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- #!/bin/sh
- # Copyright Abandoned 1996 TCX DataKonsult AB & Monty Program KB & Detron HB
- # This file is public domain and comes with NO WARRANTY of any kind
- # MySQL daemon start/stop script.
- # Usually this is put in /etc/init.d (at least on machines SYSV R4 based
- # systems) and linked to /etc/rc3.d/S99mysql and /etc/rc0.d/K01mysql.
- # When this is done the mysql server will be started when the machine is
- # started and shut down when the systems goes down.
- # Comments to support chkconfig on RedHat Linux
- # chkconfig: 2345 64 36
- # description: A very fast and reliable SQL database engine.
- # Comments to support LSB init script conventions
- ### BEGIN INIT INFO
- # Provides: mysql
- # Required-Start: $local_fs $network $remote_fs
- # Should-Start: ypbind nscd ldap ntpd xntpd
- # Required-Stop: $local_fs $network $remote_fs
- # Default-Start: 2 3 4 5
- # Default-Stop: 0 1 6
- # Short-Description: start and stop MySQL
- # Description: MySQL is a very fast and reliable SQL database engine.
- ### END INIT INFO
- # If you install MySQL on some other places than /, then you
- # have to do one of the following things for this script to work:
- #
- # - Run this script from within the MySQL installation directory
- # - Create a /etc/my.cnf file with the following information:
- # [mysqld]
- # basedir=<path-to-mysql-installation-directory>
- # - Add the above to any other configuration file (for example ~/.my.ini)
- # and copy my_print_defaults to /usr/bin
- # - Add the path to the mysql-installation-directory to the basedir variable
- # below.
- #
- # If you want to affect other MySQL variables, you should make your changes
- # in the /etc/my.cnf, ~/.my.cnf or other MySQL configuration files.
- # If you change base dir, you must also change datadir. These may get
- # overwritten by settings in the MySQL configuration files.
- mycnf=/etc/my-4407.cnf
- basedir=
- datadir=/var/lib/mysql-4407
- # Default value, in seconds, afterwhich the script should timeout waiting
- # for server start.
- # Value here is overriden by value in my.cnf.
- # 0 means don't wait at all
- # Negative numbers mean to wait indefinitely
- service_startup_timeout=900
- # The following variables are only set for letting mysql.server find things.
- # Set some defaults
- pid_file=
- #/var/lib/mysql-4407/tempdump.fmpub.net.pid
- #pid_file=
- server_pid_file=
- #/var/lib/mysql-4407/tempdump.fmpub.net.pid
- use_mysqld_safe=1
- user=mysql
- if test -z "$basedir"
- then
- basedir=/
- bindir=/usr/bin
- if test -z "$datadir"
- then
- datadir=/var/lib/mysql
- fi
- sbindir=/usr/sbin
- libexecdir=/usr/sbin
- else
- bindir="$basedir/bin"
- if test -z "$datadir"
- then
- datadir="$basedir/data"
- fi
- sbindir="$basedir/sbin"
- libexecdir="$basedir/libexec"
- fi
- # datadir_set is used to determine if datadir was set (and so should be
- # *not* set inside of the --basedir= handler.)
- datadir_set=
- #
- # Use LSB init script functions for printing messages, if possible
- #
- 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
- # Expected: "--skip-networking --skip-grant-tables"
- # They are not checked here, intentionally, as it is the resposibility
- # of the "spec" file author to give correct arguments only.
- 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')
- # wait for a PID-file to pop into existence.
- test -s $pid_file && i='' && break
- ;;
- 'removed')
- # wait for this PID-file to disappear
- test ! -s $pid_file && i='' && break
- ;;
- *)
- echo "wait_for_pid () usage: wait_for_pid created|removed manager_pid"
- exit 1
- ;;
- esac
- # if manager isn't running, then pid-file will never be updated
- if test -n "$manager_pid"; then
- if kill -0 "$manager_pid" 2>/dev/null; then
- : # the manager still runs
- else
- # The manager may have exited between the last pid-file check and now.
- if test -n "$avoid_race_condition"; then
- avoid_race_condition=""
- continue # Check again.
- fi
- echo $pid_file
- echo $manager_pid
- # there's nothing that will affect the file.
- 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
- }
- # Get arguments from the my.cnf file,
- # the only group, which is read from now on is [mysqld]
- 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
- # Try to find basedir in /etc/my.cnf
- conf=$mycnf
- 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="$d/bin/mysql_print_defaults"
- break
- fi
- done
- fi
- # Hope it's in the PATH ... but I doubt it
- test -z "$print_defaults" && print_defaults="my_print_defaults"
- fi
- #
- # Read defaults file from 'basedir'. If there is no defaults file there
- # check if it's in the old (depricated) place (datadir) and read it from there
- #
- extra_args=""
- if test -r "$basedir/$mycnf"
- then
- extra_args="-e $basedir/$mycnf"
- else
- if test -r "$datadir/$mycnf"
- then
- extra_args="-e $datadir/$mycnf"
- fi
- fi
- parse_server_arguments `$print_defaults $extra_args mysqld server mysql_server mysql.server`
- # Look for the pidfile
- parse_manager_arguments `$print_defaults $extra_args manager`
- #
- # Set pid file if not given
- #
- if test -z "$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')
- # Start daemon
- # Safeguard (relative paths, core dumps..)
- 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
- # Give extra arguments to mysqld with the my.cnf file. This script may
- # be overwritten at next upgrade.
- "$manager" \
- --mysqld-safe-compatible \
- --user="$user" \
- --pid-file="$pid_file" >/dev/null 2>&1 &
- wait_for_pid created $!; return_value=$?
- # Make lock for RedHat / SuSE
- if test -w /var/lock/subsys
- then
- touch /var/lock/subsys/mysqlmanager
- fi
- exit $return_value
- elif test -x $bindir/mysqld_safe
- then
- # Give extra arguments to mysqld with the my.cnf file. This script
- # may be overwritten at next upgrade.
- pid_file=$server_pid_file
- $bindir/mysqld_safe --defaults-file=$mycnf >/dev/null 2>&1 &
- wait_for_pid created $!; return_value=$?
- # Make lock for RedHat / SuSE
- 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 ($bindir/mysqld_safe)"
- fi
- ;;
- 'stop')
- # Stop daemon. We use a signal here to avoid having to know the
- # root password.
- # The RedHat / SuSE lock directory to remove
- lock_dir=/var/lock/subsys/mysqlmanager
- # If the manager pid_file doesn't exist, try the server's
- if test ! -s "$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`
- if (kill -0 $mysqlmanager_pid 2>/dev/null)
- then
- echo $echo_n "Shutting down MySQL"
- kill $mysqlmanager_pid
- # mysqlmanager should remove the pid_file when it exits, so wait for it.
- wait_for_pid removed "$mysqlmanager_pid"; return_value=$?
- else
- log_failure_msg "MySQL manager or server process #$mysqlmanager_pid is not running!"
- rm $pid_file
- fi
- # delete lock for RedHat / SuSE
- 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')
- # Stop the service and regardless of whether it was
- # running or not, start it again.
- 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 $server_pid_file
- else
- log_failure_msg "MySQL PID file could not be found!"
- exit 1
- fi
- ;;
- 'status')
- # First, check to see if pid file exists
- if test -s "$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
- # Try to find appropriate mysqld process
- 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
- ;;
- *)
- # usage
- echo "Usage: $0 {start|stop|restart|reload|force-reload|status} [ MySQL server options ]"
- exit 1
- ;;
- esac
- exit 0
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