X-Git-Url: https://gerrit.fd.io/r/gitweb?p=csit.git;a=blobdiff_plain;f=resources%2Flibraries%2Fpython%2FDPDK%2FDPDKTools.py;h=ecb23fb4c3b62d106ad9d0b3b13dbeb7210d1e44;hp=e7fa2f4e769c1ee75c0d232dca2584418ebf629a;hb=d68951ac245150eeefa6e0f4156e4c1b5c9e9325;hpb=b633f4ebf7878ae968e27b71da69b6cde0265904

diff --git a/resources/libraries/python/DPDK/DPDKTools.py b/resources/libraries/python/DPDK/DPDKTools.py
index e7fa2f4e76..ecb23fb4c3 100644
--- a/resources/libraries/python/DPDK/DPDKTools.py
+++ b/resources/libraries/python/DPDK/DPDKTools.py
@@ -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:
@@ -12,16 +12,20 @@
 # limitations under the License.
 
 
-"""
-This module exists to provide the init DPDK.
-"""
+"""This module implements initialization and cleanup of DPDK environment."""
 
-from resources.libraries.python.ssh import SSH
-from resources.libraries.python.constants import Constants as con
-from resources.libraries.python.topology import Topology
+from robot.api import logger
 
-class DPDKTools(object):
-    """Test the DPDK l2fwd performance."""
+from resources.libraries.python.Constants import Constants
+from resources.libraries.python.ssh import SSH, exec_cmd_no_error
+from resources.libraries.python.topology import NodeType, Topology
+
+
+class DPDKTools:
+    """This class implements:
+    - Initialization of DPDK environment,
+    - Cleanup of DPDK environment.
+    """
 
     @staticmethod
     def initialize_dpdk_environment(dut_node, dut_if1, dut_if2):
@@ -35,21 +39,25 @@ class DPDKTools(object):
         :type dut_node: dict
         :type dut_if1: str
         :type dut_if2: str
-        :returns: none
+        :raises RuntimeError: If it fails to bind the interfaces to igb_uio.
         """
-        pci_address1 = Topology.get_interface_pci_addr(dut_node, dut_if1)
-        pci_address2 = Topology.get_interface_pci_addr(dut_node, dut_if2)
+        if dut_node[u"type"] == NodeType.DUT:
+            pci_address1 = Topology.get_interface_pci_addr(dut_node, dut_if1)
+            pci_address2 = Topology.get_interface_pci_addr(dut_node, dut_if2)
 
-        ssh = SSH()
-        ssh.connect(dut_node)
+            ssh = SSH()
+            ssh.connect(dut_node)
 
-        cmd = 'cd {0}/dpdk-tests/dpdk_scripts/ && sudo ./init_dpdk.sh {1} {2}' \
-              .format(con.REMOTE_FW_DIR, pci_address1, pci_address2)
+            arch = Topology.get_node_arch(dut_node)
+            cmd = f"{Constants.REMOTE_FW_DIR}/tests/dpdk/dpdk_scripts" \
+                f"/init_dpdk.sh {pci_address1} {pci_address2} {arch}"
 
-        (ret_code, _, _) = ssh.exec_command(cmd, timeout=600)
-        if ret_code != 0:
-            raise Exception('Failed to bind the interfaces to igb_uio ' \
-                            'at node {0}'.format(dut_node['host']))
+            ret_code, _, _ = ssh.exec_command_sudo(cmd, timeout=600)
+            if ret_code != 0:
+                raise RuntimeError(
+                    f"Failed to bind the interfaces to igb_uio at node "
+                    f"{dut_node['host']}"
+                )
 
     @staticmethod
     def cleanup_dpdk_environment(dut_node, dut_if1, dut_if2):
@@ -63,21 +71,59 @@ class DPDKTools(object):
         :type dut_node: dict
         :type dut_if1: str
         :type dut_if2: str
-        :returns: none
+        :raises RuntimeError: If it fails to cleanup the dpdk.
+        """
+        if dut_node[u"type"] == NodeType.DUT:
+            pci_address1 = Topology.get_interface_pci_addr(dut_node, dut_if1)
+            if1_driver = Topology.get_interface_driver(dut_node, dut_if1)
+            pci_address2 = Topology.get_interface_pci_addr(dut_node, dut_if2)
+            if2_driver = Topology.get_interface_driver(dut_node, dut_if2)
+
+            ssh = SSH()
+            ssh.connect(dut_node)
+
+            cmd = f"{Constants.REMOTE_FW_DIR}/tests/dpdk/dpdk_scripts" \
+                f"/cleanup_dpdk.sh {if1_driver} {pci_address1} {if2_driver} " \
+                f"{pci_address2}"
+
+            ret_code, _, _ = ssh.exec_command_sudo(cmd, timeout=600)
+            if ret_code != 0:
+                raise RuntimeError(
+                    f"Failed to cleanup the dpdk at node {dut_node[u'host']}"
+                )
+
+    @staticmethod
+    def install_dpdk_test(node):
+        """
+        Prepare the DPDK test environment
+
+        :param node: Dictionary created from topology
+        :type node: dict
+        :returns: nothing
+        :raises RuntimeError: If command returns nonzero return code.
+        """
+        arch = Topology.get_node_arch(node)
+
+        command = f"{Constants.REMOTE_FW_DIR}/tests/dpdk/dpdk_scripts" \
+            f"/install_dpdk.sh {arch}"
+        message = u"Install the DPDK failed!"
+        exec_cmd_no_error(node, command, timeout=600, message=message)
+
+        command = f"cat {Constants.REMOTE_FW_DIR}/dpdk*/VERSION"
+        message = u"Get DPDK version failed!"
+        stdout, _ = exec_cmd_no_error(node, command, message=message)
+
+        logger.info(f"DPDK Version: {stdout}")
+
+    @staticmethod
+    def install_dpdk_test_on_all_duts(nodes):
+        """
+        Prepare the DPDK test environment on all DUTs.
+
+        :param nodes: Nodes from topology file.
+        :type nodes: dict
+        :returns: nothing
         """
-        pci_address1 = Topology.get_interface_pci_addr(dut_node, dut_if1)
-        if1_driver = Topology.get_interface_driver(dut_node, dut_if1)
-        pci_address2 = Topology.get_interface_pci_addr(dut_node, dut_if2)
-        if2_driver = Topology.get_interface_driver(dut_node, dut_if2)
-
-        ssh = SSH()
-        ssh.connect(dut_node)
-
-        cmd = 'cd {0}/dpdk-tests/dpdk_scripts/ && sudo ./cleanup_dpdk.sh ' \
-              '{1} {2} {3} {4}'.format(con.REMOTE_FW_DIR, if1_driver, \
-              pci_address1, if2_driver, pci_address2)
-
-        (ret_code, _, _) = ssh.exec_command(cmd, timeout=600)
-        if ret_code != 0:
-            raise Exception('Failed to cleanup the dpdk at node {0}'
-                            .format(dut_node['host']))
+        for node in list(nodes.values()):
+            if node[u"type"] == NodeType.DUT:
+                DPDKTools.install_dpdk_test(node)