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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. Multi-instance enhancements by Tim Bunce.
# Usually this is put in /etc/init.d (at least on machines SYSV R4
# based systems) and linked to
# /etc/rc3.d/S99mysql.svr1
# and /etc/rc0.d/S01mysql.svr1
# When this is done the mysql server will be started when the machine is
# started and shut down when the systems goes down. The '.svr1' suffix can
# be used to identify one of a number of servers. Multiple symlinks can be
# created, one per instance. The 'svrN' suffix can then be used to
# prefix configuration variables in a seperate section of /etc/my.cnf.
# See example below.
#
# A typical multi-instance /etc/my.cnf file would look like:
# [mysqld]
# basedir=...
# set-variable = key_buffer_size=16M
# set-variable = max_allowed_packet=1M
# [mysql_multi_server]
# svr1-datadir=/foo1/bar
# svr2-datadir=/foo2/bar
#
# and then the /foo1/bar/my.cnf and /foo2/bar/my.cnf files
# would contain all the *instance specific* configurations.
#
# This script can also be run manually in which case the server instance
# is identified by an extra argument, for example:
# /etc/init.d/mysql stop svr3
#
PATH=/sbin:/usr/sbin:/bin:/usr/bin
export PATH
mode=$1 # start or stop
svr=$2 # eg 'svr1' (optional)
if [ "$2" = "" ]
then name=`basename $0`
else name=$2
fi
# Extract identity of the server we are working with
svr=`echo "$name" | sed -e 's/.*\<\(svr[1-9][0-9]*\)\>.*/\1/'`
if [ "$svr" = "" ]
then
echo "Can't determine database svr number from name '$name'"
exit 1
fi
echo "mysqld $svr $mode"
parse_arguments() {
for arg do
case "$arg" in
--basedir=*|--${svr}-basedir=*)
basedir=`echo "$arg" | sed -e 's/^[^=]*=//'` ;;
--datadir=*|--${svr}-basedir=*)
datadir=`echo "$arg" | sed -e 's/^[^=]*=//'` ;;
--pid-file=*|--${svr}-basedir=*)
pid_file=`echo "$arg" | sed -e 's/^[^=]*=//'` ;;
esac
done
}
# Get arguments from the my.cnf file, groups [mysqld], [mysql_server],
# and mysql_multi_server
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=/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="$d/bin/mysql_print_defaults"
break
fi
done
fi
# Hope it's in the PATH ... but I doubt it
test -z "$print_defaults" && print_defaults="my_print_defaults"
fi
datadir=@localstatedir@
basedir=
pid_file=
parse_arguments `$print_defaults $defaults mysqld mysql_server mysql_multi_server`
if test -z "$basedir"
then
basedir=@prefix@
bindir=@bindir@
else
bindir="$basedir/bin"
fi
if test -z "$pid_file"
then
pid_file=$datadir/`@HOSTNAME@`.pid
else
case "$pid_file" in
/* ) ;;
* ) pid_file="$datadir/$pid_file" ;;
esac
fi
# Safeguard (relative paths, core dumps..)
cd $basedir
case "$mode" in
'start')
# Start daemon
if test -x $bindir/mysqld_safe
then
# We only need to specify datadir and pid-file here and we
# get all other instance-specific config from $datadir/my.cnf.
# We have to explicitly pass --defaults-extra-file because it
# reads the config files before the command line options.
# Also it must be first because of the way mysqld_safe works.
$bindir/mysqld_safe --defaults-extra-file=$datadir/my.cnf \
--datadir=$datadir --pid-file=$pid_file &
# Make lock for RedHat / SuSE
if test -d /var/lock/subsys
then
touch /var/lock/subsys/mysql
fi
else
echo "Can't execute $bindir/mysqld_safe"
fi
;;
'stop')
# Stop daemon. We use a signal here to avoid having to know the
# root password.
if test -f "$pid_file"
then
mysqld_pid=`cat $pid_file`
echo "Killing mysqld $svr with pid $mysqld_pid"
kill $mysqld_pid
# mysqld should remove the pid_file when it exits, so wait for it.
sleep 1
while [ -s $pid_file -a "$flags" != aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa ]
do
[ -z "$flags" ] && echo "Wait for mysqld $svr to exit\c" || echo ".\c"
flags=a$flags
sleep 1
done
if [ -s $pid_file ]
then echo " gave up waiting!"
elif [ -n "$flags" ]
then echo " done"
fi
# delete lock for RedHat / SuSE
if test -e /var/lock/subsys/mysql
then
rm /var/lock/subsys/mysql
fi
else
echo "No mysqld pid file found. Looked for $pid_file."
fi
;;
*)
# usage
echo "usage: $0 start|stop [ svrN ]"
exit 1
;;
esac
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