import time import datetime # from sfa.util.faults import MissingSfaInfo, UnknownSfaType, \ RecordNotFound, SfaNotImplemented, SliverDoesNotExist from sfa.util.sfalogging import logger from sfa.util.defaultdict import defaultdict from sfa.util.sfatime import utcparse, datetime_to_string, datetime_to_epoch from sfa.util.xrn import Xrn, hrn_to_urn, get_leaf from sfa.util.cache import Cache # one would think the driver should not need to mess with the SFA db, but.. from sfa.storage.alchemy import dbsession from sfa.storage.model import RegRecord # used to be used in get_ticket #from sfa.trust.sfaticket import SfaTicket from sfa.rspecs.version_manager import VersionManager from sfa.rspecs.rspec import RSpec # the driver interface, mostly provides default behaviours from sfa.managers.driver import Driver from sfa.dummy.dummyshell import DummyShell from sfa.dummy.dummyaggregate import DummyAggregate from sfa.dummy.dummyslices import DummySlices from sfa.dummy.dummyxrn import DummyXrn, slicename_to_hrn, hostname_to_hrn, hrn_to_dummy_slicename, xrn_to_hostname def list_to_dict(recs, key): """ convert a list of dictionaries into a dictionary keyed on the specified dictionary key """ return dict ( [ (rec[key],rec) for rec in recs ] ) # # DummyShell is just an xmlrpc serverproxy where methods can be sent as-is; # class DummyDriver (Driver): # the cache instance is a class member so it survives across incoming requests cache = None def __init__ (self, config): Driver.__init__ (self, config) self.config = config self.hrn = config.SFA_INTERFACE_HRN self.root_auth = config.SFA_REGISTRY_ROOT_AUTH self.shell = DummyShell (config) self.testbedInfo = self.shell.GetTestbedInfo() ######################################## ########## registry oriented ######################################## def augment_records_with_testbed_info (self, sfa_records): return self.fill_record_info (sfa_records) ########## def register (self, sfa_record, hrn, pub_key): type = sfa_record['type'] dummy_record = self.sfa_fields_to_dummy_fields(type, hrn, sfa_record) if type == 'authority': pointer = -1 elif type == 'slice': slices = self.shell.GetSlices({'slice_name': dummy_record['slice_name']}) if not slices: pointer = self.shell.AddSlice(dummy_record) else: pointer = slices[0]['slice_id'] elif type == 'user': users = self.shell.GetUsers({'email':sfa_record['email']}) if not users: pointer = self.shell.AddUser(dummy_record) else: pointer = users[0]['user_id'] # Add the user's key if pub_key: self.shell.AddUserKey({'user_id' : pointer, 'key' : pub_key}) elif type == 'node': nodes = self.shell.GetNodes(dummy_record['hostname']) if not nodes: pointer = self.shell.AddNode(dummy_record) else: pointer = users[0]['node_id'] return pointer ########## def update (self, old_sfa_record, new_sfa_record, hrn, new_key): pointer = old_sfa_record['pointer'] type = old_sfa_record['type'] dummy_record=self.sfa_fields_to_dummy_fields(type, hrn, new_sfa_record) # new_key implemented for users only if new_key and type not in [ 'user' ]: raise UnknownSfaType(type) if type == "slice": self.shell.UpdateSlice({'slice_id': pointer, 'fields': dummy_record}) elif type == "user": self.shell.UpdateUser({'user_id': pointer, 'fields': dummy_record}) if new_key: self.shell.AddUserKey({'user_id' : pointer, 'key' : new_key}) elif type == "node": self.shell.UpdateNode({'node_id': pointer, 'fields': dummy_record}) return True ########## def remove (self, sfa_record): type=sfa_record['type'] pointer=sfa_record['pointer'] if type == 'user': self.shell.DeleteUser({'user_id': pointer}) elif type == 'slice': self.shell.DeleteSlice({'slice_id': pointer}) elif type == 'node': self.shell.DeleteNode({'node_id': pointer}) return True ## # Convert SFA fields to Dummy testbed fields for use when registering or updating # registry record in the dummy testbed # def sfa_fields_to_dummy_fields(self, type, hrn, sfa_record): dummy_record = {} if type == "slice": dummy_record["slice_name"] = hrn_to_dummy_slicename(hrn) elif type == "node": if "hostname" not in sfa_record: raise MissingSfaInfo("hostname") dummy_record["hostname"] = sfa_record["hostname"] if "type" in sfa_record: dummy_record["type"] = sfa_record["type"] else: dummy_record["type"] = "dummy_type" elif type == "authority": dummy_record["name"] = hrn elif type == "user": dummy_record["user_name"] = sfa_record["email"].split('@')[0] dummy_record["email"] = sfa_record["email"] return dummy_record #################### def fill_record_info(self, records): """ Given a (list of) SFA record, fill in the DUMMY TESTBED specific and SFA specific fields in the record. """ if not isinstance(records, list): records = [records] self.fill_record_dummy_info(records) self.fill_record_hrns(records) self.fill_record_sfa_info(records) return records def fill_record_dummy_info(self, records): """ Fill in the DUMMY specific fields of a SFA record. This involves calling the appropriate DUMMY method to retrieve the database record for the object. @param record: record to fill in field (in/out param) """ # get ids by type node_ids, slice_ids, user_ids = [], [], [] type_map = {'node': node_ids, 'slice': slice_ids, 'user': user_ids} for record in records: for type in type_map: if type == record['type']: type_map[type].append(record['pointer']) # get dummy records nodes, slices, users = {}, {}, {} if node_ids: node_list = self.shell.GetNodes({'node_ids':node_ids}) nodes = list_to_dict(node_list, 'node_id') if slice_ids: slice_list = self.shell.GetSlices({'slice_ids':slice_ids}) slices = list_to_dict(slice_list, 'slice_id') if user_ids: user_list = self.shell.GetUsers({'user_ids': user_ids}) users = list_to_dict(user_list, 'user_id') dummy_records = {'node': nodes, 'slice': slices, 'user': users} # fill record info for record in records: # records with pointer==-1 do not have dummy info. if record['pointer'] == -1: continue for type in dummy_records: if record['type'] == type: if record['pointer'] in dummy_records[type]: record.update(dummy_records[type][record['pointer']]) break # fill in key info if record['type'] == 'user': record['key_ids'] = [] recors['keys'] = [] for key in dummy_records['user'][record['pointer']]['keys']: record['key_ids'].append(-1) recors['keys'].append(key) return records def fill_record_hrns(self, records): """ convert dummy ids to hrns """ # get ids slice_ids, user_ids, node_ids = [], [], [] for record in records: if 'user_ids' in record: user_ids.extend(record['user_ids']) if 'slice_ids' in record: slice_ids.extend(record['slice_ids']) if 'node_ids' in record: node_ids.extend(record['node_ids']) # get dummy records slices, users, nodes = {}, {}, {} if user_ids: user_list = self.shell.GetUsers({'user_ids': user_ids}) users = list_to_dict(user_list, 'user_id') if slice_ids: slice_list = self.shell.GetSlices({'slice_ids': slice_ids}) slices = list_to_dict(slice_list, 'slice_id') if node_ids: node_list = self.shell.GetNodes({'node_ids': node_ids}) nodes = list_to_dict(node_list, 'node_id') # convert ids to hrns for record in records: # get all relevant data type = record['type'] pointer = record['pointer'] testbed_name = self.testbed_name() auth_hrn = self.hrn if pointer == -1: continue if 'user_ids' in record: emails = [users[user_id]['email'] for user_id in record['user_ids'] \ if user_id in users] usernames = [email.split('@')[0] for email in emails] user_hrns = [".".join([auth_hrn, testbed_name, username]) for username in usernames] record['users'] = user_hrns if 'slice_ids' in record: slicenames = [slices[slice_id]['slice_name'] for slice_id in record['slice_ids'] \ if slice_id in slices] slice_hrns = [slicename_to_hrn(auth_hrn, slicename) for slicename in slicenames] record['slices'] = slice_hrns if 'node_ids' in record: hostnames = [nodes[node_id]['hostname'] for node_id in record['node_ids'] \ if node_id in nodes] node_hrns = [hostname_to_hrn(auth_hrn, login_base, hostname) for hostname in hostnames] record['nodes'] = node_hrns return records def fill_record_sfa_info(self, records): def startswith(prefix, values): return [value for value in values if value.startswith(prefix)] # get user ids user_ids = [] for record in records: user_ids.extend(record.get("user_ids", [])) # get sfa records for all records associated with these records. # we'll replace pl ids (person_ids) with hrns from the sfa records # we obtain # get the registry records user_list, users = [], {} user_list = dbsession.query (RegRecord).filter(RegRecord.pointer.in_(user_ids)) # create a hrns keyed on the sfa record's pointer. # Its possible for multiple records to have the same pointer so # the dict's value will be a list of hrns. users = defaultdict(list) for user in user_list: users[user.pointer].append(user) # get the dummy records dummy_user_list, dummy_users = [], {} dummy_user_list = self.shell.GetUsers({'user_ids': user_ids}) dummy_users = list_to_dict(dummy_user_list, 'user_id') # fill sfa info for record in records: # skip records with no pl info (top level authorities) #if record['pointer'] == -1: # continue sfa_info = {} type = record['type'] logger.info("fill_record_sfa_info - incoming record typed %s"%type) if (type == "slice"): # all slice users are researchers record['geni_urn'] = hrn_to_urn(record['hrn'], 'slice') record['PI'] = [] record['researcher'] = [] for user_id in record.get('user_ids', []): hrns = [user.hrn for user in users[user_id]] record['researcher'].extend(hrns) elif (type.startswith("authority")): record['url'] = None logger.info("fill_record_sfa_info - authority xherex") elif (type == "node"): sfa_info['dns'] = record.get("hostname", "") # xxx TODO: URI, LatLong, IP, DNS elif (type == "user"): logger.info('setting user.email') sfa_info['email'] = record.get("email", "") sfa_info['geni_urn'] = hrn_to_urn(record['hrn'], 'user') sfa_info['geni_certificate'] = record['gid'] # xxx TODO: PostalAddress, Phone record.update(sfa_info) #################### def update_relation (self, subject_type, target_type, relation_name, subject_id, target_ids): # hard-wire the code for slice/user for now, could be smarter if needed if subject_type =='slice' and target_type == 'user' and relation_name == 'researcher': subject=self.shell.GetSlices ({'slice_id': subject_id})[0] if 'user_ids' not in subject.keys(): subject['user_ids'] = [] current_target_ids = subject['user_ids'] add_target_ids = list ( set (target_ids).difference(current_target_ids)) del_target_ids = list ( set (current_target_ids).difference(target_ids)) logger.debug ("subject_id = %s (type=%s)"%(subject_id,type(subject_id))) for target_id in add_target_ids: self.shell.AddUserToSlice ({'user_id': target_id, 'slice_id': subject_id}) logger.debug ("add_target_id = %s (type=%s)"%(target_id,type(target_id))) for target_id in del_target_ids: logger.debug ("del_target_id = %s (type=%s)"%(target_id,type(target_id))) self.shell.DeleteUserFromSlice ({'user_id': target_id, 'slice_id': subject_id}) else: logger.info('unexpected relation %s to maintain, %s -> %s'%(relation_name,subject_type,target_type)) ######################################## ########## aggregate oriented ######################################## def testbed_name (self): return "dummy" # 'geni_request_rspec_versions' and 'geni_ad_rspec_versions' are mandatory def aggregate_version (self): version_manager = VersionManager() ad_rspec_versions = [] request_rspec_versions = [] for rspec_version in version_manager.versions: if rspec_version.content_type in ['*', 'ad']: ad_rspec_versions.append(rspec_version.to_dict()) if rspec_version.content_type in ['*', 'request']: request_rspec_versions.append(rspec_version.to_dict()) return { 'testbed':self.testbed_name(), 'geni_request_rspec_versions': request_rspec_versions, 'geni_ad_rspec_versions': ad_rspec_versions, } def list_slices (self, creds, options): slices = self.shell.GetSlices() slice_hrns = [slicename_to_hrn(self.hrn, slice['slice_name']) for slice in slices] slice_urns = [hrn_to_urn(slice_hrn, 'slice') for slice_hrn in slice_hrns] return slice_urns # first 2 args are None in case of resource discovery def list_resources (self, slice_urn, slice_hrn, creds, options): version_manager = VersionManager() # get the rspec's return format from options rspec_version = version_manager.get_version(options.get('geni_rspec_version')) version_string = "rspec_%s" % (rspec_version) aggregate = DummyAggregate(self) rspec = aggregate.get_rspec(slice_xrn=slice_urn, version=rspec_version, options=options) return rspec def sliver_status (self, slice_urn, slice_hrn): # find out where this slice is currently running slice_name = hrn_to_dummy_slicename(slice_hrn) slice = self.shell.GetSlices({'slice_name': slice_name}) if len(slices) == 0: raise SliverDoesNotExist("%s (used %s as slicename internally)" % (slice_hrn, slicename)) # report about the local nodes only nodes = self.shell.GetNodes({'node_ids':slice['node_ids']}) if len(nodes) == 0: raise SliverDoesNotExist("You have not allocated any slivers here") # get login info user = {} keys = [] if slice['user_ids']: users = self.shell.GetUsers({'user_ids': slice['user_ids']}) for user in users: keys.extend(user['keys']) user.update({'urn': slice_urn, 'login': slice['slice_name'], 'protocol': ['ssh'], 'port': ['22'], 'keys': keys}) result = {} top_level_status = 'unknown' if nodes: top_level_status = 'ready' result['geni_urn'] = slice_urn result['dummy_login'] = slice['slice_name'] result['dummy_expires'] = datetime_to_string(utcparse(slice['expires'])) result['geni_expires'] = datetime_to_string(utcparse(slice['expires'])) resources = [] for node in nodes: res = {} res['dummy_hostname'] = node['hostname'] res['geni_expires'] = datetime_to_string(utcparse(slice['expires'])) sliver_id = Xrn(slice_urn, type='slice', id=node['node_id'], authority=self.hrn).urn res['geni_urn'] = sliver_id res['geni_status'] = 'ready' res['geni_error'] = '' res['users'] = [users] resources.append(res) result['geni_status'] = top_level_status result['geni_resources'] = resources return result def create_sliver (self, slice_urn, slice_hrn, creds, rspec_string, users, options): aggregate = DummyAggregate(self) slices = DummySlices(self) sfa_peer = slices.get_sfa_peer(slice_hrn) slice_record=None if users: slice_record = users[0].get('slice_record', {}) # parse rspec rspec = RSpec(rspec_string) requested_attributes = rspec.version.get_slice_attributes() # ensure slice record exists slice = slices.verify_slice(slice_hrn, slice_record, sfa_peer, options=options) # ensure user records exists #users = slices.verify_users(slice_hrn, slice, users, sfa_peer, options=options) # add/remove slice from nodes requested_slivers = [] for node in rspec.version.get_nodes_with_slivers(): hostname = None if node.get('component_name'): hostname = node.get('component_name').strip() elif node.get('component_id'): hostname = xrn_to_hostname(node.get('component_id').strip()) if hostname: requested_slivers.append(hostname) requested_slivers_ids = [] for hostname in requested_slivers: node_id = self.shell.GetNodes({'hostname': hostname})[0]['node_id'] requested_slivers_ids.append(node_id) nodes = slices.verify_slice_nodes(slice, requested_slivers_ids) return aggregate.get_rspec(slice_xrn=slice_urn, version=rspec.version) def delete_sliver (self, slice_urn, slice_hrn, creds, options): slicename = hrn_to_dummy_slicename(slice_hrn) slices = self.shell.GetSlices({'slice_name': slicename}) if not slices: return True slice = slices[0] try: self.shell.DeleteSliceFromNodes({'slice_id': slice['slice_id'], 'node_ids': slice['node_ids']}) return True except: return False def renew_sliver (self, slice_urn, slice_hrn, creds, expiration_time, options): slicename = hrn_to_dummy_slicename(slice_hrn) slices = self.shell.GetSlices({'slice_name': slicename}) if not slices: raise RecordNotFound(slice_hrn) slice = slices[0] requested_time = utcparse(expiration_time) record = {'expires': int(datetime_to_epoch(requested_time))} try: self.shell.UpdateSlice({'slice_id': slice['slice_id'], 'fields':record}) return True except: return False # set the 'enabled' tag to True def start_slice (self, slice_urn, slice_hrn, creds): slicename = hrn_to_dummy_slicename(slice_hrn) slices = self.shell.GetSlices({'slice_name': slicename}) if not slices: raise RecordNotFound(slice_hrn) slice_id = slices[0]['slice_id'] slice_enabled = slices[0]['enabled'] # just update the slice enabled tag if not slice_enabled: self.shell.UpdateSlice({'slice_id': slice_id, 'fields': {'enabled': True}}) return 1 # set the 'enabled' tag to False def stop_slice (self, slice_urn, slice_hrn, creds): slicename = hrn_to_pl_slicename(slice_hrn) slices = self.shell.GetSlices({'slice_name': slicename}) if not slices: raise RecordNotFound(slice_hrn) slice_id = slices[0]['slice_id'] slice_enabled = slices[0]['enabled'] # just update the slice enabled tag if slice_enabled: self.shell.UpdateSlice({'slice_id': slice_id, 'fields': {'enabled': False}}) return 1 def reset_slice (self, slice_urn, slice_hrn, creds): raise SfaNotImplemented ("reset_slice not available at this interface") def get_ticket (self, slice_urn, slice_hrn, creds, rspec_string, options): raise SfaNotImplemented,"DummyDriver.get_ticket needs a rewrite"