tripleo-quickstart-extras/roles/virthost-full-cleanup/tasks/main.yml

# tasks file for ansible-role-tripleo-cleanup-nfo
---
- name: remove sudoers requiretty
  lineinfile: dest=/etc/sudoers state=absent regexp="Defaults    requiretty"

- block:

    - name: unregister rhn via subscription manager
      redhat_subscription: state=absent

    - debug: msg="All errors in this block are ignored"

    - name: ensure libvirt-python is installed
      yum: name=libvirt-python state=present

    - name: get list of running libvirt guests
      virt: command=list_vms
      register: vms

    - name: display list of vms
      debug: var=vms.list_vms

    - name: undefine vms
      virt: command=undefine name={{ item }}
      with_items: "{{ vms.list_vms }}"

    - name: destroy any remaining vms
      virt: command=destroy name={{ item }}
      with_items: "{{ vms.list_vms }}"

    - name: remove images from /var/lib/libvirt/images
      shell: rm -rf /var/lib/libvirt/images/*.qcow2

    - name: remove tripleo-quickstart image cache (/var/cache/tripleo-quickstart/images)
      shell: find /var/cache/tripleo-quickstart/images/*  -mtime +3 -exec rm -rf {} \;

    - name: remove tripleo-quickstart /var/oooqvms
      command: rm -rf /var/oooqvms/
      changed_when: true

    - name: remove ansible-role-tripleo-image-build artifacts
      shell: >
        rm -rf /var/log/artib;
        rm -rf /home/oooq-images;
        rm -rf /var/lib/oooq-images;
        rm -rf /root/.cache/image-create;        

    - name: destroy brbm network
      command: virsh net-destroy brbm

    - name: destroy default network
      command: virsh net-destroy default

    - name: destroy default pool
      become: true
      command: virsh pool-destroy default

    - name: destroy local libvirt storage, networks and config
      become: true
      command: "rm -rf {{ working_dir }}/.config/libvirt"

    - name: get user_id for stack user
      shell: >
        set -euo pipefail;
        cat /etc/passwd | grep stack | awk -F ':' '{ print $3 }'        
      register: user_id

    - name: destroy /run/user/ for stack
      shell: >
        rm -Rf /run/user/{{ item }}/libvirt        
      with_items: "{{ user_id.stdout }}"

    - name: destroy virbr0 network if present
      command: brctl delbr virbr0

    - name: stop libvirtd
      service: name=libvirtd state=stopped

    - name: remove remaining libvirt config
      command: rm -Rf /etc/libvirt

    - name: remove epel-release
      yum: name=epel-release state=absent

    - name: ensure yum repos metadata and cache are clean
      shell: >
        yum-complete-transaction;
        yum clean all;
        rm -Rfv /var/cache/yum;        

    - name: remove files from /tmp
      shell: >
        rm -Rfv /tmp/*;        

    - name: remove any openvswitch bridge networks
      openvswitch_bridge: bridge=brbm state=absent

    - name: stop openvswitch
      service: name=openvswitch state=stopped

    - name: kill all processes owned by stack
      command: killall -u {{ non_root_user }}

    - name: destroy the stack user
      user: name={{ non_root_user }} remove=yes force=yes state=absent

    - name: remove stack home dir
      command: rm -Rf {{ item }}
      with_items:
        - /home/{{ non_root_user }}
        - /var/spool/mail/{{ non_root_user }}
      changed_when: true

    - name: remove files automation files from /root
      file: name={{ item }} state=absent
      with_items:
        - /root/KEYS
        - /root/fedora-prep
        - /root/.ssh/known_hosts
        - /root/.ssh/id_rsa_virt_power

    - name: kill all the network managers processes
      shell: kill -9 $(ps aux | grep NetworkManager | awk '{print $2}')
      ignore_errors: true  # When no NM running, killall exits with 1

    - name: ensure the network service is enabled
      service: name=network enabled=yes

    - name: remove files automation files from /root
      file: name={{ item }} state=absent
      with_items:
        - /usr/share/instack-undercloud
        - /usr/bin/instack-setup-host

    - name: remove any instack rpms from the host
      yum:
        name:
          - instack-*
          - rdo-release
          - rhos-release
          - libvirt
          - libvirt-daemon
          - openvswitch
          - NetworkManager
          - qemu-*
          - openstack-*
          - python-qpid-*
          - pexpect
          - python-pexpect
          - python-tuskarclient*
          - python-keystone*
          - python-openstackclient
          - python-oslo*
          - python-qpid
          - python-ironic*
          - python-eventlet
          - tripleo-*
          - python-rdomanager-*
          - jq
          - python-tripleo*
        state: absent
      ignore_errors: true

    - name: find any remaining rpms from director repos
      shell: "yumdb search from_repo rhelosp-*-director* | egrep -v from_repo | grep -v '^$' | tail -n +2 "
      register: director_rpms

    - name: find any remaining rpms from rhos repos
      shell: "yumdb search from_repo rhelosp-*-p* | egrep -v from_repo | grep -v '^$' | tail -n +2 "
      register: rhos_rpms

    - name: find any remaining rpms from delorean repos
      shell: "yumdb search from_repo delorean* | egrep -v from_repo | grep -v '^$' | tail -n +2 "
      register: delorean_rpms

    # BUG: when this task encounters an rpm of the form "1:somerpm" it fails
    # - name: debug
    #  debug: var={{ item }}
    #  with_flattened:
    #    - director_rpms.stdout_lines
    #    - rhos_rpms.stdout_lines
    #    - delorean_rpms.stdout_lines

    - name: remove any openstack rpms from the host
      yum: name={{ item }} state=absent
      ignore_errors: true
      with_flattened:
        - "{{ director_rpms.stdout_lines }}"
        - "{{ rhos_rpms.stdout_lines }}"
        - "{{ delorean_rpms.stdout_lines }}"

    # this task *MUST* be the last task that is run
    - name: remove all the yum repos <nuke>
      shell: rm -Rf /etc/yum.repos.d/*

  # end of block
  ignore_errors: true