install_galera.yml

---
# check if mtab is there
- name: check if mtab exists
  action: shell test -f /etc/mtab && echo "aqui" || echo "nada" 
  register: mtab_check 

# Create link if not already exists. Upstart for mysql needs this! 
- name: create mtab if not exists 
  action: file src=/proc/mounts dest=/etc/mtab state=link
  when: mtab_check.stdout == "nada"

# file: tasks/install_galera.yml 
# check if galera is already installed
- name: check to determine if galera is aready installed
  action: shell test -d /etc/mysql && echo "installed" || echo "bootstrap"
  register: bootstrap_check 

# Create link if not already exists. Upstart for mysql needs this! 
# - name: create /etc/mysql if not exists 
#  action: file path=/etc/mysql state=directory
#  when: bootstrap_check.stdout == "bootstrap"

- name: Install Percona XtraDB Cluster server
  apt: pkg={{ item }} 
       state=present
  with_items:
    - percona-xtradb-cluster-server-5.6
    - python-mysqldb
    - xinetd
    - git 

- name: Start MySQL
  command: /etc/init.d/mysql restart