exit 0
fi
+# This mimics the scenario where a single server has been used until now (no
+# syncprov either, so no contextCSN) and we convert it to a delta-MMR setup:
+# 1. stop the server (note that there is likely no contextCSN in the DB at this point)
+# 2. configure all servers to delta-replicate from each other and start them up
+# - empty servers will start with a refresh of the main DB
+# - when the refresh is successful they should change over to replicating the log
+# 3. keep making changes on all servers to see things still work
+
echo "This test tracks a case where slapd deadlocks during a significant write load"
echo "See http://www.openldap.org/its/index.cgi/?findid=8752 for more information."
MMR=4
+iterations=20000
+check_sync_every=100
+MAPSIZE=`expr 100 \* 1024 \* 1024`
XDIR=$TESTDIR/srv
mkdir -p $TESTDIR
fi
KILLPIDS="$PID"
-sleep 1
+sleep $SLEEP0
echo "Using ldapsearch to check that slapd is running..."
for i in 0 1 2 3 4 5; do
if test $RC = 0 ; then
break
fi
- echo "Waiting 5 seconds for slapd to start..."
- sleep 5
+ echo "Waiting $SLEEP1 seconds for slapd to start..."
+ sleep $SLEEP1
done
if test $RC != 0 ; then
echo "Stopping slapd and reworking configuration for MMR..."
-test $KILLSERVERS != no && kill -HUP $KILLPIDS
+kill -HUP $KILLPIDS
wait $KILLPIDS
KILLPIDS=
MYCONF=`eval echo '$CONF'$n`
echo "Starting provider slapd on TCP/IP URI $MYURI"
. $CONFFILTER $BACKEND $MONITORDB < $ITSDIR/slapd.conf.mmr > $TESTDIR/slapd.conf
- sed -e "s/MMR/$n/g" $TESTDIR/slapd.conf > $MYCONF
+ sed -e "s/MMR/$n/g" -e "s/wronglog/log/" -e "s/@MAPSIZE@/$MAPSIZE/" $TESTDIR/slapd.conf > $MYCONF
j=1
while [ $j -le $MMR ]; do
MMCURI=`eval echo '$URI'$j`
read foo
fi
KILLPIDS="$PID $KILLPIDS"
- sleep 1
+ sleep $SLEEP0
echo "Using ldapsearch to check that provider slapd is running..."
for i in 0 1 2 3 4 5; do
if test $RC = 0 ; then
break
fi
- echo "Waiting 5 seconds for slapd to start..."
- sleep 5
+ echo "Waiting $SLEEP1 seconds for slapd to start..."
+ sleep $SLEEP1
done
-
+
if test $RC != 0 ; then
echo "ldapsearch failed ($RC)!"
test $KILLSERVERS != no && kill -HUP $KILLPIDS
echo "Setting up accesslog on each master..."
n=1
while [ $n -le $MMR ]; do
- echo "Modifying dn: cn=Elmer_Fudd,ou=People,dc=example,dc=com on master $n"
+ echo "Modifying dn: cn=Elmer_Fudd,ou=People,$BASEDN on master $n"
MYURI=`eval echo '$URI'$n`
$LDAPMODIFY -v -D "$MANAGERDN" -H $MYURI -w $PASSWD > \
$TESTOUT 2>&1 << EOMODS
replace: sn
sn: Fudd
EOMODS
- sleep 5
+ RC=$?
+ if test $RC != 0; then
+ echo "ldapmodify failed ($RC)"
+ test $KILLSERVERS != no && kill -HUP $KILLPIDS
+ exit 1
+ fi
+ sleep $SLEEP0
n=`expr $n + 1`
done
-echo "Sleeping 30 seconds to ensure replication is reconciled between all nodes"
-echo "The next step of the test will perform 20000 random write operations and may take some time."
+#echo "Letting server 1 establish its own contextCSN..."
+#echo "Modifying dn: cn=Elmer_Fudd,ou=People,$BASEDN on $URI1"
+#$LDAPMODIFY -v -D "$MANAGERDN" -H $URI1 -w $PASSWD > \
+# $TESTOUT 2>&1 << EOMODS
+#dn: cn=Elmer_Fudd,ou=People,$BASEDN
+#changetype: modify
+#replace: sn
+#sn: Fudd
+#EOMODS
+
+for i in 0 1 2 3 4 5; do
+ j=1
+ while [ $j -le $MMR ]; do
+ MYURI=`eval echo '$URI'$j`
+ $LDAPSEARCH -b "$BASEDN" -H "$MYURI" \
+ '*' '+' >"$TESTDIR/server$j.out" 2>&1
+ RC=$?
+ if test $RC != 0 ; then
+ echo "ldapsearch failed ($RC)!"
+ test $KILLSERVERS != no && kill -HUP $KILLPIDS
+ exit $RC
+ fi
+ $LDIFFILTER -s a < "$TESTDIR/server$j.out" > "$TESTDIR/server$j.flt"
+ j=`expr $j + 1`
+ done
+
+ in_sync=1
+ j=1
+ while [ $j -lt $MMR ]; do
+ k=$j
+ j=`expr $j + 1`
+ $CMP "$TESTDIR/server$k.flt" "$TESTDIR/server$j.flt" > $CMPOUT
+ if test $? != 0 ; then
+ in_sync=0
+ fi
+ done
+ if test $in_sync = 1; then
+ break
+ fi
+
+ echo "Waiting $SLEEP1 seconds for servers to catch up..."
+ sleep $SLEEP1
+done
+
+if test $in_sync = 0; then
+ echo "Servers did not replicate in time"
+ test $KILLSERVERS != no && kill -HUP $KILLPIDS
+ exit 1
+fi
+
+echo "The next step of the test will perform $iterations random write operations and may take some time."
echo "As this test is for a deadlock, it will take manual intervention to exit the test if one occurs."
-sleep 30
echo "Starting random master/entry modifications..."
DN1="cn=Elmer_Fudd,ou=People,$BASEDN"
VAL4="Duck"
n=1
-while [ $n -le 20000 ]; do
+while [ $n -le $iterations ]; do
seed=`date +%N|sed s/...$//`
rvalue=`echo|awk "BEGIN {srand($seed)
-{print int(1+rand()*4)}}"`
+{print int(1+rand()*$MMR)}}"`
MYURI=`eval echo '$URI'$rvalue`
seed=`date +%N|sed s/...$//`
rvalue=`echo|awk "BEGIN {srand($seed)
{print int(1+rand()*4)}}"`
MYDN=`eval echo '$DN'$rvalue`
MYVAL=`eval echo '$VAL'$rvalue`
- echo "Modifying $MYURI entry $MYDN with value $MYVAL iteration $n of 20000"
+ echo "Modifying $MYURI entry $MYDN with value $MYVAL iteration $n of $iterations"
$LDAPMODIFY -v -D "$MANAGERDN" -H $MYURI -w $PASSWD > \
$TESTOUT 2>&1 << EOMODS
replace: sn
sn: $MYVAL
EOMODS
+ RC=$?
+ if test $RC != 0; then
+ echo "ldapmodify failed ($RC)"
+ test $KILLSERVERS != no && kill -HUP $KILLPIDS
+ exit 1
+ fi
+
+ if [ "$check_sync_every" -gt 0 ] && [ `expr $n % $check_sync_every` = 0 ]; then
+ i=1
+ echo "Checking replication status before we start iteration $n..."
+ for i in 0 1 2 3 4 5; do
+ j=1
+ while [ $j -le $MMR ]; do
+ MYURI=`eval echo '$URI'$j`
+ echo "Reading database from server $j..."
+ $LDAPSEARCH -b "$BASEDN" -H "$MYURI" \
+ '*' '+' >"$TESTDIR/server$j.out" 2>&1
+ RC=$?
+ if test $RC != 0 ; then
+ echo "ldapsearch failed ($RC)!"
+ test $KILLSERVERS != no && kill -HUP $KILLPIDS
+ exit $RC
+ fi
+ $LDIFFILTER -s a < "$TESTDIR/server$j.out" > "$TESTDIR/server$j.flt"
+ j=`expr $j + 1`
+ done
+
+ in_sync=1
+ j=1
+ while [ $j -lt $MMR ]; do
+ k=`expr $j + 1`
+ $CMP "$TESTDIR/server$j.flt" "$TESTDIR/server$k.flt" > $CMPOUT
+ if test $? != 0 ; then
+ in_sync=0
+ fi
+ j=$k
+ done
+ if test $in_sync = 1; then
+ break
+ fi
+
+ echo "Waiting $SLEEP1 seconds for servers to catch up..."
+ sleep $SLEEP1
+ done
+
+ if test $in_sync = 0; then
+ echo "Servers did not replicate in time"
+ test $KILLSERVERS != no && kill -HUP $KILLPIDS
+ exit 1
+ fi
+ fi
+ n=`expr $n + 1`
+done
+
+kill -HUP $KILLPIDS
+wait $KILLPIDS
+
+echo "The next step of the test will perform $iterations random write operations and may take some time."
+echo "As this test is for a deadlock, it will take manual intervention to exit the test if one occurs."
+
+echo "Starting servers again, this time with the wrong logbase setting..."
+KILLPIDS=
+n=1
+while [ $n -le $MMR ]; do
+ MYURI=`eval echo '$URI'$n`
+ MYLOG=`eval echo '$LOG'$n`
+ MYCONF=`eval echo '$CONF'$n`
+ echo "Starting provider slapd on TCP/IP URI $MYURI"
+ . $CONFFILTER $BACKEND $MONITORDB < $ITSDIR/slapd.conf.mmr > $TESTDIR/slapd.conf
+ sed -e "s/MMR/$n/g" -e "s/@MAPSIZE@/$MAPSIZE/" $TESTDIR/slapd.conf > $MYCONF
+ j=1
+ while [ $j -le $MMR ]; do
+ MMCURI=`eval echo '$URI'$j`
+ sed -e "s|MMC${j}|${MMCURI}|" $MYCONF > $TESTDIR/slapd.conf
+ mv $TESTDIR/slapd.conf $MYCONF
+ j=`expr $j + 1`
+ done
+ if [ -f $TESTDIR/slapd.conf ]; then
+ rm -f $TESTDIR/slapd.conf
+ fi
+ $SLAPD -f $MYCONF -h $MYURI -d $LVL $TIMING >> $MYLOG 2>&1 &
+ PID=$!
+ if test $WAIT != 0 ; then
+ echo PID $PID
+ read foo
+ fi
+ KILLPIDS="$PID $KILLPIDS"
+ sleep $SLEEP0
+
+ echo "Using ldapsearch to check that provider slapd is running..."
+ for i in 0 1 2 3 4 5; do
+ $LDAPSEARCH -s base -b "" -H $MYURI \
+ 'objectclass=*' > /dev/null 2>&1
+ RC=$?
+ if test $RC = 0 ; then
+ break
+ fi
+ echo "Waiting $SLEEP1 seconds for slapd to start..."
+ sleep $SLEEP1
+ done
+
+ if test $RC != 0 ; then
+ echo "ldapsearch failed ($RC)!"
+ test $KILLSERVERS != no && kill -HUP $KILLPIDS
+ exit $RC
+ fi
+ n=`expr $n + 1`
+ done
+
+ echo "Starting random master/entry modifications..."
+ n=1
+ while [ $n -le $iterations ]; do
+ seed=`date +%N|sed s/...$//`
+ rvalue=`echo|awk "BEGIN {srand($seed)
+ {print int(1+rand()*$MMR)}}"`
+ MYURI=`eval echo '$URI'$rvalue`
+ seed=`date +%N|sed s/...$//`
+ rvalue=`echo|awk "BEGIN {srand($seed)
+ {print int(1+rand()*4)}}"`
+ MYDN=`eval echo '$DN'$rvalue`
+ MYVAL=`eval echo '$VAL'$rvalue`
+ echo "Modifying $MYURI entry $MYDN with value $MYVAL iteration $n of $iterations"
+ $LDAPMODIFY -v -D "$MANAGERDN" -H $MYURI -w $PASSWD > \
+ $TESTOUT 2>&1 << EOMODS
+
+dn: $MYDN
+changetype: modify
+replace: sn
+sn: $MYVAL
+EOMODS
+RC=$?
+if test $RC != 0; then
+ echo "ldapmodify failed ($RC)"
+ test $KILLSERVERS != no && kill -HUP $KILLPIDS
+ exit 1
+fi
+
+if [ "$check_sync_every" -gt 0 ] && [ `expr $n % $check_sync_every` = 0 ]; then
+ i=1
+ echo "Checking replication status before we start iteration $n..."
+ for i in 0 1 2 3 4 5; do
+ j=1
+ while [ $j -le $MMR ]; do
+ MYURI=`eval echo '$URI'$j`
+ echo "Reading database from server $j..."
+ $LDAPSEARCH -b "$BASEDN" -H "$MYURI" \
+ '*' '+' >"$TESTDIR/server$j.out" 2>&1
+ RC=$?
+ if test $RC != 0 ; then
+ echo "ldapsearch failed ($RC)!"
+ test $KILLSERVERS != no && kill -HUP $KILLPIDS
+ exit $RC
+ fi
+ $LDIFFILTER -s a < "$TESTDIR/server$j.out" > "$TESTDIR/server$j.flt"
+ j=`expr $j + 1`
+ done
+
+ in_sync=1
+ j=1
+ while [ $j -lt $MMR ]; do
+ k=`expr $j + 1`
+ $CMP "$TESTDIR/server$j.flt" "$TESTDIR/server$k.flt" > $CMPOUT
+ if test $? != 0 ; then
+ in_sync=0
+ fi
+ j=$k
+ done
+ if test $in_sync = 1; then
+ break
+ fi
+
+ echo "Waiting $SLEEP1 seconds for servers to catch up..."
+ sleep $SLEEP1
+ done
+
+ if test $in_sync = 0; then
+ echo "Servers did not replicate in time"
+ test $KILLSERVERS != no && kill -HUP $KILLPIDS
+ exit 1
+ fi
+ fi
n=`expr $n + 1`
done