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Merge pull request #339 from guardicore/feature/337-check-mongo-version 

[DONE] Added assertion of mongo db version.
This commit is contained in:
Shay Nehmad 2019-06-12 18:29:25 +03:00 committed by GitHub
parent 16306f86bb 65ca86f6c0
commit 4d184d5723
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 38 additions and 5 deletions
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11
monkey/monkey_island/cc/database.py
View File

@ -25,3 +25,14 @@ def is_db_server_up(mongo_url):
return True
except ServerSelectionTimeoutError:
return False
def get_db_version(mongo_url):
"""
Return the mongo db version
:param mongo_url: Which mongo to check.
:return: version as a tuple (e.g. `(u'4', u'0', u'8')`)
"""
client = MongoClient(mongo_url, serverSelectionTimeoutMS=100)
server_version = tuple(client.server_info()['version'].split('.'))
return server_version

32
monkey/monkey_island/cc/main.py
View File

@ -6,6 +6,8 @@ import sys
import time
import logging
MINIMUM_MONGO_DB_VERSION_REQUIRED = "3.6.0"
BASE_PATH = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
if BASE_PATH not in sys.path:
@ -22,7 +24,7 @@ from monkey_island.cc.app import init_app
from monkey_island.cc.exporter_init import populate_exporter_list
from monkey_island.cc.utils import local_ip_addresses
from monkey_island.cc.environment.environment import env
from monkey_island.cc.database import is_db_server_up
from monkey_island.cc.database import is_db_server_up, get_db_version
def main():
@ -31,10 +33,8 @@ def main():
from tornado.ioloop import IOLoop
mongo_url = os.environ.get('MONGO_URL', env.get_mongo_url())
while not is_db_server_up(mongo_url):
logger.info('Waiting for MongoDB server')
time.sleep(1)
wait_for_mongo_db_server(mongo_url)
assert_mongo_db_version(mongo_url)
populate_exporter_list()
app = init_app(mongo_url)
@ -55,5 +55,27 @@ def main():
IOLoop.instance().start()
def wait_for_mongo_db_server(mongo_url):
while not is_db_server_up(mongo_url):
logger.info('Waiting for MongoDB server on {0}'.format(mongo_url))
time.sleep(1)
def assert_mongo_db_version(mongo_url):
"""
Checks if the mongodb version is new enough for running the app.
If the DB is too old, quits.
:param mongo_url: URL to the mongo the Island will use
"""
required_version = tuple(MINIMUM_MONGO_DB_VERSION_REQUIRED.split("."))
server_version = get_db_version(mongo_url)
if server_version < required_version:
logger.error(
'Mongo DB version too old. {0} is required, but got {1}'.format(str(required_version), str(server_version)))
sys.exit(-1)
else:
logger.info('Mongo DB version OK. Got {0}'.format(str(server_version)))
if __name__ == '__main__':
main()