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.util.sfatime import utcparse
26 from sfa.util.callids import Callids
30 return version_core({'interface':'aggregate',
33 'input_rspec' : ['PG 2', 'SFA 1'],
34 'output_rspec' : ["SFA 1"],
35 'ad_rspec' : ["PG 2", "SFA 1"],
38 def __get_registry_objects(slice_xrn, creds, users):
42 hrn, type = urn_to_hrn(slice_xrn)
44 hrn_auth = get_authority(hrn)
46 # Build up objects that an SFA registry would return if SFA
47 # could contact the slice's registry directly
51 # dont allow special characters in the site login base
52 #only_alphanumeric = re.compile('[^a-zA-Z0-9]+')
53 #login_base = only_alphanumeric.sub('', hrn_auth[:20]).lower()
54 slicename = hrn_to_pl_slicename(hrn)
55 login_base = slicename.split('_')[0]
59 site['name'] = 'geni.%s' % login_base
60 site['enabled'] = True
61 site['max_slices'] = 100
64 # Is it okay if this login base is the same as one already at this myplc site?
65 # Do we need uniqueness? Should use hrn_auth instead of just the leaf perhaps?
66 site['login_base'] = login_base
67 site['abbreviated_name'] = login_base
68 site['max_slivers'] = 1000
69 reg_objects['site'] = site
73 extime = Credential(string=creds[0]).get_expiration()
74 # If the expiration time is > 60 days from now, set the expiration time to 60 days from now
75 if extime > datetime.datetime.utcnow() + datetime.timedelta(days=60):
76 extime = datetime.datetime.utcnow() + datetime.timedelta(days=60)
77 slice['expires'] = int(time.mktime(extime.timetuple()))
79 slice['name'] = hrn_to_pl_slicename(hrn)
81 slice['description'] = hrn
83 reg_objects['slice_record'] = slice
85 reg_objects['users'] = {}
88 hrn, _ = urn_to_hrn(user['urn'])
89 user['email'] = hrn_to_pl_slicename(hrn) + "@geni.net"
90 user['first_name'] = hrn
91 user['last_name'] = hrn
92 reg_objects['users'][user['email']] = user
96 def __get_hostnames(nodes):
99 hostnames.append(node.hostname)
102 def SliverStatus(api, slice_xrn, creds, call_id):
103 if Callids().already_handled(call_id): return {}
105 (hrn, type) = urn_to_hrn(slice_xrn)
106 # find out where this slice is currently running
108 slicename = hrn_to_pl_slicename(hrn)
110 slices = api.plshell.GetSlices(api.plauth, [slicename], ['node_ids','person_ids','name','expires'])
112 raise Exception("Slice %s not found (used %s as slicename internally)" % slice_xrn, slicename)
115 # report about the local nodes only
116 nodes = api.plshell.GetNodes(api.plauth, {'node_id':slice['node_ids'],'peer_id':None},
117 ['hostname', 'site_id', 'boot_state', 'last_contact'])
118 site_ids = [node['site_id'] for node in nodes]
119 sites = api.plshell.GetSites(api.plauth, site_ids, ['site_id', 'login_base'])
120 sites_dict = dict ( [ (site['site_id'],site['login_base'] ) for site in sites ] )
123 top_level_status = 'unknown'
125 top_level_status = 'ready'
126 result['geni_urn'] = Xrn(slice_xrn, 'slice').get_urn()
127 result['pl_login'] = slice['name']
128 result['pl_expires'] = datetime.datetime.fromtimestamp(slice['expires']).ctime()
133 res['pl_hostname'] = node['hostname']
134 res['pl_boot_state'] = node['boot_state']
135 res['pl_last_contact'] = node['last_contact']
136 if node['last_contact'] is not None:
137 res['pl_last_contact'] = datetime.datetime.fromtimestamp(node['last_contact']).ctime()
138 res['geni_urn'] = hostname_to_urn(api.hrn, sites_dict[node['site_id']], node['hostname'])
139 if node['boot_state'] == 'boot':
140 res['geni_status'] = 'ready'
142 res['geni_status'] = 'failed'
143 top_level_staus = 'failed'
145 res['geni_error'] = ''
147 resources.append(res)
149 result['geni_status'] = top_level_status
150 result['geni_resources'] = resources
152 #api.logger.info(result)
156 def CreateSliver(api, slice_xrn, creds, rspec, users, call_id):
158 Create the sliver[s] (slice) at this aggregate.
159 Verify HRN and initialize the slice record in PLC if necessary.
161 if Callids().already_handled(call_id): return ""
163 reg_objects = __get_registry_objects(slice_xrn, creds, users)
165 (hrn, type) = urn_to_hrn(slice_xrn)
168 peer = slices.get_peer(hrn)
169 sfa_peer = slices.get_sfa_peer(hrn)
170 registry = api.registries[api.hrn]
171 credential = api.getCredential()
172 (site_id, remote_site_id) = slices.verify_site(registry, credential, hrn,
173 peer, sfa_peer, reg_objects)
175 slice_record = slices.verify_slice(registry, credential, hrn, site_id,
176 remote_site_id, peer, sfa_peer, reg_objects)
178 network = Network(api)
180 slice = network.get_slice(api, hrn)
181 slice.peer_id = slice_record['peer_slice_id']
182 current = __get_hostnames(slice.get_nodes())
184 network.addRSpec(rspec, api.config.SFA_AGGREGATE_RSPEC_SCHEMA)
185 request = __get_hostnames(network.nodesWithSlivers())
187 # remove nodes not in rspec
188 deleted_nodes = list(set(current).difference(request))
190 # add nodes from rspec
191 added_nodes = list(set(request).difference(current))
195 api.plshell.UnBindObjectFromPeer(api.plauth, 'slice', slice.id, peer)
197 api.plshell.AddSliceToNodes(api.plauth, slice.name, added_nodes)
198 api.plshell.DeleteSliceFromNodes(api.plauth, slice.name, deleted_nodes)
200 network.updateSliceTags()
204 api.plshell.BindObjectToPeer(api.plauth, 'slice', slice.id, peer,
207 # xxx - check this holds enough data for the client to understand what's happened
208 return network.toxml()
211 def RenewSliver(api, xrn, creds, expiration_time, call_id):
212 if Callids().already_handled(call_id): return True
213 (hrn, type) = urn_to_hrn(xrn)
214 slicename = hrn_to_pl_slicename(hrn)
215 slices = api.plshell.GetSlices(api.plauth, {'name': slicename}, ['slice_id'])
217 raise RecordNotFound(hrn)
219 requested_time = utcparse(expiration_time)
220 record = {'expires': int(time.mktime(requested_time.timetuple()))}
222 api.plshell.UpdateSlice(api.plauth, slice['slice_id'], record)
227 def start_slice(api, xrn, creds):
228 hrn, type = urn_to_hrn(xrn)
229 slicename = hrn_to_pl_slicename(hrn)
230 slices = api.plshell.GetSlices(api.plauth, {'name': slicename}, ['slice_id'])
232 raise RecordNotFound(hrn)
233 slice_id = slices[0]['slice_id']
234 slice_tags = api.plshell.GetSliceTags(api.plauth, {'slice_id': slice_id, 'tagname': 'enabled'}, ['slice_tag_id'])
235 # just remove the tag if it exists
237 api.plshell.DeleteSliceTag(api.plauth, slice_tags[0]['slice_tag_id'])
241 def stop_slice(api, xrn, creds):
242 hrn, type = urn_to_hrn(xrn)
243 slicename = hrn_to_pl_slicename(hrn)
244 slices = api.plshell.GetSlices(api.plauth, {'name': slicename}, ['slice_id'])
246 raise RecordNotFound(hrn)
247 slice_id = slices[0]['slice_id']
248 slice_tags = api.plshell.GetSliceTags(api.plauth, {'slice_id': slice_id, 'tagname': 'enabled'})
250 api.plshell.AddSliceTag(api.plauth, slice_id, 'enabled', '0')
251 elif slice_tags[0]['value'] != "0":
252 tag_id = attributes[0]['slice_tag_id']
253 api.plshell.UpdateSliceTag(api.plauth, tag_id, '0')
256 def reset_slice(api, xrn):
257 # XX not implemented at this interface
260 def DeleteSliver(api, xrn, creds, call_id):
261 if Callids().already_handled(call_id): return ""
262 (hrn, type) = urn_to_hrn(xrn)
263 slicename = hrn_to_pl_slicename(hrn)
264 slices = api.plshell.GetSlices(api.plauth, {'name': slicename})
269 # determine if this is a peer slice
270 peer = peers.get_peer(api, hrn)
273 api.plshell.UnBindObjectFromPeer(api.plauth, 'slice', slice['slice_id'], peer)
274 api.plshell.DeleteSliceFromNodes(api.plauth, slicename, slice['node_ids'])
277 api.plshell.BindObjectToPeer(api.plauth, 'slice', slice['slice_id'], peer, slice['peer_slice_id'])
280 # xxx Thierry : caching at the aggregate level sounds wrong...
283 def ListSlices(api, creds, call_id):
284 if Callids().already_handled(call_id): return []
285 # look in cache first
286 if caching and api.cache:
287 slices = api.cache.get('slices')
292 slices = api.plshell.GetSlices(api.plauth, {'peer_id': None}, ['name'])
293 slice_hrns = [slicename_to_hrn(api.hrn, slice['name']) for slice in slices]
294 slice_urns = [hrn_to_urn(slice_hrn, 'slice') for slice_hrn in slice_hrns]
297 if caching and api.cache:
298 api.cache.add('slices', slice_urns)
302 def ListResources(api, creds, options,call_id):
303 if Callids().already_handled(call_id): return ""
304 # get slice's hrn from options
305 xrn = options.get('geni_slice_urn', '')
306 (hrn, type) = urn_to_hrn(xrn)
308 # get the rspec's return format from options
310 format_raw = options.get('rspec_version', 'SFA 1')
311 format_split = format_raw.split(' ')
312 format, version = format_split[0].lower(), format_split[1]
314 # invalid format. Just continue
315 format, version = 'sfa', '1'
316 format_template = "rsepc_%s_%s"
318 # look in cache first
319 if caching and api.cache and not xrn:
320 rspec = api.cache.get(format_template % (format, version))
322 api.logger.info("aggregate.ListResources: returning cached value for hrn %s"%hrn)
325 aggregate = Aggregate(api)
328 # get this rspec for the specified slice
329 rspec = aggregate.get_rspec(slice_xrn=hrn, format=format)
331 # generate rspec in both pg and sfa formats
332 rspec = aggregate.get_rspec(format=format)
334 if caching and api.cache:
335 api.cache.add(format_template % (format, version), rspec)
340 def get_ticket(api, xrn, creds, rspec, users):
342 reg_objects = __get_registry_objects(xrn, creds, users)
344 slice_hrn, type = urn_to_hrn(xrn)
346 peer = slices.get_peer(slice_hrn)
347 sfa_peer = slices.get_sfa_peer(slice_hrn)
349 # get the slice record
350 registry = api.registries[api.hrn]
351 credential = api.getCredential()
352 records = registry.Resolve(xrn, credential)
354 # similar to CreateSliver, we must verify that the required records exist
355 # at this aggregate before we can issue a ticket
356 site_id, remote_site_id = slices.verify_site(registry, credential, slice_hrn,
357 peer, sfa_peer, reg_objects)
358 slice = slices.verify_slice(registry, credential, slice_hrn, site_id,
359 remote_site_id, peer, sfa_peer, reg_objects)
361 # make sure we get a local slice record
363 for tmp_record in records:
364 if tmp_record['type'] == 'slice' and \
365 not tmp_record['peer_authority']:
366 record = SliceRecord(dict=tmp_record)
368 raise RecordNotFound(slice_hrn)
371 slivers = Slices(api).get_slivers(slice_hrn)
373 raise SliverDoesNotExist(slice_hrn)
378 'timestamp': int(time.time()),
379 'initscripts': initscripts,
384 object_gid = record.get_gid_object()
385 new_ticket = SfaTicket(subject = object_gid.get_subject())
386 new_ticket.set_gid_caller(api.auth.client_gid)
387 new_ticket.set_gid_object(object_gid)
388 new_ticket.set_issuer(key=api.key, subject=api.hrn)
389 new_ticket.set_pubkey(object_gid.get_pubkey())
390 new_ticket.set_attributes(data)
391 new_ticket.set_rspec(rspec)
392 #new_ticket.set_parent(api.auth.hierarchy.get_auth_ticket(auth_hrn))
396 return new_ticket.save_to_string(save_parents=True)
403 rspec = ListResources(api, "plc.princeton.sapan", None, 'pl_test_sapan')
404 #rspec = ListResources(api, "plc.princeton.coblitz", None, 'pl_test_coblitz')
405 #rspec = ListResources(api, "plc.pl.sirius", None, 'pl_test_sirius')
408 f = open(sys.argv[1])
411 CreateSliver(api, "plc.princeton.sapan", xml, 'CreateSliver_sapan')
413 if __name__ == "__main__":