hpc-cloud/nuke.yml

---
# This playbook will reset the instalation to facilitate a new installation.
# All data is lost!
- hosts: all
  become: true
  name: Cleanup tasks on all hosts.
  tasks:
    - name: Stop docker service
      shell: "systemctl stop docker"
    - name: Verify docker is stopped.
      systemd:
        name: docker
        state: stopped
    - name: Purge docker images.
      shell: "rm -rf /var/lib/docker/"
    - name: remove volumes
      shell: "rm -rf /srv"
    - name: remove network namespaces
      shell: "rm /var/run/netns/*"
      ignore_errors: true
    - name: Remove stale vxlan interfaces
      shell: "for interface in $(ip link | grep DOWN | grep -Po 'vxlan-\\d{1,2}'); do ip link del $interface ; done"
      ignore_errors: true


- hosts: nova-compute
  gather_facts: false
  become: true
  tasks:
    - name: kill all vm's
      shell: "for machine in  $(virsh list --uuid ); do virsh destroy $machine ; done"
    - name: wipe all vm's
      shell: "for machine in  $(virsh list --uuid --all); do virsh undefine $machine ; done"