def __init__(self, ip, port, key_file, cert_file, config = "/usr/share/geniwrapper/util/geni_config"):
GeniServer.__init__(ip, port, key_file, cert_file)
- self.key_file = key_file
- self.cert_file = cert_file
- self.conf = Config(config)
+ self.key_file = key_file
+ self.cert_file = cert_file
+ self.conf = Config(config)
basedir = self.conf.GENI_BASE_DIR + os.sep
server_basedir = basedir + os.sep + "plc" + os.sep
- self.hrn = conf.GENI_INTERFACE_HRN
+ self.hrn = conf.GENI_INTERFACE_HRN
- # Get list of aggregates this sm talks to
- aggregates_file = server_basedir + os.sep + 'aggregates'
- self.load_aggregates(aggregates_file)
- self.components_file = os.sep.join([server_basedir, 'components', 'slicemgr.' + hrn + '.comp'])
- self.slices_file = os.sep.join([server_basedir, 'components', 'slicemgr' + hrn + '.slices'])
- self.timestamp_file = os.sep.join([server_basedir, 'components', 'slicemgr' + hrn + '.timestamp'])
- self.components_ttl = components_ttl
- self.policy['whitelist'] = []
+ # Get list of aggregates this sm talks to
+ aggregates_file = server_basedir + os.sep + 'aggregates'
+ self.load_aggregates(aggregates_file)
+ self.components_file = os.sep.join([server_basedir, 'components', 'slicemgr.' + hrn + '.comp'])
+ self.slices_file = os.sep.join([server_basedir, 'components', 'slicemgr' + hrn + '.slices'])
+ self.timestamp_file = os.sep.join([server_basedir, 'components', 'slicemgr' + hrn + '.timestamp'])
+ self.components_ttl = components_ttl
+ self.policy['whitelist'] = []
self.policy['blacklist'] = []
- self.connect()
+ self.connect()
def load_aggregates(self, aggregates_file):
- """
- Get info about the aggregates available to us from file and create
+ """
+ Get info about the aggregates available to us from file and create
an xmlrpc connection to each. If any info is invalid, skip it.
- """
- lines = []
+ """
+ lines = []
try:
- f = open(aggregates_file, 'r')
- lines = f.readlines()
- f.close()
- except: raise
+ f = open(aggregates_file, 'r')
+ lines = f.readlines()
+ f.close()
+ except: raise
- for line in lines:
- # Skip comments
- if line.strip.startswith("#"):
- continue
- agg_info = line.split("\t").split(" ")
+ for line in lines:
+ # Skip comments
+ if line.strip.startswith("#"):
+ continue
+ agg_info = line.split("\t").split(" ")
- # skip invalid info
- if len(agg_info) != 3:
- continue
+ # skip invalid info
+ if len(agg_info) != 3:
+ continue
- # create xmlrpc connection using GeniClient
- hrn, address, port = agg_info[0], agg_info[1], agg_info[2]
- url = 'https://%(address)s:%(port)s' % locals()
- self.aggregates[hrn] = GeniClient(url, self.key_file, self.cert_file)
+ # create xmlrpc connection using GeniClient
+ hrn, address, port = agg_info[0], agg_info[1], agg_info[2]
+ url = 'https://%(address)s:%(port)s' % locals()
+ self.aggregates[hrn] = GeniClient(url, self.key_file, self.cert_file)
def item_hrns(self, items):
- """
- Take a list of items (components or slices) and return a dictionary where
- the key is the authoritative hrn and the value is a list of items at that
- hrn.
- """
- item_hrns = {}
- agg_hrns = self.aggregates.keys()
- for agg_hrn in agg_hrns:
- item_hrns[agg_hrn] = []
- for item in items:
+ """
+ Take a list of items (components or slices) and return a dictionary where
+ the key is the authoritative hrn and the value is a list of items at that
+ hrn.
+ """
+ item_hrns = {}
+ agg_hrns = self.aggregates.keys()
for agg_hrn in agg_hrns:
- if item.startswith(agg_hrn):
- item_hrns[agg_hrn] = item
+ item_hrns[agg_hrn] = []
+ for item in items:
+ for agg_hrn in agg_hrns:
+ if item.startswith(agg_hrn):
+ item_hrns[agg_hrn] = item
- return item_hrns
+ return item_hrns
def hostname_to_hrn(self, login_base, hostname):
- """
- Convert hrn to plantelab name.
- """
+ """
+ Convert hrn to plantelab name.
+ """
genihostname = "_".join(hostname.split("."))
return ".".join([self.hrn, login_base, genihostname])
def slicename_to_hrn(self, slicename):
- """
- Convert hrn to planetlab name.
- """
+ """
+ Convert hrn to planetlab name.
+ """
slicename = slicename.replace("_", ".")
return ".".join([self.hrn, slicename])
def refresh_components(self):
- """
- Update the cached list of nodes.
- """
- print "refreshing"
+ """
+ Update the cached list of nodes.
+ """
+ print "refreshing"
- aggregates = self.aggregates.keys()
- all_nodes = []
- all_slices = []
- for aggregate in aggregates:
- try:
- # resolve components hostnames
- nodes = self.aggregates[aggregate].get_components()
- all_nodes.extend(nodes)
- # update timestamp and threshold
- self.timestamp = datetime.datetime.now()
- delta = datetime.timedelta(hours=self.components_ttl)
- self.threshold = self.timestamp + delta
- except:
- # XX print out to some error log
- pass
+ aggregates = self.aggregates.keys()
+ all_nodes = []
+ all_slices = []
+ for aggregate in aggregates:
+ try:
+ # resolve components hostnames
+ nodes = self.aggregates[aggregate].get_components()
+ all_nodes.extend(nodes)
+ # update timestamp and threshold
+ self.timestamp = datetime.datetime.now()
+ delta = datetime.timedelta(hours=self.components_ttl)
+ self.threshold = self.timestamp + delta
+ except:
+ # XX print out to some error log
+ pass
- self.components = all_nodes
- f = open(self.components_file, 'w')
- f.write(str(self.components))
- f.close()
- f = open(self.timestamp_file, 'w')
- f.write(str(self.threshold))
- f.close()
+ self.components = all_nodes
+ f = open(self.components_file, 'w')
+ f.write(str(self.components))
+ f.close()
+ f = open(self.timestamp_file, 'w')
+ f.write(str(self.threshold))
+ f.close()
def load_components(self):
"""
self.policy['blacklist'] = blacklist
def load_slices(self):
- """
- Read current slice instantiation states.
- """
- print "loading slices"
- if os.path.exists(self.slices_file):
+ """
+ Read current slice instantiation states.
+ """
+ print "loading slices"
+ if os.path.exists(self.slices_file):
f = open(self.components_file, 'r')
self.slices = eval(f.read())
f.close()
def get_components(self):
- """
- Return a list of components managed by this slice manager.
- """
- # Reload components list
- now = datetime.datetime.now()
- #self.load_components()
- if not self.threshold or not self.timestamp or now > self.threshold:
- self.refresh_components()
- elif now < self.threshold and not self.components:
- self.load_components()
- return self.components
+ """
+ Return a list of components managed by this slice manager.
+ """
+ # Reload components list
+ now = datetime.datetime.now()
+ #self.load_components()
+ if not self.threshold or not self.timestamp or now > self.threshold:
+ self.refresh_components()
+ elif now < self.threshold and not self.components:
+ self.load_components()
+ return self.components
def get_slices(self):
- """
- Return a list of instnatiated managed by this slice manager.
- """
- now = datetime.datetime.now()
- #self.load_components()
- if not self.threshold or not self.timestamp or now > self.threshold:
- self.refresh_components()
- elif now < self.threshold and not self.slices:
- self.load_components()
- return self.slices
+ """
+ Return a list of instnatiated managed by this slice manager.
+ """
+ now = datetime.datetime.now()
+ #self.load_components()
+ if not self.threshold or not self.timestamp or now > self.threshold:
+ self.refresh_components()
+ elif now < self.threshold and not self.slices:
+ self.load_components()
+ return self.slices
def get_slivers(self, hrn):
- """
- Return the list of slices instantiated at the specified component.
- """
+ """
+ Return the list of slices instantiated at the specified component.
+ """
- # hrn is assumed to be a component hrn
- if hrn not in self.slices:
- raise RecordNotFound(hrn)
+ # hrn is assumed to be a component hrn
+ if hrn not in self.slices:
+ raise RecordNotFound(hrn)
- return self.slices[hrn]
+ return self.slices[hrn]
def get_rspec(self, hrn, type):
- #rspec = Rspec()
- if type in ['node']:
- nodes = self.shell.GetNodes(self.auth)
- elif type in ['slice']:
- slices = self.shell.GetSlices(self.auth)
- elif type in ['aggregate']:
- pass
+ #rspec = Rspec()
+ if type in ['node']:
+ nodes = self.shell.GetNodes(self.auth)
+ elif type in ['slice']:
+ slices = self.shell.GetSlices(self.auth)
+ elif type in ['aggregate']:
+ pass
def get_resources(self, slice_hrn):
- """
- Return the current rspec for the specified slice.
- """
- slicename = hrn_to_plcslicename(slice_hrn)
- rspec = self.get_rspec(slicenamem, 'slice' )
+ """
+ Return the current rspec for the specified slice.
+ """
+ slicename = hrn_to_plcslicename(slice_hrn)
+ rspec = self.get_rspec(slicenamem, 'slice' )
- return rspec
+ 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)
- node_hrns = []
- #for netspec in spec['networks]:
- # networkname = netspec['name']
- # nodespec = spec['networks']['nodes']
- # nodes = [nspec['name'] for nspec in nodespec]
- # node_hrns = [networkname + node for node in nodes]
- #
- self.db.AddSliceToNodes(slice_hrn, node_hrns)
- return 1
+ """
+ Instantiate the specified slice according to whats defined in the rspec.
+ """
+ slicename = self.hrn_to_plcslicename(slice_hrn)
+ #spec = Rspec(rspec)
+ node_hrns = []
+ #for netspec in spec['networks]:
+ # networkname = netspec['name']
+ # nodespec = spec['networks']['nodes']
+ # nodes = [nspec['name'] for nspec in nodespec]
+ # node_hrns = [networkname + node for node in nodes]
+ #
+ self.db.AddSliceToNodes(slice_hrn, node_hrns)
+ return 1
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.
- """
- self.db.DeleteSliceFromNodes(self.auth, slicename, self.components)
- return 1
+ """
+ Remove this slice from all components it was previouly associated with and
+ free up the resources it was using.
+ """
+ self.db.DeleteSliceFromNodes(self.auth, slicename, self.components)
+ 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
+ """
+ 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'])
+ """
+ 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
+ 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
+ """
+ Reset the slice
+ """
+ slicename = self.hrn_to_plcslicename(slice_hrn)
+ return 1
def get_policy(self):
- """
- Return the policy of this slice manager.
- """
+ """
+ Return the policy of this slice manager.
+ """
- return self.policy
+ return self.policy