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#!/bin/bash
#
# dm-daq-web-service
#
# Starts the DM WebService daemon
#
# chkconfig: 345 98 98
# description: controls DM Web Service daemon
### BEGIN INIT INFO
# Provides: dm-daq-web-service
# Required-Start: $local_fs $network
# Required-Stop: $local_fs $network
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Description: Controls DM DAQ Web Service daemon
### END INIT INFO
# Source function library.
. /etc/rc.d/init.d/functions
# Arguments
ACTION=$1
DM_DB_NAME=$2
DM_DB_NAME=${DM_DB_NAME:=dm}
# Set root to default if needed.
MY_DIR=`dirname $0` && cd $MY_DIR && MY_DIR=`pwd`
if [ -z "${DM_ROOT_DIR}" ]; then
DM_ROOT_DIR=$MY_DIR/../..
fi
# Source environment file.
DM_USER=`id -nu`
DM_HOST=`hostname -s`
DM_ENV_FILE=${DM_ROOT_DIR}/setup.sh
if [ ! -f ${DM_ENV_FILE} ]; then
echo "Environment file ${DM_ENV_FILE} does not exist."
exit 2
fi
. ${DM_ENV_FILE} > /dev/null
mkdir -p ${DM_INSTALL_DIR}/var/run
mkdir -p ${DM_INSTALL_DIR}/var/log
DM_DAEMON_NAME="${DM_DB_NAME}.DaqWebService"
DM_DAEMON_CMD=${DM_ROOT_DIR}/sbin/daqWebService.py
DM_PID_FILE=${DM_INSTALL_DIR}/var/run/${DM_DB_NAME}.daq-web-service.pid
DM_CONFIG_FILE=${DM_INSTALL_DIR}/etc/${DM_DB_NAME}.daq-web-service.conf
DM_DAEMON_START_ARGS="-d -p $DM_PID_FILE --config-file $DM_CONFIG_FILE"
# Determine su command
SU=su
if [ -x /sbin/runuser ]; then
SU=runuser
fi
RETVAL=0
start() {
# Check if service is already running
status -p $DM_PID_FILE > /dev/null 2>&1
if [ $? -eq 0 ]; then
PID=`cat $DM_PID_FILE`
echo $"$DM_DAEMON_NAME daemon is already running (pid: $PID)."
RETVAL=1
return $RETVAL
fi
echo -n $"Starting $DM_DAEMON_NAME daemon: "
# Check if we're a privileged user
if [ `id -u` = 0 -a ${DM_USER} != "root" ]; then
$SU -m -c "${DM_DAEMON_CMD} ${DM_DAEMON_START_ARGS}" ${DM_USER}
else
${DM_DAEMON_CMD} ${DM_DAEMON_START_ARGS}
fi
RETVAL=$?
[ $RETVAL -eq 0 ] && success $"$DM_DAEMON_NAME startup" || failure $"$DM_DAEMON_NAME startup"
echo
return $RETVAL
}
stop() {
# Check if service is already running
status -p $DM_PID_FILE > /dev/null 2>&1
if [ $? -ne 0 ]; then
echo $"$DM_DAEMON_NAME daemon is not running."
RETVAL=1
return $RETVAL
fi
echo -n $"Stopping $DM_DAEMON_NAME daemon: "
PID=`cat $DM_PID_FILE`
kill $PID
RETVAL=$?
sleep 1
# Make sure we kill the process always, regardless of
# what happened with first kill
kill -KILL $PID > /dev/null 2>&1
[ $RETVAL -eq 0 ] && rm -f $DM_PID_FILE && success $"$DM_DAEMON_NAME shutdown" || failure $"$DM_DAEMON_NAME shutdown"
echo
return $RETVAL
}
restart() {
stop
sleep 1
start
}
case "$ACTION" in
start)
start
;;
stop)
stop
;;
restart)
restart
;;
status)
status -p $DM_PID_FILE "$DM_DAEMON_NAME" 2> /dev/null