4 from sfa.util.xrn import hrn_to_urn, urn_to_hrn
6 from sfa.rspecs.rspec import RSpec
7 from sfa.rspecs.elements.versions.slabv1Node import SlabPosition
8 from sfa.rspecs.elements.location import Location
9 from sfa.rspecs.elements.hardware_type import HardwareType
10 #from sfa.rspecs.elements.login import Login
11 #from sfa.rspecs.elements.services import Services
12 from sfa.rspecs.elements.sliver import Sliver
13 from sfa.rspecs.elements.lease import Lease
14 from sfa.rspecs.elements.granularity import Granularity
15 from sfa.rspecs.version_manager import VersionManager
18 from sfa.rspecs.elements.versions.slabv1Node import SlabNode
19 from sfa.util.sfalogging import logger
21 from sfa.util.xrn import Xrn
23 def slab_xrn_to_hostname(xrn):
24 return Xrn.unescape(Xrn(xrn=xrn, type='node').get_leaf())
26 def slab_xrn_object(root_auth, hostname):
27 """Attributes are urn and hrn.
28 Get the hostname using slab_xrn_to_hostname on the urn.
31 return Xrn('.'.join( [root_auth, Xrn.escape(hostname)]), type='node')
46 def __init__(self, driver):
49 def get_slice_and_slivers(self, slice_xrn):
51 Returns a dict of slivers keyed on the sliver's node_id
56 return (sfa_slice, slivers)
57 slice_urn = hrn_to_urn(slice_xrn, 'slice')
58 slice_hrn, _ = urn_to_hrn(slice_xrn)
59 slice_name = slice_hrn
61 slices = self.driver.GetSlices(slice_filter= str(slice_name), \
62 slice_filter_type = 'slice_hrn')
63 logger.debug("Slabaggregate api \tget_slice_and_slivers slices %s " \
66 return (sfa_slice, slivers)
67 #if isinstance(sfa_slice, list):
68 #sfa_slice = slices[0]
72 # sort slivers by node id , if there is a job
73 #and therfore, node allocated to this slice
74 for sfa_slice in slices:
77 for node in sfa_slice['node_ids']:
78 #node_id = self.driver.root_auth + '.' + node_id
79 sliver = Sliver({'sliver_id': Xrn(slice_urn, type='slice', id=node['hostname'], authority=self.driver.hrn).urn,
80 'name': sfa_slice['slice_hrn'],
84 slivers[node['hostname']] = sliver
86 logger.log_exc("SLABAGGREGATE \t \
87 get_slice_and_slivers KeyError ")
89 #Add default sliver attribute :
90 #connection information for senslab
91 tmp = sfa_slice['slice_hrn'].split('.')
92 ldap_username = tmp[1].split('_')[0]
93 vmaddr = 'ssh ' + ldap_username + '@grenoble.senslab.info'
94 slivers['default_sliver'] = {'vm': vmaddr , 'login': ldap_username}
95 ## sort sliver attributes by node id
96 ##tags = self.driver.GetSliceTags({'slice_tag_id': slice['slice_tag_ids']})
98 ### most likely a default/global sliver attribute (node_id == None)
99 ##if tag['node_id'] not in slivers:
100 ##sliver = Sliver({'sliver_id': urn_to_sliver_id(slice_urn, slice['slice_id'], ""),
103 ##slivers[tag['node_id']] = sliver
104 ##slivers[tag['node_id']]['tags'].append(tag)
105 logger.debug("SLABAGGREGATE api get_slice_and_slivers slivers %s "\
107 return (slices, slivers)
111 def get_nodes(self, slices=None, slivers=[], options={}):
112 # NT: the semantic of this function is not clear to me :
113 # if slice is not defined, then all the nodes should be returned
114 # if slice is defined, we should return only the nodes that
115 # are part of this slice
116 # but what is the role of the slivers parameter ?
117 # So i assume that slice['node_ids'] will be the same as slivers for us
120 #if not slices or not slices['node_ids']:
124 # get the granularity in second for the reservation system
125 grain = self.driver.GetLeaseGranularity()
127 # Commenting this part since all nodes should be returned,
128 # even if a slice is provided
130 # if 'node_ids' in slice and slice['node_ids']:
131 # #first case, a non empty slice was provided
132 # filter['hostname'] = slice['node_ids']
133 # tags_filter=filter.copy()
134 # nodes = self.driver.GetNodes(filter['hostname'])
136 # #second case, a slice was provided, but is empty
139 # #third case, no slice was provided
140 # nodes = self.driver.GetNodes()
141 nodes = self.driver.GetNodes()
142 #geni_available = options.get('geni_available')
144 #filter['boot_state'] = 'boot'
146 #filter.update({'peer_id': None})
147 #nodes = self.driver.GetNodes(filter['hostname'])
155 nodes_dict[node['node_id']] = node
158 #sites_dict = self.get_sites({'site_id': site_ids})
160 #interfaces = self.get_interfaces({'interface_id':interface_ids})
162 #node_tags = self.get_node_tags(tags_filter)
164 #if slices, this means we got to list all the nodes given to this slice
165 # Make a list of all the nodes in the slice before getting their attributes
167 slice_nodes_list = []
169 for one_slice in slices:
170 for node in one_slice['node_ids']:
171 slice_nodes_list.append(node['hostname'])
173 reserved_nodes = self.driver.GetNodesCurrentlyInUse()
174 logger.debug("SLABAGGREGATE api get_rspec slice_nodes_list %s "\
177 # skip whitelisted nodes
178 #if node['slice_ids_whitelist']:
179 #if not slice or slice['slice_id'] not in node['slice_ids_whitelist']:
182 logger.debug("SLABAGGREGATE api get_rspec node %s "\
184 if slice_nodes_list == [] or node['hostname'] in slice_nodes_list:
186 rspec_node = SlabNode()
187 # xxx how to retrieve site['login_base']
188 #site_id=node['site_id']
189 #site=sites_dict[site_id]
190 rspec_node['mobile'] = node['mobile']
191 rspec_node['archi'] = node['archi']
192 rspec_node['radio'] = node['radio']
194 slab_xrn = slab_xrn_object(self.driver.root_auth, node['hostname'])
195 rspec_node['component_id'] = slab_xrn.urn
196 rspec_node['component_name'] = node['hostname']
197 rspec_node['component_manager_id'] = \
198 hrn_to_urn(self.driver.root_auth, 'authority+sa')
200 # Senslab's nodes are federated : there is only one authority
201 # for all Senslab sites, registered in SFA.
202 # Removing the part including the site in authority_id SA 27/07/12
203 rspec_node['authority_id'] = rspec_node['component_manager_id']
205 # do not include boot state (<available> element) in the manifest rspec
208 rspec_node['boot_state'] = node['boot_state']
209 if node['hostname'] in reserved_nodes:
210 rspec_node['boot_state'] = "Reserved"
211 rspec_node['exclusive'] = 'True'
212 rspec_node['hardware_types'] = [HardwareType({'name': 'slab-node'})]
214 # only doing this because protogeni rspec needs
215 # to advertise available initscripts
216 #rspec_node['pl_initscripts'] = None
217 # add site/interface info to nodes.
218 # assumes that sites, interfaces and tags have already been prepared.
219 #site = sites_dict[node['site_id']]
220 location = Location({'country':'France'})
221 rspec_node['location'] = location
224 position = SlabPosition()
225 for field in position :
227 position[field] = node[field]
228 except KeyError, error :
229 logger.log_exc("SLABAGGREGATE\t get_rspec position %s "%(error))
231 rspec_node['position'] = position
232 #rspec_node['interfaces'] = []
234 #tags = [PLTag(node_tags[tag_id]) for tag_id in node['node_tag_ids']]
236 granularity = Granularity({'grain': grain})
237 rspec_node['granularity'] = granularity
238 rspec_node['tags'] = []
239 if node['hostname'] in slivers:
241 sliver = slivers[node['hostname']]
242 rspec_node['sliver_id'] = sliver['sliver_id']
243 rspec_node['client_id'] = node['hostname']
244 rspec_node['slivers'] = [sliver]
246 # slivers always provide the ssh service
247 #login = Login({'authentication': 'ssh-keys', 'hostname': node['hostname'], 'port':'22', 'username': sliver['name']})
248 #service = Services({'login': login})
249 #rspec_node['services'] = [service]
250 rspec_nodes.append(rspec_node)
254 def get_leases(self, slice_record = None, options = {}):
256 now = int(time.time())
257 lease_filter = {'clip': now }
259 #self.driver.synchronize_oar_and_slice_table()
261 #lease_filter.update({'name': slice_record['name']})
262 return_fields = ['lease_id', 'hostname', 'site_id', \
263 'name', 'start_time', 'duration']
264 #leases = self.driver.GetLeases(lease_filter)
265 leases = self.driver.GetLeases()
266 grain = self.driver.GetLeaseGranularity()
270 #as many leases as there are nodes in the job
271 for node in lease['reserved_nodes']:
272 rspec_lease = Lease()
273 rspec_lease['lease_id'] = lease['lease_id']
274 site = node['site_id']
275 slab_xrn = slab_xrn_object(self.driver.root_auth, node['hostname'])
276 rspec_lease['component_id'] = slab_xrn.urn
277 #rspec_lease['component_id'] = hostname_to_urn(self.driver.hrn, \
278 #site, node['hostname'])
279 rspec_lease['slice_id'] = lease['slice_id']
280 rspec_lease['start_time'] = lease['t_from']
281 rspec_lease['duration'] = (lease['t_until'] - lease['t_from']) \
283 rspec_leases.append(rspec_lease)
288 #for lease in leases:
290 #rspec_lease = Lease()
292 ## xxx how to retrieve site['login_base']
294 #rspec_lease['lease_id'] = lease['lease_id']
295 #rspec_lease['component_id'] = hostname_to_urn(self.driver.hrn, \
296 #site['login_base'], lease['hostname'])
297 #slice_hrn = slicename_to_hrn(self.driver.hrn, lease['name'])
298 #slice_urn = hrn_to_urn(slice_hrn, 'slice')
299 #rspec_lease['slice_id'] = slice_urn
300 #rspec_lease['t_from'] = lease['t_from']
301 #rspec_lease['t_until'] = lease['t_until']
302 #rspec_leases.append(rspec_lease)
304 #from plc/aggregate.py
305 def get_rspec(self, slice_xrn=None, version = None, options={}):
308 version_manager = VersionManager()
309 version = version_manager.get_version(version)
310 logger.debug("SlabAggregate \t get_rspec ***version %s \
311 version.type %s version.version %s options %s \r\n" \
312 %(version,version.type,version.version,options))
315 rspec_version = version_manager._get_version(version.type, \
316 version.version, 'ad')
319 rspec_version = version_manager._get_version(version.type, \
320 version.version, 'manifest')
322 slices, slivers = self.get_slice_and_slivers(slice_xrn)
323 #at this point sliver may be empty if no senslab job
324 #is running for this user/slice.
325 rspec = RSpec(version=rspec_version, user_options=options)
328 #if slice and 'expires' in slice:
329 #rspec.xml.set('expires', datetime_to_epoch(slice['expires']))
330 # add sliver defaults
331 #nodes, links = self.get_nodes(slice, slivers)
332 logger.debug("\r\n \r\n SlabAggregate \tget_rspec ******* slice_xrn %s \r\n \r\n"\
336 lease_option = options['list_leases']
338 #If no options are specified, at least print the resources
343 if lease_option in ['all', 'resources']:
344 #if not options.get('list_leases') or options.get('list_leases') and options['list_leases'] != 'leases':
345 nodes = self.get_nodes(slices, slivers)
346 logger.debug("SlabAggregate \tget_rspec **** \
347 nodes %s \r\n" %(nodes))
348 #In case creating a job, slice_xrn is not set to None
349 rspec.version.add_nodes(nodes)
351 #Get user associated with this slice
352 #user = dbsession.query(RegRecord).filter_by(record_id = \
353 #slices['record_id_user']).first()
355 #ldap_username = (user.hrn).split('.')[1]
358 #for one_slice in slices :
359 ldap_username = slices[0]['slice_hrn']
360 tmp = ldap_username.split('.')
361 ldap_username = tmp[1].split('_')[0]
363 if version.type == "Slab":
364 rspec.version.add_connection_information(ldap_username)
366 default_sliver = slivers.get('default_sliver', [])
368 #default_sliver_attribs = default_sliver.get('tags', [])
369 logger.debug("SlabAggregate \tget_rspec **** \
370 default_sliver%s \r\n" %(default_sliver))
371 for attrib in default_sliver:
372 rspec.version.add_default_sliver_attribute(attrib, \
373 default_sliver[attrib])
374 if lease_option in ['all','leases']:
375 #if options.get('list_leases') or options.get('list_leases') and options['list_leases'] != 'resources':
376 leases = self.get_leases(slices)
377 rspec.version.add_leases(leases)
379 logger.debug("SlabAggregate \tget_rspec ******* rspec_toxml %s \r\n"\