def __get_other_container_in_service(self, my_name):
metadata_manager = MetadataAPI()
list_containers = {}
metadata_manager.wait_service_containers()
list_containers_name = metadata_manager.get_service_containers()
for container_name in list_containers_name:
if container_name != my_name:
list_containers[container_name] = {}
list_containers[container_name]['id'] = metadata_manager.get_container_create_index(container_name)
list_containers[container_name]['name'] = container_name
list_containers[container_name]['ip'] = metadata_manager.get_container_ip(container_name)
return list_containers
def __get_other_container_in_service(self, my_name):
metadata_manager = MetadataAPI()
list_containers = {}
metadata_manager.wait_service_containers()
list_containers_name = metadata_manager.get_service_containers()
for container_name in list_containers_name:
if container_name != my_name:
list_containers[container_name] = {}
list_containers[container_name][
'id'] = metadata_manager.get_container_create_index(
container_name)
list_containers[container_name]['name'] = container_name
list_containers[container_name][
'ip'] = metadata_manager.get_container_ip(container_name)
return list_containers
def run(self):
# Get metadata to discovery worker
metadata_manager = MetadataAPI()
metadata_manager.wait_service_containers()
services = metadata_manager.get_stack_services()
service = metadata_manager.get_service()
my_name = service['name']
service_name = None
stack_name = None
# We search container that is in sidekick with me
for service in services:
for sidekick in service['sidekicks']:
if sidekick == my_name:
# We search the worker service that must be linked with the master as name worker
for linking_service in service['links']:
if service['links'][linking_service] == 'worker':
search = re.search('^([^/]+)/([^/]+)$', linking_service)
if search:
service_name = search.group(2)
stack_name = search.group(1)
break
break
if service_name is None:
print("Standalone mode")
return True
# We get the list of containers in worker service
containers = metadata_manager.get_service_containers(stack_name=stack_name, service_name=service_name)
f = open(os.getenv('CITUS_WORKER_CONF_PATH') + '/pg_worker_list.conf', 'w')
for name, container in containers.iteritems():
f.write("%s 5432\n" % container['primary_ip'])
print("Add worker %s (%s) on Citus cluster" % (container['primary_ip'], container['name']))
f.close()
