Add openvixdisklib as an open NBD replacement for VMware VDDK.

VDDK is no longer publicly distributed, so this library reverse-engineers the vSphere NFC path and exposes ConnectEx, Open, Read, and Write without the proprietary SDK. Co-authored-by: Cursor <[email protected]>
2026-09-07 11:41:01 +00:00
commit 4ddf0c015d
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+# Copyright 2026 Cloudbase Solutions Srl
+# All Rights Reserved.
+
+"""Exercise native VDDK via tests.integration.vixdisklib against the lab."""
+
+from tests.integration import vixdisklib
+from tests.integration.base import TestBase
+
+
+class VddkTest(TestBase):
+    @classmethod
+    def setUpClass(cls) -> None:
+        """Skip when the bundled VDDK shared library is not present."""
+        cls.require_vddk()
+        super().setUpClass()
+
+    def test_write_and_read_first_sector(self) -> None:
+        """Open the temp VMDK with VDDK, write sector 0, and read it back."""
+        handle = vixdisklib.VixDiskLibHandle(
+            vixdisklib_compatibility_version="8.0",
+            config_path=None)
+        write_buf = vixdisklib.get_buffer(self.SECTOR_SIZE)
+        read_buf = vixdisklib.get_buffer(self.SECTOR_SIZE)
+        expected = self.pattern_bytes(self.SECTOR_SIZE, b"VDDK-S0")
+        write_buf[:self.SECTOR_SIZE] = expected
+        with handle.connect(**self.vixdisklib_connect_kwargs()) as conn:
+            with handle.open(conn, self.DISK_PATH, flags=0) as disk:
+                handle.write(disk, 0, 1, write_buf)
+                read_buf[:self.SECTOR_SIZE] = b"\xa5" * self.SECTOR_SIZE
+                handle.read(disk, 0, 1, read_buf)
+                self.assertEqual(read_buf.raw[:self.SECTOR_SIZE], expected)