X-Git-Url: https://osm.etsi.org/gitweb/?a=blobdiff_plain;f=osm_mon%2Fcore%2Fmessage_bus%2Fcommon_consumer.py;h=e32fa2bba7e691977598cec7e7d6a52e666a61ef;hb=27784a805d77f11d049e9a16704e6977e6967e85;hp=e79e98adc5c3dbdbe48595fdde0ce9a3650e438d;hpb=181cce8e28a9b6c5c6fa1fa8aa515de3b187a2e1;p=osm%2FMON.git diff --git a/osm_mon/core/message_bus/common_consumer.py b/osm_mon/core/message_bus/common_consumer.py index e79e98a..e32fa2b 100755 --- a/osm_mon/core/message_bus/common_consumer.py +++ b/osm_mon/core/message_bus/common_consumer.py @@ -21,148 +21,182 @@ import json import logging -import os import sys +import time +from json import JSONDecodeError -logging.basicConfig(stream=sys.stdout, - format='%(asctime)s %(message)s', - datefmt='%m/%d/%Y %I:%M:%S %p', - level=logging.INFO) -log = logging.getLogger(__name__) - -sys.path.append(os.path.abspath(os.path.join(os.path.realpath(__file__), '..', '..', '..', '..'))) - -from kafka import KafkaConsumer - -from osm_mon.plugins.OpenStack.Aodh import alarming -from osm_mon.plugins.OpenStack.Gnocchi import metrics +import six +import yaml +from osm_mon.common.common_db_client import CommonDbClient +from osm_mon.core.auth import AuthManager +from osm_mon.core.database import DatabaseManager +from osm_mon.core.message_bus.consumer import Consumer +from osm_mon.core.message_bus.producer import Producer +from osm_mon.core.settings import Config +from osm_mon.plugins.CloudWatch.access_credentials import AccessCredentials +from osm_mon.plugins.CloudWatch.connection import Connection from osm_mon.plugins.CloudWatch.plugin_alarm import plugin_alarms from osm_mon.plugins.CloudWatch.plugin_metric import plugin_metrics -from osm_mon.plugins.CloudWatch.connection import Connection -from osm_mon.plugins.CloudWatch.access_credentials import AccessCredentials - +from osm_mon.plugins.OpenStack.Aodh import alarm_handler +from osm_mon.plugins.OpenStack.Gnocchi import metric_handler from osm_mon.plugins.vRealiseOps import plugin_receiver -from osm_mon.core.auth import AuthManager -from osm_mon.core.database import DatabaseManager - -# Initialize servers -if "BROKER_URI" in os.environ: - server = {'server': os.getenv("BROKER_URI")} -else: - server = {'server': 'localhost:9092'} - -# Initialize consumers for alarms and metrics -common_consumer = KafkaConsumer(bootstrap_servers=server['server'], - key_deserializer=bytes.decode, - value_deserializer=bytes.decode, - group_id="mon-consumer") - -auth_manager = AuthManager() -database_manager = DatabaseManager() -database_manager.create_tables() - -# Create OpenStack alarming and metric instances -openstack_metrics = metrics.Metrics() -openstack_alarms = alarming.Alarming() - -# Create CloudWatch alarm and metric instances -cloudwatch_alarms = plugin_alarms() -cloudwatch_metrics = plugin_metrics() -aws_connection = Connection() -aws_access_credentials = AccessCredentials() - -# Create vROps plugin_receiver class instance -vrops_rcvr = plugin_receiver.PluginReceiver() - - -def get_vim_type(message): - """Get the vim type that is required by the message.""" - try: - return json.loads(message.value)["vim_type"].lower() - except Exception as exc: - log.warn("vim_type is not configured correctly; %s", exc) - return None - - -# Define subscribe the consumer for the plugins -topics = ['metric_request', 'alarm_request', 'access_credentials', 'vim_account'] -# TODO: Remove access_credentials -common_consumer.subscribe(topics) - -log.info("Listening for alarm_request and metric_request messages") -for message in common_consumer: - log.info("Message arrived: %s", message) - try: - values = json.loads(message.value) - # Check the message topic - if message.topic == "metric_request": - # Check the vim desired by the message - vim_type = get_vim_type(message) - - if vim_type == "openstack": - log.info("This message is for the OpenStack plugin.") - openstack_metrics.metric_calls(message) - elif vim_type == "aws": - log.info("This message is for the CloudWatch plugin.") - aws_conn = aws_connection.setEnvironment() - cloudwatch_metrics.metric_calls(message, aws_conn) - - elif vim_type == "vmware": - log.info("This metric_request message is for the vROPs plugin.") - vrops_rcvr.consume(message) +cfg = Config.instance() - else: - log.debug("vim_type is misconfigured or unsupported; %s", - vim_type) - - elif message.topic == "alarm_request": - # Check the vim desired by the message - vim_type = get_vim_type(message) - if vim_type == "openstack": - log.info("This message is for the OpenStack plugin.") - openstack_alarms.alarming(message) - - elif vim_type == "aws": - log.info("This message is for the CloudWatch plugin.") - aws_conn = aws_connection.setEnvironment() - cloudwatch_alarms.alarm_calls(message, aws_conn) - - elif vim_type == "vmware": - log.info("This alarm_request message is for the vROPs plugin.") - vrops_rcvr.consume(message) - - else: - log.debug("vim_type is misconfigured or unsupported; %s", - vim_type) - - elif message.topic == "vim_account": - if message.key == "create" or message.key == "edit": - auth_manager.store_auth_credentials(values) - if message.key == "delete": - auth_manager.delete_auth_credentials(values) - - # TODO: Remove in the near future when all plugins support vim_uuid. Modify tests accordingly. - elif message.topic == "access_credentials": - # Check the vim desired by the message - vim_type = get_vim_type(message) - - if vim_type == "aws": - log.info("This message is for the CloudWatch plugin.") - aws_access_credentials.access_credential_calls(message) +logging.basicConfig(stream=sys.stdout, + format='%(asctime)s - %(name)s - %(levelname)s - %(message)s', + datefmt='%m/%d/%Y %I:%M:%S %p', + level=logging.getLevelName(cfg.OSMMON_LOG_LEVEL)) +log = logging.getLogger(__name__) - elif vim_type == "vmware": - log.info("This access_credentials message is for the vROPs plugin.") - vrops_rcvr.consume(message) +kafka_logger = logging.getLogger('kafka') +kafka_logger.setLevel(logging.getLevelName(cfg.OSMMON_KAFKA_LOG_LEVEL)) + + +class CommonConsumer: + + def __init__(self): + self.auth_manager = AuthManager() + self.database_manager = DatabaseManager() + self.database_manager.create_tables() + + # Create OpenStack alarming and metric instances + self.openstack_metrics = metric_handler.OpenstackMetricHandler() + self.openstack_alarms = alarm_handler.OpenstackAlarmHandler() + + # Create CloudWatch alarm and metric instances + self.cloudwatch_alarms = plugin_alarms() + self.cloudwatch_metrics = plugin_metrics() + self.aws_connection = Connection() + self.aws_access_credentials = AccessCredentials() + + # Create vROps plugin_receiver class instance + self.vrops_rcvr = plugin_receiver.PluginReceiver() + + log.info("Connecting to MongoDB...") + self.common_db = CommonDbClient() + log.info("Connection successful.") + + def get_vim_type(self, vim_uuid): + """Get the vim type that is required by the message.""" + credentials = self.database_manager.get_credentials(vim_uuid) + return credentials.type + + def run(self): + common_consumer = Consumer("mon-consumer") + + topics = ['metric_request', 'alarm_request', 'vim_account'] + common_consumer.subscribe(topics) + retries = 1 + max_retries = 5 + while True: + try: + common_consumer.poll() + common_consumer.seek_to_end() + break + except Exception: + log.error("Error getting Kafka partitions. Maybe Kafka is not ready yet.") + log.error("Retry number %d of %d", retries, max_retries) + if retries >= max_retries: + log.error("Achieved max number of retries. Logging exception and exiting...") + log.exception("Exception: ") + return + retries = retries + 1 + time.sleep(2) + + log.info("Listening for messages...") + for message in common_consumer: + self.consume_message(message) + + def consume_message(self, message): + log.info("Message arrived: %s", message) + try: + try: + values = json.loads(message.value) + except JSONDecodeError: + values = yaml.safe_load(message.value) + + response = None + + if message.topic == "vim_account": + if message.key == "create" or message.key == "edit": + self.auth_manager.store_auth_credentials(values) + if message.key == "delete": + self.auth_manager.delete_auth_credentials(values) else: - log.debug("vim_type is misconfigured or unsupported; %s", - vim_type) - - else: - log.info("This topic is not relevant to any of the MON plugins.") - - - except Exception as exc: - log.exception("Exception: %s") + # Get ns_id from message + # TODO: Standardize all message models to avoid the need of figuring out where are certain fields + contains_list = False + list_index = None + for k, v in six.iteritems(values): + if isinstance(v, dict): + if 'ns_id' in v: + contains_list = True + list_index = k + break + if not contains_list and 'ns_id' in values: + ns_id = values['ns_id'] + else: + ns_id = values[list_index]['ns_id'] + + vnf_index = values[list_index]['vnf_member_index'] if contains_list else values['vnf_member_index'] + + # Check the vim desired by the message + vnfr = self.common_db.get_vnfr(ns_id, vnf_index) + vim_uuid = vnfr['vim-account-id'] + + if (contains_list and 'vdu_name' in values[list_index]) or 'vdu_name' in values: + vdu_name = values[list_index]['vdu_name'] if contains_list else values['vdu_name'] + vdur = self.common_db.get_vdur(ns_id, vnf_index, vdu_name) + if contains_list: + values[list_index]['resource_uuid'] = vdur['vim-id'] + else: + values['resource_uuid'] = vdur['vim-id'] + message = message._replace(value=json.dumps(values)) + + vim_type = self.get_vim_type(vim_uuid) + + if vim_type == "openstack": + log.info("This message is for the OpenStack plugin.") + if message.topic == "metric_request": + response = self.openstack_metrics.handle_request(message.key, values, vim_uuid) + if message.topic == "alarm_request": + response = self.openstack_alarms.handle_message(message.key, values, vim_uuid) + + elif vim_type == "aws": + log.info("This message is for the CloudWatch plugin.") + aws_conn = self.aws_connection.setEnvironment() + if message.topic == "metric_request": + response = self.cloudwatch_metrics.metric_calls(message.key, values, aws_conn) + if message.topic == "alarm_request": + response = self.cloudwatch_alarms.alarm_calls(message.key, values, aws_conn) + + elif vim_type == "vmware": + log.info("This metric_request message is for the vROPs plugin.") + if message.topic == "metric_request": + response = self.vrops_rcvr.handle_metric_requests(message.key, values, vim_uuid) + if message.topic == "alarm_request": + response = self.vrops_rcvr.handle_alarm_requests(message.key, values, vim_uuid) + + else: + log.debug("vim_type is misconfigured or unsupported; %s", + vim_type) + if response: + self._publish_response(message.topic, message.key, response) + + except Exception: + log.exception("Exception processing message: ") + + def _publish_response(self, topic: str, key: str, msg: dict): + topic = topic.replace('request', 'response') + key = key.replace('request', 'response') + producer = Producer() + producer.send(topic=topic, key=key, value=json.dumps(msg)) + producer.flush(timeout=5) + producer.close() + + +if __name__ == '__main__': + CommonConsumer().run()