summaryrefslogtreecommitdiffstats
path: root/tests/functest/odl-sfc/ovs_utils.py
diff options
context:
space:
mode:
authorGeorge Paraskevopoulos <geopar@intracom-telecom.com>2016-11-11 11:05:07 +0200
committerGeorge Paraskevopoulos <geopar@intracom-telecom.com>2016-11-15 10:19:47 +0200
commit45e3e5662af2997d633bd02a2eb0c7553f442e6e (patch)
treee938c410c58e0d43b37e4bd0d618df21c2245bed /tests/functest/odl-sfc/ovs_utils.py
parent73c4d745bf2bba060dc8301a9127482f01318de1 (diff)
Copy odl-sfc test from functest to the sfc repo
Migrate odl-sfc testcase from functest repo First related functest commit: 65a5f65fa06c97456f37ca2434cf9e6fc9b758aa Last related functest commit: caa06d8d7b55a1c0608a72f809785d8f418cf541 Change-Id: I206f25d6fb44564b8b163ebb9c43e038851bea71 Signed-off-by: George Paraskevopoulos <geopar@intracom-telecom.com>
Diffstat (limited to 'tests/functest/odl-sfc/ovs_utils.py')
-rw-r--r--tests/functest/odl-sfc/ovs_utils.py137
1 files changed, 137 insertions, 0 deletions
diff --git a/tests/functest/odl-sfc/ovs_utils.py b/tests/functest/odl-sfc/ovs_utils.py
new file mode 100644
index 00000000..af1f232c
--- /dev/null
+++ b/tests/functest/odl-sfc/ovs_utils.py
@@ -0,0 +1,137 @@
+##############################################################################
+# Copyright (c) 2015 Ericsson AB and others.
+# Author: George Paraskevopoulos (geopar@intracom-telecom.com)
+# All rights reserved. This program and the accompanying materials
+# are made available under the terms of the Apache License, Version 2.0
+# which accompanies this distribution, and is available at
+# http://www.apache.org/licenses/LICENSE-2.0
+##############################################################################
+
+import functest.utils.functest_logger as rl
+import os
+import time
+import shutil
+import re
+
+logger = rl.Logger('ovs_utils').getLogger()
+
+
+class OVSLogger(object):
+ def __init__(self, basedir, ft_resdir):
+ self.ovs_dir = basedir
+ self.ft_resdir = ft_resdir
+ self.__mkdir_p(self.ovs_dir)
+
+ def __mkdir_p(self, dirpath):
+ if not os.path.exists(dirpath):
+ os.makedirs(dirpath)
+
+ def __ssh_host(self, ssh_conn, host_prefix='10.20.0'):
+ try:
+ _, stdout, _ = ssh_conn.exec_command('hostname -I')
+ hosts = stdout.readline().strip().split(' ')
+ found_host = [h for h in hosts if h.startswith(host_prefix)][0]
+ return found_host
+ except Exception, e:
+ logger.error(e)
+
+ def __dump_to_file(self, operation, host, text, timestamp=None):
+ ts = (timestamp if timestamp is not None
+ else time.strftime("%Y%m%d-%H%M%S"))
+ dumpdir = os.path.join(self.ovs_dir, ts)
+ self.__mkdir_p(dumpdir)
+ fname = '{0}_{1}'.format(operation, host)
+ with open(os.path.join(dumpdir, fname), 'w') as f:
+ f.write(text)
+
+ def __remote_cmd(self, ssh_conn, cmd):
+ try:
+ _, stdout, stderr = ssh_conn.exec_command(cmd)
+ errors = stderr.readlines()
+ if len(errors) > 0:
+ host = self.__ssh_host(ssh_conn)
+ logger.error(''.join(errors))
+ raise Exception('Could not execute {0} in {1}'
+ .format(cmd, host))
+ output = ''.join(stdout.readlines())
+ return output
+ except Exception, e:
+ logger.error('[__remote_command(ssh_client, {0})]: {1}'
+ .format(cmd, e))
+ return None
+
+ def create_artifact_archive(self):
+ shutil.make_archive(self.ovs_dir,
+ 'zip',
+ root_dir=os.path.dirname(self.ovs_dir),
+ base_dir=self.ovs_dir)
+ shutil.copy2('{0}.zip'.format(self.ovs_dir), self.ft_resdir)
+
+ def ofctl_dump_flows(self, ssh_conn, br='br-int',
+ choose_table=None, timestamp=None):
+ try:
+ cmd = 'ovs-ofctl -OOpenFlow13 dump-flows {0}'.format(br)
+ if choose_table is not None:
+ cmd = '{0} table={1}'.format(cmd, choose_table)
+ output = self.__remote_cmd(ssh_conn, cmd)
+ operation = 'ofctl_dump_flows'
+ host = self.__ssh_host(ssh_conn)
+ self.__dump_to_file(operation, host, output, timestamp=timestamp)
+ return output
+ except Exception, e:
+ logger.error('[ofctl_dump_flows(ssh_client, {0}, {1})]: {2}'
+ .format(br, choose_table, e))
+ return None
+
+ def vsctl_show(self, ssh_conn, timestamp=None):
+ try:
+ cmd = 'ovs-vsctl show'
+ output = self.__remote_cmd(ssh_conn, cmd)
+ operation = 'vsctl_show'
+ host = self.__ssh_host(ssh_conn)
+ self.__dump_to_file(operation, host, output, timestamp=timestamp)
+ return output
+ except Exception, e:
+ logger.error('[vsctl_show(ssh_client)]: {0}'.format(e))
+ return None
+
+ def dump_ovs_logs(self, controller_clients, compute_clients,
+ related_error=None, timestamp=None):
+ if timestamp is None:
+ timestamp = time.strftime("%Y%m%d-%H%M%S")
+
+ for controller_client in controller_clients:
+ self.ofctl_dump_flows(controller_client,
+ timestamp=timestamp)
+ self.vsctl_show(controller_client,
+ timestamp=timestamp)
+
+ for compute_client in compute_clients:
+ self.ofctl_dump_flows(compute_client,
+ timestamp=timestamp)
+ self.vsctl_show(compute_client,
+ timestamp=timestamp)
+
+ if related_error is not None:
+ dumpdir = os.path.join(self.ovs_dir, timestamp)
+ with open(os.path.join(dumpdir, 'error'), 'w') as f:
+ f.write(related_error)
+
+ def ofctl_time_counter(self, ssh_conn):
+ try:
+ # We get the flows from table 11
+ table = 11
+ br = "br-int"
+ output = self.ofctl_dump_flows(ssh_conn, br, table)
+ pattern = "NXM_NX_NSP"
+ rsps = []
+ lines = output.split(",")
+ for line in lines:
+ is_there = re.findall(pattern, line)
+ if is_there:
+ value = line.split(":")[1].split("-")[0]
+ rsps.append(value)
+ return rsps
+ except Exception, e:
+ logger.error('Error when countering %s' % e)
+ return None