tests/test-tar-info.sh

   1 #!/usr/bin/env bash
   2 # nbdkit
   3 # Copyright Red Hat
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  20 # THIS SOFTWARE IS PROVIDED BY RED HAT AND CONTRIBUTORS ''AS IS'' AND
  21 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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  23 # PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL RED HAT OR
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  31 # SUCH DAMAGE.
  32
  33 # Test that qemu-img info works on a qcow2 file in a tar file.
  34
  35 source ./functions.sh
  36 set -e
  37 set -x
  38
  39 requires test -f disk
  40 requires guestfish --version
  41 requires tar --version
  42 requires qemu-img --version
  43 requires qemu-img info --output=json /dev/null
  44 requires jq --version
  45 requires $STAT --version
  46
  47 disk=tar-info-disk.qcow2
  48 out=tar-info.out
  49 tar=tar-info.tar
  50 files="$disk $out $tar"
  51 rm -f $files
  52 cleanup_fn rm -f $files
  53
  54 # Create a tar file containing a known qcow2 file.
  55 qemu-img convert -f raw disk -O qcow2 $disk
  56 tar cf $tar $disk
  57
  58 # Run nbdkit.
  59 nbdkit -U - file $tar \
  60        --filter=tar tar-entry=$disk \
  61        --run 'qemu-img info --output=json $nbd' > $out
  62 cat $out
  63
  64 # Check various fields in the input.
  65 # Virtual size must be the same as the size of the original raw disk.
  66 test "$( jq -r -c '.["virtual-size"]' $out )" -eq "$( $STAT -c %s disk )"
  67
  68 # Format must be qcow2.
  69 test "$( jq -r -c '.["format"]' $out )" = "qcow2"