X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=sfa%2Fplanetlab%2Fpldriver.py;h=43ee799bc846ffde64d557a9f29b2e74033ed84a;hb=f189c9fd5c1cd852fdff0bdab92fe26d6ef2b7de;hp=bb6edbba45251318ce2738ca13ea1b669e17d011;hpb=f20bd23e1b184593ef950ea269f0034a550c90f4;p=sfa.git diff --git a/sfa/planetlab/pldriver.py b/sfa/planetlab/pldriver.py index bb6edbba..43ee799b 100644 --- a/sfa/planetlab/pldriver.py +++ b/sfa/planetlab/pldriver.py @@ -1,7 +1,8 @@ import datetime # from sfa.util.faults import MissingSfaInfo, UnknownSfaType, \ - RecordNotFound, SfaNotImplemented, SliverDoesNotExist, SearchFailed + RecordNotFound, SfaNotImplemented, SliverDoesNotExist, SearchFailed, \ + UnsupportedOperation from sfa.util.sfalogging import logger from sfa.util.defaultdict import defaultdict from sfa.util.sfatime import utcparse, datetime_to_string, datetime_to_epoch @@ -10,7 +11,7 @@ from sfa.util.cache import Cache # one would think the driver should not need to mess with the SFA db, but.. from sfa.storage.alchemy import dbsession -from sfa.storage.model import RegRecord +from sfa.storage.model import RegRecord, SliverAllocation # used to be used in get_ticket #from sfa.trust.sfaticket import SfaTicket @@ -568,78 +569,16 @@ class PlDriver (Driver): rspec = aggregate.list_resources(version=version, options=options) return rspec - def describe(self, urns, version, options={}): + def describe(self, urns, version, options={}, allocation_status=None): aggregate = PlAggregate(self) return aggregate.describe(urns, version=version, options=options) def status (self, urns, options={}): aggregate = PlAggregate(self) desc = aggregate.describe(urns) - return desc['geni_slivers'] - - # find out where this slice is currently running - slicename = hrn_to_pl_slicename(slice_hrn) - - slices = self.shell.GetSlices([slicename], ['slice_id', 'node_ids','person_ids','name','expires']) - if len(slices) == 0: - raise SliverDoesNotExist("%s (used %s as slicename internally)" % (slice_hrn, slicename)) - slice = slices[0] - - # report about the local nodes only - nodes = self.shell.GetNodes({'node_id':slice['node_ids'],'peer_id':None}, - ['node_id', 'hostname', 'site_id', 'boot_state', 'last_contact']) - - if len(nodes) == 0: - raise SliverDoesNotExist("You have not allocated any slivers here") - - # get login info - user = {} - if slice['person_ids']: - persons = self.shell.GetPersons(slice['person_ids'], ['key_ids']) - key_ids = [key_id for person in persons for key_id in person['key_ids']] - person_keys = self.shell.GetKeys(key_ids) - keys = [key['key'] for key in person_keys] - - user.update({'urn': slice_urn, - 'login': slice['name'], - 'protocol': ['ssh'], - 'port': ['22'], - 'keys': keys}) - - site_ids = [node['site_id'] for node in nodes] - - result = {} - result['geni_urn'] = slice_urn - result['pl_login'] = slice['name'] - result['pl_expires'] = datetime_to_string(utcparse(slice['expires'])) - result['geni_expires'] = datetime_to_string(utcparse(slice['expires'])) - - resources = [] - for node in nodes: - res = {} - res['pl_hostname'] = node['hostname'] - res['pl_boot_state'] = node['boot_state'] - res['pl_last_contact'] = node['last_contact'] - res['geni_expires'] = datetime_to_string(utcparse(slice['expires'])) - if node['last_contact'] is not None: - - res['pl_last_contact'] = datetime_to_string(utcparse(node['last_contact'])) - sliver_id = "%s:%s" % (slice['slice_id'], node['node_id']) - sliver_xrn = Xrn(slice_urn, id = sliver_id) - sliver_xrn.set_authority(self.hrn) - res['geni_urn'] = sliver_xrn.get_urn() - if node['boot_state'] == 'boot': - res['geni_status'] = 'ready' - else: - res['geni_status'] = 'failed' - res['geni_allocation_status'] = 'geni_provisioned' - - res['geni_error'] = '' - res['users'] = [user] - resources.append(res) - - result['geni_resources'] = resources - return result + status = {'geni_urn': desc['geni_urn'], + 'geni_slivers': desc['geni_slivers']} + return status def allocate (self, urn, rspec_string, options={}): xrn = Xrn(urn) @@ -675,8 +614,16 @@ class PlDriver (Driver): hostname = xrn_to_hostname(node.get('component_id').strip()) if hostname: requested_slivers.append(hostname) - nodes = slices.verify_slice_nodes(slice, requested_slivers, peer) - + nodes = slices.verify_slice_nodes(slice, requested_slivers, peer) + + # update all sliver allocation states setting then to geni_allocated + sliver_ids = [] + for node in nodes: + sliver_hrn = '%s.%s-%s' % (self.hrn, slice['slice_id'], node['node_id']) + sliver_id = Xrn(sliver_hrn, type='sliver').urn + sliver_ids.append(sliver_id) + SliverAllocation.set_allocations(sliver_ids, 'geni_allocated') + # add/remove links links slices.verify_slice_links(slice, rspec.version.get_link_requests(), nodes) @@ -695,46 +642,60 @@ class PlDriver (Driver): requested_leases.append(requested_lease) leases = slices.verify_slice_leases(slice, requested_leases, kept_leases, peer) - # handle MyPLC peer association. # only used by plc and ple. slices.handle_peer(site, slice, persons, peer) - return aggregate.describe([xrn.get_urn()], version=rspec.version, allocation_status='geni_allocated') + return aggregate.describe([xrn.get_urn()], version=rspec.version) def provision(self, urns, options={}): - return self.describe(urns, None, options=options, allocation_status='geni_provisioned') + # update sliver allocation states and set them to geni_provisioned + aggregate = PlAggregate(self) + slivers = aggregate.get_slivers(urns) + sliver_ids = [sliver['sliver_id'] for sliver in slivers] + SliverAllocation.set_allocations(sliver_ids, 'geni_provisioned') + + return self.describe(urns, None, options=options) def delete(self, urns, options={}): - names = [] - ids = [] - for urn in urns: - xrn = PlXrn(xrn=urn, type='slice') - names.append(xrn.pl_slicename()) - if xrn.id: - ids.append(xrn.id) - slices = self.shell.GetSlices({'name': names}) - if not slices: - raise SearchFailed(urns) - slice = slices[0] - if ids: - node_ids = ids - else: - node_ids = slice['node_ids'] - slice_hrn = PlXrn(auth=self.hrn, slicename=slice['name']).get_hrn() - # determine if this is a peer slice - # xxx I wonder if this would not need to use PlSlices.get_peer instead - # in which case plc.peers could be deprecated as this here - # is the only/last call to this last method in plc.peers - peer = peers.get_peer(self, slice_hrn) - try: - if peer: - self.shell.UnBindObjectFromPeer('slice', slice['slice_id'], peer) - self.shell.DeleteSliceFromNodes(slice['slice_id'], node_ids) - finally: - if peer: - self.shell.BindObjectToPeer('slice', slice['slice_id'], peer, slice['peer_slice_id']) - return True + # collect sliver ids so we can update sliver allocation states after + # we remove the slivers. + aggregate = PlAggregate(self) + slivers = aggregate.get_slivers(urns) + if slivers: + slice_id = slivers[0]['slice_id'] + node_ids = [] + sliver_ids = [] + for sliver in slivers: + node_ids.append(sliver['node_id']) + sliver_ids.append(sliver['sliver_id']) + + # determine if this is a peer slice + # xxx I wonder if this would not need to use PlSlices.get_peer instead + # in which case plc.peers could be deprecated as this here + # is the only/last call to this last method in plc.peers + slice_hrn = PlXrn(auth=self.hrn, slicename=slivers[0]['name']).get_hrn() + peer = peers.get_peer(self, slice_hrn) + try: + if peer: + self.shell.UnBindObjectFromPeer('slice', slice_id, peer) + + self.shell.DeleteSliceFromNodes(slice_id, node_ids) + + # delete sliver allocation states + SliverAllocation.delete_allocations(sliver_ids) + finally: + if peer: + self.shell.BindObjectToPeer('slice', slice_id, peer, slice['peer_slice_id']) + + # prepare return struct + geni_slivers = [] + for sliver in slivers: + geni_slivers.append( + {'geni_sliver_urn': sliver['sliver_id'], + 'geni_allocation_status': 'geni_unallocated', + 'geni_expires': datetime_to_string(utcparse(sliver['expires']))}) + return geni_slivers def renew (self, urns, expiration_time, options={}): # we can only renew slices, not individual slivers. ignore sliver @@ -749,22 +710,29 @@ class PlDriver (Driver): slice = slices[0] requested_time = utcparse(expiration_time) record = {'expires': int(datetime_to_epoch(requested_time))} - try: - self.shell.UpdateSlice(slice['slice_id'], record) - return True - except: - return False + self.shell.UpdateSlice(slice['slice_id'], record) + description = self.describe(urns, None, options) + return description['geni_slivers'] + def perform_operational_action (self, urns, action, options={}): # MyPLC doesn't support operational actions. Lets pretend like it # supports start, but reject everything else. action = action.lower() - if action == 'geni_start': - pass - else: + if action not in ['geni_start']: raise UnsupportedOperation(action) + + # fault if sliver is not full allocated (operational status is geni_pending_allocation) description = self.describe(urns, None, options) - return description['geni_slivers'] + for sliver in description['geni_slivers']: + if sliver['geni_operational_status'] == 'geni_pending_allocation': + raise UnsupportedOperation(action, "Sliver must be fully allocated (operational status is not geni_pending_allocation)") + # + # Perform Operational Action Here + # + + geni_slivers = self.describe(urns, None, options)['geni_slivers'] + return geni_slivers # set the 'enabled' tag to 0 def shutdown (self, xrn, options={}):