blob: b634f833c896704afd42efa986f549b2fc511071 [file] [log] [blame]
"""
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