"""
Implements what a driver should provide for SFA to work.
"""
-from sfa.util.faults import SliverDoesNotExist, UnknownSfaType
+from sfa.util.faults import SliverDoesNotExist, Forbidden
from sfa.util.sfalogging import logger
from sfa.storage.model import RegRecord
+from sfa.util.sfatime import utcparse, datetime_to_string
from sfa.managers.driver import Driver
from sfa.rspecs.version_manager import VersionManager
from sfa.rspecs.rspec import RSpec
-from sfa.util.xrn import Xrn, hrn_to_urn, get_authority
-
-from sfa.iotlab.iotlabaggregate import IotlabAggregate, iotlab_xrn_to_hostname
+from sfa.iotlab.iotlabxrn import IotlabXrn, xrn_object
+from sfa.util.xrn import Xrn, hrn_to_urn, get_authority, urn_to_hrn
+from sfa.iotlab.iotlabaggregate import IotlabAggregate
+from sfa.iotlab.iotlabxrn import xrn_to_hostname
from sfa.iotlab.iotlabslices import IotlabSlices
+from sfa.trust.credential import Credential
+from sfa.storage.model import SliverAllocation
from sfa.iotlab.iotlabshell import IotlabShell
"""
Driver.__init__(self, api)
- self.api=api
- config = api.config
+ self.api = api
+ # config = api.config
self.testbed_shell = IotlabShell(api)
self.cache = None
% (resources, res))
return result
- @staticmethod
- def get_user_record(hrn):
+ def get_user_record(self, hrn):
"""
Returns the user record based on the hrn from the SFA DB .
:rtype: RegUser
"""
- # xxx this method should not be static
- from sfa.storage.alchemy import global_dbsession
- return global_dbsession.query(RegRecord).filter_by(hrn=hrn).first()
- # code should read instead (if this method was not static, that is)
- #return self.api.dbsession().query(RegRecord).filter_by(hrn=hrn).first()
+ return self.api.dbsession().query(RegRecord).filter_by(hrn=hrn).first()
def testbed_name(self):
"""
"""
return self.hrn
- # 'geni_request_rspec_versions' and 'geni_ad_rspec_versions' are mandatory
- def aggregate_version(self):
- """
-
- Returns the testbed's supported rspec advertisement and request
- versions.
- :returns: rspec versions supported ad a dictionary.
- :rtype: dict
-
- """
- 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 _get_requested_leases_list(self, rspec):
"""
if get_authority(lease['component_id']) == \
self.testbed_shell.root_auth:
single_requested_lease['hostname'] = \
- iotlab_xrn_to_hostname(\
+ xrn_to_hostname(\
lease.get('component_id').strip())
single_requested_lease['start_time'] = \
lease.get('start_time')
return xp_dict
- def create_sliver(self, slice_urn, slice_hrn, creds, rspec_string,
- users, options):
- """Answer to CreateSliver.
-
- Creates the leases and slivers for the users from the information
- found in the rspec string.
- Launch experiment on OAR if the requested leases is valid. Delete
- no longer requested leases.
-
-
- :param creds: user's credentials
- :type creds: string
- :param users: user record list
- :type users: list
- :param options:
- :type options:
-
- :returns: a valid Rspec for the slice which has just been
- modified.
- :rtype: RSpec
-
-
- """
- aggregate = IotlabAggregate(self)
-
- slices = IotlabSlices(self)
- peer = slices.get_peer(slice_hrn)
- sfa_peer = slices.get_sfa_peer(slice_hrn)
- slice_record = None
-
- if not isinstance(creds, list):
- creds = [creds]
-
- if users:
- slice_record = users[0].get('slice_record', {})
- logger.debug("IOTLABDRIVER.PY \t ===============create_sliver \t\
- creds %s \r\n \r\n users %s"
- % (creds, users))
- slice_record['user'] = {'keys': users[0]['keys'],
- 'email': users[0]['email'],
- 'hrn': slice_record['reg-researchers'][0]}
- # parse rspec
- rspec = RSpec(rspec_string)
- logger.debug("IOTLABDRIVER.PY \t create_sliver \trspec.version \
- %s slice_record %s users %s"
- % (rspec.version, slice_record, users))
-
- # ensure site record exists?
- # ensure slice record exists
- #Removed options in verify_slice SA 14/08/12
- #Removed peer record in verify_slice SA 18/07/13
- sfa_slice = slices.verify_slice(slice_hrn, slice_record, sfa_peer)
-
- # ensure person records exists
- #verify_persons returns added persons but the return value
- #is not used
- #Removed peer record and sfa_peer in verify_persons SA 18/07/13
- slices.verify_persons(slice_hrn, sfa_slice, users, options=options)
- #requested_attributes returned by rspec.version.get_slice_attributes()
- #unused, removed SA 13/08/12
- #rspec.version.get_slice_attributes()
-
- logger.debug("IOTLABDRIVER.PY create_sliver slice %s " % (sfa_slice))
-
- # add/remove slice from nodes
- #requested_slivers = [node.get('component_id') \
- #for node in rspec.version.get_nodes_with_slivers()\
- #if node.get('authority_id') is self.testbed_shell.root_auth]
- #l = [ node for node in rspec.version.get_nodes_with_slivers() ]
- #logger.debug("SLADRIVER \tcreate_sliver requested_slivers \
- #requested_slivers %s listnodes %s" \
- #%(requested_slivers,l))
- #verify_slice_nodes returns nodes, but unused here. Removed SA 13/08/12.
- #slices.verify_slice_nodes(sfa_slice, requested_slivers, peer)
- requested_xp_dict = self._process_requested_xp_dict(rspec)
-
- logger.debug("IOTLABDRIVER.PY \tcreate_sliver requested_xp_dict %s "
- % (requested_xp_dict))
- #verify_slice_leases returns the leases , but the return value is unused
- #here. Removed SA 13/08/12
- slices.verify_slice_leases(sfa_slice,
- requested_xp_dict, peer)
-
- return aggregate.get_rspec(slice_xrn=slice_urn,
- login=sfa_slice['login'],
- version=rspec.version)
-
- def delete_sliver(self, slice_urn, slice_hrn, creds, options):
+ def delete(self, slice_urns, options={}):
"""
Deletes the lease associated with the slice hrn and the credentials
if the slice belongs to iotlab. Answer to DeleteSliver.
:param slice_urn: urn of the slice
- :param slice_hrn: name of the slice
- :param creds: slice credenials
:type slice_urn: string
- :type slice_hrn: string
- :type creds: ? unused
+
:returns: 1 if the slice to delete was not found on iotlab,
True if the deletion was successful, False otherwise otherwise.
.. note:: creds are unused, and are not used either in the dummy driver
delete_sliver .
"""
+ # collect sliver ids so we can update sliver allocation states after
+ # we remove the slivers.
+ aggregate = IotlabAggregate(self)
+ slivers = aggregate.get_slivers(slice_urns)
+ if slivers:
+ # slice_id = slivers[0]['slice_id']
+ node_ids = []
+ sliver_ids = []
+ sliver_jobs_dict = {}
+ for sliver in slivers:
+ node_ids.append(sliver['node_id'])
+ sliver_ids.append(sliver['sliver_id'])
+ job_id = sliver['sliver_id'].split('+')[-1].split('-')[0]
+ sliver_jobs_dict[job_id] = sliver['sliver_id']
+ logger.debug("IOTLABDRIVER.PY delete_sliver slivers %s slice_urns %s"
+ % (slivers, slice_urns))
+ slice_hrn = urn_to_hrn(slice_urns[0])[0]
sfa_slice_list = self.testbed_shell.GetSlices(
slice_filter=slice_hrn,
logger.debug("IOTLABDRIVER.PY delete_sliver peer %s \
\r\n \t sfa_slice %s " % (peer, sfa_slice))
+ oar_bool_ans = self.testbed_shell.DeleteSliceFromNodes(
+ sfa_slice)
+ for job_id in oar_bool_ans:
+ # if the job has not been successfully deleted
+ # don't delete the associated sliver
+ # remove it from the sliver list
+ if oar_bool_ans[job_id] is False:
+ sliver = sliver_jobs_dict[job_id]
+ sliver_ids.remove(sliver)
try:
- self.testbed_shell.DeleteSliceFromNodes(sfa_slice)
- return True
- except:
- return False
-
- def list_resources (self, slice_urn, slice_hrn, creds, options):
- """
-
- List resources from the iotlab aggregate and returns a Rspec
- advertisement with resources found when slice_urn and slice_hrn are
- None (in case of resource discovery).
- If a slice hrn and urn are provided, list experiment's slice
- nodes in a rspec format. Answer to ListResources.
- Caching unused.
-
- :param slice_urn: urn of the slice
- :param slice_hrn: name of the slice
- :param creds: slice credenials
- :type slice_urn: string
- :type slice_hrn: string
- :type creds: ? unused
- :param options: options used when listing resources (list_leases, info,
- geni_available)
- :returns: rspec string in xml
- :rtype: string
-
- .. note:: creds are unused
- """
- #cached_requested = options.get('cached', True)
-
- 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')
-
- # 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'))
-
- # look in cache first
- #if cached_requested and self.cache and not slice_hrn:
- #rspec = self.cache.get(version_string)
- #if rspec:
- #logger.debug("IotlabDriver.ListResources: \
- #returning cached advertisement")
- #return rspec
-
- #panos: passing user-defined options
- aggregate = IotlabAggregate(self)
-
- rspec = aggregate.get_rspec(slice_xrn=slice_urn,
- version=rspec_version, options=options)
-
- # cache the result
- #if self.cache and not slice_hrn:
- #logger.debug("Iotlab.ListResources: stores advertisement in cache")
- #self.cache.add(version_string, rspec)
-
- return rspec
+ dbsession = self.api.dbsession()
+ SliverAllocation.delete_allocations(sliver_ids, dbsession)
+ except :
+ logger.log_exc("IOTLABDRIVER.PY delete error ")
+
+ # 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 list_resources (self, slice_urn, slice_hrn, creds, options):
+ # """
+
+ # List resources from the iotlab aggregate and returns a Rspec
+ # advertisement with resources found when slice_urn and slice_hrn are
+ # None (in case of resource discovery).
+ # If a slice hrn and urn are provided, list experiment's slice
+ # nodes in a rspec format. Answer to ListResources.
+ # Caching unused.
+
+ # :param slice_urn: urn of the slice
+ # :param slice_hrn: name of the slice
+ # :param creds: slice credenials
+ # :type slice_urn: string
+ # :type slice_hrn: string
+ # :type creds: ? unused
+ # :param options: options used when listing resources (list_leases, info,
+ # geni_available)
+ # :returns: rspec string in xml
+ # :rtype: string
+
+ # .. note:: creds are unused
+ # """
+
+ # #cached_requested = options.get('cached', True)
+
+ # 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')
+
+ # # 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'))
+
+ # # look in cache first
+ # #if cached_requested and self.cache and not slice_hrn:
+ # #rspec = self.cache.get(version_string)
+ # #if rspec:
+ # #logger.debug("IotlabDriver.ListResources: \
+ # #returning cached advertisement")
+ # #return rspec
+
+ # #panos: passing user-defined options
+ # aggregate = IotlabAggregate(self)
+
+ # rspec = aggregate.get_rspec(slice_xrn=slice_urn,
+ # version=rspec_version, options=options)
+
+ # # cache the result
+ # #if self.cache and not slice_hrn:
+ # #logger.debug("Iotlab.ListResources: stores advertisement in cache")
+ # #self.cache.add(version_string, rspec)
+
+ # return rspec
def list_slices(self, creds, options):
:returns: slice urns list
:rtype: list
- .. note:: creds are unused
+ .. note:: creds and options are unused - SA 12/12/13
"""
# look in cache first
#if self.cache:
:type hrn: string
TODO: needs review
- .. seealso:: update in driver.py.
-
- """
- pointer = old_sfa_record['pointer']
- old_sfa_record_type = old_sfa_record['type']
-
- # new_key implemented for users only
- if new_key and old_sfa_record_type not in ['user']:
- raise UnknownSfaType(old_sfa_record_type)
-
- if old_sfa_record_type == "user":
- update_fields = {}
- all_fields = new_sfa_record
- for key in all_fields.keys():
- if key in ['key', 'password']:
- update_fields[key] = all_fields[key]
-
- if new_key:
- # must check this key against the previous one if it exists
- persons = self.testbed_shell.GetPersons([old_sfa_record])
- person = persons[0]
- keys = [person['pkey']]
- #Get all the person's keys
- keys_dict = self.testbed_shell.GetKeys(keys)
-
- # Delete all stale keys, meaning the user has only one key
- #at a time
- #TODO: do we really want to delete all the other keys?
- #Is this a problem with the GID generation to have multiple
- #keys? SA 30/05/13
- key_exists = False
- if key in keys_dict:
- key_exists = True
- else:
- #remove all the other keys
- for key in keys_dict:
- self.testbed_shell.DeleteKey(person, key)
- self.testbed_shell.AddPersonKey(
- person, {'sshPublicKey': person['pkey']},
- {'sshPublicKey': new_key})
+ .. warning:: SA 12/12/13 - Removed. should be done in iotlabimporter
+ since users, keys and slice are managed by the LDAP.
+
+ """
+ # pointer = old_sfa_record['pointer']
+ # old_sfa_record_type = old_sfa_record['type']
+
+ # # new_key implemented for users only
+ # if new_key and old_sfa_record_type not in ['user']:
+ # raise UnknownSfaType(old_sfa_record_type)
+
+ # if old_sfa_record_type == "user":
+ # update_fields = {}
+ # all_fields = new_sfa_record
+ # for key in all_fields.keys():
+ # if key in ['key', 'password']:
+ # update_fields[key] = all_fields[key]
+
+ # if new_key:
+ # # must check this key against the previous one if it exists
+ # persons = self.testbed_shell.GetPersons([old_sfa_record])
+ # person = persons[0]
+ # keys = [person['pkey']]
+ # #Get all the person's keys
+ # keys_dict = self.testbed_shell.GetKeys(keys)
+
+ # # Delete all stale keys, meaning the user has only one key
+ # #at a time
+ # #TODO: do we really want to delete all the other keys?
+ # #Is this a problem with the GID generation to have multiple
+ # #keys? SA 30/05/13
+ # key_exists = False
+ # if key in keys_dict:
+ # key_exists = True
+ # else:
+ # #remove all the other keys
+ # for key in keys_dict:
+ # self.testbed_shell.DeleteKey(person, key)
+ # self.testbed_shell.AddPersonKey(
+ # person, {'sshPublicKey': person['pkey']},
+ # {'sshPublicKey': new_key})
+ logger.warning ("UNDEFINED - Update should be done by the \
+ iotlabimporter")
return True
def remove(self, sfa_record):
slice_filter_type='slice_hrn'):
ret = self.testbed_shell.DeleteSlice(sfa_record)
return True
+
+ def check_sliver_credentials(self, creds, urns):
+ """Check that the sliver urns belongs to the slice specified in the
+ credentials.
+
+ :param urns: list of sliver urns.
+ :type urns: list.
+ :param creds: slice credentials.
+ :type creds: Credential object.
+
+
+ """
+ # build list of cred object hrns
+ slice_cred_names = []
+ for cred in creds:
+ slice_cred_hrn = Credential(cred=cred).get_gid_object().get_hrn()
+ slicename = IotlabXrn(xrn=slice_cred_hrn).iotlab_slicename()
+ slice_cred_names.append(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.testbed_shell.GetSlices(slice_ids)
+ sliver_names = [single_slice['name'] for single_slice in slices]
+
+ # make sure we have a credential for every specified sliver
+ 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)
+
+ ########################################
+ ########## aggregate oriented
+ ########################################
+
+ # 'geni_request_rspec_versions' and 'geni_ad_rspec_versions' are mandatory
+ def aggregate_version(self):
+ """
+
+ Returns the testbed's supported rspec advertisement and request
+ versions.
+ :returns: rspec versions supported ad a dictionary.
+ :rtype: dict
+
+ """
+ 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}
+
+ # first 2 args are None in case of resource discovery
+ def list_resources (self, version=None, options={}):
+ aggregate = IotlabAggregate(self)
+ rspec = aggregate.list_resources(version=version, options=options)
+ return rspec
+
+ def describe(self, urns, version, options={}):
+ aggregate = IotlabAggregate(self)
+ return aggregate.describe(urns, version=version, options=options)
+
+ def status (self, urns, options={}):
+ aggregate = IotlabAggregate(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={}):
+ xrn = Xrn(urn)
+ aggregate = IotlabAggregate(self)
+
+ slices = IotlabSlices(self)
+ peer = slices.get_peer(xrn.get_hrn())
+ sfa_peer = slices.get_sfa_peer(xrn.get_hrn())
+
+
+ slice_record = None
+ users = options.get('geni_users', [])
+
+ sfa_users = options.get('sfa_users', [])
+ if sfa_users:
+ slice_record = sfa_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(xrn.hrn, slice_record, peer, sfa_peer, options=options)
+ # ensure slice record exists
+
+ current_slice = slices.verify_slice(xrn.hrn, slice_record, sfa_peer)
+ logger.debug("IOTLABDRIVER.PY \t ===============allocate \t\
+ \r\n \r\n current_slice %s" % (current_slice))
+ # ensure person records exists
+
+ # oui c'est degueulasse, le slice_record se retrouve modifie
+ # dans la methode avec les infos du user, els infos sont propagees
+ # dans verify_slice_leases
+ persons = slices.verify_persons(xrn.hrn, slice_record, users,
+ options=options)
+ # ensure slice attributes exists
+ # slices.verify_slice_attributes(slice, requested_attributes,
+ # options=options)
+
+ # add/remove slice from nodes
+ requested_xp_dict = self._process_requested_xp_dict(rspec)
+
+ logger.debug("IOTLABDRIVER.PY \tallocate requested_xp_dict %s "
+ % (requested_xp_dict))
+ request_nodes = rspec.version.get_nodes_with_slivers()
+ nodes_list = []
+ for start_time in requested_xp_dict:
+ lease = requested_xp_dict[start_time]
+ for hostname in lease['hostname']:
+ nodes_list.append(hostname)
+
+ # nodes = slices.verify_slice_nodes(slice_record,request_nodes, peer)
+ logger.debug("IOTLABDRIVER.PY \tallocate nodes_list %s slice_record %s"
+ % (nodes_list, slice_record))
+
+ # add/remove leases
+ rspec_requested_leases = rspec.version.get_leases()
+ leases = slices.verify_slice_leases(slice_record, requested_xp_dict, peer)
+ logger.debug("IOTLABDRIVER.PY \tallocate leases %s \
+ rspec_requested_leases %s" % (leases,
+ rspec_requested_leases))
+ # update sliver allocations
+ for hostname in nodes_list:
+ client_id = hostname
+ node_urn = xrn_object(self.testbed_shell.root_auth, hostname).urn
+ component_id = node_urn
+ slice_urn = current_slice['reg-urn']
+ for lease in leases:
+ if hostname in lease['reserved_nodes']:
+ index = lease['reserved_nodes'].index(hostname)
+ sliver_hrn = '%s.%s-%s' % (self.hrn, lease['lease_id'],
+ lease['resource_ids'][index] )
+ sliver_id = Xrn(sliver_hrn, type='sliver').urn
+ record = SliverAllocation(sliver_id=sliver_id, client_id=client_id,
+ component_id=component_id,
+ slice_urn = slice_urn,
+ allocation_state='geni_allocated')
+ record.sync(self.api.dbsession())
+
+ return aggregate.describe([xrn.get_urn()], version=rspec.version)
+
+ def provision(self, urns, options={}):
+ # update users
+ slices = IotlabSlices(self)
+ aggregate = IotlabAggregate(self)
+ slivers = aggregate.get_slivers(urns)
+ current_slice = slivers[0]
+ peer = slices.get_peer(current_slice['hrn'])
+ sfa_peer = slices.get_sfa_peer(current_slice['hrn'])
+ users = options.get('geni_users', [])
+ # persons = slices.verify_persons(current_slice['hrn'],
+ # current_slice, users, peer, sfa_peer, options=options)
+ # slices.handle_peer(None, None, persons, peer)
+ # 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)
git://git.onelab.eu / sfa.git / blobdiff