ceph/qa/workunits/rbd/diff.sh

   1 #!/usr/bin/env bash
   2 set -ex
   3
   4 function cleanup() {
   5     rbd snap purge foo || :
   6     rbd rm foo || :
   7     rbd snap purge foo.copy || :
   8     rbd rm foo.copy || :
   9     rbd snap purge foo.copy2 || :
  10     rbd rm foo.copy2 || :
  11     rm -f foo.diff foo.out
  12 }
  13
  14 cleanup
  15
  16 rbd create foo --size 1000
  17 rbd bench --io-type write foo --io-size 4096 --io-threads 5 --io-total 4096000 --io-pattern rand
  18
  19 #rbd cp foo foo.copy
  20 rbd create foo.copy --size 1000
  21 rbd export-diff foo - | rbd import-diff - foo.copy
  22
  23 rbd snap create foo --snap=two
  24 rbd bench --io-type write foo --io-size 4096 --io-threads 5 --io-total 4096000 --io-pattern rand
  25 rbd snap create foo --snap=three
  26 rbd snap create foo.copy --snap=two
  27
  28 rbd export-diff foo@two --from-snap three foo.diff && exit 1 || true  # wrong snap order
  29 rm -f foo.diff
  30
  31 rbd export-diff foo@three --from-snap two foo.diff
  32 rbd import-diff foo.diff foo.copy
  33 rbd import-diff foo.diff foo.copy && exit 1 || true   # this should fail with EEXIST on the end snap
  34 rbd snap ls foo.copy | grep three
  35
  36 rbd create foo.copy2 --size 1000
  37 rbd import-diff foo.diff foo.copy2 && exit 1 || true   # this should fail bc the start snap dne
  38
  39 rbd export foo foo.out
  40 orig=`md5sum foo.out | awk '{print $1}'`
  41 rm foo.out
  42 rbd export foo.copy foo.out
  43 copy=`md5sum foo.out | awk '{print $1}'`
  44
  45 if [ "$orig" != "$copy" ]; then
  46     echo does not match
  47     exit 1
  48 fi
  49
  50 cleanup
  51
  52 echo OK
  53