| # TopoPerfNext |
| # |
| # Topology Performance test for ONOS-next |
| # |
| # andrew@onlab.us |
| # |
| # 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 ): |
| self.default = '' |
| |
| def CASE1( self, main ): |
| """ |
| ONOS startup sequence |
| """ |
| import time |
| |
| # Global cluster count for scale-out purposes |
| global clusterCount |
| # Set initial cluster count |
| clusterCount = 1 |
| ## |
| |
| cellName = main.params[ 'ENV' ][ 'cellName' ] |
| |
| gitPull = main.params[ 'GIT' ][ 'autoPull' ] |
| checkoutBranch = main.params[ 'GIT' ][ 'checkout' ] |
| |
| ONOS1Ip = main.params[ 'CTRL' ][ 'ip1' ] |
| ONOS2Ip = main.params[ 'CTRL' ][ 'ip2' ] |
| ONOS3Ip = main.params[ 'CTRL' ][ 'ip3' ] |
| ONOS4Ip = main.params[ 'CTRL' ][ 'ip4' ] |
| ONOS5Ip = main.params[ 'CTRL' ][ 'ip5' ] |
| ONOS6Ip = main.params[ 'CTRL' ][ 'ip6' ] |
| ONOS7Ip = main.params[ 'CTRL' ][ 'ip7' ] |
| |
| MN1Ip = main.params[ 'MN' ][ 'ip1' ] |
| BENCHIp = main.params[ 'BENCH' ][ 'ip' ] |
| |
| topoCfgFile = main.params[ 'TEST' ][ 'topoConfigFile' ] |
| topoCfgName = main.params[ 'TEST' ][ 'topoConfigName' ] |
| |
| mvnCleanInstall = main.params[ 'TEST' ][ 'mci' ] |
| |
| main.case( "Setting up test environment" ) |
| main.log.info( "Copying topology event accumulator config" + |
| " to ONOS /package/etc" ) |
| main.ONOSbench.handle.sendline( "cp ~/" + |
| topoCfgFile + |
| " ~/ONOS/tools/package/etc/" + |
| topoCfgName ) |
| main.ONOSbench.handle.expect( "\$" ) |
| |
| main.log.report( "Setting up test environment" ) |
| |
| main.step( "Cleaning previously installed ONOS if any" ) |
| main.ONOSbench.onosUninstall( nodeIp=ONOS2Ip ) |
| main.ONOSbench.onosUninstall( nodeIp=ONOS3Ip ) |
| main.ONOSbench.onosUninstall( nodeIp=ONOS4Ip ) |
| main.ONOSbench.onosUninstall( nodeIp=ONOS5Ip ) |
| main.ONOSbench.onosUninstall( nodeIp=ONOS6Ip ) |
| main.ONOSbench.onosUninstall( nodeIp=ONOS7Ip ) |
| |
| main.step( "Creating cell file" ) |
| cellFileResult = main.ONOSbench.createCellFile( |
| BENCHIp, cellName, MN1Ip, |
| "onos-core,onos-app-metrics,onos-app-gui", |
| ONOS1Ip ) |
| |
| main.step( "Applying cell file to environment" ) |
| cellApplyResult = main.ONOSbench.setCell( cellName ) |
| verifyCellResult = main.ONOSbench.verifyCell() |
| |
| # NOTE: This step may be removed after proper |
| # copy cat log functionality |
| main.step( "Removing raft/copy-cat logs from ONOS nodes" ) |
| main.ONOSbench.onosRemoveRaftLogs() |
| time.sleep( 30 ) |
| |
| main.step( "Git checkout and pull " + checkoutBranch ) |
| if gitPull == 'on': |
| # checkoutResult = \ |
| # main.ONOSbench.gitCheckout( checkoutBranch ) |
| checkoutResult = main.TRUE |
| pullResult = main.ONOSbench.gitPull() |
| else: |
| checkoutResult = main.TRUE |
| pullResult = main.TRUE |
| main.log.info( "Skipped git checkout and pull" ) |
| |
| main.log.report( "Commit information - " ) |
| main.ONOSbench.getVersion( report=True ) |
| |
| main.step( "Using mvn clean & install" ) |
| if mvnCleanInstall == 'on': |
| mvnResult = main.ONOSbench.cleanInstall() |
| elif mvnCleanInstall == 'off': |
| main.log.info("mci turned off by settings") |
| mvnResult = main.TRUE |
| |
| main.step( "Set cell for ONOS cli env" ) |
| main.ONOS1cli.setCell( cellName ) |
| # main.ONOS2cli.setCell( cellName ) |
| # main.ONOS3cli.setCell( cellName ) |
| |
| main.step( "Creating ONOS package" ) |
| packageResult = main.ONOSbench.onosPackage() |
| |
| main.step( "Installing ONOS package" ) |
| install1Result = main.ONOSbench.onosInstall( node=ONOS1Ip ) |
| #install2Result = main.ONOSbench.onosInstall( node=ONOS2Ip ) |
| #install3Result = main.ONOSbench.onosInstall( node=ONOS3Ip ) |
| |
| time.sleep( 10 ) |
| |
| main.step( "Start onos cli" ) |
| cli1 = main.ONOS1cli.startOnosCli( ONOS1Ip ) |
| #cli2 = main.ONOS2cli.startOnosCli( ONOS2Ip ) |
| #cli3 = main.ONOS3cli.startOnosCli( ONOS3Ip ) |
| |
| utilities.assert_equals( expect=main.TRUE, |
| actual=cellFileResult and cellApplyResult and |
| verifyCellResult and checkoutResult and |
| pullResult and mvnResult and |
| install1Result, # and install2Result and |
| # install3Result, |
| onpass="Test Environment setup successful", |
| onfail="Failed to setup test environment" ) |
| |
| 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 |
| measurement from OFP Vendor message to Graph change |
| 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 ) |
| """ |
| import time |
| import subprocess |
| import json |
| import requests |
| import os |
| import numpy |
| global clusterCount |
| |
| ONOS1Ip = main.params[ 'CTRL' ][ 'ip1' ] |
| ONOS2Ip = main.params[ 'CTRL' ][ 'ip2' ] |
| ONOS3Ip = main.params[ 'CTRL' ][ 'ip3' ] |
| ONOS4Ip = main.params[ 'CTRL' ][ 'ip4' ] |
| ONOS5Ip = main.params[ 'CTRL' ][ 'ip5' ] |
| ONOS6Ip = main.params[ 'CTRL' ][ 'ip6' ] |
| ONOS7Ip = main.params[ 'CTRL' ][ 'ip7' ] |
| |
| ONOSUser = main.params[ 'CTRL' ][ 'user' ] |
| |
| defaultSwPort = main.params[ 'CTRL' ][ 'port1' ] |
| |
| # Number of iterations of case |
| numIter = main.params[ 'TEST' ][ 'numIter' ] |
| # Number of first 'x' iterations to ignore: |
| iterIgnore = int( main.params[ 'TEST' ][ 'iterIgnore' ] ) |
| |
| # 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' ] |
| |
| debugMode = main.params[ 'TEST' ][ 'debugMode' ] |
| onosLog = main.params[ 'TEST' ][ 'onosLogFile' ] |
| |
| # Threshold for the test |
| thresholdStr = main.params[ 'TEST' ][ 'singleSwThreshold' ] |
| thresholdObj = thresholdStr.split( "," ) |
| thresholdMin = int( thresholdObj[ 0 ] ) |
| thresholdMax = int( thresholdObj[ 1 ] ) |
| |
| # List of switch add latency collected from |
| # all iterations |
| latencyEndToEndList = [] |
| latencyOfpToGraphList = [] |
| latencyOfpToDeviceList = [] |
| latencyT0ToDeviceList = [] |
| latencyTcpToOfpList = [] |
| |
| # Initialize 2d array for [node][iteration] storage |
| endToEndLatNodeIter = numpy.zeros(( clusterCount, int(numIter) )) |
| ofpToGraphLatNodeIter = numpy.zeros(( clusterCount, int(numIter) )) |
| # tcp-to-ofp measurements are same throughout each iteration |
| tcpToOfpLatIter = [] |
| |
| # Directory/file to store tshark results |
| tsharkOfOutput = "/tmp/tshark_of_topo.txt" |
| tsharkTcpOutput = "/tmp/tshark_tcp_topo.txt" |
| |
| # String to grep in tshark output |
| tsharkTcpString = "TCP 74 " + defaultSwPort |
| tsharkOfString = "OFP 86 Vendor" |
| |
| # Initialize assertion to TRUE |
| assertion = main.TRUE |
| |
| localTime = time.strftime( '%x %X' ) |
| localTime = localTime.replace( "/", "" ) |
| localTime = localTime.replace( " ", "_" ) |
| localTime = localTime.replace( ":", "" ) |
| if debugMode == 'on': |
| main.ONOS1.tsharkPcap( "eth0", |
| "/tmp/single_sw_lat_pcap_" + localTime ) |
| |
| main.log.info( "Debug mode is on" ) |
| |
| main.log.report( "Latency of adding one switch to controller" ) |
| main.log.report( "First " + str( iterIgnore ) + " iterations ignored" + |
| " for jvm warmup time" ) |
| main.log.report( "Total iterations of test: " + str( numIter ) ) |
| |
| for i in range( 0, int( numIter ) ): |
| main.log.info( "Starting tshark capture" ) |
| |
| #* TCP [ ACK, SYN ] is used as t0A, the |
| # very first "exchange" between ONOS and |
| # the switch for end-to-end measurement |
| #* OFP [ Stats Reply ] is used for t0B |
| # the very last OFP message between ONOS |
| # and the switch for ONOS measurement |
| main.ONOS1.tsharkGrep( tsharkTcpString, |
| tsharkTcpOutput ) |
| main.ONOS1.tsharkGrep( tsharkOfString, |
| tsharkOfOutput ) |
| |
| # Wait and ensure tshark is started and |
| # capturing |
| time.sleep( 10 ) |
| |
| main.log.info( "Assigning s1 to controller" ) |
| |
| main.Mininet1.assignSwController( |
| sw="1", |
| ip1=ONOS1Ip, |
| port1=defaultSwPort ) |
| |
| # Wait and ensure switch is assigned |
| # before stopping tshark |
| time.sleep( 30 ) |
| |
| main.log.info( "Stopping all Tshark processes" ) |
| main.ONOS1.stopTshark() |
| |
| # 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 tsharkTcpOutput directory>file |
| os.system( "scp " + ONOSUser + "@" + ONOS1Ip + ":" + |
| tsharkTcpOutput + " /tmp/" ) |
| tcpFile = open( tsharkTcpOutput, 'r' ) |
| tempText = tcpFile.readline() |
| tempText = tempText.split( " " ) |
| |
| main.log.info( "Object read in from TCP capture: " + |
| str( tempText ) ) |
| if len( tempText ) > 1: |
| t0Tcp = float( tempText[ 1 ] ) * 1000.0 |
| else: |
| main.log.error( "Tshark output file for TCP" + |
| " returned unexpected results" ) |
| t0Tcp = 0 |
| assertion = main.FALSE |
| |
| tcpFile.close() |
| #**************** |
| |
| # OF CAPTURE **** |
| os.system( "scp " + ONOSUser + "@" + ONOS1Ip + ":" + |
| tsharkOfOutput + " /tmp/" ) |
| ofFile = open( tsharkOfOutput, 'r' ) |
| |
| lineOfp = "" |
| # Read until last line of file |
| while True: |
| tempText = ofFile.readline() |
| if tempText != '': |
| lineOfp = tempText |
| else: |
| break |
| obj = lineOfp.split( " " ) |
| |
| main.log.info( "Object read in from OFP capture: " + |
| str( lineOfp ) ) |
| |
| if len( lineOfp ) > 1: |
| t0Ofp = float( obj[ 1 ] ) * 1000.0 |
| else: |
| main.log.error( "Tshark output file for OFP" + |
| " returned unexpected results" ) |
| t0Ofp = 0 |
| assertion = main.FALSE |
| |
| ofFile.close() |
| #**************** |
| |
| jsonStr1 = main.ONOS1cli.topologyEventsMetrics() |
| # Initialize scale-out variables |
| jsonStr2 = "" |
| jsonStr3 = "" |
| jsonStr4 = "" |
| jsonStr5 = "" |
| jsonStr6 = "" |
| jsonStr7 = "" |
| |
| jsonObj1 = json.loads( jsonStr1 ) |
| # Initialize scale-out variables |
| jsonObj2 = "" |
| jsonObj3 = "" |
| jsonObj4 = "" |
| jsonObj5 = "" |
| jsonObj6 = "" |
| jsonObj7 = "" |
| |
| # Obtain graph timestamp. This timestsamp captures |
| # the epoch time at which the topology graph was updated. |
| graphTimestamp1 = \ |
| jsonObj1[ graphTimestamp ][ 'value' ] |
| # Obtain device timestamp. This timestamp captures |
| # the epoch time at which the device event happened |
| deviceTimestamp1 = \ |
| jsonObj1[ deviceTimestamp ][ 'value' ] |
| |
| # t0 to device processing latency |
| deltaDevice1 = int( deviceTimestamp1 ) - int( t0Tcp ) |
| # t0 to graph processing latency ( end-to-end ) |
| deltaGraph1 = int( graphTimestamp1 ) - int( t0Tcp ) |
| # ofp to graph processing latency ( ONOS processing ) |
| deltaOfpGraph1 = int( graphTimestamp1 ) - int( t0Ofp ) |
| # ofp to device processing latency ( ONOS processing ) |
| deltaOfpDevice1 = float( deviceTimestamp1 ) - float( t0Ofp ) |
| # tcp to ofp processing latency ( switch connection ) |
| deltaTcpOfp1 = int(t0Ofp) - int(t0Tcp) |
| |
| if deltaTcpOfp1 > thresholdMin and deltaTcpOfp1 < thresholdMax\ |
| and i >= iterIgnore: |
| tcpToOfpLatIter.append(deltaTcpOfp1) |
| main.log.info("iter"+str(i)+" tcp-to-ofp: "+ |
| str(deltaTcpOfp1)+" ms") |
| else: |
| tcpToOfpLatIter.append(0) |
| main.log.info("iter"+str(i)+" tcp-to-ofp: "+ |
| str(deltaTcpOfp1)+" ms - ignored this iteration") |
| |
| # Store initial measurements in data array |
| #This measurement is for node 1 |
| |
| if deltaGraph1 > thresholdMin and deltaGraph1 < thresholdMax\ |
| and i >= iterIgnore: |
| endToEndLatNodeIter[0][i] = deltaGraph1 |
| main.log.info("ONOS1 iter"+str(i)+" end-to-end: "+ |
| str(deltaGraph1)+" ms") |
| else: |
| main.log.info("ONOS1 iter"+str(i)+" end-to-end: "+ |
| str(deltaGraph1)+" ms - ignored this iteration") |
| |
| |
| if deltaOfpGraph1 > thresholdMin and deltaOfpGraph1 < thresholdMax\ |
| and i >= iterIgnore: |
| ofpToGraphLatNodeIter[0][i] = deltaOfpGraph1 |
| |
| main.log.info("ONOS1 iter"+str(i)+" ofp-to-graph: "+ |
| str(deltaOfpGraph1)+" ms") |
| |
| # TODO: Create even cluster number events |
| |
| # Include scale-out measurements when applicable |
| if clusterCount >= 3: |
| jsonStr2 = main.ONOS2cli.topologyEventsMetrics() |
| jsonStr3 = main.ONOS3cli.topologyEventsMetrics() |
| jsonObj2 = json.loads( jsonStr2 ) |
| jsonObj3 = json.loads( jsonStr3 ) |
| graphTimestamp2 = \ |
| jsonObj2[ graphTimestamp ][ 'value' ] |
| graphTimestamp3 = \ |
| jsonObj3[ graphTimestamp ][ 'value' ] |
| deviceTimestamp2 = \ |
| jsonObj2[ deviceTimestamp ][ 'value' ] |
| deviceTimestamp3 = \ |
| jsonObj3[ deviceTimestamp ][ 'value' ] |
| deltaDevice2 = int( deviceTimestamp2 ) - int( t0Tcp ) |
| deltaDevice3 = int( deviceTimestamp3 ) - int( t0Tcp ) |
| deltaGraph2 = int( graphTimestamp2 ) - int( t0Tcp ) |
| deltaGraph3 = int( graphTimestamp3 ) - int( t0Tcp ) |
| deltaOfpGraph2 = int( graphTimestamp2 ) - int( t0Ofp ) |
| deltaOfpGraph3 = int( graphTimestamp3 ) - int( t0Ofp ) |
| deltaOfpDevice2 = float( deviceTimestamp2 ) -\ |
| float( t0Ofp ) |
| deltaOfpDevice3 = float( deviceTimestamp3 ) -\ |
| float( t0Ofp ) |
| |
| if deltaGraph2 > thresholdMin and\ |
| deltaGraph2 < thresholdMax and i >= iterIgnore: |
| endToEndLatNodeIter[1][i] = deltaGraph2 |
| main.log.info("ONOS2 iter"+str(i)+" end-to-end: "+ |
| str(deltaGraph2)+" ms") |
| |
| if deltaOfpGraph2 > thresholdMin and\ |
| deltaOfpGraph2 < thresholdMax and i >= iterIgnore: |
| ofpToGraphLatNodeIter[1][i] = deltaOfpGraph2 |
| main.log.info("ONOS2 iter"+str(i)+" ofp-to-graph: "+ |
| str(deltaOfpGraph2)+" ms") |
| |
| if deltaGraph3 > thresholdMin and\ |
| deltaGraph3 < thresholdMax and i >= iterIgnore: |
| endToEndLatNodeIter[2][i] = deltaGraph3 |
| main.log.info("ONOS3 iter"+str(i)+" end-to-end: "+ |
| str(deltaGraph3)+" ms") |
| |
| if deltaOfpGraph3 > thresholdMin and\ |
| deltaOfpGraph3 < thresholdMax and i >= iterIgnore: |
| ofpToGraphLatNodeIter[2][i] = deltaOfpGraph3 |
| main.log.info("ONOS3 iter"+str(i)+" ofp-to-graph: "+ |
| str(deltaOfpGraph3)+" ms") |
| |
| if clusterCount >= 5: |
| jsonStr4 = main.ONOS4cli.topologyEventsMetrics() |
| jsonStr5 = main.ONOS5cli.topologyEventsMetrics() |
| jsonObj4 = json.loads( jsonStr4 ) |
| jsonObj5 = json.loads( jsonStr5 ) |
| graphTimestamp4 = \ |
| jsonObj4[ graphTimestamp ][ 'value' ] |
| graphTimestamp5 = \ |
| jsonObj5[ graphTimestamp ][ 'value' ] |
| deviceTimestamp4 = \ |
| jsonObj4[ deviceTimestamp ][ 'value' ] |
| deviceTimestamp5 = \ |
| jsonObj5[ deviceTimestamp ][ 'value' ] |
| deltaDevice4 = int( deviceTimestamp4 ) - int( t0Tcp ) |
| deltaDevice5 = int( deviceTimestamp5 ) - int( t0Tcp ) |
| deltaGraph4 = int( graphTimestamp4 ) - int( t0Tcp ) |
| deltaGraph5 = int( graphTimestamp5 ) - int( t0Tcp ) |
| deltaOfpGraph4 = int( graphTimestamp4 ) - int( t0Ofp ) |
| deltaOfpGraph5 = int( graphTimestamp5 ) - int( t0Ofp ) |
| deltaOfpDevice4 = float( deviceTimestamp4 ) -\ |
| float( t0Ofp ) |
| deltaOfpDevice5 = float( deviceTimestamp5 ) -\ |
| float( t0Ofp ) |
| |
| if deltaGraph4 > thresholdMin and\ |
| deltaGraph4 < thresholdMax and i >= iterIgnore: |
| endToEndLatNodeIter[3][i] = deltaGraph4 |
| main.log.info("ONOS4 iter"+str(i)+" end-to-end: "+ |
| str(deltaGraph4)+" ms") |
| |
| #TODO: |
| if deltaOfpGraph4 > thresholdMin and\ |
| deltaOfpGraph4 < thresholdMax and i >= iterIgnore: |
| ofpToGraphLatNodeIter[3][i] = deltaOfpGraph4 |
| main.log.info("ONOS4 iter"+str(i)+" ofp-to-graph: "+ |
| str(deltaOfpGraph4)+" ms") |
| |
| if deltaGraph5 > thresholdMin and\ |
| deltaGraph5 < thresholdMax and i >= iterIgnore: |
| endToEndLatNodeIter[4][i] = deltaGraph5 |
| main.log.info("ONOS5 iter"+str(i)+" end-to-end: "+ |
| str(deltaGraph5)+" ms") |
| |
| if deltaOfpGraph5 > thresholdMin and\ |
| deltaOfpGraph5 < thresholdMax and i >= iterIgnore: |
| ofpToGraphLatNodeIter[4][i] = deltaOfpGraph5 |
| main.log.info("ONOS5 iter"+str(i)+" ofp-to-graph: "+ |
| str(deltaOfpGraph5)+" ms") |
| |
| if clusterCount >= 7: |
| jsonStr6 = main.ONOS6cli.topologyEventsMetrics() |
| jsonStr7 = main.ONOS7cli.topologyEventsMetrics() |
| jsonObj6 = json.loads( jsonStr6 ) |
| jsonObj7 = json.loads( jsonStr7 ) |
| graphTimestamp6 = \ |
| jsonObj6[ graphTimestamp ][ 'value' ] |
| graphTimestamp7 = \ |
| jsonObj7[ graphTimestamp ][ 'value' ] |
| deviceTimestamp6 = \ |
| jsonObj6[ deviceTimestamp ][ 'value' ] |
| deviceTimestamp7 = \ |
| jsonObj7[ deviceTimestamp ][ 'value' ] |
| deltaDevice6 = int( deviceTimestamp6 ) - int( t0Tcp ) |
| deltaDevice7 = int( deviceTimestamp7 ) - int( t0Tcp ) |
| deltaGraph6 = int( graphTimestamp6 ) - int( t0Tcp ) |
| deltaGraph7 = int( graphTimestamp7 ) - int( t0Tcp ) |
| deltaOfpGraph6 = int( graphTimestamp6 ) - int( t0Ofp ) |
| deltaOfpGraph7 = int( graphTimestamp7 ) - int( t0Ofp ) |
| deltaOfpDevice6 = float( deviceTimestamp6 ) -\ |
| float( t0Ofp ) |
| deltaOfpDevice7 = float( deviceTimestamp7 ) -\ |
| float( t0Ofp ) |
| |
| if deltaGraph6 > thresholdMin and\ |
| deltaGraph6 < thresholdMax and i >= iterIgnore: |
| endToEndLatNodeIter[5][i] = deltaGraph6 |
| main.log.info("ONOS6 iter"+str(i)+" end-to-end: "+ |
| str(deltaGraph6)+" ms") |
| |
| #TODO: |
| if deltaOfpGraph6 > thresholdMin and\ |
| deltaOfpGraph6 < thresholdMax and i >= iterIgnore: |
| ofpToGraphLatNodeIter[5][i] = deltaOfpGraph6 |
| main.log.info("ONOS6 iter"+str(i)+" ofp-to-graph: "+ |
| str(deltaOfpGraph6)+" ms") |
| |
| if deltaGraph7 > thresholdMin and\ |
| deltaGraph7 < thresholdMax and i >= iterIgnore: |
| endToEndLatNodeIter[6][i] = deltaGraph7 |
| main.log.info("ONOS7 iter"+str(i)+" end-to-end: "+ |
| str(deltaGraph7)+" ms") |
| |
| if deltaOfpGraph7 > thresholdMin and\ |
| deltaOfpGraph7 < thresholdMax and i >= iterIgnore: |
| ofpToGraphLatNodeIter[6][i] = deltaOfpGraph7 |
| main.log.info("ONOS7 iter"+str(i)+" ofp-to-graph: "+ |
| str(deltaOfpGraph7)+" ms") |
| |
| main.step( "Remove switch from controller" ) |
| main.Mininet1.deleteSwController( "s1" ) |
| |
| time.sleep( 5 ) |
| |
| # END of for loop iteration |
| |
| #str( round( numpy.std( latencyT0ToDeviceList ), 1 ) ) |
| |
| endToEndAvg = 0 |
| ofpToGraphAvg = 0 |
| endToEndList = [] |
| ofpToGraphList = [] |
| |
| for node in range( 0, clusterCount ): |
| # The latency 2d array was initialized to 0. |
| # If an iteration was ignored, then we have some 0's in |
| # our calculation. To avoid having this interfere with our |
| # results, we must delete any index where 0 is found... |
| # WARN: Potentially, we could have latency that hovers at |
| # 0 ms once we have optimized code. FIXME for when this is |
| # the case. Being able to obtain sub-millisecond accuracy |
| # can prevent this from happening |
| for item in endToEndLatNodeIter[node]: |
| if item > 0.0: |
| endToEndList.append(item) |
| for item in ofpToGraphLatNodeIter[node]: |
| if item > 0.0: |
| ofpToGraphList.append(item) |
| |
| endToEndAvg = numpy.mean(endToEndList) |
| ofpToGraphAvg = numpy.mean(ofpToGraphList) |
| |
| main.log.report( " - Node "+str(node+1)+" Summary - " ) |
| main.log.report( " End-to-end Avg: "+ |
| str(round(endToEndAvg,2))+" ms"+ |
| " End-to-end Std dev: "+ |
| str(round(numpy.std(endToEndList),2))+" ms") |
| main.log.report( " Ofp-to-graph Avg: "+ |
| str(round(ofpToGraphAvg,2))+" ms"+ |
| " Ofp-to-graph Std dev: "+ |
| str(round(numpy.std(ofpToGraphList),2))+ |
| " ms") |
| |
| if debugMode == 'on': |
| main.ONOS1.cpLogsToDir( "/opt/onos/log/karaf.log", |
| "/tmp/", copyFileName="sw_lat_karaf" ) |
| |
| #TODO: correct assert |
| assertion = main.TRUE |
| |
| utilities.assert_equals( expect=main.TRUE, actual=assertion, |
| onpass="Switch latency test successful", |
| onfail="Switch latency test failed" ) |
| |
| 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 |
| manipulating is connected to another switch with a valid |
| connection. Otherwise, graph view will not be updated. |
| """ |
| import time |
| import subprocess |
| import os |
| import requests |
| import json |
| import numpy |
| global clusterCount |
| |
| ONOS1Ip = main.params[ 'CTRL' ][ 'ip1' ] |
| ONOS2Ip = main.params[ 'CTRL' ][ 'ip2' ] |
| ONOS3Ip = main.params[ 'CTRL' ][ 'ip3' ] |
| ONOSUser = main.params[ 'CTRL' ][ 'user' ] |
| |
| defaultSwPort = main.params[ 'CTRL' ][ 'port1' ] |
| |
| assertion = main.TRUE |
| # Number of iterations of case |
| numIter = 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' ] |
| |
| debugMode = main.params[ 'TEST' ][ 'debugMode' ] |
| |
| localTime = time.strftime( '%x %X' ) |
| localTime = localTime.replace( "/", "" ) |
| localTime = localTime.replace( " ", "_" ) |
| localTime = localTime.replace( ":", "" ) |
| if debugMode == 'on': |
| main.ONOS1.tsharkPcap( "eth0", |
| "/tmp/port_lat_pcap_" + localTime ) |
| |
| # Threshold for this test case |
| upThresholdStr = main.params[ 'TEST' ][ 'portUpThreshold' ] |
| downThresholdStr = main.params[ 'TEST' ][ 'portDownThreshold' ] |
| |
| upThresholdObj = upThresholdStr.split( "," ) |
| downThresholdObj = downThresholdStr.split( "," ) |
| |
| upThresholdMin = int( upThresholdObj[ 0 ] ) |
| upThresholdMax = int( upThresholdObj[ 1 ] ) |
| |
| downThresholdMin = int( downThresholdObj[ 0 ] ) |
| downThresholdMax = int( downThresholdObj[ 1 ] ) |
| |
| # NOTE: Some hardcoded variables you may need to configure |
| # besides the params |
| |
| tsharkPortStatus = "OFP 130 Port Status" |
| |
| tsharkPortUp = "/tmp/tshark_port_up.txt" |
| tsharkPortDown = "/tmp/tshark_port_down.txt" |
| interfaceConfig = "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( numIter ) ) |
| |
| main.step( "Assign switches s1 and s2 to controller 1" ) |
| main.Mininet1.assignSwController( sw="1", ip1=ONOS1Ip, |
| port1=defaultSwPort ) |
| main.Mininet1.assignSwController( sw="2", ip1=ONOS1Ip, |
| port1=defaultSwPort ) |
| |
| # Give enough time for metrics to propagate the |
| # assign controller event. Otherwise, these events may |
| # carry over to our measurements |
| time.sleep( 15 ) |
| |
| portUpDeviceToOfpList = [] |
| portUpGraphToOfpList = [] |
| portDownDeviceToOfpList = [] |
| portDownGraphToOfpList = [] |
| |
| for i in range( 0, int( numIter ) ): |
| main.step( "Starting wireshark capture for port status down" ) |
| main.ONOS1.tsharkGrep( tsharkPortStatus, |
| tsharkPortDown ) |
| |
| time.sleep( 5 ) |
| |
| # Disable interface that is connected to switch 2 |
| main.step( "Disable port: " + interfaceConfig ) |
| main.Mininet1.handle.sendline( "sh ifconfig " + |
| interfaceConfig + " down" ) |
| main.Mininet1.handle.expect( "mininet>" ) |
| |
| time.sleep( 3 ) |
| main.ONOS1.tsharkStop() |
| |
| # Copy tshark output file from ONOS to TestON instance |
| #/tmp directory |
| os.system( "scp " + ONOSUser + "@" + ONOS1Ip + ":" + |
| tsharkPortDown + " /tmp/" ) |
| |
| fPortDown = open( tsharkPortDown, 'r' ) |
| # Get first line of port down event from tshark |
| fLine = fPortDown.readline() |
| objDown = fLine.split( " " ) |
| if len( fLine ) > 0: |
| # NOTE: objDown[ 1 ] is a very unreliable |
| # way to determine the timestamp. If |
| # results seem way off, check the object |
| # itself by printing it out |
| timestampBeginPtDown = int( float( objDown[ 1 ] ) * 1000 ) |
| # For some reason, wireshark decides to record the |
| # timestamp at the 3rd object position instead of |
| # 2nd at unpredictable times. This statement is |
| # used to capture that odd behavior and use the |
| # correct epoch time |
| if timestampBeginPtDown < 1400000000000: |
| timestampBeginPtDown = \ |
| int( float( objDown[ 2 ] ) * 1000 ) |
| |
| main.log.info( "Port down begin timestamp: " + |
| str( timestampBeginPtDown ) ) |
| else: |
| main.log.info( "Tshark output file returned unexpected" + |
| " results: " + str( objDown ) ) |
| timestampBeginPtDown = 0 |
| fPortDown.close() |
| |
| main.step( "Obtain t1 by metrics call" ) |
| jsonStrUp1 = main.ONOS1cli.topologyEventsMetrics() |
| jsonObj1 = json.loads( jsonStrUp1 ) |
| # Obtain graph timestamp. This timestsamp captures |
| # the epoch time at which the topology graph was updated. |
| graphTimestamp1 = \ |
| jsonObj1[ graphTimestamp ][ 'value' ] |
| # Obtain device timestamp. This timestamp captures |
| # the epoch time at which the device event happened |
| deviceTimestamp1 = \ |
| jsonObj1[ deviceTimestamp ][ 'value' ] |
| # Get delta between graph event and OFP |
| ptDownGraphToOfp1 = int( graphTimestamp1 ) -\ |
| int( timestampBeginPtDown ) |
| # Get delta between device event and OFP |
| ptDownDeviceToOfp1 = int( deviceTimestamp1 ) -\ |
| int( timestampBeginPtDown ) |
| |
| if clusterCount >= 3: |
| jsonStrUp2 = main.ONOS2cli.topologyEventsMetrics() |
| jsonStrUp3 = main.ONOS3cli.topologyEventsMetrics() |
| jsonObj2 = json.loads( jsonStrUp2 ) |
| jsonObj3 = json.loads( jsonStrUp3 ) |
| graphTimestamp2 = \ |
| jsonObj2[ graphTimestamp ][ 'value' ] |
| graphTimestamp3 = \ |
| jsonObj3[ graphTimestamp ][ 'value' ] |
| deviceTimestamp2 = \ |
| jsonObj2[ deviceTimestamp ][ 'value' ] |
| deviceTimestamp3 = \ |
| jsonObj3[ deviceTimestamp ][ 'value' ] |
| ptDownGraphToOfp2 = int( graphTimestamp2 ) -\ |
| int( timestampBeginPtDown ) |
| ptDownGraphToOfp3 = int( graphTimestamp3 ) -\ |
| int( timestampBeginPtDown ) |
| ptDownDeviceToOfp2 = int( deviceTimestamp2 ) -\ |
| int( timestampBeginPtDown ) |
| ptDownDeviceToOfp3 = int( deviceTimestamp3 ) -\ |
| int( timestampBeginPtDown ) |
| else: |
| ptDownGraphToOfp2 = 0 |
| ptDownGraphToOfp3 = 0 |
| ptDownDeviceToOfp2 = 0 |
| ptDownDeviceToOfp3 = 0 |
| |
| if clusterCount >= 5: |
| jsonStrUp4 = main.ONOS4cli.topologyEventsMetrics() |
| jsonStrUp5 = main.ONOS5cli.topologyEventsMetrics() |
| jsonObj4 = json.loads( jsonStrUp4 ) |
| jsonObj5 = json.loads( jsonStrUp5 ) |
| graphTimestamp4 = \ |
| jsonObj4[ graphTimestamp ][ 'value' ] |
| graphTimestamp5 = \ |
| jsonObj5[ graphTimestamp ][ 'value' ] |
| deviceTimestamp4 = \ |
| jsonObj4[ deviceTimestamp ][ 'value' ] |
| deviceTimestamp5 = \ |
| jsonObj5[ deviceTimestamp ][ 'value' ] |
| ptDownGraphToOfp4 = int( graphTimestamp4 ) -\ |
| int( timestampBeginPtDown ) |
| ptDownGraphToOfp5 = int( graphTimestamp5 ) -\ |
| int( timestampBeginPtDown ) |
| ptDownDeviceToOfp4 = int( deviceTimestamp4 ) -\ |
| int( timestampBeginPtDown ) |
| ptDownDeviceToOfp5 = int( deviceTimestamp5 ) -\ |
| int( timestampBeginPtDown ) |
| else: |
| ptDownGraphToOfp4 = 0 |
| ptDownGraphToOfp5 = 0 |
| ptDownDeviceToOfp4 = 0 |
| ptDownDeviceToOfp5 = 0 |
| |
| if clusterCount >= 7: |
| jsonStrUp6 = main.ONOS6cli.topologyEventsMetrics() |
| jsonStrUp7 = main.ONOS7cli.topologyEventsMetrics() |
| jsonObj6 = json.loads( jsonStrUp6 ) |
| jsonObj7 = json.loads( jsonStrUp7 ) |
| graphTimestamp6 = \ |
| jsonObj6[ graphTimestamp ][ 'value' ] |
| graphTimestamp7 = \ |
| jsonObj7[ graphTimestamp ][ 'value' ] |
| deviceTimestamp6 = \ |
| jsonObj6[ deviceTimestamp ][ 'value' ] |
| deviceTimestamp7 = \ |
| jsonObj7[ deviceTimestamp ][ 'value' ] |
| ptDownGraphToOfp6 = int( graphTimestamp6 ) -\ |
| int( timestampBeginPtDown ) |
| ptDownGraphToOfp7 = int( graphTimestamp7 ) -\ |
| int( timestampBeginPtDown ) |
| ptDownDeviceToOfp6 = int( deviceTimestamp6 ) -\ |
| int( timestampBeginPtDown ) |
| ptDownDeviceToOfp7 = int( deviceTimestamp7 ) -\ |
| int( timestampBeginPtDown ) |
| else: |
| ptDownGraphToOfp6 = 0 |
| ptDownGraphToOfp7 = 0 |
| ptDownDeviceToOfp6 = 0 |
| ptDownDeviceToOfp7 = 0 |
| |
| time.sleep( 3 ) |
| |
| # Caluclate average across clusters |
| ptDownGraphToOfpAvg =\ |
| ( int( ptDownGraphToOfp1 ) + |
| int( ptDownGraphToOfp2 ) + |
| int( ptDownGraphToOfp3 ) + |
| int( ptDownGraphToOfp4 ) + |
| int( ptDownGraphToOfp5 ) + |
| int( ptDownGraphToOfp6 ) + |
| int( ptDownGraphToOfp7 ) ) / clusterCount |
| ptDownDeviceToOfpAvg = \ |
| ( int( ptDownDeviceToOfp1 ) + |
| int( ptDownDeviceToOfp2 ) + |
| int( ptDownDeviceToOfp3 ) + |
| int( ptDownDeviceToOfp4 ) + |
| int( ptDownDeviceToOfp5 ) + |
| int( ptDownDeviceToOfp6 ) + |
| int( ptDownDeviceToOfp7 ) ) / clusterCount |
| |
| if ptDownGraphToOfpAvg > downThresholdMin and \ |
| ptDownGraphToOfpAvg < downThresholdMax: |
| portDownGraphToOfpList.append( |
| ptDownGraphToOfpAvg ) |
| main.log.info( "Port down: graph to ofp avg: " + |
| str( ptDownGraphToOfpAvg ) + " ms" ) |
| else: |
| main.log.info( "Average port down graph-to-ofp result" + |
| " exceeded the threshold: " + |
| str( ptDownGraphToOfpAvg ) ) |
| |
| if ptDownDeviceToOfpAvg > 0 and \ |
| ptDownDeviceToOfpAvg < 1000: |
| portDownDeviceToOfpList.append( |
| ptDownDeviceToOfpAvg ) |
| main.log.info( "Port down: device to ofp avg: " + |
| str( ptDownDeviceToOfpAvg ) + " ms" ) |
| else: |
| main.log.info( "Average port down device-to-ofp result" + |
| " exceeded the threshold: " + |
| str( ptDownDeviceToOfpAvg ) ) |
| |
| # Port up events |
| main.step( "Enable port and obtain timestamp" ) |
| main.step( "Starting wireshark capture for port status up" ) |
| main.ONOS1.tsharkGrep( tsharkPortStatus, tsharkPortUp ) |
| time.sleep( 5 ) |
| |
| main.Mininet1.handle.sendline( "sh ifconfig " + |
| interfaceConfig + " up" ) |
| main.Mininet1.handle.expect( "mininet>" ) |
| |
| # Allow time for tshark to capture event |
| time.sleep( 5 ) |
| main.ONOS1.tsharkStop() |
| |
| time.sleep( 3 ) |
| os.system( "scp " + ONOSUser + "@" + ONOS1Ip + ":" + |
| tsharkPortUp + " /tmp/" ) |
| fPortUp = open( tsharkPortUp, 'r' ) |
| fLine = fPortUp.readline() |
| objUp = fLine.split( " " ) |
| if len( fLine ) > 0: |
| timestampBeginPtUp = int( float( objUp[ 1 ] ) * 1000 ) |
| if timestampBeginPtUp < 1400000000000: |
| timestampBeginPtUp = \ |
| int( float( objUp[ 2 ] ) * 1000 ) |
| main.log.info( "Port up begin timestamp: " + |
| str( timestampBeginPtUp ) ) |
| else: |
| main.log.info( "Tshark output file returned unexpected" + |
| " results." ) |
| timestampBeginPtUp = 0 |
| fPortUp.close() |
| |
| # Obtain metrics shortly afterwards |
| # This timestsamp captures |
| # the epoch time at which the topology graph was updated. |
| main.step( "Obtain t1 by REST call" ) |
| jsonStrUp1 = main.ONOS1cli.topologyEventsMetrics() |
| jsonObj1 = json.loads( jsonStrUp1 ) |
| graphTimestamp1 = \ |
| jsonObj1[ graphTimestamp ][ 'value' ] |
| # Obtain device timestamp. This timestamp captures |
| # the epoch time at which the device event happened |
| deviceTimestamp1 = \ |
| jsonObj1[ deviceTimestamp ][ 'value' ] |
| # Get delta between graph event and OFP |
| ptUpGraphToOfp1 = int( graphTimestamp1 ) -\ |
| int( timestampBeginPtUp ) |
| # Get delta between device event and OFP |
| ptUpDeviceToOfp1 = int( deviceTimestamp1 ) -\ |
| int( timestampBeginPtUp ) |
| |
| if clusterCount >= 3: |
| jsonStrUp2 = main.ONOS2cli.topologyEventsMetrics() |
| jsonStrUp3 = main.ONOS3cli.topologyEventsMetrics() |
| jsonObj2 = json.loads( jsonStrUp2 ) |
| jsonObj3 = json.loads( jsonStrUp3 ) |
| graphTimestamp2 = \ |
| jsonObj2[ graphTimestamp ][ 'value' ] |
| graphTimestamp3 = \ |
| jsonObj3[ graphTimestamp ][ 'value' ] |
| deviceTimestamp2 = \ |
| jsonObj2[ deviceTimestamp ][ 'value' ] |
| deviceTimestamp3 = \ |
| jsonObj3[ deviceTimestamp ][ 'value' ] |
| ptUpGraphToOfp2 = int( graphTimestamp2 ) -\ |
| int( timestampBeginPtUp ) |
| ptUpGraphToOfp3 = int( graphTimestamp3 ) -\ |
| int( timestampBeginPtUp ) |
| ptUpDeviceToOfp2 = int( deviceTimestamp2 ) -\ |
| int( timestampBeginPtUp ) |
| ptUpDeviceToOfp3 = int( deviceTimestamp3 ) -\ |
| int( timestampBeginPtUp ) |
| else: |
| ptUpGraphToOfp2 = 0 |
| ptUpGraphToOfp3 = 0 |
| ptUpDeviceToOfp2 = 0 |
| ptUpDeviceToOfp3 = 0 |
| |
| if clusterCount >= 5: |
| jsonStrUp4 = main.ONOS4cli.topologyEventsMetrics() |
| jsonStrUp5 = main.ONOS5cli.topologyEventsMetrics() |
| jsonObj4 = json.loads( jsonStrUp4 ) |
| jsonObj5 = json.loads( jsonStrUp5 ) |
| graphTimestamp4 = \ |
| jsonObj4[ graphTimestamp ][ 'value' ] |
| graphTimestamp5 = \ |
| jsonObj5[ graphTimestamp ][ 'value' ] |
| deviceTimestamp4 = \ |
| jsonObj4[ deviceTimestamp ][ 'value' ] |
| deviceTimestamp5 = \ |
| jsonObj5[ deviceTimestamp ][ 'value' ] |
| ptUpGraphToOfp4 = int( graphTimestamp4 ) -\ |
| int( timestampBeginPtUp ) |
| ptUpGraphToOfp5 = int( graphTimestamp5 ) -\ |
| int( timestampBeginPtUp ) |
| ptUpDeviceToOfp4 = int( deviceTimestamp4 ) -\ |
| int( timestampBeginPtUp ) |
| ptUpDeviceToOfp5 = int( deviceTimestamp5 ) -\ |
| int( timestampBeginPtUp ) |
| else: |
| ptUpGraphToOfp4 = 0 |
| ptUpGraphToOfp5 = 0 |
| ptUpDeviceToOfp4 = 0 |
| ptUpDeviceToOfp5 = 0 |
| |
| if clusterCount >= 7: |
| jsonStrUp6 = main.ONOS6cli.topologyEventsMetrics() |
| jsonStrUp7 = main.ONOS7cli.topologyEventsMetrics() |
| jsonObj6 = json.loads( jsonStrUp6 ) |
| jsonObj7 = json.loads( jsonStrUp7 ) |
| graphTimestamp6 = \ |
| jsonObj6[ graphTimestamp ][ 'value' ] |
| graphTimestamp7 = \ |
| jsonObj7[ graphTimestamp ][ 'value' ] |
| deviceTimestamp6 = \ |
| jsonObj6[ deviceTimestamp ][ 'value' ] |
| deviceTimestamp7 = \ |
| jsonObj7[ deviceTimestamp ][ 'value' ] |
| ptUpGraphToOfp6 = int( graphTimestamp6 ) -\ |
| int( timestampBeginPtUp ) |
| ptUpGraphToOfp7 = int( graphTimestamp7 ) -\ |
| int( timestampBeginPtUp ) |
| ptUpDeviceToOfp6 = int( deviceTimestamp6 ) -\ |
| int( timestampBeginPtUp ) |
| ptUpDeviceToOfp7 = int( deviceTimestamp7 ) -\ |
| int( timestampBeginPtUp ) |
| else: |
| ptUpGraphToOfp6 = 0 |
| ptUpGraphToOfp7 = 0 |
| ptUpDeviceToOfp6 = 0 |
| ptUpDeviceToOfp7 = 0 |
| |
| ptUpGraphToOfpAvg = \ |
| ( int( ptUpGraphToOfp1 ) + |
| int( ptUpGraphToOfp2 ) + |
| int( ptUpGraphToOfp3 ) + |
| int( ptUpGraphToOfp4 ) + |
| int( ptUpGraphToOfp5 ) + |
| int( ptUpGraphToOfp6 ) + |
| int( ptUpGraphToOfp7 ) ) / clusterCount |
| |
| ptUpDeviceToOfpAvg = \ |
| ( int( ptUpDeviceToOfp1 ) + |
| int( ptUpDeviceToOfp2 ) + |
| int( ptUpDeviceToOfp3 ) + |
| int( ptUpDeviceToOfp4 ) + |
| int( ptUpDeviceToOfp5 ) + |
| int( ptUpDeviceToOfp6 ) + |
| int( ptUpDeviceToOfp7 ) ) / clusterCount |
| |
| if ptUpGraphToOfpAvg > upThresholdMin and \ |
| ptUpGraphToOfpAvg < upThresholdMax: |
| portUpGraphToOfpList.append( |
| ptUpGraphToOfpAvg ) |
| main.log.info( "Port down: graph to ofp avg: " + |
| str( ptUpGraphToOfpAvg ) + " ms" ) |
| else: |
| main.log.info( "Average port up graph-to-ofp result" + |
| " exceeded the threshold: " + |
| str( ptUpGraphToOfpAvg ) ) |
| |
| if ptUpDeviceToOfpAvg > upThresholdMin and \ |
| ptUpDeviceToOfpAvg < upThresholdMax: |
| portUpDeviceToOfpList.append( |
| ptUpDeviceToOfpAvg ) |
| main.log.info( "Port up: device to ofp avg: " + |
| str( ptUpDeviceToOfpAvg ) + " ms" ) |
| else: |
| main.log.info( "Average port up device-to-ofp result" + |
| " exceeded the threshold: " + |
| str( ptUpDeviceToOfpAvg ) ) |
| |
| # END ITERATION FOR LOOP |
| |
| # Check all list for latency existence and set assertion |
| if ( portDownGraphToOfpList and portDownDeviceToOfpList |
| and portUpGraphToOfpList and portUpDeviceToOfpList ): |
| assertion = main.TRUE |
| |
| main.log.report( "Cluster size: " + str( clusterCount ) + |
| " node(s)" ) |
| # Calculate and report latency measurements |
| portDownGraphToOfpMin = min( portDownGraphToOfpList ) |
| portDownGraphToOfpMax = max( portDownGraphToOfpList ) |
| portDownGraphToOfpAvg = \ |
| ( sum( portDownGraphToOfpList ) / |
| len( portDownGraphToOfpList ) ) |
| portDownGraphToOfpStdDev = \ |
| str( round( numpy.std( portDownGraphToOfpList ), 1 ) ) |
| |
| main.log.report( "Port down graph-to-ofp " + |
| "Avg: " + str( portDownGraphToOfpAvg ) + " ms " + |
| "Std Deviation: " + portDownGraphToOfpStdDev + " ms" ) |
| |
| portDownDeviceToOfpMin = min( portDownDeviceToOfpList ) |
| portDownDeviceToOfpMax = max( portDownDeviceToOfpList ) |
| portDownDeviceToOfpAvg = \ |
| ( sum( portDownDeviceToOfpList ) / |
| len( portDownDeviceToOfpList ) ) |
| portDownDeviceToOfpStdDev = \ |
| str( round( numpy.std( portDownDeviceToOfpList ), 1 ) ) |
| |
| main.log.report( |
| "Port down device-to-ofp " + |
| "Avg: " + |
| str( portDownDeviceToOfpAvg ) + |
| " ms " + |
| "Std Deviation: " + |
| portDownDeviceToOfpStdDev + |
| " ms" ) |
| |
| portUpGraphToOfpMin = min( portUpGraphToOfpList ) |
| portUpGraphToOfpMax = max( portUpGraphToOfpList ) |
| portUpGraphToOfpAvg = \ |
| ( sum( portUpGraphToOfpList ) / |
| len( portUpGraphToOfpList ) ) |
| portUpGraphToOfpStdDev = \ |
| str( round( numpy.std( portUpGraphToOfpList ), 1 ) ) |
| |
| main.log.report( "Port up graph-to-ofp " + |
| "Avg: " + str( portUpGraphToOfpAvg ) + " ms " + |
| "Std Deviation: " + portUpGraphToOfpStdDev + " ms" ) |
| |
| portUpDeviceToOfpMin = min( portUpDeviceToOfpList ) |
| portUpDeviceToOfpMax = max( portUpDeviceToOfpList ) |
| portUpDeviceToOfpAvg = \ |
| ( sum( portUpDeviceToOfpList ) / |
| len( portUpDeviceToOfpList ) ) |
| portUpDeviceToOfpStdDev = \ |
| str( round( numpy.std( portUpDeviceToOfpList ), 1 ) ) |
| |
| main.log.report( "Port up device-to-ofp " + |
| "Avg: " + str( portUpDeviceToOfpAvg ) + " ms " + |
| "Std Deviation: " + portUpDeviceToOfpStdDev + " ms" ) |
| |
| # Remove switches from controller for next test |
| main.Mininet1.deleteSwController( "s1" ) |
| main.Mininet1.deleteSwController( "s2" ) |
| |
| 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 |
| switches are 1 / 2 respectively |
| """ |
| import time |
| import subprocess |
| import os |
| import requests |
| import json |
| import numpy |
| |
| ONOS1Ip = main.params[ 'CTRL' ][ 'ip1' ] |
| ONOS2Ip = main.params[ 'CTRL' ][ 'ip2' ] |
| ONOS3Ip = main.params[ 'CTRL' ][ 'ip3' ] |
| ONOSUser = main.params[ 'CTRL' ][ 'user' ] |
| |
| defaultSwPort = main.params[ 'CTRL' ][ 'port1' ] |
| |
| # Number of iterations of case |
| numIter = 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' ] |
| |
| debugMode = main.params[ 'TEST' ][ 'debugMode' ] |
| |
| localTime = time.strftime( '%x %X' ) |
| localTime = localTime.replace( "/", "" ) |
| localTime = localTime.replace( " ", "_" ) |
| localTime = localTime.replace( ":", "" ) |
| if debugMode == 'on': |
| main.ONOS1.tsharkPcap( "eth0", |
| "/tmp/link_lat_pcap_" + localTime ) |
| |
| # Threshold for this test case |
| upThresholdStr = main.params[ 'TEST' ][ 'linkUpThreshold' ] |
| downThresholdStr = main.params[ 'TEST' ][ 'linkDownThreshold' ] |
| |
| upThresholdObj = upThresholdStr.split( "," ) |
| downThresholdObj = downThresholdStr.split( "," ) |
| |
| upThresholdMin = int( upThresholdObj[ 0 ] ) |
| upThresholdMax = int( upThresholdObj[ 1 ] ) |
| |
| downThresholdMin = int( downThresholdObj[ 0 ] ) |
| downThresholdMax = int( downThresholdObj[ 1 ] ) |
| |
| assertion = main.TRUE |
| # Link event timestamp to system time list |
| linkDownLinkToSystemList = [] |
| linkUpLinkToSystemList = [] |
| # Graph event timestamp to system time list |
| linkDownGraphToSystemList = [] |
| linkUpGraphToSystemList = [] |
| |
| 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( numIter ) ) |
| |
| main.step( "Assign all switches" ) |
| main.Mininet1.assignSwController( sw="1", |
| ip1=ONOS1Ip, port1=defaultSwPort ) |
| main.Mininet1.assignSwController( sw="2", |
| ip1=ONOS1Ip, port1=defaultSwPort ) |
| |
| main.step( "Verifying switch assignment" ) |
| resultS1 = main.Mininet1.getSwController( sw="s1" ) |
| resultS2 = main.Mininet1.getSwController( sw="s2" ) |
| |
| # Allow time for events to finish before taking measurements |
| time.sleep( 10 ) |
| |
| linkDown1 = False |
| linkDown2 = False |
| linkDown3 = False |
| # Start iteration of link event test |
| for i in range( 0, int( numIter ) ): |
| main.step( "Getting initial system time as t0" ) |
| |
| # System time in epoch ms |
| timestampLinkDownT0 = 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" ) |
| loopCount = 0 |
| while( not ( linkDown1 and linkDown2 and linkDown3 ) |
| and loopCount < 30 ): |
| jsonStr1 = main.ONOS1cli.links() |
| jsonStr2 = main.ONOS2cli.links() |
| jsonStr3 = main.ONOS3cli.links() |
| |
| if not ( jsonStr1 and jsonStr2 and jsonStr3 ): |
| main.log.error( "CLI command returned error " ) |
| break |
| else: |
| jsonObj1 = json.loads( jsonStr1 ) |
| jsonObj2 = json.loads( jsonStr2 ) |
| jsonObj3 = json.loads( jsonStr3 ) |
| for obj1 in jsonObj1: |
| if '01' not in obj1[ 'src' ][ 'device' ]: |
| linkDown1 = True |
| main.log.info( "Link down from " + |
| "s1 -> s2 on ONOS1 detected" ) |
| for obj2 in jsonObj2: |
| if '01' not in obj2[ 'src' ][ 'device' ]: |
| linkDown2 = True |
| main.log.info( "Link down from " + |
| "s1 -> s2 on ONOS2 detected" ) |
| for obj3 in jsonObj3: |
| if '01' not in obj3[ 'src' ][ 'device' ]: |
| linkDown3 = True |
| main.log.info( "Link down from " + |
| "s1 -> s2 on ONOS3 detected" ) |
| |
| loopCount += 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 ( linkDown1 and linkDown2 and linkDown3 ): |
| main.log.info( "Link down discovery failed" ) |
| |
| linkDownLatGraph1 = 0 |
| linkDownLatGraph2 = 0 |
| linkDownLatGraph3 = 0 |
| linkDownLatDevice1 = 0 |
| linkDownLatDevice2 = 0 |
| linkDownLatDevice3 = 0 |
| |
| assertion = main.FALSE |
| else: |
| jsonTopoMetrics1 =\ |
| main.ONOS1cli.topologyEventsMetrics() |
| jsonTopoMetrics2 =\ |
| main.ONOS2cli.topologyEventsMetrics() |
| jsonTopoMetrics3 =\ |
| main.ONOS3cli.topologyEventsMetrics() |
| jsonTopoMetrics1 = json.loads( jsonTopoMetrics1 ) |
| jsonTopoMetrics2 = json.loads( jsonTopoMetrics2 ) |
| jsonTopoMetrics3 = json.loads( jsonTopoMetrics3 ) |
| |
| main.log.info( "Obtaining graph and device timestamp" ) |
| graphTimestamp1 = \ |
| jsonTopoMetrics1[ graphTimestamp ][ 'value' ] |
| graphTimestamp2 = \ |
| jsonTopoMetrics2[ graphTimestamp ][ 'value' ] |
| graphTimestamp3 = \ |
| jsonTopoMetrics3[ graphTimestamp ][ 'value' ] |
| |
| linkTimestamp1 = \ |
| jsonTopoMetrics1[ linkTimestamp ][ 'value' ] |
| linkTimestamp2 = \ |
| jsonTopoMetrics2[ linkTimestamp ][ 'value' ] |
| linkTimestamp3 = \ |
| jsonTopoMetrics3[ linkTimestamp ][ 'value' ] |
| |
| if graphTimestamp1 and graphTimestamp2 and\ |
| graphTimestamp3 and linkTimestamp1 and\ |
| linkTimestamp2 and linkTimestamp3: |
| linkDownLatGraph1 = int( graphTimestamp1 ) -\ |
| int( timestampLinkDownT0 ) |
| linkDownLatGraph2 = int( graphTimestamp2 ) -\ |
| int( timestampLinkDownT0 ) |
| linkDownLatGraph3 = int( graphTimestamp3 ) -\ |
| int( timestampLinkDownT0 ) |
| |
| linkDownLatLink1 = int( linkTimestamp1 ) -\ |
| int( timestampLinkDownT0 ) |
| linkDownLatLink2 = int( linkTimestamp2 ) -\ |
| int( timestampLinkDownT0 ) |
| linkDownLatLink3 = int( linkTimestamp3 ) -\ |
| int( timestampLinkDownT0 ) |
| else: |
| main.log.error( "There was an error calculating" + |
| " the delta for link down event" ) |
| linkDownLatGraph1 = 0 |
| linkDownLatGraph2 = 0 |
| linkDownLatGraph3 = 0 |
| |
| linkDownLatDevice1 = 0 |
| linkDownLatDevice2 = 0 |
| linkDownLatDevice3 = 0 |
| |
| main.log.info( "Link down latency ONOS1 iteration " + |
| str( i ) + " (end-to-end): " + |
| str( linkDownLatGraph1 ) + " ms" ) |
| main.log.info( "Link down latency ONOS2 iteration " + |
| str( i ) + " (end-to-end): " + |
| str( linkDownLatGraph2 ) + " ms" ) |
| main.log.info( "Link down latency ONOS3 iteration " + |
| str( i ) + " (end-to-end): " + |
| str( linkDownLatGraph3 ) + " ms" ) |
| |
| main.log.info( "Link down latency ONOS1 iteration " + |
| str( i ) + " (link-event-to-system-timestamp): " + |
| str( linkDownLatLink1 ) + " ms" ) |
| main.log.info( "Link down latency ONOS2 iteration " + |
| str( i ) + " (link-event-to-system-timestamp): " + |
| str( linkDownLatLink2 ) + " ms" ) |
| main.log.info( "Link down latency ONOS3 iteration " + |
| str( i ) + " (link-event-to-system-timestamp): " + |
| str( linkDownLatLink3 ) ) |
| |
| # Calculate avg of node calculations |
| linkDownLatGraphAvg =\ |
| ( linkDownLatGraph1 + |
| linkDownLatGraph2 + |
| linkDownLatGraph3 ) / 3 |
| linkDownLatLinkAvg =\ |
| ( linkDownLatLink1 + |
| linkDownLatLink2 + |
| linkDownLatLink3 ) / 3 |
| |
| # Set threshold and append latency to list |
| if linkDownLatGraphAvg > downThresholdMin and\ |
| linkDownLatGraphAvg < downThresholdMax: |
| linkDownGraphToSystemList.append( |
| linkDownLatGraphAvg ) |
| else: |
| main.log.info( "Link down latency exceeded threshold" ) |
| main.log.info( "Results for iteration " + str( i ) + |
| "have been omitted" ) |
| if linkDownLatLinkAvg > downThresholdMin and\ |
| linkDownLatLinkAvg < downThresholdMax: |
| linkDownLinkToSystemList.append( |
| linkDownLatLinkAvg ) |
| else: |
| 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: |
| # 'sh tc qdisc del dev s1-eth1 root' |
| timestampLinkUpT0 = 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" ) |
| |
| linkDown1 = True |
| linkDown2 = True |
| linkDown3 = True |
| loopCount = 0 |
| while( ( linkDown1 and linkDown2 and linkDown3 ) |
| and loopCount < 30 ): |
| jsonStr1 = main.ONOS1cli.links() |
| jsonStr2 = main.ONOS2cli.links() |
| jsonStr3 = main.ONOS3cli.links() |
| if not ( jsonStr1 and jsonStr2 and jsonStr3 ): |
| main.log.error( "CLI command returned error " ) |
| break |
| else: |
| jsonObj1 = json.loads( jsonStr1 ) |
| jsonObj2 = json.loads( jsonStr2 ) |
| jsonObj3 = json.loads( jsonStr3 ) |
| |
| for obj1 in jsonObj1: |
| if '01' in obj1[ 'src' ][ 'device' ]: |
| linkDown1 = False |
| main.log.info( "Link up from " + |
| "s1 -> s2 on ONOS1 detected" ) |
| for obj2 in jsonObj2: |
| if '01' in obj2[ 'src' ][ 'device' ]: |
| linkDown2 = False |
| main.log.info( "Link up from " + |
| "s1 -> s2 on ONOS2 detected" ) |
| for obj3 in jsonObj3: |
| if '01' in obj3[ 'src' ][ 'device' ]: |
| linkDown3 = False |
| main.log.info( "Link up from " + |
| "s1 -> s2 on ONOS3 detected" ) |
| |
| loopCount += 1 |
| time.sleep( 1 ) |
| |
| if ( linkDown1 and linkDown2 and linkDown3 ): |
| main.log.info( "Link up discovery failed" ) |
| |
| linkUpLatGraph1 = 0 |
| linkUpLatGraph2 = 0 |
| linkUpLatGraph3 = 0 |
| linkUpLatDevice1 = 0 |
| linkUpLatDevice2 = 0 |
| linkUpLatDevice3 = 0 |
| |
| assertion = main.FALSE |
| else: |
| jsonTopoMetrics1 =\ |
| main.ONOS1cli.topologyEventsMetrics() |
| jsonTopoMetrics2 =\ |
| main.ONOS2cli.topologyEventsMetrics() |
| jsonTopoMetrics3 =\ |
| main.ONOS3cli.topologyEventsMetrics() |
| jsonTopoMetrics1 = json.loads( jsonTopoMetrics1 ) |
| jsonTopoMetrics2 = json.loads( jsonTopoMetrics2 ) |
| jsonTopoMetrics3 = json.loads( jsonTopoMetrics3 ) |
| |
| main.log.info( "Obtaining graph and device timestamp" ) |
| graphTimestamp1 = \ |
| jsonTopoMetrics1[ graphTimestamp ][ 'value' ] |
| graphTimestamp2 = \ |
| jsonTopoMetrics2[ graphTimestamp ][ 'value' ] |
| graphTimestamp3 = \ |
| jsonTopoMetrics3[ graphTimestamp ][ 'value' ] |
| |
| linkTimestamp1 = \ |
| jsonTopoMetrics1[ linkTimestamp ][ 'value' ] |
| linkTimestamp2 = \ |
| jsonTopoMetrics2[ linkTimestamp ][ 'value' ] |
| linkTimestamp3 = \ |
| jsonTopoMetrics3[ linkTimestamp ][ 'value' ] |
| |
| if graphTimestamp1 and graphTimestamp2 and\ |
| graphTimestamp3 and linkTimestamp1 and\ |
| linkTimestamp2 and linkTimestamp3: |
| linkUpLatGraph1 = int( graphTimestamp1 ) -\ |
| int( timestampLinkUpT0 ) |
| linkUpLatGraph2 = int( graphTimestamp2 ) -\ |
| int( timestampLinkUpT0 ) |
| linkUpLatGraph3 = int( graphTimestamp3 ) -\ |
| int( timestampLinkUpT0 ) |
| |
| linkUpLatLink1 = int( linkTimestamp1 ) -\ |
| int( timestampLinkUpT0 ) |
| linkUpLatLink2 = int( linkTimestamp2 ) -\ |
| int( timestampLinkUpT0 ) |
| linkUpLatLink3 = int( linkTimestamp3 ) -\ |
| int( timestampLinkUpT0 ) |
| else: |
| main.log.error( "There was an error calculating" + |
| " the delta for link down event" ) |
| linkUpLatGraph1 = 0 |
| linkUpLatGraph2 = 0 |
| linkUpLatGraph3 = 0 |
| |
| linkUpLatDevice1 = 0 |
| linkUpLatDevice2 = 0 |
| linkUpLatDevice3 = 0 |
| |
| if debugMode == 'on': |
| main.log.info( "Link up latency ONOS1 iteration " + |
| str( i ) + " (end-to-end): " + |
| str( linkUpLatGraph1 ) + " ms" ) |
| main.log.info( "Link up latency ONOS2 iteration " + |
| str( i ) + " (end-to-end): " + |
| str( linkUpLatGraph2 ) + " ms" ) |
| main.log.info( "Link up latency ONOS3 iteration " + |
| str( i ) + " (end-to-end): " + |
| str( linkUpLatGraph3 ) + " ms" ) |
| |
| main.log.info( |
| "Link up latency ONOS1 iteration " + |
| str( i ) + |
| " (link-event-to-system-timestamp): " + |
| str( linkUpLatLink1 ) + |
| " ms" ) |
| main.log.info( |
| "Link up latency ONOS2 iteration " + |
| str( i ) + |
| " (link-event-to-system-timestamp): " + |
| str( linkUpLatLink2 ) + |
| " ms" ) |
| main.log.info( |
| "Link up latency ONOS3 iteration " + |
| str( i ) + |
| " (link-event-to-system-timestamp): " + |
| str( linkUpLatLink3 ) ) |
| |
| # Calculate avg of node calculations |
| linkUpLatGraphAvg =\ |
| ( linkUpLatGraph1 + |
| linkUpLatGraph2 + |
| linkUpLatGraph3 ) / 3 |
| linkUpLatLinkAvg =\ |
| ( linkUpLatLink1 + |
| linkUpLatLink2 + |
| linkUpLatLink3 ) / 3 |
| |
| # Set threshold and append latency to list |
| if linkUpLatGraphAvg > upThresholdMin and\ |
| linkUpLatGraphAvg < upThresholdMax: |
| linkUpGraphToSystemList.append( |
| linkUpLatGraphAvg ) |
| else: |
| main.log.info( "Link up latency exceeded threshold" ) |
| main.log.info( "Results for iteration " + str( i ) + |
| "have been omitted" ) |
| if linkUpLatLinkAvg > upThresholdMin and\ |
| linkUpLatLinkAvg < upThresholdMax: |
| linkUpLinkToSystemList.append( |
| linkUpLatLinkAvg ) |
| else: |
| 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 |
| linkDownMin = min( linkDownGraphToSystemList ) |
| linkDownMax = max( linkDownGraphToSystemList ) |
| linkDownAvg = sum( linkDownGraphToSystemList ) / \ |
| len( linkDownGraphToSystemList ) |
| linkUpMin = min( linkUpGraphToSystemList ) |
| linkUpMax = max( linkUpGraphToSystemList ) |
| linkUpAvg = sum( linkUpGraphToSystemList ) / \ |
| len( linkUpGraphToSystemList ) |
| linkDownStdDev = \ |
| str( round( numpy.std( linkDownGraphToSystemList ), 1 ) ) |
| linkUpStdDev = \ |
| str( round( numpy.std( linkUpGraphToSystemList ), 1 ) ) |
| |
| main.log.report( "Link down latency " + |
| "Avg: " + str( linkDownAvg ) + " ms " + |
| "Std Deviation: " + linkDownStdDev + " ms" ) |
| main.log.report( "Link up latency " + |
| "Avg: " + str( linkUpAvg ) + " ms " + |
| "Std Deviation: " + linkUpStdDev + " ms" ) |
| |
| utilities.assert_equals( |
| expect=main.TRUE, |
| actual=assertion, |
| onpass="Link discovery latency calculation successful", |
| onfail="Link discovery latency case failed" ) |
| |
| def CASE5( self, main ): |
| """ |
| 100 Switch discovery latency |
| |
| Important: |
| 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 |
| params file to adjust the switch discovery size |
| ( and specify the corresponding topology in Mininet1 |
| .topo file ) |
| """ |
| import time |
| import subprocess |
| import os |
| import requests |
| import json |
| |
| ONOS1Ip = main.params[ 'CTRL' ][ 'ip1' ] |
| ONOS2Ip = main.params[ 'CTRL' ][ 'ip2' ] |
| ONOS3Ip = main.params[ 'CTRL' ][ 'ip3' ] |
| MN1Ip = main.params[ 'MN' ][ 'ip1' ] |
| ONOSUser = main.params[ 'CTRL' ][ 'user' ] |
| |
| defaultSwPort = main.params[ 'CTRL' ][ 'port1' ] |
| |
| # Number of iterations of case |
| numIter = main.params[ 'TEST' ][ 'numIter' ] |
| numSw = main.params[ 'TEST' ][ 'numSwitch' ] |
| |
| # 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' ] |
| |
| debugMode = main.params[ 'TEST' ][ 'debugMode' ] |
| |
| localTime = time.strftime( '%X' ) |
| localTime = localTime.replace( "/", "" ) |
| localTime = localTime.replace( " ", "_" ) |
| localTime = localTime.replace( ":", "" ) |
| if debugMode == 'on': |
| main.ONOS1.tsharkPcap( "eth0", |
| "/tmp/100_sw_lat_pcap_" + localTime ) |
| |
| # Threshold for this test case |
| swDiscThresholdStr = main.params[ 'TEST' ][ 'swDisc100Threshold' ] |
| swDiscThresholdObj = swDiscThresholdStr.split( "," ) |
| swDiscThresholdMin = int( swDiscThresholdObj[ 0 ] ) |
| swDiscThresholdMax = int( swDiscThresholdObj[ 1 ] ) |
| |
| tsharkOfpOutput = "/tmp/tshark_ofp_" + numSw + "sw.txt" |
| tsharkTcpOutput = "/tmp/tshark_tcp_" + numSw + "sw.txt" |
| |
| tsharkOfpResultList = [] |
| tsharkTcpResultList = [] |
| |
| swDiscoveryLatList = [] |
| |
| main.case( numSw + " Switch discovery latency" ) |
| main.step( "Assigning all switches to ONOS1" ) |
| for i in range( 1, int( numSw ) + 1 ): |
| main.Mininet1.assignSwController( |
| sw=str( i ), |
| ip1=ONOS1Ip, |
| port1=defaultSwPort ) |
| |
| # 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( numIter ) ): |
| |
| 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: MN1Ip |
| # * destination PORT: 6633 |
| main.ONOS1.handle.sendline( |
| "sudo iptables -A INPUT -p tcp -s " + MN1Ip + |
| " --dport " + defaultSwPort + " -j DROP" ) |
| main.ONOS1.handle.expect( "\$" ) |
| # Append to OUTPUT rule, |
| # behavior DROP that matches following: |
| # * packet type: tcp |
| # * source IP: MN1Ip |
| # * destination PORT: 6633 |
| main.ONOS1.handle.sendline( |
| "sudo iptables -A OUTPUT -p tcp -s " + MN1Ip + |
| " --dport " + defaultSwPort + " -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.tsharkGrep( "OFP 86 Vendor", |
| tsharkOfpOutput ) |
| main.ONOS1.tsharkGrep( "TCP 74 ", |
| tsharkTcpOutput ) |
| |
| # NOTE: Remove all iptables rule quickly ( flush ) |
| # Before removal, obtain TestON timestamp at which |
| # removal took place |
| # ( ensuring nodes are configured via ptp ) |
| # sudo iptables -F |
| |
| t0System = time.time() * 1000 |
| main.ONOS1.handle.sendline( |
| "sudo iptables -F" ) |
| |
| # Counter to track loop count |
| counterLoop = 0 |
| counterAvail1 = 0 |
| counterAvail2 = 0 |
| counterAvail3 = 0 |
| onos1Dev = False |
| onos2Dev = False |
| onos3Dev = False |
| while counterLoop < 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. |
| deviceStrObj1 = main.ONOS1cli.devices() |
| deviceStrObj2 = main.ONOS2cli.devices() |
| deviceStrObj3 = main.ONOS3cli.devices() |
| |
| deviceJson1 = json.loads( deviceStrObj1 ) |
| deviceJson2 = json.loads( deviceStrObj2 ) |
| deviceJson3 = json.loads( deviceStrObj3 ) |
| |
| for device1 in deviceJson1: |
| if device1[ 'available' ]: |
| counterAvail1 += 1 |
| if counterAvail1 == int( numSw ): |
| onos1Dev = True |
| main.log.info( "All devices have been " + |
| "discovered on ONOS1" ) |
| else: |
| counterAvail1 = 0 |
| for device2 in deviceJson2: |
| if device2[ 'available' ]: |
| counterAvail2 += 1 |
| if counterAvail2 == int( numSw ): |
| onos2Dev = True |
| main.log.info( "All devices have been " + |
| "discovered on ONOS2" ) |
| else: |
| counterAvail2 = 0 |
| for device3 in deviceJson3: |
| if device3[ 'available' ]: |
| counterAvail3 += 1 |
| if counterAvail3 == int( numSw ): |
| onos3Dev = True |
| main.log.info( "All devices have been " + |
| "discovered on ONOS3" ) |
| else: |
| counterAvail3 = 0 |
| |
| if onos1Dev and onos2Dev and onos3Dev: |
| main.log.info( "All devices have been discovered " + |
| "on all ONOS instances" ) |
| jsonStrTopologyMetrics1 =\ |
| main.ONOS1cli.topologyEventsMetrics() |
| jsonStrTopologyMetrics2 =\ |
| main.ONOS2cli.topologyEventsMetrics() |
| jsonStrTopologyMetrics3 =\ |
| main.ONOS3cli.topologyEventsMetrics() |
| |
| # Exit while loop if all devices discovered |
| break |
| |
| counterLoop += 1 |
| # Give some time in between CLI calls |
| #( will not affect measurement ) |
| time.sleep( 3 ) |
| |
| main.ONOS1.tsharkStop() |
| |
| os.system( "scp " + ONOSUser + "@" + ONOS1Ip + ":" + |
| tsharkOfpOutput + " /tmp/" ) |
| os.system( "scp " + ONOSUser + "@" + ONOS1Ip + ":" + |
| tsharkTcpOutput + " /tmp/" ) |
| |
| # TODO: Automate OFP output analysis |
| # Debug mode - print out packets captured at runtime |
| if debugMode == 'on': |
| ofpFile = open( tsharkOfpOutput, 'r' ) |
| main.log.info( "Tshark OFP Vendor output: " ) |
| for line in ofpFile: |
| tsharkOfpResultList.append( line ) |
| main.log.info( line ) |
| ofpFile.close() |
| |
| tcpFile = open( tsharkTcpOutput, 'r' ) |
| main.log.info( "Tshark TCP 74 output: " ) |
| for line in tcpFile: |
| tsharkTcpResultList.append( line ) |
| main.log.info( line ) |
| tcpFile.close() |
| |
| jsonObj1 = json.loads( jsonStrTopologyMetrics1 ) |
| jsonObj2 = json.loads( jsonStrTopologyMetrics2 ) |
| jsonObj3 = json.loads( jsonStrTopologyMetrics3 ) |
| |
| graphTimestamp1 = \ |
| jsonObj1[ graphTimestamp ][ 'value' ] |
| graphTimestamp2 = \ |
| jsonObj2[ graphTimestamp ][ 'value' ] |
| graphTimestamp3 = \ |
| jsonObj3[ graphTimestamp ][ 'value' ] |
| |
| graphLat1 = int( graphTimestamp1 ) - int( t0System ) |
| graphLat2 = int( graphTimestamp2 ) - int( t0System ) |
| graphLat3 = int( graphTimestamp3 ) - int( t0System ) |
| |
| avgGraphLat = \ |
| ( int( graphLat1 ) + |
| int( graphLat2 ) + |
| int( graphLat3 ) ) / 3 |
| |
| if avgGraphLat > swDiscThresholdMin \ |
| and avgGraphLat < swDiscThresholdMax: |
| swDiscoveryLatList.append( |
| avgGraphLat ) |
| else: |
| main.log.info( "100 Switch discovery latency " + |
| "exceeded the threshold." ) |
| |
| # END ITERATION FOR LOOP |
| |
| swLatMin = min( swDiscoveryLatList ) |
| swLatMax = max( swDiscoveryLatList ) |
| swLatAvg = sum( swDiscoveryLatList ) /\ |
| len( swDiscoveryLatList ) |
| |
| main.log.report( "100 Switch discovery lat " + |
| "Min: " + str( swLatMin ) + " ms" + |
| "Max: " + str( swLatMax ) + " ms" + |
| "Avg: " + str( swLatAvg ) + " ms" ) |
| |
| def CASE6( self, main ): |
| """ |
| Increase number of nodes and initiate CLI |
| """ |
| import time |
| |
| ONOS1Ip = main.params[ 'CTRL' ][ 'ip1' ] |
| ONOS2Ip = main.params[ 'CTRL' ][ 'ip2' ] |
| ONOS3Ip = main.params[ 'CTRL' ][ 'ip3' ] |
| ONOS4Ip = main.params[ 'CTRL' ][ 'ip4' ] |
| ONOS5Ip = main.params[ 'CTRL' ][ 'ip5' ] |
| ONOS6Ip = main.params[ 'CTRL' ][ 'ip6' ] |
| ONOS7Ip = main.params[ 'CTRL' ][ 'ip7' ] |
| |
| cellName = main.params[ 'ENV' ][ 'cellName' ] |
| |
| global clusterCount |
| |
| # Cluster size increased everytime the case is defined |
| clusterCount += 2 |
| |
| main.log.report( "Increasing cluster size to " + |
| str( clusterCount ) ) |
| |
| installResult = main.FALSE |
| if clusterCount == 3: |
| main.log.info( "Installing nodes 2 and 3" ) |
| node2Result = \ |
| main.ONOSbench.onosInstall( node=ONOS2Ip ) |
| node3Result = \ |
| main.ONOSbench.onosInstall( node=ONOS3Ip ) |
| installResult = node2Result and node3Result |
| |
| time.sleep( 5 ) |
| |
| main.ONOS2cli.startOnosCli( ONOS2Ip ) |
| main.ONOS3cli.startOnosCli( ONOS3Ip ) |
| |
| elif clusterCount == 5: |
| main.log.info( "Installing nodes 4 and 5" ) |
| node4Result = \ |
| main.ONOSbench.onosInstall( node=ONOS4Ip ) |
| node5Result = \ |
| main.ONOSbench.onosInstall( node=ONOS5Ip ) |
| installResult = node4Result and node5Result |
| |
| time.sleep( 5 ) |
| |
| main.ONOS4cli.startOnosCli( ONOS4Ip ) |
| main.ONOS5cli.startOnosCli( ONOS5Ip ) |
| |
| elif clusterCount == 7: |
| main.log.info( "Installing nodes 6 and 7" ) |
| node6Result = \ |
| main.ONOSbench.onosInstall( node=ONOS6Ip ) |
| node7Result = \ |
| main.ONOSbench.onosInstall( node=ONOS7Ip ) |
| installResult = node6Result and node7Result |
| |
| time.sleep( 5 ) |
| |
| main.ONOS6cli.startOnosCli( ONOS6Ip ) |
| main.ONOS7cli.startOnosCli( ONOS7Ip ) |