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# !/usr/bin/python
#
# Copyright (c) CREATED5 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
#
# ###########################################################################
# OPNFV SFC Script
# **** Scripted by Antony Silvester - antony.silvester@huawei.com ******
# ###########################################################################
# Testcase 1 : Prerequisites configuration for SFC
# Testcase 2 : Creation of 3 VNF Nodes and Attaching Ports
# Testcase 3 : Configure SFC [Port pair,Port Group ,Flow classifer
# Testcase 4 : Configure Port Chain and verify the flows are added.
# Testcase 5 : Verify traffic with VNF node.
# Testcase 6 : Remove the Port Chain and Verify the traffic.
# Testcase 7 : Cleanup
# ###########################################################################
#
"""Script to Test the SFC scenarios in ONOS."""
import logging
import time
import functest.utils.functest_utils as ft_utils
from sfc_onos import SfcOnos
logger = logging.getLogger(__name__)
Sfc_obj = SfcOnos()
OK = 200
CREATED = 201
ACCEPTED = 202
NO_CONTENT = 204
start_time = time.time()
def PreConfig():
logger.info("Testcase 1 : Prerequisites configuration for SFC")
logger.info("1.1 Creation of Auth-Token")
check(Sfc_obj.getToken, OK, "Creation of Token")
logger.info("1.2 Creation of Network")
check(Sfc_obj.createNetworks, CREATED, "Creation of network")
logger.info("1.3 Creation of Subnetwork")
check(Sfc_obj.createSubnets, CREATED, "Creation of Subnetwork")
def CreateNodes():
logger.info("Testcase 2 : Creation of 3 VNF Nodes and Attaching Ports")
logger.info("2.1 Creation of Ports")
check(Sfc_obj.createPorts, CREATED, "Creation of Port")
logger.info("2.2 Creation of VM-Compute-Node")
check(Sfc_obj.createVm, ACCEPTED, "Creation of VM")
logger.info("2.3 Check VM Status")
check(Sfc_obj.checkVmState, OK, "Vm statue check")
logger.info("2.4 Router Creation")
check(Sfc_obj.createRouter, CREATED, "Creation of Router")
logger.info("2.5 Attachement of Interface to VM")
check(Sfc_obj.attachInterface, OK, "Interface attached to VM")
logger.info("2.6 Attachement of FLoating Ip to VM")
check(Sfc_obj.addFloatingIp, ACCEPTED, "Floating Ip attached to VM")
def ConfigSfc():
logger.info(
"Testcase 3 : Configure SFC [Portair,PortGroup,Flow classifer]")
logger.info("3.1 Creation of Port Pair")
check(Sfc_obj.createPortPair, CREATED, "Creation of Port Pair")
logger.info("3.2 Getting the Port Pair ID")
check(Sfc_obj.getPortPair, OK, "Getting Port Pair ID")
logger.info("3.3 Creation of Port Pair Group")
check(Sfc_obj.createPortGroup, CREATED, "Creation of Port Pair Group")
logger.info("3.4 Getting Port Pair Group ID ")
check(Sfc_obj.getPortGroup, OK, "Getting Port Pair Group ID")
logger.info("3.5 Creation of Flow Classifier")
check(Sfc_obj.createFlowClassifier, CREATED, "Creation of Flow Classifier")
logger.info(
"Testcase 4 : Configure Port Chain and verify flows are added")
logger.info("4.1 Creation of Port Chain")
check(Sfc_obj.createPortChain, CREATED, "Creation of Port Chain")
def VerifySfcTraffic():
status = "PASS"
logger.info("Testcase 5 : Verify traffic with VNF node.")
if (Sfc_obj.loginToVM() == "1"):
logger.info("SFC function Working")
else:
logger.error("SFC function not working")
status = "FAIL"
logger.info("Testcase 6 : Remove the Port Chain and Verify the traffic")
if (Sfc_obj.deletePortChain() == NO_CONTENT):
if (Sfc_obj.loginToVM() == "0"):
logger.info("SFC function is removed Successfully")
else:
logger.error("SFC function not Removed. Have some problem")
status = "FAIL"
if (Sfc_obj.deleteFlowClassifier() == NO_CONTENT):
if (Sfc_obj.deletePortGroup() == NO_CONTENT):
if (Sfc_obj.deletePortPair() == NO_CONTENT):
logger.info(
"SFC configuration is deleted successfully")
else:
logger.error("Port pair is deleted successfully")
status = "FAIL"
else:
logger.error("Port Group is NOT deleted successfully")
status = "FAIL"
else:
logger.error("Flow classifier is NOT deleted successfully")
status = "FAIL"
else:
logger.error("PortChain configuration is NOT deleted successfully")
status = "FAIL"
if (status == "FAIL"):
fail("Traffic for SFC is NOT verified successfully")
def CleanUp():
logger.info("Testcase 7 : Cleanup")
if (Sfc_obj.cleanup() == NO_CONTENT):
logger.info("CleanUp is successfull")
else:
logger.error("CleanUp is NOT successfull")
def check(method, criteria, msg):
if (method() == criteria):
logger.info(msg + 'is Successful')
else:
fail(msg + 'is not successful')
def fail(fail_info):
logger.error(fail_info)
CleanUp()
PushDB("FAIL", fail_info)
exit(-1)
def PushDB(status, info):
logger.info("Summary :")
try:
logger.debug("Push ONOS SFC results into DB")
stop_time = time.time()
# ONOS SFC success criteria = all tests OK
duration = round(stop_time - start_time, 1)
logger.info("Result is " + status)
ft_utils.push_results_to_db("functest",
"onos_sfc",
start_time,
stop_time,
status,
details={'duration': duration,
'error': info})
except:
logger.error("Error pushing results into Database")
def main():
"""Script to Test the SFC scenarios in ONOS."""
PreConfig()
CreateNodes()
ConfigSfc()
VerifySfcTraffic()
CleanUp()
PushDB("PASS", "")
if __name__ == '__main__':
logging.basicConfig()
main()
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