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|
#!/bin/bash
# mongod - Startup script for mongod
### BEGIN INIT INFO
# Provides: mongod
# Required-Start: $network
# Required-Stop: $network
# Default-Start: 2 3 5
# Default-Stop: 0 1 6
# Short-Description: Mongod
# Description: Mongod
### END INIT INFO
# Source function library.
. /etc/rc.status
rc_reset
PIDFILEPATH="/var/run/mongodb/mongod.pid"
PIDDIR=`dirname $PIDFILEPATH`
# NOTE: if you change any OPTIONS here, you get what you pay for:
# this script assumes all options are in the config file.
CONFIGFILE="/etc/mongod.conf"
OPTIONS=" -f $CONFIGFILE --fork --pidfilepath $PIDFILEPATH"
mongod=${MONGOD-/usr/bin/mongod}
MONGO_USER=mongod
MONGO_GROUP=mongod
# All variables set before this point can be overridden by users, by
# setting them directly in the SYSCONFIG file. Use this to explicitly
# override these values, at your own risk.
SYSCONFIG="/etc/sysconfig/mongod"
if [ -f "$SYSCONFIG" ]; then
. "$SYSCONFIG"
fi
# Handle NUMA access to CPUs (SERVER-3574)
# This verifies the existence of numactl as well as testing that the command works
NUMACTL_ARGS="--interleave=all"
if which numactl >/dev/null 2>/dev/null && numactl $NUMACTL_ARGS ls / >/dev/null 2>/dev/null
then
NUMACTL="$(which numactl) $NUMACTL_ARGS"
else
NUMACTL=""
fi
start()
{
# Make sure the default pidfile directory exists
if [ ! -d $PIDDIR ]; then
install -d -m 0755 -o $MONGO_USER -g $MONGO_GROUP $PIDDIR
fi
# Recommended ulimit values for mongod or mongos
# See https://docs.mongodb.com/manual/reference/ulimit/#recommended-ulimit-settings
#
ulimit -f unlimited
ulimit -t unlimited
ulimit -v unlimited
ulimit -n 64000
ulimit -m unlimited
ulimit -u 64000
ulimit -l unlimited
echo -n "Starting mongod: "
$NUMACTL /sbin/start_daemon -u "$MONGO_USER" -p "$PIDFILEPATH" $mongod $OPTIONS >/dev/null 2>&1
RETVAL=$?
[ $RETVAL -eq 0 ] && touch /var/lock/subsys/mongod
return $RETVAL
}
stop()
{
echo -n "Stopping mongod: "
mongo_killproc "$PIDFILEPATH" $mongod
RETVAL=$?
[ $RETVAL -eq 0 ] && rm -f /var/lock/subsys/mongod
return $RETVAL
}
restart () {
stop
start
}
# Send TERM signal to process and wait up to 300 seconds for process to go away.
# If process is still alive after 300 seconds, send KILL signal.
# Built-in killproc() (found in /etc/init.d/functions) is on certain versions of Linux
# where it sleeps for the full $delay seconds if process does not respond fast enough to
# the initial TERM signal.
mongo_killproc()
{
local pid_file=$1
local procname=$2
local -i delay=300
local -i duration=10
local pid=`pidofproc -p "${pid_file}" ${procname}`
kill -TERM $pid >/dev/null 2>&1
usleep 100000
local -i x=0
while [ $x -le $delay ] && checkproc -p "${pid_file}" ${procname}; do
sleep $duration
x=$(( $x + $duration))
done
kill -KILL $pid >/dev/null 2>&1
usleep 100000
checkproc -p "${pid_file}" ${procname} # returns 0 only if the process exists.
local RC=$?
[ "$RC" -eq 0 ] || rm -f "${pid_file}" # remove the pidfile only if there is no process.
RC=$((! $RC)) # invert return code so we return 0 when process is dead.
return $RC
}
RETVAL=0
case "$1" in
start)
start
rc_status -v
;;
stop)
stop
rc_status -v
;;
restart|reload|force-reload)
restart
rc_status -v
;;
condrestart)
[ -f /var/lock/subsys/mongod ] && restart || :
rc_status
;;
status)
echo -n "Checking for mongod:"
checkproc -p "$PIDFILEPATH" $mongod
rc_status -v
;;
*)
echo "Usage: $0 {start|stop|status|restart|reload|force-reload|condrestart}"
exit 1
esac
rc_exit
|
