---
- name: Install the cassandra apt key
  raw: apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 350200F2B999A372
  when: cassandra_install_from_external_repo
  tags: cassandra

- name: Install the cassandra repository
  copy: content="deb http://debian.datastax.com/community stable main" dest=/etc/apt/sources.list.d/cassandra.sources.list owner=root group=root mode=044
  when: cassandra_install_from_external_repo
  register: external_repo
  tags: cassandra

- name: Update the apt cache
  apt: update_cache=yes
  when: ( external_repo | changed )
  ignore_errors: True
  tags: cassandra

- name: Install a specific version of cassandra server
  apt: pkg={{ item }}={{ cassandra_version }} state=present
  with_items:
    - cassandra
  when:
    - cassandra_install_from_external_repo
    - cassandra_install_packages
    - not cassandra_latest_version
  tags: cassandra

- name: Install a specific version of cassandra tools
  apt: pkg={{ item }}={{ cassandra_version }} state=present
  with_items:
    - cassandra-tools
  when:
    - cassandra_install_from_external_repo
    - cassandra_install_packages
    - not cassandra_latest_version
  tags: cassandra

- name: hold the version of cassandra server
  action: shell apt-mark hold {{ item }}
  with_items:
    - cassandra
    - cassandra-tools
  when:
    - cassandra_install_from_external_repo
    - cassandra_install_packages
    - not cassandra_latest_version
  tags: cassandra

- name: Install the latest version of cassandra server
  apt: pkg={{ item }} state=latest
  with_items:
    - cassandra
    - cassandra-tools
  when:
    - cassandra_install_from_external_repo
    - cassandra_install_packages
    - cassandra_latest_version
  tags: cassandra

- name: Ensure cassandra is started
  service: name=cassandra state=started enabled=yes
  when: ( cassandra_start_server is defined ) and ( cassandra_start_server == 'yes' )
  tags: cassandra

- name: Ensure cassandra is stopped and disabled
  service: name=cassandra state=stopped enabled=no
  when: ( cassandra_start_server is defined ) and ( cassandra_start_server == 'no' )
  tags: cassandra