- name: setup drbd
  gather_facts: no
  hosts: "{{target}}"
  become: "{{become_var}}"
  tasks:

  - name: define nodes
    set_fact:
      nodes: "{{ groups[cluster] }}"

  - debug: var=nodes

  - name: drbd overal config
    ansible.builtin.copy:
      src: drbd.conf
      dest: /etc/drbd.conf

  # todo - keep nodes defined from ansible or switch to dnc.conf?
  # note - this is a manual sync script that is being used for initial setup
  # ideally not necessary once DNC is up
  - name: sync drbd resources script
    ansible.builtin.copy:
      content: |
        #!/bin/bash

        # CONFIGURED BY ANSIBLE

        nodes="{{ nodes | join(' ') }}"

        # do not sync /data/, that's shared storage already
        for node in $nodes; do
          [[ $node = $HOSTNAME ]] && continue
          rsync -av --delete /etc/drbd.d/ $node:/etc/drbd.d/

          # do not sync /data_local/guests/
          rsync -av --delete /data_local/kernels/ $node:/data_local/kernels/
          rsync -av --delete /data_local/templates/ $node:/data_local/templates/
        done; unset node
      dest: /root/sync
      mode: "0755"

  - name: enable storage and drbd at boot-time
    ansible.builtin.copy:
      content: |
        #!/bin/bash

        # CONFIGURED BY ANSIBLE

        echo rc.local PATH is $PATH

        {% if storage == 'zfs' %}
        echo -n loading zfs ...
        modprobe zfs && echo done

        echo -n loading smith pool ...
        zpool import smith -N && echo done

        echo found zvols:
        find /dev/zvol/ -mindepth 2 | grep '\-part'

        {% endif %}
        # self-verbose
        #drbdadm up -v all
        /etc/rc.d/rc.drbd start
      dest: /etc/rc.d/rc.local
      mode: "0755"

  - name: shutdown drbd resources properly
    ansible.builtin.copy:
      content: |
        #!/bin/bash

        # CONFIGURED BY ANSIBLE

        echo rc.local_shutdown PATH is $PATH

        # self-verbose
        #drbdadm down -v all
        /etc/rc.d/rc.drbd stop
      dest: /etc/rc.d/rc.local_shutdown
      mode: "0755"