| #!/usr/bin/env python |
| """ |
| 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/>. |
| |
| |
| This driver is used to interact with an ONOS cluster. It should |
| handle creating the necessary components to interact with each specific ONOS nodes. |
| |
| 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> |
| |
| """ |
| import pexpect |
| import os |
| from drivers.common.clidriver import CLI |
| |
| # FIXME: Move this to it's own file? |
| class Controller(): |
| def __str__( self ): |
| return self.name |
| def __repr__( self ): |
| #TODO use repr() for components? |
| return "%s<IP=%s, CLI=%s, REST=%s, Bench=%s >" % ( self.name, |
| self.ipAddress, |
| self.CLI, |
| self.REST, |
| self.Bench ) |
| |
| def __getattr__( self, name ): |
| """ |
| Called when an attribute lookup has not found the attribute |
| in the usual places (i.e. it is not an instance attribute nor |
| is it found in the class tree for self). name is the attribute |
| name. This method should return the (computed) attribute value |
| or raise an AttributeError exception. |
| |
| We will look into each of the node's component handles to try to find the attreibute, looking at REST first |
| """ |
| usedDriver = False |
| if hasattr( self.REST, name ): |
| main.log.warn( "Rest driver has attribute '%s'" % ( name ) ) |
| if not usedDriver: |
| usedDriver = True |
| main.log.debug("Using Rest driver's attribute for '%s'" % (name)) |
| f = getattr( self.REST, name) |
| if hasattr( self.CLI, name ): |
| main.log.warn( "CLI driver has attribute '%s'" % ( name ) ) |
| if not usedDriver: |
| usedDriver = True |
| main.log.debug("Using CLI driver's attribute for '%s'" % (name)) |
| f = getattr( self.CLI, name) |
| if hasattr( self.Bench, name ): |
| main.log.warn( "Bench driver has attribute '%s'" % ( name ) ) |
| if not usedDriver: |
| usedDriver = True |
| main.log.debug("Using Bench driver's attribute for '%s'" % (name)) |
| f = getattr( self.Bench, name) |
| if usedDriver: |
| return f |
| raise AttributeError( "Could not find the attribute %s in %r or it's component handles" % ( name, self ) ) |
| |
| |
| |
| def __init__( self, name, ipAddress, CLI=None, REST=None, Bench=None, pos=None, userName=None ): |
| #TODO: validate these arguments |
| self.name = str( name ) |
| self.ipAddress = ipAddress |
| self.CLI = CLI |
| self.REST = REST |
| self.Bench = Bench |
| self.active = False |
| self.pos = pos |
| self.ip_address = ipAddress |
| self.user_name = userName |
| |
| class OnosClusterDriver( CLI ): |
| |
| def __init__( self ): |
| """ |
| Initialize client |
| """ |
| self.name = None |
| self.home = None |
| self.handle = None |
| self.nodes = [] |
| super( OnosClusterDriver, self ).__init__() |
| |
| def checkOptions( self, var, defaultVar ): |
| if var is None or var == "": |
| return defaultVar |
| return var |
| |
| def connect( self, **connectargs ): |
| """ |
| Creates ssh handle for ONOS "bench". |
| NOTE: |
| The ip_address would come from the topo file using the host tag, the |
| value can be an environment variable as well as a "localhost" to get |
| the ip address needed to ssh to the "bench" |
| """ |
| try: |
| for key in connectargs: |
| vars( self )[ key ] = connectargs[ key ] |
| self.home = "~/onos" |
| for key in self.options: |
| if key == "home": |
| self.home = self.options[ 'home' ] |
| elif key == "karaf_username": |
| self.karafUser = self.options[ key ] |
| elif key == "karaf_password": |
| self.karafPass = self.options[ key ] |
| elif key == "cluster_name": |
| prefix = self.options[ key ] |
| |
| self.home = self.checkOptions(self.home, "~/onos") |
| self.karafUser = self.checkOptions(self.karafUser, self.user_name) |
| self.karafPass = self.checkOptions(self.karafPass, self.pwd ) |
| prefix = self.checkOptions( prefix, "ONOS" ) |
| |
| self.name = self.options[ 'name' ] |
| |
| # The 'nodes' tag is optional and it is not required in .topo file |
| for key in self.options: |
| if key == "nodes": |
| # Maximum number of ONOS nodes to run, if there is any |
| self.maxNodes = int( self.options[ 'nodes' ] ) |
| break |
| self.maxNodes = None |
| |
| if self.maxNodes is None or self.maxNodes == "": |
| self.maxNodes = 100 |
| |
| # Grabs all OC environment variables based on max number of nodes |
| # TODO: Also support giving an ip range as a compononet option |
| self.onosIps = {} # Dictionary of all possible ONOS ip |
| |
| try: |
| if self.maxNodes: |
| for i in range( self.maxNodes ): |
| envString = "OC" + str( i + 1 ) |
| # If there is no more OC# then break the loop |
| if os.getenv( envString ): |
| self.onosIps[ envString ] = os.getenv( envString ) |
| else: |
| self.maxNodes = len( self.onosIps ) |
| main.log.info( self.name + |
| ": Created cluster data with " + |
| str( self.maxNodes ) + |
| " maximum number" + |
| " of nodes" ) |
| break |
| |
| if not self.onosIps: |
| main.log.info( "Could not read any environment variable" |
| + " please load a cell file with all" + |
| " onos IP" ) |
| self.maxNodes = None |
| else: |
| main.log.info( self.name + ": Found " + |
| str( self.onosIps.values() ) + |
| " ONOS IPs" ) |
| except KeyError: |
| main.log.info( "Invalid environment variable" ) |
| except Exception as inst: |
| main.log.error( "Uncaught exception: " + str( inst ) ) |
| |
| try: |
| if os.getenv( str( self.ip_address ) ) is not None: |
| self.ip_address = os.getenv( str( self.ip_address ) ) |
| else: |
| main.log.info( self.name + |
| ": Trying to connect to " + |
| self.ip_address ) |
| except KeyError: |
| main.log.info( "Invalid host name," + |
| " connecting to local host instead" ) |
| self.ip_address = 'localhost' |
| except Exception as inst: |
| main.log.error( "Uncaught exception: " + str( inst ) ) |
| |
| self.handle = super( OnosClusterDriver, self ).connect( |
| user_name=self.user_name, |
| ip_address=self.ip_address, |
| port=self.port, |
| pwd=self.pwd, |
| home=self.home ) |
| |
| if self.handle: |
| self.handle.sendline( "cd " + self.home ) |
| self.handle.expect( "\$" ) |
| self.createComponents( prefix=prefix ) |
| return self.handle |
| else: |
| main.log.info( "Failed to create ONOS handle" ) |
| return main.FALSE |
| except pexpect.EOF: |
| main.log.error( self.name + ": EOF exception found" ) |
| main.log.error( self.name + ": " + self.handle.before ) |
| main.cleanup() |
| main.exit() |
| except Exception: |
| main.log.exception( self.name + ": Uncaught exception!" ) |
| main.cleanup() |
| main.exit() |
| |
| def disconnect( self ): |
| """ |
| Called when Test is complete to disconnect the ONOS handle. |
| """ |
| response = main.TRUE |
| try: |
| if self.handle: |
| self.handle.sendline( "" ) |
| self.handle.expect( "\$" ) |
| self.handle.sendline( "exit" ) |
| self.handle.expect( "closed" ) |
| except pexpect.EOF: |
| main.log.error( self.name + ": EOF exception found" ) |
| main.log.error( self.name + ": " + self.handle.before ) |
| except ValueError: |
| main.log.exception( "Exception in disconnect of " + self.name ) |
| response = main.TRUE |
| except Exception: |
| main.log.exception( self.name + ": Connection failed to the host" ) |
| response = main.FALSE |
| return response |
| |
| def setCliOptions( self, name, host ): |
| """ |
| Parse the cluster options to create an ONOS cli component with the given name |
| """ |
| main.componentDictionary[name] = main.componentDictionary[self.name].copy() |
| clihost = main.componentDictionary[ name ][ 'COMPONENTS' ].get( "diff_clihost", "" ) |
| if clihost == "True": |
| main.componentDictionary[ name ][ 'host' ] = host |
| main.componentDictionary[name]['type'] = "OnosCliDriver" |
| main.componentDictionary[name]['connect_order'] = str( int( main.componentDictionary[name]['connect_order'] ) + 1 ) |
| main.log.debug( main.componentDictionary[name] ) |
| |
| def createCliComponent( self, name, host ): |
| """ |
| Creates a new onos cli component. |
| |
| Arguments: |
| name - The string of the name of this component. The new component |
| will be assigned to main.<name> . |
| In addition, main.<name>.name = str( name ) |
| """ |
| try: |
| # look to see if this component already exists |
| getattr( main, name ) |
| except AttributeError: |
| # namespace is clear, creating component |
| self.setCliOptions( name, host ) |
| return main.componentInit( name ) |
| except pexpect.EOF: |
| main.log.error( self.name + ": EOF exception found" ) |
| main.log.error( self.name + ": " + self.handle.before ) |
| main.cleanup() |
| main.exit() |
| except Exception: |
| main.log.exception( self.name + ": Uncaught exception!" ) |
| main.cleanup() |
| main.exit() |
| else: |
| # namespace is not clear! |
| main.log.error( name + " component already exists!" ) |
| main.cleanup() |
| main.exit() |
| |
| def setRestOptions( self, name, host ): |
| """ |
| Parse the cluster options to create an ONOS cli component with the given name |
| """ |
| main.componentDictionary[name] = main.componentDictionary[self.name].copy() |
| main.log.debug( main.componentDictionary[name] ) |
| user = main.componentDictionary[name]['COMPONENTS'].get( "web_user", "onos" ) |
| main.componentDictionary[name]['user'] = self.checkOptions( user, "onos" ) |
| password = main.componentDictionary[name]['COMPONENTS'].get( "web_pass", "rocks" ) |
| main.componentDictionary[name]['pass'] = self.checkOptions( password, "rocks" ) |
| main.componentDictionary[name]['host'] = host |
| port = main.componentDictionary[name]['COMPONENTS'].get( "rest_port", "8181" ) |
| main.componentDictionary[name]['port'] = self.checkOptions( port, "8181" ) |
| main.componentDictionary[name]['type'] = "OnosRestDriver" |
| main.componentDictionary[name]['connect_order'] = str( int( main.componentDictionary[name]['connect_order'] ) + 1 ) |
| main.log.debug( main.componentDictionary[name] ) |
| |
| def createRestComponent( self, name, ipAddress ): |
| """ |
| Creates a new onos rest component. |
| |
| Arguments: |
| name - The string of the name of this component. The new component |
| will be assigned to main.<name> . |
| In addition, main.<name>.name = str( name ) |
| """ |
| try: |
| # look to see if this component already exists |
| getattr( main, name ) |
| except AttributeError: |
| # namespace is clear, creating component |
| self.setRestOptions( name, ipAddress ) |
| return main.componentInit( name ) |
| except pexpect.EOF: |
| main.log.error( self.name + ": EOF exception found" ) |
| main.log.error( self.name + ": " + self.handle.before ) |
| main.cleanup() |
| main.exit() |
| except Exception: |
| main.log.exception( self.name + ": Uncaught exception!" ) |
| main.cleanup() |
| main.exit() |
| else: |
| # namespace is not clear! |
| main.log.error( name + " component already exists!" ) |
| main.cleanup() |
| main.exit() |
| |
| def setBenchOptions( self, name ): |
| """ |
| Parse the cluster options to create an ONOS "bench" component with the given name |
| """ |
| main.componentDictionary[name] = main.componentDictionary[self.name].copy() |
| main.componentDictionary[name]['type'] = "OnosDriver" |
| home = main.componentDictionary[name]['COMPONENTS'].get( "onos_home", None ) |
| main.componentDictionary[name]['home'] = self.checkOptions( home, None ) |
| main.componentDictionary[name]['connect_order'] = str( int( main.componentDictionary[name]['connect_order'] ) + 1 ) |
| main.log.debug( main.componentDictionary[name] ) |
| |
| def createBenchComponent( self, name ): |
| """ |
| Creates a new onos "bench" component. |
| |
| Arguments: |
| name - The string of the name of this component. The new component |
| will be assigned to main.<name> . |
| In addition, main.<name>.name = str( name ) |
| """ |
| try: |
| # look to see if this component already exists |
| getattr( main, name ) |
| except AttributeError: |
| # namespace is clear, creating component |
| self.setBenchOptions( name ) |
| return main.componentInit( name ) |
| except pexpect.EOF: |
| main.log.error( self.name + ": EOF exception found" ) |
| main.log.error( self.name + ": " + self.handle.before ) |
| main.cleanup() |
| main.exit() |
| except Exception: |
| main.log.exception( self.name + ": Uncaught exception!" ) |
| main.cleanup() |
| main.exit() |
| else: |
| # namespace is not clear! |
| main.log.error( name + " component already exists!" ) |
| main.cleanup() |
| main.exit() |
| |
| def createComponents( self, prefix='' ): |
| """ |
| Creates a CLI and REST component for each nodes in the cluster |
| """ |
| # TODO: This needs work to support starting two seperate clusters in one test |
| cliPrefix = prefix + "cli" |
| restPrefix = prefix + "rest" |
| benchPrefix = prefix + "bench" |
| #self.nodes = [] |
| for i in xrange( 1, self.maxNodes + 1 ): |
| cliName = cliPrefix + str( i ) |
| restName = restPrefix + str( i ) |
| benchName = benchPrefix + str( i ) |
| |
| # Unfortunately this means we need to have a cell set beofre running TestON, |
| # Even if it is just the entire possible cluster size |
| ip = self.onosIps[ 'OC' + str( i ) ] |
| |
| cli = self.createCliComponent( cliName, ip ) |
| rest = self.createRestComponent( restName, ip ) |
| bench = self.createBenchComponent( benchName ) |
| self.nodes.append( Controller( prefix + str( i ), ip, cli, rest, bench, i - 1, self.user_name ) ) |