5 from sfa.util.sfalogging import logger
6 from sfa.util.faults import RecordNotFound, SliverDoesNotExist
7 from sfa.util.xrn import get_authority, hrn_to_urn, urn_to_hrn, Xrn, urn_to_sliver_id
8 from sfa.util.plxrn import slicename_to_hrn, hrn_to_pl_slicename
9 from sfa.util.version import version_core
10 from sfa.util.sfatime import utcparse
11 from sfa.util.callids import Callids
13 from sfa.trust.sfaticket import SfaTicket
14 from sfa.trust.credential import Credential
15 from sfa.rspecs.version_manager import VersionManager
16 from sfa.rspecs.rspec import RSpec
18 from sfa.server.sfaapi import SfaApi
19 from sfa.senslab.OARrspec import OARrspec
20 import sfa.plc.peers as peers
21 #from sfa.plc.aggregate import Aggregate
22 from sfa.plc.slices import Slices
24 class AggregateManager:
27 # xxx Thierry : caching at the aggregate level sounds wrong...
31 def GetVersion(self, api, options={}):
33 version_manager = VersionManager()
34 ad_rspec_versions = []
35 request_rspec_versions = []
36 for rspec_version in version_manager.versions:
37 if rspec_version.content_type in ['*', 'ad']:
38 ad_rspec_versions.append(rspec_version.to_dict())
39 if rspec_version.content_type in ['*', 'request']:
40 request_rspec_versions.append(rspec_version.to_dict())
42 version_more = {'interface':'aggregate',
44 'geni_api': api.config.SFA_AGGREGATE_API_VERSION,
47 'geni_request_rspec_versions': request_rspec_versions,
48 'geni_ad_rspec_versions': ad_rspec_versions,
50 return version_core(version_more)
52 def _get_registry_objects(self, slice_xrn, creds, users):
56 hrn, _ = urn_to_hrn(slice_xrn)
58 hrn_auth = get_authority(hrn)
60 # Build up objects that an SFA registry would return if SFA
61 # could contact the slice's registry directly
65 # dont allow special characters in the site login base
66 #only_alphanumeric = re.compile('[^a-zA-Z0-9]+')
67 #login_base = only_alphanumeric.sub('', hrn_auth[:20]).lower()
68 slicename = hrn_to_pl_slicename(hrn)
69 login_base = slicename.split('_')[0]
73 site['name'] = 'geni.%s' % login_base
74 site['enabled'] = True
75 site['max_slices'] = 100
78 # Is it okay if this login base is the same as one already at this myplc site?
79 # Do we need uniqueness? Should use hrn_auth instead of just the leaf perhaps?
80 site['login_base'] = login_base
81 site['abbreviated_name'] = login_base
82 site['max_slivers'] = 1000
83 reg_objects['site'] = site
87 # get_expiration always returns a normalized datetime - no need to utcparse
88 extime = Credential(string=creds[0]).get_expiration()
89 # If the expiration time is > 60 days from now, set the expiration time to 60 days from now
90 if extime > datetime.datetime.utcnow() + datetime.timedelta(days=60):
91 extime = datetime.datetime.utcnow() + datetime.timedelta(days=60)
92 slice['expires'] = int(time.mktime(extime.timetuple()))
94 slice['name'] = hrn_to_pl_slicename(hrn)
96 slice['description'] = hrn
98 reg_objects['slice_record'] = slice
100 reg_objects['users'] = {}
103 hrn, _ = urn_to_hrn(user['urn'])
104 user['email'] = hrn_to_pl_slicename(hrn) + "@geni.net"
105 user['first_name'] = hrn
106 user['last_name'] = hrn
107 reg_objects['users'][user['email']] = user
111 def SliverStatus(self, api, slice_xrn, creds, options={}):
112 call_id = options.get('call_id')
113 if Callids().already_handled(call_id): return {}
115 (hrn, _) = urn_to_hrn(slice_xrn)
116 # find out where this slice is currently running
117 slicename = hrn_to_pl_slicename(hrn)
119 slices = api.driver.GetSlices([slicename], ['slice_id', 'node_ids','person_ids','name','expires'])
121 raise Exception("Slice %s not found (used %s as slicename internally)" % (slice_xrn, slicename))
124 # report about the local nodes only
125 nodes = api.driver.GetNodes({'node_id':slice['node_ids'],'peer_id':None},
126 ['node_id', 'hostname', 'site_id', 'boot_state', 'last_contact'])
127 site_ids = [node['site_id'] for node in nodes]
130 top_level_status = 'unknown'
132 top_level_status = 'ready'
133 slice_urn = Xrn(slice_xrn, 'slice').get_urn()
134 result['geni_urn'] = slice_urn
135 result['pl_login'] = slice['name']
136 result['pl_expires'] = datetime.datetime.fromtimestamp(slice['expires']).ctime()
141 res['pl_hostname'] = node['hostname']
142 res['pl_boot_state'] = node['boot_state']
143 res['pl_last_contact'] = node['last_contact']
144 if node['last_contact'] is not None:
145 res['pl_last_contact'] = datetime.datetime.fromtimestamp(node['last_contact']).ctime()
146 sliver_id = urn_to_sliver_id(slice_urn, slice['slice_id'], node['node_id'])
147 res['geni_urn'] = sliver_id
148 if node['boot_state'] == 'boot':
149 res['geni_status'] = 'ready'
151 res['geni_status'] = 'failed'
152 top_level_status = 'failed'
154 res['geni_error'] = ''
156 resources.append(res)
158 result['geni_status'] = top_level_status
159 result['geni_resources'] = resources
162 def CreateSliver(self, api, slice_xrn, creds, rspec_string, users, options={}):
164 Create the sliver[s] (slice) at this aggregate.
165 Verify HRN and initialize the slice record in PLC if necessary.
167 call_id = options.get('call_id')
168 if Callids().already_handled(call_id): return ""
170 aggregate = Aggregate(api)
172 (hrn, _) = urn_to_hrn(slice_xrn)
173 peer = slices.get_peer(hrn)
174 sfa_peer = slices.get_sfa_peer(hrn)
177 slice_record = users[0].get('slice_record', {})
180 rspec = RSpec(rspec_string)
181 requested_attributes = rspec.version.get_slice_attributes()
183 # ensure site record exists
184 site = slices.verify_site(hrn, slice_record, peer, sfa_peer)
185 # ensure slice record exists
186 slice = slices.verify_slice(hrn, slice_record, peer, sfa_peer)
187 # ensure person records exists
188 persons = slices.verify_persons(hrn, slice, users, peer, sfa_peer)
189 # ensure slice attributes exists
190 slices.verify_slice_attributes(slice, requested_attributes)
192 # add/remove slice from nodes
193 requested_slivers = [node.get('component_name') for node in rspec.version.get_nodes_with_slivers()]
194 slices.verify_slice_nodes(slice, requested_slivers, peer)
196 # add/remove links links
197 slices.verify_slice_links(slice, rspec.version.get_link_requests(), aggregate)
199 # handle MyPLC peer association.
200 # only used by plc and ple.
201 slices.handle_peer(site, slice, persons, peer)
203 return aggregate.get_rspec(slice_xrn=slice_xrn, version=rspec.version)
206 def RenewSliver(self, api, xrn, creds, expiration_time, options={}):
207 call_id = options.get('call_id')
208 if Callids().already_handled(call_id): return True
209 (hrn, _) = urn_to_hrn(xrn)
210 slicename = hrn_to_pl_slicename(hrn)
211 slices = api.driver.GetSlices({'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.driver.UpdateSlice(slice['slice_id'], record)
223 def start_slice(self, api, xrn, creds):
224 (hrn, _) = urn_to_hrn(xrn)
225 slicename = hrn_to_pl_slicename(hrn)
226 slices = api.driver.GetSlices({'name': slicename}, ['slice_id'])
228 raise RecordNotFound(hrn)
229 slice_id = slices[0]['slice_id']
230 slice_tags = api.driver.GetSliceTags({'slice_id': slice_id, 'tagname': 'enabled'}, ['slice_tag_id'])
231 # just remove the tag if it exists
233 api.driver.DeleteSliceTag(slice_tags[0]['slice_tag_id'])
237 def stop_slice(self, api, xrn, creds):
238 hrn, _ = urn_to_hrn(xrn)
239 slicename = hrn_to_pl_slicename(hrn)
240 slices = api.driver.GetSlices({'name': slicename}, ['slice_id'])
242 raise RecordNotFound(hrn)
243 slice_id = slices[0]['slice_id']
244 slice_tags = api.driver.GetSliceTags({'slice_id': slice_id, 'tagname': 'enabled'})
246 api.driver.AddSliceTag(slice_id, 'enabled', '0')
247 elif slice_tags[0]['value'] != "0":
248 tag_id = slice_tags[0]['slice_tag_id']
249 api.driver.UpdateSliceTag(tag_id, '0')
252 def reset_slice(self, api, xrn):
253 # XX not implemented at this interface
256 def DeleteSliver(self, api, xrn, creds, options={}):
257 call_id = options.get('call_id')
258 if Callids().already_handled(call_id): return ""
259 (hrn, _) = urn_to_hrn(xrn)
260 slicename = hrn_to_pl_slicename(hrn)
261 slices = api.driver.GetSlices({'name': slicename})
266 # determine if this is a peer slice
267 peer = peers.get_peer(api, hrn)
270 api.driver.UnBindObjectFromPeer('slice', slice['slice_id'], peer)
271 api.driver.DeleteSliceFromNodes(slicename, slice['node_ids'])
274 api.driver.BindObjectToPeer('slice', slice['slice_id'], peer, slice['peer_slice_id'])
277 def ListSlices(self, api, creds, options={}):
278 call_id = options.get('call_id')
279 if Callids().already_handled(call_id): return []
280 # look in cache first
281 if self.caching and api.cache:
282 slices = api.cache.get('slices')
287 slices = api.driver.GetSlices({'peer_id': None}, ['name'])
288 slice_hrns = [slicename_to_hrn(api.hrn, slice['name']) for slice in slices]
289 slice_urns = [hrn_to_urn(slice_hrn, 'slice') for slice_hrn in slice_hrns]
292 if self.caching and api.cache:
293 api.cache.add('slices', slice_urns)
297 def ListResources(self, api, creds, options={}):
298 call_id = options.get('call_id')
299 if Callids().already_handled(call_id): return ""
300 # get slice's hrn from options
301 xrn = options.get('geni_slice_urn', None)
302 cached = options.get('cached', True)
303 (hrn, _) = urn_to_hrn(xrn)
305 version_manager = VersionManager()
306 # get the rspec's return format from options
307 rspec_version = version_manager.get_version(options.get('geni_rspec_version'))
308 version_string = "rspec_%s" % (rspec_version)
310 #panos adding the info option to the caching key (can be improved)
311 if options.get('info'):
312 version_string = version_string + "_"+options.get('info', 'default')
314 # look in cache first
315 if self.caching and api.cache and not xrn and cached:
316 rspec = api.cache.get(version_string)
318 api.logger.info("aggregate.ListResources: returning cached value for hrn %s"%hrn)
321 #panos: passing user-defined options
322 #print "manager options = ",options
323 aggregate = OARrspec(api)
324 #aggregate = Aggregate(api)
325 rspec = aggregate.get_rspec(slice_xrn=xrn, version=rspec_version, options=options)
328 if self.caching and api.cache and not xrn:
329 api.cache.add(version_string, rspec)
334 def GetTicket(self, api, xrn, creds, rspec, users, options={}):
336 (slice_hrn, _) = urn_to_hrn(xrn)
338 peer = slices.get_peer(slice_hrn)
339 sfa_peer = slices.get_sfa_peer(slice_hrn)
341 # get the slice record
342 credential = api.getCredential()
343 interface = api.registries[api.hrn]
344 registry = api.server_proxy(interface, credential)
345 records = registry.Resolve(xrn, credential)
347 # make sure we get a local slice record
349 for tmp_record in records:
350 if tmp_record['type'] == 'slice' and \
351 not tmp_record['peer_authority']:
352 #Error (E0602, GetTicket): Undefined variable 'SliceRecord'
353 record = SliceRecord(dict=tmp_record)
355 raise RecordNotFound(slice_hrn)
357 # similar to CreateSliver, we must verify that the required records exist
358 # at this aggregate before we can issue a ticket
360 rspec = RSpec(rspec_string)
361 requested_attributes = rspec.version.get_slice_attributes()
363 # ensure site record exists
364 site = slices.verify_site(hrn, slice_record, peer, sfa_peer)
365 # ensure slice record exists
366 slice = slices.verify_slice(hrn, slice_record, peer, sfa_peer)
367 # ensure person records exists
368 persons = slices.verify_persons(hrn, slice, users, peer, sfa_peer)
369 # ensure slice attributes exists
370 slices.verify_slice_attributes(slice, requested_attributes)
373 slivers = slices.get_slivers(slice_hrn)
376 raise SliverDoesNotExist(slice_hrn)
381 'timestamp': int(time.time()),
382 'initscripts': initscripts,
387 object_gid = record.get_gid_object()
388 new_ticket = SfaTicket(subject = object_gid.get_subject())
389 new_ticket.set_gid_caller(api.auth.client_gid)
390 new_ticket.set_gid_object(object_gid)
391 new_ticket.set_issuer(key=api.key, subject=api.hrn)
392 new_ticket.set_pubkey(object_gid.get_pubkey())
393 new_ticket.set_attributes(data)
394 new_ticket.set_rspec(rspec)
395 #new_ticket.set_parent(api.auth.hierarchy.get_auth_ticket(auth_hrn))
399 return new_ticket.save_to_string(save_parents=True)