-# 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 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
+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(object):
+
+class DPDKTools:
"""This class implements:
- Initialization of DPDK environment,
- Cleanup of DPDK environment.
: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}/tests/dpdk/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 RuntimeError('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):
:type dut_node: dict
:type dut_if1: str
:type dut_if2: str
- :returns: none
:raises RuntimeError: If it fails to cleanup the dpdk.
"""
- 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}/tests/dpdk/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 RuntimeError('Failed to cleanup the dpdk at node {0}'
- .format(dut_node['host']))
+ 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
+ """
+ for node in list(nodes.values()):
+ if node[u"type"] == NodeType.DUT:
+ DPDKTools.install_dpdk_test(node)