- return True
-
-def alloc_nodes(api,hrn, requested_ifs):
- requested_nodes = if_endpoints(requested_ifs)
- create_slice_max_aggregate(api, hrn, requested_nodes)
-
-# Taken from slices.py
-
-def create_slice_max_aggregate(api, hrn, nodes):
- # Get the slice record
- global topology
- topology = get_interface_map()
- slice = {}
- registries = Registries(api)
- registry = registries[api.hrn]
- credential = api.getCredential()
- records = registry.resolve(credential, hrn)
- for record in records:
- if record.get_type() in ['slice']:
- slice = record.as_dict()
- if not slice:
- raise RecordNotFound(hrn)
-
- # Make sure slice exists at plc, if it doesnt add it
- slicename = hrn_to_pl_slicename(hrn)
- slices = api.plshell.GetSlices(api.plauth, [slicename], ['node_ids'])
- if not slices:
- parts = slicename.split("_")
- login_base = parts[0]
- # if site doesnt exist add it
- sites = api.plshell.GetSites(api.plauth, [login_base])
- if not sites:
- authority = get_authority(hrn)
- site_records = registry.resolve(credential, authority)
- site_record = {}
- if not site_records:
- raise RecordNotFound(authority)
- site_record = site_records[0]
- site = site_record.as_dict()
-
- # add the site
- site.pop('site_id')
- site_id = api.plshell.AddSite(api.plauth, site)
- else:
- site = sites[0]
-
- slice_fields = {}
- slice_keys = ['name', 'url', 'description']
- for key in slice_keys:
- if key in slice and slice[key]:
- slice_fields[key] = slice[key]
- api.plshell.AddSlice(api.plauth, slice_fields)
- slice = slice_fields
- slice['node_ids'] = 0
- else:
- slice = slices[0]
-
- # get the list of valid slice users from the registry and make
- # they are added to the slice
- researchers = record.get('researcher', [])
- for researcher in researchers:
- person_record = {}
- person_records = registry.resolve(credential, researcher)
- for record in person_records:
- if record.get_type() in ['user']:
- person_record = record
- if not person_record:
- pass
- person_dict = person_record.as_dict()
- persons = api.plshell.GetPersons(api.plauth, [person_dict['email']],
- ['person_id', 'key_ids'])
-
- # Create the person record
- if not persons:
- person_id=api.plshell.AddPerson(api.plauth, person_dict)
-
- # The line below enables the user account on the remote aggregate
- # soon after it is created.
- # without this the user key is not transfered to the slice
- # (as GetSlivers returns key of only enabled users),
- # which prevents the user from login to the slice.
- # We may do additional checks before enabling the user.
-
- api.plshell.UpdatePerson(api.plauth, person_id, {'enabled' : True})
- key_ids = []
- else:
- key_ids = persons[0]['key_ids']
-
- api.plshell.AddPersonToSlice(api.plauth, person_dict['email'],
- slicename)
-
- # Get this users local keys
- keylist = api.plshell.GetKeys(api.plauth, key_ids, ['key'])
- keys = [key['key'] for key in keylist]
-
- # add keys that arent already there
- for personkey in person_dict['keys']:
- if personkey not in keys:
- key = {'key_type': 'ssh', 'key': personkey}
- api.plshell.AddPersonKey(api.plauth, person_dict['email'], key)
-
- # find out where this slice is currently running
- nodelist = api.plshell.GetNodes(api.plauth, slice['node_ids'],
- ['hostname'])
- hostnames = [node['hostname'] for node in nodelist]
-
- # remove nodes not in rspec
- deleted_nodes = list(set(hostnames).difference(nodes))
- # add nodes from rspec
- added_nodes = list(set(nodes).difference(hostnames))
-
- api.plshell.AddSliceToNodes(api.plauth, slicename, added_nodes)
- api.plshell.DeleteSliceFromNodes(api.plauth, slicename, deleted_nodes)
-