reset-gluster-demo.yml

#IN CASE OF EMERGENCY:
# ansible gluster1 -m mount -a 'path=/gluster/vol1 state=absent'
# gluster vol stop vol1 --mode=script ; gluster vol delete vol1 --mode=script
# for i in {1..6}; do ssh gluster$i "rm -rf /bricks/sda/vol1"; ssh gluster$i "mkdir /bricks/sda/vol1"; done
# for i in {1..6}; do ssh gluster$i "rm -rf /bricks/sdb/vol1"; ssh gluster$i "mkdir /bricks/sdb/vol1"; done
# ansible all -m mount -a 'path=/bricks/sda state=absent'
# ansible all -m mount -a 'path=/bricks/sdb state=absent'
# for i in {2..6}; do gluster peer detach gluster$i; done
# ansible all -a "wipefs -af /dev/sda"
# ansible all -a "wipefs -af /dev/sdb"
---
- hosts: all
  gather_facts: no
  ignore_errors: yes
  tasks:
  - name: "Unmount the client's volume"
    mount: path=/gluster/{{ item }} state=absent
    with_items: [ vol1, vol1-snaps, vol1-clone ]

  - name: "Stop the Gluster volume"
    gluster_volume: name=vol1-clone state=stopped
    run_once: yes

#  - name: "Deactivate the Gluster volume's snapshots"
#    command: gluster snapshot deactivate snap1 --mode=script
#    run_once: yes

  - name: "Delete the Gluster volume's snapshots"
    command: gluster snapshot delete all --mode=script
    run_once: yes

  - name: "Delete the Gluster volume clone"
    gluster_volume: name=vol1-clone state=absent
    run_once: yes

  - name: "Delete the Gluster volume"
    gluster_volume: name=vol1 state=absent
    run_once: yes

  - copy:
      content: |
        #!/bin/bash
        
        for i in $(lvs --no-heading -o vg_name,lv_name | awk '{print "/dev/" $1 "/" $2}'); do umount -v $i; done
      dest: /tmp/umount_all.sh
      mode: 0755

  - name: "Force unmount /run/gluster/snaps/* dirs"
    script: /tmp/umount_all.sh

  - name: "unset gluster snapshot options"
    command: gluster snapshot config auto-delete disable --mode=script
    run_once: yes
  - command: gluster snapshot config activate-on-create disable --mode=script
    run_once: yes

  - name: "Dissolve the Trusted Storage Pool"
    command: gluster peer detach {{ item }}
    with_items: [ gluster2, gluster3 ]
    delegate_to: gluster1

  - name: "Cleanup the nodes' fstab"
    mount: 
      path: /rhgs/{{ item }} 
      state: absent
    with_items: [ sdb, sdc, sdd ]

  - name: "Remove the LVs"
    command: lvremove vg_{{ item }} --force
    with_items: [ sdb, sdc, sdd ]

  - name: "Remove the VGs"
    command: vgremove vg_{{ item }} --force
    with_items: [ sdb, sdc, sdd ]

  - name: "Remove the PVs"
    command: pvremove /dev/{{ item }} --force
    with_items: [ sdb, sdc, sdd ]

#  - name: "Wipe the drives"
#    command: wipefs -af /dev/{{ item }}
#    with_items: [ sda, sdb, sdc ]