2 Distributed Cloud Emulator (dcemulator)
10 logging
.basicConfig(level
=logging
.INFO
)
13 class ZeroRpcApiEndpointDCNetwork(object):
15 Simple API endpoint that offers a zerorpc-based
16 interface. This interface will be used by the
17 default command line client.
18 It can be used as a reference to implement
19 REST interfaces providing the same semantics,
20 like e.g. OpenStack compute API.
23 def __init__(self
, listenip
, port
, DCNetwork
=None):
25 self
.connectDCNetwork(DCNetwork
)
28 logging
.debug("Created monitoring API endpoint %s(%s:%d)" % (
29 self
.__class
__.__name
__, self
.ip
, self
.port
))
31 def connectDCNetwork(self
, net
):
33 logging
.info("Connected DCNetwork to API endpoint %s(%s:%d)" % (
34 self
.__class
__.__name
__, self
.ip
, self
.port
))
37 thread
= threading
.Thread(target
=self
._api
_server
_thread
, args
=())
40 logging
.debug("Started API endpoint %s(%s:%d)" % (
41 self
.__class
__.__name
__, self
.ip
, self
.port
))
43 def _api_server_thread(self
):
44 s
= zerorpc
.Server(DCNetworkApi(self
.net
))
45 s
.bind("tcp://%s:%d" % (self
.ip
, self
.port
))
49 logging
.info("Stop the monitoring API endpoint")
53 class DCNetworkApi(object):
55 The networking and monitoring commands need the scope of the
56 whole DC network to find the requested vnf. So this API is intended
57 to work with a DCNetwork.
58 Just pass through the corresponding request to the
59 selected data center network. Do not implement provisioning
60 logic here because will will have multiple API
61 endpoint implementations at the end.
64 def __init__(self
, net
):
67 def network_action_start(self
, vnf_src_name
, vnf_dst_name
, kwargs
):
68 # call DCNetwork method, not really datacenter specific API for now...
69 # provided dc name needs to be part of API endpoint
70 # no check if vnfs are really connected to this datacenter...
71 logging
.debug("RPC CALL: network chain start")
73 c
= self
.net
.setChain(
74 vnf_src_name
, vnf_dst_name
,
75 vnf_src_interface
=kwargs
.get('vnf_src_interface'),
76 vnf_dst_interface
=kwargs
.get('vnf_dst_interface'),
77 weight
=kwargs
.get('weight'),
78 match
=kwargs
.get('match'))
80 except Exception as ex
:
81 logging
.exception("RPC error.")
84 def network_action_stop(self
, vnf_src_name
, vnf_dst_name
, vnf_src_interface
=None, vnf_dst_interface
=None, weight
=None):
85 # call DCNetwork method, not really datacenter specific API for now...
86 # provided dc name needs to be part of API endpoint
87 # no check if vnfs are really connected to this datacenter...
88 logging
.debug("RPC CALL: network chain stop")
90 c
= self
.net
.setChain(
91 vnf_src_name
, vnf_dst_name
,
92 vnf_src_interface
=vnf_src_interface
,
93 vnf_dst_interface
=vnf_dst_interface
,
97 except Exception as ex
:
98 logging
.exception("RPC error.")
101 # setup the rate measurement for a vnf interface
102 def setup_metric(self
, vnf_name
, vnf_interface
, metric
):
103 logging
.debug("RPC CALL: setup metric")
105 c
= self
.net
.monitor_agent
.setup_metric(vnf_name
, vnf_interface
, metric
)
107 except Exception as ex
:
108 logging
.exception("RPC error.")
111 # remove the rate measurement for a vnf interface
112 def stop_metric(self
, vnf_name
, vnf_interface
, metric
):
113 logging
.debug("RPC CALL: stop metric")
115 c
= self
.net
.monitor_agent
.stop_metric(vnf_name
, vnf_interface
, metric
)
117 except Exception as ex
:
118 logging
.exception("RPC error.")