Enable ndbcluster support, fix a couple of small issues

2008-07-27 17:54:30 +00:00 · 2008-07-27 17:54:30 +00:00 · e9e34fccd8
commit e9e34fccd8
parent 20564e52c0
8 changed files with 411 additions and 12 deletions
--- a/my.cnf
+++ b/my.cnf
@ -6,6 +6,21 @@ user=mysql
 # clients (those using the mysqlclient10 compatibility package).
 old_passwords=1

+# To allow mysqld to connect to a MySQL Cluster management daemon, uncomment
+# these lines and adjust the connectstring as needed.
+#ndbcluster
+#ndb-connectstring="nodeid=4;host=localhost:1186"
+
 [mysqld_safe]
 log-error=/var/log/mysqld.log
 pid-file=/var/run/mysqld/mysqld.pid
+
+[ndbd]
+# If you are running a MySQL Cluster storage daemon (ndbd) on this machine,
+# adjust its connection to the management daemon here.
+# Note: ndbd init script requires this to include nodeid!
+connect-string="nodeid=2;host=localhost:1186"
+
+[ndb_mgm]
+# connection string for MySQL Cluster management tool
+connect-string="host=localhost:1186"
--- a/mysql-install-test.patch
+++ b/mysql-install-test.patch
@ -7,7 +7,7 @@ This patch also improves the documentation a tad.
 diff -Naur mysql-5.0.40.orig/mysql-test/README mysql-5.0.40/mysql-test/README
 --- mysql-5.0.40.orig/mysql-test/README	2007-04-20 10:14:42.000000000 -0400
 +++ mysql-5.0.40/mysql-test/README	2007-05-23 14:41:03.000000000 -0400
-@@ -6,6 +6,14 @@
+@@ -6,6 +6,17 @@
 actually have a co-existing MySQL installation. The tests will not
 conflict with it.
 
@ -17,12 +17,15 @@ diff -Naur mysql-5.0.40.orig/mysql-test/README mysql-5.0.40/mysql-test/README
 +	sudo -u mysql ./mysql-test-run
 +This will use the installed mysql executables, but will run a private copy
 +of the server process (using data files within /usr/share/mysql-test),
-+so you need not start the mysqld service beforehand.
+so you need not start the mysqld service beforehand.  If you have not
+installed mysql-cluster, use
+	sudo -u mysql ./mysql-test-run --skip-ndbcluster
+to skip the cluster-related tests.
 +
 All tests must pass. If one or more of them fail on your system, please
 read the following manual section for instructions on how to report the
 problem:
-@@ -25,7 +33,8 @@
+@@ -25,7 +36,8 @@
 
 With no test cases named on the command line, mysql-test-run falls back
 to the normal "non-extern" behavior. The reason for this is that some
--- a/mysql-no-dbug.patch
+++ b/mysql-no-dbug.patch
@ -0,0 +1,17 @@
+Don't build the dbug manual.  We aren't going to install it anyway, so
+there's no need to do so.  Attempting to build it causes crashes if one
+has built with -DDBUG_OFF, as we do by default.  Per bug #437053.
+
+
+diff -Naur mysql-5.0.51a.orig/dbug/Makefile.am mysql-5.0.51a/dbug/Makefile.am
+--- mysql-5.0.51a.orig/dbug/Makefile.am	2008-01-11 09:43:29.000000000 -0500
+++ mysql-5.0.51a/dbug/Makefile.am	2008-07-27 12:21:56.000000000 -0400
+@@ -35,7 +35,7 @@
+ factorial_SOURCES =     my_main.c factorial.c
+ dbug_analyze_SOURCES =  dbug_analyze.c
+ 
+-all:            user.t user.ps
+all:
+ 
+ user.t:         user.r $(NROFF_INC)
+ 		-nroff -mm user.r > $@
--- a/mysql.init
+++ b/mysql.init
@ -46,7 +46,7 @@ start(){
 	chmod 0640 "$errlogfile"
 	[ -x /sbin/restorecon ] && /sbin/restorecon "$errlogfile"
 	if [ ! -d "$datadir/mysql" ] ; then
-	    action $"Initializing MySQL database: " /usr/bin/mysql_install_db
+	    action $"Initializing MySQL database: " /usr/bin/mysql_install_db --datadir="$datadir" --user=mysql
 	    ret=$?
 	    chown -R mysql:mysql "$datadir"
 	    if [ $ret -ne 0 ] ; then
@ -60,7 +60,7 @@ start(){
 	# but we need to be sure.
 	/usr/bin/mysqld_safe   --datadir="$datadir" --socket="$socketfile" \
 		--log-error="$errlogfile" --pid-file="$mypidfile" \
-		>/dev/null 2>&1 &
+		--user=mysql >/dev/null 2>&1 &
 	ret=$?
 	# Spin for a maximum of N seconds waiting for the server to come up.
 	# Rather than assuming we know a valid username, accept an "access
--- a/mysql.spec
+++ b/mysql.spec
@ -1,6 +1,6 @@
 Name: mysql
 Version: 5.0.51a
-Release: 1%{?dist}
+Release: 2%{?dist}
 Summary: MySQL client programs and shared libraries
 Group: Applications/Databases
 URL: http://www.mysql.com
@ -16,6 +16,9 @@ Source1: mysql.init
 Source3: my.cnf
 Source4: scriptstub.c
 Source5: my_config.h
+Source6: ndbd.init
+Source7: ndb_mgmd.init
+Source8: ndb_types.h
 # Working around perl dependency checking bug in rpm FTTB. Remove later.
 Source999: filter-requires-mysql.sh 
 Patch1: mysql-libdir.patch
@ -30,6 +33,7 @@ Patch9: mysql-bdb-link.patch
 Patch10: mysql-bdb-open.patch
 Patch11: mysql-innodb-crash.patch
 Patch12: mysql-ssl.patch
+Patch13: mysql-no-dbug.patch
 Patch14: mysql-ss-test.patch
 Patch15: mysql-stack-guard.patch

@ -86,6 +90,22 @@ client/server implementation consisting of a server daemon (mysqld)
 and many different client programs and libraries. This package contains
 the MySQL server and some accompanying files and directories.

+%package cluster
+
+Summary: MySQL Cluster daemons and related files
+Group: Applications/Databases
+Requires: %{name} = %{version}-%{release}
+Conflicts: MySQL-storage-cluster
+Conflicts: MySQL-management-cluster
+Conflicts: MySQL-tools-cluster
+Conflicts: MySQL-extra-cluster
+
+%description cluster
+MySQL is a multi-user, multi-threaded SQL database server.
+MySQL Cluster is a distributed in-memory data store that can be accessed
+by a MySQL server. This package contains the programs needed to run a MySQL
+Cluster installation.
+
 %package devel

 Summary: Files for development of MySQL applications
@ -139,6 +159,7 @@ the MySQL sources.
 %patch10 -p1
 %patch11 -p1
 %patch12 -p1
+%patch13 -p1
 %patch14 -p1
 %patch15 -p1

@ -172,6 +193,7 @@ export CFLAGS CXXFLAGS
 	--with-mysqld-user="mysql" \
 	--with-extra-charsets=all \
 	--with-innodb \
+	--with-ndbcluster \
 	--with-berkeley-db \
 	--enable-local-infile \
 	--enable-largefile \
@ -206,12 +228,14 @@ rm -rf $RPM_BUILD_ROOT

 %makeinstall

-# multilib header hack
+# multilib header hacks
 # we only apply this to known Red Hat multilib arches, per bug #181335
 case `uname -i` in
  i386 | x86_64 | ppc | ppc64 | s390 | s390x | sparc | sparcv9 | sparc64 )
-    install -m 644 include/my_config.h $RPM_BUILD_ROOT/usr/include/mysql/my_config_`uname -i`.h
+    mv $RPM_BUILD_ROOT/usr/include/mysql/my_config.h $RPM_BUILD_ROOT/usr/include/mysql/my_config_`uname -i`.h
    install -m 644 %{SOURCE5} $RPM_BUILD_ROOT/usr/include/mysql/
+    mv $RPM_BUILD_ROOT/usr/include/mysql/ndb/ndb_types.h $RPM_BUILD_ROOT/usr/include/mysql/ndb/ndb_types_`uname -i`.h
+    install -m 644 %{SOURCE8} $RPM_BUILD_ROOT/usr/include/mysql/ndb/
    ;;
  *)
    ;;
@ -228,8 +252,11 @@ gzip ${RPM_BUILD_ROOT}%{_infodir}/*
 mkdir -p $RPM_BUILD_ROOT/etc/rc.d/init.d
 mkdir -p $RPM_BUILD_ROOT/var/run/mysqld
 install -m 0755 -d $RPM_BUILD_ROOT/var/lib/mysql
+install -m 0755 -d $RPM_BUILD_ROOT/var/lib/mysql-cluster
 install -m 0755 %{SOURCE1} $RPM_BUILD_ROOT/etc/rc.d/init.d/mysqld
 install -m 0644 %{SOURCE3} $RPM_BUILD_ROOT/etc/my.cnf
+install -m 0755 %{SOURCE6} $RPM_BUILD_ROOT/etc/rc.d/init.d/ndbd
+install -m 0755 %{SOURCE7} $RPM_BUILD_ROOT/etc/rc.d/init.d/ndb_mgmd
 rm -f $RPM_BUILD_ROOT/%{_infodir}/dir*
 mv $RPM_BUILD_ROOT/usr/sql-bench $RPM_BUILD_ROOT%{_datadir}/sql-bench
 mv $RPM_BUILD_ROOT/usr/mysql-test $RPM_BUILD_ROOT%{_datadir}/mysql-test
@ -246,11 +273,11 @@ rm -f ${RPM_BUILD_ROOT}%{_bindir}/make_win_src_distribution
 rm -f ${RPM_BUILD_ROOT}%{_mandir}/man1/make_win_bin_dist.1*
 rm -f ${RPM_BUILD_ROOT}%{_mandir}/man1/make_win_src_distribution.1*
 rm -f ${RPM_BUILD_ROOT}%{_libdir}/mysql/libmysqlclient*.la
+rm -f ${RPM_BUILD_ROOT}%{_libdir}/mysql/libndbclient.la
 rm -f ${RPM_BUILD_ROOT}%{_datadir}/mysql/binary-configure
 rm -f ${RPM_BUILD_ROOT}%{_datadir}/mysql/make_binary_distribution
 rm -f ${RPM_BUILD_ROOT}%{_datadir}/mysql/make_sharedlib_distribution
 rm -f ${RPM_BUILD_ROOT}%{_datadir}/mysql/mi_test_all*
-rm -f ${RPM_BUILD_ROOT}%{_datadir}/mysql/ndb-config-2-node.ini
 rm -f ${RPM_BUILD_ROOT}%{_datadir}/mysql/mysql.server
 rm -f ${RPM_BUILD_ROOT}%{_datadir}/mysql/mysqld_multi.server
 rm -f ${RPM_BUILD_ROOT}%{_datadir}/mysql/MySQL-shared-compat.spec
@ -261,8 +288,12 @@ rm -f ${RPM_BUILD_ROOT}%{_datadir}/mysql/mysql-*.spec
 rm -f ${RPM_BUILD_ROOT}%{_datadir}/mysql/mysql-log-rotate
 rm -f ${RPM_BUILD_ROOT}%{_mandir}/man1/mysql-stress-test.pl.1*
 rm -f ${RPM_BUILD_ROOT}%{_mandir}/man1/mysql-test-run.pl.1*
-rm -f ${RPM_BUILD_ROOT}%{_mandir}/man1/ndbd.1*
-rm -f ${RPM_BUILD_ROOT}%{_mandir}/man1/ndb_*.1*
+rm -f ${RPM_BUILD_ROOT}/usr/libexec/ndb_cpcd
+rm -f ${RPM_BUILD_ROOT}%{_mandir}/man1/ndb_cpcd.1*
+# for the moment, remove ndb_size because of dependency on HTML::Template
+rm -f ${RPM_BUILD_ROOT}%{_bindir}/ndb_size.pl
+rm -f ${RPM_BUILD_ROOT}%{_mandir}/man1/ndb_size.pl.1*
+rm -f ${RPM_BUILD_ROOT}%{_datadir}/mysql/ndb_size.tmpl

 mkdir -p $RPM_BUILD_ROOT/etc/ld.so.conf.d
 echo "%{_libdir}/mysql" > $RPM_BUILD_ROOT/etc/ld.so.conf.d/%{name}-%{_arch}.conf
@ -274,6 +305,10 @@ rm -rf $RPM_BUILD_ROOT
 /usr/sbin/useradd -M -o -r -d /var/lib/mysql -s /bin/bash \
 	-c "MySQL Server" -u 27 mysql > /dev/null 2>&1 || :

+%pre cluster
+/usr/sbin/useradd -M -o -r -d /var/lib/mysql -s /bin/bash \
+	-c "MySQL Server" -u 27 mysql > /dev/null 2>&1 || :
+
 %post 
 /sbin/install-info %{_infodir}/mysql.info.gz %{_infodir}/dir

@ -287,6 +322,13 @@ fi
 /bin/chmod 0755 /var/lib/mysql
 /bin/touch /var/log/mysqld.log

+%post cluster
+if [ $1 = 1 ]; then
+    /sbin/chkconfig --add ndbd
+    /sbin/chkconfig --add ndb_mgmd
+fi
+/bin/chmod 0755 /var/lib/mysql-cluster
+
 %preun
 if [ $1 = 0 ]; then
    /sbin/install-info --delete %{_infodir}/mysql.info.gz %{_infodir}/dir || :
@ -297,6 +339,12 @@ if [ $1 = 0 ]; then
    /sbin/chkconfig --del mysqld
 fi

+%preun cluster
+if [ $1 = 0 ]; then
+    /sbin/chkconfig --del ndb_mgmd
+    /sbin/chkconfig --del ndbd
+fi
+
 %postun libs
 if [ $1 = 0 ] ; then
    /sbin/ldconfig
@ -308,6 +356,12 @@ if [ $1 -ge 1 ]; then
    /sbin/service mysqld condrestart >/dev/null 2>&1 || :
 fi

+%postun cluster
+if [ $1 -ge 1 ]; then
+    /sbin/service ndb_mgmd condrestart >/dev/null 2>&1 || :
+    /sbin/service ndbd condrestart >/dev/null 2>&1 || :
+fi
+

 %files
 %defattr(-,root,root)
@ -331,7 +385,6 @@ fi
 %{_infodir}/*

 %{_mandir}/man1/mysql.1*
-%{_mandir}/man1/mysql_config.1*
 %{_mandir}/man1/mysql_find_rows.1*
 %{_mandir}/man1/mysql_tableinfo.1*
 %{_mandir}/man1/mysql_waitpid.1*
@ -353,6 +406,7 @@ fi

 %dir %{_libdir}/mysql
 %{_libdir}/mysql/libmysqlclient*.so.*
+%{_libdir}/mysql/libndbclient.so.*
 /etc/ld.so.conf.d/*

 %dir %{_datadir}/mysql
@ -425,6 +479,7 @@ fi
 %{_mandir}/man1/mysql_convert_table_format.1*
 %{_mandir}/man1/myisam_ftdump.1*
 %{_mandir}/man1/mysql.server.1*
+%{_mandir}/man1/mysql_config.1*
 %{_mandir}/man1/mysql_explain_log.1*
 %{_mandir}/man1/mysql_fix_extensions.1*
 %{_mandir}/man1/mysql_fix_privilege_tables.1*
@ -465,11 +520,58 @@ fi
 %attr(0755,mysql,mysql) %dir /var/lib/mysql
 %attr(0640,mysql,mysql) %config(noreplace) %verify(not md5 size mtime) /var/log/mysqld.log

+%files cluster
+%defattr(-,root,root)
+
+%{_bindir}/ndb_config
+%{_bindir}/ndb_delete_all
+%{_bindir}/ndb_desc
+%{_bindir}/ndb_drop_index
+%{_bindir}/ndb_drop_table
+%{_bindir}/ndb_error_reporter
+%{_bindir}/ndb_mgm
+%{_bindir}/ndb_restore
+%{_bindir}/ndb_select_all
+%{_bindir}/ndb_select_count
+%{_bindir}/ndb_show_tables
+#%{_bindir}/ndb_size.pl
+%{_bindir}/ndb_test_platform
+%{_bindir}/ndb_waiter
+
+/usr/libexec/ndb_mgmd
+/usr/libexec/ndbd
+
+%{_datadir}/mysql/ndb-*.ini
+#%{_datadir}/mysql/ndb_size.tmpl
+/etc/rc.d/init.d/ndbd
+/etc/rc.d/init.d/ndb_mgmd
+%attr(0755,mysql,mysql) %dir /var/lib/mysql-cluster
+
+%{_mandir}/man1/ndb_config.1*
+%{_mandir}/man1/ndb_delete_all.1*
+%{_mandir}/man1/ndb_desc.1*
+%{_mandir}/man1/ndb_drop_index.1*
+%{_mandir}/man1/ndb_drop_table.1*
+%{_mandir}/man1/ndb_error_reporter.1*
+%{_mandir}/man1/ndb_mgm.1*
+%{_mandir}/man1/ndb_mgmd.1*
+%{_mandir}/man1/ndb_print_backup_file.1*
+%{_mandir}/man1/ndb_print_schema_file.1*
+%{_mandir}/man1/ndb_print_sys_file.1*
+%{_mandir}/man1/ndb_restore.1*
+%{_mandir}/man1/ndb_select_all.1*
+%{_mandir}/man1/ndb_select_count.1*
+%{_mandir}/man1/ndb_show_tables.1*
+#%{_mandir}/man1/ndb_size.pl.1*
+%{_mandir}/man1/ndb_waiter.1*
+%{_mandir}/man1/ndbd.1*
+
 %files devel
 %defattr(-,root,root)
 /usr/include/mysql
 %{_libdir}/mysql/*.a
 %{_libdir}/mysql/libmysqlclient*.so
+%{_libdir}/mysql/libndbclient.so

 %files bench
 %defattr(-,root,root)
@ -483,6 +585,16 @@ fi
 %{_mandir}/man1/mysql_client_test.1*

 %changelog
+* Sun Jul 27 2008 Tom Lane <tgl@redhat.com> 5.0.51a-2
+- Enable ndbcluster support
+Resolves: #163758
+- Suppress odd crash messages during package build, caused by trying to
+  build dbug manual (which we don't install anyway) with dbug disabled
+Resolves: #437053
+- Improve mysql.init to pass configured datadir to mysql_install_db,
+  and to force user=mysql for both mysql_install_db and mysqld_safe.
+Related: #450178
+
 * Mon Mar  3 2008 Tom Lane <tgl@redhat.com> 5.0.51a-1
 - Update to mysql version 5.0.51a

--- a/ndb_mgmd.init
+++ b/ndb_mgmd.init
@ -0,0 +1,116 @@
+#!/bin/bash
+#
+# ndb_mgmd	This shell script takes care of starting and stopping
+#		the MySQL Cluster management daemon (ndb_mgmd).
+#
+# chkconfig: - 62 38
+# description:	MySQL Cluster management daemon.
+# processname: ndb_mgmd
+# config: /var/lib/mysql-cluster/config.ini
+# pidfile: /var/lib/mysql-cluster/ndb_${node_id}.pid
+
+# Source function library.
+. /etc/rc.d/init.d/functions
+
+# Source networking configuration.
+. /etc/sysconfig/network
+
+
+prog="ndb_mgmd"
+
+# extract value of a MySQL option from config files
+# Usage: get_mysql_option SECTION VARNAME DEFAULT
+# result is returned in $result
+# We use my_print_defaults which prints all options from multiple files,
+# with the more specific ones later; hence take the last match.
+get_mysql_option(){
+	result=`/usr/bin/my_print_defaults --extra-file=/var/lib/mysql-cluster/config.ini "$1" | sed -n "s/^--$2=//p" | tail -n 1`
+	if [ -z "$result" ]; then
+	    # not found, use default
+	    result="$3"
+	fi
+}
+
+get_mysql_option ndb_mgmd id "1"
+node_id="$result"
+errlogfile="/var/lib/mysql-cluster/ndb_${node_id}_out.log"
+pidfile="/var/lib/mysql-cluster/ndb_${node_id}.pid"
+
+# For SELinux we need to use 'runuser' not 'su'
+if [ -x /sbin/runuser ]
+then
+    SU=runuser
+else
+    SU=su
+fi
+
+start(){
+	touch "$errlogfile"
+	chown mysql:mysql "$errlogfile" 
+	chmod 0640 "$errlogfile"
+	[ -x /sbin/restorecon ] && /sbin/restorecon "$errlogfile"
+
+	# all options are expected to be specified in
+	# /var/lib/mysql-cluster/config.ini.
+	$SU -l mysql -c "cd /var/lib/mysql-cluster; /usr/libexec/ndb_mgmd" >> "$errlogfile" 2>&1 < /dev/null
+	ret=$?
+	if [ $ret -eq 0 ]; then
+	    action $"Starting $prog: " /bin/true
+	else
+    	    action $"Starting $prog: " /bin/false
+	fi
+	[ $ret -eq 0 ] && touch /var/lock/subsys/ndb_mgmd
+	return $ret
+}
+
+stop(){
+        NDB_MGMD_PID=`cat "$pidfile"  2>/dev/null `
+        if [ -n "$NDB_MGMD_PID" ]; then
+	    /usr/bin/ndb_mgm -e shutdown >/dev/null
+            ret=$?
+            if [ $ret -eq 0 ]; then
+		rm -f /var/lock/subsys/ndb_mgmd
+		rm -f "$pidfile"
+		action $"Stopping $prog: " /bin/true
+            else
+                action $"Stopping $prog: " /bin/false
+            fi
+        else
+            ret=1
+            action $"Stopping $prog: " /bin/false
+        fi
+        return $ret
+}
+ 
+restart(){
+    stop
+    start
+}
+
+condrestart(){
+    [ -e /var/lock/subsys/ndb_mgmd ] && restart || :
+}
+
+# See how we were called.
+case "$1" in
+  start)
+    start
+    ;;
+  stop)
+    stop
+    ;;
+  status)
+    status ndb_mgmd
+    ;;
+  restart)
+    restart
+    ;;
+  condrestart)
+    condrestart
+    ;;
+  *)
+    echo $"Usage: $0 {start|stop|status|condrestart|restart}"
+    exit 1
+esac
+
+exit $?
--- a/ndb_types.h
+++ b/ndb_types.h
@ -0,0 +1,25 @@
+/*
+ * Kluge to support multilib installation of both 32- and 64-bit RPMS:
+ * we need to arrange that header files that appear in both RPMs are
+ * identical.  Hence, this file is architecture-independent and calls
+ * in an arch-dependent file that will appear in just one RPM.
+ *
+ * To avoid breaking arches not explicitly supported by Red Hat, we
+ * use this indirection file *only* on known multilib arches.
+ *
+ * Note: this may well fail if user tries to use gcc's -I- option.
+ * But that option is deprecated anyway.
+ */
+#if defined(__x86_64__)
+#include "ndb_types_x86_64.h"
+#elif defined(__i386__)
+#include "ndb_types_i386.h"
+#elif defined(__ppc64__) || defined(__powerpc64__)
+#include "ndb_types_ppc64.h"
+#elif defined(__ppc__) || defined(__powerpc__)
+#include "ndb_types_ppc.h"
+#elif defined(__s390x__)
+#include "ndb_types_s390x.h"
+#elif defined(__s390__)
+#include "ndb_types_s390.h"
+#endif
--- a/ndbd.init
+++ b/ndbd.init
@ -0,0 +1,111 @@
+#!/bin/bash
+#
+# ndbd		This shell script takes care of starting and stopping
+#		the MySQL Cluster data node daemon (ndbd).
+#
+# chkconfig: - 63 37
+# description:	MySQL Cluster data node daemon.
+# processname: ndbd
+# config: /etc/my.cnf
+# pidfile: /var/lib/mysql-cluster/ndb_${node_id}.pid
+
+# Source function library.
+. /etc/rc.d/init.d/functions
+
+# Source networking configuration.
+. /etc/sysconfig/network
+
+
+prog="ndbd"
+
+# extract value of a MySQL option from config files
+# Usage: get_mysql_option SECTION VARNAME DEFAULT
+# result is returned in $result
+# We use my_print_defaults which prints all options from multiple files,
+# with the more specific ones later; hence take the last match.
+get_mysql_option(){
+	result=`/usr/bin/my_print_defaults "$1" | sed -n "s/^--$2=//p" | tail -n 1`
+	if [ -z "$result" ]; then
+	    # not found, use default
+	    result="$3"
+	fi
+}
+
+get_mysql_option ndbd connect-string "nodeid=2;host=localhost:1186"
+ndbd_connect_string="$result"
+node_id=`echo "$result" | sed 's/^nodeid=\([0-9]*\);.*$/\1/'`
+connect_string=`echo "$result" | sed 's/^.*host=//'`
+pidfile="/var/lib/mysql-cluster/ndb_${node_id}.pid"
+
+# For SELinux we need to use 'runuser' not 'su'
+if [ -x /sbin/runuser ]
+then
+    SU=runuser
+else
+    SU=su
+fi
+
+start(){
+	# all options are expected to be specified in /etc/my.cnf
+	$SU -l mysql -c "/usr/libexec/ndbd" >/dev/null 2>&1
+	ret=$?
+	if [ $ret -eq 0 ]; then
+	    action $"Starting $prog: " /bin/true
+	else
+    	    action $"Starting $prog: " /bin/false
+	fi
+	[ $ret -eq 0 ] && touch /var/lock/subsys/ndbd
+	return $ret
+}
+
+stop(){
+        NDBD_PID=`cat "$pidfile"  2>/dev/null `
+        if [ -n "$NDBD_PID" ]; then
+	    /usr/bin/ndb_mgm -e "$node_id STOP" "$connect_string" >/dev/null
+            ret=$?
+            if [ $ret -eq 0 ]; then
+		rm -f /var/lock/subsys/ndbd
+		rm -f "$pidfile"
+		action $"Stopping $prog: " /bin/true
+            else
+                action $"Stopping $prog: " /bin/false
+            fi
+        else
+            ret=1
+            action $"Stopping $prog: " /bin/false
+        fi
+        return $ret
+}
+ 
+restart(){
+    stop
+    start
+}
+
+condrestart(){
+    [ -e /var/lock/subsys/ndbd ] && restart || :
+}
+
+# See how we were called.
+case "$1" in
+  start)
+    start
+    ;;
+  stop)
+    stop
+    ;;
+  status)
+    status ndbd
+    ;;
+  restart)
+    restart
+    ;;
+  condrestart)
+    condrestart
+    ;;
+  *)
+    echo $"Usage: $0 {start|stop|status|condrestart|restart}"
+    exit 1
+esac
+
+exit $?