def update_flow(flow_id, flow, correlation_id, tx):
try:
old_flow = flow_utils.get_old_flow(flow)
#
# Start the transaction to govern the create/delete
#
logger.info('Flow rules were built: correlation_id=%s, flow_id=%s', correlation_id, flow_id)
rules = flow_utils.build_rules(flow)
# TODO: add tx to store_flow
flow_utils.store_flow(flow, tx)
logger.info('Flow was stored: correlation_id=%s, flow_id=%s', correlation_id, flow_id)
message_utils.send_install_commands(rules, correlation_id)
MessageItem.delete_flow(old_flow['flowid'], old_flow, correlation_id, tx)
payload = {'payload': flow, 'clazz': MT_FLOW_RESPONSE}
message_utils.send_info_message(payload, correlation_id)
except Exception as e:
logger.exception('Can not update flow: %s', e.message)
message_utils.send_error_message(
correlation_id, "UPDATE_FAILURE", e.message, flow_id)
raise
return True
def update_flow(flow_id, flow, correlation_id):
try:
old_flow = flow_utils.get_old_flow(flow)
old_flow_path = json.loads(old_flow['flowpath'])['path']
logger.info('Flow path remove: %s', old_flow_path)
flow_utils.remove_flow(old_flow, old_flow_path)
logger.info('Flow was removed: correlation_id=%s, flow_id=%s',
correlation_id, flow_id)
rules = flow_utils.build_rules(flow)
logger.info('Flow rules were built: correlation_id=%s, flow_id=%s',
correlation_id, flow_id)
flow_utils.store_flow(flow)
logger.info('Flow was stored: correlation_id=%s, flow_id=%s',
correlation_id, flow_id)
message_utils.send_install_commands(rules, correlation_id)
logger.info('Flow rules installed: correlation_id=%s, flow_id=%s',
correlation_id, flow_id)
message_utils.send_delete_commands(old_flow_path,
old_flow['flowid'],
correlation_id,
int(old_flow['cookie']))
logger.info('Flow rules removed: correlation_id=%s, flow_id=%s',
correlation_id, flow_id)
payload = {'payload': flow, 'clazz': MT_FLOW_RESPONSE}
message_utils.send_info_message(payload, correlation_id)
except Exception as e:
logger.exception('Can not update flow: %s', e.message)
message_utils.send_error_message(correlation_id, "UPDATE_FAILURE",
e.message, flow_id)
raise
return True