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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
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)
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