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mariadb/rc.mysql-multi
Michal Hrusecky (old before rename to _miska_) 44dd05ec34 remove runlevel 2 
OBS-URL: https://build.opensuse.org/package/show/server:database/mariadb?expand=0&rev=38
2011-03-02 23:41:47 +00:00

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#!/bin/bash
# Copyright (c) 1995-2011 SuSE Linux AG Nuernberg, Germany.
#
# Author: Lenz Grimmer
# Maintainer: Michal Hrusecky <mhrusecky@suse.cz>
#
# mysqld_multi extension added by Richard Bos, 2008
#
# /etc/init.d/mysql
#
# and its symbolic link
#
# /usr/sbin/rcmysql
#
### BEGIN INIT INFO
# Provides: mysql
# Required-Start: $network $remote_fs
# Required-Stop: $network $remote_fs
# Default-Start: 3 5
# Default-Stop:
# Short-Description: Start the MySQL database server
# Description: Start the MySQL database server
### END INIT INFO
# Shell functions sourced from /etc/rc.status:
# rc_check check and set local and overall rc status
# rc_status check and set local and overall rc status
# rc_status -v ditto but be verbose in local rc status
# rc_status -v -r ditto and clear the local rc status
# rc_failed set local and overall rc status to failed
# rc_failed <num> set local and overall rc status to <num>
# rc_reset clear local rc status (overall remains)
# rc_exit exit appropriate to overall rc status
. /etc/rc.status
# First reset status of this service
rc_reset
# Return values acc. to LSB for all commands but status:
# 0 - success
# 1 - generic or unspecified error
# 2 - invalid or excess argument(s)
# 3 - unimplemented feature (e.g. "reload")
# 4 - insufficient privilege
# 5 - program is not installed
# 6 - program is not configured
# 7 - program is not running
#
# Note that starting an already running service, stopping
# or restarting a not-running service as well as the restart
# with force-reload (in case signalling is not supported) are
# considered a success.
# Check for the location of initscript
if [ "`echo "$0" | grep "^\."`" ] || [ "`echo "$0" | grep "^[^/].*/"`" ]; then
MYSELF="`pwd`/$0"
else
MYSELF="$0"
fi
parse_arguments() {
for arg do
case "$arg" in
--basedir=*) basedir="`echo "$arg" | sed -e 's/^[^=]*=//'`" ;;
--datadir=*) datadir="`echo "$arg" | sed -e 's/^[^=]*=//'`" ;;
--pid-file=*) pid_file="`echo "$arg" | sed -e 's/^[^=]*=//'`" ;;
--socket=*) socket="`echo "$arg" | sed -e 's/^[^=]*=//'`" ;;
--log-error=*) log_error="`echo "$arg" | sed -e 's/^[^=]*=//'`" ;;
--user=*) mysql_daemon_user="`echo "$arg" | sed -e 's/^[^=]*=//'`" ;;
--group=*) mysql_daemon_group="`echo "$arg" | sed -e 's/^[^=]*=//'`" ;;
esac
done
}
wait_for_socket()
{
local i
for((i=0; i<150; i++)); do
sleep 0.2
test -S $1 && i='' && break
done
test -z "$i" || return 1
return 0
}
# Don't run killproc -TERM, as it could send a SIGKILL as well, possibly
# resulting in database corruption. Run kill -TERM manually instead, wait
# approximately 300 seconds and fail if mysql doesn't respond. This will at
# least prevent the SIGKILL when doing 'rcmysql stop' manually. During system
# shutdown, we are out of luck...
# See https://bugzilla.novell.com/show_bug.cgi?id=223209
kill_mysql ()
{
local pid exe
test -e "$pid_file" || return 7 # not running
pid=`cat "$pid_file"` || return 4 # insufficient privileges
if ! test -e /proc/version; then
mount -n -t proc proc /proc
test -e /proc/version || return 100
fi
test -L "/proc/$pid/exe" || return 7
exe=`readlink "/proc/$pid/exe"` || return 4
test "`echo "$exe" | grep "^$MYSQLD"`" || return 7
kill -STOP "$pid"
kill -TERM "$pid" || return 4 # suboptimal
kill -CONT "$pid"
for i in `seq 3000`; do
# mysqld removes its pid file
test -e "$pid_file" || return 0
LC_ALL=C sleep 0.1
done
test -e "$pid_file" || return 0
return 1
}
# Helper function which can end with any status
set_return_value() {
return $1
}
# Checks for obsolete database
check_obsolete() {
# check for ISAM tables
tables="`find "$datadir" -name '*.ISM' 2> /dev/null | sed "s@$datadir/*@@; s@.ISM@@; s@/@.@;"`"
if test "$tables" ; then
echo
echo "Some tables still use ISAM format, which is NO LONGER SUPPORTED"
echo "since mysql 5.0. To use these tables, you would need to open them"
echo "from an older mysql server and convert to something better (eg. MyISAM)."
echo
echo "Tables using ISAM are: "
echo " $tables "
echo
fi
# check for bdb tables
tables="`find "$datadir" -name '*.db' 2> /dev/null | sed "s@$datadir/*@@; s@.db@@; s@/@.@;"`"
if test -n "$tables" ; then
echo
echo "Some tables still use BerkeleyDB format, which is NO LONGER SUPPORTED"
echo "since mysql 5.1. To use these tables, you would need to open them"
echo "from an older mysql server and convert to something better (eg. MyISAM)."
echo
echo "Tables using BerkeleyDB are: "
echo " $tables "
echo
fi
}
# Check if we want to run multiple instances.
[[ "`cat /etc/my.cnf | sed -n 's|^[[:blank:]]*\[mysqld[0-9]\+\]|yes|p'`" ]] && MYSQLD_MULTI=yes
# This was old way how to specify this, left for backward compatibility.
[[ -f /etc/sysconfig/mysql ]] && . /etc/sysconfig/mysql
if [[ "$MYSQLD_MULTI" == "yes" ]]; then
[[ -x /usr/bin/mysqld_multi ]] || {
echo -n "MySQL: /usr/bin/mysqld_multi not found"
rc_failed 5; rc_status -v; rc_exit;
}
case "$1" in
start)
# FIXME:
# We assume a fresh install if the directory $datadir/mysql
# does not exist and create the privilege database
# if ! test -d $datadir/mysql; then
# echo -n "Creating MySQL privilege database... "
# mysql_install_db --user=$mysql_daemon_user --datadir=$datadir || {
# rc_failed; rc_status -v; rc_exit
# }
# fi
echo -n "Starting service multi MySQL "
mysqld_multi start
# Remember status and be verbose
rc_status -v
;;
stop)
echo -n "Shutting down service multi MySQL "
mysqld_multi stop
# Remember status and be verbose
rc_status -v
;;
try-restart)
## Stop the service and if this succeeds (i.e. the
## service was running before), start it again.
## Note: try-restart is not (yet) part of LSB (as of 0.7.5)
"$MYSELF" status >/dev/null && "$MYSELF" restart
# Remember status and be quiet
rc_status
;;
restart|force-reload)
echo "Restarting service multi MySQL "
"$MYSELF" stop
"$MYSELF" start
rc_status
;;
reload)
echo -n "Reloading service multi MySQL "
mysqld_multi reload
rc_status -v
;;
status)
STATUS=$(mysqld_multi report)
echo -n "$STATUS"
# Set the status for rc_status
echo "$STATUS" | grep -q "is running"
rc_status -v
;;
*)
echo "Usage: $MYSELF {start|stop|status|reload|restart|try-restart|force-reload}"
exit 1
;;
esac
else
# Test, if mysqld or mysql-max actually exist
unset MYSQLD
# use mysqld-debug only if explicitly requested (TODO: sysconfig variable?)
if test "$MYSQLD_DEBUG" = yes -a -x /usr/sbin/mysqld-debug
then
MYSQLD=/usr/sbin/mysqld-debug
elif test -x /usr/sbin/mysqld-max
then
MYSQLD=/usr/sbin/mysqld-max
elif test -x /usr/sbin/mysqld
then
MYSQLD=/usr/sbin/mysqld
fi
test "$MYSQLD" || {
echo -n "Nor /usr/sbin/mysqld nor /usr/sbin/mysqld-max exists";
rc_failed 5; rc_status -v; rc_exit;
}
# The following section has been taken from
# the original MySQL init script
# Note: If you want to change these variables, you'll make your life easier
# if you do so in /etc/my.cnf, which is preserved during upgrades
basedir=/usr
datadir=/var/lib/mysql
mysql_daemon_user=mysql
mysql_daemon_group=mysql
pid_file=/var/run/mysql/mysqld.pid
socket=/var/run/mysql/mysql.sock
print_defaults=/usr/bin/my_print_defaults
log_error=/var/log/mysql/mysqld.log
mode=$1 # start or stop
log_base="`echo "$log_error" | sed 's|\.log$||'`"
[ "$log_base" \!= "$log_error" ] || log_base="/var/log/mysql/mysql"
log_upgrade="${log_base}-upgrade.log"
log_upgrade_run="${log_base}-upgrade-run.log"
log_query="${log_base}-query.log"
parse_arguments `$print_defaults $defaults mysqld mysql_server`
mkdir -m 755 -p /var/run/mysql
chown $mysql_daemon_user:$mysql_daemon_group /var/run/mysql
export TEMPDIR="`cat /var/run/mysql/tmpdir 2> /dev/null`"
# Safeguard (relative paths, core dumps..)
cd "$basedir"
case "$1" in
start)
# exit gracefully, if we are already running
"$MYSELF" status >/dev/null && echo -n "Starting service MySQL " && \
rc_status -v && rc_exit
# prepare tmp dir
unset TMPDIR
if [ "$TEMPDIR" ] && [ -d "$TEMPDIR" ] && \
[ "`ls -ld "$TEMPDIR" | grep "^drwx------[\\.\+]\?[[:blank:]]\+[0-9]\+[[:blank:]]\+$mysql_daemon_user[[:blank:]]\+$mysql_daemon_group[[:blank:]]\+.*"`" ]; then
rm -rf "$TEMPDIR"
fi
TEMPDIR="`mktemp -d -p /var/tmp mysql.XXXXXX | tee /var/run/mysql/tmpdir`"
[ -z "$TEMPDIR" ] || chown "$mysql_daemon_user:$mysql_daemon_group" "$TEMPDIR"
[ "`ls -ld "$TEMPDIR" | grep "^drwx------[\\.\+]\?[[:blank:]]\+[0-9]\+[[:blank:]]\+$mysql_daemon_user[[:blank:]]\+$mysql_daemon_group[[:blank:]]\+.*"`" ] || {
echo "Can't create secure $TEMPDIR"
rc_failed; rc_status -v; rc_exit;
}
# Test, if safe_mysqld actually exists
SAFE_MYSQLD=/usr/bin/mysqld_safe
test -x $SAFE_MYSQLD || {
echo "$SAFE_MYSQLD does not exist ";
rc_failed 5; rc_status -v; rc_exit;
}
debug_flags=""
if test "$MYSQLD_DEBUG" = yes; then
# add --log, --core-file and --debug
# but only if not already set in my.cnf
if ! $print_defaults mysqld | \
grep -q -e '--log$' -e '--log[[:blank:]=]'
then
debug_flags="--log=${log_query}"
fi
if ! $print_defaults mysqld | grep -q -e '^--debug\>' &&
test "$MYSQLD" = /usr/sbin/mysqld-debug
then
debug_flags="$debug_flags --debug=d:t:F:L:o,$datadir/mysqld.trace"
fi
if ! $print_defaults mysqld | grep -q -e '^--core-file\>'
then
debug_flags="$debug_flags --core-file"
fi
fi
# Creating parent directories for logs
for i in "$log_upgrade" "$log_query" "$log_error"; do
log_dir="`dirname "$i"`"
if [ \! -d "$log_dir" ]; then
mkdir -p "$log_dir"
chmod 660 "$log_dir"
fi
done
# We assume a fresh install if the directory $datadir/mysql
# does not exist and create the privilege database
if ! test -d "$datadir/mysql"; then
echo "Creating MySQL privilege database... "
mysql_install_db --user="$mysql_daemon_user" --datadir="$datadir" ||{
rc_failed; rc_status -v; rc_exit
}
fi
check_obsolete
# Run mysql_upgrade on every package install/upgrade. Not allways
# necessary, but doesn't do any harm.
if test -f "$datadir/.run-mysql_upgrade" ; then
echo >> "$log_upgrade"
echo "`LANG="" date` - upgrading MySQL..." >> "$log_upgrade"
echo >> "$log_upgrade"
echo "Will update MySQL now, if you encounter any problems, please read following file:" | tee -a "$log_upgrade"
echo " /usr/share/doc/packages/mysql/README.SuSE" | tee -a "$log_upgrade"
# Check logs for inconsistencies
SRCLOGS=""
ALL_SRCLOGS=""
for i in "$log_error" /var/lib/mysql/mysqld.log \
/var/log/mysqld.log ; do
if test -f "$i"; then
SRCLOGS="$i"
ALL_SRCLOGS="${ALL_SRCLOGS} ${i}"
fi
done
if [ "${ALL_SRCLOGS}" \!= " ${SRCLOGS}" ]; then
echo "Log files inconsistency, please merge following files manually:"
echo $ALL_SRCLOGS | sed 's|[[:blank:]]\+|\n|' | sed 's|^|\t|'
else
if [ "$SRCLOGS" ]; then
[ "$SRCLOGS" = "$log_error" ] || mv "$SRCLOGS" "$log_error"
fi
fi
check_obsolete >> "$log_upgrade"
# instead of running mysqld --bootstrap, which wouldn't allow
# us to run mysql_upgrade, we start a full-featured server with
# --skip-grant-tables and restict access to it by unix
# permissions of the named socket
protected="`cat /var/run/mysql/protecteddir 2> /dev/null`"
if [ -d "$protected" ]; then
pid="`cat "$protected/mysqld.pid" 2> /dev/null`"
if [ "$pid" ] && [ -d "/proc/$pid" ] &&
[ "`readlink "/proc/$pid/exe" | grep "mysql"`" ]; then
echo "Can't update as another updating process is currently running" | tee -a "$log_upgrade"
echo "Please check process $pid and terminate it before restarting MySQL" | tee -a "$log_upgrade"
rc_failed; rc_status -v; rc_exit;
else
rm -rf "$protected"
fi
fi
protected="`mktemp -d -p /var/tmp mysql-protected.XXXXXX | tee /var/run/mysql/protecteddir`"
export TMPDIR="$TEMPDIR"
[ -z "$protected" ] || chown "$mysql_daemon_user:$mysql_daemon_group" "$protected"
[ "`ls -ld "$protected" | grep "^drwx------[\\.\+]\?[[:blank:]]\+[0-9]\+[[:blank:]]\+$mysql_daemon_user[[:blank:]]\+$mysql_daemon_group[[:blank:]]\+.*"`" ] || {
echo "Can't create secure $protected" | tee -a "$log_upgrade"
rc_failed; rc_status -v; rc_exit;
}
echo "Running protected MySQL... " | tee -a "$log_upgrade"
$SAFE_MYSQLD \
--mysqld=${MYSQLD#/usr/sbin/} \
$debug_flags \
--skip-networking \
--skip-grant-tables \
--datadir="$datadir" \
--user="$mysql_daemon_user" \
--log-error="$log_upgrade_run" \
--socket="$protected/mysql.sock" \
--pid-file="$protected/mysqld.pid" \
--group="$mysql_daemon_group" &>/dev/null &
wait_for_socket "$protected/mysql.sock" || {
echo "error: $protected/mysql.sock file didn't appeared... " | tee -a "$log_upgrade"
echo " Try checking \"$log_upgrade_run\"... " | tee -a "$log_upgrade"
rc_failed; rc_status -v; rc_exit;
}
echo "Upgrading MySQL... " | tee -a "$log_upgrade"
/usr/bin/mysql_upgrade \
--socket="$protected/mysql.sock" | tee -a "$log_upgrade"
[ "$PIPESTATUS" -ne 0 ] && {
rc_failed; rc_status -v;
kill -TERM "`cat $protected/mysqld.pid`"
rc_exit; }
kill -TERM "`cat $protected/mysqld.pid`"
rm -rf "$protected"
# Fix ownerships and permissions for $datadir
chmod 750 "$datadir"
chown -R "$mysql_daemon_user:$mysql_daemon_group" "$datadir"
rm -f "$datadir/.run-mysql_upgrade" \
"$datadir"/{update-stamp-*,mysql/stamp-4.1} # used in the past
chown "$mysql_daemon_user:$mysql_daemon_group" "$log_upgrade"
chmod 640 "$log_upgrade"
fi
export TMPDIR="$TEMPDIR"
echo -n "Starting service MySQL "
$SAFE_MYSQLD \
--mysqld=${MYSQLD#/usr/sbin/} \
$debug_flags \
--user="$mysql_daemon_user" \
--pid-file="$pid_file" \
--socket="$socket" \
--datadir="$datadir" &>/dev/null &
wait_for_socket "$socket" || {
# let's not treat this as a fatal error
echo "warning: $socket didn't appear within 30 seconds"
}
chmod a+r "$pid_file"
# Rmember status and be verbose
rc_status -v
;;
stop)
echo -n "Shutting down service MySQL "
kill_mysql
if [ "$TEMPDIR" ] && [ -d "$TEMPDIR" ] && \
[ "`ls -ld "$TEMPDIR" | grep "^drwx------[\\.\+]\?[[:blank:]]\+[0-9]\+[[:blank:]]\+$mysql_daemon_user[[:blank:]]\+$mysql_daemon_group[[:blank:]]\+.*"`" ]; then
rm -rf "$TEMPDIR"
fi
# Remember status and be verbose
rc_status -v
;;
try-restart)
## Stop the service and if this succeeds (i.e. the
## service was running before), start it again.
## Note: try-restart is not (yet) part of LSB (as of 0.7.5)
"$MYSELF" status >/dev/null && "$MYSELF" restart
# Remember status and be quiet
rc_status
;;
restart|force-reload)
echo "Restarting service MySQL "
"$MYSELF" stop
"$MYSELF" start
rc_status
;;
reload)
echo -n "Reloading service MySQL "
kill -HUP "`cat "$pid_file"`"
touch "$pid_file"
rc_status -v
;;
check|status)
echo -n "Checking for service MySQL: "
## Check status with checkproc(8), if process is running
## checkproc will return with exit status 0.
# Status has a slightly different for the status command:
# 0 - service running
# 1 - service dead, but /var/run/ pid file exists
# 2 - service dead, but /var/lock/ lock file exists
# 3 - service not running
# NOTE: checkproc returns LSB compliant status values,
# but it checks for running binary first and only
# if it doesn't find running process with proper
# name it checks pidfile. So we can't use it because
# akonadi runs it's own database.
# checkproc -p $pid_file $MYSQLD
if [ -f "$pid_file" ]; then
if ! [ -e /proc/version ]; then
mount -n -t proc proc /proc
test -e /proc/version || set_return_value 100
fi
pid="`cat "$pid_file"`"
if [ "$pid" ] && [ -d "/proc/$pid" ]; then
cmd=`cat "/proc/$pid/cmdline" 2> /dev/null`
exe=`readlink "/proc/$pid/exe" 2> /dev/null`
if [ "`echo "$exe" | grep "^$MYSQLD"`" ] || [ "`echo "$cmd" | grep "^$MYSQLD"`" ]; then
set_return_value 0
else
set_return_value 1
fi
else
set_return_value 1
fi
else
set_return_value 3
fi
rc_status -v
;;
*)
echo "Usage: $MYSELF {start|stop|status|reload|restart|try-restart|force-reload}"
exit 1
;;
esac
fi
rc_exit
# vim: ft=sh
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