X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=sfa%2Fiotlab%2Fiotlabdriver.py;h=a820fc697259dcd376dd68c6d93c902e1ff681f8;hb=c9a9d0d6cc1a372fc34011e27883c58c244a9824;hp=699e11185f2bff05c6efa5d32f6d1318a1589c18;hpb=fae309c53ba7e65f1b51047d8c8fbb7a10477713;p=sfa.git diff --git a/sfa/iotlab/iotlabdriver.py b/sfa/iotlab/iotlabdriver.py index 699e1118..a820fc69 100644 --- a/sfa/iotlab/iotlabdriver.py +++ b/sfa/iotlab/iotlabdriver.py @@ -1,338 +1,68 @@ -""" -Implements what a driver should provide for SFA to work. -""" -from sfa.util.faults import SliverDoesNotExist, UnknownSfaType -from sfa.util.sfalogging import logger -from sfa.storage.model import RegRecord -from sfa.util.sfatime import utcparse, datetime_to_string +# -*- coding:utf-8 -*- +""" driver class management """ -from sfa.managers.driver import Driver +from sfa.util.sfalogging import logger +from sfa.util.xrn import Xrn, urn_to_hrn from sfa.rspecs.version_manager import VersionManager from sfa.rspecs.rspec import RSpec +from sfa.managers.driver import Driver +from sfa.iotlab.iotlabshell import IotLABShell +from sfa.iotlab.iotlabaggregate import IotLABAggregate +from sfa.iotlab.iotlablease import LeaseTable -from sfa.iotlab.iotlabxrn import xrn_object -from sfa.util.xrn import Xrn, hrn_to_urn, get_authority, urn_to_hrn - -from sfa.iotlab.iotlabaggregate import IotlabAggregate -from sfa.iotlab.iotlabxrn import xrn_to_hostname -from sfa.iotlab.iotlabslices import IotlabSlices - -from sfa.storage.model import SliverAllocation -from sfa.iotlab.iotlabshell import IotlabShell - - -class IotlabDriver(Driver): - """ Iotlab Driver class inherited from Driver generic class. - - Contains methods compliant with the SFA standard and the testbed - infrastructure (calls to LDAP and OAR). - - .. seealso::: Driver class +class IotLabDriver(Driver): + """ + SFA driver for Iot-LAB testbed """ - def __init__(self, api): - """ - - Sets the iotlab SFA config parameters, - instanciates the testbed api and the iotlab database. - - :param config: iotlab SFA configuration object - :type config: Config object - """ + def __init__(self, api): Driver.__init__(self, api) - self.api = api config = api.config - self.testbed_shell = IotlabShell(api) + self.api = api + self.root_auth = config.SFA_REGISTRY_ROOT_AUTH + self.shell = IotLABShell() + # need by sfa driver self.cache = None - def augment_records_with_testbed_info(self, record_list): - """ - - Adds specific testbed info to the records. - - :param record_list: list of sfa dictionaries records - :type record_list: list - :returns: list of records with extended information in each record - :rtype: list - - """ - return self.fill_record_info(record_list) - - def fill_record_info(self, record_list): - """ - - For each SFA record, fill in the iotlab specific and SFA specific - fields in the record. - - :param record_list: list of sfa dictionaries records - :type record_list: list - :returns: list of records with extended information in each record - :rtype: list - - .. warning:: Should not be modifying record_list directly because modi - fication are kept outside the method's scope. Howerver, there is no - other way to do it given the way it's called in registry manager. - - """ - - logger.debug("IOTLABDRIVER \tfill_record_info records %s " - % (record_list)) - if not isinstance(record_list, list): - record_list = [record_list] - - try: - for record in record_list: - - if str(record['type']) == 'node': - # look for node info using GetNodes - # the record is about one node only - filter_dict = {'hrn': [record['hrn']]} - node_info = self.testbed_shell.GetNodes(filter_dict) - # the node_info is about one node only, but it is formatted - # as a list - record.update(node_info[0]) - logger.debug("IOTLABDRIVER.PY \t \ - fill_record_info NODE" % (record)) - - #If the record is a SFA slice record, then add information - #about the user of this slice. This kind of - #information is in the Iotlab's DB. - if str(record['type']) == 'slice': - if 'reg_researchers' in record and isinstance(record - ['reg_researchers'], - list): - record['reg_researchers'] = \ - record['reg_researchers'][0].__dict__ - record.update( - {'PI': [record['reg_researchers']['hrn']], - 'researcher': [record['reg_researchers']['hrn']], - 'name': record['hrn'], - 'oar_job_id': [], - 'node_ids': [], - 'person_ids': [record['reg_researchers'] - ['record_id']], - # For client_helper.py compatibility - 'geni_urn': '', - # For client_helper.py compatibility - 'keys': '', - # For client_helper.py compatibility - 'key_ids': ''}) - - #Get iotlab slice record and oar job id if any. - recslice_list = self.testbed_shell.GetSlices( - slice_filter=str(record['hrn']), - slice_filter_type='slice_hrn') - - logger.debug("IOTLABDRIVER \tfill_record_info \ - TYPE SLICE RECUSER record['hrn'] %s record['oar_job_id']\ - %s " % (record['hrn'], record['oar_job_id'])) - del record['reg_researchers'] - try: - for rec in recslice_list: - logger.debug("IOTLABDRIVER\r\n \t \ - fill_record_info oar_job_id %s " - % (rec['oar_job_id'])) - - record['node_ids'] = [self.testbed_shell.root_auth + - '.' + hostname for hostname - in rec['node_ids']] - except KeyError: - pass - - logger.debug("IOTLABDRIVER.PY \t fill_record_info SLICE \ - recslice_list %s \r\n \t RECORD %s \r\n \ - \r\n" % (recslice_list, record)) - - if str(record['type']) == 'user': - #The record is a SFA user record. - #Get the information about his slice from Iotlab's DB - #and add it to the user record. - recslice_list = self.testbed_shell.GetSlices( - slice_filter=record['record_id'], - slice_filter_type='record_id_user') - - logger.debug("IOTLABDRIVER.PY \t fill_record_info \ - TYPE USER recslice_list %s \r\n \t RECORD %s \r\n" - % (recslice_list, record)) - #Append slice record in records list, - #therefore fetches user and slice info again(one more loop) - #Will update PIs and researcher for the slice - - recuser = recslice_list[0]['reg_researchers'] - logger.debug("IOTLABDRIVER.PY \t fill_record_info USER \ - recuser %s \r\n \r\n" % (recuser)) - recslice = {} - recslice = recslice_list[0] - recslice.update( - {'PI': [recuser['hrn']], - 'researcher': [recuser['hrn']], - 'name': record['hrn'], - 'node_ids': [], - 'oar_job_id': [], - 'person_ids': [recuser['record_id']]}) - try: - for rec in recslice_list: - recslice['oar_job_id'].append(rec['oar_job_id']) - except KeyError: - pass - - recslice.update({'type': 'slice', - 'hrn': recslice_list[0]['hrn']}) - - #GetPersons takes [] as filters - user_iotlab = self.testbed_shell.GetPersons([record]) - - record.update(user_iotlab[0]) - #For client_helper.py compatibility - record.update( - {'geni_urn': '', - 'keys': '', - 'key_ids': ''}) - record_list.append(recslice) - - logger.debug("IOTLABDRIVER.PY \t \ - fill_record_info ADDING SLICE\ - INFO TO USER records %s" % (record_list)) - - except TypeError, error: - logger.log_exc("IOTLABDRIVER \t fill_record_info EXCEPTION %s" - % (error)) - - return record_list - - def sliver_status(self, slice_urn, slice_hrn): - """ - Receive a status request for slice named urn/hrn - urn:publicid:IDN+iotlab+nturro_slice hrn iotlab.nturro_slice - shall return a structure as described in - http://groups.geni.net/geni/wiki/GAPI_AM_API_V2#SliverStatus - NT : not sure if we should implement this or not, but used by sface. - - :param slice_urn: slice urn - :type slice_urn: string - :param slice_hrn: slice hrn - :type slice_hrn: string - - """ - - #First get the slice with the slice hrn - slice_list = self.testbed_shell.GetSlices(slice_filter=slice_hrn, - slice_filter_type='slice_hrn') - - if len(slice_list) == 0: - raise SliverDoesNotExist("%s slice_hrn" % (slice_hrn)) - - #Used for fetching the user info witch comes along the slice info - one_slice = slice_list[0] - - #Make a list of all the nodes hostnames in use for this slice - slice_nodes_list = [] - slice_nodes_list = one_slice['node_ids'] - #Get all the corresponding nodes details - nodes_all = self.testbed_shell.GetNodes( - {'hostname': slice_nodes_list}, - ['node_id', 'hostname', 'site', 'boot_state']) - nodeall_byhostname = dict([(one_node['hostname'], one_node) - for one_node in nodes_all]) - - for single_slice in slice_list: - #For compatibility - top_level_status = 'empty' - result = {} - result.fromkeys( - ['geni_urn', 'geni_error', 'iotlab_login', 'geni_status', - 'geni_resources'], None) - # result.fromkeys(\ - # ['geni_urn','geni_error', 'pl_login','geni_status', - # 'geni_resources'], None) - # result['pl_login'] = one_slice['reg_researchers'][0].hrn - result['iotlab_login'] = one_slice['user'] - logger.debug("Slabdriver - sliver_status Sliver status \ - urn %s hrn %s single_slice %s \r\n " - % (slice_urn, slice_hrn, single_slice)) - - if 'node_ids' not in single_slice: - #No job in the slice - result['geni_status'] = top_level_status - result['geni_resources'] = [] - return result - - top_level_status = 'ready' - - #A job is running on Iotlab for this slice - # report about the local nodes that are in the slice only - - result['geni_urn'] = slice_urn - - resources = [] - for node_hostname in single_slice['node_ids']: - res = {} - res['iotlab_hostname'] = node_hostname - res['iotlab_boot_state'] = \ - nodeall_byhostname[node_hostname]['boot_state'] - - #res['pl_hostname'] = node['hostname'] - #res['pl_boot_state'] = \ - #nodeall_byhostname[node['hostname']]['boot_state'] - #res['pl_last_contact'] = strftime(self.time_format, \ - #gmtime(float(timestamp))) - sliver_id = Xrn( - slice_urn, type='slice', - id=nodeall_byhostname[node_hostname]['node_id']).urn - - res['geni_urn'] = sliver_id - #node_name = node['hostname'] - if nodeall_byhostname[node_hostname]['boot_state'] == 'Alive': - - res['geni_status'] = 'ready' - else: - res['geni_status'] = 'failed' - top_level_status = 'failed' - - res['geni_error'] = '' - - resources.append(res) - - result['geni_status'] = top_level_status - result['geni_resources'] = resources - logger.debug("IOTLABDRIVER \tsliver_statusresources %s res %s " - % (resources, res)) - return result + def check_sliver_credentials(self, creds, urns): + """ Not used and need by SFA """ + pass - def get_user_record(self, hrn): - """ + # ####################################### + # ######### registry oriented + # ####################################### - Returns the user record based on the hrn from the SFA DB . + ########## + def register(self, sfa_record, hrn, pub_key): + logger.warning("iotlabdriver register : not implemented") + return -1 - :param hrn: user's hrn - :type hrn: string - :returns: user record from SFA database - :rtype: RegUser + def update(self, old_sfa_record, new_sfa_record, hrn, new_key): + logger.warning("iotlabdriver update : not implemented") + return True - """ - return self.api.dbsession().query(RegRecord).filter_by(hrn=hrn).first() + def remove(self, sfa_record): + logger.warning("iotlabdriver remove : not implemented") + return True - def testbed_name(self): - """ + # ####################################### + # ######### aggregate oriented + # ####################################### - Returns testbed's name. - :returns: testbed authority name. - :rtype: string + def provision(self, urns, options=None): + logger.warning("iotlabdriver provision : not implemented") + version_manager = VersionManager() + opt = options['geni_rspec_version'] + rspec_version = version_manager.get_version(opt) + return self.describe(urns, rspec_version, options=options) - """ - return self.hrn + def delete(self, urns, options=None): + logger.warning("iotlabdriver delete : not implemented") + geni_slivers = [] + return geni_slivers - # 'geni_request_rspec_versions' and 'geni_ad_rspec_versions' are mandatory def aggregate_version(self): - """ - - Returns the testbed's supported rspec advertisement and request - versions. - :returns: rspec versions supported ad a dictionary. - :rtype: dict - - """ version_manager = VersionManager() ad_rspec_versions = [] request_rspec_versions = [] @@ -342,647 +72,158 @@ class IotlabDriver(Driver): if rspec_version.content_type in ['*', 'request']: request_rspec_versions.append(rspec_version.to_dict()) return { - 'testbed': self.testbed_name(), + 'testbed': self.hrn, 'geni_request_rspec_versions': request_rspec_versions, 'geni_ad_rspec_versions': ad_rspec_versions} - def _get_requested_leases_list(self, rspec): - """ - Process leases in rspec depending on the rspec version (format) - type. Find the lease requests in the rspec and creates - a lease request list with the mandatory information ( nodes, - start time and duration) of the valid leases (duration above or - equal to the iotlab experiment minimum duration). - - :param rspec: rspec request received. - :type rspec: RSpec - :returns: list of lease requests found in the rspec - :rtype: list - """ - requested_lease_list = [] - for lease in rspec.version.get_leases(): - single_requested_lease = {} - logger.debug("IOTLABDRIVER.PY \t \ - _get_requested_leases_list lease %s " % (lease)) - - if not lease.get('lease_id'): - if get_authority(lease['component_id']) == \ - self.testbed_shell.root_auth: - single_requested_lease['hostname'] = \ - xrn_to_hostname(\ - lease.get('component_id').strip()) - single_requested_lease['start_time'] = \ - lease.get('start_time') - single_requested_lease['duration'] = lease.get('duration') - #Check the experiment's duration is valid before adding - #the lease to the requested leases list - duration_in_seconds = \ - int(single_requested_lease['duration']) - if duration_in_seconds >= self.testbed_shell.GetMinExperimentDurationInGranularity(): - requested_lease_list.append(single_requested_lease) - - return requested_lease_list - - @staticmethod - def _group_leases_by_start_time(requested_lease_list): - """ - Create dict of leases by start_time, regrouping nodes reserved - at the same time, for the same amount of time so as to - define one job on OAR. - - :param requested_lease_list: list of leases - :type requested_lease_list: list - :returns: Dictionary with key = start time, value = list of leases - with the same start time. - :rtype: dictionary - - """ - - requested_xp_dict = {} - for lease in requested_lease_list: - - #In case it is an asap experiment start_time is empty - if lease['start_time'] == '': - lease['start_time'] = '0' - - if lease['start_time'] not in requested_xp_dict: - if isinstance(lease['hostname'], str): - lease['hostname'] = [lease['hostname']] - - requested_xp_dict[lease['start_time']] = lease - - else: - job_lease = requested_xp_dict[lease['start_time']] - if lease['duration'] == job_lease['duration']: - job_lease['hostname'].append(lease['hostname']) - - return requested_xp_dict - - def _process_requested_xp_dict(self, rspec): - """ - Turns the requested leases and information into a dictionary - of requested jobs, grouped by starting time. - - :param rspec: RSpec received - :type rspec : RSpec - :rtype: dictionary - - """ - requested_lease_list = self._get_requested_leases_list(rspec) - logger.debug("IOTLABDRIVER _process_requested_xp_dict \ - requested_lease_list %s" % (requested_lease_list)) - xp_dict = self._group_leases_by_start_time(requested_lease_list) - logger.debug("IOTLABDRIVER _process_requested_xp_dict xp_dict\ - %s" % (xp_dict)) - - return xp_dict - - - def create_sliver(self, slice_urn, slice_hrn, creds, rspec_string, - users, options): - """Answer to CreateSliver. - - Creates the leases and slivers for the users from the information - found in the rspec string. - Launch experiment on OAR if the requested leases is valid. Delete - no longer requested leases. - - - :param creds: user's credentials - :type creds: string - :param users: user record list - :type users: list - :param options: - :type options: - - :returns: a valid Rspec for the slice which has just been - modified. - :rtype: RSpec - - - """ - aggregate = IotlabAggregate(self) - - slices = IotlabSlices(self) - peer = slices.get_peer(slice_hrn) - sfa_peer = slices.get_sfa_peer(slice_hrn) - slice_record = None - - if not isinstance(creds, list): - creds = [creds] - - if users: - slice_record = users[0].get('slice_record', {}) - logger.debug("IOTLABDRIVER.PY \t ===============create_sliver \t\ - creds %s \r\n \r\n users %s" - % (creds, users)) - slice_record['user'] = {'keys': users[0]['keys'], - 'email': users[0]['email'], - 'hrn': slice_record['reg-researchers'][0]} - # parse rspec - rspec = RSpec(rspec_string) - logger.debug("IOTLABDRIVER.PY \t create_sliver \trspec.version \ - %s slice_record %s users %s" - % (rspec.version, slice_record, users)) - - # ensure site record exists? - # ensure slice record exists - #Removed options in verify_slice SA 14/08/12 - #Removed peer record in verify_slice SA 18/07/13 - sfa_slice = slices.verify_slice(slice_hrn, slice_record, sfa_peer) - - # ensure person records exists - #verify_persons returns added persons but the return value - #is not used - #Removed peer record and sfa_peer in verify_persons SA 18/07/13 - slices.verify_persons(slice_hrn, sfa_slice, users, options=options) - #requested_attributes returned by rspec.version.get_slice_attributes() - #unused, removed SA 13/08/12 - #rspec.version.get_slice_attributes() - - logger.debug("IOTLABDRIVER.PY create_sliver slice %s " % (sfa_slice)) - - # add/remove slice from nodes - - #requested_slivers = [node.get('component_id') \ - #for node in rspec.version.get_nodes_with_slivers()\ - #if node.get('authority_id') is self.testbed_shell.root_auth] - #l = [ node for node in rspec.version.get_nodes_with_slivers() ] - #logger.debug("SLADRIVER \tcreate_sliver requested_slivers \ - #requested_slivers %s listnodes %s" \ - #%(requested_slivers,l)) - #verify_slice_nodes returns nodes, but unused here. Removed SA 13/08/12. - #slices.verify_slice_nodes(sfa_slice, requested_slivers, peer) - - requested_xp_dict = self._process_requested_xp_dict(rspec) - - logger.debug("IOTLABDRIVER.PY \tcreate_sliver requested_xp_dict %s " - % (requested_xp_dict)) - #verify_slice_leases returns the leases , but the return value is unused - #here. Removed SA 13/08/12 - slices.verify_slice_leases(sfa_slice, - requested_xp_dict, peer) - - return aggregate.get_rspec(slice_xrn=slice_urn, - login=sfa_slice['login'], - version=rspec.version) - - def delete(self, slice_urns, options): - """ - Deletes the lease associated with the slice hrn and the credentials - if the slice belongs to iotlab. Answer to DeleteSliver. - - :param slice_urn: urn of the slice - :type slice_urn: string - - - :returns: 1 if the slice to delete was not found on iotlab, - True if the deletion was successful, False otherwise otherwise. - - .. note:: Should really be named delete_leases because iotlab does - not have any slivers, but only deals with leases. However, - SFA api only have delete_sliver define so far. SA 13/05/2013 - .. note:: creds are unused, and are not used either in the dummy driver - delete_sliver . - """ - # collect sliver ids so we can update sliver allocation states after - # we remove the slivers. - aggregate = IotlabAggregate(self) - slivers = aggregate.get_slivers(slice_urns) - if slivers: - slice_id = slivers[0]['slice_id'] - node_ids = [] - sliver_ids = [] - for sliver in slivers: - node_ids.append(sliver['node_id']) - sliver_ids.append(sliver['sliver_id']) - logger.debug("IOTLABDRIVER.PY delete_sliver slivers %s slice_urns %s" - % (slivers, slice_urns)) - slice_hrn = urn_to_hrn(slice_urns[0])[0] - - sfa_slice_list = self.testbed_shell.GetSlices( - slice_filter=slice_hrn, - slice_filter_type='slice_hrn') - - if not sfa_slice_list: - return 1 - - #Delete all leases in the slice - for sfa_slice in sfa_slice_list: - logger.debug("IOTLABDRIVER.PY delete_sliver slice %s" % (sfa_slice)) - slices = IotlabSlices(self) - # determine if this is a peer slice - - peer = slices.get_peer(slice_hrn) - - logger.debug("IOTLABDRIVER.PY delete_sliver peer %s \ - \r\n \t sfa_slice %s " % (peer, sfa_slice)) - try: - self.testbed_shell.DeleteSliceFromNodes(sfa_slice) - dbsession = self.api.dbsession() - SliverAllocation.delete_allocations(sliver_ids,dbsession) - except: - logger.log_exc("IOTLABDRIVER.PY delete error ") - - # prepare return struct - geni_slivers = [] - for sliver in slivers: - geni_slivers.append( - {'geni_sliver_urn': sliver['sliver_id'], - 'geni_allocation_status': 'geni_unallocated', - 'geni_expires': datetime_to_string(utcparse(sliver['expires']))}) - return geni_slivers - - def list_resources (self, slice_urn, slice_hrn, creds, options): - """ - - List resources from the iotlab aggregate and returns a Rspec - advertisement with resources found when slice_urn and slice_hrn are - None (in case of resource discovery). - If a slice hrn and urn are provided, list experiment's slice - nodes in a rspec format. Answer to ListResources. - Caching unused. - - :param slice_urn: urn of the slice - :param slice_hrn: name of the slice - :param creds: slice credenials - :type slice_urn: string - :type slice_hrn: string - :type creds: ? unused - :param options: options used when listing resources (list_leases, info, - geni_available) - :returns: rspec string in xml - :rtype: string - - .. note:: creds are unused - """ - - #cached_requested = options.get('cached', True) - - 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) - - #panos adding the info option to the caching key (can be improved) - if options.get('info'): - version_string = version_string + "_" + \ - options.get('info', 'default') - - # Adding the list_leases option to the caching key - if options.get('list_leases'): - version_string = version_string + "_" + \ - options.get('list_leases', 'default') - - # Adding geni_available to caching key - if options.get('geni_available'): - version_string = version_string + "_" + \ - str(options.get('geni_available')) - - # look in cache first - #if cached_requested and self.cache and not slice_hrn: - #rspec = self.cache.get(version_string) - #if rspec: - #logger.debug("IotlabDriver.ListResources: \ - #returning cached advertisement") - #return rspec - - #panos: passing user-defined options - aggregate = IotlabAggregate(self) - - rspec = aggregate.get_rspec(slice_xrn=slice_urn, - version=rspec_version, options=options) - - # cache the result - #if self.cache and not slice_hrn: - #logger.debug("Iotlab.ListResources: stores advertisement in cache") - #self.cache.add(version_string, rspec) - - return rspec - - - def list_slices(self, creds, options): - """Answer to ListSlices. - - List slices belonging to iotlab, returns slice urns list. - No caching used. Options unused but are defined in the SFA method - api prototype. - - :returns: slice urns list - :rtype: list - - .. note:: creds are unused - """ - # look in cache first - #if self.cache: - #slices = self.cache.get('slices') - #if slices: - #logger.debug("PlDriver.list_slices returns from cache") - #return slices - - # get data from db - - slices = self.testbed_shell.GetSlices() - logger.debug("IOTLABDRIVER.PY \tlist_slices hrn %s \r\n \r\n" - % (slices)) - slice_hrns = [iotlab_slice['hrn'] for iotlab_slice in slices] - - slice_urns = [hrn_to_urn(slice_hrn, 'slice') - for slice_hrn in slice_hrns] - - # cache the result - #if self.cache: - #logger.debug ("IotlabDriver.list_slices stores value in cache") - #self.cache.add('slices', slice_urns) - - return slice_urns - - - def register(self, sfa_record, hrn, pub_key): - """ - Adding new user, slice, node or site should not be handled - by SFA. - - ..warnings:: should not be used. Different components are in charge of - doing this task. Adding nodes = OAR - Adding users = LDAP Iotlab - Adding slice = Import from LDAP users - Adding site = OAR - - :param sfa_record: record provided by the client of the - Register API call. - :type sfa_record: dict - :param pub_key: public key of the user - :type pub_key: string - - .. note:: DOES NOTHING. Returns -1. - - """ - return -1 - - - def update(self, old_sfa_record, new_sfa_record, hrn, new_key): - """ - No site or node record update allowed in Iotlab. The only modifications - authorized here are key deletion/addition on an existing user and - password change. On an existing user, CAN NOT BE MODIFIED: 'first_name', - 'last_name', 'email'. DOES NOT EXIST IN SENSLAB: 'phone', 'url', 'bio', - 'title', 'accepted_aup'. A slice is bound to its user, so modifying the - user's ssh key should nmodify the slice's GID after an import procedure. - - :param old_sfa_record: what is in the db for this hrn - :param new_sfa_record: what was passed to the update call - :param new_key: the new user's public key - :param hrn: the user's sfa hrn - :type old_sfa_record: dict - :type new_sfa_record: dict - :type new_key: string - :type hrn: string - - TODO: needs review - .. seealso:: update in driver.py. - - """ - pointer = old_sfa_record['pointer'] - old_sfa_record_type = old_sfa_record['type'] - - # new_key implemented for users only - if new_key and old_sfa_record_type not in ['user']: - raise UnknownSfaType(old_sfa_record_type) - - if old_sfa_record_type == "user": - update_fields = {} - all_fields = new_sfa_record - for key in all_fields.keys(): - if key in ['key', 'password']: - update_fields[key] = all_fields[key] - - if new_key: - # must check this key against the previous one if it exists - persons = self.testbed_shell.GetPersons([old_sfa_record]) - person = persons[0] - keys = [person['pkey']] - #Get all the person's keys - keys_dict = self.testbed_shell.GetKeys(keys) - - # Delete all stale keys, meaning the user has only one key - #at a time - #TODO: do we really want to delete all the other keys? - #Is this a problem with the GID generation to have multiple - #keys? SA 30/05/13 - key_exists = False - if key in keys_dict: - key_exists = True - else: - #remove all the other keys - for key in keys_dict: - self.testbed_shell.DeleteKey(person, key) - self.testbed_shell.AddPersonKey( - person, {'sshPublicKey': person['pkey']}, - {'sshPublicKey': new_key}) - return True - - def remove(self, sfa_record): - """ - - Removes users only. Mark the user as disabled in LDAP. The user and his - slice are then deleted from the db by running an import on the registry. - - :param sfa_record: record is the existing sfa record in the db - :type sfa_record: dict - - ..warning::As fas as the slice is concerned, here only the leases are - removed from the slice. The slice is record itself is not removed - from the db. - - TODO: needs review - - TODO : REMOVE SLICE FROM THE DB AS WELL? SA 14/05/2013, - - TODO: return boolean for the slice part - """ - sfa_record_type = sfa_record['type'] - hrn = sfa_record['hrn'] - if sfa_record_type == 'user': - - #get user from iotlab ldap - person = self.testbed_shell.GetPersons(sfa_record) - #No registering at a given site in Iotlab. - #Once registered to the LDAP, all iotlab sites are - #accesible. - if person: - #Mark account as disabled in ldap - return self.testbed_shell.DeletePerson(sfa_record) - - elif sfa_record_type == 'slice': - if self.testbed_shell.GetSlices(slice_filter=hrn, - slice_filter_type='slice_hrn'): - ret = self.testbed_shell.DeleteSlice(sfa_record) - return True - - def check_sliver_credentials(self, creds, urns): - # build list of cred object hrns - slice_cred_names = [] - for cred in creds: - slice_cred_hrn = Credential(cred=cred).get_gid_object().get_hrn() - slicename = Xrn(xrn=slice_cred_hrn).iotlab_slicename() - logger.debug("IOTLABDRIVER.PY \t check_sliver_credentials slicename %s \r\n \r\n" - % (slicename)) - slice_cred_names.append(slicename) - - # look up slice name of slivers listed in urns arg - - slice_ids = [] - for urn in urns: - sliver_id_parts = Xrn(xrn=urn).get_sliver_id_parts() - try: - slice_ids.append(int(sliver_id_parts[0])) - except ValueError: - pass - - if not slice_ids: - raise Forbidden("sliver urn not provided") - - slices = self.testbed_shell.GetSlices(slice_ids) - sliver_names = [single_slice['name'] for single_slice in slices] - - # make sure we have a credential for every specified sliver ierd - for sliver_name in sliver_names: - if sliver_name not in slice_cred_names: - msg = "Valid credential not found for target: %s" % sliver_name - raise Forbidden(msg) - - ######################################## - ########## aggregate oriented - ######################################## - - - def testbed_name (self): return "iotlab" - - def aggregate_version (self): - return {} - - # first 2 args are None in case of resource discovery - def list_resources (self, version=None, options={}): - aggregate = IotlabAggregate(self) - rspec = aggregate.list_resources(version=version, options=options) + def list_resources(self, version=None, options=None): + logger.warning("iotlabdriver list_resources") + if not options: + options = {} + aggregate = IotLABAggregate(self) + rspec = aggregate.list_resources(version=version, options=options) return rspec - def describe(self, urns, version, options={}): - aggregate = IotlabAggregate(self) + def describe(self, urns, version, options=None): + logger.warning("iotlabdriver describe") + if not options: + options = {} + aggregate = IotLABAggregate(self) return aggregate.describe(urns, version=version, options=options) - def status (self, urns, options={}): - aggregate = IotlabAggregate(self) - desc = aggregate.describe(urns, version='GENI 3') + def status(self, urns, options=None): + logger.warning("iotlabdriver status") + aggregate = IotLABAggregate(self) + desc = aggregate.describe(urns, version='GENI 3') status = {'geni_urn': desc['geni_urn'], 'geni_slivers': desc['geni_slivers']} return status - - def allocate (self, urn, rspec_string, expiration, options={}): + def _get_users(self, email=None): + """ Get all users """ + ret = self.shell.get_users(email) + if 'error' in ret: + return None + return ret + + def _get_user_login(self, caller_user): + """ Get user login with email """ + email = caller_user['email'] + # ensure user exist in LDAP tree + users = self._get_users(email) + if email not in users: + self.shell.add_user(caller_user) + users = self._get_users(email) + if users and email in users: + return users[email]['login'] + else: + return None + + @classmethod + def _get_experiment(cls, rspec): + """ + Find in RSpec leases the experiment start time, duration and nodes + list. + + :Example: + + ... + + + + + + + ... + + """ + leases = rspec.version.get_leases() + start_time = min([int(lease['start_time']) + for lease in leases]) + # ASAP jobs + if start_time == 0: + start_time = None + duration = max([int(lease['duration']) + for lease in leases]) + # schedule jobs + else: + end_time = max([int(lease['start_time']) + + int(lease['duration']) * 60 + for lease in leases]) + from math import floor + # minutes + duration = floor((end_time - start_time) / 60) + nodes_list = [Xrn.unescape(Xrn(lease['component_id'].strip(), + type='node').get_leaf()) + for lease in leases] + # uniq hostnames + nodes_list = list(set(nodes_list)) + return nodes_list, start_time, duration + + def _save_db_lease(self, job_id, slice_hrn): + """ Save lease table row in SFA database """ + lease_row = LeaseTable(job_id, + slice_hrn) + logger.warning("iotlabdriver _save_db_lease lease row : %s" % + lease_row) + self.api.dbsession().add(lease_row) + self.api.dbsession().commit() + + def allocate(self, urn, rspec_string, expiration, options=None): + """ + Allocate method submit an experiment on Iot-LAB testbed with : + * user : get the slice user which launch request (caller_hrn) + * reservation : get the start time and duration in RSpec leases + * nodes : get the nodes list in RSpec leases + If we have a request success on Iot-LAB testbed we store in SFA + database the assocation OAR scheduler job id and slice hrn + + :param urn : slice urn + :param rspec_string : RSpec received + :param options : options with slice users (geni_users) + """ + # pylint:disable=R0914 + + logger.warning("iotlabdriver allocate") xrn = Xrn(urn) - aggregate = IotlabAggregate(self) - - slices = IotlabSlices(self) - peer = slices.get_peer(xrn.get_hrn()) - sfa_peer = slices.get_sfa_peer(xrn.get_hrn()) - - - slice_record = None - users = options.get('geni_users', []) - - sfa_users = options.get('sfa_users', []) - if sfa_users: - slice_record = sfa_users[0].get('slice_record', []) - logger.debug("IOTLABDRIVER.PY \t ===============allocate \t\ - \r\n \r\n options %s slice_record %s" % (options,slice_record)) + aggregate = IotLABAggregate(self) # parse rspec rspec = RSpec(rspec_string) - # requested_attributes = rspec.version.get_slice_attributes() - - # ensure site record exists - # site = slices.verify_site(xrn.hrn, slice_record, peer, sfa_peer, options=options) - # ensure slice record exists - - current_slice = slices.verify_slice(xrn.hrn, slice_record, sfa_peer) - logger.debug("IOTLABDRIVER.PY \t ===============allocate \t\ - \r\n \r\n current_slice %s" % (current_slice)) - # ensure person records exists - - # oui c'est degueulasse, le slice_record se retrouve modifie - # dans la methode avec les infos du user, els infos sont propagees - # dans verify_slice_leases - persons = slices.verify_persons(xrn.hrn, slice_record, users, options=options) - # ensure slice attributes exists - # slices.verify_slice_attributes(slice, requested_attributes, options=options) - - # add/remove slice from nodes - requested_xp_dict = self._process_requested_xp_dict(rspec) - - logger.debug("IOTLABDRIVER.PY \tallocate requested_xp_dict %s " - % (requested_xp_dict)) - request_nodes = rspec.version.get_nodes_with_slivers() - nodes_list = [] - for start_time in requested_xp_dict: - lease = requested_xp_dict[start_time] - for hostname in lease['hostname']: - nodes_list.append(hostname) - - # nodes = slices.verify_slice_nodes(slice_record,request_nodes, peer) - logger.debug("IOTLABDRIVER.PY \tallocate nodes_list %s slice_record %s" - % (nodes_list, slice_record)) - - # add/remove leases - rspec_requested_leases = rspec.version.get_leases() - leases = slices.verify_slice_leases(slice_record, requested_xp_dict, peer) - logger.debug("IOTLABDRIVER.PY \tallocate leases %s rspec_requested_leases %s" - % (leases,rspec_requested_leases)) - # update sliver allocations - for hostname in nodes_list: - client_id = hostname - node_urn = xrn_object(self.testbed_shell.root_auth, hostname).urn - component_id = node_urn - slice_urn = current_slice['reg-urn'] - for lease in leases: - if hostname in lease['reserved_nodes']: - index = lease['reserved_nodes'].index(hostname) - sliver_hrn = '%s.%s-%s' % (self.hrn, lease['lease_id'], - lease['resource_ids'][index] ) - sliver_id = Xrn(sliver_hrn, type='sliver').urn - record = SliverAllocation(sliver_id=sliver_id, client_id=client_id, - component_id=component_id, - slice_urn = slice_urn, - allocation_state='geni_allocated') - - logger.debug("\r\n \ - ===============================IOTLABDRIVER.PY \tallocate sliver_id %s slice_urn %s \r\n" - % (sliver_id,slice_urn)) - record.sync(self.api.dbsession()) - # add/remove links links - # slices.verify_slice_links(slice, rspec.version.get_link_requests(), nodes) - + logger.warning(options) + caller_hrn = options.get('actual_caller_hrn', []) + geni_users = options.get('geni_users', []) + caller_user = [user for user in geni_users if + urn_to_hrn(user['urn'])[0] == caller_hrn][0] + logger.warning("iotlabdriver allocate caller : %s" % + caller_user['email']) + + login = self._get_user_login(caller_user) + # only if we have a user + if login: + nodes_list, start_time, duration = \ + self._get_experiment(rspec) + # [0-9A-Za-z_] with onelab.inria.test_iotlab + exp_name = '_'.join((xrn.hrn.replace('\\.','')).split('.')) + logger.warning("iotlabdriver allocate submit OAR job :" + " %s %s %s %s" % + (exp_name, start_time, duration, nodes_list)) + + # submit OAR job + ret = self.shell.reserve_nodes(login, + exp_name, + nodes_list, + start_time, + duration) + + # in case of job submission success save slice and lease job + # id association in database + if 'id' in ret: + self._save_db_lease(int(ret['id']), + xrn.hrn) return aggregate.describe([xrn.get_urn()], version=rspec.version) - - def provision(self, urns, options={}): - # update users - slices = IotlabSlices(self) - aggregate = IotlabAggregate(self) - slivers = aggregate.get_slivers(urns) - current_slice = slivers[0] - peer = slices.get_peer(current_slice['hrn']) - sfa_peer = slices.get_sfa_peer(current_slice['hrn']) - users = options.get('geni_users', []) - # persons = slices.verify_persons(current_slice['hrn'], - # current_slice, users, peer, sfa_peer, options=options) - # slices.handle_peer(None, None, persons, peer) - # update sliver allocation states and set them to geni_provisioned - sliver_ids = [sliver['sliver_id'] for sliver in slivers] - dbsession =self.api.dbsession() - SliverAllocation.set_allocations(sliver_ids, 'geni_provisioned',dbsession) - version_manager = VersionManager() - rspec_version = version_manager.get_version(options['geni_rspec_version']) - return self.describe(urns, rspec_version, options=options)