8 from types import StringTypes
10 from sfa.util.faults import *
11 from sfa.util.xrn import get_authority, hrn_to_urn, urn_to_hrn, Xrn, urn_to_sliver_id
12 from sfa.util.plxrn import slicename_to_hrn, hrn_to_pl_slicename, hostname_to_urn
13 from sfa.util.rspec import *
14 from sfa.util.specdict import *
15 from sfa.util.record import SfaRecord
16 from sfa.util.policy import Policy
17 from sfa.util.record import *
18 from sfa.util.sfaticket import SfaTicket
19 from sfa.plc.slices import Slices
20 from sfa.trust.credential import Credential
21 import sfa.plc.peers as peers
22 from sfa.plc.network import *
23 from sfa.plc.api import SfaAPI
24 from sfa.plc.aggregate import Aggregate
25 from sfa.plc.slices import *
26 from sfa.util.version import version_core
27 from sfa.rspecs.version_manager import VersionManager
28 from sfa.rspecs.rspec import RSpec
29 from sfa.util.sfatime import utcparse
30 from sfa.util.callids import Callids
34 version_manager = VersionManager()
35 ad_rspec_versions = []
36 request_rspec_versions = []
37 for rspec_version in version_manager.versions:
38 if rspec_version in ['*', 'ad']:
39 request_rspec_versions.append(rspec_version.to_dict())
40 if rspec_version in ['*', 'request']:
41 request_rspec_version.append(rspec_version.to_dict())
42 default_rspec_version = version_manager.get_version("sfa 1").to_dict()
44 version_more = {'interface':'aggregate',
47 'request_rspec_versions': request_rspec_versions,
48 'ad_rspec_versions': ad_rspec_versions,
49 'default_ad_rspec': default_rspec_version
51 return version_core(version_more)
53 def __get_registry_objects(slice_xrn, creds, users):
57 hrn, type = urn_to_hrn(slice_xrn)
59 hrn_auth = get_authority(hrn)
61 # Build up objects that an SFA registry would return if SFA
62 # could contact the slice's registry directly
66 # dont allow special characters in the site login base
67 #only_alphanumeric = re.compile('[^a-zA-Z0-9]+')
68 #login_base = only_alphanumeric.sub('', hrn_auth[:20]).lower()
69 slicename = hrn_to_pl_slicename(hrn)
70 login_base = slicename.split('_')[0]
74 site['name'] = 'geni.%s' % login_base
75 site['enabled'] = True
76 site['max_slices'] = 100
79 # Is it okay if this login base is the same as one already at this myplc site?
80 # Do we need uniqueness? Should use hrn_auth instead of just the leaf perhaps?
81 site['login_base'] = login_base
82 site['abbreviated_name'] = login_base
83 site['max_slivers'] = 1000
84 reg_objects['site'] = site
88 # get_expiration always returns a normalized datetime - no need to utcparse
89 extime = Credential(string=creds[0]).get_expiration()
90 # If the expiration time is > 60 days from now, set the expiration time to 60 days from now
91 if extime > datetime.datetime.utcnow() + datetime.timedelta(days=60):
92 extime = datetime.datetime.utcnow() + datetime.timedelta(days=60)
93 slice['expires'] = int(time.mktime(extime.timetuple()))
95 slice['name'] = hrn_to_pl_slicename(hrn)
97 slice['description'] = hrn
99 reg_objects['slice_record'] = slice
101 reg_objects['users'] = {}
104 hrn, _ = urn_to_hrn(user['urn'])
105 user['email'] = hrn_to_pl_slicename(hrn) + "@geni.net"
106 user['first_name'] = hrn
107 user['last_name'] = hrn
108 reg_objects['users'][user['email']] = user
112 def __get_hostnames(nodes):
115 hostnames.append(node.hostname)
118 def SliverStatus(api, slice_xrn, creds, call_id):
119 if Callids().already_handled(call_id): return {}
121 (hrn, type) = urn_to_hrn(slice_xrn)
122 # find out where this slice is currently running
123 slicename = hrn_to_pl_slicename(hrn)
125 slices = api.plshell.GetSlices(api.plauth, [slicename], ['slice_id', 'node_ids','person_ids','name','expires'])
127 raise Exception("Slice %s not found (used %s as slicename internally)" % (slice_xrn, slicename))
130 # report about the local nodes only
131 nodes = api.plshell.GetNodes(api.plauth, {'node_id':slice['node_ids'],'peer_id':None},
132 ['node_id', 'hostname', 'site_id', 'boot_state', 'last_contact'])
133 site_ids = [node['site_id'] for node in nodes]
134 sites = api.plshell.GetSites(api.plauth, site_ids, ['site_id', 'login_base'])
135 sites_dict = dict ( [ (site['site_id'],site['login_base'] ) for site in sites ] )
138 top_level_status = 'unknown'
140 top_level_status = 'ready'
141 slice_urn = Xrn(slice_xrn, 'slice').get_urn()
142 result['geni_urn'] = slice_urn
143 result['pl_login'] = slice['name']
144 result['pl_expires'] = datetime.datetime.fromtimestamp(slice['expires']).ctime()
149 res['pl_hostname'] = node['hostname']
150 res['pl_boot_state'] = node['boot_state']
151 res['pl_last_contact'] = node['last_contact']
152 if node['last_contact'] is not None:
153 res['pl_last_contact'] = datetime.datetime.fromtimestamp(node['last_contact']).ctime()
154 sliver_id = urn_to_sliver_id(slice_urn, slice['slice_id'], node['node_id'])
155 res['geni_urn'] = sliver_id
156 if node['boot_state'] == 'boot':
157 res['geni_status'] = 'ready'
159 res['geni_status'] = 'failed'
160 top_level_staus = 'failed'
162 res['geni_error'] = ''
164 resources.append(res)
166 result['geni_status'] = top_level_status
167 result['geni_resources'] = resources
170 def CreateSliver(api, slice_xrn, creds, rspec_string, users, call_id):
172 Create the sliver[s] (slice) at this aggregate.
173 Verify HRN and initialize the slice record in PLC if necessary.
175 if Callids().already_handled(call_id): return ""
177 aggregate = Aggregate(api)
179 (hrn, type) = urn_to_hrn(slice_xrn)
180 peer = slices.get_peer(hrn)
181 sfa_peer = slices.get_sfa_peer(hrn)
184 slice_record = users[0].get('slice_record', {})
187 rspec = RSpec(rspec_string)
188 requested_attributes = rspec.version.get_slice_attributes()
190 # ensure site record exists
191 site = slices.verify_site(hrn, slice_record, peer, sfa_peer)
192 # ensure slice record exists
193 slice = slices.verify_slice(hrn, slice_record, peer, sfa_peer)
194 # ensure person records exists
195 persons = slices.verify_persons(hrn, slice, users, peer, sfa_peer)
196 # ensure slice attributes exists
197 slices.verify_slice_attributes(slice, requested_attributes)
199 # add/remove slice from nodes
200 requested_slivers = [str(host) for host in rspec.version.get_nodes_with_slivers()]
201 slices.verify_slice_nodes(slice, requested_slivers, peer)
203 # hanlde MyPLC peer association.
204 # only used by plc and ple.
205 slices.handle_peer(site, slice, persons, peer)
207 return aggregate.get_rspec(slice_xrn=slice_xrn, version=rspec.version)
210 def RenewSliver(api, xrn, creds, expiration_time, call_id):
211 if Callids().already_handled(call_id): return True
212 (hrn, type) = urn_to_hrn(xrn)
213 slicename = hrn_to_pl_slicename(hrn)
214 slices = api.plshell.GetSlices(api.plauth, {'name': slicename}, ['slice_id'])
216 raise RecordNotFound(hrn)
218 requested_time = utcparse(expiration_time)
219 record = {'expires': int(time.mktime(requested_time.timetuple()))}
221 api.plshell.UpdateSlice(api.plauth, slice['slice_id'], record)
226 def start_slice(api, xrn, creds):
227 hrn, type = urn_to_hrn(xrn)
228 slicename = hrn_to_pl_slicename(hrn)
229 slices = api.plshell.GetSlices(api.plauth, {'name': slicename}, ['slice_id'])
231 raise RecordNotFound(hrn)
232 slice_id = slices[0]['slice_id']
233 slice_tags = api.plshell.GetSliceTags(api.plauth, {'slice_id': slice_id, 'tagname': 'enabled'}, ['slice_tag_id'])
234 # just remove the tag if it exists
236 api.plshell.DeleteSliceTag(api.plauth, slice_tags[0]['slice_tag_id'])
240 def stop_slice(api, xrn, creds):
241 hrn, type = urn_to_hrn(xrn)
242 slicename = hrn_to_pl_slicename(hrn)
243 slices = api.plshell.GetSlices(api.plauth, {'name': slicename}, ['slice_id'])
245 raise RecordNotFound(hrn)
246 slice_id = slices[0]['slice_id']
247 slice_tags = api.plshell.GetSliceTags(api.plauth, {'slice_id': slice_id, 'tagname': 'enabled'})
249 api.plshell.AddSliceTag(api.plauth, slice_id, 'enabled', '0')
250 elif slice_tags[0]['value'] != "0":
251 tag_id = attributes[0]['slice_tag_id']
252 api.plshell.UpdateSliceTag(api.plauth, tag_id, '0')
255 def reset_slice(api, xrn):
256 # XX not implemented at this interface
259 def DeleteSliver(api, xrn, creds, call_id):
260 if Callids().already_handled(call_id): return ""
261 (hrn, type) = urn_to_hrn(xrn)
262 slicename = hrn_to_pl_slicename(hrn)
263 slices = api.plshell.GetSlices(api.plauth, {'name': slicename})
268 # determine if this is a peer slice
269 peer = peers.get_peer(api, hrn)
272 api.plshell.UnBindObjectFromPeer(api.plauth, 'slice', slice['slice_id'], peer)
273 api.plshell.DeleteSliceFromNodes(api.plauth, slicename, slice['node_ids'])
276 api.plshell.BindObjectToPeer(api.plauth, 'slice', slice['slice_id'], peer, slice['peer_slice_id'])
279 # xxx Thierry : caching at the aggregate level sounds wrong...
282 def ListSlices(api, creds, call_id):
283 if Callids().already_handled(call_id): return []
284 # look in cache first
285 if caching and api.cache:
286 slices = api.cache.get('slices')
291 slices = api.plshell.GetSlices(api.plauth, {'peer_id': None}, ['name'])
292 slice_hrns = [slicename_to_hrn(api.hrn, slice['name']) for slice in slices]
293 slice_urns = [hrn_to_urn(slice_hrn, 'slice') for slice_hrn in slice_hrns]
296 if caching and api.cache:
297 api.cache.add('slices', slice_urns)
301 def ListResources(api, creds, options,call_id):
302 if Callids().already_handled(call_id): return ""
303 # get slice's hrn from options
304 xrn = options.get('geni_slice_urn', '')
305 (hrn, type) = urn_to_hrn(xrn)
307 version_manager = VersionManager()
308 # get the rspec's return format from options
309 rspec_version = version_manager.get_version(options.get('rspec_version'))
310 version_string = "rspec_%s" % (rspec_version.to_string())
312 #panos adding the info option to the caching key (can be improved)
313 if options.get('info'):
314 version_string = version_string + "_"+options.get('info', 'default')
316 # look in cache first
317 if caching and api.cache and not xrn:
318 rspec = api.cache.get(version_string)
320 api.logger.info("aggregate.ListResources: returning cached value for hrn %s"%hrn)
323 #aggregate = Aggregate(api)
324 #panos: passing user-defined options
325 #print "manager options = ",options
326 aggregate = Aggregate(api, options)
328 rspec = aggregate.get_rspec(slice_xrn=xrn, version=rspec_version)
331 if caching and api.cache and not xrn:
332 api.cache.add(version_string, rspec)
337 def get_ticket(api, xrn, creds, rspec, users):
339 reg_objects = __get_registry_objects(xrn, creds, users)
341 slice_hrn, type = urn_to_hrn(xrn)
343 peer = slices.get_peer(slice_hrn)
344 sfa_peer = slices.get_sfa_peer(slice_hrn)
346 # get the slice record
347 registry = api.registries[api.hrn]
348 credential = api.getCredential()
349 records = registry.Resolve(xrn, credential)
351 # similar to CreateSliver, we must verify that the required records exist
352 # at this aggregate before we can issue a ticket
353 site_id, remote_site_id = slices.verify_site(registry, credential, slice_hrn,
354 peer, sfa_peer, reg_objects)
355 slice = slices.verify_slice(registry, credential, slice_hrn, site_id,
356 remote_site_id, peer, sfa_peer, reg_objects)
358 # make sure we get a local slice record
360 for tmp_record in records:
361 if tmp_record['type'] == 'slice' and \
362 not tmp_record['peer_authority']:
363 record = SliceRecord(dict=tmp_record)
365 raise RecordNotFound(slice_hrn)
368 slivers = Slices(api).get_slivers(slice_hrn)
370 raise SliverDoesNotExist(slice_hrn)
375 'timestamp': int(time.time()),
376 'initscripts': initscripts,
381 object_gid = record.get_gid_object()
382 new_ticket = SfaTicket(subject = object_gid.get_subject())
383 new_ticket.set_gid_caller(api.auth.client_gid)
384 new_ticket.set_gid_object(object_gid)
385 new_ticket.set_issuer(key=api.key, subject=api.hrn)
386 new_ticket.set_pubkey(object_gid.get_pubkey())
387 new_ticket.set_attributes(data)
388 new_ticket.set_rspec(rspec)
389 #new_ticket.set_parent(api.auth.hierarchy.get_auth_ticket(auth_hrn))
393 return new_ticket.save_to_string(save_parents=True)
400 rspec = ListResources(api, "plc.princeton.sapan", None, 'pl_test_sapan')
401 #rspec = ListResources(api, "plc.princeton.coblitz", None, 'pl_test_coblitz')
402 #rspec = ListResources(api, "plc.pl.sirius", None, 'pl_test_sirius')
405 f = open(sys.argv[1])
408 CreateSliver(api, "plc.princeton.sapan", xml, 'CreateSliver_sapan')
410 if __name__ == "__main__":