import xmlrpclib
from util.geniserver import *
+from util.geniclient import *
from util.cert import *
from util.trustedroot import *
from util.excep import *
timestamp = None
threshold = None
shell = None
+ registry = None
##
# Create a new aggregate object.
def __init__(self, ip, port, key_file, cert_file, config = "/usr/share/geniwrapper/util/geni_config"):
GeniServer.__init__(ip, port, keyfile, cert_file)
- conf = Config(config)
+ conf = Config(config)
basedir = conf.GENI_BASE_DIR + os.sep
server_basedir = basedir + os.sep + "plc" + os.sep
- self.hrn = conf.GENI_INTERFACE_HRN
- self.components_file = os.sep.join([server_basedir, 'components', hrn + '.comp'])
- self.whitelist_file = os.sep.join([server_basedir, 'policy', 'whitelist'])
- self.blacklist_file = os.sep.join([server_basedir, 'policy', 'blacklist'])
- self.timestamp_file = os.sep.join([server_basedir, 'components', hrn + '.timestamp'])
- self.components_ttl = components_ttl
- self.policy['whitelist'] = []
- self.policy['blacklist'] = []
- self.connectPLC()
- self.connectRegistry()
+ self.hrn = conf.GENI_INTERFACE_HRN
+ self.components_file = os.sep.join([server_basedir, 'components', hrn + '.comp'])
+ self.whitelist_file = os.sep.join([server_basedir, 'policy', 'whitelist'])
+ self.blacklist_file = os.sep.join([server_basedir, 'policy', 'blacklist'])
+ self.timestamp_file = os.sep.join([server_basedir, 'components', hrn + '.timestamp'])
+ self.components_ttl = components_ttl
+ self.policy['whitelist'] = []
+ self.policy['blacklist'] = []
+ self.connectPLC()
+ self.connectRegistry()
def connectRegistry(self):
- """
- Connect to the registry
- """
+ """
+ Connect to the registry
+ """
+
def connectPLC(self):
- """
- 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': conf.GENI_PLC_USER,
+ """
+ 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': conf.GENI_PLC_USER,
'AuthMethod': 'password',
'AuthString': conf.GENI_PLC_PASSWORD}
- try:
- # try to import PLC.Shell directly
- sys.path.append(conf.GENI_PLC_SHELL_PATH)
- import PLC.Shell
- self.shell = PLC.Shell.Shell(globals())
- self.shell.AuthCheck()
- except ImportError:
+ try:
+ # try to import PLC.Shell directly
+ sys.path.append(conf.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 = conf.GENI_PLC_HOST
- plc_port = conf.GENI_PLC_PORT
- plc_api_path = conf.GENI_PLC_API_PATH
- url = "https://%(plc_host)s:%(plc_port)s/%(plc_api_path)s/" % locals()
+ plc_host = conf.GENI_PLC_HOST
+ plc_port = conf.GENI_PLC_PORT
+ plc_api_path = conf.GENI_PLC_API_PATH
+ url = "https://%(plc_host)s:%(plc_port)s/%(plc_api_path)s/" % locals()
self.auth = {'Username': conf.GENI_PLC_USER,
'AuthMethod': 'password',
'AuthString': conf.GENI_PLC_PASSWORD}
- self.shell = xmlrpclib.Server(url, verbose = 0, allow_none = True)
- self.shell.AuthCheck(self.auth)
+ self.shell = xmlrpclib.Server(url, verbose = 0, allow_none = True)
+ self.shell.AuthCheck(self.auth)
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"
- # resolve component hostnames
- nodes = self.shell.GetNodes(self.auth, {}, ['hostname', 'site_id'])
+ """
+ Update the cached list of nodes.
+ """
+ # resolve component hostnames
+ nodes = self.shell.GetNodes(self.auth, {}, ['hostname', 'site_id'])
- # resolve site login_bases
- site_ids = [node['site_id'] for node in nodes]
- sites = self.shell.GetSites(self.auth, site_ids, ['site_id', 'login_base'])
- site_dict = {}
- for site in sites:
- site_dict[site['site_id']] = site['login_base']
-
- # convert plc names to geni hrn
- self.components = [self.hostname_to_hrn(site_dict[node['site_id']], node['hostname']) for node in nodes]
-
- # apply policy. Do not allow nodes found in blacklist, only allow nodes found in whitelist
- whitelist_policy = lambda node: node in self.policy['whitelist']
- blacklist_policy = lambda node: node not in self.policy['blacklist']
-
- if self.policy['blacklist']:
- self.components = blacklist_policy(self.components)
- if self.policy['whitelist']:
- self.components = whitelist_policy(self.components)
+ # resolve site login_bases
+ site_ids = [node['site_id'] for node in nodes]
+ sites = self.shell.GetSites(self.auth, site_ids, ['site_id', 'login_base'])
+ site_dict = {}
+ for site in sites:
+ site_dict[site['site_id']] = site['login_base']
+
+ # convert plc names to geni hrn
+ self.components = [self.hostname_to_hrn(site_dict[node['site_id']], node['hostname']) for node in nodes]
+
+ # apply policy. Do not allow nodes found in blacklist, only allow nodes found in whitelist
+ whitelist_policy = lambda node: node in self.policy['whitelist']
+ blacklist_policy = lambda node: node not in self.policy['blacklist']
+
+ if self.policy['blacklist']:
+ self.components = blacklist_policy(self.components)
+ if self.policy['whitelist']:
+ self.components = whitelist_policy(self.components)
- # update timestamp and threshold
- self.timestamp = datetime.datetime.now()
- delta = datetime.timedelta(hours=self.components_ttl)
- self.threshold = self.timestamp + delta
+ # update timestamp and threshold
+ self.timestamp = datetime.datetime.now()
+ delta = datetime.timedelta(hours=self.components_ttl)
+ self.threshold = self.timestamp + delta
- 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()
+ 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):
- """
- Read cached list of nodes.
- """
- print "loading components"
- # Read component list from cached file
- if os.path.exists(self.components_file):
- f = open(self.components_file, 'r')
- self.components = eval(f.read())
- f.close()
+ """
+ Read cached list of nodes.
+ """
+ # Read component list from cached file
+ if os.path.exists(self.components_file):
+ f = open(self.components_file, 'r')
+ self.components = eval(f.read())
+ f.close()
- time_format = "%Y-%m-%d %H:%M:%S"
- if os.path.exists(self.timestamp_file):
- f = open(self.timestamp_file, 'r')
- timestamp = str(f.read()).split(".")[0]
- self.timestamp = datetime.datetime.fromtimestamp(time.mktime(time.strptime(timestamp, time_format)))
- delta = datetime.timedelta(hours=self.components_ttl)
+ time_format = "%Y-%m-%d %H:%M:%S"
+ if os.path.exists(self.timestamp_file):
+ f = open(self.timestamp_file, 'r')
+ timestamp = str(f.read()).split(".")[0]
+ self.timestamp = datetime.datetime.fromtimestamp(time.mktime(time.strptime(timestamp, time_format)))
+ delta = datetime.timedelta(hours=self.components_ttl)
self.threshold = self.timestamp + delta
- f.close()
+ f.close()
def load_policy(self):
- """
- Read the list of blacklisted and whitelisted nodes.
- """
- whitelist = []
- blacklist = []
- if os.path.exists(self.whitelist_file):
+ """
+ Read the list of blacklisted and whitelisted nodes.
+ """
+ whitelist = []
+ blacklist = []
+ if os.path.exists(self.whitelist_file):
f = open(self.whitelist_file, 'r')
- lines = f.readlines()
+ lines = f.readlines()
f.close()
for line in lines:
- line = line.strip().replace(" ", "").replace("\n", "")
- whitelist.extend(line.split(","))
+ line = line.strip().replace(" ", "").replace("\n", "")
+ whitelist.extend(line.split(","))
- if os.path.exists(self.blacklist_file):
+ if os.path.exists(self.blacklist_file):
f = open(self.blacklist_file, 'r')
lines = f.readlines()
f.close()
for line in lines:
- line = line.strip().replace(" ", "").replace("\n", "")
- blacklist.extend(line.split(","))
+ line = line.strip().replace(" ", "").replace("\n", "")
+ blacklist.extend(line.split(","))
- self.policy['whitelist'] = whitelist
- self.policy['blacklist'] = blacklist
+ self.policy['whitelist'] = whitelist
+ self.policy['blacklist'] = blacklist
def get_components(self):
- """
- Return a list of components at this aggregate.
- """
- # 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 at this aggregate.
+ """
+ # 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_rspec(self, hrn, type):
- #rspec = Rspec()
- #rspec['nodespec'] = {'name': self.conf.GENI_INTERFACE_HRN}
- #rsepc['nodespec']['nodes'] = []
- if type in ['node']:
- nodes = self.shell.GetNodes(self.auth)
- elif type in ['slice']:
- slicename = hrn_to_pl_slicename(hrn)
- slices = self.shell.GetSlices(self.auth, [slicename])
- node_ids = slices[0]['node_ids']
- nodes = self.shell.GetNodes(self.auth, node_ids)
- for node in nodes:
- nodespec = {'name': node['hostname'], 'type': 'std'}
- # rspec['nodespec']['nodes'].append(nodespec)
-
- elif type in ['aggregate']:
- pass
-
- #return rspec
+ rspec = Rspec()
+ rspec['nodespec'] = {'name': self.conf.GENI_INTERFACE_HRN}
+ rsepc['nodespec']['nodes'] = []
+ if type in ['node']:
+ nodes = self.shell.GetNodes(self.auth)
+ elif type in ['slice']:
+ slicename = hrn_to_pl_slicename(hrn)
+ slices = self.shell.GetSlices(self.auth, [slicename])
+ node_ids = slices[0]['node_ids']
+ nodes = self.shell.GetNodes(self.auth, node_ids)
+ for node in nodes:
+ nodespec = {'name': node['hostname'], 'type': 'std'}
+ elif type in ['aggregate']:
+ pass
+
+ return rspec
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)
- 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)
+ """
+ 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
+ return 1
def update_slice(self, slice_hrn, rspec, attributes = []):
- """
- Update the specified slice.
- """
- # Get slice info
- slicename = self.hrn_to_plcslicename(slice_hrn)
+ """
+ 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
+ # 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')
+ # 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)
+ # 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)
+ 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']
+ # 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)
+ #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]
+ """
+ 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
+ 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
+ """
+ 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 this aggregates policy.
- """
+ """
+ Return this aggregates policy.
+ """
- return self.policy
+ return self.policy