copy/copy-nbd-to-nbd.sh

   1 #!/usr/bin/env bash
   2 # nbd client library in userspace
   3 # Copyright Red Hat
   4 #
   5 # This library is free software; you can redistribute it and/or
   6 # modify it under the terms of the GNU Lesser General Public
   7 # License as published by the Free Software Foundation; either
   8 # version 2 of the License, or (at your option) any later version.
   9 #
  10 # This library is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13 # Lesser General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU Lesser General Public
  16 # License along with this library; if not, write to the Free Software
  17 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  18
  19 . ../tests/functions.sh
  20
  21 set -e
  22 set -x
  23
  24 requires nbdkit --exit-with-parent --version
  25 requires cmp /dev/null /dev/null
  26 requires hexdump -C /dev/null
  27
  28 pidfile1=copy-nbd-to-nbd.pid1
  29 pidfile2=copy-nbd-to-nbd.pid2
  30 file1=copy-nbd-to-nbd.file1
  31 file2=copy-nbd-to-nbd.file2
  32 sock1=$(mktemp -u /tmp/libnbd-test-copy.XXXXXX)
  33 sock2=$(mktemp -u /tmp/libnbd-test-copy.XXXXXX)
  34 cleanup_fn rm -f $pidfile1 $pidfile2 $file1 $file2 $sock1 $sock2
  35
  36 nbdkit --exit-with-parent -f -v -P $pidfile1 -U $sock1 pattern size=10M &
  37 # Wait for the pidfile to appear.
  38 for i in {1..60}; do
  39     if test -f $pidfile1; then
  40         break
  41     fi
  42     sleep 1
  43 done
  44 if ! test -f $pidfile1; then
  45     echo "$0: nbdkit did not start up"
  46     exit 1
  47 fi
  48
  49 nbdkit --exit-with-parent -f -v -P $pidfile2 -U $sock2 memory size=10M &
  50 # Wait for the pidfile to appear.
  51 for i in {1..60}; do
  52     if test -f $pidfile2; then
  53         break
  54     fi
  55     sleep 1
  56 done
  57 if ! test -f $pidfile2; then
  58     echo "$0: nbdkit did not start up"
  59     exit 1
  60 fi
  61
  62 $VG nbdcopy "nbd+unix:///?socket=$sock1" "nbd+unix:///?socket=$sock2"
  63
  64 # Download the file from both servers and check they are the same.
  65 $VG nbdcopy "nbd+unix:///?socket=$sock1" $file1
  66 $VG nbdcopy "nbd+unix:///?socket=$sock2" $file2
  67
  68 ls -l $file1 $file2
  69 cmp $file1 $file2
  70
  71 # Test the data is at least non-zero.
  72 test "$(hexdump -C $file1 | head -1)" = "00000000  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 08  |................|"