def on_get(self, request, response, nffg_id):
try :
user_data = UserAuthentication().authenticateUserFromRESTRequest(request)
controller = UpperLayerOrchestratorController(user_data)
response.body = controller.get(nffg_id)
response.status = falcon.HTTP_200
except NoResultFound:
logging.exception("EXCEPTION - NoResultFound")
raise falcon.HTTPNotFound()
except requests.HTTPError as err:
logging.exception(err.response.text)
if err.response.status_code == 401:
raise falcon.HTTPInternalServerError('Unauthorized.',err.message)
elif err.response.status_code == 403:
raise falcon.HTTPInternalServerError('Forbidden.',err.message)
elif err.response.status_code == 404:
raise falcon.HTTPInternalServerError('Resource Not found.',err.message)
raise err
except jsonschema.ValidationError as err:
logging.exception(err.message)
raise falcon.HTTPBadRequest('Bad Request',
err.message)
except sessionNotFound as err:
logging.exception(err.message)
raise falcon.HTTPNotFound()
except ingoingFlowruleMissing as err:
logging.exception(err.message)
raise falcon.HTTPInternalServerError('ingoingFlowruleMissing',err.message)
except ManifestValidationError as err:
logging.exception(err.message)
raise falcon.HTTPInternalServerError('ManifestValidationError',err.message)
except unauthorizedRequest as err:
logging.debug("Unauthorized access attempt from user "+request.get_header("X-Auth-User"))
raise falcon.HTTPUnauthorized("Unauthorized", err.message)
except Exception as ex:
logging.exception(ex)
raise falcon.HTTPInternalServerError('Contact the admin. ',ex.message)
def get(self, nffg_id = None):
"""
Get a graph
Returns an already deployed graph
---
tags:
- NF-FG
produces:
- application/json
parameters:
- name: nffg_id
in: path
description: Graph ID to be retrieved
required: true
type: string
- name: X-Auth-User
in: header
description: Username
required: true
type: string
- name: X-Auth-Pass
in: header
description: Password
required: true
type: string
- name: X-Auth-Tenant
in: header
description: Tenant
required: true
type: string
responses:
200:
description: Graph retrieved
401:
description: Unauthorized
404:
description: Graph not found
500:
description: Internal Error
"""
try:
user_data = UserAuthentication().authenticateUserFromRESTRequest(request)
controller = UpperLayerOrchestratorController(user_data)
resp = Response(response=controller.get(nffg_id), status=200, mimetype="application/json")
return resp
except NoResultFound:
logging.exception("EXCEPTION - NoResultFound")
return ("EXCEPTION - NoResultFound", 404)
except requests.HTTPError as err:
logging.exception(err)
return (str(err), 500)
except requests.ConnectionError as err:
logging.exception(err)
return (str(err), 500)
except sessionNotFound as err:
logging.exception(err.message)
return (err.message, 404)
except (unauthorizedRequest, UserNotFound) 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)
except Exception as err:
logging.exception(err)
return ("Contact the admin: "+ str(err), 500)
