GeniServer.__init__(self, ip, port, key_file, cert_file)
self.key_file = key_file
self.cert_file = cert_file
- self.conf = Config(config)
- self.basedir = self.conf.GENI_BASE_DIR + os.sep
+ self.config = Config(config)
+ self.basedir = self.config.GENI_BASE_DIR + os.sep
self.server_basedir = self.basedir + os.sep + "geni" + os.sep
- self.hrn = self.conf.GENI_INTERFACE_HRN
+ self.hrn = self.config.GENI_INTERFACE_HRN
nodes_file = os.sep.join([self.server_basedir, 'agg.' + self.hrn + '.components'])
self.nodes = SimpleStorage(nodes_file)
self.slices = SimpleStorage(slices_file)
self.slices.load()
- policy_file = os.sep.join([self.server_basedir, 'agg.policy'])
- self.policy = SimpleStorage(policy_file)
+ policy_file = os.sep.join([self.server_basedir, 'agg.' + self.hrn + '.policy'])
+ self.policy = SimpleStorage(policy_file, {'whitelist': [], 'blacklist': []})
self.policy.load()
timestamp_file = os.sep.join([self.server_basedir, 'agg.' + self.hrn + '.timestamp'])
Connect to the plc api interface. First attempt to impor thte shell, if that fails
try to connect to the xmlrpc server.
"""
- self.auth = {'Username': self.conf.GENI_PLC_USER,
+ self.auth = {'Username': self.config.GENI_PLC_USER,
'AuthMethod': 'password',
- 'AuthString': self.conf.GENI_PLC_PASSWORD}
+ 'AuthString': self.config.GENI_PLC_PASSWORD}
try:
# try to import PLC.Shell directly
- sys.path.append(self.conf.GENI_PLC_SHELL_PATH)
+ sys.path.append(self.config.GENI_PLC_SHELL_PATH)
import PLC.Shell
self.shell = PLC.Shell.Shell(globals())
self.shell.AuthCheck()
except ImportError:
# connect to plc api via xmlrpc
- plc_host = self.conf.GENI_PLC_HOST
- plc_port = self.conf.GENI_PLC_PORT
- plc_api_path = self.conf.GENI_PLC_API_PATH
+ plc_host = self.config.GENI_PLC_HOST
+ plc_port = self.config.GENI_PLC_PORT
+ plc_api_path = self.config.GENI_PLC_API_PATH
url = "https://%(plc_host)s:%(plc_port)s/%(plc_api_path)s/" % locals()
- self.auth = {'Username': self.conf.GENI_PLC_USER,
+ self.auth = {'Username': self.config.GENI_PLC_USER,
'AuthMethod': 'password',
- 'AuthString': self.conf.GENI_PLC_PASSWORD}
+ 'AuthString': self.config.GENI_PLC_PASSWORD}
self.shell = xmlrpclib.Server(url, verbose = 0, allow_none = True)
self.shell.AuthCheck(self.auth)
self.credential = cred.save_to_string()
except IOError:
# get self credential
- self_cred = self.registry.get_credential(None, 'ma', self.hrn)
- self_credential = Credential(string = self_cred)
- self_credential.save_to_file(self_cred_filename)
+ #self_cred = self.registry.get_credential(None, 'ma', self.hrn)
+ #self_credential = Credential(string = self_cred)
+ #self_credential.save_to_file(self_cred_filename)
# get ma credential
- ma_cred = self.registry.get_gredential(self_cred)
- ma_credential = Credential(string = ma_cred)
- ma_credential.save_to_file(ma_cred_filename)
- self.credential = ma_cred
+ #ma_cred = self.registry.get_gredential(self_cred)
+ #ma_credential = Credential(string = ma_cred)
+ #ma_credential.save_to_file(ma_cred_filename)
+
+ ma_cred = Certificate(filename = self.cert_file)
+
+ self.credential = ma_cred.save_to_string()
def hostname_to_hrn(self, login_base, hostname):
"""
def refresh_components(self):
"""
- Update the cached list of nodes.
+ Update the cached list of nodes and save in 4 differnt formats
+ (rspec, dns, ip, hrn)
"""
+
+ node_details = {}
+ # get node list in rspec format
+ rspec = Rspec()
+ rspec.parseString(self.get_rspec(self.hrn, 'aggregate'))
+ # filter nodes according to policy
+ rspec.filter('NodeSpec', 'name', blacklist=self.policy['blacklist'], whitelist=self.policy['whitelist'])
+ # extract ifspec info to get ip's
+ ips = []
+ ifspecs = rspec.getDictsByTagName('IfSpec')
+ for ifspec in ifspecs:
+ if ifspec.has_key('addr') and ifspec['addr']:
+ ips.append(ifspec['addr'])
+
# resolve component hostnames
nodes = self.shell.GetNodes(self.auth, {}, ['hostname', 'site_id'])
for site in sites:
site_dict[site['site_id']] = site['login_base']
+ # filter nodes according to policy
# convert plc names to geni hrn
nodedict = {}
for node in nodes:
node_hrn = self.hostname_to_hrn(site_dict[node['site_id']], node['hostname'])
# apply policy.
# Do not allow nodes found in blacklist, only allow nodes found in whitelist
- if self.polciy['whitelist'] and node_hrn not in self.polciy['whitelist']:
+ if self.policy['whitelist'] and node_hrn not in self.polciy['whitelist']:
continue
- if self.polciy['blacklist'] and node_hrn in self.policy['blacklist']:
+ if self.policy['blacklist'] and node_hrn in self.policy['blacklist']:
continue
nodedict[node_hrn] = node['hostname']
+
- self.nodes = SimpleStorage(self.nodes.db_filename, nodedict)
+ node_details['rspec'] = rspec.toxml()
+ node_details['hrn'] = nodedict.keys()
+ node_details['dns'] = nodedict.values()
+ node_details['ip'] = ips
+ # save state
+ self.nodes = SimpleStorage(self.nodes.db_filename, node_details)
self.nodes.write()
+
# update timestamp and threshold
self.timestamp['timestamp'] = datetime.datetime.now()
delta = datetime.timedelta(hours=self.nodes_ttl)
self.policy.load()
- def get_components(self):
+ def getComponents(self, type = 'rspec'):
"""
Return a list of components at this aggregate.
"""
+ valid_types = ['rspec', 'hrn', 'dns', 'ip']
+ if type not in valid_types:
+ raise Exception, "Invalid type specified, must be one of the following: %s" \
+ % ", ".join(valid_types)
+
# Reload components list
now = datetime.datetime.now()
#self.load_components()
elif now < self.threshold and not self.nodes.keys():
self.load_components()
return self.nodes.keys()
-
+
+ def getSlices(self, hrn):
+ """
+ Return a list of instnatiated managed by this slice manager.
+ """
+
+ # XX list only the slices at the specfied hrn
+ return dict(self.slices)
+
def get_rspec(self, hrn, type):
"""
Get resource information from PLC
node['interfaces'].append(interface_dict[nodenetwork_id])
# convert and threshold to ints
- timestamp = self.timestamp['timestamp']
- start_time = int(self.timestamp['timestamp'].strftime("%s"))
- end_time = int(self.threshold.strftime("%s"))
+ if self.timestamp.has_key('timestamp') and self.timestamp['timestamp']:
+ timestamp = self.timestamp['timestamp']
+ threshold = self.threshold
+ else:
+ timestamp = datetime.datetime.now()
+ delta = datetime.timedelta(hours=self.nodes_ttl)
+ threshold = timestamp + delta
+
+
+ start_time = int(timestamp.strftime("%s"))
+ end_time = int(threshold.strftime("%s"))
duration = end_time - start_time
# create the plc dict
rspec.parseDict(resourceDict)
return rspec.toxml()
- def get_resources(self, slice_hrn):
+ def getResources(self, slice_hrn):
"""
Return the current rspec for the specified slice.
"""
- slicename = hrn_to_plcslicename(slice_hrn)
+ slicename = self.hrn_to_plcslicename(slice_hrn)
rspec = self.get_rspec(slicenamem, 'slice')
return rspec
- def create_slice(self, slice_hrn, rspec, attributes = []):
+
+ def createSlice(self, slice_hrn, rspec, attributes = []):
"""
Instantiate the specified slice according to whats defined in the rspec.
"""
-
+
# save slice state locally
# we can assume that spec object has been validated so its safer to
# save this instead of the unvalidated rspec the user gave us
self.slices[slice_hrn] = spec.toxml()
self.slices.write()
-
- # extract node list from rspec
- slicename = self.hrn_to_plcslicename(slice_hrn)
- spec = Rspec(rspec)
- nodespecs = spec.getDictsByTagName('NodeSpec')
- nodes = [nodespec['name'] for nodespec in nodespecs]
-
- # add slice to nodes at plc
- 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(self.credential, 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'])
#for person in persons:
# shell.AddPersonToSlice(person['email'], slice_name)
+ return 1
+ def update_slice(self, slice_hrn, rspec, attributes = []):
+ return self.create_slice(slice_hrn, rspec, attributes)
- def delete_slice_(self, slice_hrn):
+ def deleteSlice_(self, slice_hrn):
"""
Remove this slice from all components it was previouly associated with and
free up the resources it was using.
shell.DeleteSliceFromNodes(self.auth, slicename, slice['node_ids'])
return 1
- def start_slice(self, slice_hrn):
+ def startSlice(self, slice_hrn):
"""
Stop the slice at plc.
"""
self.shell.UpdateSliceAttribute(self.auth, attribute_id, "1" )
return 1
- def stop_slice(self, slice_hrn):
+ def stopSlice(self, slice_hrn):
"""
Stop the slice at plc
"""
return 1
- def reset_slice(self, slice_hrn):
+ def resetSlice(self, slice_hrn):
"""
Reset the slice
"""
# XX not yet implemented
return 1
- def get_policy(self):
+ def getPolicy(self):
"""
Return this aggregates policy.
"""
## Server methods here for now
##############################
- def components(self):
- return self.get_components()
+ def list_components(self):
+ return self.getComponents()
- #def slices(self):
- # return self.get_slices()
+ def list_slices(self, cred, hrn):
+ self.decode_authentication(cred, 'list')
+ return self.getSlices(hrn)
- def resources(self, cred, hrn):
+ def get_resources(self, cred, hrn):
self.decode_authentication(cred, 'info')
- self.verify_object_belongs_to_me(hrn)
+ return self.getResources(hrn)
- return self.get_resources(hrn)
+ def get_policy(self, cred):
+ self.decode_authentication(cred, 'info')
+ return self.getPolicy()
- def createSlice(self, cred, hrn, rspec):
+ def create_slice(self, cred, hrn, rspec):
self.decode_authentication(cred, 'embed')
- self.verify_object_belongs_to_me(hrn)
- return self.create_slice(hrn)
+ return self.createSlice(hrn)
- def updateSlice(self, cred, hrn, rspec):
+ def update_slice(self, cred, hrn, rspec):
self.decode_authentication(cred, 'embed')
- self.verify_object_belongs_to_me(hrn)
- return self.update_slice(hrn)
+ return self.updateSlice(hrn)
- def deleteSlice(self, cred, hrn):
+ def delete_slice(self, cred, hrn):
self.decode_authentication(cred, 'embed')
- self.verify_object_belongs_to_me(hrn)
- return self.delete_slice(hrn)
+ return self.deleteSlice(hrn)
- def startSlice(self, cred, hrn):
+ def start_slice(self, cred, hrn):
self.decode_authentication(cred, 'control')
- return self.start_slice(hrn)
+ return self.startSlice(hrn)
- def stopSlice(self, cred, hrn):
+ def stop_slice(self, cred, hrn):
self.decode_authentication(cred, 'control')
- return self.stop(hrn)
+ return self.stopSlice(hrn)
- def resetSlice(self, cred, hrn):
+ def reset_slice(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()
+ return self.resetSlice(hrn)
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.createSlice)
- self.server.register_function(self.deleteSlice)
- self.server.register_function(self.startSlice)
- self.server.register_function(self.stopSlice)
- self.server.register_function(self.resetSlice)
- self.server.register_function(self.policy)
+ self.server.register_function(self.list_components)
+ self.server.register_function(self.list_slices)
+ self.server.register_function(self.get_resources)
+ self.server.register_function(self.get_policy)
+ self.server.register_function(self.create_slice)
+ self.server.register_function(self.update_slice)
+ self.server.register_function(self.delete_slice)
+ self.server.register_function(self.start_slice)
+ self.server.register_function(self.stop_slice)
+ self.server.register_function(self.reset_slice)