ocplabs-cns-nodes-deinstall.yaml

- hosts: localhost
  tasks:
  - name: remove_gluster_containers | Login
    shell: oc login -u admin -p 'redhat2018!' https://master.ocplabs.com:8443 --insecure-skip-tls-verify=true
    ignore_errors: yes
  - name: remove_gluster_containers | Delete glusterfs projects
    shell: oc delete project glusterfs
    ignore_errors: yes
  - name: remove_gluster_default_storageclass | Delete GlusterFS storage-class
    shell: oc delete storageclass gluster-file
    ignore_errors: yes
  - name: remove_gluster_containers | Remove node labels
    shell: oc label node {{ hostvars[item]['inventory_hostname'] }} storagenode-
    with_items: "{{groups.glusterfs}}"
    ignore_errors: yes
- hosts: glusterfs
  tasks:
  - name: remove_gluster | Get GlusterFS storage devices state
    command: "pvdisplay -C --noheadings -o pv_name,vg_name {% for device in glusterfs_devices %}{{ device }} {% endfor %}"
    register: devices_info
    failed_when: False
  - name: remove_gluster | Show devices
    debug: msg={{devices_info}} 
  - name: remove_gluster | Clear GlusterFS storage device contents
    shell: "{% set fields = item.split() %}{% if fields | count > 1 %}lvremove -ff {{ fields[1] }}; vgremove -fy {{ fields[1] }}; {% endif %}pvremove -fy {{ fields[0] }};"
    with_items: "{{ devices_info.stdout_lines }}"
    register: clear_devices
    until:
    - "'contains a filesystem in use' not in clear_devices.stderr"
    delay: 1
    retries: 30
    when:
    - devices_info.stdout_lines | count > 0
  - name:  remove_heketi | Delete pre-existing Heketi config
    file:
      path: /var/lib/heketi
      state: absent
  - name:  remove_gluster | Delete pre-existing GlusterFS config
    file:
      path: /var/lib/glusterd
      state: absent
  - name:  remove_gluster | Delete pre-existing GlusterFS logs
    file:
      path: /var/log/glusterfs
      state: absent
  - name: clean_device | Wipe FS completely
    shell: wipefs -a -f {{item}}
    with_items: "{{glusterfs_devices}}"
  - name: clean_device | Reset partition table
    shell: dd if=/dev/zero of={{item}} bs=512 count=1 conv=notrunc
    with_items: "{{glusterfs_devices}}"