ansible-roles/ELK/elasticsearch/tasks/main.yml

---
- name: Install the elasticsearch repo key
  apt_key: url={{ elasticsearch_repo_key }} state=present
  tags: [ 'ELK', 'elasticsearch', 'elk' ]

- name: Install the elasticsearch deb repository
  apt_repository: repo='{{ elasticsearch_repo }}' state=present update_cache=yes
  tags: [ 'ELK', 'elasticsearch', 'elk' ]

- name: Install the elasticsearch deb packages
  apt: name='{{ item }}' state=present
  with_items: '{{ elasticsearch_packages }}'
  tags: [ 'ELK', 'elasticsearch', 'elk' ]
  
- name: Install the elasticsearch startup default
  template: src=elasticsearch-default.j2 dest=/etc/default/elasticsearch owner=root group=elasticsearch mode=0640
  notify: Restart elasticsearch
  tags: [ 'ELK', 'elasticsearch', 'elk' ]

- name: Install the elasticsearch configuration
  template: src=elasticsearch.yml.j2 dest=/etc/elasticsearch/elasticsearch.yml owner=root group=elasticsearch mode=0640
  notify: Restart elasticsearch
  tags: [ 'ELK', 'elasticsearch', 'elk' ]

- name: Ensure that elasticsearch is enabled and running
  service: name=elasticsearch state=started enabled=yes
  when: elasticsearch_enabled
  tags: [ 'ELK', 'elasticsearch', 'elk' ]
  
- name: Ensure that elasticsearch is disabled and stopped
  service: name=elasticsearch state=stopped enabled=no
  when: not elasticsearch_enabled
  tags: [ 'ELK', 'elasticsearch', 'elk' ]