mysql/SOURCES/mysql.init.in
2021-10-08 13:55:43 +00:00

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#!/bin/sh
#
# @DAEMON_NAME@ This shell script takes care of starting and stopping
# the MySQL subsystem (mysqld).
#
# chkconfig: - 64 36
# description: MySQL database server.
# processname: mysqld
# config: @sysconfdir@/my.cnf
# pidfile: /var/run/@DAEMON_NAME@/@DAEMON_NO_PREFIX@.pid
### BEGIN INIT INFO
# Provides: mysqld
# Required-Start: $local_fs $remote_fs $network $named $syslog $time
# Required-Stop: $local_fs $remote_fs $network $named $syslog $time
# Short-Description: start and stop MySQL server
# Description: MySQL database server
### END INIT INFO
# Source function library.
. /etc/rc.d/init.d/functions
# Source networking configuration.
. /etc/sysconfig/network
exec="@bindir@/mysqld_safe"
prog="@DAEMON_NAME@"
# Set timeouts here so they can be overridden from @sysconfdir@/sysconfig/@DAEMON_NO_PREFIX@
STARTTIMEOUT=300
STOPTIMEOUT=60
# User and group the daemon will run under
MYUSER=mysql
MYGROUP=mysql
# Edit the following file in order to re-write some of the environment
# variables defined above, like $STARTTIMEOUT, $STOPTIMEOUT, $exec
[ -e @sysconfdir@/sysconfig/@DAEMON_NO_PREFIX@ ] && . @sysconfdir@/sysconfig/@DAEMON_NO_PREFIX@
lockfile=/var/lock/subsys/$prog
# get options from my.cnf
source "@libexecdir@/mysql-scripts-common"
start(){
[ -x $exec ] || exit 5
# check permissions
if ! touch $(dirname $socketfile) &>/dev/null ; then
action $"Starting $prog: " /bin/false
return 4
fi
# check to see if it's already running
MYSQLDRUNNING=0
if [ -f "$pidfile" ]; then
MYSQLPID=`cat "$pidfile" 2>/dev/null`
if [ -n "$MYSQLPID" ] && [ -d "/proc/$MYSQLPID" ] ; then
MYSQLDRUNNING=1
fi
fi
RESPONSE=`@bindir@/mysqladmin --no-defaults --socket="$socketfile" --user=UNKNOWN_MYSQL_USER ping 2>&1`
if [ $MYSQLDRUNNING = 1 ] && [ $? = 0 ]; then
# already running, do nothing
action $"Starting $prog: " /bin/true
ret=0
elif [ $MYSQLDRUNNING = 1 ] && echo "$RESPONSE" | grep -q "Access denied for user"
then
# already running, do nothing
action $"Starting $prog: " /bin/true
ret=0
else
@libexecdir@/mysql-check-socket || return 1
su - $MYUSER -s /bin/bash -c "@libexecdir@/mysql-prepare-db-dir $MYUSER $MYGROUP" || return 4
# Pass all the options determined above, to ensure consistent behavior.
# In many cases mysqld_safe would arrive at the same conclusions anyway
# but we need to be sure. (An exception is that we don't force the
# log-error setting, since this script doesn't really depend on that,
# and some users might prefer to configure logging to syslog.)
# Note: set --basedir to prevent probes that might trigger SELinux
# alarms, per bug #547485
su - $MYUSER -s /bin/bash -c "$exec --datadir='$datadir' --socket='$socketfile' \
--pid-file='$pidfile' \
--basedir=@prefix@ --user=$MYUSER" >/dev/null 2>&1 &
safe_pid=$!
# Wait until the daemon is up
su - $MYUSER -s /bin/bash -c "@libexecdir@/mysql-wait-ready '$safe_pid'"
ret=$?
if [ $ret -eq 0 ]; then
action $"Starting $prog: " /bin/true
chmod o+r $pidfile >/dev/null 2>&1
touch $lockfile
else
action $"Starting $prog: " /bin/false
fi
fi
return $ret
}
stop(){
if [ ! -f "$pidfile" ]; then
# not running; per LSB standards this is "ok"
action $"Stopping $prog: " /bin/true
return 0
fi
MYSQLPID=`cat "$pidfile" 2>/dev/null`
if [ -n "$MYSQLPID" ]; then
if ! [ -d "/proc/$MYSQLPID" ] ; then
# process doesn't run anymore
action $"Stopping $prog: " /bin/true
return 0
fi
/bin/kill "$MYSQLPID" >/dev/null 2>&1
ret=$?
if [ $ret -eq 0 ]; then
TIMEOUT="$STOPTIMEOUT"
while [ $TIMEOUT -gt 0 ]; do
/bin/kill -0 "$MYSQLPID" >/dev/null 2>&1 || break
sleep 1
let TIMEOUT=${TIMEOUT}-1
done
if [ $TIMEOUT -eq 0 ]; then
echo "Timeout error occurred trying to stop MySQL Daemon."
ret=1
action $"Stopping $prog: " /bin/false
else
rm -f $lockfile
rm -f "$socketfile"
action $"Stopping $prog: " /bin/true
fi
else
# kill command failed, probably insufficient permissions
action $"Stopping $prog: " /bin/false
ret=4
fi
else
# failed to read pidfile, probably insufficient permissions
action $"Stopping $prog: " /bin/false
ret=4
fi
return $ret
}
restart(){
stop
start
}
condrestart(){
[ -e $lockfile ] && restart || :
}
# See how we were called.
case "$1" in
start)
start
;;
stop)
stop
;;
status)
status -p "$pidfile" $prog
;;
restart)
restart
;;
condrestart|try-restart)
condrestart
;;
reload)
exit 3
;;
force-reload)
restart
;;
*)
echo $"Usage: $0 {start|stop|status|restart|condrestart|try-restart|reload|force-reload}"
exit 2
esac
exit $?