kolla-ansible/ansible/roles/nova-cell/tasks/libvirt-cleanup.yml
Mark Goddard 188b328566 libvirt: Fix nova-libvirt-cleanup command
This change addresses an issue in the nova-libvirt-cleanup command,
added in I46854ed7eaf1d5b5e3ccd8531c963427848bdc99.

Check for rc=1 pgrep command, since a lack of matches is a pass.

Also, use bash for set -o pipefail.

Change-Id: Iffda0dfffce8768324ffec55e629134c70e2e996
2022-04-05 08:09:14 +00:00

83 lines
2.1 KiB
YAML

---
- name: Fail if nova_libvirt container is enabled
fail:
msg: >-
The nova_libvirt container has not been cleaned up because it is enabled.
It may be disabled by setting enable_nova_libvirt_container to false.
when: enable_nova_libvirt_container | bool
- name: Get container facts
become: true
kolla_container_facts:
name:
- nova_libvirt
register: container_facts
- block:
# NOTE(mgoddard): pgrep exit status 1 means no match.
- name: Check if there are any running VMs
become: true
shell:
cmd: >
set -o pipefail &&
{ pgrep -l qemu || test $? = 1; } | awk '!/qemu-ga/ && !/qemu-img/ {print $1}'
executable: /bin/bash
register: running_vms
- name: Fail if there are any running VMs
fail:
msg: >-
Refusing to remove nova_libvirt container with running VMs:
{{ running_vms.stdout }}
when:
- running_vms.stdout != ''
- nova_libvirt_cleanup_running_vms_fatal | bool
- name: Stop and remove nova_libvirt container
become: true
kolla_docker:
action: "stop_and_remove_container"
name: nova_libvirt
when: container_facts['nova_libvirt'] is defined
- name: Remove nova_libvirt Docker volumes
become: true
kolla_docker:
action: "remove_volume"
name: "{{ item }}"
loop:
- libvirtd
- nova_libvirt_qemu
- nova_libvirt_secrets
when: nova_libvirt_cleanup_remove_volumes | bool
- name: Remove config for nova_libvirt
become: true
file:
path: "{{ node_config_directory }}/nova-libvirt"
state: "absent"
# Revert the changes applied in config-host.yml.
- block:
- name: Remove udev kolla kvm rules
become: true
file:
path: "/etc/udev/rules.d/99-kolla-kvm.rules"
state: absent
- name: Reset /dev/kvm ownership
become: true
file:
path: /dev/kvm
group: kvm
- name: Unmask qemu-kvm service
become: true
systemd:
name: qemu-kvm.service
masked: false
when:
- ansible_facts.distribution == 'Ubuntu'
when:
- nova_compute_virt_type == 'kvm'