instance-status/tasks/main.yml

---

- name: Install required packages
  apt:
    name: "{{ item }}"
  with_items: '{{ instance_status_apt_required }}'

- name: Set up checks file for ELB Instance Status
  template:
    src: templates/checks.yml
    dest: /etc/elb-instance-status.yml
  register: instance_status_config

- name: Download elb-instance-status release
  get_url:
    url: https://github.com/Jimdo/elb-instance-status/releases/download/v0.5.1/elb-instance-status_linux_amd64
    dest: /usr/local/bin/elb-instance-status_v0.5.1
    sha256sum: 3ce2fa44296e2ff5b2cca2e9b2348bbd49884eadfe66389ec6d201f5e71650c0
    mode: 0755

- name: Link elb-instance-status
  file:
    dest: /usr/local/bin/elb-instance-status
    src: /usr/local/bin/elb-instance-status_v0.5.1
    state: link
  register: instance_status_link

- name: Install system.d service
  copy:
    content: |
      [Unit]
      Description=Machine health checking service
      After=network-online.target
      Requires=network-online.target

      [Service]
      TimeoutStartSec=0
      TimeoutStopSec=0
      Restart=on-failure
      RestartSec=30
      SyslogIdentifier=elb-instance-status
      ExecStart=/usr/local/bin/elb-instance-status \
                  --listen=:9001

      [Install]
      WantedBy=multi-user.target
    dest: /etc/systemd/system/elb-instance-status.service
  register: instance_status_service

- name: Ensure elb-instance-status is restarted on changes
  systemd:
    daemon_reload: yes
    name: elb-instance-status
    state: restarted
    enabled: yes
  when: instance_status_config.changed or instance_status_service.changed or instance_status_service.changed