| #!/usr/bin/env python |
| """ |
| Created on 07-08-2015 |
| |
| 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/>. |
| |
| """ |
| import json |
| import os |
| import requests |
| import types |
| import sys |
| |
| from drivers.common.api.controllerdriver import Controller |
| |
| |
| class OnosRestDriver( Controller ): |
| |
| def __init__( self ): |
| self.pwd = None |
| self.user_name = "user" |
| super( Controller, self ).__init__() |
| self.ip_address = "localhost" |
| self.port = "8080" |
| self.wrapped = sys.modules[ __name__ ] |
| |
| def connect( self, **connectargs ): |
| try: |
| for key in connectargs: |
| vars( self )[ key ] = connectargs[ key ] |
| self.name = self.options[ 'name' ] |
| except Exception as e: |
| main.log.exception( e ) |
| try: |
| if os.getenv( str( self.ip_address ) ) != None: |
| self.ip_address = os.getenv( str( self.ip_address ) ) |
| else: |
| main.log.info( self.name + ": ip set to " + self.ip_address ) |
| except KeyError: |
| main.log.info( "Invalid host name," + |
| "defaulting to 'localhost' instead" ) |
| self.ip_address = 'localhost' |
| except Exception as inst: |
| main.log.error( "Uncaught exception: " + str( inst ) ) |
| |
| self.handle = super( OnosRestDriver, self ).connect() |
| return self.handle |
| |
| def pprint( self, jsonObject ): |
| """ |
| Pretty Prints a json object |
| |
| arguments: |
| jsonObject - a parsed json object |
| returns: |
| A formatted string for printing or None on error |
| """ |
| try: |
| if isinstance( jsonObject, str ): |
| jsonObject = json.loads( jsonObject ) |
| return json.dumps( jsonObject, sort_keys=True, |
| indent=4, separators=(',', ': ')) |
| except ( TypeError, ValueError ): |
| main.log.exception( "Error parsing jsonObject" ) |
| return None |
| |
| def send( self, ip, port, url, base="/onos/v1", method="GET", |
| query=None, data=None, debug=False ): |
| """ |
| Arguments: |
| str ip: ONOS IP Address |
| str port: ONOS REST Port |
| str url: ONOS REST url path. |
| NOTE that this is is only the relative path. IE "/devices" |
| str base: The base url for the given REST api. Applications could |
| potentially have their own base url |
| str method: HTTP method type |
| dict query: Dictionary to be sent in the query string for |
| the request |
| dict data: Dictionary to be sent in the body of the request |
| """ |
| # TODO: Authentication - simple http (user,pass) tuple |
| # TODO: should we maybe just pass kwargs straight to response? |
| # TODO: Do we need to allow for other protocols besides http? |
| # ANSWER: Not yet, but potentially https with certificates |
| try: |
| path = "http://" + str( ip ) + ":" + str( port ) + base + url |
| if self.user_name and self.pwd: |
| main.log.info("user/passwd is: " + self.user_name + "/" + self.pwd) |
| auth = (self.user_name, self.pwd) |
| else: |
| auth=None |
| main.log.info( "Sending request " + path + " using " + |
| method.upper() + " method." ) |
| response = requests.request( method.upper(), |
| path, |
| params=query, |
| data=data, |
| auth=auth ) |
| if debug: |
| main.log.debug( response ) |
| return ( response.status_code, response.text.encode( 'utf8' ) ) |
| except requests.exceptions: |
| main.log.exception( "Error sending request." ) |
| return None |
| except Exception: |
| main.log.exception( self.name + ": Uncaught exception!" ) |
| main.cleanup() |
| main.exit() |
| |
| def intents( self, ip="DEFAULT", port="DEFAULT" ): |
| """ |
| Description: |
| Gets a list of dictionary of all intents in the system |
| Returns: |
| A list of dictionary of intents in string type to match the cli |
| version for now; Returns main.FALSE if error on request; |
| Returns None for exception |
| """ |
| try: |
| output = None |
| if ip == "DEFAULT": |
| main.log.warn( "No ip given, reverting to ip from topo file" ) |
| ip = self.ip_address |
| if port == "DEFAULT": |
| main.log.warn( "No port given, reverting to port " + |
| "from topo file" ) |
| port = self.port |
| response = self.send( ip, port, url="/intents" ) |
| if response: |
| if 200 <= response[ 0 ] <= 299: |
| output = response[ 1 ] |
| a = json.loads( output ).get( 'intents' ) |
| assert a is not None, "Error parsing json object" |
| b = json.dumps( a ) |
| return b |
| else: |
| main.log.error( "Error with REST request, response was: " + |
| str( response ) ) |
| return main.FALSE |
| except ( AttributeError, AssertionError, TypeError ): |
| main.log.exception( self.name + ": Object not as expected" ) |
| return None |
| except Exception: |
| main.log.exception( self.name + ": Uncaught exception!" ) |
| main.cleanup() |
| main.exit() |
| |
| def intent( self, intentId, appId="org.onosproject.cli", |
| ip="DEFAULT", port="DEFAULT" ): |
| """ |
| Description: |
| Get the specific intent information of the given application ID and |
| intent ID |
| Required: |
| str intentId - Intent id in hexadecimal form |
| Optional: |
| str appId - application id of intent |
| Returns: |
| Returns an information dictionary of the given intent; |
| Returns main.FALSE if error on requests; Returns None for exception |
| NOTE: |
| The GET /intents REST api command accepts application id but the |
| api will get updated to accept application name instead |
| """ |
| try: |
| output = None |
| if ip == "DEFAULT": |
| main.log.warn( "No ip given, reverting to ip from topo file" ) |
| ip = self.ip_address |
| if port == "DEFAULT": |
| main.log.warn( "No port given, reverting to port " + |
| "from topo file" ) |
| port = self.port |
| # NOTE: REST url requires the intent id to be in decimal form |
| query = "/" + str( appId ) + "/" + str( intentId ) |
| response = self.send( ip, port, url="/intents" + query ) |
| if response: |
| if 200 <= response[ 0 ] <= 299: |
| output = response[ 1 ] |
| a = json.loads( output ) |
| return a |
| else: |
| main.log.error( "Error with REST request, response was: " + |
| str( response ) ) |
| return main.FALSE |
| except ( AttributeError, TypeError ): |
| main.log.exception( self.name + ": Object not as expected" ) |
| return None |
| except Exception: |
| main.log.exception( self.name + ": Uncaught exception!" ) |
| main.cleanup() |
| main.exit() |
| |
| def getIntentsId( self, ip="DEFAULT", port="DEFAULT" ): |
| """ |
| Description: |
| Gets all intents ID using intents function |
| Returns: |
| List of intents ID;Returns None for exception; Returns None for |
| exception; Returns None for exception |
| """ |
| try: |
| intentsDict = {} |
| intentsIdList = [] |
| intentsDict = json.loads( self.intents( ip=ip, port=port ) ) |
| for intent in intentsDict: |
| intentsIdList.append( intent.get( 'id' ) ) |
| if not intentsIdList: |
| main.log.debug( "Cannot find any intents" ) |
| return main.FALSE |
| else: |
| main.log.info( "Found intents: " + str( intentsIdList ) ) |
| return main.TRUE |
| except ( AttributeError, TypeError ): |
| main.log.exception( self.name + ": Object not as expected" ) |
| return None |
| except Exception: |
| main.log.exception( self.name + ": Uncaught exception!" ) |
| main.cleanup() |
| main.exit() |
| |
| def apps( self, ip="DEFAULT", port="DEFAULT" ): |
| """ |
| Description: |
| Returns all the current application installed in the system |
| Returns: |
| List of dictionary of installed application; Returns main.FALSE for |
| error on request; Returns None for exception |
| """ |
| try: |
| output = None |
| if ip == "DEFAULT": |
| main.log.warn( "No ip given, reverting to ip from topo file" ) |
| ip = self.ip_address |
| if port == "DEFAULT": |
| main.log.warn( "No port given, reverting to port " + |
| "from topo file" ) |
| port = self.port |
| response = self.send( ip, port, url="/applications" ) |
| if response: |
| if 200 <= response[ 0 ] <= 299: |
| output = response[ 1 ] |
| a = json.loads( output ).get( 'applications' ) |
| assert a is not None, "Error parsing json object" |
| b = json.dumps( a ) |
| return b |
| else: |
| main.log.error( "Error with REST request, response was: " + |
| str( response ) ) |
| return main.FALSE |
| except ( AttributeError, AssertionError, TypeError ): |
| main.log.exception( self.name + ": Object not as expected" ) |
| return None |
| except Exception: |
| main.log.exception( self.name + ": Uncaught exception!" ) |
| main.cleanup() |
| main.exit() |
| |
| def activateApp( self, appName, ip="DEFAULT", port="DEFAULT", check=True ): |
| """ |
| Decription: |
| Activate an app that is already installed in ONOS |
| Optional: |
| bool check - If check is True, method will check the status |
| of the app after the command is issued |
| Returns: |
| Returns main.TRUE if the command was successfully or main.FALSE |
| if the REST responded with an error or given incorrect input; |
| Returns None for exception |
| |
| """ |
| try: |
| output = None |
| if ip == "DEFAULT": |
| main.log.warn( "No ip given, reverting to ip from topo file" ) |
| ip = self.ip_address |
| if port == "DEFAULT": |
| main.log.warn( "No port given, reverting to port " + |
| "from topo file" ) |
| port = self.port |
| query = "/" + str( appName ) + "/active" |
| response = self.send( ip, port, method="POST", |
| url="/applications" + query ) |
| if response: |
| output = response[ 1 ] |
| app = json.loads( output ) |
| if 200 <= response[ 0 ] <= 299: |
| if check: |
| if app.get( 'state' ) == 'ACTIVE': |
| main.log.info( self.name + ": " + appName + |
| " application" + |
| " is in ACTIVE state" ) |
| return main.TRUE |
| else: |
| main.log.error( self.name + ": " + appName + |
| " application" + " is in " + |
| app.get( 'state' ) + " state" ) |
| return main.FALSE |
| else: |
| main.log.warn( "Skipping " + appName + |
| "application check" ) |
| return main.TRUE |
| else: |
| main.log.error( "Error with REST request, response was: " + |
| str( response ) ) |
| return main.FALSE |
| except ( AttributeError, TypeError ): |
| main.log.exception( self.name + ": Object not as expected" ) |
| return None |
| except Exception: |
| main.log.exception( self.name + ": Uncaught exception!" ) |
| main.cleanup() |
| main.exit() |
| |
| def deactivateApp( self, appName, ip="DEFAULT", port="DEFAULT", |
| check=True ): |
| """ |
| Required: |
| Deactivate an app that is already activated in ONOS |
| Optional: |
| bool check - If check is True, method will check the status of the |
| app after the command is issued |
| Returns: |
| Returns main.TRUE if the command was successfully sent |
| main.FALSE if the REST responded with an error or given |
| incorrect input; Returns None for exception |
| """ |
| try: |
| output = None |
| if ip == "DEFAULT": |
| main.log.warn( "No ip given, reverting to ip from topo file" ) |
| ip = self.ip_address |
| if port == "DEFAULT": |
| main.log.warn( "No port given, reverting to port " + |
| "from topo file" ) |
| port = self.port |
| query = "/" + str( appName ) + "/active" |
| response = self.send( ip, port, method="DELETE", |
| url="/applications" + query ) |
| if response: |
| output = response[ 1 ] |
| app = json.loads( output ) |
| if 200 <= response[ 0 ] <= 299: |
| if check: |
| if app.get( 'state' ) == 'INSTALLED': |
| main.log.info( self.name + ": " + appName + |
| " application" + |
| " is in INSTALLED state" ) |
| return main.TRUE |
| else: |
| main.log.error( self.name + ": " + appName + |
| " application" + " is in " + |
| app.get( 'state' ) + " state" ) |
| return main.FALSE |
| else: |
| main.log.warn( "Skipping " + appName + |
| "application check" ) |
| return main.TRUE |
| else: |
| main.log.error( "Error with REST request, response was: " + |
| str( response ) ) |
| return main.FALSE |
| except ( AttributeError, TypeError ): |
| main.log.exception( self.name + ": Object not as expected" ) |
| return None |
| except Exception: |
| main.log.exception( self.name + ": Uncaught exception!" ) |
| main.cleanup() |
| main.exit() |
| |
| def getApp( self, appName, project="org.onosproject.", ip="DEFAULT", |
| port="DEFAULT" ): |
| """ |
| Decription: |
| Gets the informaion of the given application |
| Required: |
| str name - Name of onos application |
| Returns: |
| Returns a dictionary of information ONOS application in string type; |
| Returns main.FALSE if error on requests; Returns None for exception |
| """ |
| try: |
| output = None |
| if ip == "DEFAULT": |
| main.log.warn( "No ip given, reverting to ip from topo file" ) |
| ip = self.ip_address |
| if port == "DEFAULT": |
| main.log.warn( "No port given, reverting to port " + |
| "from topo file" ) |
| port = self.port |
| query = "/" + project + str( appName ) |
| response = self.send( ip, port, url="/applications" + query ) |
| if response: |
| if 200 <= response[ 0 ] <= 299: |
| output = response[ 1 ] |
| a = json.loads( output ) |
| return a |
| else: |
| main.log.error( "Error with REST request, response was: " + |
| str( response ) ) |
| return main.FALSE |
| except ( AttributeError, TypeError ): |
| main.log.exception( self.name + ": Object not as expected" ) |
| return None |
| except Exception: |
| main.log.exception( self.name + ": Uncaught exception!" ) |
| main.cleanup() |
| main.exit() |
| |
| def addHostIntent( self, hostIdOne, hostIdTwo, appId='org.onosproject.cli', |
| ip="DEFAULT", port="DEFAULT" ): |
| """ |
| Description: |
| Adds a host-to-host intent ( bidirectional ) by |
| specifying the two hosts. |
| Required: |
| * hostIdOne: ONOS host id for host1 |
| * hostIdTwo: ONOS host id for host2 |
| Optional: |
| str appId - Application name of intent identifier |
| Returns: |
| Returns main.TRUE for successful requests; Returns main.FALSE if |
| error on requests; Returns None for exceptions |
| """ |
| try: |
| intentJson = {"two": str( hostIdTwo ), |
| "selector": {"criteria": []}, "priority": 7, |
| "treatment": {"deferred": [], "instructions": []}, |
| "appId": appId, "one": str( hostIdOne ), |
| "type": "HostToHostIntent", |
| "constraints": [{"type": "LinkTypeConstraint", |
| "types": ["OPTICAL"], |
| "inclusive": 'false' }]} |
| output = None |
| if ip == "DEFAULT": |
| main.log.warn( "No ip given, reverting to ip from topo file" ) |
| ip = self.ip_address |
| if port == "DEFAULT": |
| main.log.warn( "No port given, reverting to port " + |
| "from topo file" ) |
| port = self.port |
| response = self.send( ip, |
| port, |
| method="POST", |
| url="/intents", |
| data=json.dumps( intentJson ) ) |
| if response: |
| if 201: |
| main.log.info( self.name + ": Successfully POST host" + |
| " intent between host: " + hostIdOne + |
| " and host: " + hostIdTwo ) |
| return main.TRUE |
| else: |
| main.log.error( "Error with REST request, response was: " + |
| str( response ) ) |
| return main.FALSE |
| |
| except ( AttributeError, TypeError ): |
| main.log.exception( self.name + ": Object not as expected" ) |
| return None |
| except Exception: |
| main.log.exception( self.name + ": Uncaught exception!" ) |
| main.cleanup() |
| main.exit() |
| |
| def addPointIntent( self, |
| ingressDevice, |
| egressDevice, |
| appId='org.onosproject.cli', |
| ingressPort="", |
| egressPort="", |
| ethType="", |
| ethSrc="", |
| ethDst="", |
| bandwidth="", |
| lambdaAlloc=False, |
| ipProto="", |
| ipSrc="", |
| ipDst="", |
| tcpSrc="", |
| tcpDst="", |
| ip="DEFAULT", |
| port="DEFAULT" ): |
| """ |
| Description: |
| Adds a point-to-point intent ( uni-directional ) by |
| specifying device id's and optional fields |
| Required: |
| * ingressDevice: device id of ingress device |
| * egressDevice: device id of egress device |
| Optional: |
| * ethType: specify ethType |
| * ethSrc: specify ethSrc ( i.e. src mac addr ) |
| * ethDst: specify ethDst ( i.e. dst mac addr ) |
| * bandwidth: specify bandwidth capacity of link (TODO) |
| * lambdaAlloc: if True, intent will allocate lambda |
| for the specified intent (TODO) |
| * ipProto: specify ip protocol |
| * ipSrc: specify ip source address with mask eg. ip#/24 |
| * ipDst: specify ip destination address eg. ip#/24 |
| * tcpSrc: specify tcp source port |
| * tcpDst: specify tcp destination port |
| Returns: |
| Returns main.TRUE for successful requests; Returns main.FALSE if |
| no ingress|egress port found and if error on requests; |
| Returns None for exceptions |
| NOTE: |
| The ip and port option are for the requests input's ip and port |
| of the ONOS node |
| """ |
| try: |
| if "/" in ingressDevice: |
| if not ingressPort: |
| ingressPort = ingressDevice.split( "/" )[ 1 ] |
| ingressDevice = ingressDevice.split( "/" )[ 0 ] |
| else: |
| if not ingressPort: |
| main.log.debug( self.name + ": Ingress port not specified" ) |
| return main.FALSE |
| |
| if "/" in egressDevice: |
| if not egressPort: |
| egressPort = egressDevice.split( "/" )[ 1 ] |
| egressDevice = egressDevice.split( "/" )[ 0 ] |
| else: |
| if not egressPort: |
| main.log.debug( self.name + ": Egress port not specified" ) |
| return main.FALSE |
| |
| intentJson ={ "ingressPoint": { "device": ingressDevice, |
| "port": ingressPort }, |
| "selector": { "criteria": [] }, |
| "priority": 55, |
| "treatment": { "deferred": [], |
| "instructions": [] }, |
| "egressPoint": { "device": egressDevice, |
| "port": egressPort }, |
| "appId": appId, |
| "type": "PointToPointIntent", |
| "constraints": [ { "type": "LinkTypeConstraint", |
| "types": [ "OPTICAL" ], |
| "inclusive": "false" } ] } |
| |
| if ethType == "IPV4": |
| intentJson[ 'selector' ][ 'criteria' ].append( { |
| "type":"ETH_TYPE", |
| "ethType":2048 } ) |
| elif ethType: |
| intentJson[ 'selector' ][ 'criteria' ].append( { |
| "type":"ETH_TYPE", |
| "ethType":ethType } ) |
| |
| if ethSrc: |
| intentJson[ 'selector' ][ 'criteria' ].append( |
| { "type":"ETH_SRC", |
| "mac":ethSrc } ) |
| if ethDst: |
| intentJson[ 'selector' ][ 'criteria' ].append( |
| { "type":"ETH_DST", |
| "mac":ethDst } ) |
| if ipSrc: |
| intentJson[ 'selector' ][ 'criteria' ].append( |
| { "type":"IPV4_SRC", |
| "ip":ipSrc } ) |
| if ipDst: |
| intentJson[ 'selector' ][ 'criteria' ].append( |
| { "type":"IPV4_DST", |
| "ip":ipDst } ) |
| if tcpSrc: |
| intentJson[ 'selector' ][ 'criteria' ].append( |
| { "type":"TCP_SRC", |
| "tcpPort": tcpSrc } ) |
| if tcpDst: |
| intentJson[ 'selector' ][ 'criteria' ].append( |
| { "type":"TCP_DST", |
| "tcpPort": tcpDst } ) |
| if ipProto: |
| intentJson[ 'selector' ][ 'criteria' ].append( |
| { "type":"IP_PROTO", |
| "protocol": ipProto } ) |
| |
| # TODO: Bandwidth and Lambda will be implemented if needed |
| |
| main.log.debug( intentJson ) |
| |
| output = None |
| if ip == "DEFAULT": |
| main.log.warn( "No ip given, reverting to ip from topo file" ) |
| ip = self.ip_address |
| if port == "DEFAULT": |
| main.log.warn( "No port given, reverting to port " + |
| "from topo file" ) |
| port = self.port |
| response = self.send( ip, |
| port, |
| method="POST", |
| url="/intents", |
| data=json.dumps( intentJson ) ) |
| if response: |
| if 201: |
| main.log.info( self.name + ": Successfully POST point" + |
| " intent between ingress: " + ingressDevice + |
| " and egress: " + egressDevice + " devices" ) |
| return main.TRUE |
| else: |
| main.log.error( "Error with REST request, response was: " + |
| str( response ) ) |
| return main.FALSE |
| |
| except ( AttributeError, TypeError ): |
| main.log.exception( self.name + ": Object not as expected" ) |
| return None |
| except Exception: |
| main.log.exception( self.name + ": Uncaught exception!" ) |
| main.cleanup() |
| main.exit() |
| |
| def removeIntent( self, intentId, appId='org.onosproject.cli', |
| ip="DEFAULT", port="DEFAULT" ): |
| """ |
| Remove intent for specified application id and intent id; |
| Returns None for exception |
| """ |
| try: |
| output = None |
| if ip == "DEFAULT": |
| main.log.warn( "No ip given, reverting to ip from topo file" ) |
| ip = self.ip_address |
| if port == "DEFAULT": |
| main.log.warn( "No port given, reverting to port " + |
| "from topo file" ) |
| port = self.port |
| # NOTE: REST url requires the intent id to be in decimal form |
| query = "/" + str( appId ) + "/" + str( int( intentId, 16 ) ) |
| response = self.send( ip, |
| port, |
| method="DELETE", |
| url="/intents" + query ) |
| if response: |
| if 200 <= response[ 0 ] <= 299: |
| return main.TRUE |
| else: |
| main.log.error( "Error with REST request, response was: " + |
| str( response ) ) |
| return main.FALSE |
| except ( AttributeError, TypeError ): |
| main.log.exception( self.name + ": Object not as expected" ) |
| return None |
| except Exception: |
| main.log.exception( self.name + ": Uncaught exception!" ) |
| main.cleanup() |
| main.exit() |
| |
| def getIntentsId( self, ip="DEFAULT", port="DEFAULT" ): |
| """ |
| Returns a list of intents id; Returns None for exception |
| """ |
| try: |
| intentIdList = [] |
| intentsJson = json.loads( self.intents() ) |
| for intent in intentsJson: |
| intentIdList.append( intent.get( 'id' ) ) |
| return intentIdList |
| except ( AttributeError, TypeError ): |
| main.log.exception( self.name + ": Object not as expected" ) |
| return None |
| except Exception: |
| main.log.exception( self.name + ": Uncaught exception!" ) |
| main.cleanup() |
| main.exit() |
| |
| def removeAllIntents( self, intentIdList ='ALL',appId='org.onosproject.cli', |
| ip="DEFAULT", port="DEFAULT", delay=5 ): |
| """ |
| Description: |
| Remove all the intents |
| Returns: |
| Returns main.TRUE if all intents are removed, otherwise returns |
| main.FALSE; Returns None for exception |
| """ |
| try: |
| results = [] |
| if intentIdList == 'ALL': |
| intentIdList = self.getIntentsId( ip=ip, port=port ) |
| |
| main.log.info( self.name + ": Removing intents " + |
| str( intentIdList ) ) |
| |
| if isinstance( intentIdList, types.ListType ): |
| for intent in intentIdList: |
| results.append( self.removeIntent( intentId=intent, |
| appId=appId, |
| ip=ip, |
| port=port ) ) |
| # Check for remaining intents |
| # NOTE: Noticing some delay on Deleting the intents so i put |
| # this time out |
| import time |
| time.sleep( delay ) |
| intentRemain = len( json.loads( self.intents() ) ) |
| if all( result==main.TRUE for result in results ) and \ |
| intentRemain == 0: |
| main.log.info( self.name + ": All intents are removed " ) |
| return main.TRUE |
| else: |
| main.log.error( self.name + ": Did not removed all intents," |
| + " there are " + str( intentRemain ) |
| + " intents remaining" ) |
| return main.FALSE |
| else: |
| main.log.debug( self.name + ": There is no intents ID list" ) |
| except ( AttributeError, TypeError ): |
| main.log.exception( self.name + ": Object not as expected" ) |
| return None |
| except Exception: |
| main.log.exception( self.name + ": Uncaught exception!" ) |
| main.cleanup() |
| main.exit() |
| |
| def hosts( self, ip="DEFAULT", port="DEFAULT" ): |
| """ |
| Description: |
| Get a list of dictionary of all discovered hosts |
| Returns: |
| Returns a list of dictionary of information of the hosts currently |
| discovered by ONOS; Returns main.FALSE if error on requests; |
| Returns None for exception |
| """ |
| try: |
| output = None |
| if ip == "DEFAULT": |
| main.log.warn( "No ip given, reverting to ip from topo file" ) |
| ip = self.ip_address |
| if port == "DEFAULT": |
| main.log.warn( "No port given, reverting to port " + |
| "from topo file" ) |
| port = self.port |
| response = self.send( ip, port, url="/hosts" ) |
| if response: |
| if 200 <= response[ 0 ] <= 299: |
| output = response[ 1 ] |
| a = json.loads( output ).get( 'hosts' ) |
| assert a is not None, "Error parsing json object" |
| b = json.dumps( a ) |
| return b |
| else: |
| main.log.error( "Error with REST request, response was: " + |
| str( response ) ) |
| return main.FALSE |
| except ( AttributeError, AssertionError, TypeError ): |
| main.log.exception( self.name + ": Object not as expected" ) |
| return None |
| except Exception: |
| main.log.exception( self.name + ": Uncaught exception!" ) |
| main.cleanup() |
| main.exit() |
| |
| def getHost( self, mac, vlan="-1", ip="DEFAULT", port="DEFAULT" ): |
| """ |
| Description: |
| Gets the information from the given host |
| Required: |
| str mac - MAC address of the host |
| Optional: |
| str vlan - VLAN tag of the host, defaults to -1 |
| Returns: |
| Return the host id from the hosts/mac/vlan output in REST api |
| whose 'id' contains mac/vlan; Returns None for exception; |
| Returns main.FALSE if error on requests |
| |
| NOTE: |
| Not sure what this function should do, any suggestion? |
| """ |
| try: |
| output = None |
| if ip == "DEFAULT": |
| main.log.warn( "No ip given, reverting to ip from topo file" ) |
| ip = self.ip_address |
| if port == "DEFAULT": |
| main.log.warn( "No port given, reverting to port " + |
| "from topo file" ) |
| port = self.port |
| query = "/" + mac + "/" + vlan |
| response = self.send( ip, port, url="/hosts" + query ) |
| if response: |
| # NOTE: What if the person wants other values? would it be better |
| # to have a function that gets a key and return a value instead? |
| # This function requires mac and vlan and returns an ID which |
| # makes this current function useless |
| if 200 <= response[ 0 ] <= 299: |
| output = response[ 1 ] |
| hostId = json.loads( output ).get( 'id' ) |
| return hostId |
| else: |
| main.log.error( "Error with REST request, response was: " + |
| str( response ) ) |
| return main.FALSE |
| except ( AttributeError, TypeError ): |
| main.log.exception( self.name + ": Object not as expected" ) |
| return None |
| except Exception: |
| main.log.exception( self.name + ": Uncaught exception!" ) |
| main.cleanup() |
| main.exit() |
| |
| def topology( self, ip="DEFAULT", port="DEFAULT" ): |
| """ |
| Description: |
| Gets the overview of network topology |
| Returns: |
| Returns a dictionary containing information about network topology; |
| Returns None for exception |
| """ |
| try: |
| output = None |
| if ip == "DEFAULT": |
| main.log.warn( "No ip given, reverting to ip from topo file" ) |
| ip = self.ip_address |
| if port == "DEFAULT": |
| main.log.warn( "No port given, reverting to port " + |
| "from topo file" ) |
| port = self.port |
| response = self.send( ip, port, url="/topology" ) |
| if response: |
| if 200 <= response[ 0 ] <= 299: |
| output = response[ 1 ] |
| a = json.loads( output ) |
| b = json.dumps( a ) |
| return b |
| else: |
| main.log.error( "Error with REST request, response was: " + |
| str( response ) ) |
| return main.FALSE |
| except ( AttributeError, TypeError ): |
| main.log.exception( self.name + ": Object not as expected" ) |
| return None |
| except Exception: |
| main.log.exception( self.name + ": Uncaught exception!" ) |
| main.cleanup() |
| main.exit() |
| |
| def devices( self, ip="DEFAULT", port="DEFAULT" ): |
| """ |
| Description: |
| Get the devices discovered by ONOS is json string format |
| Returns: |
| a json string of the devices currently discovered by ONOS OR |
| main.FALSE if there is an error in the request OR |
| Returns None for exception |
| """ |
| try: |
| output = None |
| if ip == "DEFAULT": |
| main.log.warn( "No ip given, reverting to ip from topo file" ) |
| ip = self.ip_address |
| if port == "DEFAULT": |
| main.log.warn( "No port given, reverting to port " + |
| "from topo file" ) |
| port = self.port |
| response = self.send( ip, port, url="/devices" ) |
| if response: |
| if 200 <= response[ 0 ] <= 299: |
| output = response[ 1 ] |
| a = json.loads( output ).get( 'devices' ) |
| assert a is not None, "Error parsing json object" |
| b = json.dumps( a ) |
| return b |
| else: |
| main.log.error( "Error with REST request, response was: " + |
| str( response ) ) |
| return main.FALSE |
| except ( AttributeError, AssertionError, TypeError ): |
| main.log.exception( self.name + ": Object not as expected" ) |
| return None |
| except Exception: |
| main.log.exception( self.name + ": Uncaught exception!" ) |
| main.cleanup() |
| main.exit() |
| |
| def getIntentState( self, intentsId, intentsJson=None, |
| ip="DEFAULT", port="DEFAULT" ): |
| """ |
| Description: |
| Get intent state. |
| Accepts a single intent ID (string type) or a list of intent IDs. |
| Returns the state(string type) of the id if a single intent ID is |
| accepted. |
| Required: |
| intentId: intent ID (string type) |
| intentsJson: parsed json object from the onos:intents api |
| Returns: |
| Returns a dictionary with intent IDs as the key and its |
| corresponding states as the values; Returns None for invalid IDs or |
| Type error and any exceptions |
| NOTE: |
| An intent's state consist of INSTALLED,WITHDRAWN etc. |
| """ |
| try: |
| state = "State is Undefined" |
| if not intentsJson: |
| intentsJsonTemp = json.loads( self.intents() ) |
| else: |
| intentsJsonTemp = json.loads( intentsJson ) |
| if isinstance( intentsId, types.StringType ): |
| for intent in intentsJsonTemp: |
| if intentsId == intent[ 'id' ]: |
| state = intent[ 'state' ] |
| return state |
| main.log.info( "Cannot find intent ID" + str( intentsId ) + |
| " on the list" ) |
| return state |
| elif isinstance( intentsId, types.ListType ): |
| dictList = [] |
| for i in xrange( len( intentsId ) ): |
| stateDict = {} |
| for intents in intentsJsonTemp: |
| if intentsId[ i ] == intents[ 'id' ]: |
| stateDict[ 'state' ] = intents[ 'state' ] |
| stateDict[ 'id' ] = intentsId[ i ] |
| dictList.append( stateDict ) |
| break |
| if len( intentsId ) != len( dictList ): |
| main.log.info( "Cannot find some of the intent ID state" ) |
| return dictList |
| else: |
| main.log.info( "Invalid intents ID entry" ) |
| return None |
| |
| except ( AttributeError, TypeError ): |
| main.log.exception( self.name + ": Object not as expected" ) |
| return None |
| except Exception: |
| main.log.exception( self.name + ": Uncaught exception!" ) |
| main.cleanup() |
| main.exit() |
| |
| def checkIntentState( self, intentsId="ALL", expectedState='INSTALLED', |
| ip="DEFAULT", port="DEFAULT"): |
| """ |
| Description: |
| Check intents state based on expected state which defaults to |
| INSTALLED state |
| Required: |
| intentsId - List of intents ID to be checked |
| Optional: |
| expectedState - Check the expected state(s) of each intents |
| state in the list. |
| *NOTE: You can pass in a list of expected state, |
| Eg: expectedState = [ 'INSTALLED' , 'INSTALLING' ] |
| Return: |
| Returns main.TRUE only if all intent are the same as expected states |
| , otherwise, returns main.FALSE; Returns None for general exception |
| """ |
| try: |
| # Generating a dictionary: intent id as a key and state as value |
| returnValue = main.TRUE |
| if intentsId == "ALL": |
| intentsId = self.getIntentsId( ip=ip, port=port ) |
| intentsDict = self.getIntentState( intentsId, ip=ip, port=port ) |
| |
| #print "len of intentsDict ", str( len( intentsDict ) ) |
| if len( intentsId ) != len( intentsDict ): |
| main.log.error( self.name + ": There is something wrong " + |
| "getting intents state" ) |
| return main.FALSE |
| |
| if isinstance( expectedState, types.StringType ): |
| for intents in intentsDict: |
| if intents.get( 'state' ) != expectedState: |
| main.log.debug( self.name + " : Intent ID - " + |
| intents.get( 'id' ) + |
| " actual state = " + |
| intents.get( 'state' ) |
| + " does not equal expected state = " |
| + expectedState ) |
| returnValue = main.FALSE |
| |
| elif isinstance( expectedState, types.ListType ): |
| for intents in intentsDict: |
| if not any( state == intents.get( 'state' ) for state in |
| expectedState ): |
| main.log.debug( self.name + " : Intent ID - " + |
| intents.get( 'id' ) + |
| " actual state = " + |
| intents.get( 'state' ) + |
| " does not equal expected states = " |
| + str( expectedState ) ) |
| returnValue = main.FALSE |
| |
| if returnValue == main.TRUE: |
| main.log.info( self.name + ": All " + |
| str( len( intentsDict ) ) + |
| " intents are in " + str( expectedState ) + |
| " state" ) |
| return returnValue |
| except ( AttributeError, TypeError ): |
| main.log.exception( self.name + ": Object not as expected" ) |
| return None |
| except Exception: |
| main.log.exception( self.name + ": Uncaught exception!" ) |
| main.cleanup() |
| main.exit() |
| |
| def flows( self, ip="DEFAULT", port="DEFAULT" ): |
| """ |
| Description: |
| Get flows currently added to the system |
| NOTE: |
| The flows -j cli command has completely different format than |
| the REST output |
| |
| Returns None for exception |
| """ |
| try: |
| output = None |
| if ip == "DEFAULT": |
| main.log.warn( "No ip given, reverting to ip from topo file" ) |
| ip = self.ip_address |
| if port == "DEFAULT": |
| main.log.warn( "No port given, reverting to port " + |
| "from topo file" ) |
| port = self.port |
| response = self.send( ip, port, url="/flows" ) |
| if response: |
| if 200 <= response[ 0 ] <= 299: |
| output = response[ 1 ] |
| a = json.loads( output ).get( 'flows' ) |
| assert a is not None, "Error parsing json object" |
| b = json.dumps( a ) |
| return b |
| else: |
| main.log.error( "Error with REST request, response was: " + |
| str( response ) ) |
| return main.FALSE |
| except ( AttributeError, AssertionError, TypeError ): |
| main.log.exception( self.name + ": Object not as expected" ) |
| return None |
| except Exception: |
| main.log.exception( self.name + ": Uncaught exception!" ) |
| main.cleanup() |
| main.exit() |
| |
| def getFlows( self, deviceId, flowId=None, ip="DEFAULT", port="DEFAULT" ): |
| """ |
| Description: |
| Gets all the flows of the device or get a specific flow in the |
| device by giving its flow ID |
| Required: |
| str deviceId - device/switch Id |
| Optional: |
| int/hex flowId - ID of the flow |
| """ |
| try: |
| output = None |
| if ip == "DEFAULT": |
| main.log.warn( "No ip given, reverting to ip from topo file" ) |
| ip = self.ip_address |
| if port == "DEFAULT": |
| main.log.warn( "No port given, reverting to port " + |
| "from topo file" ) |
| port = self.port |
| url = "/flows/" + deviceId |
| if flowId: |
| url += "/" + str( int( flowId ) ) |
| print url |
| response = self.send( ip, port, url=url ) |
| if response: |
| if 200 <= response[ 0 ] <= 299: |
| output = response[ 1 ] |
| a = json.loads( output ).get( 'flows' ) |
| assert a is not None, "Error parsing json object" |
| b = json.dumps( a ) |
| return b |
| else: |
| main.log.error( "Error with REST request, response was: " + |
| str( response ) ) |
| return main.FALSE |
| except ( AttributeError, AssertionError, TypeError ): |
| main.log.exception( self.name + ": Object not as expected" ) |
| return None |
| except Exception: |
| main.log.exception( self.name + ": Uncaught exception!" ) |
| main.cleanup() |
| main.exit() |
| |
| def sendFlow( self, deviceId, flowJson, ip="DEFAULT", port="DEFAULT", debug=False ): |
| """ |
| Description: |
| Sends a single flow to the specified device. This function exists |
| so you can bypass the addFLow driver and send your own custom flow. |
| Required: |
| * The flow in json |
| * the device id to add the flow to |
| Returns: |
| Returns main.TRUE for successful requests; Returns main.FALSE |
| if error on requests; |
| Returns None for exceptions |
| NOTE: |
| The ip and port option are for the requests input's ip and port |
| of the ONOS node |
| """ |
| |
| try: |
| if debug: main.log.debug( "Adding flow: " + self.pprint( flowJson ) ) |
| output = None |
| if ip == "DEFAULT": |
| main.log.warn( "No ip given, reverting to ip from topo file" ) |
| ip = self.ip_address |
| if port == "DEFAULT": |
| main.log.warn( "No port given, reverting to port " + |
| "from topo file" ) |
| port = self.port |
| url = "/flows/" + deviceId |
| response = self.send( ip, |
| port, |
| method="POST", |
| url=url, |
| data=json.dumps( flowJson ) ) |
| if response: |
| if 201: |
| main.log.info( self.name + ": Successfully POST flow" + |
| "in device: " + str( deviceId ) ) |
| return main.TRUE |
| else: |
| main.log.error( "Error with REST request, response was: " + |
| str( response ) ) |
| return main.FALSE |
| except NotImplementedError as e: |
| raise e # Inform the caller |
| except ( AttributeError, TypeError ): |
| main.log.exception( self.name + ": Object not as expected" ) |
| return None |
| except Exception: |
| main.log.exception( self.name + ": Uncaught exception!" ) |
| main.cleanup() |
| main.exit() |
| |
| def addFlow( self, |
| deviceId, |
| appId=0, |
| ingressPort="", |
| egressPort="", |
| ethType="", |
| ethSrc="", |
| ethDst="", |
| vlan="", |
| ipProto="", |
| ipSrc=(), |
| ipDst=(), |
| tcpSrc="", |
| tcpDst="", |
| ip="DEFAULT", |
| port="DEFAULT", |
| debug=False ): |
| """ |
| Description: |
| Creates a single flow in the specified device |
| Required: |
| * deviceId: id of the device |
| Optional: |
| * ingressPort: port ingress device |
| * egressPort: port of egress device |
| * ethType: specify ethType |
| * ethSrc: specify ethSrc ( i.e. src mac addr ) |
| * ethDst: specify ethDst ( i.e. dst mac addr ) |
| * ipProto: specify ip protocol |
| * ipSrc: specify ip source address with mask eg. ip#/24 |
| as a tuple (type, ip#) |
| * ipDst: specify ip destination address eg. ip#/24 |
| as a tuple (type, ip#) |
| * tcpSrc: specify tcp source port |
| * tcpDst: specify tcp destination port |
| Returns: |
| Returns main.TRUE for successful requests; Returns main.FALSE |
| if error on requests; |
| Returns None for exceptions |
| NOTE: |
| The ip and port option are for the requests input's ip and port |
| of the ONOS node |
| """ |
| try: |
| flowJson = { "priority":100, |
| "isPermanent":"true", |
| "timeout":0, |
| "deviceId":deviceId, |
| "treatment":{"instructions":[]}, |
| "selector": {"criteria":[]}} |
| if appId: |
| flowJson[ "appId" ] = appId |
| if egressPort: |
| flowJson[ 'treatment' ][ 'instructions' ].append( { |
| "type":"OUTPUT", |
| "port":egressPort } ) |
| if ingressPort: |
| flowJson[ 'selector' ][ 'criteria' ].append( { |
| "type":"IN_PORT", |
| "port":ingressPort } ) |
| if ethType: |
| flowJson[ 'selector' ][ 'criteria' ].append( { |
| "type":"ETH_TYPE", |
| "ethType":ethType } ) |
| if ethSrc: |
| flowJson[ 'selector' ][ 'criteria' ].append( { |
| "type":"ETH_SRC", |
| "mac":ethSrc } ) |
| if ethDst: |
| flowJson[ 'selector' ][ 'criteria' ].append( { |
| "type":"ETH_DST", |
| "mac":ethDst } ) |
| if vlan: |
| flowJson[ 'selector' ][ 'criteria' ].append( { |
| "type":"VLAN_VID", |
| "vlanId":vlan } ) |
| if ipSrc: |
| flowJson[ 'selector' ][ 'criteria' ].append( { |
| "type":ipSrc[0], |
| "ip":ipSrc[1] } ) |
| if ipDst: |
| flowJson[ 'selector' ][ 'criteria' ].append( { |
| "type":ipDst[0], |
| "ip":ipDst[1] } ) |
| if tcpSrc: |
| flowJson[ 'selector' ][ 'criteria' ].append( { |
| "type":"TCP_SRC", |
| "tcpPort": tcpSrc } ) |
| if tcpDst: |
| flowJson[ 'selector' ][ 'criteria' ].append( { |
| "type":"TCP_DST", |
| "tcpPort": tcpDst } ) |
| if ipProto: |
| flowJson[ 'selector' ][ 'criteria' ].append( { |
| "type":"IP_PROTO", |
| "protocol": ipProto } ) |
| |
| return self.sendFlow( deviceId=deviceId, flowJson=flowJson, debug=debug ) |
| |
| except ( AttributeError, TypeError ): |
| main.log.exception( self.name + ": Object not as expected" ) |
| return None |
| except Exception: |
| main.log.exception( self.name + ": Uncaught exception!" ) |
| main.cleanup() |
| main.exit() |
| |
| def removeFlow( self, deviceId, flowId, |
| ip="DEFAULT", port="DEFAULT" ): |
| """ |
| Description: |
| Remove specific device flow |
| Required: |
| str deviceId - id of the device |
| str flowId - id of the flow |
| Return: |
| Returns main.TRUE if successfully deletes flows, otherwise |
| Returns main.FALSE, Returns None on error |
| """ |
| try: |
| output = None |
| if ip == "DEFAULT": |
| main.log.warn( "No ip given, reverting to ip from topo file" ) |
| ip = self.ip_address |
| if port == "DEFAULT": |
| main.log.warn( "No port given, reverting to port " + |
| "from topo file" ) |
| port = self.port |
| # NOTE: REST url requires the intent id to be in decimal form |
| query = "/" + str( deviceId ) + "/" + str( int( flowId ) ) |
| response = self.send( ip, |
| port, |
| method="DELETE", |
| url="/flows" + query ) |
| if response: |
| if 200 <= response[ 0 ] <= 299: |
| return main.TRUE |
| else: |
| main.log.error( "Error with REST request, response was: " + |
| str( response ) ) |
| return main.FALSE |
| except ( AttributeError, TypeError ): |
| main.log.exception( self.name + ": Object not as expected" ) |
| return None |
| except Exception: |
| main.log.exception( self.name + ": Uncaught exception!" ) |
| main.cleanup() |
| main.exit() |
| |
| def checkFlowsState( self , ip="DEFAULT", port="DEFAULT" ): |
| """ |
| Description: |
| Check if all the current flows are in ADDED state |
| Return: |
| returnValue - Returns main.TRUE only if all flows are in |
| return main.FALSE otherwise; |
| Returns None for exception |
| """ |
| try: |
| tempFlows = json.loads( self.flows( ip=ip, port=port ) ) |
| returnValue = main.TRUE |
| for flow in tempFlows: |
| if flow.get( 'state' ) != 'ADDED': |
| main.log.info( self.name + ": flow Id: " + |
| str( flow.get( 'groupId' ) ) + |
| " | state:" + |
| str( flow.get( 'state' ) ) ) |
| returnValue = main.FALSE |
| return returnValue |
| except ( AttributeError, TypeError ): |
| main.log.exception( self.name + ": Object not as expected" ) |
| return None |
| except Exception: |
| main.log.exception( self.name + ": Uncaught exception!" ) |
| main.cleanup() |
| main.exit() |