+from sfa.util.rspec import Rspec
+import sys
+import pdb
+
+SFA_VINI_DEFAULT_RSPEC = '/etc/sfa/vini.rspec'
+
+"""
+Copied from create_slice_aggregate() in sfa.plc.slices.
+I could even call that directly.
+"""
+def create_slice_vini_aggregate(api, hrn, nodes):
+ # Get the slice record from geni
+ 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)
+
+ return 1
+
+
+def get_rspec(hrn):
+ rspec = None
+
+ if (hrn):
+ pass
+ else:
+ # Return canned response for now...
+ r = Rspec()
+ r.parseFile(SFA_VINI_DEFAULT_RSPEC)
+ rspec = r.toGenDict()
+
+ return rspec
+
+
+def create_slice(api, hrn, rspec):
+ # Check request against current allocations
+ # Request OK
+
+ nodes = rspec_to_nodeset(rspec)
+ create_slice_vini_aggregate(api, hrn, nodes)
+
+ # Add VINI-specific topology attributes to slice here
+
+ return True
+
+def rspec_to_nodeset(rspec):
+ nodedict = {}
+ nodes = set()
+ try:
+ sitespecs = rspec['Rspec'][0]['Capacity'][0]['NetSpec'][0]['SiteSpec']
+ for s in sitespecs:
+ for node in s['NodeSpec']:
+ nodedict[node['name'][0]] = node['hostname'][0]
+
+ linkspecs = rspec['Rspec'][0]['Request'][0]['NetSpec'][0]['LinkSpec']
+ for l in linkspecs:
+ for e in l['endpoint']:
+ nodes.add(nodedict[e])
+
+ except KeyError:
+ # Bad Rspec
+ pass
+
+ return nodes
+
+def main():
+ r = Rspec()
+ r.parseFile(sys.argv[1])
+ rspec = r.toGenDict()
+ create_slice(None,'plc',rspec)
+
+if __name__ == "__main__":
+ main()