--- /dev/null
+from sfa.util.rspec import Rspec
+import sys
+import pdb
+
+SFA_MAX_CONF_FILE = '/etc/sfa/max_allocations'
+
+# Topology
+
+topology = {'pl23':('planetlab2.dragon.maxgigapop.net','planetlab3.dragon.maxgigapop.net'),
+ 'pl24':('planetlab2.dragon.maxgigapop.net','planetlab4.dragon.maxgigapop.net'),
+ 'pl25':('planetlab2.dragon.maxgigapop.net','planetlab5.dragon.maxgigapop.net'),
+ 'pl34':('planetlab3.dragon.maxgigapop.net','planetlab4.dragon.maxgigapop.net'),
+ 'pl35':('planetlab3.dragon.maxgigapop.net','planetlab5.dragon.maxgigapop.net'),
+ 'pl45':('planetlab4.dragon.maxgigapop.net','planetlab5.dragon.maxgigapop.net')
+ }
+
+def link_endpoints(links):
+ nodes=[]
+ for l in links:
+ nodes.extend(topology[l])
+ return l
+
+
+def lock_state_file():
+ # Noop for demo
+ return True
+
+def unlock_state_file():
+ return True
+ # Noop for demo
+
+def read_alloc_dict():
+ alloc_dict={}
+ rows = open(SFA_MAX_CONF_FILE).read().split('\n')
+ for r in rows:
+ columns = r.split(' ')
+ if (len(columns)>2):
+ hrn = columns[0]
+ allocs = columns[1].split(',')
+ alloc_dict[hrn]=allocs
+ return alloc_dict
+
+def commit_alloc_dict(d):
+ f = open(SFA_MAX_CONF_FILE, 'w')
+ for hrn in d.keys():
+ columns = d[hrn]
+ row = hrn+' '+','.join(columns)+'\n'
+ f.write(row)
+ f.close()
+
+def collapse_alloc_dict(d):
+ ret = []
+ for k in d.keys():
+ ret.extend(d[k])
+ return ret
+
+def bootstrap_slice(api, hrn, added_nodes, deleted_nodes):
+ # This code is taken from slices.py
+ # To clean up after 21 July
+ # Get the slice record from geni
+ slice = {}
+ registries = Registries(api)
+ registry = registries[self.api.hrn]
+ credential = self.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]
+
+ api.plshell.AddSliceToNodes(self.api.plauth, slicename, added_nodes)
+ api.plshell.DeleteSliceFromNodes(self.api.plauth, slicename, deleted_nodes)
+
+ return 1
+
+def alloc_nodes(hrn, links_to_add, links_to_delete):
+
+ nodes_to_add = link_endpoints(links_to_add)
+ nodes_to_delete = link_endpoints(links_to_delete)
+
+ #bootstrap_slice(api, hrn, nodes_to_add, nodes_to_delete)
+
+ for r in requested_allocations:
+ print "Requesting "+r
+
+def get_rspec(hrn):
+ # Eg. config line:
+ # plc.princeton.sapan vlan23,vlan45
+
+ allocations = read_alloc_dict()
+ if (hrn):
+ current_allocations = allocations[hrn]
+ else:
+ current_allocations = collapse_alloc_dict(allocations)
+
+ return (allocations_to_rspec_dict(current_allocations))
+
+
+def create_slice(api, hrn, rspec):
+ # Check if everything in rspec is either allocated by hrn
+ # or not allocated at all.
+
+ lock_state_file()
+
+ allocations = read_alloc_dict()
+ requested_allocations = rspec_to_allocations (rspec)
+ current_allocations = collapse_alloc_dict(allocations)
+ try:
+ current_hrn_allocations=allocations[hrn]
+ except KeyError:
+ current_hrn_allocations=[]
+
+ # Check request against current allocations
+ for a in requested_allocations:
+ if (a not in current_hrn_allocations and a in current_allocations):
+ return False
+ # Request OK
+
+ # Allocations to delete
+ allocations_to_delete = []
+ for a in current_hrn_allocations:
+ if (a not in requested_allocations):
+ allocations_to_delete.extend([a])
+
+ # Ok, let's do our thing
+ alloc_nodes(api, hrn, requested_allocations, allocations_to_delete)
+ alloc_links(api, hrn, requested_allocations, allocations_to_delete)
+ allocations[hrn] = requested_allocations
+ commit_alloc_dict(allocations)
+
+ unlock_state_file()
+
+ return True
+
+def rspec_to_allocations(rspec):
+ links = []
+ try:
+ linkspecs = rspec['rspec']['request'][0]['netspec'][0]['linkspec']
+ for l in linkspecs:
+ links.extend([l['name'].replace('tns:','')])
+
+ except KeyError:
+ # Bad Rspec
+ pass
+ return links
+
+def main():
+ r = Rspec()
+ rspec_xml = open(sys.argv[1]).read()
+ r.parseString(rspec_xml)
+ rspec = r.toDict()
+ create_slice(None,'plc',rspec)
+
+if __name__ == "__main__":
+ main()
git://git.onelab.eu / sfa.git / commitdiff