blob: 5be1abe8e42dcee608d1e85bffae3bd4662c00af [file] [log] [blame]
# Copyright 2018 The LUCI Authors. All rights reserved.
# Use of this source code is governed under the Apache License, Version 2.0
# that can be found in the LICENSE file.
"""This modules is imported by AppEngine and defines the backend 'app' object.
It is a separate file so that application bootstrapping code like ereporter2,
that shouldn't be done in unit tests, can be done safely. This file must be
tested via a smoke test.
"""
import os
import sys
APP_DIR = os.path.dirname(os.path.abspath(__file__))
sys.path.insert(0, os.path.join(APP_DIR, 'components', 'third_party'))
from google.appengine.ext import ndb
from components import ereporter2
from components import utils
import gae_ts_mon
import handlers_backend
import ts_mon_metrics
from server import acl
from server import config
from server import pools_config
# pylint: disable=redefined-outer-name
def create_application():
ereporter2.register_formatter()
# Zap out the ndb in-process cache by default.
# This cache causes excessive memory usage in in handler where a lot of
# entities are fetched in one query. When coupled with high concurrency
# as specified via max_concurrent_requests in app.yaml, this may cause out of
# memory errors.
ndb.Context.default_cache_policy = staticmethod(lambda _key: False)
ndb.Context._cache_policy = staticmethod(lambda _key: False)
# If running on a local dev server, allow bots to connect without prior
# groups configuration. Useful when running smoke test.
if utils.is_local_dev_server():
acl.bootstrap_dev_server_acls()
pools_config.bootstrap_dev_server_acls()
def is_enabled_callback():
return config.settings().enable_ts_monitoring
backend_app = handlers_backend.create_application(False)
gae_ts_mon.initialize(backend_app, is_enabled_fn=is_enabled_callback)
ts_mon_metrics.initialize()
utils.report_memory(backend_app)
return backend_app
app = create_application()