def get(self):
"""
Get the network topology
---
tags:
- network topology
produces:
- application/json
parameters:
- name: X-Auth-Token
in: header
description: Authentication token
required: true
type: string
responses:
200:
description: Topology correctly retrieved
400:
description: Bad request
401:
description: Unauthorized
404:
description: Graph not found
500:
description: Internal Error
"""
try :
UserAuthentication().authenticateUserFromRESTRequest(request)
ng = NetManager()
return jsonify(ng.getNetworkTopology()) #self._json_response(falcon.HTTP_200, "Network topology", topology=json.dumps(ng.getNetworkTopology()))
# User auth request - raised by UserAuthentication().authenticateUserFromRESTRequest
except wrongRequest as err:
logging.exception(err)
return ("Bad Request", 400)
# User auth credentials - raised by UserAuthentication().authenticateUserFromRESTRequest
except unauthorizedRequest as err:
if request.headers.get("X-Auth-User") is not None:
logging.debug("Unauthorized access attempt from user "+request.headers.get("X-Auth-User"))
logging.debug(err.message)
return ("Unauthorized", 401)
# User auth credentials - raised by UserAuthentication().authenticateUserFromRESTRequest
except UserTokenExpired as err:
logging.exception(err)
return (err.message, 401)
# No Results
except UserNotFound as err:
logging.exception(err)
return ("UserNotFound", 404)
except TenantNotFound as err:
logging.exception(err)
return ("TenantNotFound", 404)
except NoResultFound as err:
logging.exception(err)
return ("NoResultFound", 404)
except sessionNotFound as err:
logging.exception(err)
return ("sessionNotFound", 404)
# Other errors
except requests.HTTPError as err:
logging.exception(err)
return (str(err), 500)
except Exception as err:
logging.exception(err)
return (str(err), 500)
# NetManager
from do_core.netmanager import NetManager
# Configuration
conf = Configuration()
conf.log_configuration()
# START NETWORK CONTROLLER DOMAIN ORCHESTRATOR
logging.debug("Printing the network topology watched by Network Controller Domain Orchestrator")
print("Network Controller Domain Orchestrator - Network Topology")
ng = NetManager()
nt = ng.getNetworkTopology()
print("\nNetwork Controller: "+ng.getControllerName()+"\n")
for node in nt:
print("\n Node: "+node['node'])
print("--------------------------------------------------")
print(" neighbours:", end="")
for nb in node['neighbours']:
print(" "+nb)
print(" ",end="")
print("")
