X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=resources%2Flibraries%2Fpython%2FInterfaceUtil.py;h=558e99b4e730c8a7d7188ce7f647011524546f3e;hb=4f4eaa1d52f3bdbe3caecdc1d6a024c369a2834a;hp=16acdf3214fb31aa155755195879df26316a9a11;hpb=6dd47ed60a15c9f4c86d095844839610783a8393;p=csit.git

diff --git a/resources/libraries/python/InterfaceUtil.py b/resources/libraries/python/InterfaceUtil.py
index 16acdf3214..558e99b4e7 100644
--- a/resources/libraries/python/InterfaceUtil.py
+++ b/resources/libraries/python/InterfaceUtil.py
@@ -847,6 +847,29 @@ class InterfaceUtil(object):
                 sw_if_index=sw_if_index)
         return data[0]
 
+    @staticmethod
+    def get_interface_vrf_table(node, interface):
+        """Get vrf ID for the given interface.
+
+        :param node: VPP node.
+        :param interface: Name or sw_if_index of a specific interface.
+        :type node: dict
+        :type interface: str or int
+        :returns: vrf ID of the specified interface.
+        :rtype: int
+        """
+
+        if isinstance(interface, basestring):
+            sw_if_index = InterfaceUtil.get_sw_if_index(node, interface)
+        else:
+            sw_if_index = interface
+
+        with VatTerminal(node) as vat:
+            data = vat.vat_terminal_exec_cmd_from_template(
+                "interface_vrf_dump.vat",
+                sw_if_index=sw_if_index)
+        return data[0]["vrf_id"]
+
     @staticmethod
     def get_sw_if_index(node, interface_name):
         """Get sw_if_index for the given interface from actual interface dump.
@@ -950,10 +973,14 @@ class InterfaceUtil(object):
         ipv6 = 'ipv6' if ipv6 else ''
 
         with VatTerminal(node) as vat:
-            vat.vat_terminal_exec_cmd_from_template("set_fib_to_interface.vat",
-                                                    sw_index=sw_if_index,
-                                                    vrf=table_id,
-                                                    ipv6=ipv6)
+            ret = vat.vat_terminal_exec_cmd_from_template(
+                "set_fib_to_interface.vat",
+                sw_index=sw_if_index, vrf=table_id, ipv6=ipv6)
+
+        if ret[0]["retval"] != 0:
+            raise RuntimeError('Unable to assign interface to FIB node {}.'
+                               .format(node))
+
 
     @staticmethod
     def set_linux_interface_mac(node, interface, mac, namespace=None):