class TestPluginManagerBase(unittest.TestCase):
    """
    Commen functionalities used my many test cases
    """
    pm_proc = None

    @classmethod
    def setUpClass(cls):
        # start the plugin manger in another process so that we can connect to it using its broker interface
        cls.pm_proc = Process(target=SonPluginManager)
        cls.pm_proc.daemon = True
        cls.pm_proc.start()
        time.sleep(1)  # give the plugin manager some time to start

    @classmethod
    def tearDownClass(cls):
        if cls.pm_proc is not None:
            cls.pm_proc.terminate()
            del cls.pm_proc

    def setUp(self):
        # initialize messaging subsystem
        self.m = ManoBrokerRequestResponseConnection("pm-client" + self.id())
        self.wait_for_reply = threading.Event()
        self.plugin_uuid = None

    def tearDown(self):
        self.m.stop_connection()
        self.m.stop_threads()
        del self.m

    def waitForMessage(self, timeout=5):
        self.wait_for_reply.clear()
        if not self.wait_for_reply.wait(timeout):
            raise Exception("Timeout in wait for reply message.")

    def messageReceived(self):
        self.wait_for_reply.set()

    def register(self):
        """
        Helper: We need this in many tests.
        :return:
        """
        def on_register_reply(ch, method, properties, message):
            msg = json.loads(str(message))
            assert(msg.get("status") == "OK")
            assert(len(msg.get("uuid")) > 0)
            assert(msg.get("error") is None)
            # set internal state variables
            self.plugin_uuid = msg.get("uuid")
            # stop waiting
            self.messageReceived()

        # create register request message
        msg = dict(name="test-plugin",
                   version="v0.01",
                   description="description")

        # do the registration call
        self.m.call_async(on_register_reply,
                          "platform.management.plugin.register",
                          json.dumps(msg))

        # make our test synchronous: wait
        self.waitForMessage()

    def deregister(self):
        """
        Helper: We need this in many tests.
        :return:
        """
        assert(self.plugin_uuid is not None)

        def on_deregister_reply(ch, method, properties, message):
            msg = json.loads(str(message))
            assert(msg.get("status") == "OK")
            # stop waiting
            self.messageReceived()

        # create register request message
        msg = dict(uuid=self.plugin_uuid)

        # do the registration call
        self.m.call_async(on_deregister_reply,
                          "platform.management.plugin.deregister",
                          json.dumps(msg))

        # make our test synchronous: wait
        self.waitForMessage()
Esempio n. 2
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class testSlmRegistrationAndHeartbeat(unittest.TestCase):
    """
    Tests the registration process of the SLM to the broker
    and the plugin manager, and the heartbeat process.
    """
    def setUp(self):
        #a new SLM in another process for each test
        self.slm_proc = Process(target=ServiceLifecycleManager)
        self.slm_proc.daemon = True
        #make a new connection with the broker before each test
        self.manoconn = ManoBrokerRequestResponseConnection(
            'son-plugin.SonPluginManager')

        #Some threading events that can be used during the tests
        self.wait_for_event = threading.Event()
        self.wait_for_event.clear()

        #The uuid that can be assigned to the plugin
        self.uuid = '1'

    def tearDown(self):
        #Killing the slm
        if self.slm_proc is not None:
            self.slm_proc.terminate()
        del self.slm_proc

        #Killing the connection with the broker
        self.manoconn.stop_connection()
        self.manoconn.stop_threads()
        del self.manoconn

        #Clearing the threading helpers
        del self.wait_for_event

    #Method that terminates the timer that waits for an event
    def eventFinished(self):
        self.wait_for_event.set()

    #Method that starts a timer, waiting for an event
    def waitForEvent(self, timeout=5, msg="Event timed out."):
        if not self.wait_for_event.wait(timeout):
            self.assertEqual(True, False, msg=msg)

    def testSlmHeartbeat(self):
        """
        TEST: This test verifies whether the SLM sends out a heartbeat
        as intended, once it is registered and whether this heartbeat
        message is correctly formatted.
        """
        def on_registration_trigger(ch, method, properties, message):
            """
            When the registration request from the plugin is received,
            this method replies as if it were the plugin manager
            """
            self.eventFinished()
            return json.dumps({'status': 'OK', 'uuid': self.uuid})

        def on_heartbeat_receive(ch, method, properties, message):
            """
            When the heartbeat message is received, this
            method checks if it is formatted correctly
            """
            msg = json.loads(str(message))
            #CHECK: The message should be a dictionary.
            self.assertTrue(isinstance(msg, dict),
                            msg="Message is not a dictionary.")
            #CHECK: The dictionary should have a key 'uuid'.
            self.assertTrue("uuid" in msg.keys(), msg="uuid is not a key.")
            #CHECK: The value of 'uuid' should be a string.
            self.assertTrue(isinstance(msg["uuid"], str),
                            msg="uuid is not a string.")
            #CHECK: The uuid in the message should be the same as the assigned uuid.
            self.assertEqual(self.uuid, msg["uuid"], msg="uuid not correct.")
            #CHECK: The dictionary should have a key 'state'.
            self.assertTrue("state" in msg.keys(), msg="state is not a key.")
            #CHECK: The value of 'state' should be a 'READY', 'RUNNING', 'PAUSED' or 'FAILED'.
            self.assertTrue(msg["state"]
                            in ["READY", "RUNNING", "PAUSED", "FAILED"],
                            msg="Not a valid state.")

            #Stop the wait
            self.eventFinished()

        #STEP1: subscribe to the correct topics
        self.manoconn.register_async_endpoint(
            on_registration_trigger, 'platform.management.plugin.register')
        self.manoconn.subscribe(
            on_heartbeat_receive,
            'platform.management.plugin.' + self.uuid + '.heartbeat')

        #STEP2: Start the SLM
        self.slm_proc.start()

        #STEP3: Wait until the registration request has been answered
        self.waitForEvent(msg="No registration request received")

        self.wait_for_event.clear()

        #STEP4: Wait until the heartbeat message is received.

    def testSlmRegistration(self):
        """
        TEST: This test verifies whether the SLM is sending out a message,
        and whether it contains all the needed info on the
        platform.management.plugin.register topic to register to the plugin
        manager.
        """

        #STEP3a: When receiving the message, we need to check whether all fields present. TODO: check properties
        def on_register_receive(ch, method, properties, message):

            msg = json.loads(str(message))
            #CHECK: The message should be a dictionary.
            self.assertTrue(isinstance(msg, dict),
                            msg='message is not a dictionary')
            #CHECK: The dictionary should have a key 'name'.
            self.assertIn('name',
                          msg.keys(),
                          msg='No name provided in message.')
            if isinstance(msg['name'], str):
                #CHECK: The value of 'name' should not be an empty string.
                self.assertTrue(len(msg['name']) > 0,
                                msg='empty name provided.')
            else:
                #CHECK: The value of 'name' should be a string
                self.assertEqual(True, False, msg='name is not a string')
            #CHECK: The dictionary should have a key 'version'.
            self.assertIn('version',
                          msg.keys(),
                          msg='No version provided in message.')
            if isinstance(msg['version'], str):
                #CHECK: The value of 'version' should not be an empty string.
                self.assertTrue(len(msg['version']) > 0,
                                msg='empty version provided.')
            else:
                #CHECK: The value of 'version' should be a string
                self.assertEqual(True, False, msg='version is not a string')
            #CHECK: The dictionary should have a key 'description'
            self.assertIn('description',
                          msg.keys(),
                          msg='No description provided in message.')
            if isinstance(msg['description'], str):
                #CHECK: The value of 'description' should not be an empty string.
                self.assertTrue(len(msg['description']) > 0,
                                msg='empty description provided.')
            else:
                #CHECK: The value of 'description' should be a string
                self.assertEqual(True,
                                 False,
                                 msg='description is not a string')

            # stop waiting
            self.eventFinished()

        #STEP1: Listen to the platform.management.plugin.register topic
        self.manoconn.subscribe(on_register_receive,
                                'platform.management.plugin.register')

        #STEP2: Start the SLM
        self.slm_proc.start()

        #STEP3b: When not receiving the message, the test failed
        self.waitForEvent(timeout=5, msg="message not received.")
Esempio n. 3
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class testSlmFunctionality(unittest.TestCase):
    """
    Tests the tasks that the SLM should perform in the service
    life cycle of the network services.
    """

    slm_proc = None
    uuid = '1'
    corr_id = '1ba347d6-6210-4de7-9ca3-a383e50d0330'

    ########################
    #SETUP
    ########################
    def setUp(self):
        def on_register_trigger(ch, method, properties, message):
            return json.dumps({'status': 'OK', 'uuid': self.uuid})

        #vnfcounter for when needed
        self.vnfcounter = 0

        #Generate a new corr_id for every test
        self.corr_id = str(uuid.uuid4())

        #a new SLM in another process for each test
        self.slm_proc = ServiceLifecycleManager(auto_register=False,
                                                start_running=False)

        #We make a spy connection to listen to the different topics on the broker
        self.manoconn_spy = ManoBrokerRequestResponseConnection(
            'son-plugin.SonSpy')
        #we need a connection to simulate messages from the gatekeeper
        self.manoconn_gk = ManoBrokerRequestResponseConnection(
            'son-plugin.SonGateKeeper')
        #we need a connection to simulate messages from the infrastructure adaptor
        self.manoconn_ia = ManoBrokerRequestResponseConnection(
            'son-plugin.SonInfrastructureAdapter')

        #Some threading events that can be used during the tests
        self.wait_for_first_event = threading.Event()
        self.wait_for_first_event.clear()

        #The uuid that can be assigned to the plugin
        self.uuid = '1'

    def tearDown(self):
        #Killing the slm
        self.slm_proc.manoconn.stop_connection()
        self.slm_proc.manoconn.stop_threads()

        try:
            del self.slm_proc
        except:
            pass

        #Killing the connection with the broker
        self.manoconn_spy.stop_connection()
        self.manoconn_gk.stop_connection()
        self.manoconn_ia.stop_connection()

        self.manoconn_spy.stop_threads()
        self.manoconn_gk.stop_threads()
        self.manoconn_ia.stop_threads()

        del self.manoconn_spy
        del self.manoconn_gk
        del self.manoconn_ia

        del self.wait_for_first_event

########################
#GENERAL
########################

    def createGkNewServiceRequestMessage(self, correctlyFormatted=True):
        """
        This method helps creating messages for the service request packets.
        If it needs to be wrongly formatted, the nsd part of the request is
        removed.
        """

        path_descriptors = '/plugins/son-mano-service-lifecycle-management/test/test_descriptors/'

        nsd_descriptor = open(path_descriptors + 'sonata-demo.yml', 'r')
        vnfd1_descriptor = open(path_descriptors + 'firewall-vnfd.yml', 'r')
        vnfd2_descriptor = open(path_descriptors + 'iperf-vnfd.yml', 'r')
        vnfd3_descriptor = open(path_descriptors + 'tcpdump-vnfd.yml', 'r')

        #import the nsd and vnfds that form the service
        if correctlyFormatted:
            service_request = {
                'NSD': yaml.load(nsd_descriptor),
                'VNFD1': yaml.load(vnfd1_descriptor),
                'VNFD2': yaml.load(vnfd2_descriptor),
                'VNFD3': yaml.load(vnfd3_descriptor)
            }
        else:
            service_request = {
                'VNFD1': yaml.load(vnfd1_descriptor),
                'VNFD2': yaml.load(vnfd2_descriptor),
                'VNFD3': yaml.load(vnfd3_descriptor)
            }

        return yaml.dump(service_request)

    #Method that terminates the timer that waits for an event
    def firstEventFinished(self):
        self.wait_for_first_event.set()

    #Method that starts a timer, waiting for an event
    def waitForFirstEvent(self, timeout=5, msg="Event timed out."):
        if not self.wait_for_first_event.wait(timeout):
            self.assertEqual(True, False, msg=msg)

    def dummy(self, ch, method, properties, message):
        """
        Sometimes, we need a cbf for a async_call, without actually using it.
        """

        return

#############################################################
#TEST1: test validate_deploy_request
#############################################################

    def test_validate_deploy_request(self):
        """
        The method validate_deploy_request is used to check whether the
        received message that requests the deployment of a new service is
        correctly formatted.
        """

        #Setup
        service_dict = {}
        service_id = str(uuid.uuid4())
        corr_id = str(uuid.uuid4())
        service_dict[service_id] = {'original_corr_id': corr_id}

        #SUBTEST1: Check a correctly formatted message
        message = self.createGkNewServiceRequestMessage()
        service_dict[service_id]['payload'] = yaml.load(message)

        self.slm_proc.set_services(service_dict)
        self.slm_proc.validate_deploy_request(service_id)
        result = self.slm_proc.get_services()

        self.assertEqual(
            {
                'status': result[service_id]['status'],
                'error': result[service_id]['error']
            }, {
                'status': 'INSTANTIATING',
                'error': None
            },
            msg="outcome and expected result not equal SUBTEST1.")

        #SUBTEST2: Check a message that is not a dictionary
        message = "test message"
        service_dict[service_id]['payload'] = message

        self.slm_proc.set_services(service_dict)
        self.slm_proc.validate_deploy_request(service_id)
        result = self.slm_proc.get_services()

        expected_message = "Request " + corr_id + ": payload is not a dict."
        expected_response = {'status': 'ERROR', 'error': expected_message}

        self.assertEqual(
            {
                'status': result[service_id]['status'],
                'error': result[service_id]['error']
            },
            expected_response,
            msg="outcome and expected result not equal SUBTEST2.")

        #SUBTEST3: Check a message that contains no NSD
        message = self.createGkNewServiceRequestMessage()
        loaded_message = yaml.load(message)
        del loaded_message['NSD']
        service_dict[service_id]['payload'] = loaded_message

        self.slm_proc.set_services(service_dict)
        self.slm_proc.validate_deploy_request(service_id)
        result = self.slm_proc.get_services()

        expected_message = "Request " + corr_id + ": NSD is not a dict."
        expected_response = {'status': 'ERROR', 'error': expected_message}

        self.assertEqual(
            {
                'status': result[service_id]['status'],
                'error': result[service_id]['error']
            },
            expected_response,
            msg="outcome and expected result not equal SUBTEST3.")

        #SUBTEST4: The number of VNFDs must be the same as listed in the NSD
        message = self.createGkNewServiceRequestMessage()
        loaded_message = yaml.load(message)
        loaded_message['NSD']['network_functions'].append({})
        service_dict[service_id]['payload'] = loaded_message

        self.slm_proc.set_services(service_dict)
        self.slm_proc.validate_deploy_request(service_id)
        result = self.slm_proc.get_services()

        expected_message = "Request " + corr_id + ": # of VNFDs doesn't match NSD."
        expected_response = {'status': 'ERROR', 'error': expected_message}

        self.assertEqual(
            {
                'status': result[service_id]['status'],
                'error': result[service_id]['error']
            },
            expected_response,
            msg="outcome and expected result not equal SUBTEST4.")

        #SUBTEST5: VNFDs can not be empty
        message = self.createGkNewServiceRequestMessage()
        loaded_message = yaml.load(message)
        loaded_message['VNFD1'] = None
        service_dict[service_id]['payload'] = loaded_message

        self.slm_proc.set_services(service_dict)
        self.slm_proc.validate_deploy_request(service_id)
        result = self.slm_proc.get_services()

        expected_message = "Request " + corr_id + ": empty VNFD."
        expected_response = {'status': 'ERROR', 'error': expected_message}

        self.assertEqual(
            {
                'status': result[service_id]['status'],
                'error': result[service_id]['error']
            },
            expected_response,
            msg="outcome and expected result not equal SUBTEST5.")

###########################################################
#TEST2: Test start_next_task
###########################################################

    def test_start_next_task(self):
        """
        This method tests the start_next_task method
        """

        #Setup
        service_dict = {}
        service_id = str(uuid.uuid4())
        corr_id = str(uuid.uuid4())
        orig_corr_id = str(uuid.uuid4())
        service_dict[service_id] = {
            'corr_id': corr_id,
            'original_corr_id': orig_corr_id,
            'pause_chain': True,
            'kill_chain': False
        }

        #SUBTEST1: Check if next task is correctly called
        message = self.createGkNewServiceRequestMessage()

        #Add a task to the list
        task_list = ['validate_deploy_request']

        #Create the ledger
        service_dict[service_id]['schedule'] = task_list
        service_dict[service_id]['payload'] = yaml.load(message)

        #Run the method
        self.slm_proc.set_services(service_dict)
        self.slm_proc.start_next_task(service_id)

        #wait for the task to finish
        time.sleep(0.1)
        result = self.slm_proc.get_services()

        #Check result
        generated_response = {
            'status': result[service_id]['status'],
            'error': result[service_id]['error']
        }
        expected_response = {'status': 'INSTANTIATING', 'error': None}

        self.assertEqual(generated_response,
                         expected_response,
                         msg="outcome and expected result not equal SUBTEST1.")

        #Setup
        service_dict = {}
        service_id = str(uuid.uuid4())
        corr_id = str(uuid.uuid4())
        orig_corr_id = str(uuid.uuid4())
        service_dict[service_id] = {
            'corr_id': corr_id,
            'original_corr_id': orig_corr_id,
            'pause_chain': False,
            'kill_chain': False
        }

        #SUBTEST2: Check behavior if there is no next task
        message = self.createGkNewServiceRequestMessage()

        #Add a task to the list
        task_list = []

        #Create the ledger
        service_dict[service_id]['schedule'] = task_list
        service_dict[service_id]['payload'] = yaml.load(message)

        #Run the method
        self.slm_proc.set_services(service_dict)
        self.slm_proc.start_next_task(service_id)

        #wait for the task to finish
        time.sleep(0.1)
        result = self.slm_proc.get_services()

        #Check result: if successful, service_id will not be a key in result

        self.assertFalse(service_id in result.keys(),
                         msg="key is part of ledger in SUBTEST2.")

# ###############################################################
# #TEST3: Test service_instance_create
# ###############################################################
#     def test_service_instance_create(self):
#         """
#         This method tests the service_instance_create method of the SLM
#         """

#         #Setup
#         message = self.createGkNewServiceRequestMessage()
#         corr_id = str(uuid.uuid4())
#         topic = "service.instances.create"
#         prop_dict = {'reply_to': topic,
#                      'correlation_id': corr_id,
#                      'app_id': "Gatekeeper"}

#         properties = namedtuple('properties', prop_dict.keys())(*prop_dict.values())

#         schedule = self.slm_proc.service_instance_create('foo',
#                                                          'bar',
#                                                          properties,
#                                                          message)

#         #Check result: since we don't know how many of the tasks
#         #were completed by the time we got the result, we only check
#         #the final elements in the tasklist

#         #The last 7 elements from the generated result
#         generated_result = schedule[-7:]

#         #The expected last 7 elements in the list
#         expected_result = ['SLM_mapping', 'ia_prepare', 'vnf_deploy',
#                            'vnf_chain', 'wan_configure',
#                            'instruct_monitoring', 'inform_gk']

#         self.assertEqual(generated_result,
#                          expected_result,
#                          msg='lists are not equal')

###############################################################
#TEST4: Test resp_topo
###############################################################

    def test_resp_topo(self):
        """
        This method tests the resp_topo method.
        """

        #Setup
        #Create topology message
        first = {
            'vim_uuid': str(uuid.uuid4()),
            'memory_used': 5,
            'memory_total': 12,
            'core_used': 4,
            'core_total': 6
        }
        second = {
            'vim_uuid': str(uuid.uuid4()),
            'memory_used': 3,
            'memory_total': 5,
            'core_used': 4,
            'core_total': 5
        }
        third = {
            'vim_uuid': str(uuid.uuid4()),
            'memory_used': 6,
            'memory_total': 7,
            'core_used': 2,
            'core_total': 12
        }
        topology_message = [first, second, third]
        payload = yaml.dump(topology_message)

        #Create ledger
        service_dict = {}
        service_id = str(uuid.uuid4())
        corr_id = str(uuid.uuid4())
        service_dict[service_id] = {
            'act_corr_id': corr_id,
            'infrastructure': {
                'topology': None
            },
            'schedule': ['get_ledger'],
            'original_corr_id': corr_id,
            'pause_chain': True,
            'kill_chain': False
        }

        self.slm_proc.set_services(service_dict)

        #Create properties
        topic = "infrastructure.management.compute.list"
        prop_dict = {
            'reply_to': topic,
            'correlation_id': corr_id,
            'app_id': 'InfrastructureAdaptor'
        }

        properties = namedtuple('properties',
                                prop_dict.keys())(*prop_dict.values())

        #Run method
        self.slm_proc.resp_topo('foo', 'bar', properties, payload)

        #Check result
        result = self.slm_proc.get_services()

        self.assertEqual(topology_message,
                         result[service_id]['infrastructure']['topology'],
                         msg="Dictionaries are not equal")

###############################################################
#TEST5: Test resp_vnf_depl
###############################################################

    def test_resp_vnf_depl(self):
        """
        This method tests the resp_vnf_depl method.
        """

        #SUBTEST1: Only one VNFD in the service
        #Setup
        #Create the message
        vnfr = yaml.load(
            open(
                '/plugins/son-mano-service-lifecycle-management/test/test_records/expected_vnfr_iperf.yml',
                'r'))
        message = {'status': 'DEPLOYED', 'error': None, 'vnfr': vnfr}

        payload = yaml.dump(message)

        #Create ledger
        service_dict = {}
        service_id = str(uuid.uuid4())
        corr_id = str(uuid.uuid4())
        service_dict[service_id] = {
            'act_corr_id': corr_id,
            'function': [{
                'id': vnfr['id']
            }],
            'vnfs_to_deploy': 1,
            'schedule': ['get_ledger'],
            'original_corr_id': corr_id,
            'pause_chain': True,
            'kill_chain': False
        }

        self.slm_proc.set_services(service_dict)

        #Create properties
        topic = "mano.function.deploy"
        prop_dict = {
            'reply_to': topic,
            'correlation_id': corr_id,
            'app_id': 'FunctionLifecycleManager'
        }

        properties = namedtuple('props', prop_dict.keys())(*prop_dict.values())

        #Run method
        self.slm_proc.resp_vnf_depl('foo', 'bar', properties, payload)

        #Check result
        result = self.slm_proc.get_services()

        self.assertEqual(vnfr,
                         result[service_id]['function'][0]['vnfr'],
                         msg="Dictionaries are not equal SUBTEST 1")

        self.assertEqual(result[service_id]['vnfs_to_deploy'],
                         0,
                         msg="Values not equal SUBTEST 1")

        #SUBTEST2: Two VNFDs in the service
        #Setup
        #Create the message
        vnfr = yaml.load(
            open(
                '/plugins/son-mano-service-lifecycle-management/test/test_records/expected_vnfr_iperf.yml',
                'r'))
        message = {'status': 'DEPLOYED', 'error': None, 'vnfr': vnfr}

        payload = yaml.dump(message)

        #Create ledger
        service_dict = {}
        service_id = str(uuid.uuid4())
        corr_id = str(uuid.uuid4())
        service_dict[service_id] = {
            'act_corr_id': corr_id,
            'function': [{
                'id': vnfr['id']
            }],
            'vnfs_to_deploy': 2,
            'schedule': ['get_ledger'],
            'original_corr_id': corr_id,
            'pause_chain': True,
            'kill_chain': False
        }

        self.slm_proc.set_services(service_dict)

        #Create properties
        topic = "mano.function.deploy"
        prop_dict = {
            'reply_to': topic,
            'correlation_id': corr_id,
            'app_id': 'FunctionLifecycleManager'
        }

        properties = namedtuple('props', prop_dict.keys())(*prop_dict.values())

        #Run method
        self.slm_proc.resp_vnf_depl('foo', 'bar', properties, payload)

        #Check result
        result = self.slm_proc.get_services()

        self.assertEqual(vnfr,
                         result[service_id]['function'][0]['vnfr'],
                         msg="Dictionaries are not equal SUBTEST 2")

        self.assertEqual(result[service_id]['vnfs_to_deploy'],
                         1,
                         msg="Values not equal SUBTEST 2")

        self.assertEqual(result[service_id]['schedule'], ['get_ledger'],
                         msg="Lists not equal SUBTEST 2")

###############################################################
#TEST6: Test resp_prepare
###############################################################

    def test_resp_prepare(self):
        """
        This method tests the resp_prepare method.
        """

        #SUBTEST 1: Successful response message
        #Setup
        #Create the message
        message = {
            'request_status': 'COMPLETED',
            'error': None,
        }

        payload = yaml.dump(message)

        #Create ledger
        service_dict = {}
        service_id = str(uuid.uuid4())
        corr_id = str(uuid.uuid4())
        service_dict[service_id] = {
            'act_corr_id': corr_id,
            'schedule': ['get_ledger'],
            'original_corr_id': corr_id,
            'pause_chain': True,
            'kill_chain': False
        }

        self.slm_proc.set_services(service_dict)

        #Create properties
        topic = "infrastructure.service.prepare"
        prop_dict = {
            'reply_to': topic,
            'correlation_id': corr_id,
            'app_id': 'InfrastructureAdaptor'
        }

        properties = namedtuple('props', prop_dict.keys())(*prop_dict.values())

        #Run method
        self.slm_proc.resp_prepare('foo', 'bar', properties, payload)

        #Check result
        result = self.slm_proc.get_services()

        self.assertFalse('status' in result[service_id].keys(),
                         msg="Key in dictionary SUBTEST 1")

        self.assertFalse('error' in result[service_id].keys(),
                         msg="Key in dictionary SUBTEST 1")

        #SUBTEST 2: Failed response message

        def on_test_resp_prepare_subtest2(ch, mthd, prop, payload):

            message = yaml.load(payload)

            self.assertEqual(message['status'],
                             'ERROR',
                             msg="Status not correct in SUBTEST 1")

            self.assertEqual(message['error'],
                             'BAR',
                             msg="Error not correct in SUBTEST 1")

            self.assertTrue('timestamp' in message.keys(),
                            msg="Timestamp missing in SUBTEST 1")

            self.assertEqual(len(message.keys()),
                             3,
                             msg="Number of keys not correct in SUBTEST1")
            self.firstEventFinished()

        #Setup
        #Create the message

        message = {
            'request_status': 'FOO',
            'message': 'BAR',
        }

        payload = yaml.dump(message)

        #Listen on feedback topic
        self.manoconn_gk.subscribe(on_test_resp_prepare_subtest2,
                                   'service.instances.create')

        #Create ledger
        service_dict = {}
        service_id = str(uuid.uuid4())
        corr_id = str(uuid.uuid4())
        service_dict[service_id] = {
            'act_corr_id': corr_id,
            'schedule': ['get_ledger'],
            'original_corr_id': corr_id,
            'pause_chain': True,
            'kill_chain': False
        }

        self.slm_proc.set_services(service_dict)

        #Create properties
        topic = "infrastructure.service.prepare"
        prop_dict = {
            'reply_to': topic,
            'correlation_id': corr_id,
            'app_id': 'InfrastructureAdaptor'
        }

        properties = namedtuple('props', prop_dict.keys())(*prop_dict.values())

        #Run method
        self.slm_proc.resp_prepare('foo', 'bar', properties, payload)

        #Wait for the test to finish
        self.waitForFirstEvent(timeout=5)

###############################################################
#TEST7: test contact_gk
###############################################################

    def test_contact_gk(self):
        """
        This method tests the contact_gk method.
        """

        #Check result SUBTEST 1
        def on_contact_gk_subtest1(ch, mthd, prop, payload):
            message = yaml.load(payload)

            self.assertEqual(message['status'],
                             'FOO',
                             msg="Status not correct in SUBTEST 1")

            self.assertEqual(message['error'],
                             'BAR',
                             msg="Error not correct in SUBTEST 1")

            self.assertTrue('timestamp' in message.keys(),
                            msg="Timestamp missing in SUBTEST 1")

            self.assertEqual(len(message.keys()),
                             3,
                             msg="Number of keys not correct in SUBTEST1")
            self.firstEventFinished()

        #Check result SUBTEST2
        def on_contact_gk_subtest2(ch, mthd, prop, payload):
            self.firstEventFinished()

            message = yaml.load(payload)

            self.assertEqual(message['status'],
                             'FOO',
                             msg="Status not correct in SUBTEST 2")

            self.assertEqual(message['error'],
                             'BAR',
                             msg="Error not correct in SUBTEST 2")

            self.assertEqual(message['FOO'],
                             'BAR',
                             msg="Error not correct in SUBTEST 2")

            self.assertTrue('timestamp' in message.keys(),
                            msg="Timestamp missing in SUBTEST 2")

            self.assertEqual(len(message.keys()),
                             4,
                             msg="Number of keys not correct in SUBTEST2")

        #SUBTEST1: Without additional content
        #Setup
        #Create the ledger
        self.wait_for_first_event.clear()
        service_dict = {}
        service_id = str(uuid.uuid4())
        corr_id = str(uuid.uuid4())
        service_dict[service_id] = {
            'schedule': ['get_ledger'],
            'original_corr_id': corr_id,
            'pause_chain': True,
            'status': 'FOO',
            'error': 'BAR',
            'kill_chain': False
        }

        #Set the ledger
        self.slm_proc.set_services(service_dict)

        #Spy the message bus
        self.manoconn_spy.subscribe(on_contact_gk_subtest1,
                                    'service.instances.create')

        #Wait until subscription is completed
        time.sleep(0.1)

        #Run the method
        self.slm_proc.contact_gk(service_id)

        #Wait for the test to finish
        self.waitForFirstEvent(timeout=5)

        #SUBTEST2: With additional content
        #Setup
        self.wait_for_first_event.clear()
        #Create the ledger
        service_dict = {}
        service_id = str(uuid.uuid4())
        corr_id = str(uuid.uuid4())
        add_content = {'FOO': 'BAR'}
        service_dict[service_id] = {
            'schedule': ['get_ledger'],
            'original_corr_id': corr_id,
            'pause_chain': True,
            'status': 'FOO',
            'error': 'BAR',
            'add_content': add_content
        }

        self.slm_proc.set_services(service_dict)

        #Spy the message bus
        self.manoconn_gk.subscribe(on_contact_gk_subtest2,
                                   'service.instances.create')

        #Wait until subscription is completed
        time.sleep(0.1)

        #Run the method
        self.slm_proc.contact_gk(service_id)

        #Wait for the test to finish
        self.waitForFirstEvent(timeout=5)

###############################################################
#TEST8: test request_topology
###############################################################

    def test_request_topology(self):
        """
        This method tests the request_topology method.
        """

        #Check result SUBTEST 1
        def on_request_topology_subtest1(ch, mthd, prop, payload):

            self.assertEqual(payload, "{}", msg="Payload is not empty")

            self.firstEventFinished()

        #SUBTEST1: Trigger request_topology
        #Setup
        #Create the ledger
        self.wait_for_first_event.clear()
        service_dict = {}
        service_id = str(uuid.uuid4())
        corr_id = str(uuid.uuid4())
        service_dict[service_id] = {
            'schedule': ['get_ledger'],
            'original_corr_id': corr_id,
            'pause_chain': True,
            'kill_chain': False,
            'status': 'FOO',
            'error': 'BAR',
            'infrastructure': {}
        }

        #Set the ledger
        self.slm_proc.set_services(service_dict)

        #Spy the message bus
        self.manoconn_spy.subscribe(on_request_topology_subtest1,
                                    'infrastructure.management.compute.list')

        #Wait until subscription is completed
        time.sleep(0.1)

        #Run the method
        self.slm_proc.request_topology(service_id)

        #Wait for the test to finish
        self.waitForFirstEvent(timeout=5)

###############################################################
#TEST9: test ia_prepare
###############################################################
# def test_ia_prepare(self):
#     """
#     This method tests the request_topology method.
#     """

#     #Check result SUBTEST 1
#     def on_ia_prepare_subtest1(ch, mthd, prop, payload):

#         message = yaml.load(payload)

#         for func in service_dict[service_id]['function']:
#             self.assertIn(func['vim_uuid'],
#                           message.keys(),
#                           msg="VIM uuid missing from keys")

#             image = func['vnfd']['virtual_deployment_units'][0]['vm_image']

#             self.assertIn(image,
#                           message[func['vim_uuid']]['vm_images'],
#                           msg="image not on correct Vim")

#         self.firstEventFinished()

#     #SUBTEST1: Check ia_prepare message if functions are mapped on
#     # different VIMs.
#     #Setup
#     #Create the ledger
#     self.wait_for_first_event.clear()
#     service_dict = {}
#     service_id = str(uuid.uuid4())
#     corr_id = str(uuid.uuid4())
#     service_dict[service_id] = {'schedule': ['get_ledger'],
#                                 'original_corr_id':corr_id,
#                                 'pause_chain': True,
#                                 'kill_chain': False,
#                                 'function': []}

#     path = '/plugins/son-mano-service-lifecycle-management/test/'

#     message = {}
#     message['instance_id'] = service_id
#     vnfd1 = open(path + 'test_descriptors/firewall-vnfd.yml', 'r')
#     vnfd2 = open(path + 'test_descriptors/iperf-vnfd.yml', 'r')
#     vnfd3 = open(path + 'test_descriptors/tcpdump-vnfd.yml', 'r')

#     service_dict[service_id]['function'].append({'vnfd': yaml.load(vnfd1)})
#     service_dict[service_id]['function'].append({'vnfd': yaml.load(vnfd2)})
#     service_dict[service_id]['function'].append({'vnfd': yaml.load(vnfd3)})

#     for vnfd in service_dict[service_id]['function']:
#         vim_uuid = str(uuid.uuid4())
#         vnfd['vim_uuid'] = vim_uuid

#     #Set the ledger
#     self.slm_proc.set_services(service_dict)

#     #Spy the message bus
#     self.manoconn_spy.subscribe(on_ia_prepare_subtest1,
#                                 'infrastructure.service.prepare')

#     #Wait until subscription is completed
#     time.sleep(0.1)

#     #Run the method
#     self.slm_proc.ia_prepare(service_id)

#     #Wait for the test to finish
#     self.waitForFirstEvent(timeout=5)

#     #SUBTEST2: Check ia_prepare message if functions are mapped on
#     # same VIMs.
#     #Setup
#     #Create the ledger
#     self.wait_for_first_event.clear()
#     service_dict = {}
#     service_id = str(uuid.uuid4())
#     corr_id = str(uuid.uuid4())
#     service_dict[service_id] = {'schedule': ['get_ledger'],
#                                 'original_corr_id':corr_id,
#                                 'pause_chain': True,
#                                 'kill_chain': False,
#                                 'function': []}

#     path = '/plugins/son-mano-service-lifecycle-management/test/'

#     vnfd1 = open(path + 'test_descriptors/firewall-vnfd.yml', 'r')
#     vnfd2 = open(path + 'test_descriptors/iperf-vnfd.yml', 'r')
#     vnfd3 = open(path + 'test_descriptors/tcpdump-vnfd.yml', 'r')

#     service_dict[service_id]['function'].append({'vnfd': yaml.load(vnfd1)})
#     service_dict[service_id]['function'].append({'vnfd': yaml.load(vnfd2)})
#     service_dict[service_id]['function'].append({'vnfd': yaml.load(vnfd3)})

#     vim_uuid = str(uuid.uuid4())
#     for vnfd in service_dict[service_id]['function']:
#         vnfd['vim_uuid'] = vim_uuid

#     #Set the ledger
#     self.slm_proc.set_services(service_dict)

#     #Run the method
#     self.slm_proc.ia_prepare(service_id)

#     #Wait for the test to finish
#     self.waitForFirstEvent(timeout=5)

###############################################################
#TEST10: test vnf_deploy
###############################################################

    def test_vnf_deploy(self):
        """
        This method tests the request_topology method.
        """

        #Check result SUBTEST 1
        def on_vnf_deploy_subtest1(ch, mthd, prop, payload):
            message = yaml.load(payload)

            self.assertIn(message,
                          service_dict[service_id]['function'],
                          msg="Payload is not correct")

            self.vnfcounter = self.vnfcounter + 1

            if self.vnfcounter == len(service_dict[service_id]['function']):
                self.firstEventFinished()

        #SUBTEST1: Run test
        #Setup
        #Create the ledger
        self.wait_for_first_event.clear()
        service_dict = {}
        self.vnfcounter = 0
        service_id = str(uuid.uuid4())
        corr_id = str(uuid.uuid4())
        service_dict[service_id] = {
            'schedule': ['get_ledger'],
            'original_corr_id': corr_id,
            'pause_chain': True,
            'kill_chain': False,
            'function': []
        }

        path = '/plugins/son-mano-service-lifecycle-management/test/'

        vnfd1 = open(path + 'test_descriptors/firewall-vnfd.yml', 'r')
        vnfd2 = open(path + 'test_descriptors/iperf-vnfd.yml', 'r')
        vnfd3 = open(path + 'test_descriptors/tcpdump-vnfd.yml', 'r')

        service_dict[service_id]['function'].append({
            'vnfd':
            yaml.load(vnfd1),
            'id':
            str(uuid.uuid4()),
            'vim_uuid':
            str(uuid.uuid4())
        })
        service_dict[service_id]['function'].append({
            'vnfd':
            yaml.load(vnfd2),
            'id':
            str(uuid.uuid4()),
            'vim_uuid':
            str(uuid.uuid4())
        })
        service_dict[service_id]['function'].append({
            'vnfd':
            yaml.load(vnfd3),
            'id':
            str(uuid.uuid4()),
            'vim_uuid':
            str(uuid.uuid4())
        })

        #Set the ledger
        self.slm_proc.set_services(service_dict)

        #Spy the message bus
        self.manoconn_spy.subscribe(on_vnf_deploy_subtest1,
                                    'mano.function.deploy')

        #Wait until subscription is completed
        time.sleep(0.1)

        #Run the method
        self.slm_proc.vnf_deploy(service_id)

        #Wait for the test to finish
        self.waitForFirstEvent(timeout=5)

        #SUBTEST2: TODO: test that only one message is sent per vnf

###############################################################################
#TEST11: Test build_monitoring_message
###############################################################################

    def test_build_monitoring_message(self):
        """
        This method tests the build_monitoring_message method
        """

        #Setup
        gk_request = yaml.load(self.createGkNewServiceRequestMessage())

        #add ids to NSD and VNFDs (those used in the expected message)
        gk_request['NSD']['uuid'] = '005606ed-be7d-4ce3-983c-847039e3a5a2'
        gk_request['VNFD1']['uuid'] = '6a15313f-cb0a-4540-baa2-77cc6b3f5b68'
        gk_request['VNFD2']['uuid'] = '645db4fa-a714-4cba-9617-4001477d1281'
        gk_request['VNFD3']['uuid'] = '8a0aa837-ec1c-44e5-9907-898f6401c3ae'

        #load nsr_file, containing both NSR and the list of VNFRs
        message_from_ia = yaml.load(
            open(
                '/plugins/son-mano-service-lifecycle-management/test/test_records/ia-nsr.yml',
                'r'))
        nsr_file = yaml.load(
            open(
                '/plugins/son-mano-service-lifecycle-management/test/test_records/sonata-demo-nsr.yml',
                'r'))
        vnfrs_file = yaml.load(
            open(
                '/plugins/son-mano-service-lifecycle-management/test/test_records/sonata-demo-vnfrs.yml',
                'r'))

        vnfd_firewall = gk_request['VNFD1']
        vnfd_iperf = gk_request['VNFD2']
        vnfd_tcpdump = gk_request['VNFD3']

        vnfr_firewall = vnfrs_file[1]
        vnfr_iperf = vnfrs_file[0]
        vnfr_tcpdump = vnfrs_file[2]

        service = {
            'nsd': gk_request['NSD'],
            'nsr': nsr_file,
            'vim_uuid': message_from_ia['instanceVimUuid']
        }
        functions = []
        functions.append({
            'vnfr': vnfr_iperf,
            'vnfd': vnfd_iperf,
            'id': vnfr_iperf['id']
        })
        functions.append({
            'vnfr': vnfr_firewall,
            'vnfd': vnfd_firewall,
            'id': vnfr_firewall['id']
        })
        functions.append({
            'vnfr': vnfr_tcpdump,
            'vnfd': vnfd_tcpdump,
            'id': vnfr_tcpdump['id']
        })

        #Call the method
        message = tools.build_monitoring_message(service, functions)

        #Load expected results
        expected_message = json.load(
            open(
                '/plugins/son-mano-service-lifecycle-management/test/test_descriptors/monitoring-message.json',
                'r'))

        #Check result
        self.assertEqual(message, expected_message, "messages are not equals")
class TestPluginManagerBase(unittest.TestCase):
    """
    Commen functionalities used my many test cases
    """
    pm_proc = None

    @classmethod
    def setUpClass(cls):
        # start the plugin manger in another process so that we can connect to it using its broker interface
        cls.pm_proc = Process(target=SonPluginManager)
        cls.pm_proc.daemon = True
        cls.pm_proc.start()
        time.sleep(1)  # give the plugin manager some time to start

    @classmethod
    def tearDownClass(cls):
        if cls.pm_proc is not None:
            cls.pm_proc.terminate()
            del cls.pm_proc

    def setUp(self):
        # initialize messaging subsystem
        self.m = ManoBrokerRequestResponseConnection("pm-client" + self.id())
        self.wait_for_reply = threading.Event()
        self.plugin_uuid = None

    def tearDown(self):
        self.m.stop_connection()
        self.m.stop_threads()
        del self.m

    def waitForMessage(self, timeout=5):
        self.wait_for_reply.clear()
        if not self.wait_for_reply.wait(timeout):
            raise Exception("Timeout in wait for reply message.")

    def messageReceived(self):
        self.wait_for_reply.set()

    def register(self):
        """
        Helper: We need this in many tests.
        :return:
        """
        def on_register_reply(ch, method, properties, message):
            msg = json.loads(str(message))
            assert(msg.get("status") == "OK")
            assert(len(msg.get("uuid")) > 0)
            assert(msg.get("error") is None)
            # set internal state variables
            self.plugin_uuid = msg.get("uuid")
            # stop waiting
            self.messageReceived()

        # create register request message
        msg = dict(name="test-plugin",
                   version="v0.01",
                   description="description")

        # do the registration call
        self.m.call_async(on_register_reply,
                          "platform.management.plugin.register",
                          json.dumps(msg))

        # make our test synchronous: wait
        self.waitForMessage()

    def deregister(self):
        """
        Helper: We need this in many tests.
        :return:
        """
        assert(self.plugin_uuid is not None)

        def on_deregister_reply(ch, method, properties, message):
            msg = json.loads(str(message))
            assert(msg.get("status") == "OK")
            # stop waiting
            self.messageReceived()

        # create register request message
        msg = dict(uuid=self.plugin_uuid)

        # do the registration call
        self.m.call_async(on_deregister_reply,
                          "platform.management.plugin.deregister",
                          json.dumps(msg))

        # make our test synchronous: wait
        self.waitForMessage()
Esempio n. 5
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class testSlmFunctionality(unittest.TestCase):
    """
    Tests the tasks that the SLM should perform in the service
    life cycle of the network services.
    """

    slm_proc    = None
    uuid        = '1'
    corr_id     = '1ba347d6-6210-4de7-9ca3-a383e50d0330'

########################
#SETUP
########################
    def setUp(self):
        def on_register_trigger(ch, method, properties, message):
            return json.dumps({'status': 'OK', 'uuid': self.uuid})

        #vnfcounter for when needed
        self.vnfcounter = 0

        #Generate a new corr_id for every test
        self.corr_id = str(uuid.uuid4())

        #a new SLM in another process for each test
        self.slm_proc = ServiceLifecycleManager(auto_register=False, start_running=False)

        #We make a spy connection to listen to the different topics on the broker
        self.manoconn_spy = ManoBrokerRequestResponseConnection('son-plugin.SonSpy')
        #we need a connection to simulate messages from the gatekeeper
        self.manoconn_gk = ManoBrokerRequestResponseConnection('son-plugin.SonGateKeeper')
        #we need a connection to simulate messages from the infrastructure adaptor
        self.manoconn_ia = ManoBrokerRequestResponseConnection('son-plugin.SonInfrastructureAdapter')

        #Some threading events that can be used during the tests
        self.wait_for_first_event = threading.Event()
        self.wait_for_first_event.clear()

        #The uuid that can be assigned to the plugin
        self.uuid = '1'

    def tearDown(self):
        #Killing the slm
        self.slm_proc.manoconn.stop_connection()
        self.slm_proc.manoconn.stop_threads()

        try:
            del self.slm_proc
        except:
            pass

        #Killing the connection with the broker
        self.manoconn_spy.stop_connection()
        self.manoconn_gk.stop_connection()
        self.manoconn_ia.stop_connection()

        self.manoconn_spy.stop_threads()
        self.manoconn_gk.stop_threads()
        self.manoconn_ia.stop_threads()

        del self.manoconn_spy
        del self.manoconn_gk
        del self.manoconn_ia

        del self.wait_for_first_event

########################
#GENERAL
########################
    def createGkNewServiceRequestMessage(self, correctlyFormatted=True):
        """
        This method helps creating messages for the service request packets.
        If it needs to be wrongly formatted, the nsd part of the request is
        removed.
        """

        path_descriptors = '/plugins/son-mano-service-lifecycle-management/test/test_descriptors/'

        nsd_descriptor   = open(path_descriptors + 'sonata-demo.yml', 'r')
        vnfd1_descriptor = open(path_descriptors + 'firewall-vnfd.yml', 'r')
        vnfd2_descriptor = open(path_descriptors + 'iperf-vnfd.yml', 'r')
        vnfd3_descriptor = open(path_descriptors + 'tcpdump-vnfd.yml', 'r')

        #import the nsd and vnfds that form the service
        if correctlyFormatted:
            service_request = {'NSD': yaml.load(nsd_descriptor), 'VNFD1': yaml.load(vnfd1_descriptor), 'VNFD2': yaml.load(vnfd2_descriptor), 'VNFD3': yaml.load(vnfd3_descriptor)}
        else:
            service_request = {'VNFD1': yaml.load(vnfd1_descriptor), 'VNFD2': yaml.load(vnfd2_descriptor), 'VNFD3': yaml.load(vnfd3_descriptor)}

        return yaml.dump(service_request)

    #Method that terminates the timer that waits for an event
    def firstEventFinished(self):
        self.wait_for_first_event.set()

    #Method that starts a timer, waiting for an event
    def waitForFirstEvent(self, timeout=5, msg="Event timed out."):
        if not self.wait_for_first_event.wait(timeout):
            self.assertEqual(True, False, msg=msg)

    def dummy(self, ch, method, properties, message):
        """
        Sometimes, we need a cbf for a async_call, without actually using it.
        """

        return

#############################################################
#TEST1: test validate_deploy_request
#############################################################
    def test_validate_deploy_request(self):
        """
        The method validate_deploy_request is used to check whether the
        received message that requests the deployment of a new service is
        correctly formatted.
        """

        #Setup
        service_dict = {}
        service_id = str(uuid.uuid4())
        corr_id = str(uuid.uuid4())
        service_dict[service_id] = {'original_corr_id':corr_id}

        #SUBTEST1: Check a correctly formatted message
        message = self.createGkNewServiceRequestMessage()
        service_dict[service_id]['payload'] =  yaml.load(message)

        self.slm_proc.set_services(service_dict)
        self.slm_proc.validate_deploy_request(service_id)
        result = self.slm_proc.get_services()

        self.assertEqual({'status': result[service_id]['status'],
                          'error': result[service_id]['error']},
                         {'status': 'INSTANTIATING', 'error': None},
                         msg="outcome and expected result not equal SUBTEST1.")

        #SUBTEST2: Check a message that is not a dictionary
        message = "test message"
        service_dict[service_id]['payload'] = message

        self.slm_proc.set_services(service_dict)
        self.slm_proc.validate_deploy_request(service_id)
        result = self.slm_proc.get_services()

        expected_message = "Request " + corr_id + ": payload is not a dict."
        expected_response = {'status': 'ERROR', 'error': expected_message}

        self.assertEqual({'status': result[service_id]['status'],
                          'error': result[service_id]['error']},
                         expected_response,
                         msg="outcome and expected result not equal SUBTEST2.")


        #SUBTEST3: Check a message that contains no NSD
        message = self.createGkNewServiceRequestMessage()
        loaded_message = yaml.load(message)
        del loaded_message['NSD']
        service_dict[service_id]['payload'] = loaded_message

        self.slm_proc.set_services(service_dict)
        self.slm_proc.validate_deploy_request(service_id)
        result = self.slm_proc.get_services()

        expected_message = "Request " + corr_id + ": NSD is not a dict."
        expected_response = {'status': 'ERROR', 'error': expected_message}

        self.assertEqual({'status': result[service_id]['status'],
                          'error': result[service_id]['error']},
                         expected_response,
                         msg="outcome and expected result not equal SUBTEST3.")

        #SUBTEST4: The number of VNFDs must be the same as listed in the NSD
        message = self.createGkNewServiceRequestMessage()
        loaded_message = yaml.load(message)
        loaded_message['NSD']['network_functions'].append({})
        service_dict[service_id]['payload'] = loaded_message

        self.slm_proc.set_services(service_dict)
        self.slm_proc.validate_deploy_request(service_id)
        result = self.slm_proc.get_services()

        expected_message = "Request " + corr_id + ": # of VNFDs doesn't match NSD."
        expected_response = {'status': 'ERROR', 'error': expected_message}

        self.assertEqual({'status': result[service_id]['status'],
                          'error': result[service_id]['error']},
                         expected_response,
                         msg="outcome and expected result not equal SUBTEST4.")

        #SUBTEST5: VNFDs can not be empty
        message = self.createGkNewServiceRequestMessage()
        loaded_message = yaml.load(message)
        loaded_message['VNFD1'] = None
        service_dict[service_id]['payload'] = loaded_message

        self.slm_proc.set_services(service_dict)
        self.slm_proc.validate_deploy_request(service_id)
        result = self.slm_proc.get_services()

        expected_message = "Request " + corr_id + ": empty VNFD."
        expected_response = {'status': 'ERROR', 'error': expected_message}

        self.assertEqual({'status': result[service_id]['status'],
                          'error': result[service_id]['error']},
                         expected_response,
                         msg="outcome and expected result not equal SUBTEST5.")

###########################################################
#TEST2: Test start_next_task
###########################################################
    def test_start_next_task(self):
        """
        This method tests the start_next_task method
        """

        #Setup
        service_dict = {}
        service_id = str(uuid.uuid4())
        corr_id = str(uuid.uuid4())
        orig_corr_id = str(uuid.uuid4())
        service_dict[service_id] = {'corr_id':corr_id,
                                    'original_corr_id': orig_corr_id,
                                    'pause_chain': True,
                                    'kill_chain': False}

        #SUBTEST1: Check if next task is correctly called
        message = self.createGkNewServiceRequestMessage()

        #Add a task to the list
        task_list = ['validate_deploy_request']

        #Create the ledger
        service_dict[service_id]['schedule'] = task_list
        service_dict[service_id]['payload'] = yaml.load(message)

        #Run the method
        self.slm_proc.set_services(service_dict)
        self.slm_proc.start_next_task(service_id)

        #wait for the task to finish
        time.sleep(0.1)
        result = self.slm_proc.get_services()

        #Check result
        generated_response = {'status': result[service_id]['status'],
                              'error': result[service_id]['error']}
        expected_response = {'status': 'INSTANTIATING', 'error': None}

        self.assertEqual(generated_response,
                         expected_response,
                         msg="outcome and expected result not equal SUBTEST1.")

        #Setup
        service_dict = {}
        service_id = str(uuid.uuid4())
        corr_id = str(uuid.uuid4())
        orig_corr_id = str(uuid.uuid4())
        service_dict[service_id] = {'corr_id':corr_id,
                                    'original_corr_id': orig_corr_id,
                                    'pause_chain': False,
                                    'kill_chain': False}

        #SUBTEST2: Check behavior if there is no next task
        message = self.createGkNewServiceRequestMessage()

        #Add a task to the list
        task_list = []

        #Create the ledger
        service_dict[service_id]['schedule'] = task_list
        service_dict[service_id]['payload'] = yaml.load(message)

        #Run the method
        self.slm_proc.set_services(service_dict)
        self.slm_proc.start_next_task(service_id)

        #wait for the task to finish
        time.sleep(0.1)
        result = self.slm_proc.get_services()

        #Check result: if successful, service_id will not be a key in result

        self.assertFalse(service_id in result.keys(),
                         msg="key is part of ledger in SUBTEST2.")

# ###############################################################
# #TEST3: Test service_instance_create
# ###############################################################
#     def test_service_instance_create(self):
#         """
#         This method tests the service_instance_create method of the SLM
#         """

#         #Setup
#         message = self.createGkNewServiceRequestMessage()
#         corr_id = str(uuid.uuid4())
#         topic = "service.instances.create"
#         prop_dict = {'reply_to': topic, 
#                      'correlation_id': corr_id,
#                      'app_id': "Gatekeeper"}

#         properties = namedtuple('properties', prop_dict.keys())(*prop_dict.values())

#         schedule = self.slm_proc.service_instance_create('foo',
#                                                          'bar',
#                                                          properties,
#                                                          message)

#         #Check result: since we don't know how many of the tasks
#         #were completed by the time we got the result, we only check
#         #the final elements in the tasklist

#         #The last 7 elements from the generated result
#         generated_result = schedule[-7:]

#         #The expected last 7 elements in the list
#         expected_result = ['SLM_mapping', 'ia_prepare', 'vnf_deploy',
#                            'vnf_chain', 'wan_configure',
#                            'instruct_monitoring', 'inform_gk']

#         self.assertEqual(generated_result,
#                          expected_result,
#                          msg='lists are not equal')

###############################################################
#TEST4: Test resp_topo
###############################################################
    # def test_resp_topo(self):
    #     """
    #     This method tests the resp_topo method.
    #     """

    #     #Setup
    #     #Create topology message
    #     first = {'vim_uuid':str(uuid.uuid4()), 'memory_used':5, 'memory_total':12, 'core_used':4, 'core_total':6}
    #     second = {'vim_uuid':str(uuid.uuid4()), 'memory_used':3, 'memory_total':5, 'core_used':4, 'core_total':5}
    #     third = {'vim_uuid':str(uuid.uuid4()), 'memory_used':6, 'memory_total':7, 'core_used':2, 'core_total':12}
    #     topology_message = [first, second, third]
    #     payload = yaml.dump(topology_message)

    #     #Create ledger
    #     service_dict = {}
    #     service_id = str(uuid.uuid4())
    #     corr_id = str(uuid.uuid4())
    #     service_dict[service_id] = {'act_corr_id':corr_id,
    #                                 'infrastructure': {'topology':None},
    #                                 'schedule': ['get_ledger'],
    #                                 'original_corr_id':corr_id,
    #                                 'pause_chain': True,
    #                                 'kill_chain': False}

    #     self.slm_proc.set_services(service_dict)

    #     #Create properties
    #     topic = "infrastructure.management.compute.list"
    #     prop_dict = {'reply_to': topic, 
    #                  'correlation_id': corr_id,
    #                  'app_id': 'InfrastructureAdaptor'}

    #     properties = namedtuple('properties', prop_dict.keys())(*prop_dict.values())

    #     #Run method
    #     self.slm_proc.resp_topo('foo', 'bar', properties, payload)

    #     #Check result
    #     result = self.slm_proc.get_services()

    #     self.assertEqual(topology_message,
    #                      result[service_id]['infrastructure']['topology'],
    #                      msg="Dictionaries are not equal")

###############################################################
#TEST5: Test resp_vnf_depl
###############################################################
    def test_resp_vnf_depl(self):
        """
        This method tests the resp_vnf_depl method.
        """

        #SUBTEST1: Only one VNFD in the service
        #Setup
        #Create the message
        vnfr = yaml.load(open('/plugins/son-mano-service-lifecycle-management/test/test_records/expected_vnfr_iperf.yml', 'r'))
        message = {'status': 'DEPLOYED',
                   'error': None,
                   'ip_mapping': [],
                   'vnfr': vnfr}

        payload = yaml.dump(message)

        #Create ledger
        service_dict = {}
        service_id = str(uuid.uuid4())
        corr_id = str(uuid.uuid4())
        service_dict[service_id] = {'act_corr_id':corr_id,
                                    'function': [{'id': vnfr['id']}],
                                    'vnfs_to_resp': 1,
                                    'ip_mapping': [],
                                    'schedule': ['get_ledger'],
                                    'original_corr_id':corr_id,
                                    'pause_chain': True,
                                    'kill_chain': False}

        self.slm_proc.set_services(service_dict)

        #Create properties
        topic = "mano.function.deploy"
        prop_dict = {'reply_to': topic, 
                     'correlation_id': corr_id,
                     'app_id': 'FunctionLifecycleManager'}

        properties = namedtuple('props', prop_dict.keys())(*prop_dict.values())

        #Run method
        self.slm_proc.resp_vnf_depl('foo', 'bar', properties, payload)

        #Check result
        result = self.slm_proc.get_services()

        self.assertEqual(vnfr,
                         result[service_id]['function'][0]['vnfr'],
                         msg="Dictionaries are not equal SUBTEST 1")

        self.assertEqual(result[service_id]['vnfs_to_resp'],
                         0,
                         msg="Values not equal SUBTEST 1")


        #SUBTEST2: Two VNFDs in the service
        #Setup
        #Create the message
        vnfr = yaml.load(open('/plugins/son-mano-service-lifecycle-management/test/test_records/expected_vnfr_iperf.yml', 'r'))
        message = {'status': 'DEPLOYED',
                   'error': None,
                   'ip_mapping': [],
                   'vnfr': vnfr}

        payload = yaml.dump(message)

        #Create ledger
        service_dict = {}
        service_id = str(uuid.uuid4())
        corr_id = str(uuid.uuid4())
        service_dict[service_id] = {'act_corr_id':corr_id,
                                    'function': [{'id': vnfr['id']}],
                                    'vnfs_to_resp': 2,
                                    'ip_mapping': [],
                                    'schedule': ['get_ledger'],
                                    'original_corr_id':corr_id,
                                    'pause_chain': True,
                                    'kill_chain': False}

        self.slm_proc.set_services(service_dict)

        #Create properties
        topic = "mano.function.deploy"
        prop_dict = {'reply_to': topic, 
                     'correlation_id': corr_id,
                     'app_id': 'FunctionLifecycleManager'}

        properties = namedtuple('props', prop_dict.keys())(*prop_dict.values())

        #Run method
        self.slm_proc.resp_vnf_depl('foo', 'bar', properties, payload)

        #Check result
        result = self.slm_proc.get_services()

        self.assertEqual(vnfr,
                         result[service_id]['function'][0]['vnfr'],
                         msg="Dictionaries are not equal SUBTEST 2")

        self.assertEqual(result[service_id]['vnfs_to_resp'],
                         1,
                         msg="Values not equal SUBTEST 2")

        self.assertEqual(result[service_id]['schedule'],
                         ['get_ledger'],
                         msg="Lists not equal SUBTEST 2")

###############################################################
#TEST6: Test resp_prepare
###############################################################
    def test_resp_prepare(self):
        """
        This method tests the resp_prepare method.
        """

        #SUBTEST 1: Successful response message
        #Setup
        #Create the message
        message = {'request_status': 'COMPLETED',
                   'error': None,
                   }

        payload = yaml.dump(message)

        #Create ledger
        service_dict = {}
        service_id = str(uuid.uuid4())
        corr_id = str(uuid.uuid4())
        service_dict[service_id] = {'act_corr_id':corr_id,
                                    'schedule': ['get_ledger'],
                                    'original_corr_id':corr_id,
                                    'pause_chain': True,
                                    'current_workflow': 'instantiation',
                                    'kill_chain': False}

        self.slm_proc.set_services(service_dict)

        #Create properties
        topic = "infrastructure.service.prepare"
        prop_dict = {'reply_to': topic, 
                     'correlation_id': corr_id,
                     'app_id': 'InfrastructureAdaptor'}

        properties = namedtuple('props', prop_dict.keys())(*prop_dict.values())

        #Run method
        self.slm_proc.resp_prepare('foo', 'bar', properties, payload)

        #Check result
        result = self.slm_proc.get_services()

        self.assertFalse('status' in result[service_id].keys(),
                         msg="Key in dictionary SUBTEST 1")

        self.assertFalse('error' in result[service_id].keys(),
                         msg="Key in dictionary SUBTEST 1")

        # #SUBTEST 2: Failed response message

        # def on_test_resp_prepare_subtest2(ch, mthd, prop, payload):

        #     message = yaml.load(payload)

        #     self.assertEqual(message['status'],
        #                      'ERROR',
        #                      msg="Status not correct in SUBTEST 1")

        #     self.assertEqual(message['error'],
        #                      'BAR',
        #                      msg="Error not correct in SUBTEST 1")

        #     self.assertTrue('timestamp' in message.keys(),
        #                      msg="Timestamp missing in SUBTEST 1")

        #     self.assertEqual(len(message.keys()),
        #                      3,
        #                     msg="Number of keys not correct in SUBTEST1")
        #     self.firstEventFinished()

        # #Setup
        # #Create the message

        # message = {'request_status': 'FOO',
        #            'message': 'BAR',
        #            }

        # payload = yaml.dump(message)

        # #Listen on feedback topic
        # self.manoconn_gk.subscribe(on_test_resp_prepare_subtest2,'service.instances.create')

        # #Create ledger
        # service_dict = {}
        # service_id = str(uuid.uuid4())
        # corr_id = str(uuid.uuid4())
        # service_dict[service_id] = {'act_corr_id':corr_id,
        #                             'schedule': ['get_ledger'],
        #                             'original_corr_id':corr_id,
        #                             'pause_chain': True,
        #                             'current_workflow': 'instantiation',
        #                             'kill_chain': False}

        # self.slm_proc.set_services(service_dict)

        # #Create properties
        # topic = "infrastructure.service.prepare"
        # prop_dict = {'reply_to': topic, 
        #              'correlation_id': corr_id,
        #              'app_id': 'InfrastructureAdaptor'}

        # properties = namedtuple('props', prop_dict.keys())(*prop_dict.values())

        # #Run method
        # self.slm_proc.resp_prepare('foo', 'bar', properties, payload)

        # #Wait for the test to finish
        # self.waitForFirstEvent(timeout=5)


###############################################################
#TEST7: test contact_gk
###############################################################
    def test_contact_gk(self):
        """
        This method tests the contact_gk method.
        """

        #Check result SUBTEST 1
        def on_contact_gk_subtest1(ch, mthd, prop, payload):
            message = yaml.load(payload)

            self.assertEqual(message['status'],
                             'FOO',
                             msg="Status not correct in SUBTEST 1")

            self.assertEqual(message['error'],
                             'BAR',
                             msg="Error not correct in SUBTEST 1")

            self.assertTrue('timestamp' in message.keys(),
                             msg="Timestamp missing in SUBTEST 1")

            self.assertEqual(len(message.keys()),
                             3,
                            msg="Number of keys not correct in SUBTEST1")
            self.firstEventFinished()

        #Check result SUBTEST2
        def on_contact_gk_subtest2(ch, mthd, prop, payload):
            self.firstEventFinished()

            message = yaml.load(payload)

            self.assertEqual(message['status'],
                             'FOO',
                             msg="Status not correct in SUBTEST 2")

            self.assertEqual(message['error'],
                             'BAR',
                             msg="Error not correct in SUBTEST 2")

            self.assertEqual(message['FOO'],
                             'BAR',
                             msg="Error not correct in SUBTEST 2")

            self.assertTrue('timestamp' in message.keys(),
                             msg="Timestamp missing in SUBTEST 2")

            self.assertEqual(len(message.keys()),
                             4,
                            msg="Number of keys not correct in SUBTEST2")

        #SUBTEST1: Without additional content
        #Setup
        #Create the ledger
        self.wait_for_first_event.clear()
        service_dict = {}
        service_id = str(uuid.uuid4())
        corr_id = str(uuid.uuid4())
        service_dict[service_id] = {'schedule': ['get_ledger'],
                                    'original_corr_id':corr_id,
                                    'pause_chain': True,
                                    'status': 'FOO',
                                    'error': 'BAR',
                                    'kill_chain': False,
                                    'topic': 'service.instances.create'}

        #Set the ledger
        self.slm_proc.set_services(service_dict)

        #Spy the message bus
        self.manoconn_spy.subscribe(on_contact_gk_subtest1, 'service.instances.create')

        #Wait until subscription is completed
        time.sleep(0.1)

        #Run the method
        self.slm_proc.contact_gk(service_id)

        #Wait for the test to finish
        self.waitForFirstEvent(timeout=5)

        #SUBTEST2: With additional content
        #Setup
        self.wait_for_first_event.clear()
        #Create the ledger
        service_dict = {}
        service_id = str(uuid.uuid4())
        corr_id = str(uuid.uuid4())
        add_content = {'FOO': 'BAR'}
        service_dict[service_id] = {'schedule': ['get_ledger'],
                                    'original_corr_id':corr_id,
                                    'pause_chain': True,
                                    'status': 'FOO',
                                    'error': 'BAR',
                                    'add_content': add_content,
                                    'topic': 'service.instances.create'}

        self.slm_proc.set_services(service_dict)

        #Spy the message bus
        self.manoconn_gk.subscribe(on_contact_gk_subtest2, 'service.instances.create')

        #Wait until subscription is completed
        time.sleep(0.1)

        #Run the method
        self.slm_proc.contact_gk(service_id)

        #Wait for the test to finish
        self.waitForFirstEvent(timeout=5)
Esempio n. 6
0
class testSlmFunctionality(unittest.TestCase):
    """
    Tests the tasks that the SLM should perform in the service
    life cycle of the network services.
    """

    slm_proc = None
    uuid = '1'
    corr_id = '1ba347d6-6210-4de7-9ca3-a383e50d0330'

    ########################
    #SETUP
    ########################
    def setUp(self):
        def on_register_trigger(ch, method, properties, message):
            return json.dumps({'status': 'OK', 'uuid': self.uuid})

        #vnfcounter for when needed
        self.vnfcounter = 0

        #Generate a new corr_id for every test
        self.corr_id = str(uuid.uuid4())

        #a new SLM in another process for each test
        self.slm_proc = ServiceLifecycleManager(start_running=False)

        #We make a spy connection to listen to the different topics on the broker
        self.manoconn_spy = ManoBrokerRequestResponseConnection(
            'son-plugin.SonSpy')
        #we need a connection to simulate messages from the gatekeeper
        self.manoconn_gk = ManoBrokerRequestResponseConnection(
            'son-plugin.SonGateKeeper')
        #we need a connection to simulate messages from the infrastructure adaptor
        self.manoconn_ia = ManoBrokerRequestResponseConnection(
            'son-plugin.SonInfrastructureAdapter')

        #Some threading events that can be used during the tests
        self.wait_for_first_event = threading.Event()
        self.wait_for_first_event.clear()

        #The uuid that can be assigned to the plugin
        self.uuid = '1'

    def tearDown(self):
        #Killing the slm
        self.slm_proc.manoconn.stop_connection()
        self.slm_proc.manoconn.stop_threads()

        try:
            del self.slm_proc
        except:
            pass

        #Killing the connection with the broker
        self.manoconn_spy.stop_connection()
        self.manoconn_gk.stop_connection()
        self.manoconn_ia.stop_connection()

        self.manoconn_spy.stop_threads()
        self.manoconn_gk.stop_threads()
        self.manoconn_ia.stop_threads()

        del self.manoconn_spy
        del self.manoconn_gk
        del self.manoconn_ia

        del self.wait_for_first_event

########################
#GENERAL
########################

    def createGkNewServiceRequestMessage(self, correctlyFormatted=True):
        """
        This method helps creating messages for the service request packets.
        If it needs to be wrongly formatted, the nsd part of the request is
        removed.
        """

        path_descriptors = '/plugins/son-mano-service-lifecycle-management/test/test_descriptors/'

        nsd_descriptor = open(path_descriptors + 'sonata-demo.yml', 'r')
        vnfd1_descriptor = open(path_descriptors + 'firewall-vnfd.yml', 'r')
        vnfd2_descriptor = open(path_descriptors + 'iperf-vnfd.yml', 'r')
        vnfd3_descriptor = open(path_descriptors + 'tcpdump-vnfd.yml', 'r')

        #import the nsd and vnfds that form the service
        if correctlyFormatted:
            service_request = {
                'NSD': yaml.load(nsd_descriptor),
                'VNFD1': yaml.load(vnfd1_descriptor),
                'VNFD2': yaml.load(vnfd2_descriptor),
                'VNFD3': yaml.load(vnfd3_descriptor)
            }
        else:
            service_request = {
                'VNFD1': yaml.load(vnfd1_descriptor),
                'VNFD2': yaml.load(vnfd2_descriptor),
                'VNFD3': yaml.load(vnfd3_descriptor)
            }

        return yaml.dump(service_request)

    #Method that terminates the timer that waits for an event
    def firstEventFinished(self):
        self.wait_for_first_event.set()

    #Method that starts a timer, waiting for an event
    def waitForFirstEvent(self, timeout=5, msg="Event timed out."):
        if not self.wait_for_first_event.wait(timeout):
            self.assertEqual(True, False, msg=msg)

    def dummy(self, ch, method, properties, message):
        """
        Sometimes, we need a cbf for a async_call, without actually using it.
        """

        return

#############################################################
#TEST1: test validate_deploy_request
#############################################################

    def test_validate_deploy_request(self):
        """
        The method validate_deploy_request is used to check whether the
        received message that requests the deployment of a new service is
        correctly formatted.
        """

        #Setup
        service_dict = {}
        service_id = str(uuid.uuid4())
        corr_id = str(uuid.uuid4())
        service_dict[service_id] = {'original_corr_id': corr_id}

        # #SUBTEST1: Check a correctly formatted message
        # message = self.createGkNewServiceRequestMessage()
        # service_dict[service_id]['payload'] =  yaml.load(message)

        # self.slm_proc.set_services(service_dict)
        # self.slm_proc.validate_deploy_request(service_id)
        # result = self.slm_proc.get_services()

        # self.assertEqual({'status': result[service_id]['status'],
        #                   'error': result[service_id]['error']},
        #                  {'status': 'INSTANTIATING', 'error': None},
        #                  msg="outcome and expected result not equal SUBTEST1.")

        #SUBTEST2: Check a message that is not a dictionary
        message = "test message"
        service_dict[service_id]['payload'] = message

        self.slm_proc.set_services(service_dict)
        self.slm_proc.validate_deploy_request(service_id)
        result = self.slm_proc.get_services()

        expected_message = "Request " + corr_id + ": payload is not a dict."
        expected_response = {'status': 'ERROR', 'error': expected_message}

        self.assertEqual(
            {
                'status': result[service_id]['status'],
                'error': result[service_id]['error']
            },
            expected_response,
            msg="outcome and expected result not equal SUBTEST2.")

        #SUBTEST3: Check a message that contains no NSD
        message = self.createGkNewServiceRequestMessage()
        loaded_message = yaml.load(message)
        del loaded_message['NSD']
        service_dict[service_id]['payload'] = loaded_message

        self.slm_proc.set_services(service_dict)
        self.slm_proc.validate_deploy_request(service_id)
        result = self.slm_proc.get_services()

        expected_message = "Request " + corr_id + ": NSD is not a dict."
        expected_response = {'status': 'ERROR', 'error': expected_message}

        self.assertEqual(
            {
                'status': result[service_id]['status'],
                'error': result[service_id]['error']
            },
            expected_response,
            msg="outcome and expected result not equal SUBTEST3.")

        #SUBTEST4: The number of VNFDs must be the same as listed in the NSD
        message = self.createGkNewServiceRequestMessage()
        loaded_message = yaml.load(message)
        loaded_message['NSD']['network_functions'].append({})
        service_dict[service_id]['payload'] = loaded_message

        self.slm_proc.set_services(service_dict)
        self.slm_proc.validate_deploy_request(service_id)
        result = self.slm_proc.get_services()

        expected_message = "Request " + corr_id + ": # of VNFDs doesn't match NSD."
        expected_response = {'status': 'ERROR', 'error': expected_message}

        self.assertEqual(
            {
                'status': result[service_id]['status'],
                'error': result[service_id]['error']
            },
            expected_response,
            msg="outcome and expected result not equal SUBTEST4.")

        #SUBTEST5: VNFDs can not be empty
        message = self.createGkNewServiceRequestMessage()
        loaded_message = yaml.load(message)
        loaded_message['VNFD1'] = None
        service_dict[service_id]['payload'] = loaded_message

        self.slm_proc.set_services(service_dict)
        self.slm_proc.validate_deploy_request(service_id)
        result = self.slm_proc.get_services()

        expected_message = "Request " + corr_id + ": empty VNFD."
        expected_response = {'status': 'ERROR', 'error': expected_message}

        self.assertEqual(
            {
                'status': result[service_id]['status'],
                'error': result[service_id]['error']
            },
            expected_response,
            msg="outcome and expected result not equal SUBTEST5.")

###########################################################
#TEST2: Test start_next_task
###########################################################

    def test_start_next_task(self):
        """
        This method tests the start_next_task method
        """

        #Setup
        service_dict = {}
        service_id = str(uuid.uuid4())
        corr_id = str(uuid.uuid4())
        orig_corr_id = str(uuid.uuid4())
        service_dict[service_id] = {
            'corr_id': corr_id,
            'original_corr_id': orig_corr_id,
            'pause_chain': True,
            'kill_chain': False
        }

        #SUBTEST1: Check if next task is correctly called
        message = self.createGkNewServiceRequestMessage()

        #Add a task to the list
        task_list = ['validate_deploy_request']

        #Create the ledger
        service_dict[service_id]['schedule'] = task_list
        service_dict[service_id]['payload'] = yaml.load(message)

        #Run the method
        self.slm_proc.set_services(service_dict)
        self.slm_proc.start_next_task(service_id)

        #wait for the task to finish
        time.sleep(0.1)
        result = self.slm_proc.get_services()

        #Check result
        generated_response = {
            'status': result[service_id]['status'],
            'error': result[service_id]['error']
        }
        expected_response = {'status': 'INSTANTIATING', 'error': None}

        self.assertEqual(generated_response,
                         expected_response,
                         msg="outcome and expected result not equal SUBTEST1.")

        #Setup
        service_dict = {}
        service_id = str(uuid.uuid4())
        corr_id = str(uuid.uuid4())
        orig_corr_id = str(uuid.uuid4())
        service_dict[service_id] = {
            'corr_id': corr_id,
            'original_corr_id': orig_corr_id,
            'pause_chain': False,
            'kill_chain': False
        }

        #SUBTEST2: Check behavior if there is no next task
        message = self.createGkNewServiceRequestMessage()

        #Add a task to the list
        task_list = []

        #Create the ledger
        service_dict[service_id]['schedule'] = task_list
        service_dict[service_id]['payload'] = yaml.load(message)

        #Run the method
        self.slm_proc.set_services(service_dict)
        self.slm_proc.start_next_task(service_id)

        #wait for the task to finish
        time.sleep(0.1)
        result = self.slm_proc.get_services()

        #Check result: if successful, service_id will not be a key in result

        self.assertFalse(service_id in result.keys(),
                         msg="key is part of ledger in SUBTEST2.")

# ###############################################################
# #TEST3: Test service_instance_create
# ###############################################################
#     def test_service_instance_create(self):
#         """
#         This method tests the service_instance_create method of the SLM
#         """

#         #Setup
#         message = self.createGkNewServiceRequestMessage()
#         corr_id = str(uuid.uuid4())
#         topic = "service.instances.create"
#         prop_dict = {'reply_to': topic,
#                      'correlation_id': corr_id,
#                      'app_id': "Gatekeeper"}

#         properties = namedtuple('properties', prop_dict.keys())(*prop_dict.values())

#         schedule = self.slm_proc.service_instance_create('foo',
#                                                          'bar',
#                                                          properties,
#                                                          message)

#         #Check result: since we don't know how many of the tasks
#         #were completed by the time we got the result, we only check
#         #the final elements in the tasklist

#         #The last 7 elements from the generated result
#         generated_result = schedule[-7:]

#         #The expected last 7 elements in the list
#         expected_result = ['SLM_mapping', 'ia_prepare', 'vnf_deploy',
#                            'vnf_chain', 'wan_configure',
#                            'instruct_monitoring', 'inform_gk']

#         self.assertEqual(generated_result,
#                          expected_result,
#                          msg='lists are not equal')

###############################################################
#TEST4: Test resp_topo
###############################################################
# def test_resp_topo(self):
#     """
#     This method tests the resp_topo method.
#     """

#     #Setup
#     #Create topology message
#     first = {'vim_uuid':str(uuid.uuid4()), 'memory_used':5, 'memory_total':12, 'core_used':4, 'core_total':6}
#     second = {'vim_uuid':str(uuid.uuid4()), 'memory_used':3, 'memory_total':5, 'core_used':4, 'core_total':5}
#     third = {'vim_uuid':str(uuid.uuid4()), 'memory_used':6, 'memory_total':7, 'core_used':2, 'core_total':12}
#     topology_message = [first, second, third]
#     payload = yaml.dump(topology_message)

#     #Create ledger
#     service_dict = {}
#     service_id = str(uuid.uuid4())
#     corr_id = str(uuid.uuid4())
#     service_dict[service_id] = {'act_corr_id':corr_id,
#                                 'infrastructure': {'topology':None},
#                                 'schedule': ['get_ledger'],
#                                 'original_corr_id':corr_id,
#                                 'pause_chain': True,
#                                 'kill_chain': False}

#     self.slm_proc.set_services(service_dict)

#     #Create properties
#     topic = "infrastructure.management.compute.list"
#     prop_dict = {'reply_to': topic,
#                  'correlation_id': corr_id,
#                  'app_id': 'InfrastructureAdaptor'}

#     properties = namedtuple('properties', prop_dict.keys())(*prop_dict.values())

#     #Run method
#     self.slm_proc.resp_topo('foo', 'bar', properties, payload)

#     #Check result
#     result = self.slm_proc.get_services()

#     self.assertEqual(topology_message,
#                      result[service_id]['infrastructure']['topology'],
#                      msg="Dictionaries are not equal")

###############################################################
#TEST5: Test resp_vnf_depl
###############################################################

    def test_resp_vnf_depl(self):
        """
        This method tests the resp_vnf_depl method.
        """

        #SUBTEST1: Only one VNFD in the service
        #Setup
        #Create the message
        vnfr = yaml.load(
            open(
                '/plugins/son-mano-service-lifecycle-management/test/test_records/expected_vnfr_iperf.yml',
                'r'))
        message = {
            'status': 'DEPLOYED',
            'error': None,
            'ip_mapping': [],
            'vnfr': vnfr
        }

        payload = yaml.dump(message)

        #Create ledger
        service_dict = {}
        service_id = str(uuid.uuid4())
        corr_id = str(uuid.uuid4())
        service_dict[service_id] = {
            'act_corr_id': corr_id,
            'function': [{
                'id': vnfr['id']
            }],
            'vnfs_to_resp': 1,
            'ip_mapping': [],
            'schedule': ['get_ledger'],
            'original_corr_id': corr_id,
            'pause_chain': True,
            'kill_chain': False
        }

        self.slm_proc.set_services(service_dict)

        #Create properties
        topic = "mano.function.deploy"
        prop_dict = {
            'reply_to': topic,
            'correlation_id': corr_id,
            'app_id': 'FunctionLifecycleManager'
        }

        properties = namedtuple('props', prop_dict.keys())(*prop_dict.values())

        #Run method
        self.slm_proc.resp_vnf_depl('foo', 'bar', properties, payload)

        #Check result
        result = self.slm_proc.get_services()

        self.assertEqual(vnfr,
                         result[service_id]['function'][0]['vnfr'],
                         msg="Dictionaries are not equal SUBTEST 1")

        self.assertEqual(result[service_id]['vnfs_to_resp'],
                         0,
                         msg="Values not equal SUBTEST 1")

        #SUBTEST2: Two VNFDs in the service
        #Setup
        #Create the message
        vnfr = yaml.load(
            open(
                '/plugins/son-mano-service-lifecycle-management/test/test_records/expected_vnfr_iperf.yml',
                'r'))
        message = {
            'status': 'DEPLOYED',
            'error': None,
            'ip_mapping': [],
            'vnfr': vnfr
        }

        payload = yaml.dump(message)

        #Create ledger
        service_dict = {}
        service_id = str(uuid.uuid4())
        corr_id = str(uuid.uuid4())
        service_dict[service_id] = {
            'act_corr_id': corr_id,
            'function': [{
                'id': vnfr['id']
            }],
            'vnfs_to_resp': 2,
            'ip_mapping': [],
            'schedule': ['get_ledger'],
            'original_corr_id': corr_id,
            'pause_chain': True,
            'kill_chain': False
        }

        self.slm_proc.set_services(service_dict)

        #Create properties
        topic = "mano.function.deploy"
        prop_dict = {
            'reply_to': topic,
            'correlation_id': corr_id,
            'app_id': 'FunctionLifecycleManager'
        }

        properties = namedtuple('props', prop_dict.keys())(*prop_dict.values())

        #Run method
        self.slm_proc.resp_vnf_depl('foo', 'bar', properties, payload)

        #Check result
        result = self.slm_proc.get_services()

        self.assertEqual(vnfr,
                         result[service_id]['function'][0]['vnfr'],
                         msg="Dictionaries are not equal SUBTEST 2")

        self.assertEqual(result[service_id]['vnfs_to_resp'],
                         1,
                         msg="Values not equal SUBTEST 2")

        self.assertEqual(result[service_id]['schedule'], ['get_ledger'],
                         msg="Lists not equal SUBTEST 2")

###############################################################
#TEST6: Test resp_prepare
###############################################################

    def test_resp_prepare(self):
        """
        This method tests the resp_prepare method.
        """

        #SUBTEST 1: Successful response message
        #Setup
        #Create the message
        message = {
            'request_status': 'COMPLETED',
            'error': None,
        }

        payload = yaml.dump(message)

        #Create ledger
        service_dict = {}
        service_id = str(uuid.uuid4())
        corr_id = str(uuid.uuid4())
        service_dict[service_id] = {
            'act_corr_id': corr_id,
            'schedule': ['get_ledger'],
            'original_corr_id': corr_id,
            'pause_chain': True,
            'current_workflow': 'instantiation',
            'kill_chain': False
        }

        self.slm_proc.set_services(service_dict)

        #Create properties
        topic = "infrastructure.service.prepare"
        prop_dict = {
            'reply_to': topic,
            'correlation_id': corr_id,
            'app_id': 'InfrastructureAdaptor'
        }

        properties = namedtuple('props', prop_dict.keys())(*prop_dict.values())

        #Run method
        self.slm_proc.resp_prepare('foo', 'bar', properties, payload)

        #Check result
        result = self.slm_proc.get_services()

        self.assertFalse('status' in result[service_id].keys(),
                         msg="Key in dictionary SUBTEST 1")

        self.assertFalse('error' in result[service_id].keys(),
                         msg="Key in dictionary SUBTEST 1")