-"""
-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
+# -*- 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.util.xrn import Xrn, hrn_to_urn, get_authority
-
-from sfa.iotlab.iotlabaggregate import IotlabAggregate
-from sfa.iotlab.iotlabxrn import xrn_to_hostname
-from sfa.iotlab.iotlabslices import IotlabSlices
-
-
-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 = []
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_sliver(self, slice_urn, slice_hrn, creds, 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
- :param slice_hrn: name of the slice
- :param creds: slice credenials
- :type slice_urn: string
- :type slice_hrn: string
- :type creds: ? unused
-
- :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 .
- """
-
- 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)
- return True
- except:
- return False
-
- 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)
-
+ 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 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)
- 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:
+ <rspec>
+ ...
+ <lease slice_id="urn:publicid:IDN+onelab:inria+slice+test_iotlab"
+ start_time="1427792400" duration="30">
+ <node component_id=
+ "urn:publicid:IDN+iotlab+node+m3-10.grenoble.iot-lab.info"/>
+ </lease>
+ <lease slice_id="urn:publicid:IDN+onelab:inria+slice+test_iotlab"
+ start_time="1427792600" duration="50">
+ <node component_id=
+ "urn:publicid:IDN+iotlab+node+m3-15.grenoble.iot-lab.info"/>
+ </lease>
+ ...
+ </rspec>
+ """
+ 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', [])
- if users:
- slice_record = users[0].get('slice_record', {})
- logger.debug("IOTLABDRIVER.PY \t ===============allocatte \t\
- \r\n \r\n users %s" % (users))
+ 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, peer, sfa_peer, expiration=expiration, options=options)
- # ensure person records exists
- persons = slices.verify_persons(xrn.hrn, slice, users, peer, sfa_peer, 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 \tcreate_sliver requested_xp_dict %s "
- % (requested_xp_dict))
- # request_nodes = rspec.version.get_nodes_with_slivers()
- # nodes = slices.verify_slice_nodes(urn, slice, request_nodes, peer)
-
- # add/remove links links
- # slices.verify_slice_links(slice, rspec.version.get_link_requests(), nodes)
-
- # add/remove leases
- # rspec_requested_leases = rspec.version.get_leases()
- leases = slices.verify_slice_leases(current_slice, requested_xp_dict, peer)
-
- # handle MyPLC peer association.
- # only used by plc and ple.
- slices.handle_peer(site, slice, None, peer)
+ 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)
git://git.onelab.eu / sfa.git / blobdiff