940eb07423
openldap status to return 160 for open FD approaching limit (above 95%), return 161 for open FD reaches the limit. Depends-on: https://review.opendev.org/c/starlingx/ha/+/819130 Partial-Bug: 1952126 Change-Id: I27bc46709c74c592a8a6b9505f4f2edac742e1a9 Signed-off-by: Bin Qian <bin.qian@windriver.com>
115 lines
2.7 KiB
Bash
Executable File
115 lines
2.7 KiB
Bash
Executable File
#! /bin/sh
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#
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# This is an init script for openembedded
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# Copy it to /etc/init.d/openldap and type
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# > update-rc.d openldap defaults 60
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#
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. /etc/init.d/functions
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PID_FILE='/var/run/slapd.pid'
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MAX_FD_COUNT=4096
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ALARM_THRESHOLD=3891 # 95 % MAX
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EXIT_APPROACH_LIMIT=160
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EXIT_LIMIT_REACHED=161
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################################################################################
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# Wait for a process to stop running.
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#
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################################################################################
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function wait_for_proc_stop()
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{
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PROGNAME=$1
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TIMEOUT=${2:-"5"}
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for I in $(seq 1 $TIMEOUT); do
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PID=$(pidof $PROGNAME 2> /dev/null)
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if [ $? -ne 0 ]; then
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## already dead
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return 0
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fi
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sleep 1
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done
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return 1
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}
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slapd=/usr/sbin/slapd
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test -x "$slapd" || exit 0
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RETVAL=0
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case "$1" in
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start)
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echo -n "Starting SLAPD: "
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# Bump up the open file limit for created daemons
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ulimit -n $MAX_FD_COUNT
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if [ -f /etc/openldap/schema/cn=config.ldif ]; then
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start-stop-daemon --start --oknodo --quiet --exec $slapd \
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-- -F /etc/openldap/schema/
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RETVAL=$?
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else
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start-stop-daemon --start --oknodo --quiet --exec $slapd
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RETVAL=$?
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fi
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if [ $RETVAL -ne 0 ]; then
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echo "Failed to start SLAPD."
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exit $RETVAL
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fi
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# we need to start nscd service as part of this openldap
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# init.d script since SM manages this as a service and both
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# daemons should be running on a controller host
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systemctl status nscd.service
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if [ $? -ne 0 ]; then
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echo -n "Starting NSCD: "
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systemctl start nscd.service
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RETVAL=$?
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if [ $RETVAL -ne 0 ]; then
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echo "Failed to start NSCD."
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exit $RETVAL
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fi
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fi
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echo "."
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;;
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stop)
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echo -n "Stopping NSCD: "
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systemctl stop nscd.service
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rm -f /var/run/nscd/nscd.pid
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echo -n "Stopping SLAPD: "
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start-stop-daemon --retry 60 --stop --oknodo --quiet --pidfile /var/run/slapd.pid
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RETVAL=$?
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wait_for_proc_stop $slapd 10
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WRETVAL=$?
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while [ $WRETVAL -eq 1 ]; do
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killproc $slapd
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wait_for_proc_stop $slapd 10
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WRETVAL=$?
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done
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rm -f '$PID_FILE'
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echo "."
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;;
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status)
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status $slapd
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[ $? -eq 0 ] || exit $?
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systemctl status nscd.service
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[ $? -eq 0 ] || exit $?
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PID=`cat $PID_FILE`
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FD_PATH="/proc/$PID/fd/"
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FD_CNT=`ls $FD_PATH -l | wc -l`
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[ "$FD_CNT" -lt "$MAX_FD_COUNT" ] || exit $EXIT_LIMIT_REACHED
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[ "$FD_CNT" -lt "$ALARM_THRESHOLD" ] || exit $EXIT_APPROACH_LIMIT
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;;
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restart)
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$0 stop
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$0 start
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;;
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*)
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echo "Usage: /etc/init.d/openldap {start|stop|status|restart}"
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exit 1
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esac
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exit $RETVAL
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