import datetime
#
from sfa.util.faults import MissingSfaInfo, UnknownSfaType, \
- RecordNotFound, SfaNotImplemented, SliverDoesNotExist
-
+ RecordNotFound, SfaNotImplemented, SliverDoesNotExist, SearchFailed, \
+ UnsupportedOperation, Forbidden
from sfa.util.sfalogging import logger
from sfa.util.defaultdict import defaultdict
from sfa.util.sfatime import utcparse, datetime_to_string, datetime_to_epoch
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
+from sfa.trust.credential import Credential
# used to be used in get_ticket
#from sfa.trust.sfaticket import SfaTicket
-
from sfa.rspecs.version_manager import VersionManager
from sfa.rspecs.rspec import RSpec
# the cache instance is a class member so it survives across incoming requests
cache = None
- def __init__ (self, config):
- Driver.__init__ (self, config)
- self.config = config
+ def __init__ (self, api):
+ Driver.__init__ (self, api)
+ config = api.config
self.hrn = config.SFA_INTERFACE_HRN
self.root_auth = config.SFA_REGISTRY_ROOT_AUTH
self.shell = DummyShell (config)
self.testbedInfo = self.shell.GetTestbedInfo()
+ def check_sliver_credentials(self, creds, urns):
+ # build list of cred object hrns
+ slice_cred_names = []
+ for cred in creds:
+ slice_cred_hrn = Credential(cred=cred).get_gid_object().get_hrn()
+ slice_cred_names.append(DummyXrn(xrn=slice_cred_hrn).dummy_slicename())
+
+ # look up slice name of slivers listed in urns arg
+ slice_ids = []
+ for urn in urns:
+ sliver_id_parts = Xrn(xrn=urn).get_sliver_id_parts()
+ try:
+ slice_ids.append(int(sliver_id_parts[0]))
+ except ValueError:
+ pass
+
+ if not slice_ids:
+ raise Forbidden("sliver urn not provided")
+
+ slices = self.shell.GetSlices({'slice_ids': slice_ids})
+ sliver_names = [slice['slice_name'] for slice in slices]
+
+ # make sure we have a credential for every specified sliver ierd
+ for sliver_name in sliver_names:
+ if sliver_name not in slice_cred_names:
+ msg = "Valid credential not found for target: %s" % sliver_name
+ raise Forbidden(msg)
+
########################################
########## registry oriented
########################################
type=sfa_record['type']
pointer=sfa_record['pointer']
if type == 'user':
- self.shell.DeleteUser{'user_id': pointer})
+ self.shell.DeleteUser({'user_id': pointer})
elif type == 'slice':
- self.shell.DeleteSlice('slice_id': pointer)
+ self.shell.DeleteSlice({'slice_id': pointer})
elif type == 'node':
- self.shell.DeleteNode('node_id': pointer)
+ self.shell.DeleteNode({'node_id': pointer})
return True
# fill in key info
if record['type'] == 'user':
record['key_ids'] = []
- recors['keys'] = []
+ record['keys'] = []
for key in dummy_records['user'][record['pointer']]['keys']:
record['key_ids'].append(-1)
- recors['keys'].append(key)
+ record['keys'].append(key)
return records
# get the registry records
user_list, users = [], {}
- user_list = dbsession.query (RegRecord).filter(RegRecord.pointer.in_(user_ids))
+ user_list = self.api.dbsession().query (RegRecord).filter(RegRecord.pointer.in_(user_ids))
# create a hrns keyed on the sfa record's pointer.
# Its possible for multiple records to have the same pointer so
# the dict's value will be a list of hrns.
def update_relation (self, subject_type, target_type, relation_name, subject_id, target_ids):
# hard-wire the code for slice/user for now, could be smarter if needed
if subject_type =='slice' and target_type == 'user' and relation_name == 'researcher':
- subject=self.shell.GetSlices (subject_id)[0]
+ subject=self.shell.GetSlices ({'slice_id': subject_id})[0]
+ if 'user_ids' not in subject.keys():
+ subject['user_ids'] = []
current_target_ids = subject['user_ids']
add_target_ids = list ( set (target_ids).difference(current_target_ids))
del_target_ids = list ( set (current_target_ids).difference(target_ids))
def testbed_name (self): return "dummy"
- # '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 list_slices (self, creds, options):
-
- slices = self.shell.GetSlices()
- slice_hrns = [slicename_to_hrn(self.hrn, slice['slice_name']) for slice in slices]
- slice_urns = [hrn_to_urn(slice_hrn, 'slice') for slice_hrn in slice_hrns]
-
- return slice_urns
-
- # first 2 args are None in case of resource discovery
- def list_resources (self, slice_urn, slice_hrn, creds, options):
-
- 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)
-
+ return {}
+
+ def list_resources (self, version=None, options=None):
+ if options is None: options={}
aggregate = DummyAggregate(self)
- rspec = aggregate.get_rspec(slice_xrn=slice_urn, version=rspec_version,
- options=options)
-
+ rspec = aggregate.list_resources(version=version, options=options)
return rspec
-
- def sliver_status (self, slice_urn, slice_hrn):
- # find out where this slice is currently running
- slice_name = hrn_to_dummy_slicename(slice_hrn)
-
- slice = self.shell.GetSlices({'slice_name': slice_name})
- if len(slices) == 0:
- raise SliverDoesNotExist("%s (used %s as slicename internally)" % (slice_hrn, slicename))
-
- # report about the local nodes only
- nodes = self.shell.GetNodes({'node_ids':slice['node_ids']})
-
- if len(nodes) == 0:
- raise SliverDoesNotExist("You have not allocated any slivers here")
-
- # get login info
- user = {}
- keys = []
- if slice['user_ids']:
- users = self.shell.GetUsers({'user_ids': slice['user_ids']})
- for user in users:
- keys.extend(user['keys'])
-
- user.update({'urn': slice_urn,
- 'login': slice['slice_name'],
- 'protocol': ['ssh'],
- 'port': ['22'],
- 'keys': keys})
+ def describe(self, urns, version, options=None):
+ if options is None: options={}
+ aggregate = DummyAggregate(self)
+ return aggregate.describe(urns, version=version, options=options)
- result = {}
- top_level_status = 'unknown'
- if nodes:
- top_level_status = 'ready'
- result['geni_urn'] = slice_urn
- result['dummy_login'] = slice['slice_name']
- result['dummy_expires'] = datetime_to_string(utcparse(slice['expires']))
- result['geni_expires'] = datetime_to_string(utcparse(slice['expires']))
-
- resources = []
- for node in nodes:
- res = {}
- res['dummy_hostname'] = node['hostname']
- res['geni_expires'] = datetime_to_string(utcparse(slice['expires']))
- sliver_id = Xrn(slice_urn, type='slice', id=node['node_id'], authority=self.hrn).urn
- res['geni_urn'] = sliver_id
- res['geni_status'] = 'ready'
- res['geni_error'] = ''
- res['users'] = [users]
-
- 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):
+ def status (self, urns, options=None):
+ if options is None: options={}
+ aggregate = DummyAggregate(self)
+ desc = aggregate.describe(urns, version='GENI 3')
+ status = {'geni_urn': desc['geni_urn'],
+ 'geni_slivers': desc['geni_slivers']}
+ return status
+
+ def allocate (self, urn, rspec_string, expiration, options=None):
+ if options is None: options={}
+ xrn = Xrn(urn)
aggregate = DummyAggregate(self)
slices = DummySlices(self)
- sfa_peer = slices.get_sfa_peer(slice_hrn)
- slice_record=None
+ slice_record=None
+ users = options.get('geni_users', [])
if users:
slice_record = users[0].get('slice_record', {})
-
+
# parse rspec
rspec = RSpec(rspec_string)
requested_attributes = rspec.version.get_slice_attributes()
-
+
# ensure slice record exists
- slice = slices.verify_slice(slice_hrn, slice_record, peer, sfa_peer, options=options)
- # ensure user records exists
- users = slices.verify_users(slice_hrn, slice, users, peer, sfa_peer, options=options)
-
+ slice = slices.verify_slice(xrn.hrn, slice_record, expiration=expiration, options=options)
+ # ensure person records exists
+ #persons = slices.verify_persons(xrn.hrn, slice, users, peer, sfa_peer, options=options)
+
# add/remove slice from nodes
- requested_slivers = []
- for node in rspec.version.get_nodes_with_slivers():
- hostname = None
- if node.get('component_name'):
- hostname = node.get('component_name').strip()
- elif node.get('component_id'):
- hostname = xrn_to_hostname(node.get('component_id').strip())
- if hostname:
- requested_slivers.append(hostname)
- nodes = slices.verify_slice_nodes(slice, requested_slivers, peer)
-
- return aggregate.get_rspec(slice_xrn=slice_urn, version=rspec.version)
+ request_nodes = rspec.version.get_nodes_with_slivers()
+ nodes = slices.verify_slice_nodes(urn, slice, request_nodes)
- def delete_sliver (self, slice_urn, slice_hrn, creds, options):
- slicename = hrn_to_dummy_slicename(slice_hrn)
- slices = self.shell.GetSlices({'slice_name': slicename})
- if not slices:
- return True
- slice = slices[0]
-
- try:
- self.shell.DeleteSliceFromNodes({'slice_id': slice['slice_id'], 'node_ids': slice['node_ids'])
- return True
- except:
- return False
-
- def renew_sliver (self, slice_urn, slice_hrn, creds, expiration_time, options):
- slicename = hrn_to_dummy_slicename(slice_hrn)
- slices = self.shell.GetSlices({'slice_name': slicename})
- if not slices:
- raise RecordNotFound(slice_hrn)
- slice = slices[0]
+ return aggregate.describe([xrn.get_urn()], version=rspec.version)
+
+ def provision(self, urns, options=None):
+ if options is None: options={}
+ # update users
+ slices = DummySlices(self)
+ aggregate = DummyAggregate(self)
+ slivers = aggregate.get_slivers(urns)
+ slice = slivers[0]
+ geni_users = options.get('geni_users', [])
+ #users = slices.verify_users(None, slice, geni_users, options=options)
+ # update sliver allocation states and set them to geni_provisioned
+ sliver_ids = [sliver['sliver_id'] for sliver in slivers]
+ dbsession=self.api.dbsession()
+ SliverAllocation.set_allocations(sliver_ids, 'geni_provisioned',dbsession)
+ version_manager = VersionManager()
+ rspec_version = version_manager.get_version(options['geni_rspec_version'])
+ return self.describe(urns, rspec_version, options=options)
+
+ def delete(self, urns, options=None):
+ if options is None: options={}
+ # collect sliver ids so we can update sliver allocation states after
+ # we remove the slivers.
+ aggregate = DummyAggregate(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 = DummyXrn(auth=self.hrn, slicename=slivers[0]['slice_name']).get_hrn()
+ try:
+ self.shell.DeleteSliceFromNodes({'slice_id': slice_id, 'node_ids': node_ids})
+ # delete sliver allocation states
+ dbsession=self.api.dbsession()
+ SliverAllocation.delete_allocations(sliver_ids,dbsession)
+ finally:
+ pass
+
+ # 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=None):
+ if options is None: options={}
+ aggregate = DummyAggregate(self)
+ slivers = aggregate.get_slivers(urns)
+ if not slivers:
+ raise SearchFailed(urns)
+ slice = slivers[0]
requested_time = utcparse(expiration_time)
record = {'expires': int(datetime_to_epoch(requested_time))}
- try:
- self.shell.UpdateSlice({'slice_id': slice['slice_id'], 'fields':record})
- return True
- except:
- return False
-
- # set the 'enabled' tag to True
- def start_slice (self, slice_urn, slice_hrn, creds):
- slicename = hrn_to_dummy_slicename(slice_hrn)
- slices = self.shell.GetSlices({'slice_name': slicename})
- if not slices:
- raise RecordNotFound(slice_hrn)
- slice_id = slices[0]['slice_id']
- slice_enabled = slices[0]['enabled']
- # just update the slice enabled tag
- if not slice_enabled:
- self.shell.UpdateSlice({'slice_id': slice_id, 'fields': {'enabled': True}})
- return 1
-
- # set the 'enabled' tag to False
- def stop_slice (self, slice_urn, slice_hrn, creds):
- slicename = hrn_to_pl_slicename(slice_hrn)
- slices = self.shell.GetSlices({'slice_name': slicename})
+ self.shell.UpdateSlice({'slice_id': slice['slice_id'], 'fileds': record})
+ description = self.describe(urns, 'GENI 3', options)
+ return description['geni_slivers']
+
+ def perform_operational_action (self, urns, action, options=None):
+ if options is None: options={}
+ # Dummy doesn't support operational actions. Lets pretend like it
+ # supports start, but reject everything else.
+ action = action.lower()
+ 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, 'GENI 3', options)
+ 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, 'GENI 3', options)['geni_slivers']
+ return geni_slivers
+
+ def shutdown (self, xrn, options=None):
+ if options is None: options={}
+ xrn = DummyXrn(xrn=xrn, type='slice')
+ slicename = xrn.pl_slicename()
+ slices = self.shell.GetSlices({'name': slicename}, ['slice_id'])
if not slices:
raise RecordNotFound(slice_hrn)
slice_id = slices[0]['slice_id']
- slice_enabled = slices[0]['enabled']
- # just update the slice enabled tag
- if slice_enabled:
- self.shell.UpdateSlice({'slice_id': slice_id, 'fields': {'enabled': False}})
+ slice_tags = self.shell.GetSliceTags({'slice_id': slice_id, 'tagname': 'enabled'})
+ if not slice_tags:
+ self.shell.AddSliceTag(slice_id, 'enabled', '0')
+ elif slice_tags[0]['value'] != "0":
+ tag_id = slice_tags[0]['slice_tag_id']
+ self.shell.UpdateSliceTag(tag_id, '0')
return 1
-
- def reset_slice (self, slice_urn, slice_hrn, creds):
- raise SfaNotImplemented ("reset_slice not available at this interface")
-
- def get_ticket (self, slice_urn, slice_hrn, creds, rspec_string, options):
- raise SfaNotImplemented,"DummyDriver.get_ticket needs a rewrite"