Fichier d’init pour Mysql

dimanche 23 août 2009
par Speed O pc
popularité : 13%

Fichier d’init pour Mysql

Fichier d’initialisation de mysql à mettre dans votre /etc/rc.d/init.d.

Il est fournit dans les "sources" de mysql, biensur il est à modifier à votre convenance (attention aux chemins bien mettre les votres) :

Voici les options qu’il offre :

Usage : /etc/init.d/mysql start|stop|restart|reload|force-reload|status MySQL server options

# Script d'init MySql

basedir=/opt/mysql
datadir=/opt/mysql/data
service_startup_timeout=900
pid_file=
server_pid_file=
use_mysqld_safe=1
user=mysql
if test -z "$basedir"
then
 basedir=/opt/mysql
 bindir=./bin
 if test -z "$datadir"
 then
   datadir=/opt/mysql/data
 fi
 sbindir=./bin
 libexecdir=./bin
else
 bindir="$basedir/bin"
 if test -z "$datadir"
 then
   datadir="$basedir/data"
 fi
 sbindir="$basedir/sbin"
 libexecdir="$basedir/libexec"
fi
datadir_set=
lsb_functions="/lib/lsb/init-functions"
if test -f $lsb_functions ; then
 . $lsb_functions
else
 log_success_msg()
 {
   echo " SUCCESS! $@"
 }
 log_failure_msg()
 {
   echo " ERROR! $@"
 }
fi
PATH=/sbin:/usr/sbin:/bin:/usr/bin:$basedir/bin
export PATH
mode=$1    # start or stop
shift
other_args="$*"   # uncommon, but needed when called from an RPM upgrade action
case `echo "testing\c"`,`echo -n testing` in
   *c*,-n*) echo_n=   echo_c=     ;;
   *c*,*)   echo_n=-n echo_c=     ;;
   *)       echo_n=   echo_c='\c' ;;
esac
parse_server_arguments() {
 for arg do
   case "$arg" in
     --basedir=*)  basedir=`echo "$arg" | sed -e 's/^[^=]*=//'`
                   bindir="$basedir/bin"
                    if test -z "$datadir_set"; then
                      datadir="$basedir/data"
                    fi
                    sbindir="$basedir/sbin"
                    libexecdir="$basedir/libexec"
       ;;
     --datadir=*)  datadir=`echo "$arg" | sed -e 's/^[^=]*=//'`
                    datadir_set=1
        ;;
     --user=*)  user=`echo "$arg" | sed -e 's/^[^=]*=//'` ;;
     --pid-file=*) server_pid_file=`echo "$arg" | sed -e 's/^[^=]*=//'` ;;
     --service-startup-timeout=*) service_startup_timeout=`echo "$arg" | sed -e 's/^[^=]*=//'` ;;
     --use-mysqld_safe) use_mysqld_safe=1;;
     --use-manager)     use_mysqld_safe=0;;
   esac
 done
}
parse_manager_arguments() {
 for arg do
   case "$arg" in
     --pid-file=*) pid_file=`echo "$arg" | sed -e 's/^[^=]*=//'` ;;
     --user=*)  user=`echo "$arg" | sed -e 's/^[^=]*=//'` ;;
   esac
 done
}
wait_for_pid () {
 verb="$1"
 manager_pid="$2"  # process ID of the program operating on the pid-file
 i=0
 avoid_race_condition="by checking again"
 while test $i -ne $service_startup_timeout ; do
   case "$verb" in
     'created')
       test -s $pid_file && i='' && break
       ;;
     'removed')
       test ! -s $pid_file && i='' && break
       ;;
     *)
       echo "wait_for_pid () usage: wait_for_pid created|removed manager_pid"
       exit 1
       ;;
   esac
   if test -n "$manager_pid"; then
     if kill -0 "$manager_pid" 2>/dev/null; then
       :  # the manager still runs
     else
       if test -n "$avoid_race_condition"; then
         avoid_race_condition=""
         continue  # Check again.
       fi
       log_failure_msg "Manager of pid-file quit without updating file."
       return 1  # not waiting any more.
     fi
   fi
   echo $echo_n ".$echo_c"
   i=`expr $i + 1`
   sleep 1
 done
 if test -z "$i" ; then
   log_success_msg
   return 0
 else
   log_failure_msg
   return 1
 fi
}
if test -x ./bin/my_print_defaults
then
 print_defaults="./bin/my_print_defaults"
elif test -x $bindir/my_print_defaults
then
 print_defaults="$bindir/my_print_defaults"
elif test -x $bindir/mysql_print_defaults
then
 print_defaults="$bindir/mysql_print_defaults"
else
 conf=/etc/my.cnf
 print_defaults=
 if test -r $conf
 then
   subpat='^[^=]*basedir[^=]*=\(.*\)$'
   dirs=`sed -e "/$subpat/!d" -e 's//\1/' $conf`
   for d in $dirs
   do
     d=`echo $d | sed -e 's/[         ]//g'`
     if test -x "$d/bin/my_print_defaults"
     then
       print_defaults="$d/bin/my_print_defaults"
       break
     fi
     if test -x "$d/bin/mysql_print_defaults"
     then
       print_defaults="$d/bin/mysql_print_defaults"
       break
     fi
   done
 fi
 test -z "$print_defaults" && print_defaults="my_print_defaults"
fi
extra_args=""
if test -r "$basedir/my.cnf"
then
 extra_args="-e $basedir/my.cnf"
else
 if test -r "$datadir/my.cnf"
 then
   extra_args="-e $datadir/my.cnf"
 fi
fi
parse_server_arguments `$print_defaults $extra_args mysqld server mysql_server mysql.server`
parse_manager_arguments `$print_defaults $extra_args manager`
if test -z "$pid_file"
then
 pid_file=$datadir/mysqlmanager-`/bin/hostname`.pid
else
 case "$pid_file" in
   /* ) ;;
   * )  pid_file="$datadir/$pid_file" ;;
 esac
fi
if test -z "$server_pid_file"
then
 server_pid_file=$datadir/`/bin/hostname`.pid
else
 case "$server_pid_file" in
   /* ) ;;
   * )  server_pid_file="$datadir/$server_pid_file" ;;
 esac
fi
case "$mode" in
 'start')
   cd $basedir
   manager=$bindir/mysqlmanager
   if test -x $libexecdir/mysqlmanager
   then
     manager=$libexecdir/mysqlmanager
   elif test -x $sbindir/mysqlmanager
   then
     manager=$sbindir/mysqlmanager
   fi
   echo $echo_n "Starting MySQL"
   if test -x $manager -a "$use_mysqld_safe" = "0"
   then
     if test -n "$other_args"
     then
       log_failure_msg "MySQL manager does not support options '$other_args'"
       exit 1
     fi
     "$manager" \
       --mysqld-safe-compatible \
       --user="$user" \
       --pid-file="$pid_file" >/dev/null 2>&1 &
     wait_for_pid created $!; return_value=$?
     if test -w /var/lock/subsys
     then
       touch /var/lock/subsys/mysqlmanager
     fi
     exit $return_value
   elif test -x $bindir/mysqld_safe
   then
     pid_file=$server_pid_file
     $bindir/mysqld_safe --datadir=$datadir --pid-file=$server_pid_file $other_args >/dev/null 2>&1 &
     wait_for_pid created $!; return_value=$?
     if test -w /var/lock/subsys
     then
       touch /var/lock/subsys/mysql
     fi
     exit $return_value
   else
     log_failure_msg "Couldn't find MySQL manager ($manager) or server ($bindir/mysqld_safe)"
   fi
   ;;
 'stop')
   lock_dir=/var/lock/subsys/mysqlmanager
   if test ! -s "$pid_file"
   then
     pid_file=$server_pid_file
     lock_dir=/var/lock/subsys/mysql
   fi
   if test -s "$pid_file"
   then
     mysqlmanager_pid=`cat $pid_file`
     echo $echo_n "Shutting down MySQL"
     kill $mysqlmanager_pid
     wait_for_pid removed "$mysqlmanager_pid"; return_value=$?
     if test -f $lock_dir
     then
       rm -f $lock_dir
     fi
     exit $return_value
   else
     log_failure_msg "MySQL manager or server PID file could not be found!"
   fi
   ;;
 'restart')
   if $0 stop  $other_args; then
     $0 start $other_args
   else
     log_failure_msg "Failed to stop running server, so refusing to try to start."
     exit 1
   fi
   ;;
 'reload'|'force-reload')
   if test -s "$server_pid_file" ; then
     read mysqld_pid <  $server_pid_file
     kill -HUP $mysqld_pid && log_success_msg "Reloading service MySQL"
     touch $server_pid_file
   else
     log_failure_msg "MySQL PID file could not be found!"
     exit 1
   fi
   ;;
 'status')
   if test -s "$server_pid_file" ; then
     read mysqld_pid < $server_pid_file
     if kill -0 $mysqld_pid 2>/dev/null ; then
       log_success_msg "MySQL running ($mysqld_pid)"
       exit 0
     else
       log_failure_msg "MySQL is not running, but PID file exists"
       exit 1
     fi
   else
     mysqld_pid=`pidof $libexecdir/mysqld`
     if test -z $mysqld_pid ; then
       if test "$use_mysqld_safe" = "0" ; then
         lockfile=/var/lock/subsys/mysqlmanager
       else
         lockfile=/var/lock/subsys/mysql
       fi
       if test -f $lockfile ; then
         log_failure_msg "MySQL is not running, but lock exists"
         exit 2
       fi
       log_failure_msg "MySQL is not running"
       exit 3
     else
       log_failure_msg "MySQL is running but PID file could not be found"
       exit 4
     fi
   fi
   ;;
   *)
     echo "Usage: $0  {start|stop|restart|reload|force-reload|status}  [ MySQL server options ]"
     exit 1
   ;;
esac
exit 0

Créer un fichier mysql :

vi /etc/rc.d/init.d/mysql

copier le script dedans

chmod +x /etc/rc.d/init.d/mysql

(pour le rendre exécutable)

Ensuite...

invoke-rc.d mysql stop/start ou service mysql stop/start devrait fonctionner !


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