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authorDino Simeon Madarang <dino.simeonx.madarang@intel.com>2016-01-08 15:31:36 +0000
committerMaryam Tahhan <maryam.tahhan@intel.com>2016-01-12 12:38:59 +0000
commit76aba6f4fcb5e2a030893c01a3103bf8e94aa288 (patch)
tree4819464b0f3bc26b42d309f0860541f782fac399
parentb2b11bf301bbe37befdda23e2a0f1501c079405f (diff)
vswitches: Remove datapath after stopping OVS
Remove the datapath that OVS creates, ovs-system, (can be viewed by ip link) after running OVS vanilla tests. Change-Id: I087c7b3f5afa546258227939ffcb38f0192f0d98 JIRA: VSPERF-175 Signed-off-by: Dino Simeon Madarang <dino.simeonx.madarang@intel.com> Reviewed-by: Maryam Tahhan <maryam.tahhan@intel.com> Reviewed-by: Martin Klozik <martinx.klozik@intel.com> Reviewed-by: Al Morton <acmorton@att.com> Reviewed-by: Brian Castelli <brian.castelli@spirent.com>
-rw-r--r--src/ovs/__init__.py1
-rw-r--r--src/ovs/dpctl.py71
-rw-r--r--vswitches/ovs_vanilla.py5
3 files changed, 76 insertions, 1 deletions
diff --git a/src/ovs/__init__.py b/src/ovs/__init__.py
index 1a31ea2e..8c157006 100644
--- a/src/ovs/__init__.py
+++ b/src/ovs/__init__.py
@@ -23,3 +23,4 @@ and external setup of vswitchd-external process, kernel modules etc.
from src.ovs.daemon import *
from src.ovs.ofctl import *
+from src.ovs.dpctl import *
diff --git a/src/ovs/dpctl.py b/src/ovs/dpctl.py
new file mode 100644
index 00000000..8ecac6dc
--- /dev/null
+++ b/src/ovs/dpctl.py
@@ -0,0 +1,71 @@
+# Copyright 2016 Intel Corporation.
+#
+# 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
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Wrapper for an OVS dpctl (``ovs-dpctl``) for managing datapaths.
+
+"""
+
+import os
+import logging
+import string
+
+from tools import tasks
+from conf import settings
+
+_OVS_DPCTL_BIN = os.path.join(settings.getValue('OVS_DIR'), 'utilities',
+ 'ovs-dpctl')
+
+_OVS_LOCAL_DATAPATH = 'ovs-system'
+
+class DPCtl(object):
+ """remove/show datapaths using ``ovs-dpctl``.
+ """
+ def __init__(self, timeout=10):
+ """Initialise logger.
+
+ :param timeout: Timeout to be used for each command
+
+ :returns: None
+ """
+ self.logger = logging.getLogger(__name__)
+ self.timeout = timeout
+
+ # helpers
+
+ def run_dpctl(self, args, check_error=False):
+ """Run ``ovs-dpctl`` with supplied arguments.
+
+ :param args: Arguments to pass to ``ovs-dpctl``
+ :param check_error: Throw exception on error
+
+ :return: None
+ """
+ cmd = ['sudo', _OVS_DPCTL_BIN,
+ '--timeout',
+ str(self.timeout)] + args
+ return tasks.run_task(
+ cmd, self.logger, 'Running ovs-dpctl ..', check_error)
+
+ # datapath management
+
+ def del_dp(self, dp_name=_OVS_LOCAL_DATAPATH):
+ """Delete local datapath (ovs-dpctl).
+
+ :param br_name: Name of bridge
+
+ :return: None
+ """
+ self.logger.debug('delete datapath ' + dp_name)
+ self.run_dpctl(['del-dp', dp_name])
+
diff --git a/vswitches/ovs_vanilla.py b/vswitches/ovs_vanilla.py
index 04058d97..c6617404 100644
--- a/vswitches/ovs_vanilla.py
+++ b/vswitches/ovs_vanilla.py
@@ -18,7 +18,7 @@
import logging
from conf import settings
from vswitches.vswitch import IVSwitch
-from src.ovs import VSwitchd, OFBridge
+from src.ovs import VSwitchd, OFBridge, DPCtl
from tools.module_manager import ModuleManager
from tools import tasks
@@ -74,6 +74,9 @@ class OvsVanilla(IVSwitch):
self._vport_id = 0
self._vswitchd.kill()
+ dpctl = DPCtl()
+ dpctl.del_dp()
+
self._module_manager.remove_modules()