provision_consul.yaml

---
- hosts: consul
  remote_user: ubuntu
  sudo: yes

  tasks:
  - name: Get ec2 facts
    action: ec2_facts

  - name: Set hostname
    hostname: name=consul-server-{{ ansible_ec2_local_ipv4|replace('.', '-') }}

  - name: Update apt cache
    apt: update_cache=yes cache_valid_time=86400

  - name: Install system packages
    apt: name={{ item }}
    with_items:
      - unzip
      - dnsmasq

  - name: Download Consul
    get_url:
      url: https://dl.bintray.com/mitchellh/consul/0.3.1_linux_amd64.zip
      dest: /tmp/consul.zip

  - name: Download Consul UI
    get_url:
      url: https://dl.bintray.com/mitchellh/consul/0.3.1_web_ui.zip
      dest: /tmp/consul-ui.zip

  - name: Extract Consul
    command: unzip -n -d /bin /tmp/consul.zip creates=/bin/consul

  - name: Extract Consul UI
    command: unzip -n -d /var/consul/ui /tmp/consul-ui.zip creates={{ consul_ui_dir }}

  - name: Create Consul config folder
    file: path={{ consul_config_dir }} state=directory

  - name: Create Consul data dir
    file: path={{ consul_data_dir }} mode=755 state=directory

  - name: Create Consul config
    template: src=templates/consul.json dest={{ consul_config_dir }}/consul.json

  - name: Install consul-server upstart config
    copy: src=files/consul-server.conf dest=/etc/init/consul-server.conf

  - name: Enable consul-server service
    service: name=consul-server enabled=yes state=started

  - name: Configure Dnsmasq
    copy: content='server=/consul/127.0.0.1#8600' dest=/etc/dnsmasq.d/10-consul
    notify:
      - restart dnsmasq

  handlers:
    - name: restart dnsmasq
      service: name=dnsmasq state=restarted enabled=yes