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
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.rspec_version import RSpecVersion
28 from sfa.rspecs.sfa_rspec import sfa_rspec_version
29 from sfa.rspecs.pg_rspec import pg_rspec_ad_version, pg_rspec_request_version
30 from sfa.rspecs.rspec_parser import parse_rspec
31 from sfa.util.sfatime import utcparse
32 from sfa.util.callids import Callids
36 request_rspec_versions = [dict(pg_rspec_request_version), dict(sfa_rspec_version)]
37 ad_rspec_versions = [dict(pg_rspec_ad_version), dict(sfa_rspec_version)]
38 version_more = {'interface':'aggregate',
41 'request_rspec_versions': request_rspec_versions,
42 'ad_rspec_versions': ad_rspec_versions,
43 'default_ad_rspec': dict(sfa_rspec_version)
45 return version_core(version_more)
47 def __get_registry_objects(slice_xrn, creds, users):
51 hrn, type = urn_to_hrn(slice_xrn)
53 hrn_auth = get_authority(hrn)
55 # Build up objects that an SFA registry would return if SFA
56 # could contact the slice's registry directly
60 # dont allow special characters in the site login base
61 #only_alphanumeric = re.compile('[^a-zA-Z0-9]+')
62 #login_base = only_alphanumeric.sub('', hrn_auth[:20]).lower()
63 slicename = hrn_to_pl_slicename(hrn)
64 login_base = slicename.split('_')[0]
68 site['name'] = 'geni.%s' % login_base
69 site['enabled'] = True
70 site['max_slices'] = 100
73 # Is it okay if this login base is the same as one already at this myplc site?
74 # Do we need uniqueness? Should use hrn_auth instead of just the leaf perhaps?
75 site['login_base'] = login_base
76 site['abbreviated_name'] = login_base
77 site['max_slivers'] = 1000
78 reg_objects['site'] = site
82 extime = Credential(string=creds[0]).get_expiration()
83 # If the expiration time is > 60 days from now, set the expiration time to 60 days from now
84 if extime > datetime.datetime.utcnow() + datetime.timedelta(days=60):
85 extime = datetime.datetime.utcnow() + datetime.timedelta(days=60)
86 slice['expires'] = int(time.mktime(extime.timetuple()))
88 slice['name'] = hrn_to_pl_slicename(hrn)
90 slice['description'] = hrn
92 reg_objects['slice_record'] = slice
94 reg_objects['users'] = {}
97 hrn, _ = urn_to_hrn(user['urn'])
98 user['email'] = hrn_to_pl_slicename(hrn) + "@geni.net"
99 user['first_name'] = hrn
100 user['last_name'] = hrn
101 reg_objects['users'][user['email']] = user
105 def __get_hostnames(nodes):
108 hostnames.append(node.hostname)
111 def SliverStatus(api, slice_xrn, creds, call_id):
112 if Callids().already_handled(call_id): return {}
114 (hrn, type) = urn_to_hrn(slice_xrn)
115 # find out where this slice is currently running
117 slicename = hrn_to_pl_slicename(hrn)
119 slices = api.plshell.GetSlices(api.plauth, [slicename], ['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.plshell.GetNodes(api.plauth, {'node_id':slice['node_ids'],'peer_id':None},
126 ['hostname', 'site_id', 'boot_state', 'last_contact'])
127 site_ids = [node['site_id'] for node in nodes]
128 sites = api.plshell.GetSites(api.plauth, site_ids, ['site_id', 'login_base'])
129 sites_dict = dict ( [ (site['site_id'],site['login_base'] ) for site in sites ] )
132 top_level_status = 'unknown'
134 top_level_status = 'ready'
135 result['geni_urn'] = Xrn(slice_xrn, 'slice').get_urn()
136 result['pl_login'] = slice['name']
137 result['pl_expires'] = datetime.datetime.fromtimestamp(slice['expires']).ctime()
142 res['pl_hostname'] = node['hostname']
143 res['pl_boot_state'] = node['boot_state']
144 res['pl_last_contact'] = node['last_contact']
145 if node['last_contact'] is not None:
146 res['pl_last_contact'] = datetime.datetime.fromtimestamp(node['last_contact']).ctime()
147 res['geni_urn'] = hostname_to_urn(api.hrn, sites_dict[node['site_id']], node['hostname'])
148 if node['boot_state'] == 'boot':
149 res['geni_status'] = 'ready'
151 res['geni_status'] = 'failed'
152 top_level_staus = 'failed'
154 res['geni_error'] = ''
156 resources.append(res)
158 result['geni_status'] = top_level_status
159 result['geni_resources'] = resources
161 #api.logger.info(result)
165 def CreateSliver(api, slice_xrn, creds, rspec_string, users, call_id):
167 Create the sliver[s] (slice) at this aggregate.
168 Verify HRN and initialize the slice record in PLC if necessary.
170 if Callids().already_handled(call_id): return ""
172 reg_objects = __get_registry_objects(slice_xrn, creds, users)
174 (hrn, type) = urn_to_hrn(slice_xrn)
176 aggregate = Aggregate(api)
178 peer = slices.get_peer(hrn)
179 sfa_peer = slices.get_sfa_peer(hrn)
180 registry = api.registries[api.hrn]
181 credential = api.getCredential()
182 (site_id, remote_site_id) = slices.verify_site(registry, credential, hrn,
183 peer, sfa_peer, reg_objects)
185 slice = slices.verify_slice(registry, credential, hrn, site_id,
186 remote_site_id, peer, sfa_peer, reg_objects)
188 nodes = api.plshell.GetNodes(api.plauth, slice['node_ids'], ['hostname'])
189 current_slivers = [node['hostname'] for node in nodes]
190 rspec = parse_rspec(rspec_string)
191 requested_slivers = [str(host) for host in rspec.get_nodes_with_slivers()]
192 # remove nodes not in rspec
193 deleted_nodes = list(set(current_slivers).difference(requested_slivers))
195 # add nodes from rspec
196 added_nodes = list(set(requested_slivers).difference(current_slivers))
198 # get sliver attributes
199 slice_attributes = rspec.get_slice_attributes()
203 api.plshell.UnBindObjectFromPeer(api.plauth, 'slice', slice['slice_id'], peer)
205 api.plshell.AddSliceToNodes(api.plauth, slice['name'], added_nodes)
206 api.plshell.DeleteSliceFromNodes(api.plauth, slice['name'], deleted_nodes)
207 for attribute in slice_attributes:
208 name, value, node_id = attribute['tagname'], attribute['value'], attribute.get('node_id', None)
209 api.plshell.AddSliceTag(api.plauth, slice['name'], name, value, node_id)
213 api.plshell.BindObjectToPeer(api.plauth, 'slice', slice.id, peer,
216 return aggregate.get_rspec(slice_xrn=slice_xrn, version=rspec.version)
219 def RenewSliver(api, xrn, creds, expiration_time, call_id):
220 if Callids().already_handled(call_id): return True
221 (hrn, type) = urn_to_hrn(xrn)
222 slicename = hrn_to_pl_slicename(hrn)
223 slices = api.plshell.GetSlices(api.plauth, {'name': slicename}, ['slice_id'])
225 raise RecordNotFound(hrn)
227 requested_time = utcparse(expiration_time)
228 record = {'expires': int(time.mktime(requested_time.timetuple()))}
230 api.plshell.UpdateSlice(api.plauth, slice['slice_id'], record)
235 def start_slice(api, xrn, creds):
236 hrn, type = urn_to_hrn(xrn)
237 slicename = hrn_to_pl_slicename(hrn)
238 slices = api.plshell.GetSlices(api.plauth, {'name': slicename}, ['slice_id'])
240 raise RecordNotFound(hrn)
241 slice_id = slices[0]['slice_id']
242 slice_tags = api.plshell.GetSliceTags(api.plauth, {'slice_id': slice_id, 'tagname': 'enabled'}, ['slice_tag_id'])
243 # just remove the tag if it exists
245 api.plshell.DeleteSliceTag(api.plauth, slice_tags[0]['slice_tag_id'])
249 def stop_slice(api, xrn, creds):
250 hrn, type = urn_to_hrn(xrn)
251 slicename = hrn_to_pl_slicename(hrn)
252 slices = api.plshell.GetSlices(api.plauth, {'name': slicename}, ['slice_id'])
254 raise RecordNotFound(hrn)
255 slice_id = slices[0]['slice_id']
256 slice_tags = api.plshell.GetSliceTags(api.plauth, {'slice_id': slice_id, 'tagname': 'enabled'})
258 api.plshell.AddSliceTag(api.plauth, slice_id, 'enabled', '0')
259 elif slice_tags[0]['value'] != "0":
260 tag_id = attributes[0]['slice_tag_id']
261 api.plshell.UpdateSliceTag(api.plauth, tag_id, '0')
264 def reset_slice(api, xrn):
265 # XX not implemented at this interface
268 def DeleteSliver(api, xrn, creds, call_id):
269 if Callids().already_handled(call_id): return ""
270 (hrn, type) = urn_to_hrn(xrn)
271 slicename = hrn_to_pl_slicename(hrn)
272 slices = api.plshell.GetSlices(api.plauth, {'name': slicename})
277 # determine if this is a peer slice
278 peer = peers.get_peer(api, hrn)
281 api.plshell.UnBindObjectFromPeer(api.plauth, 'slice', slice['slice_id'], peer)
282 api.plshell.DeleteSliceFromNodes(api.plauth, slicename, slice['node_ids'])
285 api.plshell.BindObjectToPeer(api.plauth, 'slice', slice['slice_id'], peer, slice['peer_slice_id'])
288 # xxx Thierry : caching at the aggregate level sounds wrong...
291 def ListSlices(api, creds, call_id):
292 if Callids().already_handled(call_id): return []
293 # look in cache first
294 if caching and api.cache:
295 slices = api.cache.get('slices')
300 slices = api.plshell.GetSlices(api.plauth, {'peer_id': None}, ['name'])
301 slice_hrns = [slicename_to_hrn(api.hrn, slice['name']) for slice in slices]
302 slice_urns = [hrn_to_urn(slice_hrn, 'slice') for slice_hrn in slice_hrns]
305 if caching and api.cache:
306 api.cache.add('slices', slice_urns)
310 def ListResources(api, creds, options,call_id):
311 if Callids().already_handled(call_id): return ""
312 # get slice's hrn from options
313 xrn = options.get('geni_slice_urn', '')
314 (hrn, type) = urn_to_hrn(xrn)
316 # get the rspec's return format from options
317 rspec_version = RSpecVersion(options.get('rspec_version'))
318 version_string = "rspec_%s" % (rspec_version.get_version_name())
320 #panos adding the info option to the caching key (can be improved)
321 if options.get('info'):
322 version_string = version_string + "_"+options.get('info', 'default')
324 # look in cache first
325 if caching and api.cache and not xrn:
326 rspec = api.cache.get(version_string)
328 api.logger.info("aggregate.ListResources: returning cached value for hrn %s"%hrn)
331 #aggregate = Aggregate(api)
332 #panos: passing user-defined options
333 #print "manager options = ",options
334 aggregate = Aggregate(api, options)
336 rspec = aggregate.get_rspec(slice_xrn=xrn, version=rspec_version)
339 if caching and api.cache and not xrn:
340 api.cache.add(version_string, rspec)
345 def get_ticket(api, xrn, creds, rspec, users):
347 reg_objects = __get_registry_objects(xrn, creds, users)
349 slice_hrn, type = urn_to_hrn(xrn)
351 peer = slices.get_peer(slice_hrn)
352 sfa_peer = slices.get_sfa_peer(slice_hrn)
354 # get the slice record
355 registry = api.registries[api.hrn]
356 credential = api.getCredential()
357 records = registry.Resolve(xrn, credential)
359 # similar to CreateSliver, we must verify that the required records exist
360 # at this aggregate before we can issue a ticket
361 site_id, remote_site_id = slices.verify_site(registry, credential, slice_hrn,
362 peer, sfa_peer, reg_objects)
363 slice = slices.verify_slice(registry, credential, slice_hrn, site_id,
364 remote_site_id, peer, sfa_peer, reg_objects)
366 # make sure we get a local slice record
368 for tmp_record in records:
369 if tmp_record['type'] == 'slice' and \
370 not tmp_record['peer_authority']:
371 record = SliceRecord(dict=tmp_record)
373 raise RecordNotFound(slice_hrn)
376 slivers = Slices(api).get_slivers(slice_hrn)
378 raise SliverDoesNotExist(slice_hrn)
383 'timestamp': int(time.time()),
384 'initscripts': initscripts,
389 object_gid = record.get_gid_object()
390 new_ticket = SfaTicket(subject = object_gid.get_subject())
391 new_ticket.set_gid_caller(api.auth.client_gid)
392 new_ticket.set_gid_object(object_gid)
393 new_ticket.set_issuer(key=api.key, subject=api.hrn)
394 new_ticket.set_pubkey(object_gid.get_pubkey())
395 new_ticket.set_attributes(data)
396 new_ticket.set_rspec(rspec)
397 #new_ticket.set_parent(api.auth.hierarchy.get_auth_ticket(auth_hrn))
401 return new_ticket.save_to_string(save_parents=True)
408 rspec = ListResources(api, "plc.princeton.sapan", None, 'pl_test_sapan')
409 #rspec = ListResources(api, "plc.princeton.coblitz", None, 'pl_test_coblitz')
410 #rspec = ListResources(api, "plc.pl.sirius", None, 'pl_test_sirius')
413 f = open(sys.argv[1])
416 CreateSliver(api, "plc.princeton.sapan", xml, 'CreateSliver_sapan')
418 if __name__ == "__main__":