import time from sfa.util.xrn import hrn_to_urn, urn_to_hrn from sfa.rspecs.rspec import RSpec from sfa.rspecs.elements.versions.slabv1Node import SlabPosition from sfa.rspecs.elements.location import Location from sfa.rspecs.elements.hardware_type import HardwareType #from sfa.rspecs.elements.login import Login #from sfa.rspecs.elements.services import Services from sfa.rspecs.elements.sliver import Sliver from sfa.rspecs.elements.lease import Lease from sfa.rspecs.elements.granularity import Granularity from sfa.rspecs.version_manager import VersionManager from sfa.rspecs.elements.versions.slabv1Node import SlabNode from sfa.util.sfalogging import logger from sfa.util.xrn import Xrn def slab_xrn_to_hostname(xrn): return Xrn.unescape(Xrn(xrn=xrn, type='node').get_leaf()) def slab_xrn_object(root_auth, hostname): """Attributes are urn and hrn. Get the hostname using slab_xrn_to_hostname on the urn. """ return Xrn('.'.join( [root_auth, Xrn.escape(hostname)]), type='node') class SlabAggregate: sites = {} nodes = {} api = None interfaces = {} links = {} node_tags = {} prepared = False user_options = {} def __init__(self, driver): self.driver = driver def get_slice_and_slivers(self, slice_xrn): """ Returns a dict of slivers keyed on the sliver's node_id """ slivers = {} sfa_slice = None if not slice_xrn: return (sfa_slice, slivers) slice_urn = hrn_to_urn(slice_xrn, 'slice') slice_hrn, _ = urn_to_hrn(slice_xrn) slice_name = slice_hrn slices = self.driver.GetSlices(slice_filter= str(slice_name), \ slice_filter_type = 'slice_hrn') logger.debug("Slabaggregate api \tget_slice_and_slivers slices %s self.driver.hrn %s" \ %(slices, self.driver.hrn)) if not slices: return (sfa_slice, slivers) #if isinstance(sfa_slice, list): #sfa_slice = slices[0] #else: #sfa_slice = slices # sort slivers by node id , if there is a job #and therfore, node allocated to this slice for sfa_slice in slices: try: for node in sfa_slice['node_ids']: sliver_xrn = Xrn(slice_urn, type='sliver', id=node) sliver_xrn.set_authority(self.driver.hrn) #node_id = self.driver.root_auth + '.' + node_id sliver = Sliver({'sliver_id':sliver_xrn.urn, 'name': sfa_slice['slice_hrn'], 'type': 'slab-node', 'tags': []}) slivers[node] = sliver except KeyError: logger.log_exc("SLABAGGREGATE \t \ get_slice_and_slivers KeyError ") #Add default sliver attribute : #connection information for senslab tmp = sfa_slice['slice_hrn'].split('.') ldap_username = tmp[1].split('_')[0] vmaddr = 'ssh ' + ldap_username + '@grenoble.senslab.info' slivers['default_sliver'] = {'vm': vmaddr , 'login': ldap_username} ## sort sliver attributes by node id ##tags = self.driver.GetSliceTags({'slice_tag_id': slice['slice_tag_ids']}) ##for tag in tags: ### most likely a default/global sliver attribute (node_id == None) ##if tag['node_id'] not in slivers: ##sliver = Sliver({'sliver_id': urn_to_sliver_id(slice_urn, slice['slice_id'], ""), ##'name': 'slab-vm', ##'tags': []}) ##slivers[tag['node_id']] = sliver ##slivers[tag['node_id']]['tags'].append(tag) logger.debug("SLABAGGREGATE api get_slice_and_slivers slivers %s "\ %(slivers)) return (slices, slivers) def get_nodes(self, slices=None, slivers=[], options={}): # NT: the semantic of this function is not clear to me : # if slice is not defined, then all the nodes should be returned # if slice is defined, we should return only the nodes that # are part of this slice # but what is the role of the slivers parameter ? # So i assume that slice['node_ids'] will be the same as slivers for us #filter_dict = {} #if slice_xrn: #if not slices or not slices['node_ids']: #return ([],[]) tags_filter = {} # get the granularity in second for the reservation system grain = self.driver.GetLeaseGranularity() # Commenting this part since all nodes should be returned, # even if a slice is provided #if slice : # if 'node_ids' in slice and slice['node_ids']: # #first case, a non empty slice was provided # filter['hostname'] = slice['node_ids'] # tags_filter=filter.copy() # nodes = self.driver.GetNodes(filter['hostname']) # else : # #second case, a slice was provided, but is empty # nodes={} #else : # #third case, no slice was provided # nodes = self.driver.GetNodes() nodes = self.driver.GetNodes() #geni_available = options.get('geni_available') #if geni_available: #filter['boot_state'] = 'boot' #filter.update({'peer_id': None}) #nodes = self.driver.GetNodes(filter['hostname']) #site_ids = [] #interface_ids = [] #tag_ids = [] nodes_dict = {} for node in nodes: nodes_dict[node['node_id']] = node # get sites #sites_dict = self.get_sites({'site_id': site_ids}) # get interfaces #interfaces = self.get_interfaces({'interface_id':interface_ids}) # get tags #node_tags = self.get_node_tags(tags_filter) #if slices, this means we got to list all the nodes given to this slice # Make a list of all the nodes in the slice before getting their attributes rspec_nodes = [] slice_nodes_list = [] logger.debug("SLABAGGREGATE api get_rspec slice_nodes_list %s "\ %(slices )) if slices: for one_slice in slices: slice_nodes_list = one_slice['node_ids'] #for node in one_slice['node_ids']: #slice_nodes_list.append(node) reserved_nodes = self.driver.GetNodesCurrentlyInUse() logger.debug("SLABAGGREGATE api get_rspec slice_nodes_list %s "\ %(slice_nodes_list)) for node in nodes: # skip whitelisted nodes #if node['slice_ids_whitelist']: #if not slice or slice['slice_id'] not in node['slice_ids_whitelist']: #continue #rspec_node = Node() logger.debug("SLABAGGREGATE api get_rspec node %s "\ %(node)) if slice_nodes_list == [] or node['hostname'] in slice_nodes_list: rspec_node = SlabNode() # xxx how to retrieve site['login_base'] #site_id=node['site_id'] #site=sites_dict[site_id] rspec_node['mobile'] = node['mobile'] rspec_node['archi'] = node['archi'] rspec_node['radio'] = node['radio'] slab_xrn = slab_xrn_object(self.driver.root_auth, node['hostname']) rspec_node['component_id'] = slab_xrn.urn rspec_node['component_name'] = node['hostname'] rspec_node['component_manager_id'] = \ hrn_to_urn(self.driver.root_auth, 'authority+sa') # Senslab's nodes are federated : there is only one authority # for all Senslab sites, registered in SFA. # Removing the part including the site in authority_id SA 27/07/12 rspec_node['authority_id'] = rspec_node['component_manager_id'] # do not include boot state ( element) in the manifest rspec rspec_node['boot_state'] = node['boot_state'] if node['hostname'] in reserved_nodes: rspec_node['boot_state'] = "Reserved" rspec_node['exclusive'] = 'true' rspec_node['hardware_types'] = [HardwareType({'name': 'slab-node'})] # only doing this because protogeni rspec needs # to advertise available initscripts #rspec_node['pl_initscripts'] = None # add site/interface info to nodes. # assumes that sites, interfaces and tags have already been prepared. #site = sites_dict[node['site_id']] location = Location({'country':'France'}) rspec_node['location'] = location position = SlabPosition() for field in position : try: position[field] = node[field] except KeyError, error : logger.log_exc("SLABAGGREGATE\t get_rspec position %s "%(error)) rspec_node['position'] = position #rspec_node['interfaces'] = [] #tags = [PLTag(node_tags[tag_id]) for tag_id in node['node_tag_ids']] # Granularity granularity = Granularity({'grain': grain}) rspec_node['granularity'] = granularity rspec_node['tags'] = [] if node['hostname'] in slivers: # add sliver info sliver = slivers[node['hostname']] rspec_node['sliver_id'] = sliver['sliver_id'] rspec_node['client_id'] = node['hostname'] rspec_node['slivers'] = [sliver] # slivers always provide the ssh service #login = Login({'authentication': 'ssh-keys', 'hostname': node['hostname'], 'port':'22', 'username': sliver['name']}) #service = Services({'login': login}) #rspec_node['services'] = [service] rspec_nodes.append(rspec_node) return (rspec_nodes) def get_leases(self, slice_record = None, options = {}): now = int(time.time()) lease_filter = {'clip': now } #self.driver.synchronize_oar_and_slice_table() #if slice_record: #lease_filter.update({'name': slice_record['name']}) return_fields = ['lease_id', 'hostname', 'site_id', \ 'name', 'start_time', 'duration'] #leases = self.driver.GetLeases(lease_filter) leases = self.driver.GetLeases() grain = self.driver.GetLeaseGranularity() site_ids = [] rspec_leases = [] for lease in leases: #as many leases as there are nodes in the job for node in lease['reserved_nodes']: rspec_lease = Lease() rspec_lease['lease_id'] = lease['lease_id'] #site = node['site_id'] slab_xrn = slab_xrn_object(self.driver.root_auth, node) rspec_lease['component_id'] = slab_xrn.urn #rspec_lease['component_id'] = hostname_to_urn(self.driver.hrn, \ #site, node['hostname']) rspec_lease['slice_id'] = lease['slice_id'] rspec_lease['start_time'] = lease['t_from'] rspec_lease['duration'] = (lease['t_until'] - lease['t_from']) \ / grain rspec_leases.append(rspec_lease) return rspec_leases #rspec_leases = [] #for lease in leases: #rspec_lease = Lease() ## xxx how to retrieve site['login_base'] #rspec_lease['lease_id'] = lease['lease_id'] #rspec_lease['component_id'] = hostname_to_urn(self.driver.hrn, \ #site['login_base'], lease['hostname']) #slice_hrn = slicename_to_hrn(self.driver.hrn, lease['name']) #slice_urn = hrn_to_urn(slice_hrn, 'slice') #rspec_lease['slice_id'] = slice_urn #rspec_lease['t_from'] = lease['t_from'] #rspec_lease['t_until'] = lease['t_until'] #rspec_leases.append(rspec_lease) #return rspec_leases #from plc/aggregate.py def get_rspec(self, slice_xrn=None, version = None, options={}): rspec = None version_manager = VersionManager() version = version_manager.get_version(version) logger.debug("SlabAggregate \t get_rspec ***version %s \ version.type %s version.version %s options %s \r\n" \ %(version,version.type,version.version,options)) if not slice_xrn: rspec_version = version_manager._get_version(version.type, \ version.version, 'ad') else: rspec_version = version_manager._get_version(version.type, \ version.version, 'manifest') slices, slivers = self.get_slice_and_slivers(slice_xrn) #at this point sliver may be empty if no senslab job #is running for this user/slice. rspec = RSpec(version=rspec_version, user_options=options) #if slice and 'expires' in slice: #rspec.xml.set('expires', datetime_to_epoch(slice['expires'])) # add sliver defaults #nodes, links = self.get_nodes(slice, slivers) logger.debug("\r\n \r\n SlabAggregate \tget_rspec ******* slice_xrn %s \r\n \r\n"\ %(slice_xrn)) try: lease_option = options['list_leases'] except KeyError: #If no options are specified, at least print the resources if slice_xrn : lease_option = 'all' pass if lease_option in ['all', 'resources']: #if not options.get('list_leases') or options.get('list_leases') and options['list_leases'] != 'leases': nodes = self.get_nodes(slices, slivers) logger.debug("SlabAggregate \tget_rspec **** \ nodes %s \r\n" %(nodes)) #In case creating a job, slice_xrn is not set to None rspec.version.add_nodes(nodes) if slice_xrn : #Get user associated with this slice #user = dbsession.query(RegRecord).filter_by(record_id = \ #slices['record_id_user']).first() #ldap_username = (user.hrn).split('.')[1] #for one_slice in slices : ldap_username = slices[0]['slice_hrn'] tmp = ldap_username.split('.') ldap_username = tmp[1].split('_')[0] if version.type == "Slab": rspec.version.add_connection_information(ldap_username) default_sliver = slivers.get('default_sliver', []) if default_sliver: #default_sliver_attribs = default_sliver.get('tags', []) logger.debug("SlabAggregate \tget_rspec **** \ default_sliver%s \r\n" %(default_sliver)) for attrib in default_sliver: rspec.version.add_default_sliver_attribute(attrib, \ default_sliver[attrib]) if lease_option in ['all','leases']: #if options.get('list_leases') or options.get('list_leases') and options['list_leases'] != 'resources': leases = self.get_leases(slices) rspec.version.add_leases(leases) logger.debug("SlabAggregate \tget_rspec ******* rspec_toxml %s \r\n"\ %(rspec.toxml())) return rspec.toxml()