diff options
Diffstat (limited to 'scripts/mongo_to_elasticsearch.py')
| -rw-r--r-- | scripts/mongo_to_elasticsearch.py | 146 |
1 files changed, 60 insertions, 86 deletions
diff --git a/scripts/mongo_to_elasticsearch.py b/scripts/mongo_to_elasticsearch.py index ea515bc..b722793 100644 --- a/scripts/mongo_to_elasticsearch.py +++ b/scripts/mongo_to_elasticsearch.py @@ -16,6 +16,27 @@ 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): @@ -24,7 +45,7 @@ def _fix_date(date_string): return date_string[:-3].replace(' ', 'T') + 'Z' -def verify_mongo_entry(testcase): +def verify_document(testcase): """ Mandatory fields: installer @@ -109,12 +130,12 @@ def verify_mongo_entry(testcase): return True -def modify_mongo_entry(testcase): +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_mongo_entry(testcase): + if verify_document(testcase): project = testcase['project_name'] case_name = testcase['case_name'] fmt = conf_utils.get_format(project, case_name) @@ -123,103 +144,56 @@ def modify_mongo_entry(testcase): logger.info("Processing %s/%s using format %s" % (project, case_name, fmt)) return vars(mongo2elastic_format)[fmt](testcase) except Exception: - logger.error("Fail in modify testcase[%s]\nerror message: %s" % (testcase, traceback.format_exc())) + logger.error("Fail in format testcase[%s]\nerror message: %s" % (testcase, traceback.format_exc())) + return False else: return False -def publish_mongo_data(output_destination): - tmp_filename = 'mongo-{}.log'.format(uuid.uuid4()) - try: - subprocess.check_call(['mongoexport', - '--db', 'test_results_collection', - '-c', 'results', - '--out', tmp_filename]) - with open(tmp_filename) as fobj: - for mongo_json_line in fobj: - test_result = json.loads(mongo_json_line) - if modify_mongo_entry(test_result): - status, data = shared_utils.publish_json(test_result, es_creds, output_destination) - if status > 300: - project = test_result['project_name'] - case_name = test_result['case_name'] - logger.info('project {} case {} publish failed, due to [{}]' - .format(project, case_name, json.loads(data)['error']['reason'])) - finally: - if os.path.exists(tmp_filename): - os.remove(tmp_filename) - +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":{{$gt:"{}"}}}}'.format(past_time)] + cmd += [ '--out', '{}'.format(tmp_docs_file)] -def get_mongo_data(days): - past_time = datetime.datetime.today() - datetime.timedelta(days=days) - mongo_json_lines = subprocess.check_output(['mongoexport', '--db', 'test_results_collection', '-c', 'results', - '--query', '{{"start_date":{{$gt:"{}"}}}}' - .format(past_time)]).splitlines() - - mongo_data = [] - for mongo_json_line in mongo_json_lines: - test_result = json.loads(mongo_json_line) - if modify_mongo_entry(test_result): - # if the modification could be applied, append the modified result - mongo_data.append(test_result) - return mongo_data + try: + subprocess.check_call(cmd) + except Exception, err: + logger.error("export mongodb failed: %s" % err) + exit(-1) -def publish_difference(mongo_data, elastic_data, output_destination, es_creds): - for elastic_entry in elastic_data: - if elastic_entry in mongo_data: - mongo_data.remove(elastic_entry) +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'])) - logger.info('number of parsed test results: {}'.format(len(mongo_data))) - for parsed_test_result in mongo_data: - shared_utils.publish_json(parsed_test_result, es_creds, output_destination) +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__': - 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() base_elastic_url = urlparse.urljoin(args.elasticsearch_url, '/test_results/mongo2elastic') - output_destination = args.output_destination + to = args.output_destination days = args.merge_latest es_creds = args.elasticsearch_username - if output_destination == 'elasticsearch': - output_destination = base_elastic_url - - # parsed_test_results will be printed/sent to elasticsearch - if days == 0: - publish_mongo_data(output_destination) - elif days > 0: - body = '''{{ - "query" : {{ - "range" : {{ - "start_date" : {{ - "gte" : "now-{}d" - }} - }} - }} -}}'''.format(days) - elastic_data = shared_utils.get_elastic_data(base_elastic_url, es_creds, body) - logger.info('number of hits in elasticsearch for now-{}d: {}'.format(days, len(elastic_data))) - mongo_data = get_mongo_data(days) - publish_difference(mongo_data, elastic_data, output_destination, es_creds) - else: - raise Exception('Update must be non-negative') + 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) |