iotests: Check whether luks works

Whenever running an iotest for the luks format, we should check whether
luks actually really works.

Tests that try to create luks-encrypted qcow2 images should do the same.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Message-Id: <20200625125548.870061-7-mreitz@redhat.com>
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>

tests/qemu-iotests/087

@@ -39,6 +39,7 @@ trap "_cleanup; exit \$status" 0 1 2 3 15
 _supported_fmt qcow2
 _supported_proto file
 _supported_os Linux
+_require_working_luks
 
 do_run_qemu()
 {

tests/qemu-iotests/178

@@ -41,6 +41,7 @@ trap "_cleanup; exit \$status" 0 1 2 3 15
 _supported_fmt raw qcow2
 _supported_proto file
 _supported_os Linux
+_require_working_luks
 
 echo "== Input validation =="
 echo

tests/qemu-iotests/188

@@ -39,6 +39,7 @@ trap "_cleanup; exit \$status" 0 1 2 3 15
 _supported_fmt qcow2
 _supported_proto generic
 _supported_os Linux
+_require_working_luks
 
 
 size=16M

tests/qemu-iotests/189

@@ -39,6 +39,7 @@ trap "_cleanup; exit \$status" 0 1 2 3 15
 _supported_fmt qcow2
 _supported_proto generic
 _supported_os Linux
+_require_working_luks
 
 
 size=16M

tests/qemu-iotests/198

@@ -39,6 +39,7 @@ trap "_cleanup; exit \$status" 0 1 2 3 15
 _supported_fmt qcow2
 _supported_proto generic
 _supported_os Linux
+_require_working_luks
 
 
 size=16M

tests/qemu-iotests/206

@@ -24,6 +24,7 @@ import iotests
 from iotests import imgfmt
 
 iotests.script_initialize(supported_fmts=['qcow2'])
+iotests.verify_working_luks()
 
 with iotests.FilePath('t.qcow2') as disk_path, \
      iotests.FilePath('t.qcow2.base') as backing_path, \

tests/qemu-iotests/263

@@ -40,6 +40,7 @@ trap "_cleanup; exit \$status" 0 1 2 3 15
 _supported_fmt qcow2
 _supported_proto generic
 _supported_os Linux
+_require_working_luks
 
 
 size=1M

tests/qemu-iotests/284

@@ -39,6 +39,7 @@ trap "_cleanup; exit \$status" 0 1 2 3 15
 _supported_fmt qcow2
 _supported_proto generic
 _supported_os Linux
+_require_working_luks
 
 
 size=1M

tests/qemu-iotests/common.rc

@@ -605,6 +605,9 @@ _supported_fmt()
     # setting IMGFMT_GENERIC to false.
     for f; do
         if [ "$f" = "$IMGFMT" -o "$f" = "generic" -a "$IMGFMT_GENERIC" = "true" ]; then
+            if [ "$IMGFMT" = "luks" ]; then
+                _require_working_luks
+            fi
             return
         fi
     done

tests/qemu-iotests/iotests.py

@@ -1010,12 +1010,17 @@ def _verify_image_format(supported_fmts: Sequence[str] = (),
         # similar to
         #   _supported_fmt generic
         # for bash tests
+        if imgfmt == 'luks':
+            verify_working_luks()
         return
 
     not_sup = supported_fmts and (imgfmt not in supported_fmts)
     if not_sup or (imgfmt in unsupported_fmts):
         notrun('not suitable for this image format: %s' % imgfmt)
 
+    if imgfmt == 'luks':
+        verify_working_luks()
+
 def _verify_protocol(supported: Sequence[str] = (),
                      unsupported: Sequence[str] = ()) -> None:
     assert not (supported and unsupported)