+import socket
+from sfa.rspecs.version_manager import VersionManager
from sfa.util.version import version_core
from sfa.util.xrn import Xrn
from sfa.util.callids import Callids
+from sfa.util.sfalogging import logger
+from sfa.util.faults import SfaInvalidArgument, InvalidRSpecVersion
+from sfa.server.api_versions import ApiVersions
+
class AggregateManager:
# essentially a union of the core version, the generic version (this code) and
# whatever the driver needs to expose
+
+ def rspec_versions(self):
+ version_manager = VersionManager()
+ ad_rspec_versions = []
+ request_rspec_versions = []
+ for rspec_version in version_manager.versions:
+ if rspec_version.content_type in ['*', 'ad']:
+ ad_rspec_versions.append(rspec_version.to_dict())
+ if rspec_version.content_type in ['*', 'request']:
+ request_rspec_versions.append(rspec_version.to_dict())
+ return {
+ 'geni_request_rspec_versions': request_rspec_versions,
+ 'geni_ad_rspec_versions': ad_rspec_versions,
+ }
+
+ def get_rspec_version_string(self, rspec_version, options={}):
+ version_string = "rspec_%s" % (rspec_version)
+
+ #panos adding the info option to the caching key (can be improved)
+ if options.get('info'):
+ version_string = version_string + "_"+options.get('info', 'default')
+
+ # Adding the list_leases option to the caching key
+ if options.get('list_leases'):
+ version_string = version_string + "_"+options.get('list_leases', 'default')
+
+ # Adding geni_available to caching key
+ if options.get('geni_available'):
+ version_string = version_string + "_" + str(options.get('geni_available'))
+
+ return version_string
+
def GetVersion(self, api, options):
- xrn=Xrn(api.hrn)
+ xrn=Xrn(api.hrn, type='authority+am')
version = version_core()
+ cred_types = [{'geni_type': 'geni_sfa', 'geni_version': str(i)} for i in range(4)[-2:]]
+ geni_api_versions = ApiVersions().get_versions()
+ geni_api_versions['3'] = 'http://%s:%s' % (api.config.sfa_aggregate_host, api.config.sfa_aggregate_port)
version_generic = {
+ 'testbed': self.driver.testbed_name(),
'interface':'aggregate',
- 'sfa': 2,
- 'geni_api': 2,
- 'geni_api_versions': {'2': 'http://%s:%s' % (api.config.SFA_AGGREGATE_HOST, api.config.SFA_AGGREGATE_PORT)},
'hrn':xrn.get_hrn(),
'urn':xrn.get_urn(),
- }
+ 'geni_api': 3,
+ 'geni_api_versions': geni_api_versions,
+ 'geni_single_allocation': 0, # Accept operations that act on as subset of slivers in a given state.
+ 'geni_allocate': 'geni_many',# Multiple slivers can exist and be incrementally added, including those which connect or overlap in some way.
+ 'geni_credential_types': cred_types,
+ }
version.update(version_generic)
+ version.update(self.rspec_versions())
testbed_version = self.driver.aggregate_version()
version.update(testbed_version)
return version
- def ListSlices(self, api, creds, options):
+ def ListResources(self, api, creds, options):
call_id = options.get('call_id')
- if Callids().already_handled(call_id): return []
- return self.driver.list_slices (creds, options)
+ if Callids().already_handled(call_id): return ""
- def ListResources(self, api, creds, options):
+ # get the rspec's return format from options
+ version_manager = VersionManager()
+ rspec_version = version_manager.get_version(options.get('geni_rspec_version'))
+ version_string = self.get_rspec_version_string(rspec_version, options)
+
+ # look in cache first
+ cached_requested = options.get('cached', True)
+ if cached_requested and self.driver.cache:
+ rspec = self.driver.cache.get(version_string)
+ if rspec:
+ logger.debug("%s.ListResources returning cached advertisement" % (self.driver.__module__))
+ return rspec
+
+ rspec = self.driver.list_resources (rspec_version, options)
+ if self.driver.cache:
+ logger.debug("%s.ListResources stores advertisement in cache" % (self.driver.__module__))
+ self.driver.cache.add(version_string, rspec)
+ return rspec
+
+ def Describe(self, api, creds, urns, options):
call_id = options.get('call_id')
if Callids().already_handled(call_id): return ""
- # get slice's hrn from options
- slice_xrn = options.get('geni_slice_urn', None)
- # pass None if no slice is specified
- if not slice_xrn:
- slice_hrn, slice_urn = None, None
- else:
- xrn = Xrn(slice_xrn)
- slice_urn=xrn.get_urn()
- slice_hrn=xrn.get_hrn()
-
- return self.driver.list_resources (slice_urn, slice_hrn, creds, options)
+ version_manager = VersionManager()
+ rspec_version = version_manager.get_version(options.get('geni_rspec_version'))
+ return self.driver.describe(urns, rspec_version, options)
+
- def SliverStatus (self, api, xrn, creds, options):
+ def Status (self, api, urns, creds, options):
call_id = options.get('call_id')
if Callids().already_handled(call_id): return {}
-
- xrn = Xrn(xrn)
- slice_urn=xrn.get_urn()
- slice_hrn=xrn.get_hrn()
- return self.driver.sliver_status (slice_urn, slice_hrn)
-
- def CreateSliver(self, api, xrn, creds, rspec_string, users, options):
+ return self.driver.status (urns, options=options)
+
+
+ def Allocate(self, api, xrn, creds, rspec_string, expiration, options):
+ """
+ Allocate resources as described in a request RSpec argument
+ to a slice with the named URN.
+ """
+ call_id = options.get('call_id')
+ if Callids().already_handled(call_id): return ""
+ return self.driver.allocate(xrn, rspec_string, expiration, options)
+
+ def Provision(self, api, xrns, creds, options):
"""
Create the sliver[s] (slice) at this aggregate.
Verify HRN and initialize the slice record in PLC if necessary.
"""
call_id = options.get('call_id')
if Callids().already_handled(call_id): return ""
-
- xrn = Xrn(xrn)
- slice_urn=xrn.get_urn()
- slice_hrn=xrn.get_hrn()
- return self.driver.create_sliver (slice_urn, slice_hrn, creds, rspec_string, users, options)
+ # make sure geni_rspec_version is specified in options
+ if 'geni_rspec_version' not in options:
+ msg = 'geni_rspec_version is required and must be set in options struct'
+ raise SfaInvalidArgument(msg, 'geni_rspec_version')
+ # make sure we support the requested rspec version
+ version_manager = VersionManager()
+ rspec_version = version_manager.get_version(options['geni_rspec_version'])
+ if not rspec_version:
+ raise InvalidRSpecVersion(options['geni_rspec_version'])
+
+ return self.driver.provision(xrns, options)
- def DeleteSliver(self, api, xrn, creds, options):
+ def Delete(self, api, xrns, creds, options):
call_id = options.get('call_id')
if Callids().already_handled(call_id): return True
+ return self.driver.delete(xrns, options)
- xrn = Xrn(xrn)
- slice_urn=xrn.get_urn()
- slice_hrn=xrn.get_hrn()
- return self.driver.delete_sliver (slice_urn, slice_hrn, creds, options)
-
- def RenewSliver(self, api, xrn, creds, expiration_time, options):
+ def Renew(self, api, xrns, creds, expiration_time, options):
call_id = options.get('call_id')
if Callids().already_handled(call_id): return True
-
- xrn = Xrn(xrn)
- slice_urn=xrn.get_urn()
- slice_hrn=xrn.get_hrn()
- return self.driver.renew_sliver (slice_urn, slice_hrn, creds, expiration_time, options)
-
- ### these methods could use an options extension for at least call_id
- def start_slice(self, api, xrn, creds):
- xrn = Xrn(xrn)
- slice_urn=xrn.get_urn()
- slice_hrn=xrn.get_hrn()
- return self.driver.start_slice (slice_urn, slice_hrn, creds)
-
- def stop_slice(self, api, xrn, creds):
- xrn = Xrn(xrn)
- slice_urn=xrn.get_urn()
- slice_hrn=xrn.get_hrn()
- return self.driver.stop_slice (slice_urn, slice_hrn, creds)
-
- def reset_slice(self, api, xrn):
- xrn = Xrn(xrn)
- slice_urn=xrn.get_urn()
- slice_hrn=xrn.get_hrn()
- return self.driver.reset_slice (slice_urn, slice_hrn)
-
- def GetTicket(self, api, xrn, creds, rspec, users, options):
-
- xrn = Xrn(xrn)
- slice_urn=xrn.get_urn()
- slice_hrn=xrn.get_hrn()
+ return self.driver.renew(xrns, expiration_time, options)
- return self.driver.get_ticket (slice_urn, slice_hrn, creds, rspec, options)
+ def PerformOperationalAction(self, api, xrns, creds, action, options={}):
+ call_id = options.get('call_id')
+ if Callids().already_handled(call_id): return True
+ return self.driver.perform_operational_action(xrns, action, options)
+ def Shutdown(self, api, xrn, creds, options={}):
+ call_id = options.get('call_id')
+ if Callids().already_handled(call_id): return True
+ return self.driver.shutdown(xrn, options)
+