nemesis/python_nemesis/worker/__init__.py

54 lines
1.8 KiB
Python

# -*- coding: utf-8 -*-
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from flask import current_app
import oslo_messaging
from python_nemesis.extensions import log
from python_nemesis.swift import download_from_swift
class NewFileEndpoint(object):
filter_rule = oslo_messaging.NotificationFilter(
event_type='nemsis.new_file')
def info(self, ctxt, publisher_id, event_type, payload, metadata):
file_uuid = payload['file_uuid']
file_id = payload['file_id']
log.logger.info("Fetched file_id %s to work on from the queue."
% file_id)
log.logger.info("Downloading file from Swift for analysis.")
download_from_swift(file_uuid)
def run_worker():
cfg = current_app.config['cfg']
transport = oslo_messaging.get_notification_transport(cfg)
targets = [
oslo_messaging.Target(topic='nemesis_notifications')
]
endpoints = [
NewFileEndpoint()
]
pool = "nemesis_notifications.info"
server = oslo_messaging.get_notification_listener(transport,
targets,
endpoints,
pool=pool)
server.start()
server.wait()