devstack/lib/zaqar
2015-03-22 02:41:03 +00:00

232 lines
6.7 KiB
Bash

#!/bin/bash
#
# lib/zaqar
# Install and start **Zaqar** service
# To enable a minimal set of Zaqar services, add the following to localrc:
#
# enable_service zaqar-server
#
# Dependencies:
# - functions
# - OS_AUTH_URL for auth in api
# - DEST set to the destination directory
# - SERVICE_PASSWORD, SERVICE_TENANT_NAME for auth in api
# - STACK_USER service user
# stack.sh
# ---------
# install_zaqar
# configure_zaqar
# init_zaqar
# start_zaqar
# stop_zaqar
# cleanup_zaqar
# cleanup_zaqar_mongodb
# Save trace setting
XTRACE=$(set +o | grep xtrace)
set +o xtrace
# Defaults
# --------
# Set up default directories
ZAQAR_DIR=$DEST/zaqar
ZAQARCLIENT_DIR=$DEST/python-zaqarclient
ZAQAR_CONF_DIR=/etc/zaqar
ZAQAR_CONF=$ZAQAR_CONF_DIR/zaqar.conf
ZAQAR_AUTH_CACHE_DIR=${ZAQAR_AUTH_CACHE_DIR:-/var/cache/zaqar}
# Support potential entry-points console scripts
ZAQAR_BIN_DIR=$(get_python_exec_prefix)
# Set up database backend
ZAQAR_BACKEND=${ZAQAR_BACKEND:-mongodb}
# Set Zaqar repository
ZAQAR_REPO=${ZAQAR_REPO:-${GIT_BASE}/openstack/zaqar.git}
ZAQAR_BRANCH=${ZAQAR_BRANCH:-master}
# Set client library repository
ZAQARCLIENT_REPO=${ZAQARCLIENT_REPO:-${GIT_BASE}/openstack/python-zaqarclient.git}
ZAQARCLIENT_BRANCH=${ZAQARCLIENT_BRANCH:-master}
# Set Zaqar Connection Info
ZAQAR_SERVICE_HOST=${ZAQAR_SERVICE_HOST:-$SERVICE_HOST}
ZAQAR_SERVICE_PORT=${ZAQAR_SERVICE_PORT:-8888}
ZAQAR_SERVICE_PROTOCOL=${ZAQAR_SERVICE_PROTOCOL:-$SERVICE_PROTOCOL}
# Tell Tempest this project is present
TEMPEST_SERVICES+=,zaqar
# Functions
# ---------
# Test if any Zaqar services are enabled
# is_zaqar_enabled
function is_zaqar_enabled {
[[ ,${ENABLED_SERVICES} =~ ,"zaqar-" ]] && return 0
return 1
}
# cleanup_zaqar() - Cleans up general things from previous
# runs and storage specific left overs.
function cleanup_zaqar {
if [ "$ZAQAR_BACKEND" = 'mongodb' ] ; then
cleanup_zaqar_mongodb
fi
}
# cleanup_zaqar_mongodb() - Remove residual data files, anything left over from previous
# runs that a clean run would need to clean up
function cleanup_zaqar_mongodb {
if ! timeout $SERVICE_TIMEOUT sh -c "while ! mongo zaqar --eval 'db.dropDatabase();'; do sleep 1; done"; then
die $LINENO "Mongo DB did not start"
else
full_version=$(mongo zaqar --eval 'db.dropDatabase();')
mongo_version=`echo $full_version | cut -d' ' -f4`
required_mongo_version='2.2'
if [[ $mongo_version < $required_mongo_version ]]; then
die $LINENO "Zaqar needs Mongo DB version >= 2.2 to run."
fi
fi
}
# configure_zaqarclient() - Set config files, create data dirs, etc
function configure_zaqarclient {
setup_develop $ZAQARCLIENT_DIR
}
# configure_zaqar() - Set config files, create data dirs, etc
function configure_zaqar {
setup_develop $ZAQAR_DIR
sudo install -d -o $STACK_USER -m 755 $ZAQAR_CONF_DIR
iniset $ZAQAR_CONF DEFAULT debug True
iniset $ZAQAR_CONF DEFAULT verbose True
iniset $ZAQAR_CONF DEFAULT admin_mode True
iniset $ZAQAR_CONF DEFAULT use_syslog $SYSLOG
iniset $ZAQAR_CONF 'drivers:transport:wsgi' bind $ZAQAR_SERVICE_HOST
configure_auth_token_middleware $ZAQAR_CONF zaqar $ZAQAR_AUTH_CACHE_DIR
if [ "$ZAQAR_BACKEND" = 'mysql' ] || [ "$ZAQAR_BACKEND" = 'postgresql' ] ; then
iniset $ZAQAR_CONF drivers storage sqlalchemy
iniset $ZAQAR_CONF 'drivers:storage:sqlalchemy' uri `database_connection_url zaqar`
elif [ "$ZAQAR_BACKEND" = 'mongodb' ] ; then
iniset $ZAQAR_CONF drivers storage mongodb
iniset $ZAQAR_CONF 'drivers:storage:mongodb' uri mongodb://localhost:27017/zaqar
configure_mongodb
elif [ "$ZAQAR_BACKEND" = 'redis' ] ; then
iniset $ZAQAR_CONF drivers storage redis
iniset $ZAQAR_CONF 'drivers:storage:redis' uri redis://localhost:6379
configure_redis
fi
if is_service_enabled qpid || [ -n "$RABBIT_HOST" ] && [ -n "$RABBIT_PASSWORD" ]; then
iniset $ZAQAR_CONF DEFAULT notification_driver messaging
iniset $ZAQAR_CONF DEFAULT control_exchange zaqar
fi
iniset_rpc_backend zaqar $ZAQAR_CONF
cleanup_zaqar
}
function configure_redis {
if is_ubuntu; then
install_package redis-server
pip_install redis
elif is_fedora; then
install_package redis
pip_install redis
else
exit_distro_not_supported "redis installation"
fi
}
function configure_mongodb {
# Set nssize to 2GB. This increases the number of namespaces supported
# # per database.
if is_ubuntu; then
sudo sed -i -e "
s|[^ \t]*#[ \t]*\(nssize[ \t]*=.*\$\)|\1|
s|^\(nssize[ \t]*=[ \t]*\).*\$|\1 2047|
" /etc/mongodb.conf
restart_service mongodb
elif is_fedora; then
sudo sed -i '/--nssize/!s/OPTIONS=\"/OPTIONS=\"--nssize 2047 /' /etc/sysconfig/mongod
restart_service mongod
fi
}
# init_zaqar() - Initialize etc.
function init_zaqar {
# Create cache dir
sudo install -d -o $STACK_USER $ZAQAR_AUTH_CACHE_DIR
rm -f $ZAQAR_AUTH_CACHE_DIR/*
}
# install_zaqar() - Collect source and prepare
function install_zaqar {
git_clone $ZAQAR_REPO $ZAQAR_DIR $ZAQAR_BRANCH
setup_develop $ZAQAR_DIR
}
# install_zaqarclient() - Collect source and prepare
function install_zaqarclient {
git_clone $ZAQARCLIENT_REPO $ZAQARCLIENT_DIR $ZAQARCLIENT_BRANCH
setup_develop $ZAQARCLIENT_DIR
}
# start_zaqar() - Start running processes, including screen
function start_zaqar {
if [[ "$USE_SCREEN" = "False" ]]; then
run_process zaqar-server "zaqar-server --config-file $ZAQAR_CONF --daemon"
else
run_process zaqar-server "zaqar-server --config-file $ZAQAR_CONF"
fi
echo "Waiting for Zaqar to start..."
if ! timeout $SERVICE_TIMEOUT sh -c "while ! wget --no-proxy -q -O- $ZAQAR_SERVICE_PROTOCOL://$ZAQAR_SERVICE_HOST:$ZAQAR_SERVICE_PORT/v1/health; do sleep 1; done"; then
die $LINENO "Zaqar did not start"
fi
}
# stop_zaqar() - Stop running processes
function stop_zaqar {
local serv
# Kill the zaqar screen windows
for serv in zaqar-server; do
screen -S $SCREEN_NAME -p $serv -X kill
done
}
function create_zaqar_accounts {
create_service_user "zaqar"
if [[ "$KEYSTONE_CATALOG_BACKEND" = 'sql' ]]; then
local zaqar_service=$(get_or_create_service "zaqar" \
"messaging" "Zaqar Service")
get_or_create_endpoint $zaqar_service \
"$REGION_NAME" \
"$ZAQAR_SERVICE_PROTOCOL://$ZAQAR_SERVICE_HOST:$ZAQAR_SERVICE_PORT" \
"$ZAQAR_SERVICE_PROTOCOL://$ZAQAR_SERVICE_HOST:$ZAQAR_SERVICE_PORT" \
"$ZAQAR_SERVICE_PROTOCOL://$ZAQAR_SERVICE_HOST:$ZAQAR_SERVICE_PORT"
fi
}
# Restore xtrace
$XTRACE
# Local variables:
# mode: shell-script
# End: