devstack/unstack.sh
Ben Nemec 9a97326c3f Use OSCaaS to speed up devstack runs
OpenStackClient has a significant amount of startup overhead, which
adds a non-trivial amount of time to each devstack run because it makes
a lot of OSC calls. This change uses the OSC service from [0] to run
a persistent process that handles openstack calls. This removes most
of the startup overhead and in my local testing removes about three
minutes per devstack run.

Currently this is implemented as an opt-in feature. There are likely a
lot of edge cases in projects that use a devstack plugin so turning it
on universally is going to require boiling the ocean. I think getting
this in and enabled for some of the major projects should give us a lot
of the benefit without the enormous effort of making it 100% compatible
across all of OpenStack.

Depends-On: https://review.opendev.org/c/openstack/nova/+/918689
Depends-On: https://review.opendev.org/c/openstack/ironic/+/918690
Change-Id: I28e6159944746abe2d320369249b87f1c4b9e24e
0: http://lists.openstack.org/pipermail/openstack-dev/2016-April/092546.html
2024-05-14 07:30:55 -07:00

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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 $i source
done
fi
load_plugin_settings
set -o xtrace
# Run extras
# ==========
# Phase: unstack
run_phase unstack
# Call service stop
if is_service_enabled nova; then
stop_nova
cleanup_nova
fi
if is_service_enabled placement; then
stop_placement
fi
if is_service_enabled glance; then
stop_glance
fi
if is_service_enabled keystone; then
stop_keystone
fi
# Swift runs daemons
if is_service_enabled s-proxy; then
stop_swift
cleanup_swift
fi
# Apache has the WSGI processes
if is_service_enabled horizon; then
stop_horizon
fi
# Kill TLS proxies and cleanup certificates
if is_service_enabled tls-proxy; then
stop_tls_proxy
cleanup_CA
fi
SCSI_PERSIST_DIR=$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 openstack-cli-server; then
stop_service devstack@openstack-cli-server
fi
stop_dstat
# 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
clean_lvm_filter
fi
clean_pyc_files
rm -Rf $DEST/async
# Clean any safe.directory items we wrote into the global
# gitconfig. We can identify the relevant ones by checking that they
# point to somewhere in our $DEST directory.
sudo sed -i "\+directory = ${DEST}+ d" /etc/gitconfig