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#! /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
def _fix_date(date_string):
if isinstance(date_string, dict):
return date_string['$date']
else:
return date_string[:-3].replace(' ', 'T') + 'Z'
def verify_mongo_entry(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 modify_mongo_entry(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):
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 modify testcase[%s]\nerror message: %s" % (testcase, traceback.format_exc()))
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 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
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)
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)
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
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')
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