iotests/qcow2.py: Add dump-header-exts

This is useful for tests that want to whitelist fields from dump-header
(with grep) but still print all header extensions.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Message-id: 20191107163708.833192-3-mreitz@redhat.com
Signed-off-by: Max Reitz <mreitz@redhat.com>

diff --git a/tests/qemu-iotests/qcow2.py b/tests/qemu-iotests/qcow2.py
index b392972d1bfb313561822d352e9fbd3beef9c182..d813b4fc8157cf666af348acfd3697297fe9df73 100755 (executable)
--- a/tests/qemu-iotests/qcow2.py
+++ b/tests/qemu-iotests/qcow2.py
@@ -154,6 +154,10 @@ def cmd_dump_header(fd):
     h.dump()
     h.dump_extensions()
 
+def cmd_dump_header_exts(fd):
+    h = QcowHeader(fd)
+    h.dump_extensions()
+
 def cmd_set_header(fd, name, value):
     try:
         value = int(value, 0)
@@ -230,6 +234,7 @@ def cmd_set_feature_bit(fd, group, bit):
 
 cmds = [
     [ 'dump-header',          cmd_dump_header,          0, 'Dump image header and header extensions' ],
+    [ 'dump-header-exts',     cmd_dump_header_exts,     0, 'Dump image header extensions' ],
     [ 'set-header',           cmd_set_header,           2, 'Set a field in the header'],
     [ 'add-header-ext',       cmd_add_header_ext,       2, 'Add a header extension' ],
     [ 'add-header-ext-stdio', cmd_add_header_ext_stdio, 1, 'Add a header extension, data from stdin' ],