| """ |
| Wrapper function for FuncTopo |
| Includes onosclidriver and mininetclidriver functions |
| """ |
| import time |
| import json |
| import re |
| |
| def __init__( self ): |
| self.default = '' |
| |
| def testTopology( main, topoFile='', args='', mnCmd='', clean=True ): |
| """ |
| Description: |
| This function combines different wrapper functions in this module |
| to simulate a topology test |
| Test Steps: |
| - Load topology |
| - Discover topology |
| - Compare topology |
| - pingall |
| - Bring links down |
| - Compare topology |
| - pingall |
| - Bring links up |
| - Compare topology |
| - pingall |
| Options: |
| clean: Does sudo mn -c to clean mininet residue |
| Please read mininetclidriver.py >> startNet( .. ) function for details |
| Returns: |
| Returns main.TRUE if the test is successful, main.FALSE otherwise |
| """ |
| testTopoResult = main.TRUE |
| compareTopoResult = main.TRUE |
| topoObjectResult = main.TRUE |
| stopResult = main.TRUE |
| |
| if clean: |
| # Cleans minient |
| stopResult = stopMininet( main ) |
| |
| # Restart ONOS to clear hosts test new mininet topology |
| reinstallOnosResult = reinstallOnos( main ) |
| |
| # Starts topology |
| startResult = startNewTopology( main, topoFile, args, mnCmd ) |
| |
| # Gets list of switches in mininet |
| assignSwitch( main ) |
| |
| # This function activates fwd app then does pingall as well as store |
| # hosts data in a variable main.hostsData |
| getHostsResult = getHostsData( main ) |
| |
| # Compare Topology |
| compareTopoResult = compareTopo( main ) |
| |
| testTopoResult = startResult and topoObjectResult and \ |
| compareTopoResult and getHostsResult |
| |
| |
| return testTopoResult |
| |
| def startNewTopology( main, topoFile='', args='', mnCmd='' ): |
| """ |
| Description: |
| This wrapper function starts new topology |
| Options: |
| Please read mininetclidriver.py >> startNet( .. ) function for details |
| Return: |
| Returns main.TRUE if topology is successfully created by mininet, |
| main.FALSE otherwise |
| NOTE: |
| Assumes Mininet1 is the name of the handler |
| """ |
| assert main, "There is no main variable" |
| assert main.Mininet1, "Mininet 1 is not created" |
| result = main.TRUE |
| |
| main.log.info( main.topoName + ": Starting new Mininet topology" ) |
| |
| # log which method is being used |
| if topoFile: |
| main.log.info( main.topoName + ": Starting topology with " + |
| topoFile + "topology file" ) |
| elif not topoFile and not mnCmd: |
| main.log.info( main.topoName + ": Starting topology using" + |
| " the topo file" ) |
| elif topoFile and mnCmd: |
| main.log.error( main.topoName + ": You can only use one " + |
| "method to start a topology" ) |
| elif mnCmd: |
| main.log.info( main.topoName + ": Starting topology with '" + |
| mnCmd + "' Mininet command" ) |
| |
| |
| result = main.Mininet1.startNet( topoFile=topoFile, |
| args=args, |
| mnCmd=mnCmd ) |
| |
| return result |
| |
| def stopMininet( main ): |
| """ |
| Stops current topology and execute mn -c basically triggers |
| stopNet in mininetclidrivers |
| |
| NOTE: Mininet should be running when issuing this command other wise |
| the this function will cause the test to stop |
| """ |
| stopResult = main.TRUE |
| stopResult = main.Mininet1.stopNet() |
| time.sleep( 30 ) |
| if not stopResult: |
| main.log.info( main.topoName + ": Did not stop Mininet topology" ) |
| return stopResult |
| |
| def compareTopo( main ): |
| """ |
| Compare topology( devices, links, ports, hosts ) between ONOS and |
| mininet using sts |
| """ |
| devices = [] |
| links = [] |
| ports = [] |
| hosts = [] |
| switchResult = [] |
| linksResult = [] |
| portsResult = [] |
| hostsResult = [] |
| mnSwitches = main.Mininet1.getSwitches() |
| mnLinks = main.Mininet1.getLinks() |
| mnHosts = main.Mininet1.getHosts() |
| compareTopoResult = main.TRUE |
| |
| for i in range( main.numCtrls ): |
| devices.append( json.loads( main.CLIs[ i ].devices() ) ) |
| links.append( json.loads( main.CLIs[ i ].links() ) ) |
| ports.append( json.loads( main.CLIs[ i ].ports() ) ) |
| hosts.append( json.loads( main.CLIs[ i ].hosts() ) ) |
| |
| # Comparing switches |
| main.log.info( main.topoName + ": Comparing switches in each ONOS nodes" + |
| " with Mininet" ) |
| for i in range( main.numCtrls ): |
| tempResult = main.Mininet1.compareSwitches( mnSwitches, |
| devices[ i ], |
| ports[ i ] ) |
| switchResult.append( tempResult ) |
| if tempResult == main.FALSE: |
| main.log.error( main.topoName + ": ONOS-" + str( i + 1 ) + |
| " switch view is incorrect " ) |
| |
| if all( result == main.TRUE for result in switchResult ): |
| main.log.info( main.topoName + ": Switch view in all ONOS nodes "+ |
| "are correct " ) |
| else: |
| compareTopoResult = main.FALSE |
| |
| # Comparing links |
| main.log.info( main.topoName + ": Comparing links in each ONOS nodes" + |
| " with Mininet" ) |
| for i in range( main.numCtrls ): |
| tempResult = main.Mininet1.compareLinks( mnSwitches, |
| mnLinks, |
| links[ i ] ) |
| linksResult.append( tempResult ) |
| if tempResult == main.FALSE: |
| main.log.error( main.topoName + ": ONOS-" + str( i + 1 ) + |
| " links view are incorrect " ) |
| |
| if all( result == main.TRUE for result in linksResult ): |
| main.log.info( main.topoName + ": Links view in all ONOS nodes "+ |
| "are correct " ) |
| else: |
| compareTopoResult = main.FALSE |
| |
| # Comparing hosts |
| main.log.info( main.topoName + ": Comparing hosts in each ONOS nodes" + |
| " with Mininet" ) |
| for i in range( main.numCtrls ): |
| tempResult = main.Mininet1.compareHosts( mnHosts, hosts[ i ] ) |
| hostsResult.append( tempResult ) |
| if tempResult == main.FALSE: |
| main.log.error( main.topoName + ": ONOS-" + str( i + 1 ) + |
| " hosts view are incorrect " ) |
| |
| if all( result == main.TRUE for result in hostsResult ): |
| main.log.info( main.topoName + ": Hosts view in all ONOS nodes "+ |
| "are correct " ) |
| else: |
| compareTopoResult = main.FALSE |
| |
| return compareTopoResult |
| |
| def assignSwitch( main ): |
| """ |
| Returns switch list using getSwitch in Mininet driver |
| """ |
| switchList = [] |
| assignResult = main.TRUE |
| switchList = main.Mininet1.getSwitch() |
| assignResult = main.Mininet1.assignSwController( sw=switchList, |
| ip=main.ONOSip[ 0 ], |
| port=6633 ) |
| |
| for sw in switchList: |
| response = main.Mininet1.getSwController( sw ) |
| if re.search( "tcp:" + main.ONOSip[ 0 ], response ): |
| assignResult = assignResult and main.TRUE |
| else: |
| assignResult = main.FALSE |
| |
| return switchList |
| |
| def getHostsData( main ): |
| """ |
| Use fwd app and pingall to discover all the hosts |
| """ |
| activateResult = main.TRUE |
| appCheck = main.TRUE |
| getDataResult = main.TRUE |
| main.log.info( main.topoName + ": Activating reactive forwarding app " ) |
| activateResult = main.CLIs[ 0 ].activateApp( "org.onosproject.fwd" ) |
| |
| if main.hostsData: |
| main.hostsData = {} |
| for i in range( main.numCtrls ): |
| appCheck = appCheck and main.CLIs[ i ].appToIDCheck() |
| if appCheck != main.TRUE: |
| main.log.warn( main.CLIs[ i ].apps() ) |
| main.log.warn( main.CLIs[ i ].appIDs() ) |
| |
| time.sleep( main.fwdSleep ) |
| # Discover hosts using pingall |
| pingResult = main.Mininet1.pingall( timeout=900 ) |
| |
| hostsJson = json.loads( main.CLIs[ 0 ].hosts() ) |
| hosts = main.Mininet1.getHosts().keys() |
| |
| for host in hosts: |
| main.hostsData[ host ] = {} |
| main.hostsData[ host ][ 'mac' ] = \ |
| main.Mininet1.getMacAddress( host ).upper() |
| for hostj in hostsJson: |
| if main.hostsData[ host ][ 'mac' ] == hostj[ 'mac' ]: |
| main.hostsData[ host ][ 'id' ] = hostj[ 'id' ] |
| main.hostsData[ host ][ 'vlan' ] = hostj[ 'vlan' ] |
| main.hostsData[ host ][ 'location' ] = \ |
| hostj[ 'location' ][ 'elementId' ] + '/' + \ |
| hostj[ 'location' ][ 'port' ] |
| main.hostsData[ host ][ 'ipAddresses' ] = hostj[ 'ipAddresses' ] |
| |
| if activateResult and main.hostsData: |
| main.log.info( main.topoName + ": Successfully used fwd app" + |
| " to discover hosts " ) |
| getDataResult = main.TRUE |
| else: |
| main.log.info( main.topoName + ": Failed to use fwd app" + |
| " to discover hosts " ) |
| getDataResult = main.FALSE |
| |
| main.log.info( main.topoName + ": Deactivate reactive forwarding app " ) |
| activateResult = main.CLIs[ 0 ].deactivateApp( "org.onosproject.fwd" ) |
| for i in range( main.numCtrls ): |
| appCheck = appCheck and main.CLIs[ i ].appToIDCheck() |
| if appCheck != main.TRUE: |
| main.log.warn( main.CLIs[ i ].apps() ) |
| main.log.warn( main.CLIs[ i ].appIDs() ) |
| |
| # This data can be use later for intents |
| print main.hostsData |
| |
| return getDataResult |
| |
| def reinstallOnos( main ): |
| """ |
| Description: |
| Stop and start ONOS that clears hosts,devices etc. in order to test |
| new mininet topology |
| Return: |
| Retruns main.TRUE for a successful restart, main.FALSE otherwise. |
| """ |
| uninstallResult = [] |
| installResult = [] |
| stopResult = [] |
| startResult = [] |
| onosIsUpResult = [] |
| restartResult = main.TRUE |
| |
| main.log.info( main.topoName + ": Uninstall ONOS cluster" ) |
| for ip in main.ONOSip: |
| uninstallResult.append( main.ONOSbench.onosUninstall( nodeIp=ip ) ) |
| |
| if all( result == main.TRUE for result in uninstallResult ): |
| main.log.info( main.topoName + ": Successfully uninstall ONOS cluster" ) |
| else: |
| restartResult = main.FALSE |
| main.log.error( main.topoName + ": Failed to uninstall ONOS cluster" ) |
| |
| time.sleep( main.startUpSleep ) |
| |
| main.log.info( main.topoName + ": Installing ONOS cluster" ) |
| |
| for i in range( main.numCtrls ): |
| installResult.append( main.ONOSbench.onosInstall( |
| node=main.ONOSip[ i ] ) ) |
| |
| if all( result == main.TRUE for result in installResult ): |
| main.log.info( main.topoName + ": Successfully installed ONOS cluster" ) |
| else: |
| restartResult = main.FALSE |
| main.log.error( main.topoName + ": Failed to install ONOS cluster" ) |
| |
| for i in range( main.numCtrls ): |
| onosIsUpResult.append( main.ONOSbench.isup( main.ONOSip[ i ] ) ) |
| |
| if all( result == main.TRUE for result in onosIsUpResult ): |
| main.log.report( "ONOS instance is up and ready" ) |
| else: |
| main.log.report( "ONOS instance may not be up, stop and " + |
| "start ONOS again " ) |
| for i in range( main.numCtrls ): |
| stopResult.append( main.ONOSbench.onosStop( main.ONOSip[ i ] ) ) |
| |
| if all( result == main.TRUE for result in stopResult ): |
| main.log.info( main.topoName + ": Successfully stop ONOS cluster" ) |
| else: |
| main.log.error( main.topoName + ": Failed to stop ONOS cluster" ) |
| |
| for i in range( main.numCtrls ): |
| startResult.append( main.ONOSbench.onosStart( main.ONOSip[ i ] ) ) |
| |
| if all( result == main.TRUE for result in startResult ): |
| main.log.info( main.topoName + ": Successfully start ONOS cluster" ) |
| else: |
| main.log.error( main.topoName + ": Failed to start ONOS cluster" ) |
| |
| main.log.info( main.topoName + ": Starting ONOS CLI" ) |
| cliResult = [] |
| for i in range( main.numCtrls ): |
| cliResult.append( main.CLIs[ i ].startOnosCli( main.ONOSip[ i ] ) ) |
| |
| if all( result == main.TRUE for result in cliResult ): |
| main.log.info( main.topoName + ": Successfully start ONOS cli" ) |
| else: |
| main.log.error( main.topoName + ": Failed to start ONOS cli" ) |
| restartResult = main.FALSE |
| |
| |
| return restartResult |
| |
| |
| |