provision.yml

---
- hosts: all
  tasks:

      - name: "/etc/hosts"
        debug: msg="{{ ansible_default_ipv4.address }} {{ ansible_hostname }}.qafoolabs.com"

      - name: "Update all packages and upgrade cache"
        apt: update_cache=yes upgrade=yes

      - name: "Install tools"
        apt: pkg={{ item }} state=latest
        with_items:
            - git
            - curl
            - tree
            - ruby

      - name: "Install redis gem"
        gem: name=redis state=latest

- hosts: redis
  vars:
      somaxconn: "{{ lookup('file', '/proc/sys/net/core/somaxconn') }}"
      vmovercommit: "{{ lookup('file', '/proc/sys/vm/overcommit_memory') }}"
  tasks:
      - name: "Echo"
        debug: msg="foo {{ somaxconn }} and {{ vmovercommit }}"

      - name: "sysctl -w net.core.somaxconn=65535"
        command: sysctl -w net.core.somaxconn=65535
        when: "{{ somaxconn }} == 128"

      - name: "sysctl -w net.core.somaxconn=65535 in /etc/rc.local"
        lineinfile: >
            dest=/etc/rc.local
            insertbefore=exit
            regexp=somaxconn
            line="sysctl -w net.core.somaxconn=65535"

      - name: "vm.overcommit_memory=1"
        lineinfile:
          dest=/etc/sysctl.conf
          regexp="^vm.overcommit_memory"
          line="vm.overcommit_memory = 1"

      - name: "vm.overcommit_memory now"
        command: "sysctl vm.overcommit_memory=1"
        when: "{{ vmovercommit }} == 0"

      - name: "Install chris-lea/redis-server PPA"
        tags: ['redis']
        apt_repository: repo='ppa:chris-lea/redis-server' state=present

      - name: "Install redis-server"
        tags: ['redis']
        apt: pkg=redis-server state=latest

      - name: "Spread /etc/init.d/redis-server for multi-spawning instances"
        tags: ['redis']
        template: >
          src=redis.init.j2
          dest=/etc/init.d/redis-server-{{ item }}
          mode=0755
        with_sequence: start=7000 end={{ redis_server_end_port }}

      - name: "Multiple Redis Datadirs"
        tags: ['redis']
        file: path=/var/lib/redis/{{ item }} state=directory owner=redis group=redis
        with_sequence: start=7000 end={{ redis_server_end_port }}

      - name: "Create redis-server config files"
        tags: ['redis']
        template: >
            src=server.conf.j2
            dest=/etc/redis/redis-{{ item }}.conf
        with_sequence: start=7000 end={{ redis_server_end_port }}

      - name: "Update redis.conf"
        tags: ['redis']
        template: src=redis.conf.j2 dest=/etc/redis/redis.conf

      - name: "Update cluster.conf"
        tags: ['redis']
        template: src=cluster.conf.j2 dest=/etc/redis/cluster.conf

      - name: "create-cluster.sh"
        tags: ['redis']
        template: src=create-cluster.sh.j2 dest=/root/create-cluster.sh mode=0755

      - name: "redis-cluster.sh"
        tags: ['redis']
        template: src=redis-cluster.sh.j2 dest=/root/redis-cluster.sh mode=0755

- hosts: php
  tasks:
      - name: "Add ondrej/php as apt-repository"
        apt_repository: repo='ppa:ondrej/php' state=present

      - name: "Install PHP+FPM"
        apt: pkg={{ item }}
        with_items:
            - php5.6
            - php5.6-fpm
            - php5.6-dev

      - name: "install phpredis Extension"
        get_url: >
            url=https://github.com/phpredis/phpredis/archive/develop.tar.gz
            dest=/root/phpredis-develop.tar.gz

      - name: "configure phpredis extension"
        template: >
            src=redis.ini.j2
            dest=/etc/php/5.6/mods-available/redis.ini
        notify: "Restart PHP-FPM"

      - name: "enable redis"
        command: >
            phpenmod redis
            creates=/etc/php/5.6/fpm/conf.d/20-redis.ini
        notify: "Restart PHP-FPM"

      - name: "Unarchive phpredis extension"
        unarchive: >
            copy=no
            src=/root/phpredis-develop.tar.gz
            dest=/root

      - name: "Build phpredis extension"
        shell: >
            phpize && ./configure && make && make install
            chdir=/root/phpredis-develop

      - name: "/var/www"
        file: path=/var/www state=directory

      - name: "Nginx"
        apt: pkg=nginx

      - name: "Remove default site"
        file: path=/etc/nginx/sites-enabled/default state=absent
        notify: "Restart Nginx"

      - name: "Nginx Host"
        template: src=nginx_host dest=/etc/nginx/sites-enabled/www
        notify: "Restart Nginx"

      - name: "Upload code"
        tags: ['upload']
        synchronize: src=www/ dest=/var/www

      - name: "Change access"
        tags: ['upload']
        file: path=/var/www/ owner=www-data group=www-data recurse=yes

      - name: "Nodes configuration"
        tags: ['upload']
        template: src=nodes.php.j2 dest=/var/www/nodes.php owner=www-data group=www-data

      - name: "Build hosts file"
        lineinfile: dest=/etc/hosts regexp='.*{{ item }}$' line="{{ hostvars[item].ansible_default_ipv4.address }} {{item}}.qafoolabs.com" state=present
        tags: ['hosts']
        when: hostvars[item].ansible_default_ipv4.address is defined
        with_items: groups['all']

  handlers:
      - name: "Restart Redis"
        service: name=redis-server state=restarted

      - name: "Restart Nginx"
        service: name=nginx state=restarted

      - name: "Restart PHP-FPM"
        service: name=php5.6-fpm state=restarted