:

mysql.yml

---
 - name: Install the MySQL packages
   apt: name={{ item }} state=installed update_cache=yes
   with_items:
     - mysql-server-5.6
     - mysql-client-5.6
     - python-mysqldb
     - libmysqlclient-dev

 - name: Copy the configuration file (my.cnf)
   template: src=my.cnf.j2 dest=/etc/mysql/my.cnf
   notify:
     - Restart MySQL

 - name: Update MySQL root password for all root accounts
   mysql_user: name=root host={{ item }} password={{ mysql_root_pass }} state=present
   with_items:
     - "{{ ansible_hostname }}"
     - 127.0.0.1
     - ::1
     - localhost

 - name: Copy the root credentials as .my.cnf file
   template: src=root.cnf.j2 dest=~/.my.cnf mode=0600

 - name: Ensure Anonymous user(s) are not in the database
   mysql_user: name='' host={{ item }} state=absent
   with_items:
     - localhost
     - "{{ ansible_hostname }}"

 - name: Remove the test database
   mysql_db: name=test state=absent
   notify:
     - Restart MySQL

vars.yml

---
 mysql_port: 3306 #Default is 3306, please change it if you are using non-standard
 mysql_bind_address: "127.0.0.1" #Change it to "0.0.0.0",if you want to listen everywhere
 mysql_root_pass: mypassword #MySQL Root Password

my.cnf.j2

[client]
port            = 3306
socket          = /var/run/mysqld/mysqld.sock

[mysqld_safe]
socket          = /var/run/mysqld/mysqld.sock
nice            = 0

[mysqld]
user            = mysql
pid-file        = /var/run/mysqld/mysqld.pid
socket          = /var/run/mysqld/mysqld.sock
port            = {{ mysql_port }}
basedir         = /usr
datadir         = /var/lib/mysql
tmpdir          = /tmp
lc-messages-dir = /usr/share/mysql
skip-external-locking
bind-address            = {{ mysql_bind_address }}
key_buffer              = 16M
max_allowed_packet      = 64M
thread_stack            = 192K
thread_cache_size       = 8
myisam-recover         = BACKUP
query_cache_limit       = 1M
query_cache_size        = 16M
log_error = /var/log/mysql/error.log
expire_logs_days        = 10
max_binlog_size         = 100M

[mysqldump]
quick
quote-names
max_allowed_packet      = 64M

[mysql]

[isamchk]
key_buffer              = 16M

!includedir /etc/mysql/conf.d/

root.cnf.j2

[client]
user=root
password={{ mysql_root_pass }}