def delete(self, urns, client_cert, credentials, best_effort):
"""
Deletes the requested resources, identified each by an URN.
When best_effort is enabled, deletion 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 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("best_effort=%s" % (best_effort,))
route = db_sync_manager.get_slice_routing_keys(urns)
logger.debug("Route=%s" % (route,))
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_delete(
peer, v, credentials, best_effort)
logger.debug("slivers=%s" % (slivers,))
ro_slivers.extend(slivers)
db_urns = []
for s in ro_slivers:
s["geni_expires"] = dates.rfc3339_to_datetime(s["geni_expires"])
db_urns.append(s.get("geni_sliver_urn"))
logger.debug("RO-Slivers(%d)=%s, DB-URNs(%d)=%s" %
(len(ro_slivers), ro_slivers, len(db_urns), db_urns))
# update MS to stop slice-monitoring collection
slice_urn = db_sync_manager.get_slice_urn(urns)
if slice_urn:
try:
# MS needs to be sent the whole slice data in order to
# delete it
slice_monitor = SliceMonitoring()
slice_monitor.delete_slice_topology(slice_urn)
except Exception as e:
logger.warning("Delegate could not send slice monitoring" +
" information upon Delete. Details: %s", (e,))
db_sync_manager.delete_slice_sdn(slice_urn)
db_sync_manager.delete_slice_urns(db_urns)
self.__schedule_tnres_update(
tn_resource_refresh, 1, "oneshot_tn_resource_refresh")
return ro_slivers
def delete(self, urns, client_cert, credentials, best_effort):
"""
Deletes the requested resources, identified each by an URN.
When best_effort is enabled, deletion 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 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("best_effort=%s" % (best_effort, ))
route = db_sync_manager.get_slice_routing_keys(urns)
logger.debug("Route=%s" % (route, ))
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_delete(peer, v, credentials,
best_effort)
logger.debug("slivers=%s" % (slivers, ))
ro_slivers.extend(slivers)
db_urns = []
for s in ro_slivers:
s["geni_expires"] = dates.rfc3339_to_datetime(s["geni_expires"])
db_urns.append(s.get("geni_sliver_urn"))
logger.debug("RO-Slivers(%d)=%s, DB-URNs(%d)=%s" %
(len(ro_slivers), ro_slivers, len(db_urns), db_urns))
# update MS to stop slice-monitoring collection
slice_urn = db_sync_manager.get_slice_urn(urns)
if slice_urn:
try:
# MS needs to be sent the whole slice data in order to
# delete it
slice_monitor = SliceMonitoring()
slice_monitor.delete_slice_topology(slice_urn)
except Exception as e:
logger.warning(
"Delegate could not send slice monitoring" +
" information upon Delete. Details: %s", (e, ))
db_sync_manager.delete_slice_sdn(slice_urn)
db_sync_manager.delete_slice_urns(db_urns)
return ro_slivers
def slice_expiration(urns):
logger.info("slice expiration timeout: %s" % (urns, ))
ro_slivers = []
route = db_sync_manager.get_slice_routing_keys(urns)
logger.debug("Route=%s" % (route, ))
for r, v in route.iteritems():
peer = db_sync_manager.get_configured_peer_by_routing_key(r)
logger.debug("peer=%s" % (peer, ))
adaptor = AdaptorFactory.create_from_db(peer)
geni_v3_creds = AdaptorFactory.geni_v3_credentials()
of_slivers = adaptor.delete(urns, geni_v3_creds, False)
logger.debug("of_s=%s" % (of_slivers, ))
ro_slivers.extend(of_slivers)
db_urns = [s.get("geni_sliver_urn") for s in ro_slivers]
logger.debug("RO-Slivers=%s, DB-URNs=%s" % (ro_slivers, db_urns))
db_sync_manager.delete_slice_urns(db_urns)
def slice_expiration(urns):
logger.info("slice expiration timeout: %s" % (urns, ))
ro_slivers = []
route = db_sync_manager.get_slice_routing_keys(urns)
logger.debug("Route=%s" % (route, ))
for r, v in route.iteritems():
peer = db_sync_manager.get_configured_peer_by_routing_key(r)
logger.debug("peer=%s" % (peer, ))
adaptor = AdaptorFactory.create_from_db(peer)
geni_v3_creds = AdaptorFactory.geni_v3_credentials()
of_slivers = adaptor.delete(urns, geni_v3_creds, False)
logger.debug("of_s=%s" % (of_slivers, ))
ro_slivers.extend(of_slivers)
db_urns = [s.get("geni_sliver_urn") for s in ro_slivers]
logger.debug("RO-Slivers=%s, DB-URNs=%s" % (ro_slivers, db_urns))
db_sync_manager.delete_slice_urns(db_urns)
