Add rudimentary check for crypt_metadata_allocs

Signed-off-by: mulhern <[email protected]>

testlib/infra.py

@@ -251,6 +251,20 @@ def _check_encryption_information_consistency(self, pool_object_path, metadata):
         else:
             self.assertNotIn("encrypted", metadata["features"])
 
+    def _check_crypt_metadata_allocs(self, metadata):
+        """
+        Check that all metadata allocs exist and are non-zero.
+        """
+        crypt_meta_allocs = metadata["backstore"]["cap"].get("crypt_meta_allocs")
+        self.assertIsNotNone(crypt_meta_allocs)
+        self.assertIsInstance(crypt_meta_allocs, list)
+        self.assertEqual(len(crypt_meta_allocs), 1)
+
+        crypt_meta_allocs = crypt_meta_allocs[0]
+        self.assertIsInstance(crypt_meta_allocs, list)
+        self.assertEqual(crypt_meta_allocs[0], 0)
+        self.assertGreater(crypt_meta_allocs[1], 0)
+
     def run_check(self, stop_time):
         """
         Run the check.
@@ -282,6 +296,8 @@ def run_check(self, stop_time):
                     self._check_thin_meta_allocations(written)
 
                     self._check_encryption_information_consistency(object_path, written)
+                    self._check_crypt_metadata_allocs(written)
+
                 else:
                     current_message = (
                         "" if current_return_code == _OK else current_message