ansible-roles/hadoop/CDH/tasks/zeppelin.yml

---
- block:
  - name: Create a user that will run the zeppelin service
    user: name={{ cdh_zeppelin_user }} home={{ cdh_zeppelin_home }} createhome=no shell=/usr/sbin/nologin system=yes

  - name: Create the zeppelin home directory
    file: dest={{ cdh_zeppelin_home }} state=directory mode=0755

  - name: Create the zeppelin data directories
    file: dest={{ item }} state=directory owner={{ cdh_zeppelin_user }} group={{ cdh_zeppelin_group }}
    with_items: '{{ cdh_zeppelin_work_dirs }}'

  - name: Download zeppelin
    get_url: url={{ cdh_zeppelin_download_url }} dest=/srv/{{ chd_zeppelin_archive }}

  - name: Unpack the zeppelin distribution
    unarchive: remote_src=yes src=/srv/{{ chd_zeppelin_archive }} dest={{ cdh_zeppelin_home }} owner=root group=root
    args:
      creates: '{{ cdh_zeppelin_home }}/{{ cdh_zeppelin_dir }}'

  - name: zeppelin wants to write into the conf directory
    file: dest={{ cdh_zeppelin_home }}/{{ cdh_zeppelin_dir }}/conf  owner={{ cdh_zeppelin_user }} group={{ cdh_zeppelin_group }}

  - name: Install the zeppelin configuration files
    template: src={{ item }} dest={{ cdh_zeppelin_home }}/{{ cdh_zeppelin_dir }}/conf/{{ item }} owner=root group={{ cdh_zeppelin_group }} mode=0440
    with_items: '{{ cdh_zeppelin_conf_files }}'
    notify: Restart zeppelin
    tags: [ 'cdh', 'zeppelin', 'zeppelin_conf' ]

  - name: Install the zeppelin upstart startup script
    template: src=zeppelin_upstart.conf dest=/etc/init/zeppelin.conf
    when: ansible_service_mgr != 'systemd'

  - name: Install the zeppelin systemd startup script
    template: src=zeppelin_systemd.service dest=/etc/systemd/system/zeppelin.service
    when: ansible_service_mgr == 'systemd'

  - name: Ensure that the zeppelin service is enabled and running
    service: name=zeppelin state=started enabled=yes

  - name: Ensure that apache2 installed by CDM is stopped and disabled
    service: name=apache2 state=stopped enabled=no
    notify: Restart nginx

  tags: [ 'cdh', 'zeppelin' ]