---

- name: Check if Nagios is installed
  stat:
    path: /usr/local/lib/nagios/plugins/
  register: nagios_plugins_dir
  #check_mode: no (for migration to Ansible 2.2)
  always_run: yes

- name: Check if /usr is a partition
  shell: "mount | grep 'on /usr type'"
  args:
    warn: no
  changed_when: False
  failed_when: False
  register: usr_partition
  #check_mode: no (for migration to Ansible 2.2)
  always_run: yes

- name: Mount /usr in rw
  command: mount -o remount,rw /usr
  args:
    warn: no
  changed_when: False
  when: usr_partition.rc == 0 and nagios_plugins_dir.stat.exists

# https://exchange.nagios.org/components/com_mtree/attachment.php?link_id=3367&cf_id=30
- name: Install Nagios plugin
  copy:
    src: "nagios/check_drbd"
    dest: "/usr/local/lib/nagios/plugins/check_drbd"
    mode: "0755"
  when: nagios_plugins_dir.stat.exists