X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Ftests%2Fsanity-gss.sh;h=b3062ed7b6644c688157a9709df1cff8a01ed3f4;hb=1bf858d5e1985aabafb90f4a011b737f95504b67;hp=d52cc1ff9ffc5d8ef31f45c36026f518106bdd8f;hpb=8a41cc258a4cf12f779b82c32d98e9696aa49833;p=fs%2Flustre-release.git

diff --git a/lustre/tests/sanity-gss.sh b/lustre/tests/sanity-gss.sh
index d52cc1f..b3062ed 100644
--- a/lustre/tests/sanity-gss.sh
+++ b/lustre/tests/sanity-gss.sh
@@ -9,15 +9,10 @@ set -e
 
 ONLY=${ONLY:-"$*"}
 # bug number for skipped test:
-ALWAYS_EXCEPT=${ALWAYS_EXCEPT:-""}
+ALWAYS_EXCEPT=${ALWAYS_EXCEPT:-"$SANITY_GSS_EXCEPT"}
 # UPDATE THE COMMENT ABOVE WITH BUG NUMBERS WHEN CHANGING ALWAYS_EXCEPT!
-if [ "x$GSS_PIPEFS" != "xy" ]; then
-    ALWAYS_EXCEPT="$ALWAYS_EXCEPT 4"
-fi
 
-[ "$SLOW" = "no" ] && EXCEPT="$EXCEPT"
-
-# Tests that fail on uml, maybe elsewhere, FIXME
+# Tests that fail on uml
 CPU=`awk '/model/ {print $4}' /proc/cpuinfo`
 [ "$CPU" = "UML" ] && EXCEPT="$EXCEPT"
 
@@ -28,116 +23,111 @@ esac
 
 SRCDIR=`dirname $0`
 export PATH=$PWD/$SRCDIR:$SRCDIR:$SRCDIR/../utils:$SRCDIR/../utils/gss:$PATH:/sbin
+export NAME=${NAME:-local}
+SAVE_PWD=$PWD
 
-TMP=${TMP:-/tmp}
-
-CHECKSTAT=${CHECKSTAT:-"checkstat -v"}
-CREATETEST=${CREATETEST:-createtest}
-LFS=${LFS:-lfs}
-LCTL=${LCTL:-lctl}
-MEMHOG=${MEMHOG:-memhog}
-DIRECTIO=${DIRECTIO:-directio}
-ACCEPTOR_PORT=${ACCEPTOR_PORT:-988}
-UMOUNT=${UMOUNT:-"umount -d"}
-
-if [ $UID -ne 0 ]; then
-    echo "Warning: running as non-root uid $UID"
-    RUNAS_ID="$UID"
-    RUNAS=""
-else
-    RUNAS_ID=${RUNAS_ID:-500}
-    RUNAS=${RUNAS:-"runas -u $RUNAS_ID"}
-
-    # $RUNAS_ID may get set incorrectly somewhere else
-    if [ $RUNAS_ID -eq 0 ]; then
-        echo "Error: \$RUNAS_ID set to 0, but \$UID is also 0!"
-        exit 1
-    fi
-fi
+CLEANUP=${CLEANUP:-""}
+SETUP=${SETUP:-""}
 
-SANITYLOG=${SANITYLOG:-/tmp/sanity-gss.log}
+LUSTRE=${LUSTRE:-`dirname $0`/..}
+. $LUSTRE/tests/test-framework.sh
+init_test_env $@
+. ${CONFIG:=$LUSTRE/tests/cfg/$NAME.sh}
+init_logging
 
-export NAME=${NAME:-local}
+require_dsh_mds || exit 0
 
-SAVE_PWD=$PWD
+[ "$SLOW" = "no" ] && EXCEPT_SLOW="100 101"
 
-#
-# check pre-set $SEC
-#
-if [ ! -z $SEC ]; then
-    if [ "$SEC" != "krb5i" -a "$SEC" != "krb5p" ]; then
-        echo "SEC=$SEC is invalid, this script only run in gss mode (krb5i/krb5p)"
-        exit 1
-    fi
-fi
+# $RUNAS_ID may get set incorrectly somewhere else
+[ $UID -eq 0 -a $RUNAS_ID -eq 0 ] && error "\$RUNAS_ID set to 0, but \$UID is also 0!"
 
-export SEC=${SEC:-krb5p}
-export KRB5_CCACHE_DIR=/tmp
-export KRB5_CRED=$KRB5_CCACHE_DIR/krb5cc_$RUNAS_ID
-export KRB5_CRED_SAVE=$KRB5_CCACHE_DIR/krb5cc.sanity.save
+# remove $SEC, we'd like to control everything by ourselves
+unset SEC
 
-echo "Using security flavor $SEC"
+#
+# global variables of this sanity
+#
+KRB5_CCACHE_DIR=/tmp
+KRB5_CRED=$KRB5_CCACHE_DIR/krb5cc_$RUNAS_ID
+KRB5_CRED_SAVE=$KRB5_CCACHE_DIR/krb5cc.sanity.save
+DBENCH_PID=0
 
-LUSTRE=${LUSTRE:-`dirname $0`/..}
-. $LUSTRE/tests/test-framework.sh
-init_test_env $@
-. ${CONFIG:=$LUSTRE/tests/cfg/local.sh}
+# set manually
+GSS=true
+GSS_KRB5=true
 
 prepare_krb5_creds() {
-    rm -f $CRED_SAVE
+    echo prepare krb5 cred
+    rm -f $KRB5_CRED_SAVE
+    echo RUNAS=$RUNAS
     $RUNAS krb5_login.sh || exit 1
     [ -f $KRB5_CRED ] || exit 2
+    echo CRED=$KRB5_CRED
     cp $KRB5_CRED $KRB5_CRED_SAVE
 }
 
-cleanup() {
-    echo -n "cln.."
-    cleanupall ${FORCE} $* || { echo "FAILed to clean up"; exit 20; }
-}
-CLEANUP=${CLEANUP:-:}
+prepare_krb5_creds
 
-setup() {
-    echo -n "mnt.."
-    load_modules
-    setupall || exit 10
-    echo "done"
-}
-SETUP=${SETUP:-:}
-
-trace() {
-    log "STARTING: $*"
-    strace -o $TMP/$1.strace -ttt $*
-    RC=$?
-    log "FINISHED: $*: rc $RC"
-    return 1
-}
-TRACE=${TRACE:-""}
-
-check_kernel_version() {
-    VERSION_FILE=$LPROC/kernel_version
-    WANT_VER=$1
-    [ ! -f $VERSION_FILE ] && echo "can't find kernel version" && return 1
-    GOT_VER=`cat $VERSION_FILE`
-    [ $GOT_VER -ge $WANT_VER ] && return 0
-    log "test needs at least kernel version $WANT_VER, running $GOT_VER"
-    return 1
-}
+# we want double mount
+MOUNT_2=${MOUNT_2:-"yes"}
+check_and_setup_lustre
+
+rm -rf $DIR/[df][0-9]*
+
+check_runas_id $RUNAS_ID $RUNAS_ID $RUNAS
 
-_basetest() {
-    echo $*
+build_test_filter
+
+start_dbench()
+{
+    NPROC=`cat /proc/cpuinfo 2>/dev/null | grep ^processor | wc -l`
+    [ $NPROC -gt 2 ] && NPROC=2
+    sh rundbench $NPROC 1>/dev/null &
+    DBENCH_PID=$!
+    sleep 2
+
+    num=`ps --no-headers -p $DBENCH_PID 2>/dev/null | wc -l`
+    if [ $num -ne 1 ]; then
+        error "failed to start dbench $NPROC"
+    else
+        echo "started dbench with $NPROC processes at background"
+    fi
+
+    return 0
 }
 
-[ "$SANITYLOG" ] && rm -f $SANITYLOG || true
+check_dbench()
+{
+    num=`ps --no-headers -p $DBENCH_PID 2>/dev/null | wc -l`
+    if [ $num -eq 0 ]; then
+        echo "dbench $DBENCH_PID already finished"
+        wait $DBENCH_PID || error "dbench $PID exit with error"
+        start_dbench
+    elif [ $num -ne 1 ]; then
+        killall -9 dbench
+        error "found $num instance of pid $DBENCH_PID ???"
+    fi
 
+    return 0
+}
 
-prepare_krb5_creds
-build_test_filter
-umask 077
+stop_dbench()
+{
+    for ((;;)); do
+        killall dbench 2>/dev/null
+        num=`ps --no-headers -p $DBENCH_PID | wc -l`
+        if [ $num -eq 0 ]; then
+            echo "dbench finished"
+            break
+        fi
+        echo "dbench $DBENCH_PID is still running, waiting 2s..."
+        sleep 2
+    done
 
-# setup filesystem
-formatall
-setupall
-chmod a+rwx $MOUNT
+    wait $DBENCH_PID || true
+    sync || true
+}
 
 restore_krb5_cred() {
     cp $KRB5_CRED_SAVE $KRB5_CRED
@@ -145,37 +135,103 @@ restore_krb5_cred() {
     chmod 0600 $KRB5_CRED
 }
 
+check_multiple_gss_daemons() {
+    local facet=$1
+    local gssd=$2
+    local gssd_name=`basename $gssd`
+
+    for ((i=0;i<10;i++)); do
+        do_facet $facet "$gssd -v &"
+    done
+
+    # wait daemons entering "stable" status
+    sleep 5
+
+    num=`do_facet $facet ps -o cmd -C $gssd_name | grep $gssd_name | wc -l`
+    echo "$num instance(s) of $gssd_name are running"
+
+    if [ $num -ne 1 ]; then
+        error "$gssd_name not unique"
+    fi
+}
+
+calc_connection_cnt
+umask 077
+
+test_0() {
+    local my_facet=mds
+
+    echo "bring up gss daemons..."
+    start_gss_daemons
+
+    echo "check with someone already running..."
+    check_multiple_gss_daemons $my_facet $LSVCGSSD
+    if $GSS_PIPEFS; then
+        check_multiple_gss_daemons $my_facet $LGSSD
+    fi
+
+    echo "check with someone run & finished..."
+    do_facet $my_facet killall -q -2 lgssd lsvcgssd || true
+    sleep 5 # wait fully exit
+    check_multiple_gss_daemons $my_facet $LSVCGSSD
+    if $GSS_PIPEFS; then
+        check_multiple_gss_daemons $my_facet $LGSSD
+    fi
+
+    echo "check refresh..."
+    do_facet $my_facet killall -q -2 lgssd lsvcgssd || true
+    sleep 5 # wait fully exit
+    do_facet $my_facet ipcrm -S 0x3b92d473
+    check_multiple_gss_daemons $my_facet $LSVCGSSD
+    if $GSS_PIPEFS; then
+        do_facet $my_facet ipcrm -S 0x3a92d473
+        check_multiple_gss_daemons $my_facet $LGSSD
+    fi
+}
+run_test 0 "start multiple gss daemons"
+
+set_flavor_all krb5p
+
 test_1() {
+    local file=$DIR/$tfile
+
+    chmod 0777 $DIR || error "chmod $DIR failed"
+    $RUNAS touch $DIR
     # access w/o cred
     $RUNAS kdestroy
-    $RUNAS touch $MOUNT/f1 && error "unexpected success"
+    $RUNAS $LFS flushctx $MOUNT || error "can't flush context on $MOUNT"
+    $RUNAS touch $file && error "unexpected success"
 
     # access w/ cred
     restore_krb5_cred
-    $RUNAS touch $MOUNT/f1 || error "should not fail"
-    [ -f $MOUNT/f1 ] || error "$MOUNT/f1 not found"
+    $RUNAS touch $file || error "should not fail"
+    [ -f $file ] || error "$file not found"
 }
 run_test 1 "access with or without krb5 credential"
 
 test_2() {
+    local file1=$DIR/$tfile-1
+    local file2=$DIR/$tfile-2
+
+    chmod 0777 $DIR || error "chmod $DIR failed"
     # current access should be ok
-    $RUNAS touch $MOUNT/f2_1 || error "can't touch $MOUNT/f2_1"
-    [ -f $MOUNT/f2_1 ] || error "$MOUNT/f2_1 not found"
+    $RUNAS touch $file1 || error "can't touch $file1"
+    [ -f $file1 ] || error "$file1 not found"
 
     # cleanup all cred/ctx and touch
     $RUNAS kdestroy
-    $RUNAS $LFS flushctx
-    $RUNAS touch $MOUNT/f2_2 && error "unexpected success"
+    $RUNAS $LFS flushctx $MOUNT || error "can't flush context on $MOUNT"
+    $RUNAS touch $file2 && error "unexpected success"
 
     # restore and touch
     restore_krb5_cred
-    $RUNAS touch $MOUNT/f2_2 || error "should not fail"
-    [ -f $MOUNT/f2_2 ] || error "$MOUNT/f2_2 not found"
+    $RUNAS touch $file2 || error "should not fail"
+    [ -f $file2 ] || error "$file2 not found"
 }
 run_test 2 "lfs flushctx"
 
 test_3() {
-    local file=$MOUNT/f3
+    local file=$DIR/$tfile
 
     # create file
     echo "aaaaaaaaaaaaaaaaa" > $file
@@ -194,7 +250,7 @@ test_3() {
     # metadata check should fail, but file data check should success
     # because we always use root credential to OSTs
     $RUNAS kdestroy
-    $RUNAS $LFS flushctx
+    $RUNAS $LFS flushctx $MOUNT || error "can't flush context on $MOUNT"
     echo "destroied credentials/contexs for $RUNAS_ID"
     $RUNAS $CHECKSTAT -p 0666 $file && error "checkstat succeed"
     kill -s 10 $OPPID
@@ -214,9 +270,12 @@ test_3() {
 run_test 3 "local cache under DLM lock"
 
 test_4() {
-    local file1=$MOUNT/f4_1
-    local file2=$MOUNT/f4_2
+    local file1=$DIR/$tfile-1
+    local file2=$DIR/$tfile-2
+
+    ! $GSS_PIPEFS && skip "pipefs not used" && return
 
+    chmod 0777 $DIR || error "chmod $DIR failed"
     # current access should be ok
     $RUNAS touch $file1 || error "can't touch $file1"
     [ -f $file1 ] || error "$file1 not found"
@@ -227,7 +286,7 @@ test_4() {
     check_gss_daemon_facet client lgssd && error "lgssd still running"
 
     # flush context, and touch
-    $RUNAS $LFS flushctx
+    $RUNAS $LFS flushctx $MOUNT || error "can't flush context on $MOUNT"
     $RUNAS touch $file2 &
     TOUCHPID=$!
     echo "waiting touch pid $TOUCHPID"
@@ -245,21 +304,22 @@ test_4() {
 run_test 4 "lgssd dead, operations should wait timeout and fail"
 
 test_5() {
-    local file1=$MOUNT/f5_1
-    local file2=$MOUNT/f5_2
-    local wait_time=120
+    local file1=$DIR/$tfile-1
+    local file2=$DIR/$tfile-2
+    local wait_time=$((TIMEOUT + TIMEOUT / 2))
 
+    chmod 0777 $DIR || error "chmod $DIR failed"
     # current access should be ok
     $RUNAS touch $file1 || error "can't touch $file1"
     [ -f $file1 ] || error "$file1 not found"
 
     # stop lsvcgssd
-    send_sigint mds lsvcgssd
+    send_sigint $(comma_list $(mdts_nodes)) lsvcgssd
     sleep 5
-    check_gss_daemon_facet mds lsvcgssd && error "lsvcgssd still running"
+    check_gss_daemon_nodes $(comma_list $(mdts_nodes)) lsvcgssd && error "lsvcgssd still running"
 
     # flush context, and touch
-    $RUNAS $LFS flushctx
+    $RUNAS $LFS flushctx $MOUNT || error "can't flush context on $MOUNT"
     $RUNAS touch $file2 &
     TOUCHPID=$!
 
@@ -272,35 +332,29 @@ test_5() {
 
     # restart lsvcgssd, expect touch suceed
     echo "restart lsvcgssd and recovering"
-    do_facet mds "$LSVCGSSD -v"
+    start_gss_daemons $(comma_list $(mdts_nodes)) "$LSVCGSSD -v"
     sleep 5
-    check_gss_daemon_facet mds lsvcgssd
+    check_gss_daemon_nodes $(comma_list $(mdts_nodes)) lsvcgssd
     wait $TOUCHPID || error "touch fail"
     [ -f $file2 ] || error "$file2 not found"
 }
 run_test 5 "lsvcgssd dead, operations lead to recovery"
 
 test_6() {
-    NPROC=`cat /proc/cpuinfo 2>/dev/null | grep ^processor | wc -l`
-    [ $NPROC -ne 0 ] || NPROC=2
-
-    echo "starting dbench $NPROC"
-    sh rundbench $NPROC &
-    RUNPID=$!
+    local nfile=10
 
-    for ((n=0;;n++)); do
-        sleep 2
-        num=`ps --no-headers -p $RUNPID | wc -l`
-        [ $num -ne 0 ] || break
-        echo "flush ctx ..."
-        $LFS flushctx
+    mkdir $DIR/d6 || error "mkdir $DIR/d6 failed"
+    for ((i=0; i<$nfile; i++)); do
+        dd if=/dev/zero of=$DIR/d6/file$i bs=8k count=1 || error "dd file$i failed"
     done
-    wait $RUNPID || error "dbench detect error"
+    ls -l $DIR/d6/* > /dev/null || error "ls failed"
+    rm -rf $DIR2/d6/* || error "rm failed"
+    rmdir $DIR2/d6/ || error "rmdir failed"
 }
-run_test 6 "recoverable from losing context"
+run_test 6 "test basic DLM callback works"
 
 test_7() {
-    local tdir=$MOUNT/dir7
+    local tdir=$DIR/d7
     local num_osts
 
     #
@@ -318,7 +372,7 @@ test_7() {
     [ $num_osts -lt 2 ] && echo "skipping $TESTNAME (must have >= 2 OSTs)" && return
 
     mkdir $tdir || error
-    $LFS setstripe $tdir 0 -1 -1 || error
+    $LFS setstripe -c $num_osts $tdir || error
 
     echo "creating..."
     for ((i=0;i<20;i++)); do
@@ -332,74 +386,413 @@ test_7() {
 }
 run_test 7 "exercise enlarge_reqbuf()"
 
-check_multiple_gss_daemons() {
-    local facet=$1
-    local gssd=$2
-    local gssd_name=`basename $gssd`
-
-    for ((i=0;i<10;i++)); do
-        do_facet $facet "$gssd -v &"
+test_8()
+{
+    local ATHISTORY=$(do_facet $SINGLEMDS "find /sys/ -name at_history")
+    local ATOLDBASE=$(do_facet $SINGLEMDS "cat $ATHISTORY")
+    local REQ_DELAY
+    do_facet $SINGLEMDS "echo 8 >> $ATHISTORY"
+
+    mkdir -p $DIR/d8
+    chmod a+w $DIR/d8
+
+    $LCTL dk > /dev/null
+    debugsave
+    sysctl -w lnet.debug="+other"
+
+    # wait for the at estimation come down, this is faster
+    while [ true ]; do
+        REQ_DELAY=`lctl get_param -n mdc.${FSNAME}-MDT0000-mdc-*.timeouts |
+                   awk '/portal 12/ {print $5}' | tail -1`
+        [ $REQ_DELAY -le 5 ] && break
+        echo "current AT estimation is $REQ_DELAY, wait a little bit"
+        sleep 8
     done
+    REQ_DELAY=$((${REQ_DELAY} + ${REQ_DELAY} / 4 + 5))
 
-    # wait daemons entering "stable" status
-    sleep 5
+    # sleep sometime in ctx handle
+    do_facet $SINGLEMDS lctl set_param fail_val=$REQ_DELAY
+#define OBD_FAIL_SEC_CTX_HDL_PAUSE       0x1204
+    do_facet $SINGLEMDS lctl set_param fail_loc=0x1204
 
-    num=`do_facet $facet ps -o cmd -C $gssd_name | grep $gssd_name | wc -l`
-    echo "$num instance(s) of $gssd_name are running"
+    $RUNAS $LFS flushctx $MOUNT || error "can't flush context on $MOUNT"
 
-    if [ $num -ne 1 ]; then
-        error "$gssd_name not unique"
+    $RUNAS touch $DIR/d8/f &
+    TOUCHPID=$!
+    echo "waiting for touch (pid $TOUCHPID) to finish..."
+    sleep 2 # give it a chance to really trigger context init rpc
+    do_facet $SINGLEMDS $LCTL set_param fail_loc=0
+    wait $TOUCHPID || error "touch should have succeeded"
+
+    $LCTL dk | grep "Early reply #" || error "No early reply"
+
+    debugrestore
+    do_facet $SINGLEMDS "echo $ATOLDBASE >> $ATHISTORY" || true
+}
+run_test 8 "Early reply sent for slow gss context negotiation"
+
+#
+# following tests will manipulate flavors and may end with any flavor set,
+# so each test should not assume any start flavor.
+#
+
+test_90() {
+    if [ "$SLOW" = "no" ]; then
+        total=10
+    else
+        total=60
     fi
+
+    restore_to_default_flavor
+    set_rule $FSNAME any any krb5p
+    wait_flavor all2all krb5p
+
+    start_dbench
+
+    for ((n=0;n<$total;n++)); do
+        sleep 2
+        check_dbench
+        echo "flush ctx ($n/$total) ..."
+        $LFS flushctx $MOUNT || error "can't flush context on $MOUNT"
+    done
+    check_dbench
+    #sleep to let ctxs be re-established
+    sleep 10
+    stop_dbench
 }
+run_test 90 "recoverable from losing contexts under load"
 
-test_100() {
-    local facet=mds
+test_99() {
+    local nrule_old=0
+    local nrule_new=0
+    local max=64
 
-    # cleanup everything at first
-    cleanupall
+    #
+    # general rules
+    #
+    nrule_old=`do_facet mgs lctl get_param -n mgs.MGS.live.$FSNAME 2>/dev/null \
+               | grep "$FSNAME.srpc.flavor." | wc -l`
+    echo "original general rules: $nrule_old"
 
-    echo "bring up gss daemons..."
-    start_gss_daemons
+    for ((i = $nrule_old; i < $max; i++)); do
+        set_rule $FSNAME elan$i any krb5n || error "set rule $i"
+    done
+    for ((i = $nrule_old; i < $max; i++)); do
+        set_rule $FSNAME elan$i any || error "remove rule $i"
+    done
 
-    echo "check with someone already running..."
-    check_multiple_gss_daemons $facet $LSVCGSSD
-    if [ "x$GSS_PIPEFS" == "xy" ]; then
-        check_multiple_gss_daemons $facet $LGSSD
+    nrule_new=`do_facet mgs lctl get_param -n mgs.MGS.live.$FSNAME 2>/dev/null \
+               | grep "$FSNAME.srpc.flavor." | wc -l`
+    if [ $nrule_new != $nrule_old ]; then
+        error "general rule: $nrule_new != $nrule_old"
     fi
 
-    echo "check with someone run & finished..."
-    do_facet $facet killall -q -2 lgssd lsvcgssd || true
-    sleep 5 # wait fully exit
-    check_multiple_gss_daemons $facet $LSVCGSSD
-    if [ "x$GSS_PIPEFS" == "xy" ]; then
-        check_multiple_gss_daemons $facet $LGSSD
-    fi
+    #
+    # target-specific rules
+    #
+    nrule_old=`do_facet mgs lctl get_param -n mgs.MGS.live.$FSNAME 2>/dev/null \
+               | grep "$FSNAME-MDT0000.srpc.flavor." | wc -l`
+    echo "original target rules: $nrule_old"
 
-    echo "check refresh..."
-    do_facet $facet killall -q -2 lgssd lsvcgssd || true
-    sleep 5 # wait fully exit
-    do_facet $facet ipcrm -S 0x3b92d473
-    check_multiple_gss_daemons $facet $LSVCGSSD
-    if [ "x$GSS_PIPEFS" == "xy" ]; then
-        do_facet $facet ipcrm -S 0x3a92d473
-        check_multiple_gss_daemons $facet $LGSSD
+    for ((i = $nrule_old; i < $max; i++)); do
+        set_rule $FSNAME-MDT0000 elan$i any krb5i || error "set rule $i"
+    done
+    for ((i = $nrule_old; i < $max; i++)); do
+        set_rule $FSNAME-MDT0000 elan$i any || error "remove rule $i"
+    done
+
+    nrule_new=`do_facet mgs lctl get_param -n mgs.MGS.live.$FSNAME 2>/dev/null \
+               | grep "$FSNAME-MDT0000.srpc.flavor." | wc -l`
+    if [ $nrule_new != $nrule_old ]; then
+        error "general rule: $nrule_new != $nrule_old"
     fi
+}
+run_test 99 "set large number of sptlrpc rules"
+
+error_dbench()
+{
+    local err_str=$1
+
+    killall -9 dbench
+    sleep 1
 
-    stop_gss_daemons
+    error $err_str
 }
-run_test 100 "start multiple gss daemons"
 
-TMPDIR=$OLDTMPDIR
-TMP=$OLDTMP
-HOME=$OLDHOME
+test_100() {
+    # started from default flavors
+    restore_to_default_flavor
+
+    # running dbench background
+    start_dbench
 
-log "cleanup: ======================================================"
-if [ "`mount | grep ^$NAME`" ]; then
-    rm -rf $DIR/[Rdfs][1-9]*
-fi
+    #
+    # all: null -> krb5n -> krb5a -> krb5i -> krb5p -> plain
+    #
+    set_rule $FSNAME any any krb5n
+    wait_flavor all2all krb5n || error_dbench "1"
+    check_dbench
+
+    set_rule $FSNAME any any krb5a
+    wait_flavor all2all krb5a || error_dbench "2"
+    check_dbench
 
-cleanupall -f || error "cleanup failed"
+    set_rule $FSNAME any any krb5i
+    wait_flavor all2all krb5i || error_dbench "3"
+    check_dbench
 
+    set_rule $FSNAME any any krb5p
+    wait_flavor all2all krb5p || error_dbench "4"
+    check_dbench
+
+    set_rule $FSNAME any any plain
+    wait_flavor all2all plain || error_dbench "5"
+    check_dbench
+
+    #
+    # M - M: krb5a
+    # C - M: krb5i
+    # M - O: krb5p
+    # C - O: krb5n
+    #
+    set_rule $FSNAME any mdt2mdt krb5a
+    wait_flavor mdt2mdt krb5a || error_dbench "6"
+    check_dbench
+
+    set_rule $FSNAME any cli2mdt krb5i
+    wait_flavor cli2mdt krb5i || error_dbench "7"
+    check_dbench
+
+    set_rule $FSNAME any mdt2ost krb5p
+    wait_flavor mdt2ost krb5p || error_dbench "8"
+    check_dbench
+
+    set_rule $FSNAME any cli2ost krb5n
+    wait_flavor cli2ost krb5n || error_dbench "9"
+    check_dbench
+
+    #
+    # * - MDT0: krb5p
+    # * - OST0: krb5i
+    #
+    # nothing should be changed because they are override by above dir rules
+    #
+    set_rule $FSNAME-MDT0000 any any krb5p
+    set_rule $FSNAME-OST0000 any any krb5i
+    wait_flavor mdt2mdt krb5a || error_dbench "10"
+    wait_flavor cli2mdt krb5i || error_dbench "11"
+    check_dbench
+    wait_flavor mdt2ost krb5p || error_dbench "12"
+    wait_flavor cli2ost krb5n || error_dbench "13"
+
+    #
+    # delete all dir-specific rules
+    #
+    set_rule $FSNAME any mdt2mdt
+    set_rule $FSNAME any cli2mdt
+    set_rule $FSNAME any mdt2ost
+    set_rule $FSNAME any cli2ost
+    wait_flavor mdt2mdt krb5p $((MDSCOUNT - 1)) || error_dbench "14"
+    wait_flavor cli2mdt krb5p $(get_clients_mount_count) || error_dbench "15"
+    check_dbench
+    wait_flavor mdt2ost krb5i $MDSCOUNT || error_dbench "16"
+    wait_flavor cli2ost krb5i $(get_clients_mount_count) || error_dbench "17"
+    check_dbench
+
+    #
+    # remove:
+    #  * - MDT0: krb5p
+    #  * - OST0: krb5i
+    #
+    set_rule $FSNAME-MDT0000 any any
+    set_rule $FSNAME-OST0000 any any || error_dbench "18"
+    wait_flavor all2all plain || error_dbench "19"
+    check_dbench
+
+    stop_dbench
+}
+run_test 100 "change security flavor on the fly under load"
+
+switch_sec_test()
+{
+    local flavor0=$1
+    local flavor1=$2
+    local filename=$DIR/$tfile
+    local multiop_pid
+    local num
+
+    #
+    # after set to flavor0, start multop which use flavor0 rpc, and let
+    # server drop the reply; then switch to flavor1, the resend should be
+    # completed using flavor1. To exercise the code of switching ctx/sec
+    # for a resend request.
+    #
+    log ">>>>>>>>>>>>>>> Testing $flavor0 -> $flavor1 <<<<<<<<<<<<<<<<<<<"
+
+    set_rule $FSNAME any cli2mdt $flavor0
+    wait_flavor cli2mdt $flavor0
+    rm -f $filename || error "remove old $filename failed"
+
+#MDS_REINT = 36
+#define OBD_FAIL_PTLRPC_DROP_REQ_OPC     0x513
+    do_facet $SINGLEMDS lctl set_param fail_val=36
+    do_facet $SINGLEMDS lctl set_param fail_loc=0x513
+    log "starting multiop"
+    multiop $filename m &
+    multiop_pid=$!
+    echo "multiop pid=$multiop_pid"
+    sleep 1
+
+    set_rule $FSNAME any cli2mdt $flavor1
+    wait_flavor cli2mdt $flavor1
+
+    num=`ps --no-headers -p $multiop_pid 2>/dev/null | wc -l`
+    [ $num -eq 1 ] || error "multiop($multiop_pid) already ended ($num)"
+    echo "process $multiop_pid is still hanging there... OK"
+
+    do_facet $SINGLEMDS lctl set_param fail_loc=0
+    log "waiting for multiop ($multiop_pid) to finish"
+    wait $multiop_pid || error "multiop returned error"
+}
+
+test_101()
+{
+    # started from default flavors
+    restore_to_default_flavor
+
+    switch_sec_test null  plain
+    switch_sec_test plain krb5n
+    switch_sec_test krb5n krb5a
+    switch_sec_test krb5a krb5i
+    switch_sec_test krb5i krb5p
+    switch_sec_test krb5p null
+    switch_sec_test null  krb5p
+    switch_sec_test krb5p krb5i
+    switch_sec_test krb5i plain
+    switch_sec_test plain krb5p
+}
+run_test 101 "switch ctx/sec for resending request"
+
+error_102()
+{
+    local err_str=$1
+
+    killall -9 dbench
+    sleep 1
+
+    error $err_str
+}
+
+test_102() {
+    # started from default flavors
+    restore_to_default_flavor
+
+    # run dbench background
+    start_dbench
+
+    echo "Testing null->krb5n->krb5a->krb5i->krb5p->plain->null"
+    set_rule $FSNAME any any krb5n
+    set_rule $FSNAME any any krb5a
+    set_rule $FSNAME any any krb5i
+    set_rule $FSNAME any any krb5p
+    set_rule $FSNAME any any plain
+    set_rule $FSNAME any any null
+
+    check_dbench
+    wait_flavor all2all null || error_dbench "1"
+    check_dbench
+
+    echo "waiting for 15s and check again"
+    sleep 15
+    check_dbench
+
+    echo "Testing null->krb5i->null->krb5i->null..."
+    for ((i=0; i<10; i++)); do
+        set_rule $FSNAME any any krb5i
+        set_rule $FSNAME any any null
+    done
+    set_rule $FSNAME any any krb5i
+
+    check_dbench
+    wait_flavor all2all krb5i || error_dbench "2"
+    check_dbench
+
+    echo "waiting for 15s and check again"
+    sleep 15
+    check_dbench
+
+    stop_dbench
+}
+run_test 102 "survive from insanely fast flavor switch"
+
+test_150() {
+    local save_opts
+    local count
+    local clients=$CLIENTS
+
+    [ -z $clients ] && clients=$HOSTNAME
+
+    # started from default flavors
+    restore_to_default_flavor
+
+    # at this time no rules has been set on mgs; mgc use null
+    # flavor connect to mgs.
+    count=`flvr_cnt_mgc2mgs null`
+    [ $count -eq 1 ] || error "$count mgc connection use null flavor"
+
+    zconf_umount_clients $clients $MOUNT || return 1
+
+    # mount client with conflict flavor - should fail
+    save_opts=$MOUNTOPT
+    MOUNTOPT="$MOUNTOPT,mgssec=krb5p"
+    zconf_mount_clients $clients $MOUNT && \
+        error "mount with conflict flavor should have failed"
+    MOUNTOPT=$save_opts
+
+    # mount client with same flavor - should succeed
+    save_opts=$MOUNTOPT
+    MOUNTOPT="$MOUNTOPT,mgssec=null"
+    zconf_mount_clients $clients $MOUNT || \
+        error "mount with same flavor should have succeeded"
+    MOUNTOPT=$save_opts
+    zconf_umount_clients $clients $MOUNT || return 2
+
+    # mount client with default flavor - should succeed
+    zconf_mount_clients $clients $MOUNT || \
+        error "mount with default flavor should have succeeded"
+}
+run_test 150 "secure mgs connection: client flavor setting"
+
+test_151() {
+    local save_opts
+
+    # set mgs only accept krb5p
+    set_rule _mgs any any krb5p
+
+    # umount everything, modules still loaded
+    stopall
+
+    # mount mgs with default flavor, in current framework it means mgs+mdt1.
+    # the connection of mgc of mdt1 to mgs is expected fail.
+    DEVNAME=$(mdsdevname 1)
+    start mds1 $DEVNAME $MDS_MOUNT_OPTS && error "mount with default flavor should have failed"
+
+    # mount with unauthorized flavor should fail
+    save_opts=$MDS_MOUNT_OPTS
+    MDS_MOUNT_OPTS="$MDS_MOUNT_OPTS,mgssec=null"
+    start mds1 $DEVNAME $MDS_MOUNT_OPTS && error "mount with unauthorized flavor should have failed"
+    MDS_MOUNT_OPTS=$save_opts
+
+    # mount with designated flavor should succeed
+    save_opts=$MDS_MOUNT_OPTS
+    MDS_MOUNT_OPTS="$MDS_MOUNT_OPTS,mgssec=krb5p"
+    start mds1 $DEVNAME $MDS_MOUNT_OPTS || error "mount with designated flavor should have succeeded"
+    MDS_MOUNT_OPTS=$save_opts
+
+    stop mds1 -f
+}
+run_test 151 "secure mgs connection: server flavor control"
 
-echo '=========================== finished ==============================='
-[ -f "$SANITYLOG" ] && cat $SANITYLOG && exit 1 || true
+complete $(basename $0) $SECONDS
+check_and_cleanup_lustre
+exit_status