#! /usr/bin/env python import datetime import json import os import subprocess import traceback import urlparse import uuid import argparse import conf_utils import logger_utils import mongo2elastic_format import shared_utils logger = logger_utils.KibanaDashboardLogger('mongo2elastic').get parser = argparse.ArgumentParser(description='Modify and filter mongo json data for elasticsearch') parser.add_argument('-od', '--output-destination', default='elasticsearch', choices=('elasticsearch', 'stdout'), help='defaults to elasticsearch') parser.add_argument('-ml', '--merge-latest', default=0, type=int, metavar='N', help='get entries old at most N days from mongodb and' ' parse those that are not already in elasticsearch.' ' If not present, will get everything from mongodb, which is the default') parser.add_argument('-e', '--elasticsearch-url', default='http://localhost:9200', help='the url of elasticsearch, defaults to http://localhost:9200') parser.add_argument('-u', '--elasticsearch-username', default=None, help='The username with password for elasticsearch in format username:password') args = parser.parse_args() tmp_docs_file = './mongo-{}.json'.format(uuid.uuid4()) def _fix_date(date_string): if isinstance(date_string, dict): return date_string['$date'] else: return date_string[:-3].replace(' ', 'T') + 'Z' def verify_document(testcase): """ Mandatory fields: installer pod_name version case_name date project details these fields must be present and must NOT be None Optional fields: description these fields will be preserved if the are NOT None """ mandatory_fields = ['installer', 'pod_name', 'version', 'case_name', 'project_name', 'details'] mandatory_fields_to_modify = {'start_date': _fix_date} fields_to_swap_or_add = {'scenario': 'version'} if '_id' in testcase: mongo_id = testcase['_id'] else: mongo_id = None optional_fields = ['description'] for key, value in testcase.items(): if key in mandatory_fields: if value is None: # empty mandatory field, invalid input logger.info("Skipping testcase with mongo _id '{}' because the testcase was missing value" " for mandatory field '{}'".format(mongo_id, key)) return False else: mandatory_fields.remove(key) elif key in mandatory_fields_to_modify: if value is None: # empty mandatory field, invalid input logger.info("Skipping testcase with mongo _id '{}' because the testcase was missing value" " for mandatory field '{}'".format(mongo_id, key)) return False else: testcase[key] = mandatory_fields_to_modify[key](value) del mandatory_fields_to_modify[key] elif key in fields_to_swap_or_add: if value is None: swapped_key = fields_to_swap_or_add[key] swapped_value = testcase[swapped_key] logger.info("Swapping field '{}' with value None for '{}' with value '{}'.".format(key, swapped_key, swapped_value)) testcase[key] = swapped_value del fields_to_swap_or_add[key] else: del fields_to_swap_or_add[key] elif key in optional_fields: if value is None: # empty optional field, remove del testcase[key] optional_fields.remove(key) else: # unknown field del testcase[key] if len(mandatory_fields) > 0: # some mandatory fields are missing logger.info("Skipping testcase with mongo _id '{}' because the testcase was missing" " mandatory field(s) '{}'".format(mongo_id, mandatory_fields)) return False elif len(mandatory_fields_to_modify) > 0: # some mandatory fields are missing logger.info("Skipping testcase with mongo _id '{}' because the testcase was missing" " mandatory field(s) '{}'".format(mongo_id, mandatory_fields_to_modify.keys())) return False else: if len(fields_to_swap_or_add) > 0: for key, swap_key in fields_to_swap_or_add.iteritems(): testcase[key] = testcase[swap_key] return True def format_document(testcase): # 1. verify and identify the testcase # 2. if modification is implemented, then use that # 3. if not, try to use default # 4. if 2 or 3 is successful, return True, otherwise return False if verify_document(testcase): project = testcase['project_name'] case_name = testcase['case_name'] fmt = conf_utils.get_format(project, case_name) if fmt: try: logger.info("Processing %s/%s using format %s" % (project, case_name, fmt)) return vars(mongo2elastic_format)[fmt](testcase) except Exception: logger.error("Fail in format testcase[%s]\nerror message: %s" % (testcase, traceback.format_exc())) return False else: return False def export_documents(days): cmd = ['mongoexport', '--db', 'test_results_collection', '-c', 'results'] if days > 0: past_time = datetime.datetime.today() - datetime.timedelta(days=days) cmd += ['--query', '{{"start_date":{{$gt:"{}"}}}}'.format(past_time)] cmd += [ '--out', '{}'.format(tmp_docs_file)] try: subprocess.check_call(cmd) except Exception, err: logger.error("export mongodb failed: %s" % err) exit(-1) def publish_document(document, es_creds, to): status, data = shared_utils.publish_json(document, es_creds, to) if status > 300: logger.error('Publish record[{}] failed, due to [{}]' .format(document, json.loads(data)['error']['reason'])) def publish_nonexist_documents(elastic_docs, es_creds, to): try: with open(tmp_docs_file) as fdocs: for doc_line in fdocs: doc = json.loads(doc_line) if format_document(doc) and doc not in elastic_docs: publish_document(doc, es_creds, to) finally: fdocs.close() if os.path.exists(tmp_docs_file): os.remove(tmp_docs_file) if __name__ == '__main__': base_elastic_url = urlparse.urljoin(args.elasticsearch_url, '/test_results/mongo2elastic') to = args.output_destination days = args.merge_latest es_creds = args.elasticsearch_username if to == 'elasticsearch': to = base_elastic_url export_documents(days) elastic_docs = shared_utils.get_elastic_docs_by_days(base_elastic_url, es_creds, days) logger.info('number of hits in elasticsearch for now-{}d: {}'.format(days, len(elastic_docs))) publish_nonexist_documents(elastic_docs, es_creds, to)