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494 lines
13 KiB
Bash
Executable File
494 lines
13 KiB
Bash
Executable File
#!/bin/sh
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# Copyright Abandoned 1996 TCX DataKonsult AB & Monty Program KB & Detron HB
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# This file is public domain and comes with NO WARRANTY of any kind
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# MySQL daemon start/stop script.
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# Usually this is put in /etc/init.d (at least on machines SYSV R4 based
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# systems) and linked to /etc/rc3.d/S99mysql and /etc/rc0.d/K01mysql.
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# When this is done the mysql server will be started when the machine is
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# started and shut down when the systems goes down.
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# Comments to support chkconfig on RedHat Linux
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# chkconfig: 2345 64 36
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# description: A very fast and reliable SQL database engine.
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# Comments to support LSB init script conventions
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### BEGIN INIT INFO
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# Provides: mysql
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# Required-Start: $local_fs $network $remote_fs
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# Should-Start: ypbind nscd ldap ntpd xntpd
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# Required-Stop: $local_fs $network $remote_fs
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# Default-Start: 2 3 4 5
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# Default-Stop: 0 1 6
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# Short-Description: start and stop MySQL
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# Description: MySQL is a very fast and reliable SQL database engine.
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### END INIT INFO
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# If you install MySQL on some other places than /usr/local/mariadb/columnstore/mysql, then you
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# have to do one of the following things for this script to work:
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#
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# - Run this script from within the MySQL installation directory
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# - Create a /etc/my.cnf file with the following information:
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# [mysqld]
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# basedir=<path-to-mysql-installation-directory>
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# - Add the above to any other configuration file (for example ~/.my.ini)
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# and copy my_print_defaults to /usr/bin
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# - Add the path to the mysql-installation-directory to the basedir variable
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# below.
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#
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# If you want to affect other MySQL variables, you should make your changes
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# in the /etc/my.cnf, ~/.my.cnf or other MySQL configuration files.
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# If you change base dir, you must also change datadir. These may get
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# overwritten by settings in the MySQL configuration files.
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if [ -z "$COLUMNSTORE_INSTALL_DIR" ]; then
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test -f /etc/default/columnstore && . /etc/default/columnstore
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fi
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if [ -z "$COLUMNSTORE_INSTALL_DIR" ]; then
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COLUMNSTORE_INSTALL_DIR=/usr/local/mariadb/columnstore
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fi
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export COLUMNSTORE_INSTALL_DIR=$COLUMNSTORE_INSTALL_DIR
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basedir=$COLUMNSTORE_INSTALL_DIR/mysql
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datadir=$basedir/db
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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=90
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# Lock directory for RedHat / SuSE.
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lockdir='/var/lock/subsys'
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lock_file_path="$lockdir/mysql-Columnstore"
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# The following variables are only set for letting mysql.server find things.
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# Set some defaults
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mysqld_pid_file_path=
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if test -z "$basedir"
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then
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basedir=/usr/local/mariadb/columnstore/mysql
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bindir=/usr/local/bin
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if test -z "$datadir"
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then
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datadir=/var/lib/mysql
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fi
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sbindir=/usr/local/sbin
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bindir=/usr/local/bin
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else
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bindir="$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="$basedir/sbin"
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if test -f "$basedir/sbin/mysqld"
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then
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bindir="$basedir/bin"
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else
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bindir="$basedir/bin"
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fi
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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 >/dev/null 2>&1
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else
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# Include non-LSB RedHat init functions to make systemctl redirect work
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init_functions="/etc/init.d/functions"
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if test -f $init_functions; then
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. $init_functions >/dev/null 2>&1
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fi
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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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[ $# -ge 1 ] && shift
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case `echo "testing\c"`,`echo -n testing` in
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*c*,-n*) echo_n= echo_c= ;;
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*c*,*) echo_n=-n echo_c= ;;
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*) echo_n= echo_c='\c' ;;
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esac
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parse_server_arguments() {
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for arg do
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case "$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="$basedir/sbin"
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if test -f "$basedir/sbin/mysqld"
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then
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bindir="$basedir/bin"
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else
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bindir="$basedir/bin"
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fi
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#bindir="$basedir/bin"
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;;
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--datadir=*) datadir=`echo "$arg" | sed -e 's/^[^=]*=//'`
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datadir_set=1
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;;
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--log-basename=*|--hostname=*|--loose-log-basename=*)
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mysqld_pid_file_path=`echo "$arg.pid" | sed -e 's/^[^=]*=//'`
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;;
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--pid-file=*) mysqld_pid_file_path=`echo "$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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# 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/my.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 $extra_args --mysqld mysql.server`
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parse_server_arguments "$@"
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# wait for the pid file to disappear
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wait_for_gone () {
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pid="$1" # process ID of the program operating on the pid-file
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pid_file_path="$2" # path to the PID file.
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i=0
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crash_protection="by checking again"
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while test $i -ne $service_startup_timeout ; do
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if kill -0 "$pid" 2>/dev/null; then
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: # the server still runs
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else
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if test ! -s "$pid_file_path"; then
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# no server process and no pid-file? great, we're done!
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log_success_msg
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return 0
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fi
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# pid-file exists, the server process doesn't.
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# it must've crashed, and mysqld_safe will restart it
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if test -n "$crash_protection"; then
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crash_protection=""
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sleep 5
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continue # Check again.
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fi
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kill_by_pid
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# Cannot help it
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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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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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log_failure_msg
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kill_by_pid
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return 1
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}
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wait_for_ready () {
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i=0
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while test $i -ne $service_startup_timeout ; do
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if $bindir/mysqladmin ping --socket=$basedir/lib/mysql/mysql.sock >/dev/null 2>&1; then
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log_success_msg
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return 0
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elif kill -0 $! 2>/dev/null ; then
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: # mysqld_safe is still running
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else
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# mysqld_safe is no longer running, abort the wait loop
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break
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fi
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echo $echo_n ".$echo_c"
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i=`expr $i + 1`
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sleep 1
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done
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log_failure_msg
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return 1
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}
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#
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# Set pid file if not given
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#
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if test -z "$mysqld_pid_file_path"
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then
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mysqld_pid_file_path=$datadir/`hostname`.pid
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else
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case "$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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# source other config files
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[ -f /etc/default/mysql ] && . /etc/default/mysql
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[ -f /etc/sysconfig/mysql ] && . /etc/sysconfig/mysql
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[ -f /etc/conf.d/mysql ] && . /etc/conf.d/mysql
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kill_by_pid() {
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# let's see if we can kill the 2 mysql procs by hand
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# get the our mysql from ps
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eval $(ps -ef | grep "$COLUMNSTORE_INSTALL_DIR/mysql/bin/mysqld" | grep -v grep | head -1 | awk '{printf "pid=%d\n", $2}')
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if [ -n "$pid" ]; then
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ppid=$(ps -o ppid= -p $pid)
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$SUDO kill -9 $ppid
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kill -9 $ppid
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sleep 1
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$SUDO kill -9 $pid
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kill -9 $pid
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echo $echo_n "Force shutting down (no/bad pid file)"
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log_success_msg
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exit 0
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fi
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return
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}
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case "$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 --datadir="$datadir" --pid-file="$mysqld_pid_file_path" "--ledir=$bindir" "$@" >/dev/null 2>&1 &
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wait_for_ready; 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>/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_gone $mysqld_pid "$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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kill_by_pid
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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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kill_by_pid
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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 $0 stop "$@"; then
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if ! $0 start "$@"; then
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log_failure_msg "Failed to restart server."
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exit 1
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fi
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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 "$mysqld_pid_file_path" ; then
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read mysqld_pid < "$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 "$mysqld_pid_file_path" ; then
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read mysqld_pid < "$mysqld_pid_file_path"
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if kill -0 $mysqld_pid 2>/dev/null ; then
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log_success_msg "MySQL running ($mysqld_pid)"
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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 $bindir/mysqld`
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# test if multiple pids exist
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pid_count=`echo $mysqld_pid | wc -w`
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if test $pid_count -gt 1 ; then
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log_failure_msg "Multiple MySQL running but PID file could not be found ($mysqld_pid)"
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exit 5
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elif 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 running but PID file could not be found"
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exit 4
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fi
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fi
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;;
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'configtest')
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# Safeguard (relative paths, core dumps..)
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cd $basedir
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echo $echo_n "Testing MySQL configuration syntax"
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daemon=$bindir/mysqld
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if test -x $bindir/mysqld
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then
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daemon=$bindir/mysqld
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elif test -x $sbindir/mysqld
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then
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daemon=$sbindir/mysqld
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elif test -x `which mysqld`
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then
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daemon=`which mysqld`
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else
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log_failure_msg "Unable to locate the mysqld binary!"
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exit 1
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fi
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help_out=`$daemon --help 2>&1`; r=$?
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if test "$r" != 0 ; then
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log_failure_msg "$help_out"
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log_failure_msg "There are syntax errors in the server configuration. Please fix them!"
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else
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log_success_msg "Syntax OK"
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fi
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exit $r
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;;
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'bootstrap')
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if test "$_use_systemctl" == 1 ; then
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log_failure_msg "Please use galera_new_cluster to start the mariadb service with --wsrep-new-cluster"
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exit 1
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fi
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# Bootstrap the cluster, start the first node
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# that initiate the cluster
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echo $echo_n "Bootstrapping the cluster.. "
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$0 start $other_args --wsrep-new-cluster
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exit $?
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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|configtest|bootstrap} [ 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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