def _get_process_definition(self):
process_definition_id = self.CFG.get_safe(
"highavailability.process_definition_id")
process_definition_name = self.CFG.get_safe(
"highavailability.process_definition_name")
if process_definition_id:
pd_name = self.pds[0]
pd = ProcessDispatcherServiceClient(to_name=pd_name)
definition = pd.read_process_definition(process_definition_id)
elif process_definition_name:
definitions, _ = self.container.resource_registry.find_resources(
restype="ProcessDefinition", name=process_definition_name)
if len(definitions) == 0:
raise Exception("Process definition with name '%s' not found" %
process_definition_name)
elif len(definitions) > 1:
raise Exception(
"multiple process definitions found with name '%s'" %
process_definition_name)
definition = definitions[0]
process_definition_id = definition._id
else:
raise Exception(
"HA Agent requires either process definition ID or name")
return process_definition_id, definition
def _get_process_definition(self):
process_definition_id = self.CFG.get_safe("highavailability.process_definition_id")
process_definition_name = self.CFG.get_safe("highavailability.process_definition_name")
if process_definition_id:
pd_name = self.pds[0]
pd = ProcessDispatcherServiceClient(to_name=pd_name)
definition = pd.read_process_definition(process_definition_id)
elif process_definition_name:
definitions, _ = self.container.resource_registry.find_resources(
restype="ProcessDefinition", name=process_definition_name)
if len(definitions) == 0:
raise Exception("Process definition with name '%s' not found" %
process_definition_name)
elif len(definitions) > 1:
raise Exception("multiple process definitions found with name '%s'" %
process_definition_name)
definition = definitions[0]
process_definition_id = definition._id
else:
raise Exception("HA Agent requires either process definition ID or name")
return process_definition_id, definition
def _register_service(self):
if not self.process_definition_id:
log.error("No process definition id. Not registering service")
return
if len(self.pds) < 1:
log.error("Must have at least one PD available to register a service")
return
pd_name = self.pds[0]
pd = ProcessDispatcherServiceClient(to_name=pd_name)
definition = pd.read_process_definition(self.process_definition_id)
existing_services, _ = self.container.resource_registry.find_resources(
restype="Service", name=definition.name)
if len(existing_services) > 0:
if len(existing_services) > 1:
log.warning("There is more than one service object for %s. Using the first one" % definition.name)
service_id = existing_services[0]._id
else:
svc_obj = Service(name=definition.name, exchange_name=definition.name)
service_id, _ = self.container.resource_registry.create(svc_obj)
svcdefs, _ = self.container.resource_registry.find_resources(
restype="ServiceDefinition", name=definition.name)
if svcdefs:
self.container.resource_registry.create_association(
service_id, "hasServiceDefinition", svcdefs[0]._id)
else:
log.error("Cannot find ServiceDefinition resource for %s",
definition.name)
return service_id
