def cache_get_key(token):
if not can_connect_to_database():
return None
try:
key = Key.get_by_token(token)
except Exception as e:
logging.getLogger(__name__).error('No access to table key (error: {})'.format(e))
g.can_connect_to_database = False
return None
return key
def uncached_get_user(token):
logging.getLogger(__name__).debug('Get User from token (uncached)')
if not can_connect_to_database():
logging.getLogger(__name__).debug('Cannot connect to database, we set User to None')
return None
try:
user = User.get_from_token(token, datetime.datetime.now())
except Exception as e:
logging.getLogger(__name__).error('No access to table User (error: {})'.format(e))
g.can_connect_to_database = False
return None
return user
def _get_models(self):
if app.config['DISABLE_DATABASE']:
return None
if not can_connect_to_database():
return self.instance_db
try:
instance_db = models.Instance.get_by_name(self.name)
except Exception as e:
logging.getLogger(__name__).error('No access to table instance (error: {})'.format(e))
g.can_connect_to_database = False
return self.instance_db
self.instance_db = instance_db
return self.instance_db
def update_from_db(self):
if not can_connect_to_database():
self.logger.debug('Database is not accessible')
self.last_update = datetime.datetime.utcnow()
return
if not self.db_configs_getter:
return
if self.last_update + datetime.timedelta(
seconds=self.update_interval) > datetime.datetime.utcnow():
return
configs = self.db_configs_getter()
self.init(configs)
self.last_update = datetime.datetime.utcnow()
def _filter_authorized_instances(self, instances, api):
if not instances:
return None
# During the period database is not accessible, all the instances are valid for the user.
if not can_connect_to_database():
return instances
user = authentication.get_user(token=authentication.get_token())
valid_instances = [
i for i in instances if authentication.has_access(
i.name, abort=False, user=user, api=api)
]
if not valid_instances:
context = 'User has no access to any instance'
authentication.abort_request(user, context)
return valid_instances
def get(self, region=None, lon=None, lat=None):
region_str = i_manager.get_region(region, lon, lat)
response = protobuf_to_dict(i_manager.dispatch(
{}, "status", instance_name=region_str),
use_enum_labels=True)
instance = i_manager.instances[region_str]
add_common_status(response, instance)
response['status']['parameters'] = instance
response['status'][
'traveler_profiles'] = travelers_profile.TravelerProfile.get_profiles_by_coverage(
region_str)
logging.getLogger(__name__).info("status reponse: %s", response)
response['status']['configuration_database'] = (
'connected' if can_connect_to_database() else 'no_SQL_connection')
return response, 200
def has_access(region, api, abort, user):
"""
Check the Authorization of the current user for this region and this API.
If abort is True, the request is aborted with the appropriate HTTP code.
Warning: Please this function is cached therefore it should not be
dependent of the request context, so keep it as a pure function.
"""
# if jormungandr is on public mode or database is not accessible, we skip the authentication process
logging.getLogger(__name__).debug('User "has_access" to region/api not cached')
if current_app.config.get('PUBLIC', False) or (not can_connect_to_database()):
return True
if not user:
# no user --> no need to continue, we can abort, a user is mandatory even for free region
# To manage database error of the following type we should fetch one more time from database
# Can connect to database but at least one table/attribute is not accessible due to transaction problem
if can_read_user():
context = 'User is undefined, but table users is accessible in database'
abort_request(user=user, context=context)
else:
return True
try:
model_instance = Instance.get_by_name(region)
except Exception as e:
logging.getLogger(__name__).error('No access to table Instance (error: {})'.format(e))
g.can_connect_to_database = False
return True
if not model_instance:
if abort:
raise RegionNotFound(region)
return False
if (model_instance.is_free and user.have_access_to_free_instances) or user.has_access(
model_instance.id, api
):
return True
else:
if abort:
context = 'User has no permission to access this api {} or instance {}'.format(
api, model_instance.id
)
abort_request(user=user, context=context)
else:
return False
def update_config(self):
if (
self._last_update + datetime.timedelta(seconds=self._update_interval) > datetime.datetime.utcnow()
or not self._providers_getter
):
return
logger = logging.getLogger(__name__)
# If database is not accessible we update the value of self._last_update and exit
if not can_connect_to_database():
logger.debug('Database is not accessible')
self._last_update = datetime.datetime.utcnow()
return
logger.debug('updating bss providers')
self._last_update = datetime.datetime.utcnow()
try:
providers = self._providers_getter()
except Exception as e:
logger.exception('No access to table bss_provider (error: {})'.format(e))
# database is not accessible, so let's use the values already present in self._bss_providers and
# self._bss_providers_legacy
return
if not providers:
logger.debug('all providers have be disabled')
self._bss_providers = {}
self._bss_providers_last_update = {}
return
logger.debug('updating with %s', providers)
for provider in providers:
# it's a new bss provider or it has been updated, we add it
if (
provider.id not in self._bss_providers_last_update
or provider.last_update() > self._bss_providers_last_update[provider.id]
):
self.update_provider(provider)
# remove deleted providers
for to_delete in set(self._bss_providers.keys()) - {p.id for p in providers}:
del self._bss_providers[to_delete]
del self._bss_providers_last_update[to_delete]
logger.info('deleting bss provider %s', to_delete)
def get(self):
response = {
"jormungandr_version":
__version__,
"regions": [],
"bss_providers": [
provider.status()
for provider in bss_provider_manager.get_providers()
],
}
regions = i_manager.get_regions()
for key_region in regions:
req = request_pb2.Request()
instance = i_manager.instances[key_region]
req.requested_api = type_pb2.STATUS
try:
resp = instance.send_and_receive(req, timeout=1000)
raw_resp_dict = protobuf_to_dict(resp, use_enum_labels=True)
add_common_status(raw_resp_dict, instance)
resp_dict = CommonStatusSerializer(
raw_resp_dict['status']).data
except DeadSocketException:
resp_dict = {
"status": "dead",
"realtime_proxies": [],
"error": {
"code": "dead_socket",
"value": "The region {} is dead".format(key_region)
},
}
resp_dict['region_id'] = key_region
response['regions'].append(resp_dict)
# if we use our implementation of redisCache display the status
cache_status_op = getattr(cache.cache, "status", None)
if callable(cache_status_op):
response['redis'] = cache_status_op()
response[
'configuration_database'] = 'connected' if can_connect_to_database(
) else 'no_SQL_connection'
return response
def update_config(self):
"""
Update list of external services from db
"""
if (self._last_update + datetime.timedelta(
seconds=self._update_interval) > datetime.datetime.utcnow()
or not self._external_service_getter):
return
# If database is not accessible we update the value of self._last_update and exit
if not can_connect_to_database():
self.logger.debug('Database is not accessible')
self._last_update = datetime.datetime.utcnow()
return
self.logger.debug('Updating external services from db')
self._last_update = datetime.datetime.utcnow()
try:
services = self._external_service_getter()
except Exception as e:
self.logger.error(
'No access to table external_service (error: {})'.format(e))
# database is not accessible, so let's use the values already present in self._external_services_legacy
return
if not services:
self.logger.debug(
'No external service/All external services disabled in db')
self._external_services_last_update = {}
return
if not self._need_update(services):
return
# We update all the services if any one of them is updated
self._external_services_from_db = {}
for service in services:
self._update_external_service(service)
# If any external service is present in database, service from configuration file in no more used.
self._external_services_legacy = self._external_services_from_db
def add_info_newrelic(response, *args, **kwargs):
try:
record_custom_parameter('navitia-request-id', request.id)
if can_connect_to_database():
token = get_token()
user = get_user(token=token, abort_if_no_token=False)
app_name = get_app_name(token)
if user:
record_custom_parameter('user_id', str(user.id))
record_custom_parameter('token_name', app_name)
record_custom_parameter('version', __version__)
coverages = get_used_coverages()
if coverages:
record_custom_parameter('coverage', coverages[0])
except:
logger = logging.getLogger(__name__)
logger.exception('error while reporting to newrelic:')
return response
def update_config(self):
"""
Update list of equipment providers from db
"""
if (
self._last_update + datetime.timedelta(seconds=self._update_interval) > datetime.datetime.utcnow()
or not self._providers_getter
):
return
# If database is not accessible we update the value of self._last_update and exit
if not can_connect_to_database():
self.logger.debug('Database is not accessible')
self._last_update = datetime.datetime.utcnow()
return
self.logger.debug('Updating equipment providers from db')
self._last_update = datetime.datetime.utcnow()
try:
providers = self._providers_getter()
except Exception as e:
self.logger.exception('No access to table equipments_provider (error: {})'.format(e))
# database is not accessible, so let's use the values already present in self._equipment_providers and
# self._equipment_providers_legacy
return
if not providers:
self.logger.debug('No providers/All providers disabled in db')
self._equipment_providers = {}
self._equipment_providers_last_update = {}
return
for provider in providers:
if (
provider.id not in self._equipment_providers_last_update
or provider.last_update() > self._equipment_providers_last_update[provider.id]
):
self._update_provider(provider)
def make_traveler_profile(cls, coverage, traveler_type):
# type: (Text, Text) -> TravelerProfile
"""
travelers_profile factory method,
Return a traveler_profile constructed with default params or params retrieved from db
"""
if app.config[str(
'DISABLE_DATABASE')] or not can_connect_to_database():
return default_traveler_profiles[traveler_type]
# retrieve TravelerProfile from db with coverage and traveler_type
# if the record doesn't exist, we use pre-defined default traveler profile
try:
model = models.TravelerProfile.get_by_coverage_and_type(
coverage, traveler_type)
except Exception as e:
logging.getLogger(__name__).error(
'No access to table traveler_profile (error: {})'.format(e))
# If the table is not accessible return the default traveler profile for given traveler type
return default_traveler_profiles[traveler_type]
if model is None:
return default_traveler_profiles[traveler_type]
return cls(
traveler_type=traveler_type,
walking_speed=model.walking_speed,
bike_speed=model.bike_speed,
car_speed=model.car_speed,
bss_speed=model.bss_speed,
wheelchair=model.wheelchair,
max_walking_duration_to_pt=model.max_walking_duration_to_pt,
max_bss_duration_to_pt=model.max_bss_duration_to_pt,
max_bike_duration_to_pt=model.max_bike_duration_to_pt,
max_car_duration_to_pt=model.max_car_duration_to_pt,
first_section_mode=model.first_section_mode,
last_section_mode=model.last_section_mode,
is_from_db=True,
)
def update_config(self):
"""
Update list of ridesharing services from db
"""
if (self._last_update + datetime.timedelta(
seconds=self._update_interval) > datetime.datetime.utcnow()
or not self._rs_services_getter):
return
# If database is not accessible we update the value of self._last_update and exit
if not can_connect_to_database():
self.logger.debug('Database is not accessible')
self._last_update = datetime.datetime.utcnow()
return
self.logger.debug('Updating ridesharing services from db')
self._last_update = datetime.datetime.utcnow()
try:
services = self._rs_services_getter()
except Exception as e:
self.logger.exception(
'Failure to retrieve ridesharing services configuration (error: {})'
.format(e))
# database is not accessible, so let's use the values already present in self._ridesharing_services_legacy
return
if not services:
self.logger.debug('No ridesharing services available in db')
self._ridesharing_services = {}
self._ridesharing_services_last_update = {}
return
for service in services:
if (service.id not in self._ridesharing_services_last_update
or service.last_update() >
self._ridesharing_services_last_update[service.id]):
self._update_ridesharing_service(service)
def _can_connect_to_database(self):
return can_connect_to_database()
