X-Git-Url: http://git.onelab.eu/?p=sfa.git;a=blobdiff_plain;f=sfa%2Fplc%2Fplslices.py;fp=sfa%2Fplc%2Fslices.py;h=ae9a07966aa1cb6c9482f6401666ae30d70acb25;hp=dc3179356c9488ccb939ec30504debdbecff25d5;hb=02a4a59a4a49183ec8c631cc03243b97f4602d50;hpb=03dc21a0ac95b4fbe8c950c8dc052955d281cc44 diff --git a/sfa/plc/slices.py b/sfa/plc/plslices.py similarity index 61% rename from sfa/plc/slices.py rename to sfa/plc/plslices.py index dc317935..ae9a0796 100644 --- a/sfa/plc/slices.py +++ b/sfa/plc/plslices.py @@ -1,28 +1,25 @@ from types import StringTypes from collections import defaultdict import sys -from sfa.util.xrn import get_leaf, get_authority, urn_to_hrn -from sfa.util.plxrn import hrn_to_pl_slicename -from sfa.util.policy import Policy + +from sfa.util.sfalogging import logger +from sfa.util.xrn import Xrn, get_leaf, get_authority, urn_to_hrn +#from sfa.util.policy import Policy +from sfa.util.xrn import Xrn + from sfa.rspecs.rspec import RSpec + from sfa.plc.vlink import VLink -from sfa.util.xrn import Xrn +from sfa.util.plxrn import hrn_to_pl_slicename MAXINT = 2L**31-1 -class Slices: +class PlSlices: rspec_to_slice_tag = {'max_rate':'net_max_rate'} - def __init__(self, api, ttl = .5, origin_hrn=None): - self.api = api - #filepath = path + os.sep + filename - self.policy = Policy(self.api) - self.origin_hrn = origin_hrn - self.registry = api.registries[api.hrn] - self.credential = api.getCredential() - self.nodes = [] - self.persons = [] + def __init__(self, driver): + self.driver = driver def get_slivers(self, xrn, node=None): hrn, type = urn_to_hrn(xrn) @@ -30,11 +27,11 @@ class Slices: slice_name = hrn_to_pl_slicename(hrn) # XX Should we just call PLCAPI.GetSliceTicket(slice_name) instead # of doing all of this? - #return self.api.driver.GetSliceTicket(self.auth, slice_name) + #return self.driver.GetSliceTicket(self.auth, slice_name) # from PLCAPI.GetSlivers.get_slivers() slice_fields = ['slice_id', 'name', 'instantiation', 'expires', 'person_ids', 'slice_tag_ids'] - slices = self.api.driver.GetSlices(slice_name, slice_fields) + slices = self.driver.GetSlices(slice_name, slice_fields) # Build up list of users and slice attributes person_ids = set() all_slice_tag_ids = set() @@ -44,7 +41,7 @@ class Slices: person_ids = list(person_ids) all_slice_tag_ids = list(all_slice_tag_ids) # Get user information - all_persons_list = self.api.driver.GetPersons({'person_id':person_ids,'enabled':True}, ['person_id', 'enabled', 'key_ids']) + all_persons_list = self.driver.GetPersons({'person_id':person_ids,'enabled':True}, ['person_id', 'enabled', 'key_ids']) all_persons = {} for person in all_persons_list: all_persons[person['person_id']] = person @@ -55,12 +52,12 @@ class Slices: key_ids.update(person['key_ids']) key_ids = list(key_ids) # Get user account keys - all_keys_list = self.api.driver.GetKeys(key_ids, ['key_id', 'key', 'key_type']) + all_keys_list = self.driver.GetKeys(key_ids, ['key_id', 'key', 'key_type']) all_keys = {} for key in all_keys_list: all_keys[key['key_id']] = key # Get slice attributes - all_slice_tags_list = self.api.driver.GetSliceTags(all_slice_tag_ids) + all_slice_tags_list = self.driver.GetSliceTags(all_slice_tag_ids) all_slice_tags = {} for slice_tag in all_slice_tags_list: all_slice_tags[slice_tag['slice_tag_id']] = slice_tag @@ -135,19 +132,19 @@ class Slices: # slice belongs to out local plc or a myplc peer. We will assume it # is a local site, unless we find out otherwise peer = None - print>>sys.stderr, " \r\n \r\n \t slices.py get_peer slice_authority " + print>>sys.stderr, " \r\n \r\n \tplslices.py get_peer slice_authority " # get this slice's authority (site) slice_authority = get_authority(hrn) # get this site's authority (sfa root authority or sub authority) site_authority = get_authority(slice_authority).lower() - print>>sys.stderr, " \r\n \r\n \t slices.py get_peer slice_authority %s site_authority %s" %(slice_authority,site_authority) + print>>sys.stderr, " \r\n \r\n \tplslices.py get_peer slice_authority %s site_authority %s" %(slice_authority,site_authority) # check if we are already peered with this site_authority, if so - #peers = self.api.driver.GetPeers({}, ['peer_id', 'peername', 'shortname', 'hrn_root']) - #for peer_record in peers: - #names = [name.lower() for name in peer_record.values() if isinstance(name, StringTypes)] - #if site_authority in names: - #peer = peer_record + peers = self.driver.GetPeers({}, ['peer_id', 'peername', 'shortname', 'hrn_root']) + for peer_record in peers: + names = [name.lower() for name in peer_record.values() if isinstance(name, StringTypes)] + if site_authority in names: + peer = peer_record return peer @@ -159,14 +156,14 @@ class Slices: slice_authority = get_authority(hrn) site_authority = get_authority(slice_authority) - if site_authority != self.api.hrn: + if site_authority != self.driver.hrn: sfa_peer = site_authority return sfa_peer def verify_slice_nodes(self, slice, requested_slivers, peer): - nodes = self.api.driver.GetNodes(slice['node_ids'], ['hostname']) + nodes = self.driver.GetNodes(slice['node_ids'], ['node_id', 'hostname', 'interface_ids']) current_slivers = [node['hostname'] for node in nodes] # remove nodes not in rspec @@ -177,16 +174,17 @@ class Slices: try: if peer: - self.api.driver.UnBindObjectFromPeer('slice', slice['slice_id'], peer['shortname']) - self.api.driver.AddSliceToNodes(slice['name'], added_nodes) - self.api.driver.DeleteSliceFromNodes(slice['name'], deleted_nodes) + self.driver.UnBindObjectFromPeer('slice', slice['slice_id'], peer['shortname']) + self.driver.AddSliceToNodes(slice['name'], added_nodes) + self.driver.DeleteSliceFromNodes(slice['name'], deleted_nodes) except: - self.api.logger.log_exc('Failed to add/remove slice from nodes') + logger.log_exc('Failed to add/remove slice from nodes') + return nodes def free_egre_key(self): used = set() - for tag in self.api.driver.GetSliceTags({'tagname': 'egre_key'}): + for tag in self.driver.GetSliceTags({'tagname': 'egre_key'}): used.add(int(tag['value'])) for i in range(1, 256): @@ -198,10 +196,22 @@ class Slices: return str(key) - def verify_slice_links(self, slice, links, aggregate): + def verify_slice_links(self, slice, requested_links, nodes): # nodes is undefined here - if not links: + if not requested_links: return + + # build dict of nodes + nodes_dict = {} + interface_ids = [] + for node in nodes: + nodes_dict[node['node_id']] = node + interface_ids.extend(node['interface_ids']) + # build dict of interfaces + interfaces = self.driver.GetInterfaces(interface_ids) + interfaces_dict = {} + for interface in interfaces: + interfaces_dict[interface['interface_id']] = interface slice_tags = [] @@ -215,22 +225,22 @@ class Slices: # need to update the attribute string? slice_tags.append({'name': 'capabilities', 'value': 'CAP_NET_ADMIN'}) - for link in links: + for link in requested_links: # get the ip address of the first node in the link ifname1 = Xrn(link['interface1']['component_id']).get_leaf() - (node, device) = ifname1.split(':') - node_id = int(node.replace('node', '')) - node = aggregate.nodes[node_id] - if1 = aggregate.interfaces[node['interface_ids'][0]] + (node_raw, device) = ifname1.split(':') + node_id = int(node_raw.replace('node', '')) + node = nodes_dict[node_id] + if1 = interfaces_dict[node['interface_ids'][0]] ipaddr = if1['ip'] topo_rspec = VLink.get_topo_rspec(link, ipaddr) # set topo_rspec tag slice_tags.append({'name': 'topo_rspec', 'value': str([topo_rspec]), 'node_id': node_id}) # set vini_topo tag slice_tags.append({'name': 'vini_topo', 'value': 'manual', 'node_id': node_id}) - #self.api.driver.AddSliceTag(slice['name'], 'topo_rspec', str([topo_rspec]), node_id) + #self.driver.AddSliceTag(slice['name'], 'topo_rspec', str([topo_rspec]), node_id) - self.verify_slice_attributes(slice, slice_tags, append=True, admin=True) + self.verify_slice_attributes(slice, slice_tags, {'append': True}, admin=True) @@ -239,45 +249,45 @@ class Slices: # bind site try: if site: - self.api.driver.BindObjectToPeer('site', site['site_id'], peer['shortname'], slice['site_id']) + self.driver.BindObjectToPeer('site', site['site_id'], peer['shortname'], slice['site_id']) except Exception,e: - self.api.driver.DeleteSite(site['site_id']) + self.driver.DeleteSite(site['site_id']) raise e # bind slice try: if slice: - self.api.driver.BindObjectToPeer('slice', slice['slice_id'], peer['shortname'], slice['slice_id']) + self.driver.BindObjectToPeer('slice', slice['slice_id'], peer['shortname'], slice['slice_id']) except Exception,e: - self.api.driver.DeleteSlice(slice['slice_id']) + self.driver.DeleteSlice(slice['slice_id']) raise e # bind persons for person in persons: try: - self.api.driver.BindObjectToPeer('person', + self.driver.BindObjectToPeer('person', person['person_id'], peer['shortname'], person['peer_person_id']) for (key, remote_key_id) in zip(person['keys'], person['key_ids']): try: - self.api.driver.BindObjectToPeer( 'key', key['key_id'], peer['shortname'], remote_key_id) + self.driver.BindObjectToPeer( 'key', key['key_id'], peer['shortname'], remote_key_id) except: - self.api.driver.DeleteKey(key['key_id']) - self.api.logger("failed to bind key: %s to peer: %s " % (key['key_id'], peer['shortname'])) + self.driver.DeleteKey(key['key_id']) + logger("failed to bind key: %s to peer: %s " % (key['key_id'], peer['shortname'])) except Exception,e: - self.api.driver.DeletePerson(person['person_id']) + self.driver.DeletePerson(person['person_id']) raise e return slice - def verify_site(self, slice_xrn, slice_record={}, peer=None, sfa_peer=None): + def verify_site(self, slice_xrn, slice_record={}, peer=None, sfa_peer=None, options={}): (slice_hrn, type) = urn_to_hrn(slice_xrn) site_hrn = get_authority(slice_hrn) # login base can't be longer than 20 characters slicename = hrn_to_pl_slicename(slice_hrn) authority_name = slicename.split('_')[0] login_base = authority_name[:20] - sites = self.api.driver.GetSites(login_base) + sites = self.driver.GetSites(login_base) if not sites: # create new site record site = {'name': 'geni.%s' % authority_name, @@ -289,97 +299,102 @@ class Slices: 'peer_site_id': None} if peer: site['peer_site_id'] = slice_record.get('site_id', None) - site['site_id'] = self.api.driver.AddSite(site) + site['site_id'] = self.driver.AddSite(site) # exempt federated sites from monitor policies - self.api.driver.AddSiteTag(site['site_id'], 'exempt_site_until', "20200101") + self.driver.AddSiteTag(site['site_id'], 'exempt_site_until', "20200101") - # is this still necessary? - # add record to the local registry - if sfa_peer and slice_record: - peer_dict = {'type': 'authority', 'hrn': site_hrn, \ - 'peer_authority': sfa_peer, 'pointer': site['site_id']} - self.registry.register_peer_object(self.credential, peer_dict) +# # is this still necessary? +# # add record to the local registry +# if sfa_peer and slice_record: +# peer_dict = {'type': 'authority', 'hrn': site_hrn, \ +# 'peer_authority': sfa_peer, 'pointer': site['site_id']} +# self.registry.register_peer_object(self.credential, peer_dict) else: site = sites[0] if peer: # unbind from peer so we can modify if necessary. Will bind back later - self.api.driver.UnBindObjectFromPeer('site', site['site_id'], peer['shortname']) + self.driver.UnBindObjectFromPeer('site', site['site_id'], peer['shortname']) return site - def verify_slice(self, slice_hrn, slice_record, peer, sfa_peer): - #slicename = hrn_to_pl_slicename(slice_hrn) - parts = hrn_to_pl_slicename(slice_hrn).split("_") + def verify_slice(self, slice_hrn, slice_record, peer, sfa_peer, options={}): + slicename = hrn_to_pl_slicename(slice_hrn) + parts = slicename.split("_") login_base = parts[0] - slicename = slice_hrn - slices = self.api.driver.GetSlices([slicename]) - print>>sys.stderr, " \r\n \r\rn Slices.py verify_slice slicename %s slices %s slice_record %s"%(slicename ,slices, slice_record) + slices = self.driver.GetSlices([slicename]) if not slices: slice = {'name': slicename, 'url': slice_record.get('url', slice_hrn), 'description': slice_record.get('description', slice_hrn)} # add the slice - slice['slice_id'] = self.api.driver.AddSlice(slice) + slice['slice_id'] = self.driver.AddSlice(slice) slice['node_ids'] = [] slice['person_ids'] = [] if peer: slice['peer_slice_id'] = slice_record.get('slice_id', None) # mark this slice as an sfa peer record - if sfa_peer: - peer_dict = {'type': 'slice', 'hrn': slice_hrn, - 'peer_authority': sfa_peer, 'pointer': slice['slice_id']} - self.registry.register_peer_object(self.credential, peer_dict) +# if sfa_peer: +# peer_dict = {'type': 'slice', 'hrn': slice_hrn, +# 'peer_authority': sfa_peer, 'pointer': slice['slice_id']} +# self.registry.register_peer_object(self.credential, peer_dict) else: slice = slices[0] if peer: slice['peer_slice_id'] = slice_record.get('slice_id', None) # unbind from peer so we can modify if necessary. Will bind back later - self.api.driver.UnBindObjectFromPeer('slice', slice['slice_id'], peer['shortname']) + self.driver.UnBindObjectFromPeer('slice', slice['slice_id'], peer['shortname']) #Update existing record (e.g. expires field) it with the latest info. - #if slice_record and slice['expires'] != slice_record['expires']: - #self.api.driver.UpdateSlice( slice['slice_id'], {'expires' : slice_record['expires']}) + if slice_record and slice['expires'] != slice_record['expires']: + self.driver.UpdateSlice( slice['slice_id'], {'expires' : slice_record['expires']}) return slice #def get_existing_persons(self, users): - def verify_persons(self, slice_hrn, slice_record, users, peer, sfa_peer, append=True): + def verify_persons(self, slice_hrn, slice_record, users, peer, sfa_peer, options={}): users_by_email = {} users_by_site = defaultdict(list) - users_dict = {} for user in users: - if 'append' in user and user['append'] == False: - append = False + hrn, type = urn_to_hrn(user['urn']) + username = get_leaf(hrn) + login_base = get_leaf(get_authority(user['urn'])) + user['username'] = username + user['site'] = login_base + if 'email' in user: users_by_email[user['email']] = user users_dict[user['email']] = user - elif 'urn' in user: - hrn, type = urn_to_hrn(user['urn']) - username = get_leaf(hrn) - login_base = get_leaf(get_authority(user['urn'])) - user['username'] = username - users_by_site[login_base].append(user) + else: + users_by_site[user['site']].append(user) + # start building a list of existing users existing_user_ids = [] + existing_user_ids_filter = [] if users_by_email: + existing_user_ids_filter.extend(users_by_email.keys()) + if users_by_site: + for login_base in users_by_site: + users = users_by_site[login_base] + for user in users: + existing_user_ids_filter.append(user['username']+'@geni.net') + if existing_user_ids_filter: # get existing users by email - existing_users = self.api.driver.GetPersons({'email': users_by_email.keys()}, + existing_users = self.driver.GetPersons({'email': existing_user_ids_filter}, ['person_id', 'key_ids', 'email']) existing_user_ids.extend([user['email'] for user in existing_users]) - + if users_by_site: # get a list of user sites (based on requeste user urns - site_list = self.api.driver.GetSites(users_by_site.keys(), \ + site_list = self.driver.GetSites(users_by_site.keys(), \ ['site_id', 'login_base', 'person_ids']) + # get all existing users at these sites sites = {} site_user_ids = [] - - # get all existing users at these sites for site in site_list: sites[site['site_id']] = site site_user_ids.extend(site['person_ids']) - existing_site_persons_list = self.api.driver.GetPersons(site_user_ids, + existing_site_persons_list = self.driver.GetPersons(site_user_ids, ['person_id', 'key_ids', 'email', 'site_ids']) # all requested users are either existing users or new (added) users @@ -389,13 +404,14 @@ class Slices: user_found = False for existing_user in existing_site_persons_list: for site_id in existing_user['site_ids']: - site = sites[site_id] - if login_base == site['login_base'] and \ - existing_user['email'].startswith(requested_user['username']): - existing_user_ids.append(existing_user['email']) - users_dict[existing_user['email']] = requested_user - user_found = True - break + if site_id in sites: + site = sites[site_id] + if login_base == site['login_base'] and \ + existing_user['email'].startswith(requested_user['username']+'@'): + existing_user_ids.append(existing_user['email']) + users_dict[existing_user['email']] = requested_user + user_found = True + break if user_found: break @@ -403,12 +419,11 @@ class Slices: fake_email = requested_user['username'] + '@geni.net' users_dict[fake_email] = requested_user - # requested slice users requested_user_ids = users_dict.keys() # existing slice users existing_slice_users_filter = {'person_id': slice_record.get('person_ids', [])} - existing_slice_users = self.api.driver.GetPersons(existing_slice_users_filter, + existing_slice_users = self.driver.GetPersons(existing_slice_users_filter, ['person_id', 'key_ids', 'email']) existing_slice_user_ids = [user['email'] for user in existing_slice_users] @@ -419,13 +434,15 @@ class Slices: updated_user_ids = set(existing_slice_user_ids).intersection(requested_user_ids) # Remove stale users (only if we are not appending). + # Append by default. + append = options.get('append', True) if append == False: for removed_user_id in removed_user_ids: - self.api.driver.DeletePersonFromSlice(removed_user_id, slice_record['name']) + self.driver.DeletePersonFromSlice(removed_user_id, slice_record['name']) # update_existing users updated_users_list = [user for user in existing_slice_users if user['email'] in \ updated_user_ids] - self.verify_keys(existing_slice_users, updated_users_list, peer, append) + self.verify_keys(existing_slice_users, updated_users_list, peer, options) added_persons = [] # add new users @@ -440,43 +457,43 @@ class Slices: 'keys': [], 'key_ids': added_user.get('key_ids', []), } - person['person_id'] = self.api.driver.AddPerson(person) + person['person_id'] = self.driver.AddPerson(person) if peer: person['peer_person_id'] = added_user['person_id'] added_persons.append(person) # enable the account - self.api.driver.UpdatePerson(person['person_id'], {'enabled': True}) + self.driver.UpdatePerson(person['person_id'], {'enabled': True}) # add person to site - self.api.driver.AddPersonToSite(added_user_id, login_base) + self.driver.AddPersonToSite(added_user_id, added_user['site']) for key_string in added_user.get('keys', []): key = {'key':key_string, 'key_type':'ssh'} - key['key_id'] = self.api.driver.AddPersonKey(person['person_id'], key) + key['key_id'] = self.driver.AddPersonKey(person['person_id'], key) person['keys'].append(key) # add the registry record - if sfa_peer: - peer_dict = {'type': 'user', 'hrn': hrn, 'peer_authority': sfa_peer, \ - 'pointer': person['person_id']} - self.registry.register_peer_object(self.credential, peer_dict) +# if sfa_peer: +# peer_dict = {'type': 'user', 'hrn': hrn, 'peer_authority': sfa_peer, \ +# 'pointer': person['person_id']} +# self.registry.register_peer_object(self.credential, peer_dict) for added_slice_user_id in added_slice_user_ids.union(added_user_ids): # add person to the slice - self.api.driver.AddPersonToSlice(added_slice_user_id, slice_record['name']) + self.driver.AddPersonToSlice(added_slice_user_id, slice_record['name']) # if this is a peer record then it should already be bound to a peer. # no need to return worry about it getting bound later return added_persons - def verify_keys(self, persons, users, peer, append=True): + def verify_keys(self, persons, users, peer, options={}): # existing keys key_ids = [] for person in persons: key_ids.extend(person['key_ids']) - keylist = self.api.driver.GetKeys(key_ids, ['key_id', 'key']) + keylist = self.driver.GetKeys(key_ids, ['key_id', 'key']) keydict = {} for key in keylist: keydict[key['key']] = key['key_id'] @@ -498,43 +515,45 @@ class Slices: try: if peer: person = persondict[user['email']] - self.api.driver.UnBindObjectFromPeer('person', person['person_id'], peer['shortname']) - key['key_id'] = self.api.driver.AddPersonKey(user['email'], key) + self.driver.UnBindObjectFromPeer('person', person['person_id'], peer['shortname']) + key['key_id'] = self.driver.AddPersonKey(user['email'], key) if peer: key_index = user_keys.index(key['key']) remote_key_id = user['key_ids'][key_index] - self.api.driver.BindObjectToPeer('key', key['key_id'], peer['shortname'], remote_key_id) + self.driver.BindObjectToPeer('key', key['key_id'], peer['shortname'], remote_key_id) finally: if peer: - self.api.driver.BindObjectToPeer('person', person['person_id'], peer['shortname'], user['person_id']) + self.driver.BindObjectToPeer('person', person['person_id'], peer['shortname'], user['person_id']) # remove old keys (only if we are not appending) + append = options.get('append', True) if append == False: removed_keys = set(existing_keys).difference(requested_keys) for existing_key_id in keydict: if keydict[existing_key_id] in removed_keys: try: if peer: - self.api.driver.UnBindObjectFromPeer('key', existing_key_id, peer['shortname']) - self.api.driver.DeleteKey(existing_key_id) + self.driver.UnBindObjectFromPeer('key', existing_key_id, peer['shortname']) + self.driver.DeleteKey(existing_key_id) except: pass - def verify_slice_attributes(self, slice, requested_slice_attributes, append=False, admin=False): + def verify_slice_attributes(self, slice, requested_slice_attributes, options={}, admin=False): + append = options.get('append', True) # get list of attributes users ar able to manage filter = {'category': '*slice*'} if not admin: filter['|roles'] = ['user'] - slice_attributes = self.api.driver.GetTagTypes(filter) + slice_attributes = self.driver.GetTagTypes(filter) valid_slice_attribute_names = [attribute['tagname'] for attribute in slice_attributes] # get sliver attributes added_slice_attributes = [] removed_slice_attributes = [] ignored_slice_attribute_names = [] - existing_slice_attributes = self.api.driver.GetSliceTags({'slice_id': slice['slice_id']}) - + existing_slice_attributes = self.driver.GetSliceTags({'slice_id': slice['slice_id']}) + # get attributes that should be removed for slice_tag in existing_slice_attributes: if slice_tag['tagname'] in ignored_slice_attribute_names: @@ -571,95 +590,16 @@ class Slices: # remove stale attributes for attribute in removed_slice_attributes: try: - self.api.driver.DeleteSliceTag(attribute['slice_tag_id']) + self.driver.DeleteSliceTag(attribute['slice_tag_id']) except Exception, e: - self.api.logger.warn('Failed to remove sliver attribute. name: %s, value: %s, node_id: %s\nCause:%s'\ + logger.warn('Failed to remove sliver attribute. name: %s, value: %s, node_id: %s\nCause:%s'\ % (name, value, node_id, str(e))) # add requested_attributes for attribute in added_slice_attributes: try: - self.api.driver.AddSliceTag(slice['name'], attribute['name'], attribute['value'], attribute.get('node_id', None)) + self.driver.AddSliceTag(slice['name'], attribute['name'], attribute['value'], attribute.get('node_id', None)) except Exception, e: - self.api.logger.warn('Failed to add sliver attribute. name: %s, value: %s, node_id: %s\nCause:%s'\ + logger.warn('Failed to add sliver attribute. name: %s, value: %s, node_id: %s\nCause:%s'\ % (name, value, node_id, str(e))) - def create_slice_aggregate(self, xrn, rspec): - hrn, type = urn_to_hrn(xrn) - # Determine if this is a peer slice - peer = self.get_peer(hrn) - sfa_peer = self.get_sfa_peer(hrn) - - spec = RSpec(rspec) - # Get the slice record from sfa - slicename = hrn_to_pl_slicename(hrn) - slice = {} - slice_record = None - registry = self.api.registries[self.api.hrn] - credential = self.api.getCredential() - - site_id, remote_site_id = self.verify_site(registry, credential, hrn, peer, sfa_peer) - slice = self.verify_slice(registry, credential, hrn, site_id, remote_site_id, peer, sfa_peer) - - # find out where this slice is currently running - nodelist = self.api.driver.GetNodes(slice['node_ids'], ['hostname']) - hostnames = [node['hostname'] for node in nodelist] - - # get netspec details - nodespecs = spec.getDictsByTagName('NodeSpec') - - # dict in which to store slice attributes to set for the nodes - nodes = {} - for nodespec in nodespecs: - if isinstance(nodespec['name'], list): - for nodename in nodespec['name']: - nodes[nodename] = {} - for k in nodespec.keys(): - rspec_attribute_value = nodespec[k] - if (self.rspec_to_slice_tag.has_key(k)): - slice_tag_name = self.rspec_to_slice_tag[k] - nodes[nodename][slice_tag_name] = rspec_attribute_value - elif isinstance(nodespec['name'], StringTypes): - nodename = nodespec['name'] - nodes[nodename] = {} - for k in nodespec.keys(): - rspec_attribute_value = nodespec[k] - if (self.rspec_to_slice_tag.has_key(k)): - slice_tag_name = self.rspec_to_slice_tag[k] - nodes[nodename][slice_tag_name] = rspec_attribute_value - - for k in nodespec.keys(): - rspec_attribute_value = nodespec[k] - if (self.rspec_to_slice_tag.has_key(k)): - slice_tag_name = self.rspec_to_slice_tag[k] - nodes[nodename][slice_tag_name] = rspec_attribute_value - - node_names = nodes.keys() - # remove nodes not in rspec - deleted_nodes = list(set(hostnames).difference(node_names)) - # add nodes from rspec - added_nodes = list(set(node_names).difference(hostnames)) - - try: - if peer: - self.api.driver.UnBindObjectFromPeer('slice', slice['slice_id'], peer) - - self.api.driver.AddSliceToNodes(slicename, added_nodes) - - # Add recognized slice tags - for node_name in node_names: - node = nodes[node_name] - for slice_tag in node.keys(): - value = node[slice_tag] - if (isinstance(value, list)): - value = value[0] - - self.api.driver.AddSliceTag(slicename, slice_tag, value, node_name) - - self.api.driver.DeleteSliceFromNodes(slicename, deleted_nodes) - finally: - if peer: - self.api.driver.BindObjectToPeer('slice', slice['slice_id'], peer, slice['peer_slice_id']) - - return 1 -