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authorTibor Frank <tifrank@cisco.com>2017-02-03 11:26:37 +0100
committerPeter Mikus <pmikus@cisco.com>2017-02-07 09:18:18 +0000
commitf6cf39c515f503f367df441924fd16967d518539 (patch)
tree0f2ab990e56b6eabd85845394f413f7ab4f6d8aa /resources/libraries/python/DPDK/DPDKTools.py
parent90471d126d7d6910e1430ab4417d42a659288c61 (diff)
CSIT-517: DPDK initialization and teardown
Change-Id: Iff42549e3be610c88b7a7d5518ef2cbb88c75ed2 Signed-off-by: Tibor Frank <tifrank@cisco.com>
Diffstat (limited to 'resources/libraries/python/DPDK/DPDKTools.py')
-rw-r--r--resources/libraries/python/DPDK/DPDKTools.py24
1 files changed, 14 insertions, 10 deletions
diff --git a/resources/libraries/python/DPDK/DPDKTools.py b/resources/libraries/python/DPDK/DPDKTools.py
index e7fa2f4e76..178562355e 100644
--- a/resources/libraries/python/DPDK/DPDKTools.py
+++ b/resources/libraries/python/DPDK/DPDKTools.py
@@ -12,16 +12,18 @@
# 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
+
class DPDKTools(object):
- """Test the DPDK l2fwd performance."""
+ """This class implements:
+ - Initialization of DPDK environment,
+ - Cleanup of DPDK environment.
+ """
@staticmethod
def initialize_dpdk_environment(dut_node, dut_if1, dut_if2):
@@ -36,6 +38,7 @@ class DPDKTools(object):
: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)
@@ -48,8 +51,8 @@ class DPDKTools(object):
(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']))
+ raise RuntimeError('Failed to bind the interfaces to igb_uio at '
+ 'node {0}'.format(dut_node['host']))
@staticmethod
def cleanup_dpdk_environment(dut_node, dut_if1, dut_if2):
@@ -64,6 +67,7 @@ class DPDKTools(object):
: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)
@@ -74,10 +78,10 @@ class DPDKTools(object):
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)
+ '{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']))
+ raise RuntimeError('Failed to cleanup the dpdk at node {0}'
+ .format(dut_node['host']))