block: Drop the sheepdog block driver

It was deprecated in commit e1c4269763, v5.2.0.  See that commit
message for rationale.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20210501075747.3293186-1-armbru@redhat.com>
ACKed-by: Peter Krempa <pkrempa@redhat.com>

tests/qemu-iotests/005

@@ -52,11 +52,6 @@ if [ "$IMGFMT" = "vpc" ]; then
     _notrun "image format $IMGFMT does not support large image sizes"
 fi
 
-# sheepdog image is limited to 4TB, so we can't test it here
-if [ "$IMGPROTO" = "sheepdog" ]; then
-    _notrun "image protocol $IMGPROTO does not support large image sizes"
-fi
-
 # Sanity check: For raw, we require a file system that permits the creation
 # of a HUGE (but very sparse) file. Check we can create it before continuing.
 if [ "$IMGFMT" = "raw" ]; then

tests/qemu-iotests/025

@@ -39,7 +39,7 @@ trap "_cleanup; exit \$status" 0 1 2 3 15
 . ./common.pattern
 
 _supported_fmt raw qcow2 qed luks
-_supported_proto file sheepdog rbd nfs fuse
+_supported_proto file rbd nfs fuse
 
 echo "=== Creating image"
 echo

tests/qemu-iotests/check

@@ -65,8 +65,7 @@ def make_argparser() -> argparse.ArgumentParser:
         mg.add_argument('-' + fmt, dest='imgfmt', action='store_const',
                         const=fmt, help=f'test {fmt}')
 
-    protocol_list = ['file', 'rbd', 'sheepdog', 'nbd', 'ssh', 'nfs',
-                     'fuse']
+    protocol_list = ['file', 'rbd', 'nbd', 'ssh', 'nfs', 'fuse']
     g_prt = p.add_argument_group(
         '  image protocol options',
         'The following options set the IMGPROTO environment variable. '

tests/qemu-iotests/common.rc

@@ -641,10 +641,6 @@ _cleanup_test_img()
             rbd --no-progress rm "$TEST_DIR/t.$IMGFMT" > /dev/null
             ;;
 
-        sheepdog)
-            collie vdi delete "$TEST_DIR/t.$IMGFMT"
-            ;;
-
     esac
 }