+import datetime
#
from sfa.util.faults import MissingSfaInfo, UnknownSfaType
from sfa.util.sfalogging import logger
# one would think the driver should not need to mess with the SFA db, but..
from sfa.storage.table import SfaTable
+from sfa.rspecs.version_manager import VersionManager
+from sfa.rspecs.rspec import RSpec
+
# the driver interface, mostly provides default behaviours
from sfa.managers.driver import Driver
from sfa.plc.plshell import PlShell
+import sfa.plc.peers as peers
+from sfa.plc.plaggregate import PlAggregate
+from sfa.plc.plslices import PlSlices
+
def list_to_dict(recs, key):
"""
convert a list of dictionaries into a dictionary keyed on the
def __init__ (self, config):
PlShell.__init__ (self, config)
+ Driver.__init__ (self, config)
- self.hrn = config.SFA_INTERFACE_HRN
+ ########################################
+ ########## registry oriented
+ ########################################
########## disabled users
def is_enabled (self, record):
logger.info('unexpected relation to maintain, %s -> %s'%(subject_type,target_type))
+ ########################################
+ ########## aggregate oriented
+ ########################################
+
+ def testbed_name (self): return "myplc"
+
+ # 'geni_request_rspec_versions' and 'geni_ad_rspec_versions' are mandatory
+ def aggregate_version (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 {
+ 'testbed':self.testbed_name(),
+ 'geni_request_rspec_versions': request_rspec_versions,
+ 'geni_ad_rspec_versions': ad_rspec_versions,
+ }
+
+ def sliver_status (self, slice_urn, slice_hrn):
+ # find out where this slice is currently running
+ slicename = hrn_to_pl_slicename(slice_hrn)
+
+ slices = self.GetSlices([slicename], ['slice_id', 'node_ids','person_ids','name','expires'])
+ if len(slices) == 0:
+ raise Exception("Slice %s not found (used %s as slicename internally)" % (slice_xrn, slicename))
+ slice = slices[0]
+
+ # report about the local nodes only
+ nodes = self.GetNodes({'node_id':slice['node_ids'],'peer_id':None},
+ ['node_id', 'hostname', 'site_id', 'boot_state', 'last_contact'])
+ site_ids = [node['site_id'] for node in nodes]
+
+ result = {}
+ top_level_status = 'unknown'
+ if nodes:
+ top_level_status = 'ready'
+ result['geni_urn'] = slice_urn
+ result['pl_login'] = slice['name']
+ result['pl_expires'] = datetime.datetime.fromtimestamp(slice['expires']).ctime()
+
+ 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']
+ if node['last_contact'] is not None:
+ res['pl_last_contact'] = datetime.datetime.fromtimestamp(node['last_contact']).ctime()
+ sliver_id = urn_to_sliver_id(slice_urn, slice['slice_id'], node['node_id'])
+ res['geni_urn'] = sliver_id
+ if node['boot_state'] == 'boot':
+ res['geni_status'] = 'ready'
+ else:
+ res['geni_status'] = 'failed'
+ top_level_status = 'failed'
+
+ res['geni_error'] = ''
+
+ resources.append(res)
+
+ result['geni_status'] = top_level_status
+ result['geni_resources'] = resources
+ return result
+
+ def create_sliver (self, slice_urn, slice_hrn, creds, rspec_string, users, options):
+
+ aggregate = PlAggregate(self)
+ slices = PlSlices(self)
+ peer = slices.get_peer(slice_hrn)
+ sfa_peer = slices.get_sfa_peer(slice_hrn)
+ slice_record=None
+ if users:
+ slice_record = users[0].get('slice_record', {})
+
+ # parse rspec
+ rspec = RSpec(rspec_string)
+ requested_attributes = rspec.version.get_slice_attributes()
+
+ # ensure site record exists
+ site = slices.verify_site(slice_hrn, slice_record, peer, sfa_peer, options=options)
+ # ensure slice record exists
+ slice = slices.verify_slice(slice_hrn, slice_record, peer, sfa_peer, options=options)
+ # ensure person records exists
+ persons = slices.verify_persons(slice_hrn, slice, users, peer, sfa_peer, options=options)
+ # ensure slice attributes exists
+ slices.verify_slice_attributes(slice, requested_attributes, options=options)
+
+ # add/remove slice from nodes
+ requested_slivers = [node.get('component_name') for node in rspec.version.get_nodes_with_slivers()]
+ nodes = slices.verify_slice_nodes(slice, requested_slivers, peer)
+
+ # add/remove links links
+ slices.verify_slice_links(slice, rspec.version.get_link_requests(), nodes)
+
+ # handle MyPLC peer association.
+ # only used by plc and ple.
+ slices.handle_peer(site, slice, persons, peer)
+
+ return aggregate.get_rspec(slice_xrn=slice_urn, version=rspec.version)
+
+ def renew_sliver (self, slice_urn, slice_hrn, creds, expiration_time, options):
+ slicename = hrn_to_pl_slicename(slice_hrn)
+ slices = self.driver.GetSlices({'name': slicename}, ['slice_id'])
+ if not slices:
+ raise RecordNotFound(slice_hrn)
+ slice = slices[0]
+ requested_time = utcparse(expiration_time)
+ record = {'expires': int(time.mktime(requested_time.timetuple()))}
+ try:
+ self.driver.UpdateSlice(slice['slice_id'], record)
+ return True
+ except:
+ return False
+
git://git.onelab.eu / sfa.git / blobdiff