def dump_network(self):
correlation_id = self.correlation_id
step = "Init"
logger.info('Dump network request: timestamp=%s, correlation_id=%s',
self.timestamp, correlation_id)
try:
step = "Switches"
switches = self.get_switches()
logger.debug("%s: %s", step, switches)
step = "ISLs"
isls = self.get_isls()
logger.debug("%s: %s", step, isls)
step = "Flows"
flows = flow_utils.get_flows()
logger.debug("%s: %s", step, flows)
step = "Send"
payload = {
'switches': switches,
'isls': isls,
'flows': flows,
'message_type': "network"}
message_utils.send_message(
payload, correlation_id, "INFO", "WFM_CACHE")
except Exception as e:
logger.exception('Can not dump network: %s', e.message)
message_utils.send_error_message(
correlation_id, "INTERNAL_ERROR", e.message, step, "WFM_CACHE")
raise
return True
def delete_flow(flow_id, flow, correlation_id):
try:
flow_path = flow['flowpath']['path']
logger.info('Flow path remove: %s', flow_path)
flow_utils.remove_flow(flow, flow_path)
logger.info('Flow was removed: correlation_id=%s, flow_id=%s',
correlation_id, flow_id)
message_utils.send_delete_commands(
flow_path, flow_id, correlation_id, int(flow['cookie']))
logger.info('Flow rules removed: correlation_id=%s, flow_id=%s',
correlation_id, flow_id)
payload = {'payload': flow, 'message_type': "flow"}
message_utils.send_message(payload, correlation_id, "INFO")
except Exception as e:
logger.exception('Can not delete flow: %s', e.message)
message_utils.send_error_message(
correlation_id, "DELETION_FAILURE", e.message, flow_id)
raise
return True
def create_flow(flow_id, flow, correlation_id):
try:
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)
payload = {'payload': flow, 'message_type': "flow"}
message_utils.send_message(payload, correlation_id, "INFO")
except Exception as e:
logger.exception('Can not create flow: %s', flow_id)
message_utils.send_error_message(
correlation_id, "CREATION_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, 'message_type': "flow"}
message_utils.send_message(payload, correlation_id, "INFO")
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 send_message(data):
logger.info(data)
message_utils.send_message(data, "topology_reader-{}".format(time.time()),
"INFO", "WFM_CACHE")