app.py

#!/usr/bin/env python
#------------------------------------------------------------------------------
#
# Project: prism view server
# Authors: Fabian Schindler <fabian.schindler@eox.at>
#
#------------------------------------------------------------------------------
# Copyright (C) 2020 EOX IT Services GmbH <https://eox.at>
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to
# deal in the Software without restriction, including without limitation the
# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
# sell copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies of this Software or works derived from this Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
# IN THE SOFTWARE.
#-----------------------------------------------------------------------------

import os
import logging
import logging.config
import json

from flask import Flask, request, Response
import redis

from ingestor.browse_report import parse_browse_report
from ingestor.util import converter, save_endpoint_report, browse_name


application = Flask(__name__)

logger = logging.getLogger(__name__)

logging.config.dictConfig({
    'version': 1,
    'disable_existing_loggers': False,
    'formatters': {
        'simple': {
            'format': '%(levelname)s: %(message)s',
        },
        'verbose': {
            'format': '[%(asctime)s][%(module)s] %(levelname)s: %(message)s',
        }
    },
    'handlers': {
        'console': {
            'level': 'DEBUG',
            'class': 'logging.StreamHandler',
            'formatter': 'verbose',
        }
    },
    'loggers': {
        '': {
            'handlers': ['console'],
            'level': 'DEBUG',
            'propagate': False,
        }
    }
})

client = redis.Redis(
    host=os.environ['REDIS_HOST'],
    port=int(os.environ.get('REDIS_PORT', '6379')),
    charset="utf-8",
    decode_responses=True,
)

queue_name = os.environ['REDIS_PREPROCESS_MD_QUEUE_KEY']

@application.route('/', methods=['POST'])
def ingest():
    request.get_data()
    browse_report = parse_browse_report(request.data)
    logger.debug(browse_report)
    if isinstance(browse_report, str):
        queue_content = browse_report
        filename = queue_content
    else:
        queue_content = json.dumps(
            browse_report, default=converter
        )
        filename = browse_name(browse_report)
    try:
        client.lpush(queue_name, queue_content)
        
        save_endpoint_report(filename, request.data, True)
        return Response(status=202)

    except Exception as e:
        save_endpoint_report(filename, request.data, False) 
        return Response(str(e), status=400)