- name: Install distro-specific packages
  include_tasks: "{{ zj_distro_os }}"
  with_first_found:
    - "{{ ansible_distribution }}-{{ ansible_distribution_version }}.yaml"
    - "{{ ansible_distribution }}-{{ ansible_distribution_major_version }}.yaml"
    - "{{ ansible_distribution }}.yaml"
    - "{{ ansible_os_family }}.yaml"
    - "default.yaml"
  loop_control:
    loop_var: zj_distro_os

- name: Create /tmp/zookeeper
  file:
    path: /tmp/zookeeper
    state: directory
    mode: 0755
  become: true

- name: Get and extract Zookeeper
  unarchive:
    src: https://archive.apache.org/dist/zookeeper/zookeeper-{{ _zookeeper_install_version }}/apache-zookeeper-{{ _zookeeper_install_version }}-bin.tar.gz
    dest: /tmp/zookeeper
    remote_src: yes
  become: true

- name: Link install to a known location
  file:
    src: /tmp/zookeeper/apache-zookeeper-{{ _zookeeper_install_version }}-bin
    dest: /opt/zookeeper
    state: link
  become: true

- name: Create a tmpfs for ZooKeeper
  mount:
    state: mounted
    path: /tmp/zookeeper/version-2
    fstype: tmpfs
    opts: "nodev,nosuid"
    src: "none"
  when: zookeeper_use_tmpfs
  become: true

- name: Setup Zookeeper config file
  copy:
    src: /opt/zookeeper/conf/zoo_sample.cfg
    dest: /opt/zookeeper/conf/zoo.cfg
    remote_src: true
    mode: 0644
  become: true

- name: Enable ZooKeeper 4lw
  lineinfile:
    path: /opt/zookeeper/conf/zoo.cfg
    line: "4lw.commands.whitelist=*"
  become: true

- name: Setup ZooKeeper TLS
  include_tasks: ./setup_tls.yaml
  when: zookeeper_use_tls

- name: Ensure Zookeeper not running
  command: pkill -f zookeeper
  register: _pkill
  # 0 is killed
  # 1 is no process matched
  # >1 is some sort of actual error
  failed_when: _pkill.rc > 1
  become: true

- name: Start Zookeeper
  command: /opt/zookeeper/bin/zkServer.sh start
  become: true