openstack-ansible/scripts/teardown.sh

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#!/usr/bin/env bash
# Copyright 2014, Rackspace US, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
## Shell Opts ----------------------------------------------------------------
set -e -u
## Library Check -------------------------------------------------------------
info_block "Checking for required libraries." 2> /dev/null || source $(dirname ${0})/scripts-library.sh
## Confirmation -------------------------------------------------------------
cat <<EOF
-----------------------------------------------------------------------------
WARNING: This is a destructive action. All containers will be destroyed and
all data within the containers will be removed. Some data will be
removed from the host as well, including all configuration data
within /etc/openstack_deploy/.
Please verify that you have backed up all important data prior to
proceeding with the teardown script.
-----------------------------------------------------------------------------
To REALLY destroy all containers and delete the data within them,
type 'Y' or 'y' and press enter:
EOF
read -r
echo
if [[ ! $REPLY =~ ^[Yy]$ ]]
then
echo "Teardown canceled."
exit 1
fi
## Main ----------------------------------------------------------------------
info_block "Running Teardown"
pushd playbooks
KNOWN_HOSTS=$(ansible hosts --list-hosts) || true
if [ -z "${KNOWN_HOSTS}" ];then
ANSIBLE_DESTROY_HOSTS="localhost"
else
ANSIBLE_DESTROY_HOSTS="hosts"
fi
# Create the destroy play
cat > /tmp/destroy_play.yml <<EOF
- name: Destruction of openstack
hosts: "${ANSIBLE_DESTROY_HOSTS}"
gather_facts: false
user: root
tasks:
- name: Get containers
command: lxc-ls
register: onlinecontainers
failed_when: false
- name: Destroy containers
command: lxc-destroy -fn "{{ item }}"
with_items: onlinecontainers.stdout_lines
when: onlinecontainers.rc == 0 and onlinecontainers.stdout
- name: Shutdown the lxc bridge
shell: |
ifdown {{ item }} || true
with_items: shut_interfaces_down
- name: Lxc system manage shutdown
shell: |
lxc-system-manage system-force-tear-down || true
lxc-system-manage veth-cleanup || true
failed_when: false
- name: Get os service script
shell: |
ls /etc/init | grep -e nova -e swift -e neutron -e haproxy
failed_when: false
register: servicenames
- name: Stop services
service:
name: "{{ item.split('.')[0] }}"
state: "stopped"
enabled: no
failed_when: false
with_items: servicenames.stdout_lines
when: servicenames.stdout
- name: Remove init scripts
shell: |
rm "/etc/init/{{ item }}"
with_items: servicenames.stdout_lines
when: servicenames.stdout
- name: Get pip packages
shell: |
pip freeze | grep -i {% for i in remove_pip_packages %} -e {{ i }}{% endfor %}
register: pippackages
failed_when: false
- name: Remove python packages
pip:
name: "{{ item }}"
state: "absent"
with_items: pippackages.stdout_lines
when: pippackages.stdout
- name: Remove packages
apt:
name: "{{ item }}"
state: "absent"
with_items: remove_packages
failed_when: false
- name: Clean up apt cruft
shell: |
apt-get autoremove --yes || true
failed_when: false
- name: Get all logical volumes
shell: >
lvs | awk '/lxc/ || /cinder/ || /swift/ {print \$1","\$2}'
register: lvstorage
failed_when: false
- name: Remove all logical volumes
lvol:
vg: "{{ item.split(',')[1] }}"
lv: "{{ item.split(',')[0] }}"
state: "absent"
force: "yes"
with_items: lvstorage.stdout_lines
failed_when: false
when: lvstorage.stdout
- name: Get all dm storage devices
shell: >
dmsetup info | awk '/lxc/ || /cinder/ || /swift/ {print \$2}'
register: dmstorage
failed_when: false
- name: Remove dm storage entries
command: dmsetup remove "{{ item }}"
with_items: dmstorage.stdout_lines
when: dmstorage.stdout
- name: Get all loopback storage devices
shell: >
losetup -a | awk -F':' '{print \$1}'
register: lostorage
failed_when: false
- name: Unmount loopback storage
shell: |
umount {{ item }} || true
losetup -d {{ item }} || true
with_items: lostorage.stdout_lines
when: lostorage.stdout
failed_when: false
- name: Remove known AIO mount points (fstab)
lineinfile:
dest: "/etc/fstab"
state: "absent"
regexp: "{{ item }}.*.img"
with_items: aio_mount_points
- name: Remove known AIO mount points (rc.local)
lineinfile:
dest: "/etc/rc.local"
state: "absent"
regexp: "{{ item }}.*.img"
with_items: aio_mount_points
- name: Stop all swap
command: "swapoff -a"
failed_when: false
- name: Remove known files and folders.
shell: |
rm -rf {{ item }}
failed_when: false
with_items: remove_files
vars:
aio_mount_points:
- cinder
- swap
- swift
shut_interfaces_down:
- lxcbr0
remove_files:
- /etc/haproxy
- /etc/nova
- /etc/network/interfaces.d/aio_interfaces.cfg
- /etc/neutron
- /etc/openstack_deploy
- /etc/swift
- /openstack
- /opt/*.img
- /opt/*lxc*
- /opt/*neutron*
- /opt/*nova*
- /opt/*pip*
- /opt/*repo*
- /opt/*openstack*
- /root/.pip
- /var/lib/neutron
- /var/lib/nova
- /var/lib/mongodb
- /var/log/mongodb
- /var/log/swift
- /var/log/neutron
- /var/log/nova
remove_packages:
- haproxy
- hatop
- liblxc1
- libvirt0
- libvirt-bin
- lxc
- lxc-dev
- vim-haproxy
- mongodb-server
- mongodb-clients
- python-pymongo
remove_pip_packages:
- cinder
- eventlet
- euca2ools
- glance
- heat
- keystone
- kombu
- lxc
- lxml
- mysql
- neutron
- nova
- oslo
- Paste
- pbr
- pymongo
- repoze
- six
- sql
- swift
- turbolift
- warlock
EOF
# Destroy all of the known stuff.
if [ "${ANSIBLE_DESTROY_HOSTS}" == "localhost" ];then
echo -e '[all]\nlocalhost ansible_connection=local' | tee /tmp/localhost
openstack-ansible -i /tmp/localhost /tmp/destroy_play.yml --forks ${FORKS} || true
else
openstack-ansible lxc-containers-destroy.yml --forks ${FORKS} || true
openstack-ansible /tmp/destroy_play.yml --forks ${FORKS} || true
fi
popd
# Remove the temp destruction play
rm /tmp/destroy_play.yml &>/dev/null || true
rm /tmp/localhost &>/dev/null || true
# Final message
get_instance_info
info_block "* NOTICE *"
echo -e "The system has been torn down."
echo -e "Make sure you update and/or review the file '/etc/fstab'."
if [ ! -z "${KNOWN_HOSTS}" ];then
echo -e "The following hosts has been touched: \"${KNOWN_HOSTS}\""
fi
echo -e "Entries may need to be updated."