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‎mysql3307

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#!/bin/sh
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# Copyright Alok Kumar Singh @www.getmysql.info
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# MySQL daemon start/stop script.
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# Usually this is put in /etc/init.d/[new service name]
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# Provide chmod -R 777 to [new service name]
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basedir=
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datadir=
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# Default value, in seconds, afterwhich the script should timeout waiting
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# for server start.
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# Value here is overriden by value in my.cnf.
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# 0 means don't wait at all
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# Negative numbers mean to wait indefinitely
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service_startup_timeout=900
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# Lock directory for RedHat / SuSE.
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lockdir='/var/lock/subsys'
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lock_file_path="$lockdir/mysql"
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# The following variables are only set for letting mysql.server find things.
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# Set some defaults
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mysqld_pid_file_path=
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if test -z "$basedir"
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then
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basedir=/usr
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bindir=/usr/bin
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if test -z "$datadir"
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then
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datadir=/var/lib/mysql
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fi
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sbindir=/usr/sbin
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libexecdir=/usr/sbin
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else
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bindir="$basedir/bin"
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if test -z "$datadir"
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then
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datadir="$basedir/data"
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fi
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sbindir="$basedir/sbin"
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libexecdir="$basedir/libexec"
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fi
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# datadir_set is used to determine if datadir was set (and so should be
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# *not* set inside of the --basedir= handler.)
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datadir_set=
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#
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# Use LSB init script functions for printing messages, if possible
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#
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lsb_functions="/lib/lsb/init-functions"
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if test -f $lsb_functions ; then
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. $lsb_functions
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else
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log_success_msg()
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{
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echo " SUCCESS! $@"
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}
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log_failure_msg()
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{
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echo " ERROR! $@"
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}
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fi
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PATH="/sbin:/usr/sbin:/bin:/usr/bin:$basedir/bin"
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export PATH
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mode=$1 # start or stop
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[ $# -ge 1 ] && shift
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other_args="$*" # uncommon, but needed when called from an RPM upgrade action
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# Expected: "--skip-networking --skip-grant-tables"
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# They are not checked here, intentionally, as it is the resposibility
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# of the "spec" file author to give correct arguments only.
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case `echo "testing\c"`,`echo -n testing` in
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*c*,-n*) echo_n= echo_c= ;;
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*c*,*) echo_n=-n echo_c= ;;
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*) echo_n= echo_c='\c' ;;
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esac
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parse_server_arguments() {
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for arg do
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case "$arg" in
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--basedir=*) basedir=`echo "$arg" | sed -e 's/^[^=]*=//'`
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bindir="$basedir/bin"
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if test -z "$datadir_set"; then
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datadir="$basedir/data"
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fi
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sbindir="$basedir/sbin"
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libexecdir="$basedir/libexec"
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;;
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--datadir=*) datadir=`echo "$arg" | sed -e 's/^[^=]*=//'`
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datadir_set=1
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;;
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--pid-file=*) mysqld_pid_file_path=`echo "$arg" | sed -e 's/^[^=]*=//'` ;;
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--port=*) port=`echo "$arg" | sed -e 's/^[^=]*=//'` ;;
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--service-startup-timeout=*) service_startup_timeout=`echo "$arg" | sed -e 's/^[^=]*=//'` ;;
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esac
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done
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}
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wait_for_pid () {
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verb="$1" # created | removed
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pid="$2" # process ID of the program operating on the pid-file
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pid_file_path="$3" # path to the PID file.
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i=0
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avoid_race_condition="by checking again"
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while test $i -ne $service_startup_timeout ; do
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case "$verb" in
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'created')
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# wait for a PID-file to pop into existence.
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test -s "$pid_file_path" && i='' && break
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;;
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'removed')
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# wait for this PID-file to disappear
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test ! -s "$pid_file_path" && i='' && break
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;;
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*)
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echo "wait_for_pid () usage: wait_for_pid created|removed pid pid_file_path"
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exit 1
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;;
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esac
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# if server isn't running, then pid-file will never be updated
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if test -n "$pid"; then
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if kill -0 "$pid" > /dev/null 2> /dev/null
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#if kill -0 $mysqld_pid > /dev/null 2> /dev/null
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then
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: # the server still runs
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else
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# The server may have exited between the last pid-file check and now.
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if test -n "$avoid_race_condition"; then
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avoid_race_condition=""
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continue # Check again.
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fi
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# there's nothing that will affect the file.
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log_failure_msg "The server quit without updating PID file ($pid_file_path)."
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return 1 # not waiting any more.
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fi
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fi
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echo $echo_n ".$echo_c"
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i=`expr $i + 1`
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sleep 1
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done
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if test -z "$i" ; then
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log_success_msg
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return 0
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else
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log_failure_msg
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return 1
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fi
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}
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# Get arguments from the my.cnf file,
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# the only group, which is read from now on is [mysqld]
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if test -x ./bin/my_print_defaults
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then
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print_defaults="./bin/my_print_defaults"
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elif test -x $bindir/my_print_defaults
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then
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print_defaults="$bindir/my_print_defaults"
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elif test -x $bindir/mysql_print_defaults
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then
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print_defaults="$bindir/mysql_print_defaults"
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else
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# Try to find basedir in /etc/my.cnf
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conf=/etc/my3307.cnf
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print_defaults=
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if test -r $conf
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then
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subpat='^[^=]*basedir[^=]*=\(.*\)$'
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dirs=`sed -e "/$subpat/!d" -e 's//\1/' $conf`
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for d in $dirs
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do
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d=`echo $d | sed -e 's/[ ]//g'`
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if test -x "$d/bin/my_print_defaults"
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then
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print_defaults="$d/bin/my_print_defaults"
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break
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fi
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if test -x "$d/bin/mysql_print_defaults"
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then
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print_defaults="$d/bin/mysql_print_defaults"
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break
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fi
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done
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fi
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# Hope it's in the PATH ... but I doubt it
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test -z "$print_defaults" && print_defaults="my_print_defaults"
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fi
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#
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# Read defaults file from 'basedir'. If there is no defaults file there
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# check if it's in the old (depricated) place (datadir) and read it from there
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#
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extra_args=""
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if test -r "$basedir/my.cnf"
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then
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extra_args="-e $basedir/my.cnf"
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else
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if test -r "$datadir/my.cnf"
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then
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extra_args="-e $datadir/my.cnf"
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fi
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fi
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parse_server_arguments `$print_defaults $extra_args mysqld server mysql_server mysql.server -c/etc/my3307.cnf`
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#
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# Set pid file if not given
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#
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if test -z "$mysqld_pid_file_path"
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then
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mysqld_pid_file_path=/var/run/mysqld/mysqld$port.pid
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#mysqld_pid_file_path=$pidfile
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else
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case "$mysqld_pid_file_path" in
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/* ) ;;
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* ) mysqld_pid_file_path="$datadir/$mysqld_pid_file_path" ;;
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esac
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fi
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case "$mode" in
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'start')
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# Start daemon
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# Safeguard (relative paths, core dumps..)
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cd $basedir
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echo $echo_n "Starting MySQL"
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if test -x $bindir/mysqld_safe
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then
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# Give extra arguments to mysqld with the my.cnf file. This script
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# may be overwritten at next upgrade.
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$bindir/mysqld_safe --defaults-file=/etc/my3307.cnf --datadir="$datadir" --pid-file="$mysqld_pid_file_path" --port="$port" --socket="$datadir"/mysql.sock $other_args >/dev/null 2>&1 &
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wait_for_pid created "$!" "$mysqld_pid_file_path"; return_value=$?
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# Make lock for RedHat / SuSE
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if test -w "$lockdir"
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then
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touch "$lock_file_path"
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fi
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exit $return_value
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else
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log_failure_msg "Couldn't find MySQL server ($bindir/mysqld_safe)"
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fi
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;;
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'stop')
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# Stop daemon. We use a signal here to avoid having to know the
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# root password.
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if test -s "$mysqld_pid_file_path"
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then
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mysqld_pid=`cat "$mysqld_pid_file_path"`
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# if (kill -0 $mysqld_pid 2 -gt /dev/null)
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if kill -0 $mysqld_pid > /dev/null 2> /dev/null
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then
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echo $echo_n "Shutting down MySQL"
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kill $mysqld_pid
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# mysqld should remove the pid file when it exits, so wait for it.
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wait_for_pid removed "$mysqld_pid" "$mysqld_pid_file_path"; return_value=$?
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else
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log_failure_msg "MySQL server process #$mysqld_pid is not running!"
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rm "$mysqld_pid_file_path"
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fi
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# Delete lock for RedHat / SuSE
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if test -f "$lock_file_path"
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then
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rm -f "$lock_file_path"
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fi
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exit $return_value
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else
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log_failure_msg "MySQL server PID file could not be found!"
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fi
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;;
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'restart')
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# Stop the service and regardless of whether it was
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# running or not, start it again.
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if $0 stop $other_args; then
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$0 start $other_args
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else
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log_failure_msg "Failed to stop running server, so refusing to try to start."
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exit 1
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fi
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;;
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'reload'|'force-reload')
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if test -s "$mysqld_pid_file_path" ; then
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mysqld_pid=$(cat "$mysqld_pid_file_path")
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#read mysqld_pid < "$mysqld_pid_file_path"
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kill -HUP $mysqld_pid && log_success_msg "Reloading service MySQL"
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touch "$mysqld_pid_file_path"
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else
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log_failure_msg "MySQL PID file could not be found!"
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exit 1
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fi
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;;
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'status')
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# First, check to see if pid file exists
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if test -s "$mysqld_pid_file_path" ; then
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mysqld_pid=`cat "$mysqld_pid_file_path"`
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#read mysqld_pid < "$mysqld_pid_file_path"
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#if kill -0 $mysqld_pid 2 -gt /dev/null ;
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if kill -0 $mysqld_pid > /dev/null 2> /dev/null
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then
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#log_success_msg "MySQL running ($mysqld_pid)"
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log_success_msg "MySQL running ($mysqld_pid) with Port=$port , DATA=$datadir , SOCKET=$datadir/mysql.sock "
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exit 0
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else
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log_failure_msg "MySQL is not running, but PID file exists"
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exit 1
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fi
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else
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# Try to find appropriate mysqld process
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mysqld_pid=`pidof $libexecdir/mysqld`
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if test -z $mysqld_pid ; then
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if test -f "$lock_file_path" ; then
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log_failure_msg "MySQL is not running, but lock file ($lock_file_path) exists"
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exit 2
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fi
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log_failure_msg "MySQL is not running"
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exit 3
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else
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log_failure_msg "MySQL is not running"
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exit 4
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fi
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fi
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;;
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*)
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# usage
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basename=`basename "$0"`
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echo "Usage: $basename {start|stop|restart|reload|force-reload|status} [ MySQL server options ]"
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exit 1
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;;
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esac
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exit 0

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