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Diffstat (limited to 'support-files/mysql.server.sh')
| -rw-r--r-- | support-files/mysql.server.sh | 457 |
1 files changed, 457 insertions, 0 deletions
diff --git a/support-files/mysql.server.sh b/support-files/mysql.server.sh new file mode 100644 index 00000000..dd8cbd48 --- /dev/null +++ b/support-files/mysql.server.sh @@ -0,0 +1,457 @@ +#!/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 +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 + +[ $# -ge 1 ] && shift + +case `echo "testing\c"`,`echo -n testing` in + *c*,-n*) echo_n= echo_c= ;; + *c*,*) echo_n=-n echo_c= ;; + *) echo_n= echo_c='\c' ;; +esac + +parse_server_arguments() { + for arg do + val=`echo "$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 $*" >/dev/null 2>&1 + fi +} + +# +# Read defaults file from 'basedir'. If there is no defaults file there +# check if it's in the old (depricated) place (datadir) and read it from there +# + +extra_args="" +if test -r "$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= $datadir/my.cnf" + fi +fi + +parse_server_arguments `$print_defaults $extra_args --mysqld mysql.server` +parse_server_arguments "$@" + +# 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 + +# source other config files +[ -f /etc/default/mysql ] && . /etc/default/mysql +[ -f /etc/sysconfig/mysql ] && . /etc/sysconfig/mysql +[ -f /etc/conf.d/mysql ] && . /etc/conf.d/mysql + +case "$mode" in + 'start') + # Start daemon + + # 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 |