Add ability to view routes in particular table

Author: Pshem Kowalczyk

napalm_junos/junos.py

@@ -1101,8 +1101,8 @@ def get_mac_address_table(self):
 
         return mac_address_table
 
-    def get_route_to(self, destination='', protocol=''):
-        """Return route details to a specific destination, learned from a certain protocol."""
+    def get_route_to(self, destination='', protocol='', table=''):
+        """Return route details to a specific destination, learned from a certain protocol, visible in a particular table."""
         routes = {}
 
         if not isinstance(destination, py23_compat.string_types):
@@ -1114,6 +1114,9 @@ def get_route_to(self, destination='', protocol=''):
         if protocol == 'connected':
             protocol = 'direct'  # this is how is called on JunOS
 
+        if table and not isinstance(table, py23_compat.string_types):
+            raise TypeError('Please specify a valid table!')
+
         _COMMON_PROTOCOL_FIELDS_ = [
             'destination',
             'prefix_length',
@@ -1162,6 +1165,9 @@ def get_route_to(self, destination='', protocol=''):
         if protocol and isinstance(destination, py23_compat.string_types):
             rt_kargs['protocol'] = protocol
 
+        if table:
+            rt_kargs['table'] = table
+
         try:
             routes_table.get(**rt_kargs)
         except RpcTimeoutError: