def process_update(self, stream_name, updates, resync):
"""
Handle config updates. Resync is ignored since the entire config
structure is passed in every update.
Inputs:
- updates - list of GatewayConfigs protobuf structures
- resync - boolean indicating whether all database information will be
resent (hence cached data can be discarded). This is ignored
since config is contained in one DB element, hence all
data is sent in every update.
"""
if len(updates) == 0:
logging.info('No config update to process')
return
# We will only take the last update
for update in updates[:-1]:
logging.info('Ignoring config update %s', update.key)
# Deserialize and store the last config update
logging.info('Processing config update %s', updates[-1].key)
mconfig_str = updates[-1].value.decode()
mconfig = self._mconfig_manager.deserialize_mconfig(
mconfig_str,
self._allow_unknown_fields,
)
if 'magmad' not in mconfig.configs_by_key:
logging.error('Invalid config! Magmad service config missing')
return
self._mconfig_manager.update_stored_mconfig(mconfig_str)
self._magmad_service.reload_mconfig()
def did_mconfig_change(serv_name):
return mconfig.configs_by_key.get(serv_name) != \
self._mconfig.configs_by_key.get(serv_name)
# Reload magmad configs locally
if did_mconfig_change('magmad'):
self._loop.create_task(
self._service_manager.update_dynamic_services(
load_service_mconfig(
'magmad', mconfigs_pb2.MagmaD()).dynamic_services, ), )
services_to_restart = [
srv for srv in self._services if did_mconfig_change(srv)
]
if services_to_restart:
self._loop.create_task(
self._service_manager.restart_services(services_to_restart), )
self._mconfig = mconfig
configs_by_key = {}
for srv in self._services:
if srv in mconfig.configs_by_key:
configs_by_key[srv] = mconfig.configs_by_key.get(srv)
magmad_events.processed_updates(configs_by_key)
def process_update(self, stream_name, updates, resync):
"""
Handle config updates. Resync is ignored since the entire config
structure is passed in every update.
Inputs:
- updates - list of GatewayConfigs protobuf structures
- resync - boolean indicating whether all database information will be
resent (hence cached data can be discarded). This is ignored
since config is contained in one DB element, hence all
data is sent in every update.
"""
if len(updates) == 0:
logging.info('No config update to process')
return
# We will only take the last update
for update in updates[:-1]:
logging.info('Ignoring config update %s', update.key)
# Deserialize and store the last config update
logging.info('Processing config update %s', updates[-1].key)
mconfig_str = updates[-1].value.decode()
mconfig = self._mconfig_manager.deserialize_mconfig(
mconfig_str,
self._allow_unknown_fields,
)
if MAGMAD not in mconfig.configs_by_key:
logging.error('Invalid config! Magmad service config missing')
return
self._mconfig_manager.update_stored_mconfig(mconfig_str)
self._magmad_service.reload_mconfig()
def did_mconfig_change(serv_name):
return mconfig.configs_by_key.get(serv_name) != \
self._mconfig.configs_by_key.get(serv_name)
# Reload magmad configs locally
if did_mconfig_change(MAGMAD) or (
SHARED_MCONFIG in mconfig.configs_by_key
and did_mconfig_change(SHARED_MCONFIG)):
logging.info("Restarting dynamic services due to config change")
self._loop.create_task(
self._service_manager.update_dynamic_services(
load_service_mconfig(
MAGMAD, mconfigs_pb2.MagmaD()).dynamic_services, ), )
services_to_restart = []
if SHARED_MCONFIG in mconfig.configs_by_key and did_mconfig_change(
SHARED_MCONFIG):
logging.info("Shared config changed. Restarting all services.")
services_to_restart = self._services
else:
services_to_restart = [
srv for srv in self._services if did_mconfig_change(srv)
]
if services_to_restart:
self._loop.create_task(
self._service_manager.restart_services(services_to_restart), )
self._mconfig = mconfig
configs_by_key = {}
for srv in self._services:
if srv in mconfig.configs_by_key:
configs_by_key[srv] = mconfig.configs_by_key.get(srv)
agw_version = self._magmad_service.version
unpacked_mconfig = mconfig.configs_by_key.get(MAGMAD)
version_info = self._parse_versions_and_log_warning(
agw_version, unpacked_mconfig)
agw_version_parsed = version_info.agw_version
orc8r_version_parsed = version_info.orc8r_version
if agw_version_parsed and orc8r_version_parsed:
agw_minor = int(agw_version_parsed.group('minor_version'))
orc8r_minor = int(orc8r_version_parsed.group('minor_version'))
if agw_minor - orc8r_minor <= -1:
logging.warning(
"Gateway is more than one minor version behind orc8r. Please consider updating it."
)
magmad_events.processed_updates(configs_by_key)