ansible_drbd/tasks/main.yml

---
- name: Install DRBD
  apt:
    name: drbd-utils
    state: present
    update_cache: yes

- name: Check patrition
  shell: ls {{ drbd_disk}}{{ drbd_patrition_number }}
  register: result
  failed_when: False
  changed_when: False

- name: Create patrition
  shell: echo -en "o\nn\np\n{{ drbd_patrition_number }}\n\n\nw\n" | fdisk {{ drbd_disk }}
  register: result
  when: result.rc == 2 and drbd_patrition_number != "" and drbd_patrition_number != none
  failed_when:
    - "'Syncing disks' not in result.stdout"
    - "'Created a new partition' not in result.stdout"

- name: Check DRBD status
  command: drbdadm status {{ drbd_resource_name }}
  register: result
  changed_when: False
  failed_when: False

- name: Create mount point
  file:
    path: "{{ mount_point }}"
    state: directory

- name: Unmount
  mount:
    path: "{{ mount_point }}"
    state: unmounted

- name: Create config
  template:
    src: resource.res.j2
    dest: /etc/drbd.d/{{ drbd_resource_name }}.res

- name: Down resource
  shell: drbdadm down {{ drbd_resource_name }}
  when: result.rc == 0

#- name: Check config
#  command: drbdadm dump all

- name: Find metadata on disk
  shell: drbdmeta 0 v08 {{ drbd_disk }}{{ drbd_patrition_number }} internal check-resize
  register: find_metadata
  changed_when: False
  failed_when: False

- name: Create metadata
  #command: drbdmeta 0 v08 {{ drbd_disk }}{{ drbd_patrition_number }} internal create-md 2 --force
  command: drbdadm create-md --force {{ drbd_resource_name }}
  when: find_metadata.rc != 0

- name: Up resource
  command: drbdadm up {{ drbd_resource_name }}

- name: Find Primary
  shell: drbdadm status {{ drbd_resource_name }} | grep Primary
  register: result_primary
  changed_when: False
  failed_when: False

#    - name: Check DRBD role
#      shell: drbdadm status {{ drbd_resource_name }} | grep "{{ drbd_resource_name }} role:" | awk -F ":" '{print $2}'
#      register: result
#      changed_when: False
#      failed_when: False
#    - debug: var=result
#      failed_when: True

- name: Resync resource
  command: drbdadm primary --force {{ drbd_resource_name }}
  # drbdadm new-current-uuid --clear-bitmap shared/0
  when: result_primary.rc != 0
  run_once: true

- name: Check status
  shell: drbdadm status | grep {{ drbd_resource_name }}
  register: drbd_status

- name: Create FS
  shell: mkfs.{{ drbd_fs }} {{ drbd_device }}
  when: "'Primary' in drbd_status.stdout"

- name: Mount
  mount:
    path: "{{ mount_point }}"
    src: "{{ drbd_device }}"
    fstype: "{{ drbd_fs }}"
    state: mounted
  when: "'Primary' in drbd_status.stdout"