[#325] Added get nns records method to frostfs-adm

Signed-off-by: Dmitry Anurin <danurin@yadro.com>

src/frostfs_testlib/cli/frostfs_adm/morph.py

@@ -463,3 +463,26 @@ class FrostfsAdmMorph(CliCommand):
             "morph ape rm-rule-chain",
             **{param: value for param, value in locals().items() if param not in ["self"]},
         )
+
+    def get_nns_records(
+        self,
+        name: str,
+        type: Optional[str] = None,
+        rpc_endpoint: Optional[str] = None,
+        alphabet_wallets: Optional[str] = None,
+    ) -> CommandResult:
+        """Returns domain record of the specified type
+
+        Args:
+            name: Domain name
+            type: Domain name service record type(A|CNAME|SOA|TXT)
+            rpc_endpoint: N3 RPC node endpoint
+            alphabet_wallets: path to alphabet wallets dir
+
+        Returns:
+            Command's result
+        """
+        return self._execute(
+            "morph nns get-records",
+            **{param: value for param, value in locals().items() if param not in ["self"]},
+        )