2 # -*- coding: utf-8 -*-
4 from constants import TESTBED_ID
5 from nepi.core import testbed_impl
8 class TestbedController(testbed_impl.TestbedController):
9 def __init__(self, testbed_version):
10 super(TestbedController, self).__init__(TESTBED_ID, testbed_version)
11 self._home_directory = None
15 import node, interfaces, application
17 self._interfaces = interfaces
18 self._app = application
21 def home_directory(self):
22 return self._home_directory
26 if not hasattr(self, '_plapi'):
30 self._plapi = plcapi.PLCAPI(
31 username = self.authUser,
32 password = self.authString)
34 # anonymous access - may not be enough for much
35 self._plapi = plcapi.PLCAPI()
40 if not hasattr(self, '_slice_id'):
41 slices = self.plapi.GetSlices(self.slicename, fields=('slice_id',))
43 self._slice_id = slices[0]['slice_id']
45 # If it wasn't found, don't remember this failure, keep trying
50 self._home_directory = self._attributes.\
51 get_attribute_value("homeDirectory")
52 self.slicename = self._attributes.\
53 get_attribute_value("slice")
54 self.authUser = self._attributes.\
55 get_attribute_value("authUser")
56 self.authString = self._attributes.\
57 get_attribute_value("authPass")
60 # Create node elements per XML data
61 super(TestbedController, self).do_create()
63 # Perform resource discovery if we don't have
64 # specific resources assigned yet
65 self.do_resource_discovery()
67 # Create PlanetLab slivers
68 self.do_provisioning()
70 # Wait for all nodes to be ready
73 def do_resource_discovery(self):
77 def do_provisioning(self):
85 def set(self, time, guid, name, value):
86 super(TestbedController, self).set(time, guid, name, value)
87 # TODO: take on account schedule time for the task
88 element = self._elements[guid]
90 setattr(element, name, value)
92 def get(self, time, guid, name):
93 # TODO: take on account schedule time for the task
94 element = self._elements.get(guid)
97 if hasattr(element, name):
99 return getattr(element, name)
101 # Try design-time attributes
102 return self.box_get(time, guid, name)
103 except KeyError, AttributeError:
106 def get_route(self, guid, index, attribute):
107 # TODO: fetch real data from planetlab
109 return self.box_get_route(guid, int(index), attribute)
110 except KeyError, AttributeError:
113 def get_address(self, guid, index, attribute='Address'):
115 iface = self._elements.get(guid)
116 if iface and index == 0:
117 if attribute == 'Address':
119 elif attribute == 'NetPrefix':
120 return iface.netprefix
121 elif attribute == 'Broadcast':
122 return iface.broadcast
124 # if all else fails, query box
126 return self.box_get_address(guid, int(index), attribute)
127 except KeyError, AttributeError:
131 def action(self, time, guid, action):
132 raise NotImplementedError
135 for trace in self._traces.values():
137 for element in self._elements.values():
140 def trace(self, guid, trace_id, attribute='value'):
141 app = self._elements[guid]
143 if attribute == 'value':
144 path = app.sync_trace(self.home_directory, trace_id)
151 elif attribute == 'path':
152 content = app.remote_trace_path(trace_id)
157 def follow_trace(self, trace_id, trace):
158 self._traces[trace_id] = trace
160 def _make_node(self, parameters):
161 node = self._node.Node(self.plapi)
163 # Note: there is 1-to-1 correspondence between attribute names
164 # If that changes, this has to change as well
165 for attr,val in parameters.iteritems():
166 setattr(node, attr, val)
170 def _make_node_iface(self, parameters):
171 iface = self._interfaces.NodeIface(self.plapi)
173 # Note: there is 1-to-1 correspondence between attribute names
174 # If that changes, this has to change as well
175 for attr,val in parameters.iteritems():
176 setattr(iface, attr, val)
180 def _make_tun_iface(self, parameters):
181 iface = self._interfaces.TunIface(self.plapi)
183 # Note: there is 1-to-1 correspondence between attribute names
184 # If that changes, this has to change as well
185 for attr,val in parameters.iteritems():
186 setattr(iface, attr, val)
190 def _make_internet(self, parameters):
191 return self._interfaces.Internet(self.plapi)
193 def _make_application(self, parameters):
194 app = self._app.Application(self.plapi)
196 # Note: there is 1-to-1 correspondence between attribute names
197 # If that changes, this has to change as well
198 for attr,val in parameters.iteritems():
199 setattr(app, attr, val)