zookeeper.yml

---

- name: Create EC2 instances for Zookeeper
  hosts: localhost
  connection: local
  gather_facts: no
  tasks:
    - name: Launch instances
      ec2:
        key_name: "{{ ec2.key }}"
        group: "{{ ec2.zookeeper_security_group }}"
        instance_type: "{{ ec2.zookeeper_instance_type }}"
        image: "{{ ec2.image }}"
        wait: yes
        region: "{{ ec2.region }}"
        count: "{{ ec2.zookeeper_instance_count }}"
        spot_price: 0.2
        spot_wait_timeout: 600
      register: zookeeperinstances
    - name: Add new instances to a host group
      add_host: name={{ item.1.public_dns_name }} groups=zookeepernodes zid={{ item.0 + 1 }} private_ip={{ item.1.private_ip }}
      with_indexed_items: zookeeperinstances.instances
    - name: Wait for SSH to come up
      wait_for: host={{ item.public_dns_name }} port=22 delay=60 timeout=360 state=started
      with_items: zookeeperinstances.instances
    - name: Make sure the known hosts file exists
      file: "path={{ ssh_known_hosts_file }} state=touch"
    - name: Check host name availability
      shell: "ssh-keygen -f {{ ssh_known_hosts_file }} -F {{ item.public_dns_name }}"
      with_items: zookeeperinstances.instances
      register: z_ssh_known_host_results
      ignore_errors: yes
    - name: Scan the public key
      shell: "{{ ssh_known_hosts_command}} {{ item.item.public_dns_name }} >> {{ ssh_known_hosts_file }}"
      with_items: z_ssh_known_host_results.results
      when: item.stdout == ""

- name: Configure Zookeeper instances
  hosts: zookeepernodes
  remote_user: ubuntu
  become: yes
  become_method: sudo
  gather_facts: yes
  roles:
    - jdk
    - collectd