#!/usr/bin/env bash
 #
 # 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 ``--all``
 # on the command line
 
 # Keep track of the current devstack directory.
 TOP_DIR=$(cd $(dirname "$0") && pwd)
 
 # Import common functions
 source $TOP_DIR/functions
 
 # Load local configuration
 source $TOP_DIR/stackrc
 
 # Determine what system we are running on.  This provides ``os_VENDOR``,
 # ``os_RELEASE``, ``os_UPDATE``, ``os_PACKAGE``, ``os_CODENAME``
 GetOSVersion
 
 if [[ "$1" == "--all" ]]; then
     UNSTACK_ALL=${UNSTACK_ALL:-1}
 fi
 
 # Shut down devstack's screen to get the bulk of OpenStack services in one shot
 SESSION=$(screen -ls | grep "[0-9].stack" | awk '{ print $1 }')
 if [[ -n "$SESSION" ]]; then
     screen -X -S $SESSION quit
 fi
 
 # Swift runs daemons
 if is_service_enabled swift; then
     swift-init all stop
 fi
 
 # Apache has the WSGI processes
 if is_service_enabled horizon; then
     stop_service apache2
 fi
 
 # Get the iSCSI volumes
 if is_service_enabled n-vol; then
     TARGETS=$(sudo tgtadm --op show --mode target)
     if [[ -n "$TARGETS" ]]; then
         # FIXME(dtroyer): this could very well require more here to
         #                 clean up left-over volumes
         echo "iSCSI target cleanup needed:"
         echo "$TARGETS"
     fi
     sudo stop tgt
 fi
 
 if [[ -n "$UNSTACK_ALL" ]]; then
     # Stop MySQL server
     if is_service_enabled mysql; then
         stop_service mysql
     fi
 fi