ctdb/tests/scripts/integration.bash

   1 # Hey Emacs, this is a -*- shell-script -*- !!!  :-)
   2
   3 . "${TEST_SCRIPTS_DIR}/common.sh"
   4
   5 ######################################################################
   6
   7 export CTDB_TIMEOUT=60
   8
   9 if [ -n "$CTDB_TEST_REMOTE_DIR" ] ; then
  10     CTDB_TEST_WRAPPER="${CTDB_TEST_REMOTE_DIR}/test_wrap"
  11 else
  12     _d=$(cd ${TEST_SCRIPTS_DIR}; echo $PWD)
  13     CTDB_TEST_WRAPPER="$_d/test_wrap"
  14 fi
  15 export CTDB_TEST_WRAPPER
  16
  17 # If $VALGRIND is set then use it whenever ctdb is called, but only if
  18 # $CTDB is not already set.
  19 [ -n "$CTDB" ] || export CTDB="${VALGRIND}${VALGRIND:+ }ctdb"
  20
  21 # why???
  22 PATH="${TEST_SCRIPTS_DIR}:${PATH}"
  23
  24 ######################################################################
  25
  26 ctdb_test_exit ()
  27 {
  28     local status=$?
  29
  30     trap - 0
  31
  32     [ $(($testfailures+0)) -eq 0 -a $status -ne 0 ] && testfailures=$status
  33     status=$(($testfailures+0))
  34
  35     # Avoid making a test fail from this point onwards.  The test is
  36     # now complete.
  37     set +e
  38
  39     echo "*** TEST COMPLETED (RC=$status) AT $(date '+%F %T'), CLEANING UP..."
  40
  41     eval "$ctdb_test_exit_hook" || true
  42     unset ctdb_test_exit_hook
  43
  44     if $ctdb_test_restart_scheduled || ! cluster_is_healthy ; then
  45
  46         restart_ctdb
  47     else
  48         # This could be made unconditional but then we might get
  49         # duplication from the recovery in restart_ctdb.  We want to
  50         # leave the recovery in restart_ctdb so that future tests that
  51         # might do a manual restart mid-test will benefit.
  52         echo "Forcing a recovery..."
  53         onnode 0 $CTDB recover
  54     fi
  55
  56     exit $status
  57 }
  58
  59 ctdb_test_exit_hook_add ()
  60 {
  61     ctdb_test_exit_hook="${ctdb_test_exit_hook}${ctdb_test_exit_hook:+ ; }$*"
  62 }
  63
  64 ctdb_test_init ()
  65 {
  66     scriptname=$(basename "$0")
  67     testfailures=0
  68     ctdb_test_restart_scheduled=false
  69
  70     trap "ctdb_test_exit" 0
  71 }
  72
  73 ########################################
  74
  75 # Sets: $out
  76 try_command_on_node ()
  77 {
  78     local nodespec="$1" ; shift
  79
  80     local verbose=false
  81     local onnode_opts=""
  82
  83     while [ "${nodespec#-}" != "$nodespec" ] ; do
  84         if [ "$nodespec" = "-v" ] ; then
  85             verbose=true
  86         else
  87             onnode_opts="${onnode_opts}${onnode_opts:+ }${nodespec}"
  88         fi
  89         nodespec="$1" ; shift
  90     done
  91
  92     local cmd="$*"
  93
  94     out=$(onnode -q $onnode_opts "$nodespec" "$cmd" 2>&1) || {
  95
  96         echo "Failed to execute \"$cmd\" on node(s) \"$nodespec\""
  97         echo "$out"
  98         return 1
  99     }
 100
 101     if $verbose ; then
 102         echo "Output of \"$cmd\":"
 103         echo "$out"
 104     fi
 105 }
 106
 107 sanity_check_output ()
 108 {
 109     local min_lines="$1"
 110     local regexp="$2" # Should be anchored as necessary.
 111     local output="$3"
 112
 113     local ret=0
 114
 115     local num_lines=$(echo "$output" | wc -l)
 116     echo "There are $num_lines lines of output"
 117     if [ $num_lines -lt $min_lines ] ; then
 118         echo "BAD: that's less than the required number (${min_lines})"
 119         ret=1
 120     fi
 121
 122     local status=0
 123     local unexpected # local doesn't pass through status of command on RHS.
 124     unexpected=$(echo "$output" | egrep -v "$regexp") || status=$?
 125
 126     # Note that this is reversed.
 127     if [ $status -eq 0 ] ; then
 128         echo "BAD: unexpected lines in output:"
 129         echo "$unexpected" | cat -A
 130         ret=1
 131     else
 132         echo "Output lines look OK"
 133     fi
 134
 135     return $ret
 136 }
 137
 138 sanity_check_ips ()
 139 {
 140     local ips="$1" # list of "ip node" lines
 141
 142     echo "Sanity checking IPs..."
 143
 144     local x ipp prev
 145     prev=""
 146     while read x ipp ; do
 147         [ "$ipp" = "-1" ] && break
 148         if [ -n "$prev" -a "$ipp" != "$prev" ] ; then
 149             echo "OK"
 150             return 0
 151         fi
 152         prev="$ipp"
 153     done <<<"$ips"
 154
 155     echo "BAD: a node was -1 or IPs are only assigned to one node:"
 156     echo "$ips"
 157     echo "Are you running an old version of CTDB?"
 158     return 1
 159 }
 160
 161 # This returns a list of "ip node" lines in $out
 162 all_ips_on_node()
 163 {
 164     local node="$1"
 165     try_command_on_node $node \
 166         "$CTDB ip -X | awk -F'|' 'NR > 1 { print \$2, \$3 }'"
 167 }
 168
 169 _select_test_node_and_ips ()
 170 {
 171     try_command_on_node any \
 172         "$CTDB ip -X -n all | awk -F'|' 'NR > 1 { print \$2, \$3 }'"
 173
 174     test_node=""  # this matches no PNN
 175     test_node_ips=""
 176     local ip pnn
 177     while read ip pnn ; do
 178         if [ -z "$test_node" -a "$pnn" != "-1" ] ; then
 179             test_node="$pnn"
 180         fi
 181         if [ "$pnn" = "$test_node" ] ; then
 182             test_node_ips="${test_node_ips}${test_node_ips:+ }${ip}"
 183         fi
 184     done <<<"$out" # bashism to avoid problem setting variable in pipeline.
 185
 186     echo "Selected node ${test_node} with IPs: ${test_node_ips}."
 187     test_ip="${test_node_ips%% *}"
 188
 189     case "$test_ip" in
 190         *:*) test_prefix="${test_ip}/128" ;;
 191         *)   test_prefix="${test_ip}/32"  ;;
 192     esac
 193
 194     [ -n "$test_node" ] || return 1
 195 }
 196
 197 select_test_node_and_ips ()
 198 {
 199     local timeout=10
 200     while ! _select_test_node_and_ips ; do
 201         echo "Unable to find a test node with IPs assigned"
 202         if [ $timeout -le 0 ] ; then
 203             echo "BAD: Too many attempts"
 204             return 1
 205         fi
 206         sleep_for 1
 207         timeout=$(($timeout - 1))
 208     done
 209
 210     return 0
 211 }
 212
 213 # Sets: mask, iface
 214 get_test_ip_mask_and_iface ()
 215 {
 216     # Find the interface
 217     try_command_on_node $test_node "$CTDB ip -v -X | awk -F'|' -v ip=$test_ip '\$2 == ip { print \$4 }'"
 218     iface="$out"
 219
 220     if [ -z "$TEST_LOCAL_DAEMONS" ] ; then
 221         # Find the netmask
 222         try_command_on_node $test_node ip addr show to $test_ip
 223         mask="${out##*/}"
 224         mask="${mask%% *}"
 225     else
 226         mask="24"
 227     fi
 228
 229     echo "$test_ip/$mask is on $iface"
 230 }
 231
 232 #######################################
 233
 234 # Wait until either timeout expires or command succeeds.  The command
 235 # will be tried once per second, unless timeout has format T/I, where
 236 # I is the recheck interval.
 237 wait_until ()
 238 {
 239     local timeout="$1" ; shift # "$@" is the command...
 240
 241     local interval=1
 242     case "$timeout" in
 243         */*)
 244             interval="${timeout#*/}"
 245             timeout="${timeout%/*}"
 246     esac
 247
 248     local negate=false
 249     if [ "$1" = "!" ] ; then
 250         negate=true
 251         shift
 252     fi
 253
 254     echo -n "<${timeout}|"
 255     local t=$timeout
 256     while [ $t -gt 0 ] ; do
 257         local rc=0
 258         "$@" || rc=$?
 259         if { ! $negate && [ $rc -eq 0 ] ; } || \
 260             { $negate && [ $rc -ne 0 ] ; } ; then
 261             echo "|$(($timeout - $t))|"
 262             echo "OK"
 263             return 0
 264         fi
 265         local i
 266         for i in $(seq 1 $interval) ; do
 267             echo -n .
 268         done
 269         t=$(($t - $interval))
 270         sleep $interval
 271     done
 272
 273     echo "*TIMEOUT*"
 274
 275     return 1
 276 }
 277
 278 sleep_for ()
 279 {
 280     echo -n "=${1}|"
 281     for i in $(seq 1 $1) ; do
 282         echo -n '.'
 283         sleep 1
 284     done
 285     echo '|'
 286 }
 287
 288 _cluster_is_healthy ()
 289 {
 290     $CTDB nodestatus all >/dev/null
 291 }
 292
 293 _cluster_is_recovered ()
 294 {
 295     node_has_status all recovered
 296 }
 297
 298 _cluster_is_ready ()
 299 {
 300     _cluster_is_healthy && _cluster_is_recovered
 301 }
 302
 303 cluster_is_healthy ()
 304 {
 305     if onnode 0 $CTDB_TEST_WRAPPER _cluster_is_healthy ; then
 306         echo "Cluster is HEALTHY"
 307         if ! onnode 0 $CTDB_TEST_WRAPPER _cluster_is_recovered ; then
 308           echo "WARNING: cluster in recovery mode!"
 309         fi
 310         return 0
 311     else
 312         echo "Cluster is UNHEALTHY"
 313         if ! ${ctdb_test_restart_scheduled:-false} ; then
 314             echo "DEBUG AT $(date '+%F %T'):"
 315             local i
 316             for i in "onnode -q 0 $CTDB status" "onnode -q 0 onnode all $CTDB scriptstatus" ; do
 317                 echo "$i"
 318                 $i || true
 319             done
 320         fi
 321         return 1
 322     fi
 323 }
 324
 325 wait_until_ready ()
 326 {
 327     local timeout="${1:-120}"
 328
 329     echo "Waiting for cluster to become ready..."
 330
 331     wait_until $timeout onnode -q any $CTDB_TEST_WRAPPER _cluster_is_ready
 332 }
 333
 334 # This function is becoming nicely overloaded.  Soon it will collapse!  :-)
 335 node_has_status ()
 336 {
 337     local pnn="$1"
 338     local status="$2"
 339
 340     local bits fpat mpat rpat
 341     case "$status" in
 342         (unhealthy)    bits="?|?|?|1|*" ;;
 343         (healthy)      bits="?|?|?|0|*" ;;
 344         (disconnected) bits="1|*" ;;
 345         (connected)    bits="0|*" ;;
 346         (banned)       bits="?|1|*" ;;
 347         (unbanned)     bits="?|0|*" ;;
 348         (disabled)     bits="?|?|1|*" ;;
 349         (enabled)      bits="?|?|0|*" ;;
 350         (stopped)      bits="?|?|?|?|1|*" ;;
 351         (notstopped)   bits="?|?|?|?|0|*" ;;
 352         (frozen)       fpat='^[[:space:]]+frozen[[:space:]]+1$' ;;
 353         (unfrozen)     fpat='^[[:space:]]+frozen[[:space:]]+0$' ;;
 354         (monon)        mpat='^Monitoring mode:ACTIVE \(0\)$' ;;
 355         (monoff)       mpat='^Monitoring mode:DISABLED \(1\)$' ;;
 356         (recovered)    rpat='^Recovery mode:RECOVERY \(1\)$' ;;
 357         *)
 358             echo "node_has_status: unknown status \"$status\""
 359             return 1
 360     esac
 361
 362     if [ -n "$bits" ] ; then
 363         local out x line
 364
 365         out=$($CTDB -X status 2>&1) || return 1
 366
 367         {
 368             read x
 369             while read line ; do
 370                 # This needs to be done in 2 steps to avoid false matches.
 371                 local line_bits="${line#|${pnn}|*|}"
 372                 [ "$line_bits" = "$line" ] && continue
 373                 [ "${line_bits#${bits}}" != "$line_bits" ] && return 0
 374             done
 375             return 1
 376         } <<<"$out" # Yay bash!
 377     elif [ -n "$fpat" ] ; then
 378         $CTDB statistics -n "$pnn" | egrep -q "$fpat"
 379     elif [ -n "$mpat" ] ; then
 380         $CTDB getmonmode -n "$pnn" | egrep -q "$mpat"
 381     elif [ -n "$rpat" ] ; then
 382         ! $CTDB status -n "$pnn" | egrep -q "$rpat"
 383     else
 384         echo 'node_has_status: unknown mode, neither $bits nor $fpat is set'
 385         return 1
 386     fi
 387 }
 388
 389 wait_until_node_has_status ()
 390 {
 391     local pnn="$1"
 392     local status="$2"
 393     local timeout="${3:-30}"
 394     local proxy_pnn="${4:-any}"
 395
 396     echo "Waiting until node $pnn has status \"$status\"..."
 397
 398     if ! wait_until $timeout onnode $proxy_pnn $CTDB_TEST_WRAPPER node_has_status "$pnn" "$status" ; then
 399         for i in "onnode -q any $CTDB status" "onnode -q any onnode all $CTDB scriptstatus" ; do
 400             echo "$i"
 401             $i || true
 402         done
 403
 404         return 1
 405     fi
 406
 407 }
 408
 409 # Useful for superficially testing IP failover.
 410 # IPs must be on the given node.
 411 # If the first argument is '!' then the IPs must not be on the given node.
 412 ips_are_on_node ()
 413 {
 414     local negating=false
 415     if [ "$1" = "!" ] ; then
 416         negating=true ; shift
 417     fi
 418     local node="$1" ; shift
 419     local ips="$*"
 420
 421     local out
 422
 423     all_ips_on_node $node
 424
 425     local check
 426     for check in $ips ; do
 427         local ip pnn
 428         while read ip pnn ; do
 429             if [ "$check" = "$ip" ] ; then
 430                 if [ "$pnn" = "$node" ] ; then
 431                     if $negating ; then return 1 ; fi
 432                 else
 433                     if ! $negating ; then return 1 ; fi
 434                 fi
 435                 ips="${ips/${ip}}" # Remove from list
 436                 break
 437             fi
 438             # If we're negating and we didn't see the address then it
 439             # isn't hosted by anyone!
 440             if $negating ; then
 441                 ips="${ips/${check}}"
 442             fi
 443         done <<<"$out" # bashism to avoid problem setting variable in pipeline.
 444     done
 445
 446     ips="${ips// }" # Remove any spaces.
 447     [ -z "$ips" ]
 448 }
 449
 450 wait_until_ips_are_on_node ()
 451 {
 452     # Go to some trouble to print a use description of what is happening
 453     local not=""
 454     if [ "$1" == "!" ] ; then
 455         not="no longer "
 456     fi
 457     local node=""
 458     local ips=""
 459     local i
 460     for i ; do
 461         [ "$i" != "!" ] || continue
 462         if [ -z "$node" ] ; then
 463             node="$i"
 464             continue
 465         fi
 466         ips="${ips}${ips:+, }${i}"
 467     done
 468     echo "Waiting for ${ips} to ${not}be assigned to node ${node}"
 469
 470     wait_until 60 ips_are_on_node "$@"
 471 }
 472
 473 node_has_some_ips ()
 474 {
 475     local node="$1"
 476
 477     local out
 478
 479     all_ips_on_node $node
 480
 481     while read ip pnn ; do
 482         if [ "$node" = "$pnn" ] ; then
 483             return 0
 484         fi
 485     done <<<"$out" # bashism to avoid problem setting variable in pipeline.
 486
 487     return 1
 488 }
 489
 490 wait_until_node_has_some_ips ()
 491 {
 492     echo "Waiting for some IPs to be assigned to node ${test_node}"
 493
 494     wait_until 60 node_has_some_ips "$@"
 495 }
 496
 497 #######################################
 498
 499 _ctdb_hack_options ()
 500 {
 501     local ctdb_options="$*"
 502
 503     case "$ctdb_options" in
 504         *--start-as-stopped*)
 505             export CTDB_START_AS_STOPPED="yes"
 506     esac
 507 }
 508
 509 restart_ctdb_1 ()
 510 {
 511     _ctdb_hack_options "$@"
 512
 513     if [ -e /etc/redhat-release ] ; then
 514         service ctdb restart
 515     else
 516         /etc/init.d/ctdb restart
 517     fi
 518 }
 519
 520 # Restart CTDB on all nodes.  Override for local daemons.
 521 _restart_ctdb_all ()
 522 {
 523     onnode -p all $CTDB_TEST_WRAPPER restart_ctdb_1 "$@"
 524 }
 525
 526 # Nothing needed for a cluster.  Override for local daemons.
 527 setup_ctdb ()
 528 {
 529     :
 530 }
 531
 532 restart_ctdb ()
 533 {
 534     # "$@" is passed to restart_ctdb_all.
 535
 536     echo -n "Restarting CTDB"
 537     if $ctdb_test_restart_scheduled ; then
 538         echo -n " (scheduled)"
 539     fi
 540     echo "..."
 541
 542     local i
 543     for i in $(seq 1 5) ; do
 544         _restart_ctdb_all "$@" || {
 545             echo "Restart failed.  Trying again in a few seconds..."
 546             sleep_for 5
 547             continue
 548         }
 549
 550         wait_until_ready || {
 551             echo "Cluster didn't become ready.  Restarting..."
 552             continue
 553         }
 554
 555         echo "Setting RerecoveryTimeout to 1"
 556         onnode -pq all "$CTDB setvar RerecoveryTimeout 1"
 557
 558         # In recent versions of CTDB, forcing a recovery like this
 559         # blocks until the recovery is complete.  Hopefully this will
 560         # help the cluster to stabilise before a subsequent test.
 561         echo "Forcing a recovery..."
 562         onnode -q 0 $CTDB recover
 563         sleep_for 2
 564
 565         if ! onnode -q any $CTDB_TEST_WRAPPER _cluster_is_recovered ; then
 566             echo "Cluster has gone into recovery again, waiting..."
 567             wait_until 30/2 onnode -q any $CTDB_TEST_WRAPPER _cluster_is_recovered
 568         fi
 569
 570
 571         # Cluster is still healthy.  Good, we're done!
 572         if ! onnode 0 $CTDB_TEST_WRAPPER _cluster_is_healthy ; then
 573             echo "Cluster became UNHEALTHY again [$(date)]"
 574             onnode -p all ctdb status -X 2>&1
 575             onnode -p all ctdb scriptstatus 2>&1
 576             echo "Restarting..."
 577             continue
 578         fi
 579
 580         echo "Doing a sync..."
 581         onnode -q 0 $CTDB sync
 582
 583         echo "ctdb is ready"
 584         return 0
 585     done
 586
 587     echo "Cluster UNHEALTHY...  too many attempts..."
 588     onnode -p all ctdb status -X 2>&1
 589     onnode -p all ctdb scriptstatus 2>&1
 590
 591     # Try to make the calling test fail
 592     status=1
 593     return 1
 594 }
 595
 596 # Does nothing on cluster and should be overridden for local daemons
 597 maybe_stop_ctdb ()
 598 {
 599     :
 600 }
 601
 602 ctdb_restart_when_done ()
 603 {
 604     ctdb_test_restart_scheduled=true
 605 }
 606
 607 get_ctdbd_command_line_option ()
 608 {
 609     local pnn="$1"
 610     local option="$2"
 611
 612     try_command_on_node "$pnn" "$CTDB getpid" || \
 613         die "Unable to get PID of ctdbd on node $pnn"
 614
 615     local pid="${out#*:}"
 616     try_command_on_node "$pnn" "ps -p $pid -o args hww" || \
 617         die "Unable to get command-line of PID $pid"
 618
 619     # Strip everything up to and including --option
 620     local t="${out#*--${option}}"
 621     # Strip leading '=' or space if present
 622     t="${t#=}"
 623     t="${t# }"
 624     # Strip any following options and print
 625     echo "${t%% -*}"
 626 }
 627
 628 #######################################
 629
 630 wait_for_monitor_event ()
 631 {
 632     local pnn="$1"
 633     local timeout=120
 634
 635     echo "Waiting for a monitor event on node ${pnn}..."
 636
 637     try_command_on_node "$pnn" $CTDB scriptstatus || {
 638         echo "Unable to get scriptstatus from node $pnn"
 639         return 1
 640     }
 641
 642     local ctdb_scriptstatus_original="$out"
 643     wait_until 120 _ctdb_scriptstatus_changed
 644 }
 645
 646 _ctdb_scriptstatus_changed ()
 647 {
 648     try_command_on_node "$pnn" $CTDB scriptstatus || {
 649         echo "Unable to get scriptstatus from node $pnn"
 650         return 1
 651     }
 652
 653     [ "$out" != "$ctdb_scriptstatus_original" ]
 654 }
 655
 656 #######################################
 657
 658 nfs_test_setup ()
 659 {
 660     select_test_node_and_ips
 661
 662     nfs_first_export=$(showmount -e $test_ip | sed -n -e '2s/ .*//p')
 663
 664     echo "Creating test subdirectory..."
 665     try_command_on_node $test_node "mktemp -d --tmpdir=$nfs_first_export"
 666     nfs_test_dir="$out"
 667     try_command_on_node $test_node "chmod 777 $nfs_test_dir"
 668
 669     nfs_mnt_d=$(mktemp -d)
 670     nfs_local_file="${nfs_mnt_d}/${nfs_test_dir##*/}/TEST_FILE"
 671     nfs_remote_file="${nfs_test_dir}/TEST_FILE"
 672
 673     ctdb_test_exit_hook_add nfs_test_cleanup
 674
 675     echo "Mounting ${test_ip}:${nfs_first_export} on ${nfs_mnt_d} ..."
 676     mount -o timeo=1,hard,intr,vers=3 \
 677         "[${test_ip}]:${nfs_first_export}" ${nfs_mnt_d}
 678 }
 679
 680 nfs_test_cleanup ()
 681 {
 682     rm -f "$nfs_local_file"
 683     umount -f "$nfs_mnt_d"
 684     rmdir "$nfs_mnt_d"
 685     onnode -q $test_node rmdir "$nfs_test_dir"
 686 }
 687
 688 #######################################
 689
 690 # If the given IP is hosted then print 2 items: maskbits and iface
 691 ip_maskbits_iface ()
 692 {
 693     _addr="$1"
 694
 695     case "$_addr" in
 696         *:*) _family="inet6" ; _bits=128 ;;
 697         *)   _family="inet"  ; _bits=32  ;;
 698     esac
 699
 700     ip addr show to "${_addr}/${_bits}" 2>/dev/null | \
 701         awk -v family="${_family}" \
 702             'NR == 1 { iface = $2; sub(":$", "", iface) } \
 703              $1 ~ /inet/ { mask = $2; sub(".*/", "", mask); \
 704                            print mask, iface, family }'
 705 }
 706
 707 drop_ip ()
 708 {
 709     _addr="${1%/*}"  # Remove optional maskbits
 710
 711     set -- $(ip_maskbits_iface $_addr)
 712     if [ -n "$1" ] ; then
 713         _maskbits="$1"
 714         _iface="$2"
 715         echo "Removing public address $_addr/$_maskbits from device $_iface"
 716         ip addr del "$_ip/$_maskbits" dev "$_iface" >/dev/null 2>&1 || true
 717     fi
 718 }
 719
 720 drop_ips ()
 721 {
 722     for _ip ; do
 723         drop_ip "$_ip"
 724     done
 725 }
 726
 727 #######################################
 728
 729 # $1: pnn, $2: DB name
 730 db_get_path ()
 731 {
 732     try_command_on_node -v $1 $CTDB getdbstatus "$2" |
 733     sed -n -e "s@^path: @@p"
 734 }
 735
 736 # $1: pnn, $2: DB name
 737 db_ctdb_cattdb_count_records ()
 738 {
 739     try_command_on_node -v $1 $CTDB cattdb "$2" |
 740     grep '^key' | grep -v '__db_sequence_number__' |
 741     wc -l
 742 }
 743
 744 # $1: pnn, $2: DB name, $3: key string, $4: value string, $5: RSN (default 7)
 745 db_ctdb_tstore ()
 746 {
 747     _tdb=$(db_get_path $1 "$2")
 748     _rsn="${5:-7}"
 749     try_command_on_node $1 $CTDB tstore "$_tdb" "$3" "$4" "$_rsn"
 750 }
 751
 752 # $1: pnn, $2: DB name, $3: dbseqnum (must be < 255!!!!!)
 753 db_ctdb_tstore_dbseqnum ()
 754 {
 755     # "__db_sequence_number__" + trailing 0x00
 756     _key='0x5f5f64625f73657175656e63655f6e756d6265725f5f00'
 757
 758     # Construct 8 byte (unit64_t) database sequence number.  This
 759     # probably breaks if $3 > 255
 760     _value=$(printf "0x%02x%014x" $3 0)
 761
 762     db_ctdb_tstore $1 "$2" "$_key" "$_value"
 763 }
 764
 765 #######################################
 766
 767 # Make sure that $CTDB is set.
 768 : ${CTDB:=ctdb}
 769
 770 local="${TEST_SUBDIR}/scripts/local.bash"
 771 if [ -r "$local" ] ; then
 772     . "$local"
 773 fi