blob: 4a0fa3e990e3376a33e6b9e327c2cf47de0bc31d [file] [log] [blame]
"""
Copyright 2017 Open Networking Foundation ( ONF )
Please refer questions to either the onos test mailing list at <onos-test@onosproject.org>,
the System Testing Plans and Results wiki page at <https://wiki.onosproject.org/x/voMg>,
or the System Testing Guide page at <https://wiki.onosproject.org/x/WYQg>
TestON is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
( at your option ) any later version.
TestON is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with TestON. If not, see <http://www.gnu.org/licenses/>.
"""
"""
Testing various connectivity failures for VPLS.
CASE1: Startup.
CASE2: Load VPLS topology and configurations from demo script.
CASE50: Initial connectivity test.
CASE100: Bring down 1 host at a time and test connectivity.
CASE200: Bring down 1 switch at a time and test connectivity.
CASE300: Stop 1 ONOS node at a time and test connectivity.
CASE310: Kill 1 ONOS node at a time and test connectivity.
CASE400: Bring down 1 link at a time and test connectivity.
"""
class VPLSfailsafe:
def __init__( self ):
self.default = ''
def CASE1( self, main ):
"""
CASE1 is to compile ONOS and push it to the test machines
Startup sequence:
cell <name>
onos-verify-cell
NOTE: temporary - onos-remove-raft-logs
onos-uninstall
start mininet
git pull
mvn clean install
onos-package
onos-install -f
onos-wait-for-start
start cli sessions
start tcpdump
"""
import imp
import time
import json
try:
from tests.dependencies.ONOSSetup import ONOSSetup
main.testSetUp = ONOSSetup()
except ImportError:
main.log.error( "ONOSSetup not found. exiting the test" )
main.cleanAndExit()
main.testSetUp.envSetupDescription()
stepResult = main.FALSE
try:
# load some variables from the params file
cellName = main.params[ 'ENV' ][ 'cellName' ]
main.timeSleep = int( main.params[ 'RETRY' ][ 'sleep' ] )
main.numAttempts = int( main.params[ 'RETRY' ][ 'attempts' ] )
main.apps = main.params[ 'ENV' ][ 'cellApps' ]
ofPort = main.params[ 'CTRL' ][ 'port' ]
stepResult = main.testSetUp.envSetup()
except Exception as e:
main.testSetUp.envSetupException( e )
main.testSetUp.evnSetupConclusion( stepResult )
main.testSetUp.ONOSSetUp( main.Cluster,
cellName=cellName )
main.step( "Starting Mininet" )
# scp topo file to mininet
# TODO: move to params?
topoName = "vpls"
topoFile = "vpls.py"
filePath = main.ONOSbench.home + "/tools/test/topos/"
main.ONOSbench.scp( main.Mininet1,
filePath + topoFile,
main.Mininet1.home,
direction="to" )
topo = " --custom " + main.Mininet1.home + topoFile + " --topo " + topoName
args = " --switch ovs,protocols=OpenFlow13"
for ctrl in main.Cluster.active():
args += " --controller=remote,ip=" + ctrl.ipAddress
mnCmd = "sudo mn" + topo + args
mnResult = main.Mininet1.startNet( mnCmd=mnCmd )
utilities.assert_equals( expect=main.TRUE, actual=mnResult,
onpass="Mininet Started",
onfail="Error starting Mininet" )
main.step( "Activate apps defined in the params file" )
# get data from the params
apps = main.params.get( 'apps' )
if apps:
apps = apps.split( ',' )
main.log.warn( apps )
activateResult = True
for app in apps:
main.Cluster.active( 0 ).CLI.app( app, "Activate" )
# TODO: check this worked
time.sleep( SLEEP ) # wait for apps to activate
for app in apps:
state = main.Cluster.active( 0 ).CLI.appStatus( app )
if state == "ACTIVE":
activateResult = activateResult and True
else:
main.log.error( "{} is in {} state".format( app, state ) )
activateResult = False
utilities.assert_equals( expect=True,
actual=activateResult,
onpass="Successfully activated apps",
onfail="Failed to activate apps" )
else:
main.log.warn( "No apps were specified to be loaded after startup" )
main.step( "Set ONOS configurations" )
config = main.params.get( 'ONOS_Configuration' )
if config:
main.log.debug( config )
checkResult = main.TRUE
for component in config:
for setting in config[ component ]:
value = config[ component ][ setting ]
check = main.Cluster.active( 0 ).CLI.setCfg( component, setting, value )
main.log.info( "Value was changed? {}".format( main.TRUE == check ) )
checkResult = check and checkResult
utilities.assert_equals( expect=main.TRUE,
actual=checkResult,
onpass="Successfully set config",
onfail="Failed to set config" )
else:
main.log.warn( "No configurations were specified to be changed after startup" )
main.step( "App Ids check" )
appCheck = main.Cluster.command( "appToIDCheck", returnBool=True )
if appCheck is not True:
main.log.warn( main.Cluster.active( 0 ).CLI.apps() )
main.log.warn( main.Cluster.active( 0 ).CLI.appIDs() )
utilities.assert_equals( expect=True, actual=appCheck,
onpass="App Ids seem to be correct",
onfail="Something is wrong with app Ids" )
def CASE2( self, main ):
"""
Load and test vpls configurations from json configuration file
"""
import os.path
from tests.USECASE.VPLS.dependencies import vpls
main.vpls = vpls
pprint = main.ONOSrest1.pprint
hosts = int( main.params[ 'vpls' ][ 'hosts' ] )
SLEEP = int( main.params[ 'SLEEP' ][ 'netcfg' ] )
main.step( "Discover hosts using pings" )
for i in range( 1, hosts + 1 ):
src = "h" + str( i )
for j in range( 1, hosts + 1 ):
if j == i:
continue
dst = "h" + str( j )
pingResult = main.Mininet1.pingHost( SRC=src, TARGET=dst )
main.step( "Load VPLS configurations" )
fileName = main.params[ 'DEPENDENCY' ][ 'topology' ]
app = main.params[ 'vpls' ][ 'name' ]
loadVPLSResult = main.ONOSbench.onosNetCfg( main.Cluster.active( 0 ).ipAddress, "", fileName )
utilities.assert_equals( expect=main.TRUE,
actual=loadVPLSResult,
onpass="Loaded vpls configuration.",
onfail="Failed to load vpls configuration." )
# Time for netcfg to load data
time.sleep( SLEEP )
main.step( "Check VPLS configurations" )
# 'Master' copy of test configuration
try:
with open( os.path.expanduser( fileName ) ) as dataFile:
originalCfg = json.load( dataFile )
main.vplsConfig = originalCfg[ 'apps' ].get( app ).get( 'vpls' ).get( 'vplsList' )
except Exception as e:
main.log.error( "Error loading config file: {}".format( e ) )
if main.vplsConfig:
result = True
else:
result = False
utilities.assert_equals( expect=True,
actual=result,
onpass="Check vpls configuration succeeded.",
onfail="Check vpls configuration failed." )
main.step( "Check interface configurations" )
result = False
getPorts = utilities.retry( f=main.ONOSrest1.getNetCfg,
retValue=False,
kwargs={ "subjectClass": "ports" },
sleep=SLEEP )
onosCfg = pprint( getPorts )
sentCfg = pprint( originalCfg.get( "ports" ) )
if onosCfg == sentCfg:
main.log.info( "ONOS interfaces NetCfg matches what was sent" )
result = True
else:
main.log.error( "ONOS interfaces NetCfg doesn't match what was sent" )
main.log.debug( "ONOS config: {}".format( onosCfg ) )
main.log.debug( "Sent config: {}".format( sentCfg ) )
utilities.assert_equals( expect=True,
actual=result,
onpass="Net Cfg added for interfaces",
onfail="Net Cfg not added for interfaces" )
# Run a bunch of checks to verify functionality based on configs
vpls.verify( main )
# This is to avoid a race condition in pushing netcfg's.
main.step( "Loading vpls configuration in case any configuration was missed." )
loadVPLSResult = main.ONOSbench.onosNetCfg( main.Cluster.active( 0 ).ipAddress, "", fileName )
utilities.assert_equals( expect=main.TRUE,
actual=loadVPLSResult,
onpass="Loaded vpls configuration.",
onfail="Failed to load vpls configuration." )
def CASE50( self, main ):
"""
Initial connectivity check
"""
main.case( "Check connectivity before running all other tests." )
# Check connectivity before running all other tests
connectCheckResult = main.vpls.testConnectivityVpls( main )
utilities.assert_equals( expect=main.TRUE, actual=connectCheckResult,
onpass="Connectivity is as expected.",
onfail="Connectivity is NOT as expected." )
def CASE100( self, main ):
"""
Bring down 1 host at a time and test connectivity
"""
assert vpls, "vpls not defined"
main.case( "Bring down one host at a time and test connectivity." )
result = main.TRUE
for i in range( 1, hosts + 1 ):
stri = str( i )
# Bring host down
main.step( "Kill link between s" + stri + " and h" + stri + "." )
linkDownResult = main.Mininet1.link( END1="s" + stri, END2="h" + stri, OPTION="down" )
# Check if link was successfully down'd
utilities.assert_equals( expect=main.TRUE, actual=linkDownResult,
onpass="Link down successful.",
onfail="Failed to bring link down." )
result = result and linkDownResult
# Check connectivity
connectivityResult = vpls.testConnectivityVpls( main, blacklist=[ "h" + stri ] )
result = result and connectivityResult
# Bring host up
main.step( "Re-adding link between s" + stri + " and h" + stri + "." )
linkUpResult = main.Mininet1.link( END1="s" + stri, END2="h" + stri, OPTION="up" )
# Check if link was successfully re-added
utilities.assert_equals( expect=main.TRUE, actual=linkUpResult,
onpass="Link up successful.",
onfail="Failed to bring link up." )
result = result and linkUpResult
# Discover host using ping
main.step( "Discover h" + stri + " using ping." )
main.Mininet1.pingHost( SRC="h" + stri, TARGET="h" + str( ( i % hosts ) + 1 ) )
# Check connectivity
connectivityResult = vpls.testConnectivityVpls( main )
result = result and connectivityResult
if not result:
break
utilities.assert_equals( expect=main.TRUE, actual=result,
onpass="Connectivity is as expected.",
onfail="Connectivity is NOT as expected." )
def CASE200( self, main ):
"""
Bring down 1 switch at a time and test connectivity
"""
assert vpls, "vpls not defined"
main.case( "Bring down one switch at a time and test connectivity." )
links = main.Mininet1.getLinks() # Obtain links here
result = main.TRUE
for i in range( 5, hosts + 1 ):
stri = str( i )
# Bring switch down
main.step( "Delete s" + stri + "." )
delSwitchResult = main.Mininet1.delSwitch( sw="s" + stri )
# Check if switch was deleted
utilities.assert_equals( expect=main.TRUE, actual=delSwitchResult,
onpass="Successfully deleted switch.",
onfail="Failed to delete switch." )
result = result and delSwitchResult
# Check connectivity
connectivityResult = vpls.testConnectivityVpls( main, blacklist=[ "h" + stri ] )
result = result and connectivityResult
# Bring switch up
main.step( "Add s" + stri + "." )
addSwitchResult = main.Mininet1.addSwitch( sw="s" + stri )
# Check if switch was added
utilities.assert_equals( expect=main.TRUE, actual=addSwitchResult,
onpass="Successfully added switch.",
onfail="Failed to add switch." )
result = result and addSwitchResult
# Reconnect links
main.step( "Reconnecting links on s" + stri + "." )
for j in links:
if ( j[ 'node1' ] == "s" + stri and j[ 'node2' ][ 0 ] == "s" ) or \
( j[ 'node2' ] == "s" + stri and j[ 'node1' ][ 0 ] == "s" ):
main.Mininet1.addLink( str( j[ 'node1' ] ), str( j[ 'node2' ] ) )
# Discover host using ping
main.Mininet1.pingHost( SRC="h" + stri, TARGET="h" + str( ( i % hosts ) + 1 ) )
# Check connectivity
connectivityResult = vpls.testConnectivityVpls( main )
result = result and connectivityResult
if not result:
break
utilities.assert_equals( expect=main.TRUE,
actual=result,
onpass="Connectivity is as expected.",
onfail="Connectivity is NOT as expected." )
def CASE300( self, main ):
"""
Stop 1 ONOS node at a time and test connectivity
"""
from tests.USECASE.VPLS.dependencies import vpls
from tests.HA.dependencies.HA import HA
assert vpls, "vpls not defined"
main.HA = HA()
main.case( "Stop one ONOS node at a time and test connectivity." )
result = main.TRUE
for i in range( 0, main.Cluster.numCtrls ):
stri = str( i )
ip_address = main.Cluster.active( i ).ipAddress
# Stop an ONOS node: i
main.step( "Stop ONOS node " + stri + "." )
stopResult = main.ONOSbench.onosStop( ip_address )
main.Cluster.runningNodes[ i ].active = False
utilities.assert_equals( expect=main.TRUE, actual=stopResult,
onpass="ONOS nodes stopped successfully.",
onfail="ONOS nodes NOT successfully stopped." )
# Check connectivity
connectivityResult = vpls.testConnectivityVpls( main, isNodeUp=False )
result = result and connectivityResult
# Restart ONOS node
main.step( "Restart ONOS node " + stri + " and checking status of restart." )
startResult = main.ONOSbench.onosStart( ip_address )
utilities.assert_equals( expect=main.TRUE, actual=startResult,
onpass="ONOS nodes started successfully.",
onfail="ONOS nodes NOT successfully started." )
result = result and startResult
# Check if ONOS is up yet
main.log.info( "Checking if ONOS node " + stri + " is up." )
upResult = main.ONOSbench.isup( ip_address )
utilities.assert_equals( expect=main.TRUE, actual=upResult,
onpass="ONOS successfully restarted.",
onfail="ONOS did NOT successfully restart." )
# Restart CLI
main.log.info( "Restarting ONOS node " + stri + "'s main.CLI." )
cliResults = main.Cluster.active( 0 ).CLI.startOnosCli( ip_address )
main.Cluster.runningNodes[ i ].active = True
utilities.assert_equals( expect=main.TRUE, actual=cliResults,
onpass="ONOS CLI successfully restarted.",
onfail="ONOS CLI did NOT successfully restart." )
# Run some basic checks to see if ONOS node truly has succesfully restarted:
# Checking if all nodes appear with status READY using 'nodes' command
main.testSetUp.checkOnosNodes( main.Cluster )
# All apps that are present are active
main.log.info( "Checking if apps are active." )
compareAppsResult = vpls.compareApps( main )
utilities.assert_equals( expect=main.TRUE,
actual=compareAppsResult,
onpass="Apps are the same across all nodes.",
onfail="Apps are NOT the same across all nodes." )
result = result and compareAppsResult
# Check connectivity
connectivityResult = vpls.testConnectivityVpls( main )
result = result and connectivityResult
if not result:
break
utilities.assert_equals( expect=main.TRUE,
actual=result,
onpass="Connectivity is as expected.",
onfail="Connectivity is NOT as expected." )
def CASE310( self, main ):
"""
Kill 1 ONOS node at a time and test connectivity
"""
assert vpls, "vpls not defined"
main.case( "Kill one ONOS node at a time and test connectivity." )
killSleep = int( main.params[ 'SLEEP' ][ 'killnode' ] )
result = main.TRUE
for i in range( 0, main.Cluster.numCtrls ):
# Kill an ONOS node
main.step( "Killing ONOS node " + str( i + 1 ) + "." )
killresult = main.ONOSbench.onosKill( main.Cluster.active( i ).ipAddress )
# Check if ONOS node has been successfully killed
utilities.assert_equals( expect=main.TRUE, actual=killresult,
onpass="ONOS node killed successfully.",
onfail="ONOS node NOT successfully killed." )
main.step( "Waiting for ONOS to restart." )
main.log.info( "Sleeping for " + str( killSleep ) + " seconds..." )
time.sleep( killSleep )
# Check connectivity
connectivityResult = vpls.testConnectivityVpls( main )
result = result and connectivityResult
if not result:
break
utilities.assert_equals( expect=main.TRUE,
actual=result,
onpass="Connectivity is as expected.",
onfail="Connectivity is NOT as expected." )
def CASE400( self, main ):
"""
Bring down 1 link at a time and test connectivity
"""
assert vpls, "vpls not defined"
main.case( "Bring down one link at a time and test connectivity." )
result = main.TRUE
for link in main.Mininet1.getLinks():
nodes = [ link[ 'node1' ], link[ 'node2' ] ]
# Bring down a link
main.step( "Bring down link: " + nodes[ 0 ] + " to " + nodes[ 1 ] )
delLinkResult = main.Mininet1.link( END1=nodes[ 0 ], END2=nodes[ 1 ], OPTION="down" )
# Check if the link has successfully been brought down
utilities.assert_equals( expect=main.TRUE, actual=delLinkResult,
onpass="Successfully deleted link.",
onfail="Failed to delete link." )
result = result and delLinkResult
# Add removed host to blacklist if necessary
blacklist = []
for l in nodes:
if l[ 0 ] == 'h':
blacklist.append( l )
# Check intent states, then connectivity
connectivityResult = vpls.testConnectivityVpls( main, blacklist )
result = result and connectivityResult
# Re-add the link
main.step( "Adding link: " + nodes[ 0 ] + " to " + nodes[ 1 ] + "." )
addLinkResult = main.Mininet1.link( END1=nodes[ 0 ], END2=nodes[ 1 ], OPTION="up" )
# Check if the link has successfully been added
utilities.assert_equals( expect=main.TRUE, actual=addLinkResult,
onpass="Successfully added link.",
onfail="Failed to delete link." )
result = result and addLinkResult
main.log.debug( main.timeSleep )
time.sleep( main.timeSleep )
# Check intent states, then connectivity
connectivityResult = vpls.testConnectivityVpls( main )
result = result and connectivityResult
if not result:
break
utilities.assert_equals( expect=main.TRUE,
actual=result,
onpass="Connectivity is as expected.",
onfail="Connectivity is NOT as expected." )