Commit ed1af500 authored by Javier Diaz's avatar Javier Diaz
Browse files

Integrating DLT into Interdomain module

parent f4fb7d70
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+1 −1
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@@ -20,7 +20,7 @@
export TFS_REGISTRY_IMAGES="http://localhost:32000/tfs/"

# Set the list of components, separated by spaces, you want to build images for, and deploy.
export TFS_COMPONENTS="context device pathcomp service slice nbi webui load_generator dlt"
export TFS_COMPONENTS="context device pathcomp service slice nbi webui load_generator interdomain dlt"

# Uncomment to activate Monitoring
#export TFS_COMPONENTS="${TFS_COMPONENTS} monitoring"
+7 −0
Original line number Diff line number Diff line
@@ -15,6 +15,7 @@
from common.Settings import get_setting

SETTING_NAME_TOPOLOGY_ABSTRACTOR = 'TOPOLOGY_ABSTRACTOR'
SETTING_NAME_DLT_INTEGRATION = 'DLT_INTEGRATION'
TRUE_VALUES = {'Y', 'YES', 'TRUE', 'T', 'E', 'ENABLE', 'ENABLED'}

def is_topology_abstractor_enabled() -> bool:
@@ -22,3 +23,9 @@ def is_topology_abstractor_enabled() -> bool:
    if is_enabled is None: return False
    str_is_enabled = str(is_enabled).upper()
    return str_is_enabled in TRUE_VALUES

def is_dlt_enabled() -> bool:
    is_enabled = get_setting(SETTING_NAME_DLT_INTEGRATION, default=None)
    if is_enabled is None: return False
    str_is_enabled = str(is_enabled).upper()
    return str_is_enabled in TRUE_VALUES
+17 −8
Original line number Diff line number Diff line
@@ -18,8 +18,9 @@ from common.Constants import ServiceNameEnum
from common.Settings import (
    ENVVAR_SUFIX_SERVICE_HOST, ENVVAR_SUFIX_SERVICE_PORT_GRPC, get_env_var_name, get_log_level, get_metrics_port,
    wait_for_environment_variables)
from interdomain.Config import is_topology_abstractor_enabled
from .topology_abstractor.TopologyAbstractor import TopologyAbstractor
from interdomain.Config import is_dlt_enabled
#from .topology_abstractor.TopologyAbstractor import TopologyAbstractor
from .topology_abstractor.DltRecorder import DLTRecorder
from .InterdomainService import InterdomainService
from .RemoteDomainClients import RemoteDomainClients

@@ -64,17 +65,25 @@ def main():
    grpc_service.start()

    # Subscribe to Context Events
    topology_abstractor_enabled = is_topology_abstractor_enabled()
    if topology_abstractor_enabled:
        topology_abstractor = TopologyAbstractor()
        topology_abstractor.start()
    # topology_abstractor_enabled = is_topology_abstractor_enabled()
    # if topology_abstractor_enabled:
    #     topology_abstractor = TopologyAbstractor()
    #     topology_abstractor.start()

        # Subscribe to Context Events
    dlt_enabled = is_dlt_enabled()
    if dlt_enabled:
        dlt_recorder = DLTRecorder()
        dlt_recorder.start()

    # Wait for Ctrl+C or termination signal
    while not terminate.wait(timeout=1.0): pass

    LOGGER.info('Terminating...')
    if topology_abstractor_enabled:
        topology_abstractor.stop()
    # if topology_abstractor_enabled:
    #     topology_abstractor.stop()
    if dlt_enabled:
         dlt_recorder.stop()
    grpc_service.stop()
    remote_domain_clients.stop()

+133 −0
Original line number Diff line number Diff line
import logging
import threading
from typing import Dict, Optional

from common.Constants import DEFAULT_CONTEXT_NAME, DEFAULT_TOPOLOGY_NAME, INTERDOMAIN_TOPOLOGY_NAME, ServiceNameEnum
from common.Settings import ENVVAR_SUFIX_SERVICE_HOST, ENVVAR_SUFIX_SERVICE_PORT_GRPC, find_environment_variables, get_env_var_name
from common.proto.context_pb2 import ContextEvent, ContextId, Device, DeviceEvent, DeviceId, EndPointId, Link, LinkEvent, TopologyId, TopologyEvent
from common.tools.context_queries.Context import create_context
from common.tools.context_queries.Device import get_uuids_of_devices_in_topology
from common.tools.context_queries.Topology import create_missing_topologies
from common.tools.grpc.Tools import grpc_message_to_json_string
from common.tools.object_factory.Context import json_context_id
from common.tools.object_factory.Device import json_device_id
from common.tools.object_factory.Topology import json_topology_id
from context.client.ContextClient import ContextClient
from context.client.EventsCollector import EventsCollector
from dlt.connector.client.DltConnectorClient import DltConnectorClient
from .DltRecordSender import DltRecordSender
from .Types import EventTypes

LOGGER = logging.getLogger(__name__)

ADMIN_CONTEXT_ID = ContextId(**json_context_id(DEFAULT_CONTEXT_NAME))
INTERDOMAIN_TOPOLOGY_ID = TopologyId(**json_topology_id(INTERDOMAIN_TOPOLOGY_NAME, context_id=ADMIN_CONTEXT_ID))


class DLTRecorder(threading.Thread):
    def __init__(self) -> None:
        super().__init__(daemon=True)
        self.terminate = threading.Event()
        self.context_client = ContextClient()
        self.context_event_collector = EventsCollector(self.context_client)

    def stop(self):
        self.terminate.set()

    def run(self) -> None:
        self.context_client.connect()
        create_context(self.context_client, DEFAULT_CONTEXT_NAME)
        self.create_topologies()
        self.context_event_collector.start()

        while not self.terminate.is_set():
            event = self.context_event_collector.get_event(timeout=0.1)
            if event is None:
                continue
            LOGGER.info('Processing Event({:s})...'.format(grpc_message_to_json_string(event)))
            self.update_record(event)

        self.context_event_collector.stop()
        self.context_client.close()

    def create_topologies(self):
        topology_uuids = [DEFAULT_TOPOLOGY_NAME, INTERDOMAIN_TOPOLOGY_NAME]
        create_missing_topologies(self.context_client, ADMIN_CONTEXT_ID, topology_uuids)

    def get_dlt_connector_client(self) -> Optional[DltConnectorClient]:
        env_vars = find_environment_variables([
            get_env_var_name(ServiceNameEnum.DLT, ENVVAR_SUFIX_SERVICE_HOST),
            get_env_var_name(ServiceNameEnum.DLT, ENVVAR_SUFIX_SERVICE_PORT_GRPC),
        ])
        if len(env_vars) == 2:
            dlt_connector_client = DltConnectorClient()
            dlt_connector_client.connect()
            return dlt_connector_client
        return None

    def update_record(self, event: EventTypes) -> None:
        dlt_connector_client = self.get_dlt_connector_client()
        dlt_record_sender = DltRecordSender(self.context_client, dlt_connector_client)

        if isinstance(event, ContextEvent):
            LOGGER.debug('Processing ContextEvent({:s})'.format(grpc_message_to_json_string(event)))
            LOGGER.warning('Ignoring ContextEvent({:s})'.format(grpc_message_to_json_string(event)))

        elif isinstance(event, TopologyEvent):
            LOGGER.debug('Processing TopologyEvent({:s})'.format(grpc_message_to_json_string(event)))
            self.process_topology_event(event, dlt_record_sender)

        elif isinstance(event, DeviceEvent):
            LOGGER.debug('Processing DeviceEvent({:s})'.format(grpc_message_to_json_string(event)))
            self.process_device_event(event, dlt_record_sender)

        elif isinstance(event, LinkEvent):
            LOGGER.debug('Processing LinkEvent({:s})'.format(grpc_message_to_json_string(event)))
            self.process_link_event(event, dlt_record_sender)

        else:
            LOGGER.warning('Unsupported Event({:s})'.format(grpc_message_to_json_string(event)))

        dlt_record_sender.commit()
        if dlt_connector_client is not None:
            dlt_connector_client.close()

    def process_topology_event(self, event: TopologyEvent, dlt_record_sender: DltRecordSender) -> None:
        topology_id = event.topology_id
        topology_uuid = topology_id.topology_uuid.uuid
        context_id = topology_id.context_id
        context_uuid = context_id.context_uuid.uuid
        topology_uuids = {DEFAULT_TOPOLOGY_NAME, INTERDOMAIN_TOPOLOGY_NAME}

        context = self.context_client.GetContext(context_id)
        context_name = context.name

        topology_details = self.context_client.GetTopologyDetails(topology_id)
        topology_name = topology_details.name

        if ((context_uuid == DEFAULT_CONTEXT_NAME) or (context_name == DEFAULT_CONTEXT_NAME)) and \
                (topology_uuid not in topology_uuids) and (topology_name not in topology_uuids):
            for device in topology_details.devices:
                dlt_record_sender.add_device(topology_id, device)

            for link in topology_details.links:
                dlt_record_sender.add_link(topology_id, link)

        else:
            MSG = 'Ignoring ({:s}/{:s})({:s}/{:s}) TopologyEvent({:s})'
            args = context_uuid, context_name, topology_uuid, topology_name, grpc_message_to_json_string(event)
            LOGGER.warning(MSG.format(*args))


#Check which ID to use. 

    def process_device_event(self, event: DeviceEvent, dlt_record_sender: DltRecordSender) -> None:
        device_id = event.device_id
        device_uuid = device_id.device_uuid.uuid
        device = self.context_client.GetDevice(device_id)
        dlt_record_sender.add_device(device_id.context_id, device)

    def process_link_event(self, event: LinkEvent, dlt_record_sender: DltRecordSender) -> None:
        link_id = event.link_id
        link = self.context_client.GetLink(link_id)
        dlt_record_sender.add_link(link_id.context_id, link)