-import time
-import sys
-
-from sfa.util.sfalogging import logger
-from sfa.util.faults import RecordNotFound, SliverDoesNotExist
-from sfa.util.xrn import Xrn, get_authority, hrn_to_urn, urn_to_hrn, urn_to_sliver_id
-from sfa.util.plxrn import slicename_to_hrn, hrn_to_pl_slicename
+import socket
+from sfa.rspecs.version_manager import VersionManager
from sfa.util.version import version_core
-from sfa.util.sfatime import utcparse
+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.trust.sfaticket import SfaTicket
-from sfa.trust.credential import Credential
-
-from sfa.rspecs.version_manager import VersionManager
-from sfa.rspecs.rspec import RSpec
-
-from sfa.server.sfaapi import SfaApi
-
-import sfa.plc.peers as peers
-from sfa.plc.plaggregate import PlAggregate
-from sfa.plc.plslices import PlSlices
class AggregateManager:
- def __init__ (self):
- # xxx Thierry : caching at the aggregate level sounds wrong...
- self.caching=True
- #self.caching=False
+ def __init__ (self, config): pass
# 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')
version = version_core()
- version_generic = {'interface':'aggregate',
- 'sfa': 2,
- 'geni_api': 2,
- 'hrn':xrn.get_hrn(),
- 'urn':xrn.get_urn(),
- }
+ cred_types = [{'geni_type': 'geni_sfa', 'geni_version': str(i)} for i in range(4)[-2:]]
+ version_generic = {
+ 'testbed': self.driver.testbed_name(),
+ 'interface':'aggregate',
+ 'hrn':xrn.get_hrn(),
+ 'urn':xrn.get_urn(),
+ 'geni_api': 3,
+ 'geni_api_versions': {'3': 'http://%s:%s' % (socket.gethostname(), api.config.sfa_aggregate_port)},
+ '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_best_effort': 'true',
+ '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 SliverStatus (self, api, slice_xrn, creds, options):
+ def ListResources(self, api, creds, options):
call_id = options.get('call_id')
- if Callids().already_handled(call_id): return {}
+ if Callids().already_handled(call_id): return ""
+
+ # 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
- xrn = Xrn(slice_xrn)
- slice_urn=xrn.get_urn()
- slice_hrn=xrn.get_hrn()
+ def Describe(self, api, creds, urns, options):
+ call_id = options.get('call_id')
+ if Callids().already_handled(call_id): return ""
- return self.driver.sliver_status (slice_urn, slice_hrn)
+ version_manager = VersionManager()
+ rspec_version = version_manager.get_version(options.get('geni_rspec_version'))
+ return self.driver.describe(urns, rspec_version, options)
+
- def CreateSliver(self, api, slice_xrn, creds, rspec_string, users, options):
+ def Status (self, api, urns, creds, options):
+ call_id = options.get('call_id')
+ if Callids().already_handled(call_id): return {}
+ return self.driver.status (urns, options=options)
+
+
+ def Allocate(self, api, xrn, creds, rspec_string, 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, 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(slice_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 RenewSliver(self, api, xrn, creds, expiration_time, options):
+ def Delete(self, api, xrns, creds, options):
call_id = options.get('call_id')
if Callids().already_handled(call_id): return True
-
- xrn = Xrn(slice_xrn)
- slice_urn=xrn.get_urn()
- slice_hrn=xrn.get_hrn()
+ return self.driver.delete(xrns, options)
- return self.driver.renew_sliver (slice_urn, slice_hrn, creds, expiration_time, options)
-
- def start_slice(self, api, xrn, creds):
- (hrn, _) = urn_to_hrn(xrn)
- slicename = hrn_to_pl_slicename(hrn)
- slices = api.driver.GetSlices({'name': slicename}, ['slice_id'])
- if not slices:
- raise RecordNotFound(hrn)
- slice_id = slices[0]['slice_id']
- slice_tags = api.driver.GetSliceTags({'slice_id': slice_id, 'tagname': 'enabled'}, ['slice_tag_id'])
- # just remove the tag if it exists
- if slice_tags:
- api.driver.DeleteSliceTag(slice_tags[0]['slice_tag_id'])
-
- return 1
-
- def stop_slice(self, api, xrn, creds):
- hrn, _ = urn_to_hrn(xrn)
- slicename = hrn_to_pl_slicename(hrn)
- slices = api.driver.GetSlices({'name': slicename}, ['slice_id'])
- if not slices:
- raise RecordNotFound(hrn)
- slice_id = slices[0]['slice_id']
- slice_tags = api.driver.GetSliceTags({'slice_id': slice_id, 'tagname': 'enabled'})
- if not slice_tags:
- api.driver.AddSliceTag(slice_id, 'enabled', '0')
- elif slice_tags[0]['value'] != "0":
- tag_id = slice_tags[0]['slice_tag_id']
- api.driver.UpdateSliceTag(tag_id, '0')
- return 1
-
- def reset_slice(self, api, xrn):
- # XX not implemented at this interface
- return 1
-
- def DeleteSliver(self, api, xrn, creds, options):
+ def Renew(self, api, xrns, creds, expiration_time, options):
call_id = options.get('call_id')
- if Callids().already_handled(call_id): return ""
- (hrn, _) = urn_to_hrn(xrn)
- slicename = hrn_to_pl_slicename(hrn)
- slices = api.driver.GetSlices({'name': slicename})
- if not slices:
- return 1
- slice = slices[0]
-
- # determine if this is a peer slice
- peer = peers.get_peer(api, hrn)
- try:
- if peer:
- api.driver.UnBindObjectFromPeer('slice', slice['slice_id'], peer)
- api.driver.DeleteSliceFromNodes(slicename, slice['node_ids'])
- finally:
- if peer:
- api.driver.BindObjectToPeer('slice', slice['slice_id'], peer, slice['peer_slice_id'])
- return 1
-
- def ListSlices(self, api, creds, options):
+ if Callids().already_handled(call_id): return True
+ return self.driver.renew(xrns, expiration_time, options)
+
+ def PerformOperationalAction(self, api, xrns, creds, action, options={}):
call_id = options.get('call_id')
- if Callids().already_handled(call_id): return []
- # look in cache first
- if self.caching and api.cache:
- slices = api.cache.get('slices')
- if slices:
- return slices
-
- # get data from db
- slices = api.driver.GetSlices({'peer_id': None}, ['name'])
- slice_hrns = [slicename_to_hrn(api.hrn, slice['name']) for slice in slices]
- slice_urns = [hrn_to_urn(slice_hrn, 'slice') for slice_hrn in slice_hrns]
-
- # cache the result
- if self.caching and api.cache:
- api.cache.add('slices', slice_urns)
-
- return slice_urns
-
- def ListResources(self, api, creds, options):
+ 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 ""
- # get slice's hrn from options
- xrn = options.get('geni_slice_urn', None)
- cached = options.get('cached', True)
- (hrn, _) = urn_to_hrn(xrn)
-
- version_manager = VersionManager()
- # get the rspec's return format from options
- rspec_version = version_manager.get_version(options.get('geni_rspec_version'))
- 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')
-
- # look in cache first
- if self.caching and api.cache and not xrn and cached:
- rspec = api.cache.get(version_string)
- if rspec:
- api.logger.info("aggregate.ListResources: returning cached value for hrn %s"%hrn)
- return rspec
-
- #panos: passing user-defined options
- #print "manager options = ",options
- aggregate = PlAggregate(self.driver)
- rspec = aggregate.get_rspec(slice_xrn=xrn, version=rspec_version, options=options)
-
- # cache the result
- if self.caching and api.cache and not xrn:
- api.cache.add(version_string, rspec)
-
- return rspec
-
-
- def GetTicket(self, api, xrn, creds, rspec, users, options):
-
- (slice_hrn, _) = urn_to_hrn(xrn)
- slices = PlSlices(self.driver)
- peer = slices.get_peer(slice_hrn)
- sfa_peer = slices.get_sfa_peer(slice_hrn)
-
- # get the slice record
- credential = api.getCredential()
- interface = api.registries[api.hrn]
- registry = api.server_proxy(interface, credential)
- records = registry.Resolve(xrn, credential)
-
- # make sure we get a local slice record
- record = None
- for tmp_record in records:
- if tmp_record['type'] == 'slice' and \
- not tmp_record['peer_authority']:
- #Error (E0602, GetTicket): Undefined variable 'SliceRecord'
- record = SliceRecord(dict=tmp_record)
- if not record:
- raise RecordNotFound(slice_hrn)
-
- # similar to CreateSliver, we must verify that the required records exist
- # at this aggregate before we can issue a ticket
- # parse rspec
- rspec = RSpec(rspec_string)
- requested_attributes = rspec.version.get_slice_attributes()
-
- # ensure site record exists
- site = slices.verify_site(hrn, slice_record, peer, sfa_peer)
- # ensure slice record exists
- slice = slices.verify_slice(hrn, slice_record, peer, sfa_peer)
- # ensure person records exists
- persons = slices.verify_persons(hrn, slice, users, peer, sfa_peer)
- # ensure slice attributes exists
- slices.verify_slice_attributes(slice, requested_attributes)
-
- # get sliver info
- slivers = slices.get_slivers(slice_hrn)
-
- if not slivers:
- raise SliverDoesNotExist(slice_hrn)
-
- # get initscripts
- initscripts = []
- data = {
- 'timestamp': int(time.time()),
- 'initscripts': initscripts,
- 'slivers': slivers
- }
-
- # create the ticket
- object_gid = record.get_gid_object()
- new_ticket = SfaTicket(subject = object_gid.get_subject())
- new_ticket.set_gid_caller(api.auth.client_gid)
- new_ticket.set_gid_object(object_gid)
- new_ticket.set_issuer(key=api.key, subject=api.hrn)
- new_ticket.set_pubkey(object_gid.get_pubkey())
- new_ticket.set_attributes(data)
- new_ticket.set_rspec(rspec)
- #new_ticket.set_parent(api.auth.hierarchy.get_auth_ticket(auth_hrn))
- new_ticket.encode()
- new_ticket.sign()
+ if Callids().already_handled(call_id): return True
+ return self.driver.shutdown(xrn, options)
- return new_ticket.save_to_string(save_parents=True)