#!/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
# MariaDB 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 Red Hat 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 $remote_fs # Default-Start: 2 3 4 5 # Default-Stop: 0 1 6 # Short-Description: start and stop MariaDB # Description: MariaDB is a very fast and reliable SQL database engine. ### END INIT INFO
# have to do one of the following things for this script to work: # # - Run this script from within the MariaDB installation directory # - Create a /etc/my.cnf file with the following information: # [mysqld] # basedir=<path-to-mysql-installation-directory> # - Add the above to any other configuration file (for example ~/.my.ini) # and copy my_print_defaults to /usr/bin # - Add the path to the mysql-installation-directory to the basedir variable # below. # # If you want to affect other MariaDB variables, you should make your changes # in the /etc/my.cnf, ~/.my.cnf or other MariaDB configuration files.
# If you change base dir, you must also change datadir. These may get # overwritten by settings in the MariaDB configuration files.
basedir=
datadir=
# Default value, in seconds, afterwhich the script should timeout waiting # for server start. # Value here is overridden by value in my.cnf. # 0 means don't wait at all # Negative numbers mean to wait indefinitely
service_startup_timeout=900
# Lock directory for Red Hat / SuSE.
lockdir='/var/lock/subsys'
lock_file_path="$lockdir/mysql"
# The following variables are only set for letting mysql.server find things.
# Set some defaults
mariadbd_pid_file_path= if test -z "$basedir" then
basedir=@prefix@
bindir=@bindir@ if test -z "$datadir" then
datadir=@localstatedir@ fi
sbindir=@sbindir@
libexecdir=@libexecdir@ else
bindir="$basedir/bin" if test -z "$datadir" then
datadir="$basedir/data" fi
sbindir="$basedir/sbin" if test -f "$basedir/bin/mariadbd" then
libexecdir="$basedir/bin" else
libexecdir="$basedir/libexec" fi 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 # Include non-LSB Red Hat init functions to make systemctl redirect work
init_functions="/etc/init.d/functions"
lsb_functions="/lib/lsb/init-functions" if test -f $lsb_functions; then
. $lsb_functions fi
if test -f $init_functions; then
. $init_functions fi
# Newer Red Hat releases no longer define these functions in # /etc/init.d/functions (or anywhere else), so provide fallbacks whenever # they are still undefined. if ! command -v log_success_msg >/dev/null 2>&1; then
log_success_msg()
{ echo" SUCCESS! $@"
} fi
if ! command -v log_failure_msg >/dev/null 2>&1; then
log_failure_msg()
{ echo" ERROR! $@"
} fi
case `echo"testing\c"`,`echo -n testing` in
*c*,-n*) echo_n= echo_c= ;;
*c*,*) echo_n=-n echo_c= ;;
*) echo_n= echo_c='\c' ;;
esac
parse_server_arguments() { for arg do
val=`echo"$arg" | sed -e 's/^[^=]*=//'`
case "$arg" in
--basedir=*) basedir="$val"
bindir="$basedir/bin" if test -z "$datadir_set"; then
datadir="$basedir/data" fi
sbindir="$basedir/sbin" if test -f "$basedir/bin/mariadbd" then
libexecdir="$basedir/bin" else
libexecdir="$basedir/libexec" fi
libexecdir="$basedir/libexec"
;;
--datadir=*) datadir="$val"
datadir_set=1
;;
--log-basename=*|--hostname=*|--loose-log-basename=*)
mariadbd_pid_file_path="$val.pid"
;;
--pid-file=*) mariadbd_pid_file_path="$val" ;;
--service-startup-timeout=*) service_startup_timeout="$val" ;;
--user=*) user="$val"; ;;
esac done
}
# Get arguments from the my.cnf file, # the only group, which is read from now on is [mysqld] if test -x "$bindir/my_print_defaults"; then
print_defaults="$bindir/my_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="$d/bin/my_print_defaults"
break fi done fi
# Hope it's in the PATH ... but I doubt it
test -z "$print_defaults" && print_defaults="my_print_defaults" fi
user='@MYSQLD_USER@'
su_kill() { if test "$USER" = "$user"; then
kill $* >/dev/null 2>&1 else
su - $user -s /bin/sh -c "kill $*" >/dev/null 2>&1 fi
}
# # Read defaults file from 'basedir'. If there is no defaults file there # check if it's in the old (deprecated) place (datadir) and read it from there #
extra_args="" if test -r "$basedir/my.cnf" then
extra_args="--defaults-extra-file= $basedir/my.cnf" else if test -r "$datadir/my.cnf" then
extra_args="--defaults-extra-file= $datadir/my.cnf" fi fi
# wait for the pid file to disappear
wait_for_gone () {
pid="$1"# process ID of the program operating on the pid-file
pid_file_path="$2"# path to the PID file.
i=0
crash_protection="by checking again"
while test $i -ne $service_startup_timeout ; do
if su_kill -0"$pid" ; then
: # the server still runs else if test ! -s "$pid_file_path"; then # no server process and no pid-file? great, we're done!
log_success_msg
return 0 fi
# pid-file exists, the server process doesn't. # it must've crashed, and mysqld_safe will restart it if test -n "$crash_protection"; then
crash_protection=""
sleep 5
continue # Check again. fi
# Cannot help it
log_failure_msg "The server quit without updating PID file ($pid_file_path)."
return 1# not waiting any more. fi
echo $echo_n ".$echo_c"
i=`expr $i + 1`
sleep 1
done
log_failure_msg
return 1
}
wait_for_ready () {
i=0 while test $i -ne $service_startup_timeout ; do
if $bindir/mysqladmin ping >/dev/null 2>&1; then
log_success_msg
return 0 elif kill -0 $! ; then
: # mysqld_safe is still running else # mysqld_safe is no longer running, abort the wait loop
break fi
echo $echo_n ".$echo_c"
i=`expr $i + 1`
sleep 1
done
log_failure_msg
return 1
} # # Set pid file if not given # if test -z "$mariadbd_pid_file_path" then
mariadbd_pid_file_path=$datadir/`@HOSTNAME@`.pid else
case "$mariadbd_pid_file_path" in
/* ) ;;
* ) mariadbd_pid_file_path="$datadir/$mariadbd_pid_file_path" ;;
esac fi
# Safeguard (relative paths, core dumps..)
cd $basedir
echo $echo_n "Starting MariaDB" if test -x $bindir/mysqld_safe then # Give extra arguments to mysqld with the my.cnf file. This script # may be overwritten at next upgrade.
$bindir/mysqld_safe --datadir="$datadir" --pid-file="$mariadbd_pid_file_path""$@" &
wait_for_ready; return_value=$?
# Make lock for Red Hat / SuSE if test -w "$lockdir" then
touch "$lock_file_path" fi
exit $return_value else
log_failure_msg "Couldn't find MariaDB server ($bindir/mysqld_safe)" fi
;;
'stop') # Stop daemon. We use a signal here to avoid having to know the # root password.
if test -s "$mariadbd_pid_file_path" then
mariadbd_pid=`cat"$mariadbd_pid_file_path"`
if su_kill -0 $mariadbd_pid ; then echo $echo_n "Shutting down MariaDB"
su_kill $mariadbd_pid # mysqld should remove the pid file when it exits, so wait for it.
wait_for_gone $mariadbd_pid "$mariadbd_pid_file_path"; return_value=$? else
log_failure_msg "MariaDB server process #$mariadbd_pid is not running!" rm"$mariadbd_pid_file_path" fi
# Delete lock for Red Hat / SuSE if test -f "$lock_file_path" then rm -f "$lock_file_path" fi
exit $return_value else
log_failure_msg "MariaDB 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 $0 stop "$@"; then if ! $0 start "$@"; then
log_failure_msg "Failed to restart server."
exit 1 fi else
log_failure_msg "Failed to stop running server, so refusing to try to start."
exit 1 fi
;;
'reload'|'force-reload') if test -s "$mariadbd_pid_file_path" ; then
read mariadbd_pid < "$mariadbd_pid_file_path"
su_kill -HUP $mariadbd_pid && log_success_msg "Reloading service MariaDB"
touch "$mariadbd_pid_file_path" else
log_failure_msg "MariaDB PID file could not be found!"
exit 1 fi
;; 'status') # First, check to see if pid file exists if test -s "$mariadbd_pid_file_path" ; then
read mariadbd_pid < "$mariadbd_pid_file_path" if su_kill -0 $mariadbd_pid ; then
log_success_msg "MariaDB running ($mariadbd_pid)"
exit 0 else
log_failure_msg "MariaDB is not running, but PID file exists"
exit 1 fi else # Try to find appropriate mariadbd process
mariadbd_pid=`pgrep -f $libexecdir/mariadbd`
# test if multiple pids exist
pid_count=`echo $mariadbd_pid | wc -w` if test $pid_count -gt 1 ; then
log_failure_msg "Multiple MariaDB running but PID file could not be found ($mariadbd_pid)"
exit 5 elif test -z $mariadbd_pid ; then if test -f "$lock_file_path" ; then
log_failure_msg "MariaDB is not running, but lock file ($lock_file_path) exists"
exit 2 fi
log_failure_msg "MariaDB is not running"
exit 3 else
log_failure_msg "MariaDB is running but PID file could not be found"
exit 4 fi fi
;; 'configtest') # Safeguard (relative paths, core dumps..)
cd $basedir echo $echo_n "Testing MariaDB configuration syntax"
daemon=$bindir/mariadbd if test -x $libexecdir/mariadbd then
daemon=$libexecdir/mariadbd elif test -x $sbindir/mariadbd then
daemon=$sbindir/mariadbd elif test -x `which mariadbd` then
daemon=`which mariadbd` else
log_failure_msg "Unable to locate the mariadbd binary!"
exit 1 fi
help_out=`$daemon --help 2>&1`; r=$? if test "$r" != 0 ; then
log_failure_msg "$help_out"
log_failure_msg "There are syntax errors in the server configuration. Please fix them!" else
log_success_msg "Syntax OK" fi
exit $r
;; 'bootstrap') if test "$_use_systemctl" == 1 ; then
log_failure_msg "Please use galera_new_cluster to start the mariadb service with --wsrep-new-cluster"
exit 1 fi # Bootstrap the cluster, start the first node # that initiate the cluster echo $echo_n "Bootstrapping the cluster.. "
$0 start $other_args --wsrep-new-cluster
exit $?
;;
*) # usage
basename=`basename "$0"` echo"Usage: $basename {start|stop|restart|reload|force-reload|status|configtest|bootstrap} [ MariaDB server options ]"
exit 1
;;
esac
exit 0
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