Python3: resources and libraries
[csit.git] / resources / libraries / python / DPDK / L3fwdTest.py
index d26267f..0a045c0 100644 (file)
@@ -1,4 +1,4 @@
-# Copyright (c) 2016 Cisco and/or its affiliates.
+# Copyright (c) 2019 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:
 This module exists to provide the l3fwd test for DPDK on topology nodes.
 """
 
+from resources.libraries.python.Constants import Constants
 from resources.libraries.python.ssh import SSH
-from resources.libraries.python.constants import Constants as con
-from resources.libraries.python.topology import Topology
+from resources.libraries.python.topology import NodeType, Topology
 
-class L3fwdTest(object):
+
+class L3fwdTest:
     """Test the DPDK l3fwd performance."""
 
     @staticmethod
-    def start_the_l3fwd_test(nodes_info, dut_node, dut_if1, dut_if2,
-                             nb_cores, lcores_list, queue_nums, jumbo_frames):
+    def start_the_l3fwd_test(
+            nodes_info, dut_node, dut_if1, dut_if2, nb_cores, lcores_list,
+            queue_nums, jumbo_frames):
         """
         Execute the l3fwd on the dut_node.
 
@@ -35,7 +37,8 @@ class L3fwdTest(object):
         :param nb_cores: The cores number for the forwarding
         :param lcores_list: The lcore list string for the l3fwd routing
         :param queue_nums: The queues number for the NIC
-        :param jumbo_frames: Is jumbo frames or not. Accepted: yes / no
+        :param jumbo_frames: Indication if the jumbo frames are used (True) or
+                             not (False).
         :type nodes_info: dict
         :type dut_node: dict
         :type dut_if1: str
@@ -43,41 +46,38 @@ class L3fwdTest(object):
         :type nb_cores: str
         :type lcores_list: str
         :type queue_nums: str
-        :type jumbo_frames: str
-        :return: none
+        :type jumbo_frames: bool
         """
-        adj_mac0, adj_mac1 = L3fwdTest.get_adj_mac(nodes_info, dut_node,
-                                                   dut_if1, dut_if2)
-
-        list_cores = lcores_list.split(',')
-
-        # prepare the port config param
-        index = 0
-        port_config = ''
-        for port in range(0, 2):
-            for queue in range(0, int(queue_nums)):
-                if int(nb_cores) == 1:
-                    index = 0
-                    temp_str = '({0}, {1}, {2}),'.format(port, queue, \
-                                                    int(list_cores[index]))
-                else:
-                    temp_str = '({0}, {1}, {2}),'.format(port, queue, \
-                                                    int(list_cores[index]))
-
-                port_config += temp_str
-                index = index + 1
-
-        ssh = SSH()
-        ssh.connect(dut_node)
-
-        cmd = 'cd {0}/tests/dpdk/dpdk_scripts/ && ./run_l3fwd.sh ' \
-              '"{1}" "{2}" {3} {4} {5}'.format(con.REMOTE_FW_DIR, lcores_list, \
-              port_config.rstrip(','), adj_mac0, adj_mac1, jumbo_frames)
-
-        (ret_code, _, _) = ssh.exec_command(cmd, timeout=600)
-        if ret_code != 0:
-            raise Exception('Failed to execute l3fwd test at node {0}'
-                            .format(dut_node['host']))
+        if dut_node[u"type"] == NodeType.DUT:
+            adj_mac0, adj_mac1 = L3fwdTest.get_adj_mac(
+                nodes_info, dut_node, dut_if1, dut_if2
+            )
+
+            list_cores = [int(item) for item in lcores_list.split(u",")]
+
+            # prepare the port config param
+            nb_cores = int(nb_cores)
+            index = 0
+            port_config = ''
+            for port in range(0, 2):
+                for queue in range(0, int(queue_nums)):
+                    index = 0 if nb_cores == 1 else index
+                    port_config += f"({port}, {queue}, {list_cores[index]}),"
+                    index += 1
+
+            ssh = SSH()
+            ssh.connect(dut_node)
+
+            cmd = f"{Constants.REMOTE_FW_DIR}/tests/dpdk/dpdk_scripts" \
+                f"/run_l3fwd.sh \"{lcores_list}\" " \
+                f"\"{port_config.rstrip(u',')}\" " \
+                f"{adj_mac0} {adj_mac1} {u'yes' if jumbo_frames else u'no'}"
+
+            ret_code, _, _ = ssh.exec_command_sudo(cmd, timeout=600)
+            if ret_code != 0:
+                raise Exception(
+                    f"Failed to execute l3fwd test at node {dut_node[u'host']}"
+                )
 
     @staticmethod
     def get_adj_mac(nodes_info, dut_node, dut_if1, dut_if2):
@@ -103,13 +103,41 @@ class L3fwdTest(object):
         # detect which is the port 0
         if min(if_pci0, if_pci1) != if_pci0:
             if_key0, if_key1 = if_key1, if_key0
+            L3fwdTest.patch_l3fwd(dut_node, u"patch_l3fwd_flip_routes")
 
-        adj_node0, adj_if_key0 = Topology.get_adjacent_node_and_interface( \
-                                 nodes_info, dut_node, if_key0)
-        adj_node1, adj_if_key1 = Topology.get_adjacent_node_and_interface( \
-                                 nodes_info, dut_node, if_key1)
+        adj_node0, adj_if_key0 = Topology.get_adjacent_node_and_interface(
+            nodes_info, dut_node, if_key0
+        )
+        adj_node1, adj_if_key1 = Topology.get_adjacent_node_and_interface(
+            nodes_info, dut_node, if_key1
+        )
 
         adj_mac0 = Topology.get_interface_mac(adj_node0, adj_if_key0)
         adj_mac1 = Topology.get_interface_mac(adj_node1, adj_if_key1)
 
         return adj_mac0, adj_mac1
+
+    @staticmethod
+    def patch_l3fwd(node, patch):
+        """
+        Patch l3fwd application and recompile.
+
+        :param node: Dictionary created from topology.
+        :param patch: Patch to apply.
+        :type node: dict
+        :type patch: str
+        :raises RuntimeError: Patching of l3fwd failed.
+        """
+        arch = Topology.get_node_arch(node)
+
+        ssh = SSH()
+        ssh.connect(node)
+
+        ret_code, _, _ = ssh.exec_command(
+            f"{Constants.REMOTE_FW_DIR}/tests/dpdk/dpdk_scripts/patch_l3fwd.sh "
+            f"{arch} {Constants.REMOTE_FW_DIR}/tests/dpdk/dpdk_scripts/{patch}",
+            timeout=600
+        )
+
+        if ret_code != 0:
+            raise RuntimeError(u"Patch of l3fwd failed.")