Fix PyLint errors

[csit.git] / resources / libraries / python / Routing.py

diff --git a/resources/libraries/python/Routing.py b/resources/libraries/python/Routing.py
index 7795e3f..a682c90 100644 (file)
--- a/resources/libraries/python/Routing.py
+++ b/resources/libraries/python/Routing.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2016 Cisco and/or its affiliates.
+# Copyright (c) 2018 Cisco and/or its affiliates.
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at:
@@ -13,32 +13,111 @@
 
 """Routing utilities library."""
 
-from VatExecutor import VatTerminal
-from topology import Topology
+from resources.libraries.python.VatExecutor import VatTerminal
+from resources.libraries.python.topology import Topology
+from resources.libraries.python.ssh import exec_cmd_no_error
 
 
 class Routing(object):
     """Routing utilities."""
 
     @staticmethod
-    def vpp_route_add(node, network, prefix_len, gateway, interface):
+    def vpp_route_add(node, network, prefix_len, **kwargs):
         """Add route to the VPP node.
 
         :param node: Node to add route on.
         :param network: Route destination network address.
         :param prefix_len: Route destination network prefix length.
-        :param gateway: Route gateway address.
-        :param interface: Route interface.
+        :param kwargs: Optional key-value arguments:
+
+            gateway: Route gateway address. (str)
+            interface: Route interface. (str)
+            vrf: VRF table ID. (int)
+            use_sw_index: Use sw_if_index in VAT command. (bool)
+            resolve_attempts: Resolve attempts IP route add parameter. (int)
+            count: number of IP addresses to add starting from network IP (int)
+            local: The route is local with same prefix (increment is 1).
+                If None, then is not used. (bool)
+            lookup_vrf: VRF table ID for lookup. (int)
+            multipath: Enable multipath routing. (bool)
+            weight: Weight value for unequal cost multipath routing. (int)
+
         :type node: dict
         :type network: str
         :type prefix_len: int
-        :type gateway: str
-        :type interface: str
+        :type kwargs: dict
+        """
+
+        gateway = kwargs.get("gateway", '')
+        intf = kwargs.get("interface", '')
+        use_sw_index = kwargs.get("use_sw_index", True)
+        resolve_attempts = kwargs.get("resolve_attempts", 10)
+        count = kwargs.get("count", 1)
+        vrf = kwargs.get("vrf", None)
+        l_vrf = kwargs.get("lookup_vrf", None)
+        multipath = kwargs.get("multipath", False)
+        weight = kwargs.get("weight", None)
+        local = kwargs.get("local", False)
+
+        if intf:
+            if use_sw_index:
+                int_cmd = ('sw_if_index {}'.
+                           format(Topology.get_interface_sw_index(node, intf)))
+            else:
+                int_cmd = intf
+        else:
+            int_cmd = ''
+
+        with VatTerminal(node, json_param=False) as vat:
+            vat.vat_terminal_exec_cmd_from_template(
+                'add_route.vat',
+                network=network,
+                prefix_length=prefix_len,
+                via='via {}'.format(gateway) if gateway else '',
+                vrf='vrf {}'.format(vrf) if vrf else '',
+                interface=int_cmd,
+                resolve_attempts='resolve-attempts {}'.
+                format(resolve_attempts) if resolve_attempts else '',
+                count='count {}'.format(count) if count else '',
+                lookup_vrf='lookup-in-vrf {}'.format(l_vrf) if l_vrf else '',
+                multipath='multipath' if multipath else '',
+                weight='weight {}'.format(weight) if weight else '',
+                local='local' if local else '')
+
+    @staticmethod
+    def add_fib_table(node, table_id, ipv6=False):
+        """Create new FIB table according to ID.
+
+        :param node: Node to add FIB on.
+        :param table_id: FIB table ID.
+        :param ipv6: Is this an IPv6 table
+        :type node: dict
+        :type table_id: int
+        :type ipv6: bool
         """
-        sw_if_index = Topology.get_interface_sw_index(node, interface)
         with VatTerminal(node) as vat:
-            vat.vat_terminal_exec_cmd_from_template('add_route.vat',
-                                                    network=network,
-                                                    prefix_length=prefix_len,
-                                                    gateway=gateway,
-                                                    sw_if_index=sw_if_index)
+            vat.vat_terminal_exec_cmd_from_template('add_fib_table.vat',
+                                                    table_id=table_id,
+                                                    ipv6="ipv6" if ipv6 else "")
+
+    @staticmethod
+    def add_route(node, ip_addr, prefix, gateway, namespace=None):
+        """Add route in namespace.
+
+        :param node: Node where to execute command.
+        :param ip_addr: Route destination IP address.
+        :param prefix: IP prefix.
+        :param namespace: Execute command in namespace. Optional.
+        :param gateway: Gateway address.
+        :type node: dict
+        :type ip_addr: str
+        :type prefix: int
+        :type gateway: str
+        :type namespace: str
+        """
+        if namespace is not None:
+            cmd = 'ip netns exec {} ip route add {}/{} via {}'.format(
+                namespace, ip_addr, prefix, gateway)
+        else:
+            cmd = 'ip route add {}/{} via {}'.format(ip_addr, prefix, gateway)
+        exec_cmd_no_error(node, cmd, sudo=True)