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.aggregate import Aggregate
23 from sfa.plc.slices import *
24 from sfa.util.version import version_core
25 from sfa.rspecs.rspec_version import RSpecVersion
26 from sfa.util.sfatime import utcparse
27 from sfa.util.callids import Callids
31 return version_core({'interface':'aggregate',
34 'input_rspec' : ['PG 2', 'SFA 1'],
35 'output_rspec' : ["SFA 1"],
36 'ad_rspec' : ["PG 2", "SFA 1"],
39 def __get_registry_objects(slice_xrn, creds, users):
43 hrn, type = urn_to_hrn(slice_xrn)
45 hrn_auth = get_authority(hrn)
47 # Build up objects that an SFA registry would return if SFA
48 # could contact the slice's registry directly
52 # dont allow special characters in the site login base
53 #only_alphanumeric = re.compile('[^a-zA-Z0-9]+')
54 #login_base = only_alphanumeric.sub('', hrn_auth[:20]).lower()
55 slicename = hrn_to_pl_slicename(hrn)
56 login_base = slicename.split('_')[0]
60 site['name'] = 'geni.%s' % login_base
61 site['enabled'] = True
62 site['max_slices'] = 100
65 # Is it okay if this login base is the same as one already at this myplc site?
66 # Do we need uniqueness? Should use hrn_auth instead of just the leaf perhaps?
67 site['login_base'] = login_base
68 site['abbreviated_name'] = login_base
69 site['max_slivers'] = 1000
70 reg_objects['site'] = site
74 extime = Credential(string=creds[0]).get_expiration()
75 # If the expiration time is > 60 days from now, set the expiration time to 60 days from now
76 if extime > datetime.datetime.utcnow() + datetime.timedelta(days=60):
77 extime = datetime.datetime.utcnow() + datetime.timedelta(days=60)
78 slice['expires'] = int(time.mktime(extime.timetuple()))
80 slice['name'] = hrn_to_pl_slicename(hrn)
82 slice['description'] = hrn
84 reg_objects['slice_record'] = slice
86 reg_objects['users'] = {}
89 hrn, _ = urn_to_hrn(user['urn'])
90 user['email'] = hrn_to_pl_slicename(hrn) + "@geni.net"
91 user['first_name'] = hrn
92 user['last_name'] = hrn
93 reg_objects['users'][user['email']] = user
97 def __get_hostnames(nodes):
100 hostnames.append(node.hostname)
103 def SliverStatus(api, slice_xrn, creds, call_id):
104 if Callids().already_handled(call_id): return {}
106 (hrn, type) = urn_to_hrn(slice_xrn)
107 # find out where this slice is currently running
109 slicename = hrn_to_pl_slicename(hrn)
111 slices = api.plshell.GetSlices(api.plauth, [slicename], ['node_ids','person_ids','name','expires'])
113 raise Exception("Slice %s not found (used %s as slicename internally)" % slice_xrn, slicename)
116 # report about the local nodes only
117 nodes = api.plshell.GetNodes(api.plauth, {'node_id':slice['node_ids'],'peer_id':None},
118 ['hostname', 'site_id', 'boot_state', 'last_contact'])
119 site_ids = [node['site_id'] for node in nodes]
120 sites = api.plshell.GetSites(api.plauth, site_ids, ['site_id', 'login_base'])
121 sites_dict = dict ( [ (site['site_id'],site['login_base'] ) for site in sites ] )
124 top_level_status = 'unknown'
126 top_level_status = 'ready'
127 result['geni_urn'] = Xrn(slice_xrn, 'slice').get_urn()
128 result['pl_login'] = slice['name']
129 result['pl_expires'] = datetime.datetime.fromtimestamp(slice['expires']).ctime()
134 res['pl_hostname'] = node['hostname']
135 res['pl_boot_state'] = node['boot_state']
136 res['pl_last_contact'] = node['last_contact']
137 if node['last_contact'] is not None:
138 res['pl_last_contact'] = datetime.datetime.fromtimestamp(node['last_contact']).ctime()
139 res['geni_urn'] = hostname_to_urn(api.hrn, sites_dict[node['site_id']], node['hostname'])
140 if node['boot_state'] == 'boot':
141 res['geni_status'] = 'ready'
143 res['geni_status'] = 'failed'
144 top_level_staus = 'failed'
146 res['geni_error'] = ''
148 resources.append(res)
150 result['geni_status'] = top_level_status
151 result['geni_resources'] = resources
153 #api.logger.info(result)
157 def CreateSliver(api, slice_xrn, creds, rspec, users, call_id):
159 Create the sliver[s] (slice) at this aggregate.
160 Verify HRN and initialize the slice record in PLC if necessary.
162 if Callids().already_handled(call_id): return ""
164 reg_objects = __get_registry_objects(slice_xrn, creds, users)
166 (hrn, type) = urn_to_hrn(slice_xrn)
169 peer = slices.get_peer(hrn)
170 sfa_peer = slices.get_sfa_peer(hrn)
171 registry = api.registries[api.hrn]
172 credential = api.getCredential()
173 (site_id, remote_site_id) = slices.verify_site(registry, credential, hrn,
174 peer, sfa_peer, reg_objects)
176 slice_record = slices.verify_slice(registry, credential, hrn, site_id,
177 remote_site_id, peer, sfa_peer, reg_objects)
179 network = Network(api)
181 slice = network.get_slice(api, hrn)
182 slice.peer_id = slice_record['peer_slice_id']
183 current = __get_hostnames(slice.get_nodes())
185 network.addRSpec(rspec, api.config.SFA_AGGREGATE_RSPEC_SCHEMA)
186 request = __get_hostnames(network.nodesWithSlivers())
188 # remove nodes not in rspec
189 deleted_nodes = list(set(current).difference(request))
191 # add nodes from rspec
192 added_nodes = list(set(request).difference(current))
196 api.plshell.UnBindObjectFromPeer(api.plauth, 'slice', slice.id, peer)
198 api.plshell.AddSliceToNodes(api.plauth, slice.name, added_nodes)
199 api.plshell.DeleteSliceFromNodes(api.plauth, slice.name, deleted_nodes)
201 network.updateSliceTags()
205 api.plshell.BindObjectToPeer(api.plauth, 'slice', slice.id, peer,
208 # xxx - check this holds enough data for the client to understand what's happened
209 return network.toxml()
212 def RenewSliver(api, xrn, creds, expiration_time, call_id):
213 if Callids().already_handled(call_id): return True
214 (hrn, type) = urn_to_hrn(xrn)
215 slicename = hrn_to_pl_slicename(hrn)
216 slices = api.plshell.GetSlices(api.plauth, {'name': slicename}, ['slice_id'])
218 raise RecordNotFound(hrn)
220 requested_time = utcparse(expiration_time)
221 record = {'expires': int(time.mktime(requested_time.timetuple()))}
223 api.plshell.UpdateSlice(api.plauth, slice['slice_id'], record)
228 def start_slice(api, xrn, creds):
229 hrn, type = urn_to_hrn(xrn)
230 slicename = hrn_to_pl_slicename(hrn)
231 slices = api.plshell.GetSlices(api.plauth, {'name': slicename}, ['slice_id'])
233 raise RecordNotFound(hrn)
234 slice_id = slices[0]['slice_id']
235 slice_tags = api.plshell.GetSliceTags(api.plauth, {'slice_id': slice_id, 'tagname': 'enabled'}, ['slice_tag_id'])
236 # just remove the tag if it exists
238 api.plshell.DeleteSliceTag(api.plauth, slice_tags[0]['slice_tag_id'])
242 def stop_slice(api, xrn, creds):
243 hrn, type = urn_to_hrn(xrn)
244 slicename = hrn_to_pl_slicename(hrn)
245 slices = api.plshell.GetSlices(api.plauth, {'name': slicename}, ['slice_id'])
247 raise RecordNotFound(hrn)
248 slice_id = slices[0]['slice_id']
249 slice_tags = api.plshell.GetSliceTags(api.plauth, {'slice_id': slice_id, 'tagname': 'enabled'})
251 api.plshell.AddSliceTag(api.plauth, slice_id, 'enabled', '0')
252 elif slice_tags[0]['value'] != "0":
253 tag_id = attributes[0]['slice_tag_id']
254 api.plshell.UpdateSliceTag(api.plauth, tag_id, '0')
257 def reset_slice(api, xrn):
258 # XX not implemented at this interface
261 def DeleteSliver(api, xrn, creds, call_id):
262 if Callids().already_handled(call_id): return ""
263 (hrn, type) = urn_to_hrn(xrn)
264 slicename = hrn_to_pl_slicename(hrn)
265 slices = api.plshell.GetSlices(api.plauth, {'name': slicename})
270 # determine if this is a peer slice
271 peer = peers.get_peer(api, hrn)
274 api.plshell.UnBindObjectFromPeer(api.plauth, 'slice', slice['slice_id'], peer)
275 api.plshell.DeleteSliceFromNodes(api.plauth, slicename, slice['node_ids'])
278 api.plshell.BindObjectToPeer(api.plauth, 'slice', slice['slice_id'], peer, slice['peer_slice_id'])
281 # xxx Thierry : caching at the aggregate level sounds wrong...
284 def ListSlices(api, creds, call_id):
285 if Callids().already_handled(call_id): return []
286 # look in cache first
287 if caching and api.cache:
288 slices = api.cache.get('slices')
293 slices = api.plshell.GetSlices(api.plauth, {'peer_id': None}, ['name'])
294 slice_hrns = [slicename_to_hrn(api.hrn, slice['name']) for slice in slices]
295 slice_urns = [hrn_to_urn(slice_hrn, 'slice') for slice_hrn in slice_hrns]
298 if caching and api.cache:
299 api.cache.add('slices', slice_urns)
303 def ListResources(api, creds, options,call_id):
304 if Callids().already_handled(call_id): return ""
305 # get slice's hrn from options
306 xrn = options.get('geni_slice_urn', '')
307 (hrn, type) = urn_to_hrn(xrn)
309 # get the rspec's return format from options
310 rspec_version = RSpecVersion(options.get('rspec_version', 'SFA 1'))
311 version_string = "rspec_%s_%s" % (rspec_version.format, rspec_version.version)
313 # look in cache first
314 if caching and api.cache and not xrn:
315 rspec = api.cache.get(version_string)
317 api.logger.info("aggregate.ListResources: returning cached value for hrn %s"%hrn)
320 aggregate = Aggregate(api)
323 # get this rspec for the specified slice
324 rspec = aggregate.get_rspec(slice_xrn=hrn, version=rspec_version)
326 # generate rspec in both pg and sfa formats
327 rspec = aggregate.get_rspec(version=rspec_version)
329 if caching and api.cache:
330 api.cache.add(version_string, rspec)
335 def get_ticket(api, xrn, creds, rspec, users):
337 reg_objects = __get_registry_objects(xrn, creds, users)
339 slice_hrn, type = urn_to_hrn(xrn)
341 peer = slices.get_peer(slice_hrn)
342 sfa_peer = slices.get_sfa_peer(slice_hrn)
344 # get the slice record
345 registry = api.registries[api.hrn]
346 credential = api.getCredential()
347 records = registry.Resolve(xrn, credential)
349 # similar to CreateSliver, we must verify that the required records exist
350 # at this aggregate before we can issue a ticket
351 site_id, remote_site_id = slices.verify_site(registry, credential, slice_hrn,
352 peer, sfa_peer, reg_objects)
353 slice = slices.verify_slice(registry, credential, slice_hrn, site_id,
354 remote_site_id, peer, sfa_peer, reg_objects)
356 # make sure we get a local slice record
358 for tmp_record in records:
359 if tmp_record['type'] == 'slice' and \
360 not tmp_record['peer_authority']:
361 record = SliceRecord(dict=tmp_record)
363 raise RecordNotFound(slice_hrn)
366 slivers = Slices(api).get_slivers(slice_hrn)
368 raise SliverDoesNotExist(slice_hrn)
373 'timestamp': int(time.time()),
374 'initscripts': initscripts,
379 object_gid = record.get_gid_object()
380 new_ticket = SfaTicket(subject = object_gid.get_subject())
381 new_ticket.set_gid_caller(api.auth.client_gid)
382 new_ticket.set_gid_object(object_gid)
383 new_ticket.set_issuer(key=api.key, subject=api.hrn)
384 new_ticket.set_pubkey(object_gid.get_pubkey())
385 new_ticket.set_attributes(data)
386 new_ticket.set_rspec(rspec)
387 #new_ticket.set_parent(api.auth.hierarchy.get_auth_ticket(auth_hrn))
391 return new_ticket.save_to_string(save_parents=True)
398 rspec = ListResources(api, "plc.princeton.sapan", None, 'pl_test_sapan')
399 #rspec = ListResources(api, "plc.princeton.coblitz", None, 'pl_test_coblitz')
400 #rspec = ListResources(api, "plc.pl.sirius", None, 'pl_test_sirius')
403 f = open(sys.argv[1])
406 CreateSliver(api, "plc.princeton.sapan", xml, 'CreateSliver_sapan')
408 if __name__ == "__main__":