ceph-ansible/purge-cluster.yml

---
# This playbook purges Ceph
# It removes: packages, configuration files and ALL THE DATA

- hosts:
  - mons
  - osds

  tasks:

  - name: purge ceph
    command: ceph-deploy purge {{ ansible_fqdn }}
    delegate_to: 127.0.0.1

  - name: remove osd data
    shell: rm -rf /var/lib/ceph/osd/*/*
    failed_when: false

  - name: purge remaining data
    command: ceph-deploy purgedata {{ ansible_fqdn }}
    delegate_to: 127.0.0.1

- hosts:
  - osds

  vars:
    devices: [ '/dev/sdb', '/dev/sdc', '/dev/sdd', '/dev/sde', '/dev/sdf' ]
    partitions: [ '1', '2', '3' ]

  tasks:

  - name: disk zap
    command: /usr/sbin/sgdisk --zap-all --clear --mbrtogpt -g -- {{ item }}
    with_items: devices
    failed_when: false

  - name: disk zap again
    command: /usr/sbin/sgdisk --zap-all --clear --mbrtogpt -g -- {{ item }}
    with_items: devices
    failed_when: false

  - name: call partprobe
    command: partprobe