devstack/unstack.sh
Matt Riedemann b14665f0dd Revert "Remove deprecated PostgreSQL database driver"
This reverts commit 168ca7f0a4.

Removing postgresql support from devstack was unnecessary
since it's not broken and not causing maintenance issues
as far as I know. The commit being reverted said that pg
support was deprecated in Pike but nothing in the docs or
commit message refer to official deprecation of postgres
support in devstack or openstack in general. Not to mention
that there are still postgres-based jobs that will no
longer work *and* the notification to the mailing list about
doing this happened *after* it was already done [1] leaving
stakeholders with no time to reply.

[1] http://lists.openstack.org/pipermail/openstack-discuss/2019-October/010196.html

Change-Id: Ie7036d37d79e6aba462b7c97f917e2e7aed108f9
2019-10-17 15:58:34 -04:00

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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 $opt in
a)
UNSTACK_ALL="-1"
;;
esac
done
# Keep track of the current DevStack directory.
TOP_DIR=$(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
fi
# Configure Projects
# ==================
# Determine what system we are running on. This provides ``os_VENDOR``,
# ``os_RELEASE``, ``os_PACKAGE``, ``os_CODENAME`` and ``DISTRO``
GetDistro
# 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/neutron
source $TOP_DIR/lib/ldap
source $TOP_DIR/lib/dstat
source $TOP_DIR/lib/etcd3
# Extras Source
# --------------
# Phase: source
if [[ -d $TOP_DIR/extras.d ]]; then
for i in $TOP_DIR/extras.d/*.sh; do
[[ -r $i ]] && source $i source
done
fi
load_plugin_settings
set -o xtrace
# Run extras
# ==========
# Phase: unstack
run_phase unstack
# Call service stop
if is_service_enabled nova; then
stop_nova
fi
if is_service_enabled placement; then
stop_placement
fi
if is_service_enabled glance; then
stop_glance
fi
if is_service_enabled keystone; then
stop_keystone
fi
# Swift runs daemons
if is_service_enabled s-proxy; then
stop_swift
cleanup_swift
fi
# Apache has the WSGI processes
if is_service_enabled horizon; then
stop_horizon
fi
# Kill TLS proxies and cleanup certificates
if is_service_enabled tls-proxy; then
stop_tls_proxy
cleanup_CA
fi
SCSI_PERSIST_DIR=$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
fi
if [[ -n "$UNSTACK_ALL" ]]; then
# Stop MySQL server
if is_service_enabled mysql; then
stop_service mysql
fi
if is_service_enabled postgresql; then
stop_service postgresql
fi
# Stop rabbitmq-server
if is_service_enabled rabbit; then
stop_service rabbitmq-server
fi
fi
if is_service_enabled neutron; then
stop_neutron
cleanup_neutron
fi
if is_service_enabled etcd3; then
stop_etcd3
cleanup_etcd3
fi
if is_service_enabled dstat; then
stop_dstat
fi
# 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
fi