5 from sfa.util.faults import RecordNotFound, SliverDoesNotExist
6 from sfa.util.xrn import get_authority, hrn_to_urn, urn_to_hrn, Xrn, urn_to_sliver_id
7 from sfa.util.plxrn import slicename_to_hrn, hrn_to_pl_slicename
8 from sfa.util.version import version_core
9 from sfa.util.sfatime import utcparse
10 from sfa.util.callids import Callids
12 from sfa.trust.sfaticket import SfaTicket
13 from sfa.trust.credential import Credential
14 from sfa.rspecs.version_manager import VersionManager
15 from sfa.rspecs.rspec import RSpec
17 from sfa.server.sfaapi import SfaApi
19 import sfa.plc.peers as peers
20 from sfa.plc.aggregate import Aggregate
21 from sfa.plc.slices import Slices
25 version_manager = VersionManager()
26 ad_rspec_versions = []
27 request_rspec_versions = []
28 for rspec_version in version_manager.versions:
29 if rspec_version.content_type in ['*', 'ad']:
30 ad_rspec_versions.append(rspec_version.to_dict())
31 if rspec_version.content_type in ['*', 'request']:
32 request_rspec_versions.append(rspec_version.to_dict())
33 default_rspec_version = version_manager.get_version("sfa 1").to_dict()
35 version_more = {'interface':'aggregate',
38 'request_rspec_versions': request_rspec_versions,
39 'ad_rspec_versions': ad_rspec_versions,
40 'default_ad_rspec': default_rspec_version
42 return version_core(version_more)
44 def _get_registry_objects(slice_xrn, creds, users):
48 hrn, _ = urn_to_hrn(slice_xrn)
50 hrn_auth = get_authority(hrn)
52 # Build up objects that an SFA registry would return if SFA
53 # could contact the slice's registry directly
57 # dont allow special characters in the site login base
58 #only_alphanumeric = re.compile('[^a-zA-Z0-9]+')
59 #login_base = only_alphanumeric.sub('', hrn_auth[:20]).lower()
60 slicename = hrn_to_pl_slicename(hrn)
61 login_base = slicename.split('_')[0]
65 site['name'] = 'geni.%s' % login_base
66 site['enabled'] = True
67 site['max_slices'] = 100
70 # Is it okay if this login base is the same as one already at this myplc site?
71 # Do we need uniqueness? Should use hrn_auth instead of just the leaf perhaps?
72 site['login_base'] = login_base
73 site['abbreviated_name'] = login_base
74 site['max_slivers'] = 1000
75 reg_objects['site'] = site
79 # get_expiration always returns a normalized datetime - no need to utcparse
80 extime = Credential(string=creds[0]).get_expiration()
81 # If the expiration time is > 60 days from now, set the expiration time to 60 days from now
82 if extime > datetime.datetime.utcnow() + datetime.timedelta(days=60):
83 extime = datetime.datetime.utcnow() + datetime.timedelta(days=60)
84 slice['expires'] = int(time.mktime(extime.timetuple()))
86 slice['name'] = hrn_to_pl_slicename(hrn)
88 slice['description'] = hrn
90 reg_objects['slice_record'] = slice
92 reg_objects['users'] = {}
95 hrn, _ = urn_to_hrn(user['urn'])
96 user['email'] = hrn_to_pl_slicename(hrn) + "@geni.net"
97 user['first_name'] = hrn
98 user['last_name'] = hrn
99 reg_objects['users'][user['email']] = user
103 def SliverStatus(api, slice_xrn, creds, call_id):
104 if Callids().already_handled(call_id): return {}
106 (hrn, _) = urn_to_hrn(slice_xrn)
107 # find out where this slice is currently running
108 slicename = hrn_to_pl_slicename(hrn)
110 slices = api.driver.GetSlices([slicename], ['slice_id', '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.driver.GetNodes({'node_id':slice['node_ids'],'peer_id':None},
117 ['node_id', 'hostname', 'site_id', 'boot_state', 'last_contact'])
118 site_ids = [node['site_id'] for node in nodes]
121 top_level_status = 'unknown'
123 top_level_status = 'ready'
124 slice_urn = Xrn(slice_xrn, 'slice').get_urn()
125 result['geni_urn'] = slice_urn
126 result['pl_login'] = slice['name']
127 result['pl_expires'] = datetime.datetime.fromtimestamp(slice['expires']).ctime()
132 res['pl_hostname'] = node['hostname']
133 res['pl_boot_state'] = node['boot_state']
134 res['pl_last_contact'] = node['last_contact']
135 if node['last_contact'] is not None:
136 res['pl_last_contact'] = datetime.datetime.fromtimestamp(node['last_contact']).ctime()
137 sliver_id = urn_to_sliver_id(slice_urn, slice['slice_id'], node['node_id'])
138 res['geni_urn'] = sliver_id
139 if node['boot_state'] == 'boot':
140 res['geni_status'] = 'ready'
142 res['geni_status'] = 'failed'
143 top_level_status = 'failed'
145 res['geni_error'] = ''
147 resources.append(res)
149 result['geni_status'] = top_level_status
150 result['geni_resources'] = resources
153 def CreateSliver(api, slice_xrn, creds, rspec_string, users, call_id):
155 Create the sliver[s] (slice) at this aggregate.
156 Verify HRN and initialize the slice record in PLC if necessary.
158 if Callids().already_handled(call_id): return ""
160 aggregate = Aggregate(api)
162 (hrn, _) = urn_to_hrn(slice_xrn)
163 peer = slices.get_peer(hrn)
164 sfa_peer = slices.get_sfa_peer(hrn)
167 slice_record = users[0].get('slice_record', {})
170 rspec = RSpec(rspec_string)
171 requested_attributes = rspec.version.get_slice_attributes()
173 # ensure site record exists
174 site = slices.verify_site(hrn, slice_record, peer, sfa_peer)
175 # ensure slice record exists
176 slice = slices.verify_slice(hrn, slice_record, peer, sfa_peer)
177 # ensure person records exists
178 persons = slices.verify_persons(hrn, slice, users, peer, sfa_peer)
179 # ensure slice attributes exists
180 slices.verify_slice_attributes(slice, requested_attributes)
182 # add/remove slice from nodes
183 requested_slivers = [str(host) for host in rspec.version.get_nodes_with_slivers()]
184 slices.verify_slice_nodes(slice, requested_slivers, peer)
186 aggregate.prepare_nodes({'hostname': requested_slivers})
187 aggregate.prepare_interfaces({'node_id': aggregate.nodes.keys()})
188 slices.verify_slice_links(slice, rspec.version.get_link_requests(), aggregate)
190 # handle MyPLC peer association.
191 # only used by plc and ple.
192 slices.handle_peer(site, slice, persons, peer)
194 return aggregate.get_rspec(slice_xrn=slice_xrn, version=rspec.version)
197 def RenewSliver(api, xrn, creds, expiration_time, call_id):
198 if Callids().already_handled(call_id): return True
199 (hrn, _) = urn_to_hrn(xrn)
200 slicename = hrn_to_pl_slicename(hrn)
201 slices = api.driver.GetSlices({'name': slicename}, ['slice_id'])
203 raise RecordNotFound(hrn)
205 requested_time = utcparse(expiration_time)
206 record = {'expires': int(time.mktime(requested_time.timetuple()))}
208 api.driver.UpdateSlice(slice['slice_id'], record)
213 def start_slice(api, xrn, creds):
214 (hrn, _) = urn_to_hrn(xrn)
215 slicename = hrn_to_pl_slicename(hrn)
216 slices = api.driver.GetSlices({'name': slicename}, ['slice_id'])
218 raise RecordNotFound(hrn)
219 slice_id = slices[0]['slice_id']
220 slice_tags = api.driver.GetSliceTags({'slice_id': slice_id, 'tagname': 'enabled'}, ['slice_tag_id'])
221 # just remove the tag if it exists
223 api.driver.DeleteSliceTag(slice_tags[0]['slice_tag_id'])
227 def stop_slice(api, xrn, creds):
228 hrn, _ = urn_to_hrn(xrn)
229 slicename = hrn_to_pl_slicename(hrn)
230 slices = api.driver.GetSlices({'name': slicename}, ['slice_id'])
232 raise RecordNotFound(hrn)
233 slice_id = slices[0]['slice_id']
234 slice_tags = api.driver.GetSliceTags({'slice_id': slice_id, 'tagname': 'enabled'})
236 api.driver.AddSliceTag(slice_id, 'enabled', '0')
237 elif slice_tags[0]['value'] != "0":
238 tag_id = slice_tags[0]['slice_tag_id']
239 api.driver.UpdateSliceTag(tag_id, '0')
242 def reset_slice(api, xrn):
243 # XX not implemented at this interface
246 def DeleteSliver(api, xrn, creds, call_id):
247 if Callids().already_handled(call_id): return ""
248 (hrn, _) = urn_to_hrn(xrn)
249 slicename = hrn_to_pl_slicename(hrn)
250 slices = api.driver.GetSlices({'name': slicename})
255 # determine if this is a peer slice
256 peer = peers.get_peer(api, hrn)
259 api.driver.UnBindObjectFromPeer('slice', slice['slice_id'], peer)
260 api.driver.DeleteSliceFromNodes(slicename, slice['node_ids'])
263 api.driver.BindObjectToPeer('slice', slice['slice_id'], peer, slice['peer_slice_id'])
266 # xxx Thierry : caching at the aggregate level sounds wrong...
269 def ListSlices(api, creds, call_id):
270 if Callids().already_handled(call_id): return []
271 # look in cache first
272 if caching and api.cache:
273 slices = api.cache.get('slices')
278 slices = api.driver.GetSlices({'peer_id': None}, ['name'])
279 slice_hrns = [slicename_to_hrn(api.hrn, slice['name']) for slice in slices]
280 slice_urns = [hrn_to_urn(slice_hrn, 'slice') for slice_hrn in slice_hrns]
283 if caching and api.cache:
284 api.cache.add('slices', slice_urns)
288 def ListResources(api, creds, options, call_id):
289 if Callids().already_handled(call_id): return ""
290 # get slice's hrn from options
291 xrn = options.get('geni_slice_urn', None)
292 (hrn, _) = urn_to_hrn(xrn)
294 version_manager = VersionManager()
295 # get the rspec's return format from options
296 rspec_version = version_manager.get_version(options.get('rspec_version'))
297 version_string = "rspec_%s" % (rspec_version.to_string())
299 #panos adding the info option to the caching key (can be improved)
300 if options.get('info'):
301 version_string = version_string + "_"+options.get('info', 'default')
303 # look in cache first
304 if caching and api.cache and not xrn:
305 rspec = api.cache.get(version_string)
307 api.logger.info("aggregate.ListResources: returning cached value for hrn %s"%hrn)
310 #panos: passing user-defined options
311 #print "manager options = ",options
312 aggregate = Aggregate(api, options)
313 rspec = aggregate.get_rspec(slice_xrn=xrn, version=rspec_version)
316 if caching and api.cache and not xrn:
317 api.cache.add(version_string, rspec)
322 def get_ticket(api, xrn, creds, rspec, users):
324 (slice_hrn, _) = urn_to_hrn(xrn)
326 peer = slices.get_peer(slice_hrn)
327 sfa_peer = slices.get_sfa_peer(slice_hrn)
329 # get the slice record
330 credential = api.getCredential()
331 interface = api.registries[api.hrn]
332 registry = api.server_proxy(interface, credential)
333 records = registry.Resolve(xrn, credential)
335 # make sure we get a local slice record
337 for tmp_record in records:
338 if tmp_record['type'] == 'slice' and \
339 not tmp_record['peer_authority']:
340 #Error (E0602, get_ticket): Undefined variable 'SliceRecord'
341 record = SliceRecord(dict=tmp_record)
343 raise RecordNotFound(slice_hrn)
345 # similar to CreateSliver, we must verify that the required records exist
346 # at this aggregate before we can issue a ticket
348 rspec = RSpec(rspec_string)
349 requested_attributes = rspec.version.get_slice_attributes()
351 # ensure site record exists
352 site = slices.verify_site(hrn, slice_record, peer, sfa_peer)
353 # ensure slice record exists
354 slice = slices.verify_slice(hrn, slice_record, peer, sfa_peer)
355 # ensure person records exists
356 persons = slices.verify_persons(hrn, slice, users, peer, sfa_peer)
357 # ensure slice attributes exists
358 slices.verify_slice_attributes(slice, requested_attributes)
361 slivers = slices.get_slivers(slice_hrn)
364 raise SliverDoesNotExist(slice_hrn)
369 'timestamp': int(time.time()),
370 'initscripts': initscripts,
375 object_gid = record.get_gid_object()
376 new_ticket = SfaTicket(subject = object_gid.get_subject())
377 new_ticket.set_gid_caller(api.auth.client_gid)
378 new_ticket.set_gid_object(object_gid)
379 new_ticket.set_issuer(key=api.key, subject=api.hrn)
380 new_ticket.set_pubkey(object_gid.get_pubkey())
381 new_ticket.set_attributes(data)
382 new_ticket.set_rspec(rspec)
383 #new_ticket.set_parent(api.auth.hierarchy.get_auth_ticket(auth_hrn))
387 return new_ticket.save_to_string(save_parents=True)