def get(self):
"""
Gets the status of the dhcp server
"""
try:
dhcpController = DhcpController()
json_data = json.dumps(dhcpController.get_full_status())
resp = Response(json_data, status=200, mimetype="application/json")
return resp
except Exception as err:
return Response(json.dumps(str(err)), status=500, mimetype="application/json")
def put(self):
"""
Update the dhcp configuration
"""
try:
dhcpController = DhcpController()
json_data = json.loads(request.data.decode())
dhcpController.set_configuration(json_data)
return Response(status=202)
except Exception as err:
return Response(json.dumps(str(err)), status=500, mimetype="application/json")
def post(self):
"""
Configure an interface
"""
try:
dhcpController = DhcpController()
json_data = json.loads(request.data.decode())
dhcpController.configure_interface(json_data)
return Response(status=202)
except Exception as err:
return Response(json.dumps(str(err)),
status=500,
mimetype="application/json")
def get(self, id):
"""
Gets the dhcp client date validity
"""
try:
dhcpController = DhcpController()
json_data = json.dumps(dhcpController.get_client_valid_until(id))
resp = Response(json_data, status=200, mimetype="application/json")
return resp
except ValueError as ve:
return Response(json.dumps(str(ve)), status=404, mimetype="application/json")
except Exception as err:
return Response(json.dumps(str(err)), status=500, mimetype="application/json")
def __init__(self, tenant_id, graph_id, vnf_id):
self.dhcpController = DhcpController()
self.interfaceController = InterfaceController()
self.dhcpServerController = DhcpServerController()
self.dhcpClientController = DhcpClientController()
self.tenant_id = tenant_id
self.graph_id = graph_id
self.vnf_id = vnf_id
self.configuration_interface = None
self.interfacesMonitor = None
self.dhcpServerMonitor = None
self.dhcpClientsMonitor = None
def get(self, id=None):
"""
Gets the dhcp client
"""
try:
dhcpController = DhcpController()
if id is None:
json_data = json.dumps(dhcpController.get_clients())
else:
json_data = json.dumps(dhcpController.get_client(id))
resp = Response(json_data, status=200, mimetype="application/json")
return resp
except ValueError as ve:
return Response(json.dumps(str(ve)), status=404, mimetype="application/json")
except Exception as err:
return Response(json.dumps(str(err)), status=500, mimetype="application/json")
def delete(self, id):
"""
Remove the configuration of an interface
"""
try:
dhcpController = DhcpController()
dhcpController.reset_interface(id)
return Response(status=202)
except ValueError as ve:
return Response(json.dumps(str(ve)),
status=404,
mimetype="application/json")
except Exception as err:
return Response(json.dumps(str(err)),
status=500,
mimetype="application/json")
def put(self, id):
"""
Update the configuration of an interface
"""
try:
dhcpController = DhcpController()
json_data = json.loads(request.data.decode())
dhcpController.update_interface(id, json_data)
return Response(status=202)
except ValueError as ve:
return Response(json.dumps(str(ve)),
status=404,
mimetype="application/json")
except Exception as err:
return Response(json.dumps(str(err)),
status=500,
mimetype="application/json")
def put(self):
"""
Update the default lease time parameter
"""
try:
dhcpController = DhcpController()
json_data = request.data.decode()
dhcpController.update_default_lease_time(json_data)
return Response(status=202)
except ValueError as ve:
return Response(json.dumps(str(ve)),
status=404,
mimetype="application/json")
except Exception as err:
return Response(json.dumps(str(err)),
status=500,
mimetype="application/json")
def put(self, id):
"""
Update the section end ip parameter
"""
try:
dhcpController = DhcpController()
json_data = request.data.decode()
dhcpController.update_section_end_ip(id, json_data)
return Response(status=202)
except ValueError as ve:
return Response(json.dumps(str(ve)),
status=404,
mimetype="application/json")
except Exception as err:
return Response(json.dumps(str(err)),
status=500,
mimetype="application/json")
def post(self):
"""
Add a section
"""
try:
dhcpController = DhcpController()
json_data = json.loads(request.data.decode())
dhcpController.add_section(json_data)
return Response(status=202)
except ValueError as ve:
return Response(json.dumps(str(ve)),
status=404,
mimetype="application/json")
except Exception as err:
return Response(json.dumps(str(err)),
status=500,
mimetype="application/json")
def put(self, id):
"""
Update the default gw of an interface
"""
try:
dhcpController = DhcpController()
default_gw = request.data.decode()
dhcpController.update_interface_ipv4Configuration_default_gw(
id, default_gw)
return Response(status=202)
except ValueError as ve:
return Response(json.dumps(str(ve)),
status=404,
mimetype="application/json")
except Exception as err:
return Response(json.dumps(str(err)),
status=500,
mimetype="application/json")
def get(self, id):
"""
Get the default gw address of an interface
"""
try:
dhcpController = DhcpController()
json_data = json.dumps(
dhcpController.get_interface_ipv4Configuration_default_gw(id))
resp = Response(json_data, status=200, mimetype="application/json")
return resp
except ValueError as ve:
return Response(json.dumps(str(ve)),
status=404,
mimetype="application/json")
except Exception as err:
return Response(json.dumps(str(err)),
status=500,
mimetype="application/json")
def get(self):
"""
Gets the max lease time parameter
"""
try:
dhcpController = DhcpController()
json_data = json.dumps(
dhcpController.get_dhcp_server_configuration_max_lease_time())
resp = Response(json_data, status=200, mimetype="application/json")
return resp
except ValueError as ve:
return Response(json.dumps(str(ve)),
status=404,
mimetype="application/json")
except Exception as err:
return Response(json.dumps(str(err)),
status=500,
mimetype="application/json")
class DhcpMonitor():
def __init__(self, tenant_id, graph_id, vnf_id):
self.dhcpController = DhcpController()
self.interfaceController = InterfaceController()
self.dhcpServerController = DhcpServerController()
self.dhcpClientController = DhcpClientController()
self.tenant_id = tenant_id
self.graph_id = graph_id
self.vnf_id = vnf_id
self.configuration_interface = None
self.interfacesMonitor = None
self.dhcpServerMonitor = None
self.dhcpClientsMonitor = None
def set_initial_configuration(self, initial_configuration):
curr_interfaces = self.interfaceController.get_interfaces()
self.interfacesMonitor = InterfacesMonitor(self, curr_interfaces)
curr_dhcp_server_configuration = self.dhcpServerController.get_dhcp_server_configuration(
)
self.dhcpServerMonitor = DhcpServerMonitor(
self, curr_dhcp_server_configuration)
curr_dhcp_clients = self.dhcpClientController.get_clients()
self.dhcpClientsMonitor = DhcpClientsMonitor(self, curr_dhcp_clients)
logging.debug("Setting initial configuration...")
self.dhcpController.set_configuration(initial_configuration)
logging.debug("Setting initial configuration...done!")
def get_address_of_configuration_interface(self, configuration_interface):
self.configuration_interface = configuration_interface
return self.dhcpController.get_interface_ipv4Configuration_address(
configuration_interface)
def start(self):
threads = []
threads.append(
Thread(target=self.interfacesMonitor.start_monitoring, args=()))
threads.append(
Thread(target=self.dhcpServerMonitor.start_monitoring, args=()))
threads.append(
Thread(target=self.dhcpClientsMonitor.start_monitoring, args=()))
# Start all threads
for t in threads:
t.start()
# Wait for all of them to finish
for t in threads:
t.join()
def publish_on_bus(self, url, method, data):
msg = self.tenant_id + "." + self.graph_id + "." + self.vnf_id + "/" + url
body = {}
if method is not None:
body['event'] = method.upper()
else:
body['event'] = "PERIODIC"
body['timestamp'] = datetime.now().strftime('%Y-%m-%d %H:%M:%S')
body['data'] = data
MessageBusController().publish_on_bus(
msg, json.dumps(body, indent=4, sort_keys=True))
