6 from types import StringTypes
8 from sfa.util.faults import *
9 from sfa.util.xrn import get_authority, hrn_to_urn, urn_to_hrn, Xrn
10 from sfa.util.plxrn import slicename_to_hrn, hrn_to_pl_slicename, hostname_to_urn
11 from sfa.util.rspec import *
12 from sfa.util.specdict import *
13 from sfa.util.record import SfaRecord
14 from sfa.util.policy import Policy
15 from sfa.util.record import *
16 from sfa.util.sfaticket import SfaTicket
17 from sfa.plc.slices import Slices
18 from sfa.trust.credential import Credential
19 import sfa.plc.peers as peers
20 from sfa.plc.network import *
21 from sfa.plc.api import SfaAPI
22 from sfa.plc.slices import *
23 from sfa.util.version import version_core
24 from sfa.util.sfatime import utcparse
25 from sfa.util.callids import Callids
29 return version_core({'interface':'aggregate',
34 def __get_registry_objects(slice_xrn, creds, users):
38 hrn, type = urn_to_hrn(slice_xrn)
40 hrn_auth = get_authority(hrn)
42 # Build up objects that an SFA registry would return if SFA
43 # could contact the slice's registry directly
47 # dont allow special characters in the site login base
48 #only_alphanumeric = re.compile('[^a-zA-Z0-9]+')
49 #login_base = only_alphanumeric.sub('', hrn_auth[:20]).lower()
50 slicename = hrn_to_pl_slicename(hrn)
51 login_base = slicename.split('_')[0]
55 site['name'] = 'geni.%s' % login_base
56 site['enabled'] = True
57 site['max_slices'] = 100
60 # Is it okay if this login base is the same as one already at this myplc site?
61 # Do we need uniqueness? Should use hrn_auth instead of just the leaf perhaps?
62 site['login_base'] = login_base
63 site['abbreviated_name'] = login_base
64 site['max_slivers'] = 1000
65 reg_objects['site'] = site
69 extime = Credential(string=creds[0]).get_expiration()
70 # If the expiration time is > 60 days from now, set the expiration time to 60 days from now
71 if extime > datetime.datetime.utcnow() + datetime.timedelta(days=60):
72 extime = datetime.datetime.utcnow() + datetime.timedelta(days=60)
73 slice['expires'] = int(time.mktime(extime.timetuple()))
75 slice['name'] = hrn_to_pl_slicename(hrn)
77 slice['description'] = hrn
79 reg_objects['slice_record'] = slice
81 reg_objects['users'] = {}
84 hrn, _ = urn_to_hrn(user['urn'])
85 user['email'] = hrn_to_pl_slicename(hrn) + "@geni.net"
86 user['first_name'] = hrn
87 user['last_name'] = hrn
88 reg_objects['users'][user['email']] = user
92 def __get_hostnames(nodes):
95 hostnames.append(node.hostname)
98 def SliverStatus(api, slice_xrn, creds, call_id):
99 if Callids().already_handled(call_id): return {}
101 (hrn, type) = urn_to_hrn(slice_xrn)
102 # find out where this slice is currently running
104 slicename = hrn_to_pl_slicename(hrn)
106 slices = api.plshell.GetSlices(api.plauth, [slicename], ['node_ids','person_ids','name','expires'])
108 raise Exception("Slice %s not found (used %s as slicename internally)" % slice_xrn, slicename)
111 # report about the local nodes only
112 nodes = api.plshell.GetNodes(api.plauth, {'node_id':slice['node_ids'],'peer_id':None},
113 ['hostname', 'site_id', 'boot_state', 'last_contact'])
114 site_ids = [node['site_id'] for node in nodes]
115 sites = api.plshell.GetSites(api.plauth, site_ids, ['site_id', 'login_base'])
116 sites_dict = dict ( [ (site['site_id'],site['login_base'] ) for site in sites ] )
119 top_level_status = 'unknown'
121 top_level_status = 'ready'
122 result['geni_urn'] = Xrn(slice_xrn, 'slice').get_urn()
123 result['pl_login'] = slice['name']
124 result['pl_expires'] = datetime.datetime.fromtimestamp(slice['expires']).ctime()
129 res['pl_hostname'] = node['hostname']
130 res['pl_boot_state'] = node['boot_state']
131 res['pl_last_contact'] = node['last_contact']
132 if node['last_contact'] is not None:
133 res['pl_last_contact'] = datetime.datetime.fromtimestamp(node['last_contact']).ctime()
134 res['geni_urn'] = hostname_to_urn(api.hrn, sites_dict[node['site_id']], node['hostname'])
135 if node['boot_state'] == 'boot':
136 res['geni_status'] = 'ready'
138 res['geni_status'] = 'failed'
139 top_level_staus = 'failed'
141 res['geni_error'] = ''
143 resources.append(res)
145 result['geni_status'] = top_level_status
146 result['geni_resources'] = resources
148 #api.logger.info(result)
152 def CreateSliver(api, slice_xrn, creds, rspec, users, call_id):
154 Create the sliver[s] (slice) at this aggregate.
155 Verify HRN and initialize the slice record in PLC if necessary.
157 if Callids().already_handled(call_id): return ""
159 reg_objects = __get_registry_objects(slice_xrn, creds, users)
161 (hrn, type) = urn_to_hrn(slice_xrn)
164 peer = slices.get_peer(hrn)
165 sfa_peer = slices.get_sfa_peer(hrn)
166 registry = api.registries[api.hrn]
167 credential = api.getCredential()
168 (site_id, remote_site_id) = slices.verify_site(registry, credential, hrn,
169 peer, sfa_peer, reg_objects)
171 slice_record = slices.verify_slice(registry, credential, hrn, site_id,
172 remote_site_id, peer, sfa_peer, reg_objects)
174 network = Network(api)
176 slice = network.get_slice(api, hrn)
177 slice.peer_id = slice_record['peer_slice_id']
178 current = __get_hostnames(slice.get_nodes())
180 network.addRSpec(rspec, api.config.SFA_AGGREGATE_RSPEC_SCHEMA)
181 request = __get_hostnames(network.nodesWithSlivers())
183 # remove nodes not in rspec
184 deleted_nodes = list(set(current).difference(request))
186 # add nodes from rspec
187 added_nodes = list(set(request).difference(current))
191 api.plshell.UnBindObjectFromPeer(api.plauth, 'slice', slice.id, peer)
193 api.plshell.AddSliceToNodes(api.plauth, slice.name, added_nodes)
194 api.plshell.DeleteSliceFromNodes(api.plauth, slice.name, deleted_nodes)
196 network.updateSliceTags()
200 api.plshell.BindObjectToPeer(api.plauth, 'slice', slice.id, peer,
203 # xxx - check this holds enough data for the client to understand what's happened
204 return network.toxml()
207 def RenewSliver(api, xrn, creds, expiration_time, call_id):
208 if Callids().already_handled(call_id): return True
209 (hrn, type) = urn_to_hrn(xrn)
210 slicename = hrn_to_pl_slicename(hrn)
211 slices = api.plshell.GetSlices(api.plauth, {'name': slicename}, ['slice_id'])
213 raise RecordNotFound(hrn)
215 requested_time = utcparse(expiration_time)
216 record = {'expires': int(time.mktime(requested_time.timetuple()))}
218 api.plshell.UpdateSlice(api.plauth, slice['slice_id'], record)
223 def start_slice(api, xrn, creds):
224 hrn, type = urn_to_hrn(xrn)
225 slicename = hrn_to_pl_slicename(hrn)
226 slices = api.plshell.GetSlices(api.plauth, {'name': slicename}, ['slice_id'])
228 raise RecordNotFound(hrn)
229 slice_id = slices[0]['slice_id']
230 slice_tags = api.plshell.GetSliceTags(api.plauth, {'slice_id': slice_id, 'tagname': 'enabled'}, ['slice_tag_id'])
231 # just remove the tag if it exists
233 api.plshell.DeleteSliceTag(api.plauth, slice_tags[0]['slice_tag_id'])
237 def stop_slice(api, xrn, creds):
238 hrn, type = urn_to_hrn(xrn)
239 slicename = hrn_to_pl_slicename(hrn)
240 slices = api.plshell.GetSlices(api.plauth, {'name': slicename}, ['slice_id'])
242 raise RecordNotFound(hrn)
243 slice_id = slices[0]['slice_id']
244 slice_tags = api.plshell.GetSliceTags(api.plauth, {'slice_id': slice_id, 'tagname': 'enabled'})
246 api.plshell.AddSliceTag(api.plauth, slice_id, 'enabled', '0')
247 elif slice_tags[0]['value'] != "0":
248 tag_id = attributes[0]['slice_tag_id']
249 api.plshell.UpdateSliceTag(api.plauth, tag_id, '0')
252 def reset_slice(api, xrn):
253 # XX not implemented at this interface
256 def DeleteSliver(api, xrn, creds, call_id):
257 if Callids().already_handled(call_id): return ""
258 (hrn, type) = urn_to_hrn(xrn)
259 slicename = hrn_to_pl_slicename(hrn)
260 slices = api.plshell.GetSlices(api.plauth, {'name': slicename})
265 # determine if this is a peer slice
266 peer = peers.get_peer(api, hrn)
269 api.plshell.UnBindObjectFromPeer(api.plauth, 'slice', slice['slice_id'], peer)
270 api.plshell.DeleteSliceFromNodes(api.plauth, slicename, slice['node_ids'])
273 api.plshell.BindObjectToPeer(api.plauth, 'slice', slice['slice_id'], peer, slice['peer_slice_id'])
276 # xxx Thierry : caching at the aggregate level sounds wrong...
279 def ListSlices(api, creds, call_id):
280 if Callids().already_handled(call_id): return []
281 # look in cache first
282 if caching and api.cache:
283 slices = api.cache.get('slices')
288 slices = api.plshell.GetSlices(api.plauth, {'peer_id': None}, ['name'])
289 slice_hrns = [slicename_to_hrn(api.hrn, slice['name']) for slice in slices]
290 slice_urns = [hrn_to_urn(slice_hrn, 'slice') for slice_hrn in slice_hrns]
293 if caching and api.cache:
294 api.cache.add('slices', slice_urns)
298 def ListResources(api, creds, options,call_id):
299 if Callids().already_handled(call_id): return ""
300 # get slice's hrn from options
301 xrn = options.get('geni_slice_urn', '')
302 (hrn, type) = urn_to_hrn(xrn)
304 # look in cache first
305 if caching and api.cache and not xrn:
306 rspec = api.cache.get('nodes')
308 api.logger.info("aggregate.ListResources: returning cached value for hrn %s"%hrn)
311 network = Network(api)
313 if network.get_slice(api, hrn):
316 rspec = network.toxml()
319 if caching and api.cache and not xrn:
320 api.cache.add('nodes', rspec)
325 def get_ticket(api, xrn, creds, rspec, users):
327 reg_objects = __get_registry_objects(xrn, creds, users)
329 slice_hrn, type = urn_to_hrn(xrn)
331 peer = slices.get_peer(slice_hrn)
332 sfa_peer = slices.get_sfa_peer(slice_hrn)
334 # get the slice record
335 registry = api.registries[api.hrn]
336 credential = api.getCredential()
337 records = registry.Resolve(xrn, credential)
339 # similar to CreateSliver, we must verify that the required records exist
340 # at this aggregate before we can issue a ticket
341 site_id, remote_site_id = slices.verify_site(registry, credential, slice_hrn,
342 peer, sfa_peer, reg_objects)
343 slice = slices.verify_slice(registry, credential, slice_hrn, site_id,
344 remote_site_id, peer, sfa_peer, reg_objects)
346 # make sure we get a local slice record
348 for tmp_record in records:
349 if tmp_record['type'] == 'slice' and \
350 not tmp_record['peer_authority']:
351 record = SliceRecord(dict=tmp_record)
353 raise RecordNotFound(slice_hrn)
356 slivers = Slices(api).get_slivers(slice_hrn)
358 raise SliverDoesNotExist(slice_hrn)
363 'timestamp': int(time.time()),
364 'initscripts': initscripts,
369 object_gid = record.get_gid_object()
370 new_ticket = SfaTicket(subject = object_gid.get_subject())
371 new_ticket.set_gid_caller(api.auth.client_gid)
372 new_ticket.set_gid_object(object_gid)
373 new_ticket.set_issuer(key=api.key, subject=api.hrn)
374 new_ticket.set_pubkey(object_gid.get_pubkey())
375 new_ticket.set_attributes(data)
376 new_ticket.set_rspec(rspec)
377 #new_ticket.set_parent(api.auth.hierarchy.get_auth_ticket(auth_hrn))
381 return new_ticket.save_to_string(save_parents=True)
388 rspec = ListResources(api, "plc.princeton.sapan", None, 'pl_test_sapan')
389 #rspec = ListResources(api, "plc.princeton.coblitz", None, 'pl_test_coblitz')
390 #rspec = ListResources(api, "plc.pl.sirius", None, 'pl_test_sirius')
393 f = open(sys.argv[1])
396 CreateSliver(api, "plc.princeton.sapan", xml, 'CreateSliver_sapan')
398 if __name__ == "__main__":