glusterfs.yml

---
- hosts: all
  sudo: yes
  remote_user: root

  vars:
    main_nodes_ips: "{% set IP_ARR=[] %}{% for host in groups['all'] %}{% if IP_ARR.insert(loop.index,hostvars[host]['ansible_default_ipv4']['address']) %}{% endif %}{% endfor %}{{IP_ARR|join(' ')}}"
    main_nodes_ipc: "{% set IP_ARR=[] %}{% for host in groups['all'] %}{% if IP_ARR.insert(loop.index,hostvars[host]['ansible_default_ipv4']['address']) %}{% endif %}{% endfor %}{{IP_ARR|join(',')}}"
    ipv4_master_addr: "{{ hostvars[groups['all'][0]]['ansible_default_ipv4']['address'] }}"

  vars_files:
    - "{{ var_file }}"

  tasks:

  - name: update apt
    apt: update_cache=yes

  - name: ensure packages installed
    apt: pkg={{ item }} state=latest
    with_items:
      - glusterfs-server 
      - glusterfs-client 
      - glusterfs-common

  - name: Create dirs
    command: mkdir -p {{ item }} 
    with_items:
        - /infra/etc/{{ cluster_name }}/glusterfs
        - /gluster
        - /infra/etc/{{ cluster_name }}/network/iptables-specific.d
        - /etc/network/iptables-specific.d
        - /var/www/shared-fs

  - name: remove existing iptables files
    file: path={{ item.dest }} state=absent
    with_items:
        - { src: '/infra/etc/{{ cluster_name }}/network/iptables-specific.d/glusterfs.conf', dest: '/etc/network/iptables-specific.d/glusterfs.conf' }

  - name: symlink iptables-specific files
    command: ln -s {{ item.src }} {{ item.dest }} 
    with_items:
        - { src: '/infra/etc/{{ cluster_name }}/network/iptables-specific.d/glusterfs.conf', dest: '/etc/network/iptables-specific.d/glusterfs.conf' }

  - name: Create Firewall file
    template:
        src: templates/iptables.glusterfs.conf
        dest: /infra/etc/{{cluster_name}}/network/iptables-specific.d/glusterfs.conf
        owner: root
        group: root 
        mode: 0700

  - name: Reload Firewall
    command: /etc/network/iptables_on.sh

  - name: create glusterd.vol
    template:
        force: yes 
        src: templates/glusterd.vol
        dest: /infra/etc/{{ cluster_name }}/glusterfs/glusterd.vol.{{ansible_hostname}}
        owner: root 
        group: root
        mode: 0644

  - name : Remove node conf in /etc
    command : rm -f /etc/glusterfs/{{item}} 
    with_items:
      - glusterd.vol 

  - name : move node conf to infra 
    command :  ln -s /infra/etc/{{ cluster_name }}/glusterfs/{{item}}.{{ansible_hostname}} /etc/glusterfs/{{item}} 
    with_items:
      - glusterd.vol 

  - name: add logging to init.d 
    lineinfile:
        dest: /etc/init.d/glusterfs-server
        state: present
        regexp: 'GLUSTERD_OPTS=".*"'
        line: 'GLUSTERD_OPTS="--log-level DEBUG"'
        insertbefore: 'LOG_LEVEL="DEBUG"'

  - name: restart services
    command: service {{ item }} restart
    with_items:
        - glusterfs-server

  - name: add to fstab 
    lineinfile:
        dest: /etc/fstab
        state: present
        regexp: '/var/www/shared-fs'
        line: '{{ansible_default_ipv4.address}}:/shared-fs /var/www/shared-fs glusterfs defaults,_netdev,acl 0 0'

  - name: mount volume 
    command: service {{ item }} restart
    with_items:
        - glusterfs-server