- hosts: osds
  become: yes
  tasks:

    - name: stop ceph-osd@2 daemon
      service:
        name: ceph-osd@2
        state: stopped

    - name: stop ceph-osd@0 daemon
      service:
        name: ceph-osd@0
        state: stopped


- hosts: mons
  become: yes
  tasks:

    - name: destroy osd.2
      command: "ceph --cluster {{ cluster }} osd destroy osd.2 --yes-i-really-mean-it"

    - name: destroy osd.0
      command: "ceph --cluster {{ cluster }} osd destroy osd.0 --yes-i-really-mean-it"


- hosts: osds
  become: yes
  tasks:

    # osd.2 device
    - name: zap /dev/vdd1
      command: "ceph-volume --cluster {{ cluster }} lvm zap /dev/vdd1 --destroy"
      environment:
        CEPH_VOLUME_DEBUG: 1

    # partitions have been completely removed, so re-create them again
    - name: re-create partition /dev/vdd for lvm data usage
      parted:
        device: /dev/vdd
        number: 1
        part_start: 0%
        part_end: 50%
        unit: '%'
        label: gpt
        state: present

    - name: redeploy osd.2 using /dev/vdd1
      command: "ceph-volume --cluster {{ cluster }} lvm create --bluestore --data /dev/vdd1 --osd-id 2"
      environment:
        CEPH_VOLUME_DEBUG: 1

    # osd.0 device (zap without --destroy that removes the LV)
    - name: zap test_group/data-lv1
      command: "ceph-volume --cluster {{ cluster }} lvm zap test_group/data-lv1"
      environment:
        CEPH_VOLUME_DEBUG: 1

    - name: prepare osd.0 again using test_group/data-lv1
      command: "ceph-volume --cluster {{ cluster }} lvm prepare --bluestore --data test_group/data-lv1 --osd-id 0"
      environment:
        CEPH_VOLUME_DEBUG: 1

    - name: find all OSD directories
      find:
        paths: /var/lib/ceph/osd
        recurse: no
        file_type: directory
      register: osd_directories

    - name: find all OSD symlinks
      find:
        paths: /var/lib/ceph/osd
        recurse: yes
        depth: 2
        file_type: link
      register: osd_symlinks

    # set the OSD dir and the block/block.db links to root:root permissions, to
    # ensure that the OSD will be able to activate regardless
    - file:
        path: "{{ item.path }}"
        owner: root
        group: root
      with_items:
        - "{{ osd_directories.files }}"

    - file:
        path: "{{ item.path }}"
        owner: root
        group: root
      with_items:
        - "{{ osd_symlinks.files }}"

    - name: activate all to start the previously prepared osd.0
      command: "ceph-volume lvm activate --all"
      environment:
        CEPH_VOLUME_DEBUG: 1

    - name: node inventory
      command: "ceph-volume inventory"
      environment:
        CEPH_VOLUME_DEBUG: 1

    - name: list all OSDs
      command: "ceph-volume lvm list"
      environment:
        CEPH_VOLUME_DEBUG: 1

    - name: create temporary directory
      tempfile:
        state: directory
        suffix: sparse
      register: tmpdir

    - name: create a 1GB sparse file
      command: fallocate -l 1G {{ tmpdir.path }}/sparse.file

    - name: find an empty loop device
      command: losetup -f
      register: losetup_list

    - name: setup loop device with sparse file
      command: losetup {{ losetup_list.stdout }} {{ tmpdir.path }}/sparse.file

    - name: create volume group
      command: vgcreate test_zap {{ losetup_list.stdout }}
      failed_when: false

    - name: create logical volume 1
      command: lvcreate --yes -l 50%FREE -n data-lv1 test_zap
      failed_when: false

    - name: create logical volume 2
      command: lvcreate --yes -l 50%FREE -n data-lv2 test_zap
      failed_when: false

    # zapping the first lv shouldn't remove the vg, allowing the second zap to succeed
    - name: zap test_zap/data-lv1
      command: "ceph-volume --cluster {{ cluster }} lvm zap --destroy test_zap/data-lv1"
      environment:
        CEPH_VOLUME_DEBUG: 1

    - name: zap test_zap/data-lv2
      command: "ceph-volume --cluster {{ cluster }} lvm zap --destroy test_zap/data-lv2"
      environment:
        CEPH_VOLUME_DEBUG: 1