- return rspec
-
- def create_slice(self, slice_hrn, rspec, attributes = []):
- """
- Instantiate the specified slice according to whats defined in the rspec.
- """
- slicename = self.hrn_to_plcslicename(slice_hrn)
- spec = Rspec(rspec)
- nodespecs = spec.getDictsByTagName('NodeSpec')
- nodes = [nodespec['name'] for nodespec in nodespecs]
- self.shell.AddSliceToNodes(self.auth, slicename, nodes)
- for attribute in attributes:
- type, value, node, nodegroup = attribute['type'], attribute['value'], attribute['node'], attribute['nodegroup']
- shell.AddSliceAttribute(self.auth, slicename, type, value, node, nodegroup)
-
- # XX contact the registry to get the list of users on this slice and
- # their keys.
- #slice_record = self.registry.resolve(slice_hrn)
- #person_records = slice_record['users']
- # for person in person_record:
- # email = person['email']
- # self.shell.AddPersonToSlice(self.auth, email, slicename)
-
-
- return 1
-
- def update_slice(self, slice_hrn, rspec, attributes = []):
- """
- Update the specified slice.
- """
- # Get slice info
- slicename = self.hrn_to_plcslicename(slice_hrn)
- slices = self.shell.GetSlices(self.auth, [slicename], ['node_ids'])
- if not slice:
- raise RecordNotFound(slice_hrn)
- slice = slices[0]
-
- # find out where this slice is currently running
- nodes = self.shell.GetNodes(self.auth, slice['node_ids'], ['hostname'])
- hostnames = [node['hostname'] for node in nodes]
-
- # get netspec details
- spec = Rspec(rspec)
- nodespecs = spec.getDictsByTagName('NodeSpec')
- nodes = [nodespec['name'] for nodespec in nodespecs]
- # remove nodes not in rspec
- delete_nodes = set(hostnames).difference(nodes)
- # add nodes from rspec
- added_nodes = set(nodes).difference(hostnames)
-
- shell.AddSliceToNodes(self.auth, slicename, added_nodes)
- shell.DeleteSliceFromNodes(self.auth, slicename, deleted_nodes)
-
- for attribute in attributes:
- type, value, node, nodegroup = attribute['type'], attribute['value'], attribute['node'], attribute['nodegroup']
- shell.AddSliceAttribute(self.auth, slicename, type, value, node, nodegroup)
-
- # contact registry to get slice users and add them to the slice
- # slice_record = self.registry.resolve(slice_hrn)
- # persons = slice_record['users']
-
- #for person in persons:
- # shell.AddPersonToSlice(person['email'], slice_name)
- def delete_slice_(self, slice_hrn):
- """
- Remove this slice from all components it was previouly associated with and
- free up the resources it was using.
- """
- slicename = self.hrn_to_plcslicename(slice_hrn)
- slices = shell.GetSlices(self.auth, [slicename])
- if not slice:
- raise RecordNotFound(slice_hrn)
- slice = slices[0]
-
- shell.DeleteSliceFromNodes(self.auth, slicename, slice['node_ids'])
- return 1
-
- def start_slice(self, slice_hrn):
- """
- Stop the slice at plc.
- """
- slicename = hrn_to_plcslicename(slice_hrn)
- slices = self.shell.GetSlices(self.auth, {'name': slicename}, ['slice_id'])
- if not slices:
- raise RecordNotFound(slice_hrn)
- slice_id = slices[0]
- atrribtes = self.shell.GetSliceAttributes({'slice_id': slice_id, 'name': 'enabled'}, ['slice_attribute_id'])
- attribute_id = attreibutes[0]
- self.shell.UpdateSliceAttribute(self.auth, attribute_id, "1" )
- return 1
-
- def stop_slice(self, slice_hrn):
- """
- Stop the slice at plc
- """
- slicename = hrn_to_plcslicename(slice_hrn)
- slices = self.shell.GetSlices(self.auth, {'name': slicename}, ['slice_id'])
- if not slices:
- raise RecordNotFound(slice_hrn)
- slice_id = slices[0]
- atrribtes = self.shell.GetSliceAttributes({'slice_id': slice_id, 'name': 'enabled'}, ['slice_attribute_id'])
- attribute_id = attreibutes[0]
- self.shell.UpdateSliceAttribute(self.auth, attribute_id, "0")
- return 1
-
-
- def reset_slice(self, slice_hrn):
- """
- Reset the slice
- """
- slicename = self.hrn_to_plcslicename(slice_hrn)
- return 1
-
- def get_policy(self):
- """
- Return this aggregates policy.
- """
-
- return self.policy
-
-
-
-##############################
-## Server methods here for now
-##############################
-
- def nodes(self):
- return self.get_components()
-
- #def slices(self):
- # return self.get_slices()
-
- def resources(self, cred, hrn):
- self.decode_authentication(cred, 'info')
- self.verify_object_belongs_to_me(hrn)
-
- return self.get_resources(hrn)
-
- def create(self, cred, hrn, rspec):
- self.decode_authentication(cred, 'embed')
- self.verify_object_belongs_to_me(hrn)
- return self.create(hrn)
-
- def update(self, cred, hrn, rspec):
- self.decode_authentication(cred, 'embed')
- self.verify_object_belongs_to_me(hrn)
- return self.update(hrn)
-
- def delete(self, cred, hrn):
- self.decode_authentication(cred, 'embed')
- self.verify_object_belongs_to_me(hrn)
- return self.delete_slice(hrn)
-
- def start(self, cred, hrn):
- self.decode_authentication(cred, 'control')
- return self.start(hrn)
-
- def stop(self, cred, hrn):
- self.decode_authentication(cred, 'control')
- return self.stop(hrn)
-
- def reset(self, cred, hrn):
- self.decode_authentication(cred, 'control')
- return self.reset(hrn)
-
- def policy(self, cred):
- self.decode_authentication(cred, 'info')
- return self.get_policy()
-
- def register_functions(self):
- GeniServer.register_functions(self)
-
- # Aggregate interface methods
- self.server.register_function(self.components)
- #self.server.register_function(self.slices)
- self.server.register_function(self.resources)
- self.server.register_function(self.create)
- self.server.register_function(self.delete)
- self.server.register_function(self.start)
- self.server.register_function(self.stop)
- self.server.register_function(self.reset)
- self.server.register_function(self.policy)
-
+ for f in files:
+ try:
+ if os.path.isfile(f):
+ self.aggregate_info = XmlStorage(f, aggregates_dict)
+ loaded = True
+ except: pass
+
+ # if file is missing, just recreate it in the right place
+ if not loaded:
+ self.aggregate_info = XmlStorage(file, aggregates_dict)
+ self.aggregate_info.load()
+ self.connectAggregates()
+
+
+ def connectAggregates(self):
+ """
+ Get connection details for the trusted peer aggregates from file and
+ create an GeniClient connection to each.
+ """
+ aggregates = self.aggregate_info['aggregates']['aggregate']
+ if isinstance(aggregates, dict):
+ aggregates = [aggregates]
+ if isinstance(aggregates, list):
+ for aggregate in aggregates:
+ # make sure the required fields are present
+ if not set(self.required_fields).issubset(aggregate.keys()):
+ continue
+ hrn, address, port = aggregate['hrn'], aggregate['addr'], aggregate['port']
+ if not hrn or not address or not port:
+ continue
+ # check which client we should use
+ # geniclient is default
+ client_type = 'geniclient'
+ if aggregate.has_key('client') and aggregate['client'] in ['geniclientlight']:
+ client_type = 'geniclientlight'
+
+ # create url
+ url = 'http://%(address)s:%(port)s' % locals()
+
+ # create the client connection
+ # make sure module exists before trying to instantiate it
+ if client_type in ['geniclientlight'] and GeniClientLight:
+ self[hrn] = GeniClientLight(url, self.api.key_file, self.api.cert_file)
+ else:
+ self[hrn] = GeniClient(url, self.api.key_file, self.api.cert_file)
+
+ # set up a connection to the local registry
+ # connect to registry using GeniClient
+ address = self.api.config.GENI_AGGREGATE_HOST
+ port = self.api.config.GENI_AGGREGATE_PORT
+ url = 'http://%(address)s:%(port)s' % locals()
+ self[self.api.hrn] = GeniClient(url, self.api.key_file, self.api.cert_file)
+