146 lines
3.6 KiB
Bash
Executable File
146 lines
3.6 KiB
Bash
Executable File
#!/bin/bash
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#
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# taosd This shell script takes care of starting and stopping TDEngine.
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#
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# chkconfig: 2345 99 01
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# description: TDEngine is a districuted, scalable, high-performance Time Series Database
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# (TSDB). More than just a pure database, TDEngine also provides the ability
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# to do stream computing, aggregation etc.
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#
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#
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### BEGIN INIT INFO
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# Provides: taosd
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# Required-Start: $network $local_fs $remote_fs
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# Required-Stop: $network $local_fs $remote_fs
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# Short-Description: start and stop taosd
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# Description: TDEngine is a districuted, scalable, high-performance Time Series Database
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# (TSDB). More than just a pure database, TDEngine also provides the ability
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# to do stream computing, aggregation etc.
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### END INIT INFO
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# Source init functions
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. /etc/init.d/functions
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# Maximum number of open files
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MAX_OPEN_FILES=65535
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# Default program options
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NAME=taosd
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PROG=/usr/local/bin/taos/taosd
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USER=root
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GROUP=root
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# Default directories
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LOCK_DIR=/var/lock/subsys
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PID_DIR=/var/run/$NAME
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# Set file names
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LOCK_FILE=$LOCK_DIR/$NAME
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PID_FILE=$PID_DIR/$NAME.pid
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[ -e $PID_DIR ] || mkdir -p $PID_DIR
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PROG_OPTS=""
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start() {
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echo -n "Starting ${NAME}: "
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# check identity
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curid="`id -u -n`"
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if [ "$curid" != root ] && [ "$curid" != "$USER" ] ; then
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echo "Must be run as root or $USER, but was run as $curid"
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return 1
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fi
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# Sets the maximum number of open file descriptors allowed.
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ulimit -n $MAX_OPEN_FILES
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curulimit="`ulimit -n`"
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if [ "$curulimit" -lt $MAX_OPEN_FILES ] ; then
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echo "'ulimit -n' must be greater than or equal to $MAX_OPEN_FILES, is $curulimit"
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return 1
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fi
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if [ "`id -u -n`" == root ] ; then
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# Changes the owner of the lock, and the pid files to allow
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# non-root OpenTSDB daemons to run /usr/share/opentsdb/bin/opentsdb_restart.py.
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touch $LOCK_FILE && chown $USER:$GROUP $LOCK_FILE
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touch $PID_FILE && chown $USER:$GROUP $PID_FILE
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daemon --user $USER --pidfile $PID_FILE "$PROG $PROG_OPTS &> /dev/null &"
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else
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# Don't have to change user.
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daemon --pidfile $PID_FILE "$PROG $PROG_OPTS &> /dev/null &"
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fi
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retval=$?
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sleep 2
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echo
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[ $retval -eq 0 ] && (findproc > $PID_FILE && touch $LOCK_FILE)
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return $retval
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}
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stop() {
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echo -n "Stopping ${NAME}: "
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killproc -p $PID_FILE $NAME
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retval=$?
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echo
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# Non-root users don't have enough permission to remove pid and lock files.
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# So, the opentsdb_restart.py cannot get rid of the files, and the command
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# "service opentsdb status" will complain about the existing pid file.
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# Makes the pid file empty.
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echo > $PID_FILE
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[ $retval -eq 0 ] && (rm -f $PID_FILE && rm -f $LOCK_FILE)
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return $retval
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}
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restart() {
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stop
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start
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}
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reload() {
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restart
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}
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force_reload() {
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restart
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}
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rh_status() {
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# run checks to determine if the service is running or use generic status
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status -p $PID_FILE -l $LOCK_FILE $NAME
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}
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rh_status_q() {
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rh_status >/dev/null 2>&1
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}
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case "$1" in
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start)
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rh_status_q && exit 0
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$1
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;;
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stop)
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rh_status_q || exit 0
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$1
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;;
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restart)
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$1
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;;
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reload)
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rh_status_q || exit 7
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$1
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;;
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force-reload)
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force_reload
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;;
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status)
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rh_status
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;;
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condrestart|try-restart)
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rh_status_q || exit 0
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restart
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;;
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*)
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echo "Usage: $0 {start|stop|status|restart|condrestart|try-restart|reload|force-reload}"
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exit 2
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esac
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exit $?
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