Finished test Clean up
diff --git a/TestON/tests/TopoPerfNext/TopoPerfNext.py b/TestON/tests/TopoPerfNext/TopoPerfNext.py
index 65bc7a9..87d7378 100644
--- a/TestON/tests/TopoPerfNext/TopoPerfNext.py
+++ b/TestON/tests/TopoPerfNext/TopoPerfNext.py
@@ -1,37 +1,39 @@
-#TopoPerfNext
+# TopoPerfNext
#
-#Topology Performance test for ONOS-next
+# Topology Performance test for ONOS-next
#
-#andrew@onlab.us
+# andrew@onlab.us
#
-#If your machine does not come with numpy
-#run the following command:
-#sudo apt-get install python-numpy python-scipy
+# If your machine does not come with numpy
+# run the following command:
+# sudo apt-get install python-numpy python-scipy
import time
import sys
import os
import re
+
class TopoPerfNext:
- def __init__(self):
+
+ def __init__( self ):
self.default = ''
- def CASE1(self, main):
- '''
+ def CASE1( self, main ):
+ """
ONOS startup sequence
- '''
+ """
import time
-
- cell_name = main.params['ENV']['cellName']
- git_pull = main.params['GIT']['autoPull']
- checkout_branch = main.params['GIT']['checkout']
+ cell_name = main.params[ 'ENV' ][ 'cellName' ]
- ONOS1_ip = main.params['CTRL']['ip1']
- ONOS2_ip = main.params['CTRL']['ip2']
- ONOS3_ip = main.params['CTRL']['ip3']
-
+ git_pull = main.params[ 'GIT' ][ 'autoPull' ]
+ checkout_branch = main.params[ 'GIT' ][ 'checkout' ]
+
+ ONOS1_ip = main.params[ 'CTRL' ][ 'ip1' ]
+ ONOS2_ip = main.params[ 'CTRL' ][ 'ip2' ]
+ ONOS3_ip = main.params[ 'CTRL' ][ 'ip3' ]
+
#### Hardcoded ONOS nodes particular to my env ####
ONOS4_ip = "10.128.174.4"
ONOS5_ip = "10.128.174.5"
@@ -39,108 +41,108 @@
ONOS7_ip = "10.128.174.7"
#### ####
- MN1_ip = main.params['MN']['ip1']
- BENCH_ip = main.params['BENCH']['ip']
+ MN1_ip = main.params[ 'MN' ][ 'ip1' ]
+ BENCH_ip = main.params[ 'BENCH' ][ 'ip' ]
- topo_cfg_file = main.params['TEST']['topo_config_file']
- topo_cfg_name = main.params['TEST']['topo_config_name']
-
- main.case("Setting up test environment")
- main.log.info("Copying topology event accumulator config"+\
- " to ONOS /package/etc")
- main.ONOSbench.handle.sendline("cp ~/"+\
- topo_cfg_file+\
- " ~/ONOS/tools/package/etc/"+\
- topo_cfg_name)
- main.ONOSbench.handle.expect("\$")
+ topo_cfg_file = main.params[ 'TEST' ][ 'topo_config_file' ]
+ topo_cfg_name = main.params[ 'TEST' ][ 'topo_config_name' ]
- main.log.report("Setting up test environment")
+ main.case( "Setting up test environment" )
+ main.log.info( "Copying topology event accumulator config" +
+ " to ONOS /package/etc" )
+ main.ONOSbench.handle.sendline( "cp ~/" +
+ topo_cfg_file +
+ " ~/ONOS/tools/package/etc/" +
+ topo_cfg_name )
+ main.ONOSbench.handle.expect( "\$" )
- main.step("Cleaning previously installed ONOS if any")
- main.ONOSbench.onos_uninstall(node_ip=ONOS4_ip)
- main.ONOSbench.onos_uninstall(node_ip=ONOS5_ip)
- main.ONOSbench.onos_uninstall(node_ip=ONOS6_ip)
- main.ONOSbench.onos_uninstall(node_ip=ONOS7_ip)
+ main.log.report( "Setting up test environment" )
- main.step("Creating cell file")
+ main.step( "Cleaning previously installed ONOS if any" )
+ main.ONOSbench.onos_uninstall( node_ip=ONOS4_ip )
+ main.ONOSbench.onos_uninstall( node_ip=ONOS5_ip )
+ main.ONOSbench.onos_uninstall( node_ip=ONOS6_ip )
+ main.ONOSbench.onos_uninstall( node_ip=ONOS7_ip )
+
+ main.step( "Creating cell file" )
cell_file_result = main.ONOSbench.create_cell_file(
- BENCH_ip, cell_name, MN1_ip, "onos-core,onos-app-metrics",
- ONOS1_ip, ONOS2_ip, ONOS3_ip)
+ BENCH_ip, cell_name, MN1_ip, "onos-core,onos-app-metrics",
+ ONOS1_ip, ONOS2_ip, ONOS3_ip )
- main.step("Applying cell file to environment")
- cell_apply_result = main.ONOSbench.set_cell(cell_name)
+ main.step( "Applying cell file to environment" )
+ cell_apply_result = main.ONOSbench.set_cell( cell_name )
verify_cell_result = main.ONOSbench.verify_cell()
-
- #NOTE: This step may be removed after proper
- # copy cat log functionality
- main.step("Removing raft/copy-cat logs from ONOS nodes")
- main.ONOSbench.onos_remove_raft_logs()
- time.sleep(30)
- main.step("Git checkout and pull "+checkout_branch)
+ # NOTE: This step may be removed after proper
+ # copy cat log functionality
+ main.step( "Removing raft/copy-cat logs from ONOS nodes" )
+ main.ONOSbench.onos_remove_raft_logs()
+ time.sleep( 30 )
+
+ main.step( "Git checkout and pull " + checkout_branch )
if git_pull == 'on':
checkout_result = \
- main.ONOSbench.git_checkout(checkout_branch)
+ main.ONOSbench.git_checkout( checkout_branch )
pull_result = main.ONOSbench.git_pull()
else:
checkout_result = main.TRUE
pull_result = main.TRUE
- main.log.info("Skipped git checkout and pull")
+ main.log.info( "Skipped git checkout and pull" )
- #TODO: Uncomment when wiki posting works
- #main.log.report("Commit information - ")
- #main.ONOSbench.get_version(report=True)
+ # TODO: Uncomment when wiki posting works
+ #main.log.report( "Commit information - " )
+ # main.ONOSbench.get_version( report=True )
- main.step("Using mvn clean & install")
+ main.step( "Using mvn clean & install" )
#mvn_result = main.ONOSbench.clean_install()
mvn_result = main.TRUE
- main.step("Set cell for ONOS cli env")
- main.ONOS1cli.set_cell(cell_name)
- main.ONOS2cli.set_cell(cell_name)
- main.ONOS3cli.set_cell(cell_name)
+ main.step( "Set cell for ONOS cli env" )
+ main.ONOS1cli.set_cell( cell_name )
+ main.ONOS2cli.set_cell( cell_name )
+ main.ONOS3cli.set_cell( cell_name )
- main.step("Creating ONOS package")
+ main.step( "Creating ONOS package" )
package_result = main.ONOSbench.onos_package()
- main.step("Installing ONOS package")
- install1_result = main.ONOSbench.onos_install(node=ONOS1_ip)
- install2_result = main.ONOSbench.onos_install(node=ONOS2_ip)
- install3_result = main.ONOSbench.onos_install(node=ONOS3_ip)
+ main.step( "Installing ONOS package" )
+ install1_result = main.ONOSbench.onos_install( node=ONOS1_ip )
+ install2_result = main.ONOSbench.onos_install( node=ONOS2_ip )
+ install3_result = main.ONOSbench.onos_install( node=ONOS3_ip )
- time.sleep(10)
+ time.sleep( 10 )
- main.step("Start onos cli")
- cli1 = main.ONOS1cli.start_onos_cli(ONOS1_ip)
- cli2 = main.ONOS2cli.start_onos_cli(ONOS2_ip)
- cli3 = main.ONOS3cli.start_onos_cli(ONOS3_ip)
+ main.step( "Start onos cli" )
+ cli1 = main.ONOS1cli.start_onos_cli( ONOS1_ip )
+ cli2 = main.ONOS2cli.start_onos_cli( ONOS2_ip )
+ cli3 = main.ONOS3cli.start_onos_cli( ONOS3_ip )
- utilities.assert_equals(expect=main.TRUE,
- actual= cell_file_result and cell_apply_result and\
- verify_cell_result and checkout_result and\
- pull_result and mvn_result and\
- install1_result and install2_result and\
- install3_result,
- onpass="Test Environment setup successful",
- onfail="Failed to setup test environment")
+ utilities.assert_equals( expect=main.TRUE,
+ actual=cell_file_result and cell_apply_result and
+ verify_cell_result and checkout_result and
+ pull_result and mvn_result and
+ install1_result and install2_result and
+ install3_result,
+ onpass="Test Environment setup successful",
+ onfail="Failed to setup test environment" )
- def CASE2(self, main):
- '''
+ def CASE2( self, main ):
+ """
Assign s1 to ONOS1 and measure latency
-
+
There are 4 levels of latency measurements to this test:
- 1) End-to-end measurement: Complete end-to-end measurement
- from TCP (SYN/ACK) handshake to Graph change
- 2) OFP-to-graph measurement: 'ONOS processing' snippet of
+ 1 ) End-to-end measurement: Complete end-to-end measurement
+ from TCP ( SYN/ACK ) handshake to Graph change
+ 2 ) OFP-to-graph measurement: 'ONOS processing' snippet of
measurement from OFP Vendor message to Graph change
- 3) OFP-to-device measurement: 'ONOS processing without
+ 3 ) OFP-to-device measurement: 'ONOS processing without
graph change' snippet of measurement from OFP vendor
message to Device change timestamp
- 4) T0-to-device measurement: Measurement that includes
- the switch handshake to devices timestamp without
- the graph view change. (TCP handshake -> Device
- change)
- '''
+ 4 ) T0-to-device measurement: Measurement that includes
+ the switch handshake to devices timestamp without
+ the graph view change. ( TCP handshake -> Device
+ change )
+ """
import time
import subprocess
import json
@@ -148,414 +150,436 @@
import os
import numpy
- ONOS1_ip = main.params['CTRL']['ip1']
- ONOS2_ip = main.params['CTRL']['ip2']
- ONOS3_ip = main.params['CTRL']['ip3']
- ONOS_user = main.params['CTRL']['user']
+ ONOS1_ip = main.params[ 'CTRL' ][ 'ip1' ]
+ ONOS2_ip = main.params[ 'CTRL' ][ 'ip2' ]
+ ONOS3_ip = main.params[ 'CTRL' ][ 'ip3' ]
+ ONOS_user = main.params[ 'CTRL' ][ 'user' ]
- default_sw_port = main.params['CTRL']['port1']
-
- #Number of iterations of case
- num_iter = main.params['TEST']['numIter']
- #Number of first 'x' iterations to ignore:
- iter_ignore = int(main.params['TEST']['iterIgnore'])
+ default_sw_port = main.params[ 'CTRL' ][ 'port1' ]
- #Timestamp 'keys' for json metrics output.
- #These are subject to change, hence moved into params
- deviceTimestamp = main.params['JSON']['deviceTimestamp']
- graphTimestamp = main.params['JSON']['graphTimestamp']
+ # Number of iterations of case
+ num_iter = main.params[ 'TEST' ][ 'numIter' ]
+ # Number of first 'x' iterations to ignore:
+ iter_ignore = int( main.params[ 'TEST' ][ 'iterIgnore' ] )
- debug_mode = main.params['TEST']['debugMode']
- onos_log = main.params['TEST']['onosLogFile']
+ # Timestamp 'keys' for json metrics output.
+ # These are subject to change, hence moved into params
+ deviceTimestamp = main.params[ 'JSON' ][ 'deviceTimestamp' ]
+ graphTimestamp = main.params[ 'JSON' ][ 'graphTimestamp' ]
- #Threshold for the test
- threshold_str = main.params['TEST']['singleSwThreshold']
- threshold_obj = threshold_str.split(",")
- threshold_min = int(threshold_obj[0])
- threshold_max = int(threshold_obj[1])
+ debug_mode = main.params[ 'TEST' ][ 'debugMode' ]
+ onos_log = main.params[ 'TEST' ][ 'onosLogFile' ]
- #List of switch add latency collected from
- #all iterations
+ # Threshold for the test
+ threshold_str = main.params[ 'TEST' ][ 'singleSwThreshold' ]
+ threshold_obj = threshold_str.split( "," )
+ threshold_min = int( threshold_obj[ 0 ] )
+ threshold_max = int( threshold_obj[ 1 ] )
+
+ # List of switch add latency collected from
+ # all iterations
latency_end_to_end_list = []
latency_ofp_to_graph_list = []
latency_ofp_to_device_list = []
latency_t0_to_device_list = []
latency_tcp_to_ofp_list = []
- #Directory/file to store tshark results
+ # Directory/file to store tshark results
tshark_of_output = "/tmp/tshark_of_topo.txt"
tshark_tcp_output = "/tmp/tshark_tcp_topo.txt"
- #String to grep in tshark output
- tshark_tcp_string = "TCP 74 "+default_sw_port
+ # String to grep in tshark output
+ tshark_tcp_string = "TCP 74 " + default_sw_port
tshark_of_string = "OFP 86 Vendor"
-
- #Initialize assertion to TRUE
+
+ # Initialize assertion to TRUE
assertion = main.TRUE
-
- local_time = time.strftime('%x %X')
- local_time = local_time.replace("/","")
- local_time = local_time.replace(" ","_")
- local_time = local_time.replace(":","")
+
+ local_time = time.strftime( '%x %X' )
+ local_time = local_time.replace( "/", "" )
+ local_time = local_time.replace( " ", "_" )
+ local_time = local_time.replace( ":", "" )
if debug_mode == 'on':
- main.ONOS1.tshark_pcap("eth0",
- "/tmp/single_sw_lat_pcap_"+local_time)
+ main.ONOS1.tshark_pcap( "eth0",
+ "/tmp/single_sw_lat_pcap_" + local_time )
- main.log.info("TEST")
+ main.log.info( "TEST" )
- main.log.report("Latency of adding one switch to controller")
- main.log.report("First "+str(iter_ignore)+" iterations ignored"+
- " for jvm warmup time")
- main.log.report("Total iterations of test: "+str(num_iter))
+ main.log.report( "Latency of adding one switch to controller" )
+ main.log.report(
+ "First " +
+ str( iter_ignore ) +
+ " iterations ignored" +
+ " for jvm warmup time" )
+ main.log.report( "Total iterations of test: " + str( num_iter ) )
- for i in range(0, int(num_iter)):
- main.log.info("Starting tshark capture")
+ for i in range( 0, int( num_iter ) ):
+ main.log.info( "Starting tshark capture" )
- #* TCP [ACK, SYN] is used as t0_a, the
- # very first "exchange" between ONOS and
+ #* TCP [ ACK, SYN ] is used as t0_a, the
+ # very first "exchange" between ONOS and
# the switch for end-to-end measurement
- #* OFP [Stats Reply] is used for t0_b
+ #* OFP [ Stats Reply ] is used for t0_b
# the very last OFP message between ONOS
# and the switch for ONOS measurement
- main.ONOS1.tshark_grep(tshark_tcp_string,
- tshark_tcp_output)
- main.ONOS1.tshark_grep(tshark_of_string,
- tshark_of_output)
+ main.ONOS1.tshark_grep( tshark_tcp_string,
+ tshark_tcp_output )
+ main.ONOS1.tshark_grep( tshark_of_string,
+ tshark_of_output )
- #Wait and ensure tshark is started and
- #capturing
- time.sleep(10)
+ # Wait and ensure tshark is started and
+ # capturing
+ time.sleep( 10 )
- main.log.info("Assigning s1 to controller")
+ main.log.info( "Assigning s1 to controller" )
- main.Mininet1.assign_sw_controller(sw="1",
- ip1=ONOS1_ip, port1=default_sw_port)
+ main.Mininet1.assign_sw_controller(
+ sw="1",
+ ip1=ONOS1_ip,
+ port1=default_sw_port )
- #Wait and ensure switch is assigned
- #before stopping tshark
- time.sleep(30)
-
- main.log.info("Stopping all Tshark processes")
+ # Wait and ensure switch is assigned
+ # before stopping tshark
+ time.sleep( 30 )
+
+ main.log.info( "Stopping all Tshark processes" )
main.ONOS1.stop_tshark()
- #tshark output is saved in ONOS. Use subprocess
- #to copy over files to TestON for parsing
- main.log.info("Copying over tshark files")
-
- #TCP CAPTURE ****
- #Copy the tshark output from ONOS machine to
- #TestON machine in tshark_tcp_output directory>file
- os.system("scp "+ONOS_user+"@"+ONOS1_ip+":"+
- tshark_tcp_output+" /tmp/")
- tcp_file = open(tshark_tcp_output, 'r')
- temp_text = tcp_file.readline()
- temp_text = temp_text.split(" ")
+ # tshark output is saved in ONOS. Use subprocess
+ # to copy over files to TestON for parsing
+ main.log.info( "Copying over tshark files" )
- main.log.info("Object read in from TCP capture: "+
- str(temp_text))
- if len(temp_text) > 1:
- t0_tcp = float(temp_text[1])*1000.0
+ # TCP CAPTURE ****
+ # Copy the tshark output from ONOS machine to
+ # TestON machine in tshark_tcp_output directory>file
+ os.system( "scp " + ONOS_user + "@" + ONOS1_ip + ":" +
+ tshark_tcp_output + " /tmp/" )
+ tcp_file = open( tshark_tcp_output, 'r' )
+ temp_text = tcp_file.readline()
+ temp_text = temp_text.split( " " )
+
+ main.log.info( "Object read in from TCP capture: " +
+ str( temp_text ) )
+ if len( temp_text ) > 1:
+ t0_tcp = float( temp_text[ 1 ] ) * 1000.0
else:
- main.log.error("Tshark output file for TCP"+
- " returned unexpected results")
+ main.log.error( "Tshark output file for TCP" +
+ " returned unexpected results" )
t0_tcp = 0
assertion = main.FALSE
-
+
tcp_file.close()
#****************
- #OF CAPTURE ****
- os.system("scp "+ONOS_user+"@"+ONOS1_ip+":"+
- tshark_of_output+" /tmp/")
- of_file = open(tshark_of_output, 'r')
-
+ # OF CAPTURE ****
+ os.system( "scp " + ONOS_user + "@" + ONOS1_ip + ":" +
+ tshark_of_output + " /tmp/" )
+ of_file = open( tshark_of_output, 'r' )
+
line_ofp = ""
- #Read until last line of file
+ # Read until last line of file
while True:
temp_text = of_file.readline()
- if temp_text !='':
+ if temp_text != '':
line_ofp = temp_text
else:
- break
- obj = line_ofp.split(" ")
-
- main.log.info("Object read in from OFP capture: "+
- str(line_ofp))
-
- if len(line_ofp) > 1:
- t0_ofp = float(obj[1])*1000.0
+ break
+ obj = line_ofp.split( " " )
+
+ main.log.info( "Object read in from OFP capture: " +
+ str( line_ofp ) )
+
+ if len( line_ofp ) > 1:
+ t0_ofp = float( obj[ 1 ] ) * 1000.0
else:
- main.log.error("Tshark output file for OFP"+
- " returned unexpected results")
+ main.log.error( "Tshark output file for OFP" +
+ " returned unexpected results" )
t0_ofp = 0
assertion = main.FALSE
-
+
of_file.close()
#****************
-
+
json_str_1 = main.ONOS1cli.topology_events_metrics()
json_str_2 = main.ONOS2cli.topology_events_metrics()
json_str_3 = main.ONOS3cli.topology_events_metrics()
- json_obj_1 = json.loads(json_str_1)
- json_obj_2 = json.loads(json_str_2)
- json_obj_3 = json.loads(json_str_3)
+ json_obj_1 = json.loads( json_str_1 )
+ json_obj_2 = json.loads( json_str_2 )
+ json_obj_3 = json.loads( json_str_3 )
- #Obtain graph timestamp. This timestsamp captures
- #the epoch time at which the topology graph was updated.
+ # Obtain graph timestamp. This timestsamp captures
+ # the epoch time at which the topology graph was updated.
graph_timestamp_1 = \
- json_obj_1[graphTimestamp]['value']
+ json_obj_1[ graphTimestamp ][ 'value' ]
graph_timestamp_2 = \
- json_obj_2[graphTimestamp]['value']
+ json_obj_2[ graphTimestamp ][ 'value' ]
graph_timestamp_3 = \
- json_obj_3[graphTimestamp]['value']
+ json_obj_3[ graphTimestamp ][ 'value' ]
- #Obtain device timestamp. This timestamp captures
- #the epoch time at which the device event happened
+ # Obtain device timestamp. This timestamp captures
+ # the epoch time at which the device event happened
device_timestamp_1 = \
- json_obj_1[deviceTimestamp]['value']
+ json_obj_1[ deviceTimestamp ][ 'value' ]
device_timestamp_2 = \
- json_obj_2[deviceTimestamp]['value']
+ json_obj_2[ deviceTimestamp ][ 'value' ]
device_timestamp_3 = \
- json_obj_3[deviceTimestamp]['value']
+ json_obj_3[ deviceTimestamp ][ 'value' ]
- #t0 to device processing latency
- delta_device_1 = int(device_timestamp_1) - int(t0_tcp)
- delta_device_2 = int(device_timestamp_2) - int(t0_tcp)
- delta_device_3 = int(device_timestamp_3) - int(t0_tcp)
-
- #Get average of delta from all instances
+ # t0 to device processing latency
+ delta_device_1 = int( device_timestamp_1 ) - int( t0_tcp )
+ delta_device_2 = int( device_timestamp_2 ) - int( t0_tcp )
+ delta_device_3 = int( device_timestamp_3 ) - int( t0_tcp )
+
+ # Get average of delta from all instances
avg_delta_device = \
- (int(delta_device_1)+\
- int(delta_device_2)+\
- int(delta_device_3)) / 3
+ ( int( delta_device_1 ) +
+ int( delta_device_2 ) +
+ int( delta_device_3 ) ) / 3
- #Ensure avg delta meets the threshold before appending
+ # Ensure avg delta meets the threshold before appending
if avg_delta_device > 0.0 and avg_delta_device < 10000\
- and int(i) > iter_ignore:
- latency_t0_to_device_list.append(avg_delta_device)
+ and int( i ) > iter_ignore:
+ latency_t0_to_device_list.append( avg_delta_device )
else:
- main.log.info("Results for t0-to-device ignored"+\
- "due to excess in threshold / warmup iteration.")
+ main.log.info(
+ "Results for t0-to-device ignored" +
+ "due to excess in threshold / warmup iteration." )
- #t0 to graph processing latency (end-to-end)
- delta_graph_1 = int(graph_timestamp_1) - int(t0_tcp)
- delta_graph_2 = int(graph_timestamp_2) - int(t0_tcp)
- delta_graph_3 = int(graph_timestamp_3) - int(t0_tcp)
-
- #Get average of delta from all instances
+ # t0 to graph processing latency ( end-to-end )
+ delta_graph_1 = int( graph_timestamp_1 ) - int( t0_tcp )
+ delta_graph_2 = int( graph_timestamp_2 ) - int( t0_tcp )
+ delta_graph_3 = int( graph_timestamp_3 ) - int( t0_tcp )
+
+ # Get average of delta from all instances
avg_delta_graph = \
- (int(delta_graph_1)+\
- int(delta_graph_2)+\
- int(delta_graph_3)) / 3
+ ( int( delta_graph_1 ) +
+ int( delta_graph_2 ) +
+ int( delta_graph_3 ) ) / 3
- #Ensure avg delta meets the threshold before appending
+ # Ensure avg delta meets the threshold before appending
if avg_delta_graph > 0.0 and avg_delta_graph < 10000\
- and int(i) > iter_ignore:
- latency_end_to_end_list.append(avg_delta_graph)
+ and int( i ) > iter_ignore:
+ latency_end_to_end_list.append( avg_delta_graph )
else:
- main.log.info("Results for end-to-end ignored"+\
- "due to excess in threshold")
+ main.log.info( "Results for end-to-end ignored" +
+ "due to excess in threshold" )
- #ofp to graph processing latency (ONOS processing)
- delta_ofp_graph_1 = int(graph_timestamp_1) - int(t0_ofp)
- delta_ofp_graph_2 = int(graph_timestamp_2) - int(t0_ofp)
- delta_ofp_graph_3 = int(graph_timestamp_3) - int(t0_ofp)
-
+ # ofp to graph processing latency ( ONOS processing )
+ delta_ofp_graph_1 = int( graph_timestamp_1 ) - int( t0_ofp )
+ delta_ofp_graph_2 = int( graph_timestamp_2 ) - int( t0_ofp )
+ delta_ofp_graph_3 = int( graph_timestamp_3 ) - int( t0_ofp )
+
avg_delta_ofp_graph = \
- (int(delta_ofp_graph_1)+\
- int(delta_ofp_graph_2)+\
- int(delta_ofp_graph_3)) / 3
-
+ ( int( delta_ofp_graph_1 ) +
+ int( delta_ofp_graph_2 ) +
+ int( delta_ofp_graph_3 ) ) / 3
+
if avg_delta_ofp_graph > threshold_min \
and avg_delta_ofp_graph < threshold_max\
- and int(i) > iter_ignore:
- latency_ofp_to_graph_list.append(avg_delta_ofp_graph)
- elif avg_delta_ofp_graph > (-10) and \
+ and int( i ) > iter_ignore:
+ latency_ofp_to_graph_list.append( avg_delta_ofp_graph )
+ elif avg_delta_ofp_graph > ( -10 ) and \
avg_delta_ofp_graph < 0.0 and\
- int(i) > iter_ignore:
- main.log.info("Sub-millisecond result likely; "+
- "negative result was rounded to 0")
- #NOTE: Current metrics framework does not
- #support sub-millisecond accuracy. Therefore,
- #if the result is negative, we can reasonably
- #conclude sub-millisecond results and just
- #append the best rounded effort - 0 ms.
- latency_ofp_to_graph_list.append(0)
+ int( i ) > iter_ignore:
+ main.log.info( "Sub-millisecond result likely; " +
+ "negative result was rounded to 0" )
+ # NOTE: Current metrics framework does not
+ # support sub-millisecond accuracy. Therefore,
+ # if the result is negative, we can reasonably
+ # conclude sub-millisecond results and just
+ # append the best rounded effort - 0 ms.
+ latency_ofp_to_graph_list.append( 0 )
else:
- main.log.info("Results for ofp-to-graph "+\
- "ignored due to excess in threshold")
+ main.log.info( "Results for ofp-to-graph " +
+ "ignored due to excess in threshold" )
- #ofp to device processing latency (ONOS processing)
- delta_ofp_device_1 = float(device_timestamp_1) - float(t0_ofp)
- delta_ofp_device_2 = float(device_timestamp_2) - float(t0_ofp)
- delta_ofp_device_3 = float(device_timestamp_3) - float(t0_ofp)
-
+ # ofp to device processing latency ( ONOS processing )
+ delta_ofp_device_1 = float( device_timestamp_1 ) - float( t0_ofp )
+ delta_ofp_device_2 = float( device_timestamp_2 ) - float( t0_ofp )
+ delta_ofp_device_3 = float( device_timestamp_3 ) - float( t0_ofp )
+
avg_delta_ofp_device = \
- (float(delta_ofp_device_1)+\
- float(delta_ofp_device_2)+\
- float(delta_ofp_device_3)) / 3
-
- #NOTE: ofp - delta measurements are occasionally negative
- # due to system time misalignment.
- latency_ofp_to_device_list.append(avg_delta_ofp_device)
+ ( float( delta_ofp_device_1 ) +
+ float( delta_ofp_device_2 ) +
+ float( delta_ofp_device_3 ) ) / 3
- delta_ofp_tcp = int(t0_ofp) - int(t0_tcp)
+ # NOTE: ofp - delta measurements are occasionally negative
+ # due to system time misalignment.
+ latency_ofp_to_device_list.append( avg_delta_ofp_device )
+
+ delta_ofp_tcp = int( t0_ofp ) - int( t0_tcp )
if delta_ofp_tcp > threshold_min \
and delta_ofp_tcp < threshold_max and\
- int(i) > iter_ignore:
- latency_tcp_to_ofp_list.append(delta_ofp_tcp)
+ int( i ) > iter_ignore:
+ latency_tcp_to_ofp_list.append( delta_ofp_tcp )
else:
- main.log.info("Results fo tcp-to-ofp "+\
- "ignored due to excess in threshold")
+ main.log.info( "Results fo tcp-to-ofp " +
+ "ignored due to excess in threshold" )
- #TODO:
- #Fetch logs upon threshold excess
+ # TODO:
+ # Fetch logs upon threshold excess
- main.log.info("ONOS1 delta end-to-end: "+
- str(delta_graph_1) + " ms")
- main.log.info("ONOS2 delta end-to-end: "+
- str(delta_graph_2) + " ms")
- main.log.info("ONOS3 delta end-to-end: "+
- str(delta_graph_3) + " ms")
+ main.log.info( "ONOS1 delta end-to-end: " +
+ str( delta_graph_1 ) + " ms" )
+ main.log.info( "ONOS2 delta end-to-end: " +
+ str( delta_graph_2 ) + " ms" )
+ main.log.info( "ONOS3 delta end-to-end: " +
+ str( delta_graph_3 ) + " ms" )
- main.log.info("ONOS1 delta OFP - graph: "+
- str(delta_ofp_graph_1) + " ms")
- main.log.info("ONOS2 delta OFP - graph: "+
- str(delta_ofp_graph_2) + " ms")
- main.log.info("ONOS3 delta OFP - graph: "+
- str(delta_ofp_graph_3) + " ms")
-
- main.log.info("ONOS1 delta device - t0: "+
- str(delta_device_1) + " ms")
- main.log.info("ONOS2 delta device - t0: "+
- str(delta_device_2) + " ms")
- main.log.info("ONOS3 delta device - t0: "+
- str(delta_device_3) + " ms")
-
- main.log.info("TCP to OFP delta: "+
- str(delta_ofp_tcp) + " ms")
- #main.log.info("ONOS1 delta OFP - device: "+
- # str(delta_ofp_device_1) + " ms")
- #main.log.info("ONOS2 delta OFP - device: "+
- # str(delta_ofp_device_2) + " ms")
- #main.log.info("ONOS3 delta OFP - device: "+
- # str(delta_ofp_device_3) + " ms")
+ main.log.info( "ONOS1 delta OFP - graph: " +
+ str( delta_ofp_graph_1 ) + " ms" )
+ main.log.info( "ONOS2 delta OFP - graph: " +
+ str( delta_ofp_graph_2 ) + " ms" )
+ main.log.info( "ONOS3 delta OFP - graph: " +
+ str( delta_ofp_graph_3 ) + " ms" )
- main.step("Remove switch from controller")
- main.Mininet1.delete_sw_controller("s1")
+ main.log.info( "ONOS1 delta device - t0: " +
+ str( delta_device_1 ) + " ms" )
+ main.log.info( "ONOS2 delta device - t0: " +
+ str( delta_device_2 ) + " ms" )
+ main.log.info( "ONOS3 delta device - t0: " +
+ str( delta_device_3 ) + " ms" )
- time.sleep(5)
+ main.log.info( "TCP to OFP delta: " +
+ str( delta_ofp_tcp ) + " ms" )
+ # main.log.info( "ONOS1 delta OFP - device: "+
+ # str( delta_ofp_device_1 ) + " ms" )
+ # main.log.info( "ONOS2 delta OFP - device: "+
+ # str( delta_ofp_device_2 ) + " ms" )
+ # main.log.info( "ONOS3 delta OFP - device: "+
+ # str( delta_ofp_device_3 ) + " ms" )
- #END of for loop iteration
+ main.step( "Remove switch from controller" )
+ main.Mininet1.delete_sw_controller( "s1" )
- #If there is at least 1 element in each list,
- #pass the test case
- if len(latency_end_to_end_list) > 0 and\
- len(latency_ofp_to_graph_list) > 0 and\
- len(latency_ofp_to_device_list) > 0 and\
- len(latency_t0_to_device_list) > 0 and\
- len(latency_tcp_to_ofp_list) > 0:
+ time.sleep( 5 )
+
+ # END of for loop iteration
+
+ # If there is at least 1 element in each list,
+ # pass the test case
+ if len( latency_end_to_end_list ) > 0 and\
+ len( latency_ofp_to_graph_list ) > 0 and\
+ len( latency_ofp_to_device_list ) > 0 and\
+ len( latency_t0_to_device_list ) > 0 and\
+ len( latency_tcp_to_ofp_list ) > 0:
assertion = main.TRUE
- elif len(latency_end_to_end_list) == 0:
- #The appending of 0 here is to prevent
- #the min,max,sum functions from failing
- #below
- latency_end_to_end_list.append(0)
+ elif len( latency_end_to_end_list ) == 0:
+ # The appending of 0 here is to prevent
+ # the min,max,sum functions from failing
+ # below
+ latency_end_to_end_list.append( 0 )
assertion = main.FALSE
- elif len(latency_ofp_to_graph_list) == 0:
- latency_ofp_to_graph_list.append(0)
+ elif len( latency_ofp_to_graph_list ) == 0:
+ latency_ofp_to_graph_list.append( 0 )
assertion = main.FALSE
- elif len(latency_ofp_to_device_list) == 0:
- latency_ofp_to_device_list.append(0)
+ elif len( latency_ofp_to_device_list ) == 0:
+ latency_ofp_to_device_list.append( 0 )
assertion = main.FALSE
- elif len(latency_t0_to_device_list) == 0:
- latency_t0_to_device_list.append(0)
+ elif len( latency_t0_to_device_list ) == 0:
+ latency_t0_to_device_list.append( 0 )
assertion = main.FALSE
- elif len(latency_tcp_to_ofp_list) == 0:
- latency_tcp_to_ofp_list.append(0)
+ elif len( latency_tcp_to_ofp_list ) == 0:
+ latency_tcp_to_ofp_list.append( 0 )
assertion = main.FALSE
- #Calculate min, max, avg of latency lists
+ # Calculate min, max, avg of latency lists
latency_end_to_end_max = \
- int(max(latency_end_to_end_list))
+ int( max( latency_end_to_end_list ) )
latency_end_to_end_min = \
- int(min(latency_end_to_end_list))
+ int( min( latency_end_to_end_list ) )
latency_end_to_end_avg = \
- (int(sum(latency_end_to_end_list)) / \
- len(latency_end_to_end_list))
+ ( int( sum( latency_end_to_end_list ) ) /
+ len( latency_end_to_end_list ) )
latency_end_to_end_std_dev = \
- str(round(numpy.std(latency_end_to_end_list),1))
+ str( round( numpy.std( latency_end_to_end_list ), 1 ) )
latency_ofp_to_graph_max = \
- int(max(latency_ofp_to_graph_list))
+ int( max( latency_ofp_to_graph_list ) )
latency_ofp_to_graph_min = \
- int(min(latency_ofp_to_graph_list))
+ int( min( latency_ofp_to_graph_list ) )
latency_ofp_to_graph_avg = \
- (int(sum(latency_ofp_to_graph_list)) / \
- len(latency_ofp_to_graph_list))
+ ( int( sum( latency_ofp_to_graph_list ) ) /
+ len( latency_ofp_to_graph_list ) )
latency_ofp_to_graph_std_dev = \
- str(round(numpy.std(latency_ofp_to_graph_list),1))
+ str( round( numpy.std( latency_ofp_to_graph_list ), 1 ) )
latency_ofp_to_device_max = \
- int(max(latency_ofp_to_device_list))
+ int( max( latency_ofp_to_device_list ) )
latency_ofp_to_device_min = \
- int(min(latency_ofp_to_device_list))
+ int( min( latency_ofp_to_device_list ) )
latency_ofp_to_device_avg = \
- (int(sum(latency_ofp_to_device_list)) / \
- len(latency_ofp_to_device_list))
+ ( int( sum( latency_ofp_to_device_list ) ) /
+ len( latency_ofp_to_device_list ) )
latency_ofp_to_device_std_dev = \
- str(round(numpy.std(latency_ofp_to_device_list),1))
+ str( round( numpy.std( latency_ofp_to_device_list ), 1 ) )
latency_t0_to_device_max = \
- int(max(latency_t0_to_device_list))
+ int( max( latency_t0_to_device_list ) )
latency_t0_to_device_min = \
- int(min(latency_t0_to_device_list))
+ int( min( latency_t0_to_device_list ) )
latency_t0_to_device_avg = \
- (int(sum(latency_t0_to_device_list)) / \
- len(latency_t0_to_device_list))
+ ( int( sum( latency_t0_to_device_list ) ) /
+ len( latency_t0_to_device_list ) )
latency_ofp_to_device_std_dev = \
- str(round(numpy.std(latency_t0_to_device_list),1))
+ str( round( numpy.std( latency_t0_to_device_list ), 1 ) )
latency_tcp_to_ofp_max = \
- int(max(latency_tcp_to_ofp_list))
+ int( max( latency_tcp_to_ofp_list ) )
latency_tcp_to_ofp_min = \
- int(min(latency_tcp_to_ofp_list))
+ int( min( latency_tcp_to_ofp_list ) )
latency_tcp_to_ofp_avg = \
- (int(sum(latency_tcp_to_ofp_list)) / \
- len(latency_tcp_to_ofp_list))
+ ( int( sum( latency_tcp_to_ofp_list ) ) /
+ len( latency_tcp_to_ofp_list ) )
latency_tcp_to_ofp_std_dev = \
- str(round(numpy.std(latency_tcp_to_ofp_list),1))
+ str( round( numpy.std( latency_tcp_to_ofp_list ), 1 ) )
- main.log.report("Switch add - End-to-end latency: "+\
- "Avg: "+str(latency_end_to_end_avg)+" ms "+
- "Std Deviation: "+latency_end_to_end_std_dev+" ms")
- main.log.report("Switch add - OFP-to-Graph latency: "+\
- "Note: results are not accurate to sub-millisecond. "+
- "Any sub-millisecond results are rounded to 0 ms. ")
- main.log.report("Avg: "+str(latency_ofp_to_graph_avg)+" ms "+
- "Std Deviation: "+latency_ofp_to_graph_std_dev+" ms")
- main.log.report("Switch add - TCP-to-OFP latency: "+\
- "Avg: "+str(latency_tcp_to_ofp_avg)+" ms "+
- "Std Deviation: "+latency_tcp_to_ofp_std_dev+" ms")
+ main.log.report(
+ "Switch add - End-to-end latency: " +
+ "Avg: " +
+ str( latency_end_to_end_avg ) +
+ " ms " +
+ "Std Deviation: " +
+ latency_end_to_end_std_dev +
+ " ms" )
+ main.log.report(
+ "Switch add - OFP-to-Graph latency: " +
+ "Note: results are not accurate to sub-millisecond. " +
+ "Any sub-millisecond results are rounded to 0 ms. " )
+ main.log.report(
+ "Avg: " +
+ str( latency_ofp_to_graph_avg ) +
+ " ms " +
+ "Std Deviation: " +
+ latency_ofp_to_graph_std_dev +
+ " ms" )
+ main.log.report(
+ "Switch add - TCP-to-OFP latency: " +
+ "Avg: " +
+ str( latency_tcp_to_ofp_avg ) +
+ " ms " +
+ "Std Deviation: " +
+ latency_tcp_to_ofp_std_dev +
+ " ms" )
if debug_mode == 'on':
- main.ONOS1.cp_logs_to_dir("/opt/onos/log/karaf.log",
- "/tmp/", copy_file_name="sw_lat_karaf")
+ main.ONOS1.cp_logs_to_dir( "/opt/onos/log/karaf.log",
+ "/tmp/", copy_file_name="sw_lat_karaf" )
- utilities.assert_equals(expect=main.TRUE, actual=assertion,
- onpass="Switch latency test successful",
- onfail="Switch latency test failed")
+ utilities.assert_equals( expect=main.TRUE, actual=assertion,
+ onpass="Switch latency test successful",
+ onfail="Switch latency test failed" )
- def CASE3(self, main):
- '''
+ def CASE3( self, main ):
+ """
Bring port up / down and measure latency.
Port enable / disable is simulated by ifconfig up / down
-
- In ONOS-next, we must ensure that the port we are
+
+ In ONOS-next, we must ensure that the port we are
manipulating is connected to another switch with a valid
connection. Otherwise, graph view will not be updated.
- '''
+ """
import time
import subprocess
import os
@@ -563,925 +587,961 @@
import json
import numpy
- ONOS1_ip = main.params['CTRL']['ip1']
- ONOS2_ip = main.params['CTRL']['ip2']
- ONOS3_ip = main.params['CTRL']['ip3']
- ONOS_user = main.params['CTRL']['user']
+ ONOS1_ip = main.params[ 'CTRL' ][ 'ip1' ]
+ ONOS2_ip = main.params[ 'CTRL' ][ 'ip2' ]
+ ONOS3_ip = main.params[ 'CTRL' ][ 'ip3' ]
+ ONOS_user = main.params[ 'CTRL' ][ 'user' ]
- default_sw_port = main.params['CTRL']['port1']
-
+ default_sw_port = main.params[ 'CTRL' ][ 'port1' ]
+
assertion = main.TRUE
- #Number of iterations of case
- num_iter = main.params['TEST']['numIter']
-
- #Timestamp 'keys' for json metrics output.
- #These are subject to change, hence moved into params
- deviceTimestamp = main.params['JSON']['deviceTimestamp']
- graphTimestamp = main.params['JSON']['graphTimestamp']
-
- debug_mode = main.params['TEST']['debugMode']
+ # Number of iterations of case
+ num_iter = main.params[ 'TEST' ][ 'numIter' ]
- local_time = time.strftime('%x %X')
- local_time = local_time.replace("/","")
- local_time = local_time.replace(" ","_")
- local_time = local_time.replace(":","")
+ # Timestamp 'keys' for json metrics output.
+ # These are subject to change, hence moved into params
+ deviceTimestamp = main.params[ 'JSON' ][ 'deviceTimestamp' ]
+ graphTimestamp = main.params[ 'JSON' ][ 'graphTimestamp' ]
+
+ debug_mode = main.params[ 'TEST' ][ 'debugMode' ]
+
+ local_time = time.strftime( '%x %X' )
+ local_time = local_time.replace( "/", "" )
+ local_time = local_time.replace( " ", "_" )
+ local_time = local_time.replace( ":", "" )
if debug_mode == 'on':
- main.ONOS1.tshark_pcap("eth0",
- "/tmp/port_lat_pcap_"+local_time)
+ main.ONOS1.tshark_pcap( "eth0",
+ "/tmp/port_lat_pcap_" + local_time )
- #Threshold for this test case
- up_threshold_str = main.params['TEST']['portUpThreshold']
- down_threshold_str = main.params['TEST']['portDownThreshold']
-
- up_threshold_obj = up_threshold_str.split(",")
- down_threshold_obj = down_threshold_str.split(",")
+ # Threshold for this test case
+ up_threshold_str = main.params[ 'TEST' ][ 'portUpThreshold' ]
+ down_threshold_str = main.params[ 'TEST' ][ 'portDownThreshold' ]
- up_threshold_min = int(up_threshold_obj[0])
- up_threshold_max = int(up_threshold_obj[1])
+ up_threshold_obj = up_threshold_str.split( "," )
+ down_threshold_obj = down_threshold_str.split( "," )
- down_threshold_min = int(down_threshold_obj[0])
- down_threshold_max = int(down_threshold_obj[1])
+ up_threshold_min = int( up_threshold_obj[ 0 ] )
+ up_threshold_max = int( up_threshold_obj[ 1 ] )
- #NOTE: Some hardcoded variables you may need to configure
+ down_threshold_min = int( down_threshold_obj[ 0 ] )
+ down_threshold_max = int( down_threshold_obj[ 1 ] )
+
+ # NOTE: Some hardcoded variables you may need to configure
# besides the params
-
+
tshark_port_status = "OFP 130 Port Status"
tshark_port_up = "/tmp/tshark_port_up.txt"
tshark_port_down = "/tmp/tshark_port_down.txt"
interface_config = "s1-eth1"
- main.log.report("Port enable / disable latency")
- main.log.report("Simulated by ifconfig up / down")
- main.log.report("Total iterations of test: "+str(num_iter))
+ main.log.report( "Port enable / disable latency" )
+ main.log.report( "Simulated by ifconfig up / down" )
+ main.log.report( "Total iterations of test: " + str( num_iter ) )
- main.step("Assign switches s1 and s2 to controller 1")
- main.Mininet1.assign_sw_controller(sw="1",ip1=ONOS1_ip,
- port1=default_sw_port)
- main.Mininet1.assign_sw_controller(sw="2",ip1=ONOS1_ip,
- port1=default_sw_port)
+ main.step( "Assign switches s1 and s2 to controller 1" )
+ main.Mininet1.assign_sw_controller( sw="1", ip1=ONOS1_ip,
+ port1=default_sw_port )
+ main.Mininet1.assign_sw_controller( sw="2", ip1=ONOS1_ip,
+ port1=default_sw_port )
- #Give enough time for metrics to propagate the
- #assign controller event. Otherwise, these events may
- #carry over to our measurements
- time.sleep(15)
+ # Give enough time for metrics to propagate the
+ # assign controller event. Otherwise, these events may
+ # carry over to our measurements
+ time.sleep( 15 )
port_up_device_to_ofp_list = []
port_up_graph_to_ofp_list = []
port_down_device_to_ofp_list = []
port_down_graph_to_ofp_list = []
- for i in range(0, int(num_iter)):
- main.step("Starting wireshark capture for port status down")
- main.ONOS1.tshark_grep(tshark_port_status,
- tshark_port_down)
-
- time.sleep(5)
+ for i in range( 0, int( num_iter ) ):
+ main.step( "Starting wireshark capture for port status down" )
+ main.ONOS1.tshark_grep( tshark_port_status,
+ tshark_port_down )
- #Disable interface that is connected to switch 2
- main.step("Disable port: "+interface_config)
- main.Mininet1.handle.sendline("sh ifconfig "+
- interface_config+" down")
- main.Mininet1.handle.expect("mininet>")
+ time.sleep( 5 )
- time.sleep(3)
+ # Disable interface that is connected to switch 2
+ main.step( "Disable port: " + interface_config )
+ main.Mininet1.handle.sendline( "sh ifconfig " +
+ interface_config + " down" )
+ main.Mininet1.handle.expect( "mininet>" )
+
+ time.sleep( 3 )
main.ONOS1.tshark_stop()
-
- main.step("Obtain t1 by metrics call")
+
+ main.step( "Obtain t1 by metrics call" )
json_str_up_1 = main.ONOS1cli.topology_events_metrics()
json_str_up_2 = main.ONOS2cli.topology_events_metrics()
json_str_up_3 = main.ONOS3cli.topology_events_metrics()
- json_obj_1 = json.loads(json_str_up_1)
- json_obj_2 = json.loads(json_str_up_2)
- json_obj_3 = json.loads(json_str_up_3)
-
- #Copy tshark output file from ONOS to TestON instance
- #/tmp directory
- os.system("scp "+ONOS_user+"@"+ONOS1_ip+":"+
- tshark_port_down+" /tmp/")
+ json_obj_1 = json.loads( json_str_up_1 )
+ json_obj_2 = json.loads( json_str_up_2 )
+ json_obj_3 = json.loads( json_str_up_3 )
- f_port_down = open(tshark_port_down, 'r')
- #Get first line of port down event from tshark
+ # Copy tshark output file from ONOS to TestON instance
+ #/tmp directory
+ os.system( "scp " + ONOS_user + "@" + ONOS1_ip + ":" +
+ tshark_port_down + " /tmp/" )
+
+ f_port_down = open( tshark_port_down, 'r' )
+ # Get first line of port down event from tshark
f_line = f_port_down.readline()
- obj_down = f_line.split(" ")
- if len(f_line) > 0:
- timestamp_begin_pt_down = int(float(obj_down[1])*1000)
- main.log.info("Port down begin timestamp: "+
- str(timestamp_begin_pt_down))
+ obj_down = f_line.split( " " )
+ if len( f_line ) > 0:
+ timestamp_begin_pt_down = int( float( obj_down[ 1 ] ) * 1000 )
+ main.log.info( "Port down begin timestamp: " +
+ str( timestamp_begin_pt_down ) )
else:
- main.log.info("Tshark output file returned unexpected"+
- " results: "+str(obj_down))
+ main.log.info( "Tshark output file returned unexpected" +
+ " results: " + str( obj_down ) )
timestamp_begin_pt_down = 0
-
+
f_port_down.close()
- main.log.info("TEST tshark obj: "+str(obj_down))
+ main.log.info( "TEST tshark obj: " + str( obj_down ) )
- time.sleep(3)
+ time.sleep( 3 )
- #Obtain graph timestamp. This timestsamp captures
- #the epoch time at which the topology graph was updated.
+ # Obtain graph timestamp. This timestsamp captures
+ # the epoch time at which the topology graph was updated.
graph_timestamp_1 = \
- json_obj_1[graphTimestamp]['value']
+ json_obj_1[ graphTimestamp ][ 'value' ]
graph_timestamp_2 = \
- json_obj_2[graphTimestamp]['value']
+ json_obj_2[ graphTimestamp ][ 'value' ]
graph_timestamp_3 = \
- json_obj_3[graphTimestamp]['value']
+ json_obj_3[ graphTimestamp ][ 'value' ]
- main.log.info("TEST graph timestamp ONOS1: "+
- str(graph_timestamp_1))
+ main.log.info( "TEST graph timestamp ONOS1: " +
+ str( graph_timestamp_1 ) )
- #Obtain device timestamp. This timestamp captures
- #the epoch time at which the device event happened
+ # Obtain device timestamp. This timestamp captures
+ # the epoch time at which the device event happened
device_timestamp_1 = \
- json_obj_1[deviceTimestamp]['value']
+ json_obj_1[ deviceTimestamp ][ 'value' ]
device_timestamp_2 = \
- json_obj_2[deviceTimestamp]['value']
+ json_obj_2[ deviceTimestamp ][ 'value' ]
device_timestamp_3 = \
- json_obj_3[deviceTimestamp]['value']
+ json_obj_3[ deviceTimestamp ][ 'value' ]
- #Get delta between graph event and OFP
- pt_down_graph_to_ofp_1 = int(graph_timestamp_1) -\
- int(timestamp_begin_pt_down)
- pt_down_graph_to_ofp_2 = int(graph_timestamp_2) -\
- int(timestamp_begin_pt_down)
- pt_down_graph_to_ofp_3 = int(graph_timestamp_3) -\
- int(timestamp_begin_pt_down)
+ # Get delta between graph event and OFP
+ pt_down_graph_to_ofp_1 = int( graph_timestamp_1 ) -\
+ int( timestamp_begin_pt_down )
+ pt_down_graph_to_ofp_2 = int( graph_timestamp_2 ) -\
+ int( timestamp_begin_pt_down )
+ pt_down_graph_to_ofp_3 = int( graph_timestamp_3 ) -\
+ int( timestamp_begin_pt_down )
- #Get delta between device event and OFP
- pt_down_device_to_ofp_1 = int(device_timestamp_1) -\
- int(timestamp_begin_pt_down)
- pt_down_device_to_ofp_2 = int(device_timestamp_2) -\
- int(timestamp_begin_pt_down)
- pt_down_device_to_ofp_3 = int(device_timestamp_3) -\
- int(timestamp_begin_pt_down)
-
- #Caluclate average across clusters
+ # Get delta between device event and OFP
+ pt_down_device_to_ofp_1 = int( device_timestamp_1 ) -\
+ int( timestamp_begin_pt_down )
+ pt_down_device_to_ofp_2 = int( device_timestamp_2 ) -\
+ int( timestamp_begin_pt_down )
+ pt_down_device_to_ofp_3 = int( device_timestamp_3 ) -\
+ int( timestamp_begin_pt_down )
+
+ # Caluclate average across clusters
pt_down_graph_to_ofp_avg =\
- (int(pt_down_graph_to_ofp_1) +
- int(pt_down_graph_to_ofp_2) +
- int(pt_down_graph_to_ofp_3)) / 3
+ ( int( pt_down_graph_to_ofp_1 ) +
+ int( pt_down_graph_to_ofp_2 ) +
+ int( pt_down_graph_to_ofp_3 ) ) / 3
pt_down_device_to_ofp_avg = \
- (int(pt_down_device_to_ofp_1) +
- int(pt_down_device_to_ofp_2) +
- int(pt_down_device_to_ofp_3)) / 3
+ ( int( pt_down_device_to_ofp_1 ) +
+ int( pt_down_device_to_ofp_2 ) +
+ int( pt_down_device_to_ofp_3 ) ) / 3
if pt_down_graph_to_ofp_avg > down_threshold_min and \
pt_down_graph_to_ofp_avg < down_threshold_max:
port_down_graph_to_ofp_list.append(
- pt_down_graph_to_ofp_avg)
- main.log.info("Port down: graph to ofp avg: "+
- str(pt_down_graph_to_ofp_avg) + " ms")
+ pt_down_graph_to_ofp_avg )
+ main.log.info( "Port down: graph to ofp avg: " +
+ str( pt_down_graph_to_ofp_avg ) + " ms" )
else:
- main.log.info("Average port down graph-to-ofp result" +
- " exceeded the threshold: "+
- str(pt_down_graph_to_ofp_avg))
+ main.log.info( "Average port down graph-to-ofp result" +
+ " exceeded the threshold: " +
+ str( pt_down_graph_to_ofp_avg ) )
if pt_down_device_to_ofp_avg > 0 and \
pt_down_device_to_ofp_avg < 1000:
port_down_device_to_ofp_list.append(
- pt_down_device_to_ofp_avg)
- main.log.info("Port down: device to ofp avg: "+
- str(pt_down_device_to_ofp_avg) + " ms")
+ pt_down_device_to_ofp_avg )
+ main.log.info( "Port down: device to ofp avg: " +
+ str( pt_down_device_to_ofp_avg ) + " ms" )
else:
- main.log.info("Average port down device-to-ofp result" +
- " exceeded the threshold: "+
- str(pt_down_device_to_ofp_avg))
+ main.log.info( "Average port down device-to-ofp result" +
+ " exceeded the threshold: " +
+ str( pt_down_device_to_ofp_avg ) )
- #Port up events
- main.step("Enable port and obtain timestamp")
- main.step("Starting wireshark capture for port status up")
- main.ONOS1.tshark_grep(tshark_port_status, tshark_port_up)
- time.sleep(5)
+ # Port up events
+ main.step( "Enable port and obtain timestamp" )
+ main.step( "Starting wireshark capture for port status up" )
+ main.ONOS1.tshark_grep( tshark_port_status, tshark_port_up )
+ time.sleep( 5 )
- main.Mininet1.handle.sendline("sh ifconfig "+
- interface_config+" up")
- main.Mininet1.handle.expect("mininet>")
-
- #Allow time for tshark to capture event
- time.sleep(3)
+ main.Mininet1.handle.sendline( "sh ifconfig " +
+ interface_config + " up" )
+ main.Mininet1.handle.expect( "mininet>" )
+
+ # Allow time for tshark to capture event
+ time.sleep( 3 )
main.ONOS1.tshark_stop()
- #Obtain metrics shortly afterwards
- #This timestsamp captures
- #the epoch time at which the topology graph was updated.
- main.step("Obtain t1 by REST call")
+ # Obtain metrics shortly afterwards
+ # This timestsamp captures
+ # the epoch time at which the topology graph was updated.
+ main.step( "Obtain t1 by REST call" )
json_str_up_1 = main.ONOS1cli.topology_events_metrics()
json_str_up_2 = main.ONOS2cli.topology_events_metrics()
json_str_up_3 = main.ONOS3cli.topology_events_metrics()
-
- json_obj_1 = json.loads(json_str_up_1)
- json_obj_2 = json.loads(json_str_up_2)
- json_obj_3 = json.loads(json_str_up_3)
- os.system("scp "+ONOS_user+"@"+ONOS1_ip+":"+
- tshark_port_up+" /tmp/")
+ json_obj_1 = json.loads( json_str_up_1 )
+ json_obj_2 = json.loads( json_str_up_2 )
+ json_obj_3 = json.loads( json_str_up_3 )
- f_port_up = open(tshark_port_up, 'r')
+ os.system( "scp " + ONOS_user + "@" + ONOS1_ip + ":" +
+ tshark_port_up + " /tmp/" )
+
+ f_port_up = open( tshark_port_up, 'r' )
f_line = f_port_up.readline()
- obj_up = f_line.split(" ")
- if len(f_line) > 0:
- timestamp_begin_pt_up = int(float(obj_up[1])*1000)
- main.log.info("Port up begin timestamp: "+
- str(timestamp_begin_pt_up))
+ obj_up = f_line.split( " " )
+ if len( f_line ) > 0:
+ timestamp_begin_pt_up = int( float( obj_up[ 1 ] ) * 1000 )
+ main.log.info( "Port up begin timestamp: " +
+ str( timestamp_begin_pt_up ) )
else:
- main.log.info("Tshark output file returned unexpected"+
- " results.")
+ main.log.info( "Tshark output file returned unexpected" +
+ " results." )
timestamp_begin_pt_up = 0
-
+
f_port_up.close()
graph_timestamp_1 = \
- json_obj_1[graphTimestamp]['value']
+ json_obj_1[ graphTimestamp ][ 'value' ]
graph_timestamp_2 = \
- json_obj_2[graphTimestamp]['value']
+ json_obj_2[ graphTimestamp ][ 'value' ]
graph_timestamp_3 = \
- json_obj_3[graphTimestamp]['value']
+ json_obj_3[ graphTimestamp ][ 'value' ]
- #Obtain device timestamp. This timestamp captures
- #the epoch time at which the device event happened
+ # Obtain device timestamp. This timestamp captures
+ # the epoch time at which the device event happened
device_timestamp_1 = \
- json_obj_1[deviceTimestamp]['value']
+ json_obj_1[ deviceTimestamp ][ 'value' ]
device_timestamp_2 = \
- json_obj_2[deviceTimestamp]['value']
+ json_obj_2[ deviceTimestamp ][ 'value' ]
device_timestamp_3 = \
- json_obj_3[deviceTimestamp]['value']
+ json_obj_3[ deviceTimestamp ][ 'value' ]
- #Get delta between graph event and OFP
- pt_up_graph_to_ofp_1 = int(graph_timestamp_1) -\
- int(timestamp_begin_pt_up)
- pt_up_graph_to_ofp_2 = int(graph_timestamp_2) -\
- int(timestamp_begin_pt_up)
- pt_up_graph_to_ofp_3 = int(graph_timestamp_3) -\
- int(timestamp_begin_pt_up)
+ # Get delta between graph event and OFP
+ pt_up_graph_to_ofp_1 = int( graph_timestamp_1 ) -\
+ int( timestamp_begin_pt_up )
+ pt_up_graph_to_ofp_2 = int( graph_timestamp_2 ) -\
+ int( timestamp_begin_pt_up )
+ pt_up_graph_to_ofp_3 = int( graph_timestamp_3 ) -\
+ int( timestamp_begin_pt_up )
- #Get delta between device event and OFP
- pt_up_device_to_ofp_1 = int(device_timestamp_1) -\
- int(timestamp_begin_pt_up)
- pt_up_device_to_ofp_2 = int(device_timestamp_2) -\
- int(timestamp_begin_pt_up)
- pt_up_device_to_ofp_3 = int(device_timestamp_3) -\
- int(timestamp_begin_pt_up)
+ # Get delta between device event and OFP
+ pt_up_device_to_ofp_1 = int( device_timestamp_1 ) -\
+ int( timestamp_begin_pt_up )
+ pt_up_device_to_ofp_2 = int( device_timestamp_2 ) -\
+ int( timestamp_begin_pt_up )
+ pt_up_device_to_ofp_3 = int( device_timestamp_3 ) -\
+ int( timestamp_begin_pt_up )
- main.log.info("ONOS1 delta G2O: "+str(pt_up_graph_to_ofp_1))
- main.log.info("ONOS2 delta G2O: "+str(pt_up_graph_to_ofp_2))
- main.log.info("ONOS3 delta G2O: "+str(pt_up_graph_to_ofp_3))
+ main.log.info( "ONOS1 delta G2O: " + str( pt_up_graph_to_ofp_1 ) )
+ main.log.info( "ONOS2 delta G2O: " + str( pt_up_graph_to_ofp_2 ) )
+ main.log.info( "ONOS3 delta G2O: " + str( pt_up_graph_to_ofp_3 ) )
- main.log.info("ONOS1 delta D2O: "+str(pt_up_device_to_ofp_1))
- main.log.info("ONOS2 delta D2O: "+str(pt_up_device_to_ofp_2))
- main.log.info("ONOS3 delta D2O: "+str(pt_up_device_to_ofp_3))
+ main.log.info( "ONOS1 delta D2O: " + str( pt_up_device_to_ofp_1 ) )
+ main.log.info( "ONOS2 delta D2O: " + str( pt_up_device_to_ofp_2 ) )
+ main.log.info( "ONOS3 delta D2O: " + str( pt_up_device_to_ofp_3 ) )
pt_up_graph_to_ofp_avg = \
- (int(pt_up_graph_to_ofp_1) +
- int(pt_up_graph_to_ofp_2) +
- int(pt_up_graph_to_ofp_3)) / 3
+ ( int( pt_up_graph_to_ofp_1 ) +
+ int( pt_up_graph_to_ofp_2 ) +
+ int( pt_up_graph_to_ofp_3 ) ) / 3
pt_up_device_to_ofp_avg = \
- (int(pt_up_device_to_ofp_1) +
- int(pt_up_device_to_ofp_2) +
- int(pt_up_device_to_ofp_3)) / 3
+ ( int( pt_up_device_to_ofp_1 ) +
+ int( pt_up_device_to_ofp_2 ) +
+ int( pt_up_device_to_ofp_3 ) ) / 3
if pt_up_graph_to_ofp_avg > up_threshold_min and \
- pt_up_graph_to_ofp_avg < up_threshold_max:
+ pt_up_graph_to_ofp_avg < up_threshold_max:
port_up_graph_to_ofp_list.append(
- pt_up_graph_to_ofp_avg)
- main.log.info("Port down: graph to ofp avg: "+
- str(pt_up_graph_to_ofp_avg) + " ms")
+ pt_up_graph_to_ofp_avg )
+ main.log.info( "Port down: graph to ofp avg: " +
+ str( pt_up_graph_to_ofp_avg ) + " ms" )
else:
- main.log.info("Average port up graph-to-ofp result"+
- " exceeded the threshold: "+
- str(pt_up_graph_to_ofp_avg))
-
+ main.log.info( "Average port up graph-to-ofp result" +
+ " exceeded the threshold: " +
+ str( pt_up_graph_to_ofp_avg ) )
+
if pt_up_device_to_ofp_avg > up_threshold_min and \
pt_up_device_to_ofp_avg < up_threshold_max:
port_up_device_to_ofp_list.append(
- pt_up_device_to_ofp_avg)
- main.log.info("Port up: device to ofp avg: "+
- str(pt_up_device_to_ofp_avg) + " ms")
+ pt_up_device_to_ofp_avg )
+ main.log.info( "Port up: device to ofp avg: " +
+ str( pt_up_device_to_ofp_avg ) + " ms" )
else:
- main.log.info("Average port up device-to-ofp result"+
- " exceeded the threshold: "+
- str(pt_up_device_to_ofp_avg))
-
- #END ITERATION FOR LOOP
-
- #Check all list for latency existence and set assertion
- if (port_down_graph_to_ofp_list and port_down_device_to_ofp_list\
- and port_up_graph_to_ofp_list and port_up_device_to_ofp_list):
+ main.log.info( "Average port up device-to-ofp result" +
+ " exceeded the threshold: " +
+ str( pt_up_device_to_ofp_avg ) )
+
+ # END ITERATION FOR LOOP
+
+ # Check all list for latency existence and set assertion
+ if ( port_down_graph_to_ofp_list and port_down_device_to_ofp_list
+ and port_up_graph_to_ofp_list and port_up_device_to_ofp_list ):
assertion = main.TRUE
- #Calculate and report latency measurements
- port_down_graph_to_ofp_min = min(port_down_graph_to_ofp_list)
- port_down_graph_to_ofp_max = max(port_down_graph_to_ofp_list)
+ # Calculate and report latency measurements
+ port_down_graph_to_ofp_min = min( port_down_graph_to_ofp_list )
+ port_down_graph_to_ofp_max = max( port_down_graph_to_ofp_list )
port_down_graph_to_ofp_avg = \
- (sum(port_down_graph_to_ofp_list) /
- len(port_down_graph_to_ofp_list))
+ ( sum( port_down_graph_to_ofp_list ) /
+ len( port_down_graph_to_ofp_list ) )
port_down_graph_to_ofp_std_dev = \
- str(round(numpy.std(port_down_graph_to_ofp_list),1))
-
- main.log.report("Port down graph-to-ofp "+
- "Avg: "+str(port_down_graph_to_ofp_avg)+" ms "+
- "Std Deviation: "+port_down_graph_to_ofp_std_dev+" ms")
-
- port_down_device_to_ofp_min = min(port_down_device_to_ofp_list)
- port_down_device_to_ofp_max = max(port_down_device_to_ofp_list)
+ str( round( numpy.std( port_down_graph_to_ofp_list ), 1 ) )
+
+ main.log.report(
+ "Port down graph-to-ofp " +
+ "Avg: " +
+ str( port_down_graph_to_ofp_avg ) +
+ " ms " +
+ "Std Deviation: " +
+ port_down_graph_to_ofp_std_dev +
+ " ms" )
+
+ port_down_device_to_ofp_min = min( port_down_device_to_ofp_list )
+ port_down_device_to_ofp_max = max( port_down_device_to_ofp_list )
port_down_device_to_ofp_avg = \
- (sum(port_down_device_to_ofp_list) /\
- len(port_down_device_to_ofp_list))
+ ( sum( port_down_device_to_ofp_list ) /
+ len( port_down_device_to_ofp_list ) )
port_down_device_to_ofp_std_dev = \
- str(round(numpy.std(port_down_device_to_ofp_list),1))
-
- main.log.report("Port down device-to-ofp "+
- "Avg: "+str(port_down_device_to_ofp_avg)+" ms "+
- "Std Deviation: "+port_down_device_to_ofp_std_dev+" ms")
-
- port_up_graph_to_ofp_min = min(port_up_graph_to_ofp_list)
- port_up_graph_to_ofp_max = max(port_up_graph_to_ofp_list)
+ str( round( numpy.std( port_down_device_to_ofp_list ), 1 ) )
+
+ main.log.report(
+ "Port down device-to-ofp " +
+ "Avg: " +
+ str( port_down_device_to_ofp_avg ) +
+ " ms " +
+ "Std Deviation: " +
+ port_down_device_to_ofp_std_dev +
+ " ms" )
+
+ port_up_graph_to_ofp_min = min( port_up_graph_to_ofp_list )
+ port_up_graph_to_ofp_max = max( port_up_graph_to_ofp_list )
port_up_graph_to_ofp_avg = \
- (sum(port_up_graph_to_ofp_list) /\
- len(port_up_graph_to_ofp_list))
+ ( sum( port_up_graph_to_ofp_list ) /
+ len( port_up_graph_to_ofp_list ) )
port_up_graph_to_ofp_std_dev = \
- str(round(numpy.std(port_up_graph_to_ofp_list),1))
-
- main.log.report("Port up graph-to-ofp "+
- "Avg: "+str(port_up_graph_to_ofp_avg)+" ms "+
- "Std Deviation: "+port_up_graph_to_ofp_std_dev+" ms")
-
- port_up_device_to_ofp_min = min(port_up_device_to_ofp_list)
- port_up_device_to_ofp_max = max(port_up_device_to_ofp_list)
+ str( round( numpy.std( port_up_graph_to_ofp_list ), 1 ) )
+
+ main.log.report(
+ "Port up graph-to-ofp " +
+ "Avg: " +
+ str( port_up_graph_to_ofp_avg ) +
+ " ms " +
+ "Std Deviation: " +
+ port_up_graph_to_ofp_std_dev +
+ " ms" )
+
+ port_up_device_to_ofp_min = min( port_up_device_to_ofp_list )
+ port_up_device_to_ofp_max = max( port_up_device_to_ofp_list )
port_up_device_to_ofp_avg = \
- (sum(port_up_device_to_ofp_list) /\
- len(port_up_device_to_ofp_list))
+ ( sum( port_up_device_to_ofp_list ) /
+ len( port_up_device_to_ofp_list ) )
port_up_device_to_ofp_std_dev = \
- str(round(numpy.std(port_up_device_to_ofp_list),1))
-
- main.log.report("Port up device-to-ofp "+
- "Avg: "+str(port_up_device_to_ofp_avg)+" ms "+
- "Std Deviation: "+port_up_device_to_ofp_std_dev+" ms")
+ str( round( numpy.std( port_up_device_to_ofp_list ), 1 ) )
- utilities.assert_equals(expect=main.TRUE, actual=assertion,
- onpass="Port discovery latency calculation successful",
- onfail="Port discovery test failed")
+ main.log.report(
+ "Port up device-to-ofp " +
+ "Avg: " +
+ str( port_up_device_to_ofp_avg ) +
+ " ms " +
+ "Std Deviation: " +
+ port_up_device_to_ofp_std_dev +
+ " ms" )
- def CASE4(self, main):
- '''
+ utilities.assert_equals(
+ expect=main.TRUE,
+ actual=assertion,
+ onpass="Port discovery latency calculation successful",
+ onfail="Port discovery test failed" )
+
+ def CASE4( self, main ):
+ """
Link down event using loss rate 100%
-
+
Important:
Use a simple 2 switch topology with 1 link between
- the two switches. Ensure that mac addresses of the
+ the two switches. Ensure that mac addresses of the
switches are 1 / 2 respectively
- '''
+ """
import time
import subprocess
import os
import requests
import json
- import numpy
-
- ONOS1_ip = main.params['CTRL']['ip1']
- ONOS2_ip = main.params['CTRL']['ip2']
- ONOS3_ip = main.params['CTRL']['ip3']
- ONOS_user = main.params['CTRL']['user']
+ import numpy
- default_sw_port = main.params['CTRL']['port1']
-
- #Number of iterations of case
- num_iter = main.params['TEST']['numIter']
-
- #Timestamp 'keys' for json metrics output.
- #These are subject to change, hence moved into params
- deviceTimestamp = main.params['JSON']['deviceTimestamp']
- linkTimestamp = main.params['JSON']['linkTimestamp']
- graphTimestamp = main.params['JSON']['graphTimestamp']
-
- debug_mode = main.params['TEST']['debugMode']
+ ONOS1_ip = main.params[ 'CTRL' ][ 'ip1' ]
+ ONOS2_ip = main.params[ 'CTRL' ][ 'ip2' ]
+ ONOS3_ip = main.params[ 'CTRL' ][ 'ip3' ]
+ ONOS_user = main.params[ 'CTRL' ][ 'user' ]
- local_time = time.strftime('%x %X')
- local_time = local_time.replace("/","")
- local_time = local_time.replace(" ","_")
- local_time = local_time.replace(":","")
+ default_sw_port = main.params[ 'CTRL' ][ 'port1' ]
+
+ # Number of iterations of case
+ num_iter = main.params[ 'TEST' ][ 'numIter' ]
+
+ # Timestamp 'keys' for json metrics output.
+ # These are subject to change, hence moved into params
+ deviceTimestamp = main.params[ 'JSON' ][ 'deviceTimestamp' ]
+ linkTimestamp = main.params[ 'JSON' ][ 'linkTimestamp' ]
+ graphTimestamp = main.params[ 'JSON' ][ 'graphTimestamp' ]
+
+ debug_mode = main.params[ 'TEST' ][ 'debugMode' ]
+
+ local_time = time.strftime( '%x %X' )
+ local_time = local_time.replace( "/", "" )
+ local_time = local_time.replace( " ", "_" )
+ local_time = local_time.replace( ":", "" )
if debug_mode == 'on':
- main.ONOS1.tshark_pcap("eth0",
- "/tmp/link_lat_pcap_"+local_time)
+ main.ONOS1.tshark_pcap( "eth0",
+ "/tmp/link_lat_pcap_" + local_time )
- #Threshold for this test case
- up_threshold_str = main.params['TEST']['linkUpThreshold']
- down_threshold_str = main.params['TEST']['linkDownThreshold']
+ # Threshold for this test case
+ up_threshold_str = main.params[ 'TEST' ][ 'linkUpThreshold' ]
+ down_threshold_str = main.params[ 'TEST' ][ 'linkDownThreshold' ]
- up_threshold_obj = up_threshold_str.split(",")
- down_threshold_obj = down_threshold_str.split(",")
+ up_threshold_obj = up_threshold_str.split( "," )
+ down_threshold_obj = down_threshold_str.split( "," )
- up_threshold_min = int(up_threshold_obj[0])
- up_threshold_max = int(up_threshold_obj[1])
+ up_threshold_min = int( up_threshold_obj[ 0 ] )
+ up_threshold_max = int( up_threshold_obj[ 1 ] )
- down_threshold_min = int(down_threshold_obj[0])
- down_threshold_max = int(down_threshold_obj[1])
+ down_threshold_min = int( down_threshold_obj[ 0 ] )
+ down_threshold_max = int( down_threshold_obj[ 1 ] )
assertion = main.TRUE
- #Link event timestamp to system time list
+ # Link event timestamp to system time list
link_down_link_to_system_list = []
link_up_link_to_system_list = []
- #Graph event timestamp to system time list
+ # Graph event timestamp to system time list
link_down_graph_to_system_list = []
- link_up_graph_to_system_list = []
+ link_up_graph_to_system_list = []
- main.log.report("Link up / down discovery latency between "+
- "two switches")
- main.log.report("Simulated by setting loss-rate 100%")
- main.log.report("'tc qdisc add dev <intfs> root netem loss 100%'")
- main.log.report("Total iterations of test: "+str(num_iter))
+ main.log.report( "Link up / down discovery latency between " +
+ "two switches" )
+ main.log.report( "Simulated by setting loss-rate 100%" )
+ main.log.report( "'tc qdisc add dev <intfs> root netem loss 100%'" )
+ main.log.report( "Total iterations of test: " + str( num_iter ) )
- main.step("Assign all switches")
- main.Mininet1.assign_sw_controller(sw="1",
- ip1=ONOS1_ip, port1=default_sw_port)
- main.Mininet1.assign_sw_controller(sw="2",
- ip1=ONOS1_ip, port1=default_sw_port)
+ main.step( "Assign all switches" )
+ main.Mininet1.assign_sw_controller(
+ sw="1",
+ ip1=ONOS1_ip,
+ port1=default_sw_port )
+ main.Mininet1.assign_sw_controller(
+ sw="2",
+ ip1=ONOS1_ip,
+ port1=default_sw_port )
- main.step("Verifying switch assignment")
- result_s1 = main.Mininet1.get_sw_controller(sw="s1")
- result_s2 = main.Mininet1.get_sw_controller(sw="s2")
-
- #Allow time for events to finish before taking measurements
- time.sleep(10)
+ main.step( "Verifying switch assignment" )
+ result_s1 = main.Mininet1.get_sw_controller( sw="s1" )
+ result_s2 = main.Mininet1.get_sw_controller( sw="s2" )
+
+ # Allow time for events to finish before taking measurements
+ time.sleep( 10 )
link_down1 = False
link_down2 = False
link_down3 = False
- #Start iteration of link event test
- for i in range(0, int(num_iter)):
- main.step("Getting initial system time as t0")
-
- timestamp_link_down_t0 = time.time() * 1000
- #Link down is simulated by 100% loss rate using traffic
- #control command
- main.Mininet1.handle.sendline(
- "sh tc qdisc add dev s1-eth1 root netem loss 100%")
+ # Start iteration of link event test
+ for i in range( 0, int( num_iter ) ):
+ main.step( "Getting initial system time as t0" )
- #TODO: Iterate through 'links' command to verify that
- # link s1 -> s2 went down (loop timeout 30 seconds)
+ timestamp_link_down_t0 = time.time() * 1000
+ # Link down is simulated by 100% loss rate using traffic
+ # control command
+ main.Mininet1.handle.sendline(
+ "sh tc qdisc add dev s1-eth1 root netem loss 100%" )
+
+ # TODO: Iterate through 'links' command to verify that
+ # link s1 -> s2 went down ( loop timeout 30 seconds )
# on all 3 ONOS instances
- main.log.info("Checking ONOS for link update")
+ main.log.info( "Checking ONOS for link update" )
loop_count = 0
- while( not (link_down1 and link_down2 and link_down3)\
+ while( not ( link_down1 and link_down2 and link_down3 )
and loop_count < 30 ):
json_str1 = main.ONOS1cli.links()
json_str2 = main.ONOS2cli.links()
json_str3 = main.ONOS3cli.links()
-
- if not (json_str1 and json_str2 and json_str3):
- main.log.error("CLI command returned error ")
+
+ if not ( json_str1 and json_str2 and json_str3 ):
+ main.log.error( "CLI command returned error " )
break
else:
- json_obj1 = json.loads(json_str1)
- json_obj2 = json.loads(json_str2)
- json_obj3 = json.loads(json_str3)
+ json_obj1 = json.loads( json_str1 )
+ json_obj2 = json.loads( json_str2 )
+ json_obj3 = json.loads( json_str3 )
for obj1 in json_obj1:
- if '01' not in obj1['src']['device']:
+ if '01' not in obj1[ 'src' ][ 'device' ]:
link_down1 = True
- main.log.info("Link down from "+
- "s1 -> s2 on ONOS1 detected")
+ main.log.info( "Link down from " +
+ "s1 -> s2 on ONOS1 detected" )
for obj2 in json_obj2:
- if '01' not in obj2['src']['device']:
+ if '01' not in obj2[ 'src' ][ 'device' ]:
link_down2 = True
- main.log.info("Link down from "+
- "s1 -> s2 on ONOS2 detected")
+ main.log.info( "Link down from " +
+ "s1 -> s2 on ONOS2 detected" )
for obj3 in json_obj3:
- if '01' not in obj3['src']['device']:
+ if '01' not in obj3[ 'src' ][ 'device' ]:
link_down3 = True
- main.log.info("Link down from "+
- "s1 -> s2 on ONOS3 detected")
-
+ main.log.info( "Link down from " +
+ "s1 -> s2 on ONOS3 detected" )
+
loop_count += 1
- #If CLI doesn't like the continuous requests
- #and exits in this loop, increase the sleep here.
- #Consequently, while loop timeout will increase
- time.sleep(1)
-
- #Give time for metrics measurement to catch up
- #NOTE: May need to be configured more accurately
- time.sleep(10)
- #If we exited the while loop and link down 1,2,3 are still
- #false, then ONOS has failed to discover link down event
- if not (link_down1 and link_down2 and link_down3):
- main.log.info("Link down discovery failed")
-
+ # If CLI doesn't like the continuous requests
+ # and exits in this loop, increase the sleep here.
+ # Consequently, while loop timeout will increase
+ time.sleep( 1 )
+
+ # Give time for metrics measurement to catch up
+ # NOTE: May need to be configured more accurately
+ time.sleep( 10 )
+ # If we exited the while loop and link down 1,2,3 are still
+ # false, then ONOS has failed to discover link down event
+ if not ( link_down1 and link_down2 and link_down3 ):
+ main.log.info( "Link down discovery failed" )
+
link_down_lat_graph1 = 0
link_down_lat_graph2 = 0
link_down_lat_graph3 = 0
link_down_lat_device1 = 0
link_down_lat_device2 = 0
link_down_lat_device3 = 0
-
+
assertion = main.FALSE
else:
json_topo_metrics_1 =\
- main.ONOS1cli.topology_events_metrics()
+ main.ONOS1cli.topology_events_metrics()
json_topo_metrics_2 =\
- main.ONOS2cli.topology_events_metrics()
+ main.ONOS2cli.topology_events_metrics()
json_topo_metrics_3 =\
- main.ONOS3cli.topology_events_metrics()
- json_topo_metrics_1 = json.loads(json_topo_metrics_1)
- json_topo_metrics_2 = json.loads(json_topo_metrics_2)
- json_topo_metrics_3 = json.loads(json_topo_metrics_3)
+ main.ONOS3cli.topology_events_metrics()
+ json_topo_metrics_1 = json.loads( json_topo_metrics_1 )
+ json_topo_metrics_2 = json.loads( json_topo_metrics_2 )
+ json_topo_metrics_3 = json.loads( json_topo_metrics_3 )
- main.log.info("Obtaining graph and device timestamp")
+ main.log.info( "Obtaining graph and device timestamp" )
graph_timestamp_1 = \
- json_topo_metrics_1[graphTimestamp]['value']
+ json_topo_metrics_1[ graphTimestamp ][ 'value' ]
graph_timestamp_2 = \
- json_topo_metrics_2[graphTimestamp]['value']
+ json_topo_metrics_2[ graphTimestamp ][ 'value' ]
graph_timestamp_3 = \
- json_topo_metrics_3[graphTimestamp]['value']
+ json_topo_metrics_3[ graphTimestamp ][ 'value' ]
link_timestamp_1 = \
- json_topo_metrics_1[linkTimestamp]['value']
+ json_topo_metrics_1[ linkTimestamp ][ 'value' ]
link_timestamp_2 = \
- json_topo_metrics_2[linkTimestamp]['value']
+ json_topo_metrics_2[ linkTimestamp ][ 'value' ]
link_timestamp_3 = \
- json_topo_metrics_3[linkTimestamp]['value']
+ json_topo_metrics_3[ linkTimestamp ][ 'value' ]
if graph_timestamp_1 and graph_timestamp_2 and\
graph_timestamp_3 and link_timestamp_1 and\
link_timestamp_2 and link_timestamp_3:
- link_down_lat_graph1 = int(graph_timestamp_1) -\
- int(timestamp_link_down_t0)
- link_down_lat_graph2 = int(graph_timestamp_2) -\
- int(timestamp_link_down_t0)
- link_down_lat_graph3 = int(graph_timestamp_3) -\
- int(timestamp_link_down_t0)
-
- link_down_lat_link1 = int(link_timestamp_1) -\
- int(timestamp_link_down_t0)
- link_down_lat_link2 = int(link_timestamp_2) -\
- int(timestamp_link_down_t0)
- link_down_lat_link3 = int(link_timestamp_3) -\
- int(timestamp_link_down_t0)
+ link_down_lat_graph1 = int( graph_timestamp_1 ) -\
+ int( timestamp_link_down_t0 )
+ link_down_lat_graph2 = int( graph_timestamp_2 ) -\
+ int( timestamp_link_down_t0 )
+ link_down_lat_graph3 = int( graph_timestamp_3 ) -\
+ int( timestamp_link_down_t0 )
+
+ link_down_lat_link1 = int( link_timestamp_1 ) -\
+ int( timestamp_link_down_t0 )
+ link_down_lat_link2 = int( link_timestamp_2 ) -\
+ int( timestamp_link_down_t0 )
+ link_down_lat_link3 = int( link_timestamp_3 ) -\
+ int( timestamp_link_down_t0 )
else:
- main.log.error("There was an error calculating"+
- " the delta for link down event")
+ main.log.error( "There was an error calculating" +
+ " the delta for link down event" )
link_down_lat_graph1 = 0
link_down_lat_graph2 = 0
link_down_lat_graph3 = 0
-
+
link_down_lat_device1 = 0
link_down_lat_device2 = 0
link_down_lat_device3 = 0
-
- main.log.info("Link down latency ONOS1 iteration "+
- str(i)+" (end-to-end): "+
- str(link_down_lat_graph1)+" ms")
- main.log.info("Link down latency ONOS2 iteration "+
- str(i)+" (end-to-end): "+
- str(link_down_lat_graph2)+" ms")
- main.log.info("Link down latency ONOS3 iteration "+
- str(i)+" (end-to-end): "+
- str(link_down_lat_graph3)+" ms")
-
- main.log.info("Link down latency ONOS1 iteration "+
- str(i)+" (link-event-to-system-timestamp): "+
- str(link_down_lat_link1)+" ms")
- main.log.info("Link down latency ONOS2 iteration "+
- str(i)+" (link-event-to-system-timestamp): "+
- str(link_down_lat_link2)+" ms")
- main.log.info("Link down latency ONOS3 iteration "+
- str(i)+" (link-event-to-system-timestamp): "+
- str(link_down_lat_link3))
-
- #Calculate avg of node calculations
- link_down_lat_graph_avg =\
- (link_down_lat_graph1 +
- link_down_lat_graph2 +
- link_down_lat_graph3) / 3
- link_down_lat_link_avg =\
- (link_down_lat_link1 +
- link_down_lat_link2 +
- link_down_lat_link3) / 3
- #Set threshold and append latency to list
+ main.log.info( "Link down latency ONOS1 iteration " +
+ str( i ) + " (end-to-end): " +
+ str( link_down_lat_graph1 ) + " ms" )
+ main.log.info( "Link down latency ONOS2 iteration " +
+ str( i ) + " (end-to-end): " +
+ str( link_down_lat_graph2 ) + " ms" )
+ main.log.info( "Link down latency ONOS3 iteration " +
+ str( i ) + " (end-to-end): " +
+ str( link_down_lat_graph3 ) + " ms" )
+
+ main.log.info( "Link down latency ONOS1 iteration " +
+ str( i ) + " (link-event-to-system-timestamp): " +
+ str( link_down_lat_link1 ) + " ms" )
+ main.log.info( "Link down latency ONOS2 iteration " +
+ str( i ) + " (link-event-to-system-timestamp): " +
+ str( link_down_lat_link2 ) + " ms" )
+ main.log.info( "Link down latency ONOS3 iteration " +
+ str( i ) + " (link-event-to-system-timestamp): " +
+ str( link_down_lat_link3 ) )
+
+ # Calculate avg of node calculations
+ link_down_lat_graph_avg =\
+ ( link_down_lat_graph1 +
+ link_down_lat_graph2 +
+ link_down_lat_graph3 ) / 3
+ link_down_lat_link_avg =\
+ ( link_down_lat_link1 +
+ link_down_lat_link2 +
+ link_down_lat_link3 ) / 3
+
+ # Set threshold and append latency to list
if link_down_lat_graph_avg > down_threshold_min and\
link_down_lat_graph_avg < down_threshold_max:
link_down_graph_to_system_list.append(
- link_down_lat_graph_avg)
+ link_down_lat_graph_avg )
else:
- main.log.info("Link down latency exceeded threshold")
- main.log.info("Results for iteration "+str(i)+
- "have been omitted")
+ main.log.info( "Link down latency exceeded threshold" )
+ main.log.info( "Results for iteration " + str( i ) +
+ "have been omitted" )
if link_down_lat_link_avg > down_threshold_min and\
link_down_lat_link_avg < down_threshold_max:
link_down_link_to_system_list.append(
- link_down_lat_link_avg)
+ link_down_lat_link_avg )
else:
- main.log.info("Link down latency exceeded threshold")
- main.log.info("Results for iteration "+str(i)+
- "have been omitted")
+ main.log.info( "Link down latency exceeded threshold" )
+ main.log.info( "Results for iteration " + str( i ) +
+ "have been omitted" )
- #NOTE: To remove loss rate and measure latency:
+ # NOTE: To remove loss rate and measure latency:
# 'sh tc qdisc del dev s1-eth1 root'
timestamp_link_up_t0 = time.time() * 1000
- main.Mininet1.handle.sendline("sh tc qdisc del dev "+
- "s1-eth1 root")
- main.Mininet1.handle.expect("mininet>")
-
- main.log.info("Checking ONOS for link update")
-
+ main.Mininet1.handle.sendline( "sh tc qdisc del dev " +
+ "s1-eth1 root" )
+ main.Mininet1.handle.expect( "mininet>" )
+
+ main.log.info( "Checking ONOS for link update" )
+
link_down1 = True
link_down2 = True
link_down3 = True
loop_count = 0
- while( (link_down1 and link_down2 and link_down3)\
+ while( ( link_down1 and link_down2 and link_down3 )
and loop_count < 30 ):
json_str1 = main.ONOS1cli.links()
json_str2 = main.ONOS2cli.links()
json_str3 = main.ONOS3cli.links()
- if not (json_str1 and json_str2 and json_str3):
- main.log.error("CLI command returned error ")
+ if not ( json_str1 and json_str2 and json_str3 ):
+ main.log.error( "CLI command returned error " )
break
else:
- json_obj1 = json.loads(json_str1)
- json_obj2 = json.loads(json_str2)
- json_obj3 = json.loads(json_str3)
-
+ json_obj1 = json.loads( json_str1 )
+ json_obj2 = json.loads( json_str2 )
+ json_obj3 = json.loads( json_str3 )
+
for obj1 in json_obj1:
- if '01' in obj1['src']['device']:
- link_down1 = False
- main.log.info("Link up from "+
- "s1 -> s2 on ONOS1 detected")
+ if '01' in obj1[ 'src' ][ 'device' ]:
+ link_down1 = False
+ main.log.info( "Link up from " +
+ "s1 -> s2 on ONOS1 detected" )
for obj2 in json_obj2:
- if '01' in obj2['src']['device']:
- link_down2 = False
- main.log.info("Link up from "+
- "s1 -> s2 on ONOS2 detected")
+ if '01' in obj2[ 'src' ][ 'device' ]:
+ link_down2 = False
+ main.log.info( "Link up from " +
+ "s1 -> s2 on ONOS2 detected" )
for obj3 in json_obj3:
- if '01' in obj3['src']['device']:
- link_down3 = False
- main.log.info("Link up from "+
- "s1 -> s2 on ONOS3 detected")
-
+ if '01' in obj3[ 'src' ][ 'device' ]:
+ link_down3 = False
+ main.log.info( "Link up from " +
+ "s1 -> s2 on ONOS3 detected" )
+
loop_count += 1
- time.sleep(1)
-
- if (link_down1 and link_down2 and link_down3):
- main.log.info("Link up discovery failed")
-
+ time.sleep( 1 )
+
+ if ( link_down1 and link_down2 and link_down3 ):
+ main.log.info( "Link up discovery failed" )
+
link_up_lat_graph1 = 0
link_up_lat_graph2 = 0
link_up_lat_graph3 = 0
link_up_lat_device1 = 0
link_up_lat_device2 = 0
link_up_lat_device3 = 0
-
+
assertion = main.FALSE
else:
json_topo_metrics_1 =\
- main.ONOS1cli.topology_events_metrics()
+ main.ONOS1cli.topology_events_metrics()
json_topo_metrics_2 =\
- main.ONOS2cli.topology_events_metrics()
+ main.ONOS2cli.topology_events_metrics()
json_topo_metrics_3 =\
- main.ONOS3cli.topology_events_metrics()
- json_topo_metrics_1 = json.loads(json_topo_metrics_1)
- json_topo_metrics_2 = json.loads(json_topo_metrics_2)
- json_topo_metrics_3 = json.loads(json_topo_metrics_3)
+ main.ONOS3cli.topology_events_metrics()
+ json_topo_metrics_1 = json.loads( json_topo_metrics_1 )
+ json_topo_metrics_2 = json.loads( json_topo_metrics_2 )
+ json_topo_metrics_3 = json.loads( json_topo_metrics_3 )
- main.log.info("Obtaining graph and device timestamp")
+ main.log.info( "Obtaining graph and device timestamp" )
graph_timestamp_1 = \
- json_topo_metrics_1[graphTimestamp]['value']
+ json_topo_metrics_1[ graphTimestamp ][ 'value' ]
graph_timestamp_2 = \
- json_topo_metrics_2[graphTimestamp]['value']
+ json_topo_metrics_2[ graphTimestamp ][ 'value' ]
graph_timestamp_3 = \
- json_topo_metrics_3[graphTimestamp]['value']
+ json_topo_metrics_3[ graphTimestamp ][ 'value' ]
link_timestamp_1 = \
- json_topo_metrics_1[linkTimestamp]['value']
+ json_topo_metrics_1[ linkTimestamp ][ 'value' ]
link_timestamp_2 = \
- json_topo_metrics_2[linkTimestamp]['value']
+ json_topo_metrics_2[ linkTimestamp ][ 'value' ]
link_timestamp_3 = \
- json_topo_metrics_3[linkTimestamp]['value']
+ json_topo_metrics_3[ linkTimestamp ][ 'value' ]
if graph_timestamp_1 and graph_timestamp_2 and\
graph_timestamp_3 and link_timestamp_1 and\
link_timestamp_2 and link_timestamp_3:
- link_up_lat_graph1 = int(graph_timestamp_1) -\
- int(timestamp_link_up_t0)
- link_up_lat_graph2 = int(graph_timestamp_2) -\
- int(timestamp_link_up_t0)
- link_up_lat_graph3 = int(graph_timestamp_3) -\
- int(timestamp_link_up_t0)
-
- link_up_lat_link1 = int(link_timestamp_1) -\
- int(timestamp_link_up_t0)
- link_up_lat_link2 = int(link_timestamp_2) -\
- int(timestamp_link_up_t0)
- link_up_lat_link3 = int(link_timestamp_3) -\
- int(timestamp_link_up_t0)
+ link_up_lat_graph1 = int( graph_timestamp_1 ) -\
+ int( timestamp_link_up_t0 )
+ link_up_lat_graph2 = int( graph_timestamp_2 ) -\
+ int( timestamp_link_up_t0 )
+ link_up_lat_graph3 = int( graph_timestamp_3 ) -\
+ int( timestamp_link_up_t0 )
+
+ link_up_lat_link1 = int( link_timestamp_1 ) -\
+ int( timestamp_link_up_t0 )
+ link_up_lat_link2 = int( link_timestamp_2 ) -\
+ int( timestamp_link_up_t0 )
+ link_up_lat_link3 = int( link_timestamp_3 ) -\
+ int( timestamp_link_up_t0 )
else:
- main.log.error("There was an error calculating"+
- " the delta for link down event")
+ main.log.error( "There was an error calculating" +
+ " the delta for link down event" )
link_up_lat_graph1 = 0
link_up_lat_graph2 = 0
link_up_lat_graph3 = 0
-
+
link_up_lat_device1 = 0
link_up_lat_device2 = 0
link_up_lat_device3 = 0
-
- if debug_mode == 'on':
- main.log.info("Link up latency ONOS1 iteration "+
- str(i)+" (end-to-end): "+
- str(link_up_lat_graph1)+" ms")
- main.log.info("Link up latency ONOS2 iteration "+
- str(i)+" (end-to-end): "+
- str(link_up_lat_graph2)+" ms")
- main.log.info("Link up latency ONOS3 iteration "+
- str(i)+" (end-to-end): "+
- str(link_up_lat_graph3)+" ms")
-
- main.log.info("Link up latency ONOS1 iteration "+
- str(i)+" (link-event-to-system-timestamp): "+
- str(link_up_lat_link1)+" ms")
- main.log.info("Link up latency ONOS2 iteration "+
- str(i)+" (link-event-to-system-timestamp): "+
- str(link_up_lat_link2)+" ms")
- main.log.info("Link up latency ONOS3 iteration "+
- str(i)+" (link-event-to-system-timestamp): "+
- str(link_up_lat_link3))
-
- #Calculate avg of node calculations
- link_up_lat_graph_avg =\
- (link_up_lat_graph1 +
- link_up_lat_graph2 +
- link_up_lat_graph3) / 3
- link_up_lat_link_avg =\
- (link_up_lat_link1 +
- link_up_lat_link2 +
- link_up_lat_link3) / 3
- #Set threshold and append latency to list
+ if debug_mode == 'on':
+ main.log.info( "Link up latency ONOS1 iteration " +
+ str( i ) + " (end-to-end): " +
+ str( link_up_lat_graph1 ) + " ms" )
+ main.log.info( "Link up latency ONOS2 iteration " +
+ str( i ) + " (end-to-end): " +
+ str( link_up_lat_graph2 ) + " ms" )
+ main.log.info( "Link up latency ONOS3 iteration " +
+ str( i ) + " (end-to-end): " +
+ str( link_up_lat_graph3 ) + " ms" )
+
+ main.log.info(
+ "Link up latency ONOS1 iteration " +
+ str( i ) +
+ " (link-event-to-system-timestamp): " +
+ str( link_up_lat_link1 ) +
+ " ms" )
+ main.log.info(
+ "Link up latency ONOS2 iteration " +
+ str( i ) +
+ " (link-event-to-system-timestamp): " +
+ str( link_up_lat_link2 ) +
+ " ms" )
+ main.log.info(
+ "Link up latency ONOS3 iteration " +
+ str( i ) +
+ " (link-event-to-system-timestamp): " +
+ str( link_up_lat_link3 ) )
+
+ # Calculate avg of node calculations
+ link_up_lat_graph_avg =\
+ ( link_up_lat_graph1 +
+ link_up_lat_graph2 +
+ link_up_lat_graph3 ) / 3
+ link_up_lat_link_avg =\
+ ( link_up_lat_link1 +
+ link_up_lat_link2 +
+ link_up_lat_link3 ) / 3
+
+ # Set threshold and append latency to list
if link_up_lat_graph_avg > up_threshold_min and\
link_up_lat_graph_avg < up_threshold_max:
link_up_graph_to_system_list.append(
- link_up_lat_graph_avg)
+ link_up_lat_graph_avg )
else:
- main.log.info("Link up latency exceeded threshold")
- main.log.info("Results for iteration "+str(i)+
- "have been omitted")
+ main.log.info( "Link up latency exceeded threshold" )
+ main.log.info( "Results for iteration " + str( i ) +
+ "have been omitted" )
if link_up_lat_link_avg > up_threshold_min and\
link_up_lat_link_avg < up_threshold_max:
link_up_link_to_system_list.append(
- link_up_lat_link_avg)
+ link_up_lat_link_avg )
else:
- main.log.info("Link up latency exceeded threshold")
- main.log.info("Results for iteration "+str(i)+
- "have been omitted")
+ main.log.info( "Link up latency exceeded threshold" )
+ main.log.info( "Results for iteration " + str( i ) +
+ "have been omitted" )
- #Calculate min, max, avg of list and report
- link_down_min = min(link_down_graph_to_system_list)
- link_down_max = max(link_down_graph_to_system_list)
- link_down_avg = sum(link_down_graph_to_system_list) / \
- len(link_down_graph_to_system_list)
- link_up_min = min(link_up_graph_to_system_list)
- link_up_max = max(link_up_graph_to_system_list)
- link_up_avg = sum(link_up_graph_to_system_list) / \
- len(link_up_graph_to_system_list)
+ # Calculate min, max, avg of list and report
+ link_down_min = min( link_down_graph_to_system_list )
+ link_down_max = max( link_down_graph_to_system_list )
+ link_down_avg = sum( link_down_graph_to_system_list ) / \
+ len( link_down_graph_to_system_list )
+ link_up_min = min( link_up_graph_to_system_list )
+ link_up_max = max( link_up_graph_to_system_list )
+ link_up_avg = sum( link_up_graph_to_system_list ) / \
+ len( link_up_graph_to_system_list )
link_down_std_dev = \
- str(round(numpy.std(link_down_graph_to_system_list),1))
+ str( round( numpy.std( link_down_graph_to_system_list ), 1 ) )
link_up_std_dev = \
- str(round(numpy.std(link_up_graph_to_system_list),1))
+ str( round( numpy.std( link_up_graph_to_system_list ), 1 ) )
- main.log.report("Link down latency " +
- "Avg: "+str(link_down_avg)+" ms "+
- "Std Deviation: "+link_down_std_dev+" ms")
- main.log.report("Link up latency "+
- "Avg: "+str(link_up_avg)+" ms "+
- "Std Deviation: "+link_up_std_dev+" ms")
+ main.log.report( "Link down latency " +
+ "Avg: " + str( link_down_avg ) + " ms " +
+ "Std Deviation: " + link_down_std_dev + " ms" )
+ main.log.report( "Link up latency " +
+ "Avg: " + str( link_up_avg ) + " ms " +
+ "Std Deviation: " + link_up_std_dev + " ms" )
- utilities.assert_equals(expect=main.TRUE, actual=assertion,
- onpass="Link discovery latency calculation successful",
- onfail="Link discovery latency case failed")
+ utilities.assert_equals(
+ expect=main.TRUE,
+ actual=assertion,
+ onpass="Link discovery latency calculation successful",
+ onfail="Link discovery latency case failed" )
- def CASE5(self, main):
- '''
+ def CASE5( self, main ):
+ """
100 Switch discovery latency
Important:
- This test case can be potentially dangerous if
+ This test case can be potentially dangerous if
your machine has previously set iptables rules.
One of the steps of the test case will flush
all existing iptables rules.
Note:
- You can specify the number of switches in the
+ You can specify the number of switches in the
params file to adjust the switch discovery size
- (and specify the corresponding topology in Mininet1
- .topo file)
- '''
+ ( and specify the corresponding topology in Mininet1
+ .topo file )
+ """
import time
import subprocess
import os
import requests
import json
- ONOS1_ip = main.params['CTRL']['ip1']
- ONOS2_ip = main.params['CTRL']['ip2']
- ONOS3_ip = main.params['CTRL']['ip3']
- MN1_ip = main.params['MN']['ip1']
- ONOS_user = main.params['CTRL']['user']
+ ONOS1_ip = main.params[ 'CTRL' ][ 'ip1' ]
+ ONOS2_ip = main.params[ 'CTRL' ][ 'ip2' ]
+ ONOS3_ip = main.params[ 'CTRL' ][ 'ip3' ]
+ MN1_ip = main.params[ 'MN' ][ 'ip1' ]
+ ONOS_user = main.params[ 'CTRL' ][ 'user' ]
- default_sw_port = main.params['CTRL']['port1']
-
- #Number of iterations of case
- num_iter = main.params['TEST']['numIter']
- num_sw = main.params['TEST']['numSwitch']
+ default_sw_port = main.params[ 'CTRL' ][ 'port1' ]
- #Timestamp 'keys' for json metrics output.
- #These are subject to change, hence moved into params
- deviceTimestamp = main.params['JSON']['deviceTimestamp']
- graphTimestamp = main.params['JSON']['graphTimestamp']
-
- debug_mode = main.params['TEST']['debugMode']
+ # Number of iterations of case
+ num_iter = main.params[ 'TEST' ][ 'numIter' ]
+ num_sw = main.params[ 'TEST' ][ 'numSwitch' ]
- local_time = time.strftime('%X')
- local_time = local_time.replace("/","")
- local_time = local_time.replace(" ","_")
- local_time = local_time.replace(":","")
+ # Timestamp 'keys' for json metrics output.
+ # These are subject to change, hence moved into params
+ deviceTimestamp = main.params[ 'JSON' ][ 'deviceTimestamp' ]
+ graphTimestamp = main.params[ 'JSON' ][ 'graphTimestamp' ]
+
+ debug_mode = main.params[ 'TEST' ][ 'debugMode' ]
+
+ local_time = time.strftime( '%X' )
+ local_time = local_time.replace( "/", "" )
+ local_time = local_time.replace( " ", "_" )
+ local_time = local_time.replace( ":", "" )
if debug_mode == 'on':
- main.ONOS1.tshark_pcap("eth0",
- "/tmp/100_sw_lat_pcap_"+local_time)
-
- #Threshold for this test case
- sw_disc_threshold_str = main.params['TEST']['swDisc100Threshold']
- sw_disc_threshold_obj = sw_disc_threshold_str.split(",")
- sw_disc_threshold_min = int(sw_disc_threshold_obj[0])
- sw_disc_threshold_max = int(sw_disc_threshold_obj[1])
+ main.ONOS1.tshark_pcap( "eth0",
+ "/tmp/100_sw_lat_pcap_" + local_time )
- tshark_ofp_output = "/tmp/tshark_ofp_"+num_sw+"sw.txt"
- tshark_tcp_output = "/tmp/tshark_tcp_"+num_sw+"sw.txt"
+ # Threshold for this test case
+ sw_disc_threshold_str = main.params[ 'TEST' ][ 'swDisc100Threshold' ]
+ sw_disc_threshold_obj = sw_disc_threshold_str.split( "," )
+ sw_disc_threshold_min = int( sw_disc_threshold_obj[ 0 ] )
+ sw_disc_threshold_max = int( sw_disc_threshold_obj[ 1 ] )
+
+ tshark_ofp_output = "/tmp/tshark_ofp_" + num_sw + "sw.txt"
+ tshark_tcp_output = "/tmp/tshark_tcp_" + num_sw + "sw.txt"
tshark_ofp_result_list = []
tshark_tcp_result_list = []
sw_discovery_lat_list = []
- main.case(num_sw+" Switch discovery latency")
- main.step("Assigning all switches to ONOS1")
- for i in range(1, int(num_sw)+1):
+ main.case( num_sw + " Switch discovery latency" )
+ main.step( "Assigning all switches to ONOS1" )
+ for i in range( 1, int( num_sw ) + 1 ):
main.Mininet1.assign_sw_controller(
- sw=str(i),
- ip1=ONOS1_ip,
- port1=default_sw_port)
-
- #Ensure that nodes are configured with ptpd
- #Just a warning message
- main.log.info("Please check ptpd configuration to ensure"+\
- " All nodes' system times are in sync")
- time.sleep(5)
+ sw=str( i ),
+ ip1=ONOS1_ip,
+ port1=default_sw_port )
- for i in range(0, int(num_iter)):
-
- main.step("Set iptables rule to block incoming sw connections")
- #Set iptables rule to block incoming switch connections
- #The rule description is as follows:
+ # Ensure that nodes are configured with ptpd
+ # Just a warning message
+ main.log.info( "Please check ptpd configuration to ensure" +
+ " All nodes' system times are in sync" )
+ time.sleep( 5 )
+
+ for i in range( 0, int( num_iter ) ):
+
+ main.step( "Set iptables rule to block incoming sw connections" )
+ # Set iptables rule to block incoming switch connections
+ # The rule description is as follows:
# Append to INPUT rule,
# behavior DROP that matches following:
# * packet type: tcp
# * source IP: MN1_ip
# * destination PORT: 6633
main.ONOS1.handle.sendline(
- "sudo iptables -A INPUT -p tcp -s "+MN1_ip+
- " --dport "+default_sw_port+" -j DROP")
- main.ONOS1.handle.expect("\$")
- # Append to OUTPUT rule,
+ "sudo iptables -A INPUT -p tcp -s " + MN1_ip +
+ " --dport " + default_sw_port + " -j DROP" )
+ main.ONOS1.handle.expect( "\$" )
+ # Append to OUTPUT rule,
# behavior DROP that matches following:
# * packet type: tcp
# * source IP: MN1_ip
# * destination PORT: 6633
main.ONOS1.handle.sendline(
- "sudo iptables -A OUTPUT -p tcp -s "+MN1_ip+
- " --dport "+default_sw_port+" -j DROP")
- main.ONOS1.handle.expect("\$")
- #Give time to allow rule to take effect
- #NOTE: Sleep period may need to be configured
+ "sudo iptables -A OUTPUT -p tcp -s " + MN1_ip +
+ " --dport " + default_sw_port + " -j DROP" )
+ main.ONOS1.handle.expect( "\$" )
+ # Give time to allow rule to take effect
+ # NOTE: Sleep period may need to be configured
# based on the number of switches in the topology
- main.log.info("Please wait for switch connection to "+
- "time out")
- time.sleep(60)
-
- #Gather vendor OFP with tshark
- main.ONOS1.tshark_grep("OFP 86 Vendor",
- tshark_ofp_output)
- main.ONOS1.tshark_grep("TCP 74 ",
- tshark_tcp_output)
+ main.log.info( "Please wait for switch connection to " +
+ "time out" )
+ time.sleep( 60 )
- #NOTE: Remove all iptables rule quickly (flush)
- # Before removal, obtain TestON timestamp at which
+ # Gather vendor OFP with tshark
+ main.ONOS1.tshark_grep( "OFP 86 Vendor",
+ tshark_ofp_output )
+ main.ONOS1.tshark_grep( "TCP 74 ",
+ tshark_tcp_output )
+
+ # NOTE: Remove all iptables rule quickly ( flush )
+ # Before removal, obtain TestON timestamp at which
# removal took place
- # (ensuring nodes are configured via ptp)
+ # ( ensuring nodes are configured via ptp )
# sudo iptables -F
-
+
t0_system = time.time() * 1000
main.ONOS1.handle.sendline(
- "sudo iptables -F")
+ "sudo iptables -F" )
- #Counter to track loop count
+ # Counter to track loop count
counter_loop = 0
counter_avail1 = 0
counter_avail2 = 0
@@ -1490,126 +1550,124 @@
onos2_dev = False
onos3_dev = False
while counter_loop < 60:
- #Continue to check devices for all device
- #availability. When all devices in all 3
- #ONOS instances indicate that devices are available
- #obtain graph event timestamp for t1.
+ # Continue to check devices for all device
+ # availability. When all devices in all 3
+ # ONOS instances indicate that devices are available
+ # obtain graph event timestamp for t1.
device_str_obj1 = main.ONOS1cli.devices()
device_str_obj2 = main.ONOS2cli.devices()
device_str_obj3 = main.ONOS3cli.devices()
- device_json1 = json.loads(device_str_obj1)
- device_json2 = json.loads(device_str_obj2)
- device_json3 = json.loads(device_str_obj3)
-
+ device_json1 = json.loads( device_str_obj1 )
+ device_json2 = json.loads( device_str_obj2 )
+ device_json3 = json.loads( device_str_obj3 )
+
for device1 in device_json1:
- if device1['available'] == True:
+ if device1[ 'available' ]:
counter_avail1 += 1
- if counter_avail1 == int(num_sw):
+ if counter_avail1 == int( num_sw ):
onos1_dev = True
- main.log.info("All devices have been "+
- "discovered on ONOS1")
+ main.log.info( "All devices have been " +
+ "discovered on ONOS1" )
else:
counter_avail1 = 0
for device2 in device_json2:
- if device2['available'] == True:
+ if device2[ 'available' ]:
counter_avail2 += 1
- if counter_avail2 == int(num_sw):
+ if counter_avail2 == int( num_sw ):
onos2_dev = True
- main.log.info("All devices have been "+
- "discovered on ONOS2")
+ main.log.info( "All devices have been " +
+ "discovered on ONOS2" )
else:
counter_avail2 = 0
for device3 in device_json3:
- if device3['available'] == True:
+ if device3[ 'available' ]:
counter_avail3 += 1
- if counter_avail3 == int(num_sw):
+ if counter_avail3 == int( num_sw ):
onos3_dev = True
- main.log.info("All devices have been "+
- "discovered on ONOS3")
+ main.log.info( "All devices have been " +
+ "discovered on ONOS3" )
else:
counter_avail3 = 0
if onos1_dev and onos2_dev and onos3_dev:
- main.log.info("All devices have been discovered "+
- "on all ONOS instances")
+ main.log.info( "All devices have been discovered " +
+ "on all ONOS instances" )
json_str_topology_metrics_1 =\
main.ONOS1cli.topology_events_metrics()
json_str_topology_metrics_2 =\
main.ONOS2cli.topology_events_metrics()
json_str_topology_metrics_3 =\
main.ONOS3cli.topology_events_metrics()
-
- #Exit while loop if all devices discovered
- break
-
+
+ # Exit while loop if all devices discovered
+ break
+
counter_loop += 1
- #Give some time in between CLI calls
- #(will not affect measurement)
- time.sleep(3)
+ # Give some time in between CLI calls
+ #( will not affect measurement )
+ time.sleep( 3 )
main.ONOS1.tshark_stop()
-
- os.system("scp "+ONOS_user+"@"+ONOS1_ip+":"+
- tshark_ofp_output+" /tmp/")
- os.system("scp "+ONOS_user+"@"+ONOS1_ip+":"+
- tshark_tcp_output+" /tmp/")
- #TODO: Automate OFP output analysis
- #Debug mode - print out packets captured at runtime
- if debug_mode == 'on':
- ofp_file = open(tshark_ofp_output, 'r')
- main.log.info("Tshark OFP Vendor output: ")
+ os.system( "scp " + ONOS_user + "@" + ONOS1_ip + ":" +
+ tshark_ofp_output + " /tmp/" )
+ os.system( "scp " + ONOS_user + "@" + ONOS1_ip + ":" +
+ tshark_tcp_output + " /tmp/" )
+
+ # TODO: Automate OFP output analysis
+ # Debug mode - print out packets captured at runtime
+ if debug_mode == 'on':
+ ofp_file = open( tshark_ofp_output, 'r' )
+ main.log.info( "Tshark OFP Vendor output: " )
for line in ofp_file:
- tshark_ofp_result_list.append(line)
- main.log.info(line)
+ tshark_ofp_result_list.append( line )
+ main.log.info( line )
ofp_file.close()
- tcp_file = open(tshark_tcp_output, 'r')
- main.log.info("Tshark TCP 74 output: ")
+ tcp_file = open( tshark_tcp_output, 'r' )
+ main.log.info( "Tshark TCP 74 output: " )
for line in tcp_file:
- tshark_tcp_result_list.append(line)
- main.log.info(line)
+ tshark_tcp_result_list.append( line )
+ main.log.info( line )
tcp_file.close()
- json_obj_1 = json.loads(json_str_topology_metrics_1)
- json_obj_2 = json.loads(json_str_topology_metrics_2)
- json_obj_3 = json.loads(json_str_topology_metrics_3)
+ json_obj_1 = json.loads( json_str_topology_metrics_1 )
+ json_obj_2 = json.loads( json_str_topology_metrics_2 )
+ json_obj_3 = json.loads( json_str_topology_metrics_3 )
graph_timestamp_1 = \
- json_obj_1[graphTimestamp]['value']
+ json_obj_1[ graphTimestamp ][ 'value' ]
graph_timestamp_2 = \
- json_obj_2[graphTimestamp]['value']
+ json_obj_2[ graphTimestamp ][ 'value' ]
graph_timestamp_3 = \
- json_obj_3[graphTimestamp]['value']
+ json_obj_3[ graphTimestamp ][ 'value' ]
- graph_lat_1 = int(graph_timestamp_1) - int(t0_system)
- graph_lat_2 = int(graph_timestamp_2) - int(t0_system)
- graph_lat_3 = int(graph_timestamp_3) - int(t0_system)
+ graph_lat_1 = int( graph_timestamp_1 ) - int( t0_system )
+ graph_lat_2 = int( graph_timestamp_2 ) - int( t0_system )
+ graph_lat_3 = int( graph_timestamp_3 ) - int( t0_system )
avg_graph_lat = \
- (int(graph_lat_1) +\
- int(graph_lat_2) +\
- int(graph_lat_3)) / 3
-
+ ( int( graph_lat_1 ) +
+ int( graph_lat_2 ) +
+ int( graph_lat_3 ) ) / 3
+
if avg_graph_lat > sw_disc_threshold_min \
and avg_graph_lat < sw_disc_threshold_max:
sw_discovery_lat_list.append(
- avg_graph_lat)
+ avg_graph_lat )
else:
- main.log.info("100 Switch discovery latency "+
- "exceeded the threshold.")
-
- #END ITERATION FOR LOOP
+ main.log.info( "100 Switch discovery latency " +
+ "exceeded the threshold." )
- sw_lat_min = min(sw_discovery_lat_list)
- sw_lat_max = max(sw_discovery_lat_list)
- sw_lat_avg = sum(sw_discovery_lat_list) /\
- len(sw_discovery_lat_list)
+ # END ITERATION FOR LOOP
- main.log.report("100 Switch discovery lat "+\
- "Min: "+str(sw_lat_min)+" ms"+\
- "Max: "+str(sw_lat_max)+" ms"+\
- "Avg: "+str(sw_lat_avg)+" ms")
+ sw_lat_min = min( sw_discovery_lat_list )
+ sw_lat_max = max( sw_discovery_lat_list )
+ sw_lat_avg = sum( sw_discovery_lat_list ) /\
+ len( sw_discovery_lat_list )
-
+ main.log.report( "100 Switch discovery lat " +
+ "Min: " + str( sw_lat_min ) + " ms" +
+ "Max: " + str( sw_lat_max ) + " ms" +
+ "Avg: " + str( sw_lat_avg ) + " ms" )