def Provision(self, urns, credentials, options):
geni_best_effort = self._option(options, "geni_best_effort", ret=True)
geni_users = self._option(options, "geni_users", ret=[])
# Expiration in credentials
expiration = geni_creds.get_cred_exp(logger, credentials[0]["geni_value"])
# Expiration in slice
slice_resources = db_sync_manager.get_slices(urns[0])
# Convert expiration date in slice credential to expected datetime format
try:
# Expiration in slice (from Allocate reservation)
expiration = slice_resources["slivers"]["geni_expires"]
expiration = dates.rfc3339_to_datetime(expiration)
expiration = dates.datetime_to_rfc3339(expiration)
except:
pass
if "geni_end_time" in options:
expiration = max(expiration, dates.rfc3339_to_datetime(options["geni_end_time"]))
# TODO check the end_time against the duration of the credential
try:
self._checkRSpecVersion(options["geni_rspec_version"])
r_rspec, r_sliver_list = self._delegate.provision(
urns, self.requestCertificate(), credentials, geni_best_effort,
expiration, geni_users)
result = {"geni_rspec": r_rspec,
"geni_slivers": self._convertExpiresDate(r_sliver_list)}
except Exception as e:
return self._errorReturn(e)
return self._successReturn(result)
def _convertExpiresDate(self, sliver_list):
for slhash in sliver_list:
if slhash["geni_expires"] is None:
continue
if not dates.is_date_or_rfc3339(slhash["geni_expires"]):
raise ValueError("Given geni_expires in sliver_list hash " +
"retrieved from delegate's method is not " +
"a python datetime object.")
# If date received is "datetime.datetime", convert to rfc3339
if dates.is_date(slhash["geni_expires"]):
slhash["geni_expires"] =\
dates.datetime_to_rfc3339(slhash["geni_expires"])
return sliver_list
def format_options(self, available=None, compress=None, end_time=None, best_effort=None, users=[]):
options = {"geni_rspec_version": {"type": "geni", "version": 3}}
if available:
options["geni_available"] = available
if compress:
options["geni_compress"] = compress
if end_time:
# Convert to rfc3339 prior to sending
options["geni_end_time"] = dates.datetime_to_rfc3339(end_time)
if best_effort:
options["geni_best_effort"] = best_effort
if users:
options["geni_users"] = users
return options
def renew(self, urns, client_cert, credentials, expiration_time,
best_effort):
"""Documentation see [geniv3rpc] GENIv3DelegateBase."""
"""
Renews the sliver(s) requested to a given date, passed by the user.
The new expiration date for the sliver(s) must be less or equal to the
expiration date of the user's credential.
When best_effort is enabled, renewal will be attempted on every
resource.
@param urns list of URNs with the identifiers of the resources
to be treated
@param client_cert client certificate (X509)
@param credentials client credential(s), provided by the ClearingHouse
and generated after the certificates
@param expiration_time new expiration date for the selected sliver(s).
Must comply to rfr3339 format
@param best_effort flag to describe the behaviour upon a failure
* best_effort = True : as much operations as possible are
performed upon an error condition
* best_effort = False : the set of operations will be stopped
if an error occurs
@return ro_slivers structure containing information of slivers
(URN, expiration date, etc)
"""
ro_slivers = []
logger.info("expiration_time=%s, best_effort=%s" % (
expiration_time,
best_effort,
))
route = db_sync_manager.get_slice_routing_keys(urns)
logger.debug("Route=%s" % (route, ))
etime_str = dates.datetime_to_rfc3339(expiration_time)
for r, v in route.iteritems():
peer = db_sync_manager.get_configured_peer_by_routing_key(r)
logger.debug("peer=%s" % (peer, ))
if peer.get("type") in self._allowed_peers.values():
slivers = CommonUtils.manage_renew(peer, v, credentials,
etime_str, best_effort)
logger.debug("slivers=%s" % (slivers, ))
ro_slivers.extend(slivers)
ro_slivers = CommonUtils.convert_sliver_dates_to_datetime(ro_slivers)
return ro_slivers
def format_options(self, available=None, compress=None, end_time=None,
best_effort=None, users=[]):
options = {"geni_rspec_version": {"type": "geni",
"version": 3, }}
if available:
options["geni_available"] = available
if compress:
options["geni_compress"] = compress
if end_time:
# Convert to rfc3339 prior to sending
options["geni_end_time"] = dates.datetime_to_rfc3339(end_time)
if best_effort:
options["geni_best_effort"] = best_effort
if users:
options["geni_users"] = users
return options
def renew(self, urns, client_cert, credentials, expiration_time,
best_effort):
"""Documentation see [geniv3rpc] GENIv3DelegateBase."""
"""
Renews the sliver(s) requested to a given date, passed by the user.
The new expiration date for the sliver(s) must be less or equal to the
expiration date of the user's credential.
When best_effort is enabled, renewal will be attempted on every
resource.
@param urns list of URNs with the identifiers of the resources
to be treated
@param client_cert client certificate (X509)
@param credentials client credential(s), provided by the ClearingHouse
and generated after the certificates
@param expiration_time new expiration date for the selected sliver(s).
Must comply to rfr3339 format
@param best_effort flag to describe the behaviour upon a failure
* best_effort = True : as much operations as possible are
performed upon an error condition
* best_effort = False : the set of operations will be stopped
if an error occurs
@return ro_slivers structure containing information of slivers
(URN, expiration date, etc)
"""
ro_slivers = []
logger.info("expiration_time=%s, best_effort=%s" % (
expiration_time, best_effort,))
route = db_sync_manager.get_slice_routing_keys(urns)
logger.debug("Route=%s" % (route,))
etime_str = dates.datetime_to_rfc3339(expiration_time)
for r, v in route.iteritems():
peer = db_sync_manager.get_configured_peer_by_routing_key(r)
logger.debug("peer=%s" % (peer,))
if peer.get("type") in self._allowed_peers.values():
slivers = CommonUtils.manage_renew(
peer, v, credentials, etime_str, best_effort)
logger.debug("slivers=%s" % (slivers,))
ro_slivers.extend(slivers)
ro_slivers = CommonUtils.convert_sliver_dates_to_datetime(ro_slivers)
return ro_slivers
def _convertExpiresDate(self, sliver_list):
"""
Converts datetime objects received from the delegate into strings.
This is the expected returned type for the 'geni_expires' value.
"""
for slhash in sliver_list:
if slhash["geni_expires"] is None:
continue
if not dates.is_date_or_rfc3339(slhash["geni_expires"]):
raise ValueError("Given geni_expires in sliver_list hash " +
"retrieved from delegate's method is not " +
"a python datetime object.")
# If date received is "datetime.datetime", convert to rfc3339
if dates.is_date(slhash["geni_expires"]):
slhash["geni_expires"] =\
dates.datetime_to_rfc3339(slhash["geni_expires"])
return sliver_list
def _convertExpiresDate(self, sliver_list):
"""
Converts datetime objects received from the delegate into strings.
This is the expected returned type for the 'geni_expires' value.
"""
for slhash in sliver_list:
if slhash["geni_expires"] is None:
continue
if not dates.is_date_or_rfc3339(slhash["geni_expires"]):
raise ValueError("Given geni_expires in sliver_list hash " +
"retrieved from delegate's method is not " +
"a python datetime object.")
# If date received is "datetime.datetime", convert to rfc3339
if dates.is_date(slhash["geni_expires"]):
slhash["geni_expires"] =\
dates.datetime_to_rfc3339(slhash["geni_expires"])
return sliver_list
