| """ |
| 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/>. |
| """ |
| """ |
| Description: This test is to determine if ONOS can handle |
| a minority of it's nodes restarting |
| |
| List of test cases: |
| CASE1: Compile ONOS and push it to the test machines |
| CASE2: Assign devices to controllers |
| CASE21: Assign mastership to controllers |
| CASE3: Assign intents |
| CASE4: Ping across added host intents |
| CASE5: Reading state of ONOS |
| CASE61: The Failure inducing case. |
| CASE62: The Failure recovery case. |
| CASE7: Check state after control plane failure |
| CASE8: Compare topo |
| CASE9: Link s3-s28 down |
| CASE10: Link s3-s28 up |
| CASE11: Switch down |
| CASE12: Switch up |
| CASE13: Clean up |
| CASE14: start election app on all onos nodes |
| CASE15: Check that Leadership Election is still functional |
| CASE16: Install Distributed Primitives app |
| CASE17: Check for basic functionality with distributed primitives |
| """ |
| class HAcontinuousStopNodes: |
| |
| 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 pexpect |
| import time |
| import json |
| main.log.info( "ONOS HA test: Stop a minority of ONOS nodes - " + |
| "initialization" ) |
| # set global variables |
| # These are for csv plotting in jenkins |
| main.HAlabels = [] |
| main.HAdata = [] |
| 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() |
| try: |
| from tests.HA.dependencies.HA import HA |
| main.HA = HA() |
| # load some variables from the params file |
| cellName = main.params[ 'ENV' ][ 'cellName' ] |
| main.apps = main.params[ 'ENV' ][ 'appString' ] |
| main.numCtrls = int( main.params[ 'num_controllers' ] ) |
| stepResult = main.testSetUp.envSetup() |
| except Exception as e: |
| main.testSetUp.envSetupException( e ) |
| main.testSetUp.evnSetupConclusion( stepResult ) |
| main.HA.generateGraph( "HAcontinuousStopNodes" ) |
| |
| main.testSetUp.ONOSSetUp( main.Mininet1, main.Cluster, cellName=cellName, removeLog=True, |
| extraApply=[ main.HA.startingMininet, |
| main.HA.customizeOnosGenPartitions ], |
| extraClean=main.HA.cleanUpGenPartition ) |
| main.HA.initialSetUp() |
| |
| def CASE2( self, main ): |
| """ |
| Assign devices to controllers |
| """ |
| main.HA.assignDevices( main ) |
| |
| def CASE21( self, main ): |
| """ |
| Assign mastership to controllers |
| """ |
| main.HA.assignMastership( main ) |
| |
| def CASE3( self, main ): |
| """ |
| Assign intents |
| """ |
| main.HA.assignIntents( main ) |
| |
| def CASE4( self, main ): |
| """ |
| Ping across added host intents |
| """ |
| main.HA.pingAcrossHostIntent( main ) |
| |
| def CASE5( self, main ): |
| """ |
| Reading state of ONOS |
| """ |
| main.HA.readingState( main ) |
| |
| def CASE61( self, main ): |
| """ |
| The Failure case. |
| """ |
| assert main, "main not defined" |
| assert utilities.assert_equals, "utilities.assert_equals not defined" |
| try: |
| assert main.nodeIndex is not None, "main.nodeIndex not defined" |
| assert main.killCount is not None, "main.killCount not defined" |
| except AttributeError as e: |
| main.log.warn( "Node to kill not selected, defaulting to node 1" ) |
| main.nodeIndex = 0 |
| main.killCount = 1 |
| |
| main.case( "Stopping ONOS nodes - iteration " + str( main.killCount ) ) |
| |
| main.step( "Checking ONOS Logs for errors" ) |
| for ctrl in main.Cluster.runningNodes: |
| main.log.debug( "Checking logs for errors on " + ctrl.name + ":" ) |
| main.log.warn( main.ONOSbench.checkLogs( ctrl.ipAddress ) ) |
| |
| # NOTE: For now only kill one node. If we move to killing more, we need to |
| # make sure we don't lose any partitions |
| n = len( main.Cluster.runningNodes ) # Number of nodes |
| main.nodeIndex = ( main.nodeIndex + 1 ) % n |
| main.kill = [ main.Cluster.runningNodes[ main.nodeIndex ] ] # ONOS node to kill, listed by index in main.nodes |
| |
| # TODO: Be able to configure bringing up old node vs. a new/fresh installation |
| main.step( "Stopping " + str( len( main.kill ) ) + " ONOS nodes" ) |
| killResults = main.TRUE |
| for ctrl in main.kill: |
| killResults = killResults and\ |
| main.ONOSbench.onosStop( ctrl.ipAddress ) |
| ctrl.active = False |
| utilities.assert_equals( expect=main.TRUE, actual=killResults, |
| onpass="ONOS nodes stopped successfully", |
| onfail="ONOS nodes NOT successfully stopped" ) |
| |
| main.step( "Checking ONOS nodes" ) |
| nodeResults = utilities.retry( main.HA.nodesCheck, |
| False, |
| args=[ main.Cluster.active() ], |
| sleep=15, |
| attempts=5 ) |
| |
| utilities.assert_equals( expect=True, actual=nodeResults, |
| onpass="Nodes check successful", |
| onfail="Nodes check NOT successful" ) |
| |
| if not nodeResults: |
| for ctrl in main.Cluster.active(): |
| main.log.debug( "{} components not ACTIVE: \n{}".format( |
| ctrl.name, |
| ctrl.CLI.sendline( "scr:list | grep -v ACTIVE" ) ) ) |
| main.log.error( "Failed to start ONOS, stopping test" ) |
| main.cleanAndExit() |
| |
| main.killCount += 1 |
| |
| def CASE62( self, main ): |
| """ |
| The bring up stopped nodes |
| """ |
| main.HA.bringUpStoppedNode( main ) |
| |
| def CASE7( self, main ): |
| """ |
| Check state after ONOS failure |
| """ |
| try: |
| main.kill |
| except AttributeError: |
| main.kill = [] |
| |
| main.HA.checkStateAfterEvent( main, afterWhich=0 ) |
| |
| main.step( "Leadership Election is still functional" ) |
| # Test of LeadershipElection |
| leaderList = [] |
| |
| restarted = [] |
| for ctrl in main.kill: |
| restarted.append( ctrl.ipAddress ) |
| leaderResult = main.TRUE |
| |
| for ctrl in main.Cluster.active(): |
| leaderN = ctrl.CLI.electionTestLeader() |
| leaderList.append( leaderN ) |
| if leaderN == main.FALSE: |
| # error in response |
| main.log.error( "Something is wrong with " + |
| "electionTestLeader function, check the" + |
| " error logs" ) |
| leaderResult = main.FALSE |
| elif leaderN is None: |
| main.log.error( ctrl.name + |
| " shows no leader for the election-app was" + |
| " elected after the old one died" ) |
| leaderResult = main.FALSE |
| elif leaderN in restarted: |
| main.log.error( ctrl.name + " shows " + str( leaderN ) + |
| " as leader for the election-app, but it " + |
| "was restarted" ) |
| leaderResult = main.FALSE |
| if len( set( leaderList ) ) != 1: |
| leaderResult = main.FALSE |
| main.log.error( |
| "Inconsistent view of leader for the election test app" ) |
| # TODO: print the list |
| utilities.assert_equals( |
| expect=main.TRUE, |
| actual=leaderResult, |
| onpass="Leadership election passed", |
| onfail="Something went wrong with Leadership election" ) |
| |
| def CASE8( self, main ): |
| """ |
| Compare topo |
| """ |
| main.HA.compareTopo( main ) |
| |
| def CASE9( self, main ): |
| """ |
| Link s3-s28 down |
| """ |
| main.HA.linkDown( main ) |
| |
| def CASE10( self, main ): |
| """ |
| Link s3-s28 up |
| """ |
| main.HA.linkUp( main ) |
| |
| def CASE11( self, main ): |
| """ |
| Switch Down |
| """ |
| # NOTE: You should probably run a topology check after this |
| main.HA.switchDown( main ) |
| |
| def CASE12( self, main ): |
| """ |
| Switch Up |
| """ |
| # NOTE: You should probably run a topology check after this |
| main.HA.switchUp( main ) |
| |
| def CASE13( self, main ): |
| """ |
| Clean up |
| """ |
| main.HAlabels.append( "Restart" ) |
| main.HAdata.append( str( main.restartTime ) ) |
| main.HA.cleanUp( main ) |
| |
| def CASE14( self, main ): |
| """ |
| start election app on all onos nodes |
| """ |
| main.HA.startElectionApp( main ) |
| |
| def CASE15( self, main ): |
| """ |
| Check that Leadership Election is still functional |
| 15.1 Run election on each node |
| 15.2 Check that each node has the same leaders and candidates |
| 15.3 Find current leader and withdraw |
| 15.4 Check that a new node was elected leader |
| 15.5 Check that that new leader was the candidate of old leader |
| 15.6 Run for election on old leader |
| 15.7 Check that oldLeader is a candidate, and leader if only 1 node |
| 15.8 Make sure that the old leader was added to the candidate list |
| |
| old and new variable prefixes refer to data from before vs after |
| withdrawl and later before withdrawl vs after re-election |
| """ |
| main.HA.isElectionFunctional( main ) |
| |
| def CASE16( self, main ): |
| """ |
| Install Distributed Primitives app |
| """ |
| main.HA.installDistributedPrimitiveApp( main ) |
| |
| def CASE17( self, main ): |
| """ |
| Check for basic functionality with distributed primitives |
| """ |
| main.HA.checkDistPrimitivesFunc( main ) |