logger.debug("SLABDRIVER \tfill_record_info records %s " %(record_list))
if not isinstance(record_list, list):
- #record_list = [record_list]
+ record_list = [record_list]
try:
'geni_request_rspec_versions': request_rspec_versions,
'geni_ad_rspec_versions': ad_rspec_versions,
}
-
-
+
+
+
+ def _get_requested_leases_list(self, rspec):
+ """
+ Process leases in rspec depending on the rspec version (format)
+ type. Find the lease requests in the rspec and creates
+ a lease request list with the mandatory information ( nodes,
+ start time and duration) of the valid leases (duration above or equal
+ to the senslab experiment minimum duration).
+
+ :param rspec: rspec request received.
+ :type rspec: RSpec
+ :return: list of lease requests found in the rspec
+ :rtype: list
+ """
+ requested_lease_list = []
+ for lease in rspec.version.get_leases():
+ single_requested_lease = {}
+ logger.debug("SLABDRIVER.PY \tcreate_sliver lease %s " %(lease))
+
+ if not lease.get('lease_id'):
+ if get_authority(lease['component_id']) == \
+ self.slab_api.root_auth:
+ single_requested_lease['hostname'] = \
+ slab_xrn_to_hostname(\
+ lease.get('component_id').strip())
+ single_requested_lease['start_time'] = \
+ lease.get('start_time')
+ single_requested_lease['duration'] = lease.get('duration')
+ #Check the experiment's duration is valid before adding
+ #the lease to the requested leases list
+ duration_in_seconds = \
+ int(single_requested_lease['duration'])*60
+ if duration_in_seconds > self.slab_api.GetLeaseGranularity():
+ requested_lease_list.append(single_requested_lease)
+
+ return requested_lease_list
+
+ @staticmethod
+ def _group_leases_by_start_time(requested_lease_list):
+ """
+ Create dict of leases by start_time, regrouping nodes reserved
+ at the same time, for the same amount of time so as to
+ define one job on OAR.
+
+ :param requested_lease_list: list of leases
+ :type requested_lease_list: list
+ :return: Dictionary with key = start time, value = list of leases
+ with the same start time.
+ :rtype: dictionary
+ """
+
+ requested_job_dict = {}
+ for lease in requested_lease_list:
+
+ #In case it is an asap experiment start_time is empty
+ if lease['start_time'] == '':
+ lease['start_time'] = '0'
+
+ if lease['start_time'] not in requested_job_dict:
+ if isinstance(lease['hostname'], str):
+ #lease['hostname'] = [lease['hostname']]
+ lease['hostname'] = list(lease['hostname'])
+
+ requested_job_dict[lease['start_time']] = lease
+
+ else :
+ job_lease = requested_job_dict[lease['start_time']]
+ if lease['duration'] == job_lease['duration'] :
+ job_lease['hostname'].append(lease['hostname'])
+
+ return requested_job_dict
+
+ def _process_requested_jobs(self, rspec):
+ """
+ Turns the requested leases and information into a dictionary
+ of requested jobs, grouped by starting time.
+
+ :param rspec: RSpec received
+ :type rspec : RSpec
+ :rtype: dictionary
+ """
+ requested_lease_list = self._get_requested_leases_list(rspec)
+ job_dict = self._group_leases_by_start_time(requested_lease_list)
+
+ return job_dict
+
def create_sliver (self, slice_urn, slice_hrn, creds, rspec_string, \
users, options):
"""
- Creates the leases and slivers.
+ 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:
"""
sfa_peer, options=options)
#requested_attributes returned by rspec.version.get_slice_attributes()
#unused, removed SA 13/08/12
- rspec.version.get_slice_attributes()
+ #rspec.version.get_slice_attributes()
logger.debug("SLABDRIVER.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.slab_api.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))
+ #requested_slivers = [node.get('component_id') \
+ #for node in rspec.version.get_nodes_with_slivers()\
+ #if node.get('authority_id') is self.slab_api.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)
- # add/remove leases
- requested_lease_list = []
-
-
- for lease in rspec.version.get_leases():
- single_requested_lease = {}
- logger.debug("SLABDRIVER.PY \tcreate_sliver lease %s " %(lease))
-
- if not lease.get('lease_id'):
- if get_authority(lease['component_id']) == self.slab_api.root_auth:
- single_requested_lease['hostname'] = \
- slab_xrn_to_hostname(\
- lease.get('component_id').strip())
- single_requested_lease['start_time'] = \
- lease.get('start_time')
- single_requested_lease['duration'] = lease.get('duration')
- #Check the experiment's duration is valid before adding
- #the lease to the requested leases list
- duration_in_seconds = \
- int(single_requested_lease['duration'])*60
- if duration_in_seconds > self.slab_api.GetLeaseGranularity():
- requested_lease_list.append(single_requested_lease)
-
- #Create dict of leases by start_time, regrouping nodes reserved
- #at the same
- #time, for the same amount of time = one job on OAR
- requested_job_dict = {}
- for lease in requested_lease_list:
-
- #In case it is an asap experiment start_time is empty
- if lease['start_time'] == '':
- lease['start_time'] = '0'
-
- if lease['start_time'] not in requested_job_dict:
- if isinstance(lease['hostname'], str):
- lease['hostname'] = [lease['hostname']]
-
- requested_job_dict[lease['start_time']] = lease
-
- else :
- job_lease = requested_job_dict[lease['start_time']]
- if lease['duration'] == job_lease['duration'] :
- job_lease['hostname'].append(lease['hostname'])
-
-
-
-
+ requested_job_dict = self._process_requested_jobs(rspec)
+
+
logger.debug("SLABDRIVER.PY \tcreate_sliver requested_job_dict %s "\
%(requested_job_dict))
#verify_slice_leases returns the leases , but the return value is unused
def delete_sliver (self, slice_urn, slice_hrn, creds, options):
+ """
+ Deletes the lease associated with the slice hrn and the credentials
+ if the slice belongs to senslab.
+
+ :return: 1 if the slice to delete was not found on senslab,
+ True if the deletion was successful, False otherwise otherwise.
+
+ .. note:: Should really be named delete_leases because senslab does
+ not have any slivers, but only deals with leases. However, SFA api only
+ have delete_sliver define so far. SA 13.05/2013
+ """
sfa_slice_list = self.slab_api.GetSlices(slice_filter = slice_hrn, \
slice_filter_type = 'slice_hrn')
if not sfa_slice_list:
return 1
- #Delete all in the slice
+ #Delete all leases in the slice
for sfa_slice in sfa_slice_list:
# determine if this is a peer slice
peer = slices.get_peer(slice_hrn)
- #TODO delete_sliver SA : UnBindObjectFromPeer should be
- #used when there is another
- #senslab testbed, which is not the case 14/08/12 .
-
- logger.debug("SLABDRIVER.PY delete_sliver peer %s \r\n \t sfa_slice %s " %(peer, sfa_slice))
+
+ logger.debug("SLABDRIVER.PY delete_sliver peer %s \
+ \r\n \t sfa_slice %s " %(peer, sfa_slice))
try:
- #if peer:
- #self.slab_api.UnBindObjectFromPeer('slice', \
- #sfa_slice['record_id_slice'], \
- #peer, None)
+
self.slab_api.DeleteSliceFromNodes(sfa_slice)
return True
except :
return False
- #finally:
- #if peer:
- #self.slab_api.BindObjectToPeer('slice', \
- #sfa_slice['record_id_slice'], \
- #peer, sfa_slice['peer_slice_id'])
- #return 1
-
+
- # first 2 args are None in case of resource discovery
def list_resources (self, slice_urn, slice_hrn, creds, options):
+ """
+ List resources from the senslab aggregate and returns a Rspec
+ 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.
+
+ :return: rspec string in xml
+ :rtype: string
+ """
+
#cached_requested = options.get('cached', True)
version_manager = VersionManager()
# Adding the list_leases option to the caching key
if options.get('list_leases'):
- version_string = version_string + "_"+options.get('list_leases', 'default')
+ 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'))
+ version_string = version_string + "_" + \
+ str(options.get('geni_available'))
# look in cache first
#if cached_requested and self.cache and not slice_hrn:
git://git.onelab.eu / sfa.git / commitdiff