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#!/bin/bash

# **unstack.sh**

# Stops that which is started by ``stack.sh`` (mostly)

# mysql and rabbit are left running as OpenStack code refreshes

# do not require them to be restarted.

# Stop all processes by setting ``UNSTACK_ALL`` or specifying ``-a``

# on the command line

UNSTACK_ALL=${UNSTACK_ALL:-""}

while getopts ":a" opt; do

case $opt in

UNSTACK_ALL="-1"

;;

esac

done

# Keep track of the current DevStack directory.

TOP_DIR=$(cd $(dirname "$0") && pwd)

FILES=$TOP_DIR/files

# Import common functions

source $TOP_DIR/functions

# Import database library

source $TOP_DIR/lib/database

# Load local configuration

source $TOP_DIR/openrc

# Destination path for service data

DATA_DIR=${DATA_DIR:-${DEST}/data}

if [[ $EUID -eq 0 ]]; then

echo "You are running this script as root."

echo "It might work but you will have a better day running it as $STACK_USER"

exit 1

# Configure Projects

# ==================

# Plugin Phase 0: override_defaults - allow plugins to override

# defaults before other services are run

run_phase override_defaults

# Import apache functions

source $TOP_DIR/lib/apache

# Import TLS functions

source $TOP_DIR/lib/tls

# Source project function libraries

source $TOP_DIR/lib/infra

source $TOP_DIR/lib/oslo

source $TOP_DIR/lib/lvm

source $TOP_DIR/lib/horizon

source $TOP_DIR/lib/keystone

source $TOP_DIR/lib/glance

source $TOP_DIR/lib/nova

source $TOP_DIR/lib/placement

source $TOP_DIR/lib/cinder

source $TOP_DIR/lib/swift

source $TOP_DIR/lib/heat

source $TOP_DIR/lib/neutron

source $TOP_DIR/lib/neutron-legacy

source $TOP_DIR/lib/ldap

source $TOP_DIR/lib/dstat

source $TOP_DIR/lib/dlm

# Extras Source

# --------------

# Phase: source

if [[ -d $TOP_DIR/extras.d ]]; then

for i in $TOP_DIR/extras.d/*.sh; do

[[ -r $i ]] && source $i source

done

load_plugin_settings

# Determine what system we are running on. This provides ``os_VENDOR``,

# ``os_RELEASE``, ``os_PACKAGE``, ``os_CODENAME``

GetOSVersion

set -o xtrace

# Run extras

# ==========

# Phase: unstack

run_phase unstack

# Call service stop

if is_service_enabled heat; then

stop_heat

if is_service_enabled nova; then

stop_nova

if is_service_enabled placement; then

stop_placement

if is_service_enabled glance; then

stop_glance

if is_service_enabled keystone; then

stop_keystone

# Swift runs daemons

if is_service_enabled s-proxy; then

stop_swift

cleanup_swift

# Apache has the WSGI processes

if is_service_enabled horizon; then

stop_horizon

# Kill TLS proxies and cleanup certificates

if is_service_enabled tls-proxy; then

stop_tls_proxy

cleanup_CA

if [ "$USE_SSL" == "True" ]; then

cleanup_CA

SCSI_PERSIST_DIR=$CINDER_STATE_PATH/volumes/*

# BUG: tgt likes to exit 1 on service stop if everything isn't

# perfect, we should clean up cinder stop paths.

# Get the iSCSI volumes

if is_service_enabled cinder; then

stop_cinder || /bin/true

cleanup_cinder || /bin/true

if [[ -n "$UNSTACK_ALL" ]]; then

# Stop MySQL server

if is_service_enabled mysql; then

stop_service mysql

if is_service_enabled postgresql; then

stop_service postgresql

# Stop rabbitmq-server

if is_service_enabled rabbit; then

stop_service rabbitmq-server

if is_service_enabled neutron; then

stop_neutron

cleanup_neutron

if is_service_enabled dstat; then

stop_dstat

# Clean up the remainder of the screen processes

SCREEN=$(which screen)

if [[ -n "$SCREEN" ]]; then

SESSION=$(screen -ls | awk "/[0-9]+.${SCREEN_NAME}/"'{ print $1 }')

if [[ -n "$SESSION" ]]; then

screen -X -S $SESSION quit

# NOTE: Cinder automatically installs the lvm2 package, independently of the

# enabled backends. So if Cinder is enabled, and installed successfully we are

# sure lvm2 (lvremove, /etc/lvm/lvm.conf, etc.) is here.

if is_service_enabled cinder && is_package_installed lvm2; then

# Using /bin/true here indicates a BUG - maybe the

# DEFAULT_VOLUME_GROUP_NAME doesn't exist? We should

# isolate this further down in lib/cinder cleanup.

clean_lvm_volume_group $DEFAULT_VOLUME_GROUP_NAME || /bin/true

clean_lvm_filter