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 provision(self, urns, client_cert, credentials, best_effort, end_time,
geni_users):
"""Documentation see [geniv3rpc] GENIv3DelegateBase.
{geni_users} is relevant here."""
ro_manifest, ro_slivers = ROManifestFormatter(), []
client_urn = CommonUtils.fetch_user_name_from_geni_users(geni_users)
slice_urn = db_sync_manager.get_slice_urn(urns)
slice_monitor = None
try:
slice_monitor = SliceMonitoring()
slice_monitor.add_topology(slice_urn, SliceMonitoring.PROVISIONED,
client_urn)
except Exception as e:
logger.warning(
"Delegate could not send Provision trigger" +
" to MS. Details: %s", (e, ))
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") == self._allowed_peers.get("PEER_CRM"):
com_m_info, com_slivers = COMUtils().manage_provision(
peer, v, credentials, best_effort, end_time, geni_users)
logger.debug("com_m=%s, com_s=%s" % (
com_m_info,
com_slivers,
))
for n in com_m_info.get("nodes"):
ro_manifest.com_node(n)
ro_slivers.extend(com_slivers)
# introduce slice-monitoring info for C resources
try:
slice_monitor.add_c_resources(slice_urn,
com_m_info.get("nodes"))
except Exception as e:
logger.warning(
"Delegate could not monitor COM resources" +
" upon Provision. Details: %s", (e, ))
elif peer.get("type") == self._allowed_peers.get("PEER_SDNRM"):
of_m_info, of_slivers = SDNUtils().manage_provision(
peer, v, credentials, best_effort, end_time, geni_users)
logger.debug("of_m=%s, of_s=%s" % (
of_m_info,
of_slivers,
))
for s in of_m_info.get("slivers"):
ro_manifest.of_sliver(s)
ro_slivers.extend(of_slivers)
# introduce slice-monitoring info for SDN resources
try:
slice_monitor.add_sdn_resources(slice_urn,
of_m_info.get("slivers"))
except Exception as e:
logger.warning(
"Delegate could not monitor SDN resources" +
" upon Provision. Details: %s", (e, ))
elif peer.get("type") == self._allowed_peers.get("PEER_TNRM"):
tn_m_info, tn_slivers = TNUtils().manage_provision(
peer, v, credentials, best_effort, end_time, geni_users)
logger.debug("tn_m=%s, tn_s=%s" % (
tn_m_info,
tn_slivers,
))
for n in tn_m_info.get("nodes"):
ro_manifest.tn_node(n)
for l in tn_m_info.get("links"):
ro_manifest.tn_link(l)
ro_slivers.extend(tn_slivers)
# introduce slice-monitoring info for TN resources
try:
slice_monitor.add_tn_resources(slice_urn,
tn_m_info.get("nodes"),
tn_m_info.get("links"),
peer)
except Exception as e:
logger.warning(
"Delegate could not monitor TN resources" +
" upon Provision. Details: %s", (e, ))
elif peer.get("type") == self._allowed_peers.get("PEER_SERM"):
se_m_info, se_slivers = SEUtils().manage_provision(
peer, v, credentials, best_effort, end_time, geni_users)
logger.debug("se_m=%s, se_s=%s" % (
se_m_info,
se_slivers,
))
for n in se_m_info.get("nodes"):
ro_manifest.se_node(n)
for l in se_m_info.get("links"):
ro_manifest.se_link(l)
ro_slivers.extend(se_slivers)
# introduce slice-monitoring info for SE resources
try:
slice_monitor.add_se_resources(slice_urn,
se_m_info.get("nodes"),
se_m_info.get("links"))
except Exception as e:
logger.warning(
"Delegate could not monitor SE resources" +
" upon Provision. Details: %s", (e, ))
elif peer.get("type") == self._allowed_peers.get("PEER_RO"):
ro_m_info, ro_slivers_ro = ROUtils().manage_provision(
peer, v, credentials, best_effort, end_time, geni_users)
logger.debug("ro_m=%s, ro_s=%s" % (
ro_m_info,
ro_slivers,
))
ro_manifest = ROUtils.generate_describe_manifest(
ro_manifest, ro_m_info)
ro_slivers.extend(ro_slivers_ro)
# introduce slice-monitoring info for ALL the resource types!
try:
slice_monitor.add_c_resources(slice_urn,
ro_m_info.get("com_nodes"))
slice_monitor.add_sdn_resources(
slice_urn, ro_m_info.get("sdn_slivers"))
slice_monitor.add_tn_resources(slice_urn,
ro_m_info.get("tn_nodes"),
ro_m_info.get("tn_links"),
peer)
slice_monitor.add_se_resources(slice_urn,
ro_m_info.get("se_nodes"),
ro_m_info.get("se_links"))
except Exception as e:
logger.warning(
"Delegate could not monitor RO resources" +
" upon Provision. Details: %s", (e, ))
# send slice-monitoring info to the monitoring system
try:
# Before sending the slice info, we need to add some "virtual"
# links (island-to-island)!
slice_monitor.add_island_to_island_links(slice_urn)
slice_monitor.send()
# add slice_monitoring object to the slice table
db_sync_manager.store_slice_monitoring_info(
slice_urn, slice_monitor.serialize())
except Exception as e:
logger.warning(
"Delegate could not send (store) slice monitoring" +
" information upon Provision. Details: %s", (e, ))
logger.debug("RO-ManifestFormatter=%s" % (ro_manifest, ))
# In order to prevent data conversion error, we manipulate the
# geni-expires parameter. At least 1 parameter should be not null!
valid_geni_expires = None
for s in ro_slivers:
if s["geni_expires"] is not None:
valid_geni_expires = s["geni_expires"]
break
ro_slivers = CommonUtils.convert_sliver_dates_to_datetime(
ro_slivers, valid_geni_expires)
return ("%s" % ro_manifest, ro_slivers)
def provision(self, urns, client_cert, credentials, best_effort, end_time,
geni_users):
"""Documentation see [geniv3rpc] GENIv3DelegateBase.
{geni_users} is relevant here."""
ro_manifest, ro_slivers = ROManifestFormatter(), []
client_urn = CommonUtils.fetch_user_name_from_geni_users(geni_users)
slice_urn = db_sync_manager.get_slice_urn(urns)
slice_monitor = None
try:
slice_monitor = SliceMonitoring()
slice_monitor.add_topology(slice_urn, SliceMonitoring.PROVISIONED,
client_urn)
except Exception as e:
logger.warning("Delegate could not send Provision trigger" +
" to MS. Details: %s", (e,))
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") == self._allowed_peers.get("PEER_CRM"):
com_m_info, com_slivers = COMUtils().manage_provision(
peer, v, credentials, best_effort, end_time, geni_users)
logger.debug("com_m=%s, com_s=%s" % (com_m_info, com_slivers,))
for n in com_m_info.get("nodes"):
ro_manifest.com_node(n)
ro_slivers.extend(com_slivers)
# introduce slice-monitoring info for C resources
try:
slice_monitor.add_c_resources(
slice_urn, com_m_info.get("nodes"))
except Exception as e:
logger.warning("Delegate could not monitor COM resources" +
" upon Provision. Details: %s", (e,))
elif peer.get("type") == self._allowed_peers.get("PEER_SDNRM"):
of_m_info, of_slivers = SDNUtils().manage_provision(
peer, v, credentials, best_effort, end_time, geni_users)
logger.debug("of_m=%s, of_s=%s" % (of_m_info, of_slivers,))
for s in of_m_info.get("slivers"):
ro_manifest.of_sliver(s)
ro_slivers.extend(of_slivers)
# introduce slice-monitoring info for SDN resources
try:
slice_monitor.add_sdn_resources(
slice_urn, of_m_info.get("slivers"))
except Exception as e:
logger.warning("Delegate could not monitor SDN resources" +
" upon Provision. Details: %s", (e,))
elif peer.get("type") == self._allowed_peers.get("PEER_TNRM"):
tn_m_info, tn_slivers = TNUtils().manage_provision(
peer, v, credentials, best_effort, end_time, geni_users)
logger.debug("tn_m=%s, tn_s=%s" % (tn_m_info, tn_slivers,))
for n in tn_m_info.get("nodes"):
ro_manifest.tn_node(n)
for l in tn_m_info.get("links"):
ro_manifest.tn_link(l)
ro_slivers.extend(tn_slivers)
# introduce slice-monitoring info for TN resources
try:
slice_monitor.add_tn_resources(
slice_urn, tn_m_info.get("nodes"),
tn_m_info.get("links"), peer)
except Exception as e:
logger.warning("Delegate could not monitor TN resources" +
" upon Provision. Details: %s", (e,))
elif peer.get("type") == self._allowed_peers.get("PEER_SERM"):
se_m_info, se_slivers = SEUtils().manage_provision(
peer, v, credentials, best_effort, end_time, geni_users)
logger.debug("se_m=%s, se_s=%s" % (se_m_info, se_slivers,))
for n in se_m_info.get("nodes"):
ro_manifest.se_node(n)
for l in se_m_info.get("links"):
ro_manifest.se_link(l)
ro_slivers.extend(se_slivers)
# introduce slice-monitoring info for SE resources
try:
slice_monitor.add_se_resources(
slice_urn, se_m_info.get("nodes"),
se_m_info.get("links"))
except Exception as e:
logger.warning("Delegate could not monitor SE resources" +
" upon Provision. Details: %s", (e,))
elif peer.get("type") == self._allowed_peers.get("PEER_RO"):
ro_m_info, ro_slivers_ro = ROUtils().manage_provision(
peer, v, credentials, best_effort, end_time, geni_users)
logger.debug("ro_m=%s, ro_s=%s" % (ro_m_info, ro_slivers,))
ro_manifest = ROUtils.generate_describe_manifest(
ro_manifest, ro_m_info)
ro_slivers.extend(ro_slivers_ro)
# introduce slice-monitoring info for ALL the resource types!
try:
slice_monitor.add_c_resources(
slice_urn, ro_m_info.get("com_nodes"))
slice_monitor.add_sdn_resources(
slice_urn, ro_m_info.get("sdn_slivers"))
slice_monitor.add_tn_resources(
slice_urn, ro_m_info.get("tn_nodes"),
ro_m_info.get("tn_links"), peer)
slice_monitor.add_se_resources(
slice_urn, ro_m_info.get("se_nodes"),
ro_m_info.get("se_links"))
except Exception as e:
logger.warning("Delegate could not monitor RO resources" +
" upon Provision. Details: %s", (e,))
# send slice-monitoring info to the monitoring system
try:
# Before sending the slice info, we need to add some "virtual"
# links (island-to-island)!
slice_monitor.add_island_to_island_links(slice_urn)
slice_monitor.send()
# add slice_monitoring object to the slice table
db_sync_manager.store_slice_monitoring_info(
slice_urn, slice_monitor.serialize())
except Exception as e:
logger.warning("Delegate could not send (store) slice monitoring" +
" information upon Provision. Details: %s", (e,))
logger.debug("RO-ManifestFormatter=%s" % (ro_manifest,))
# In order to prevent data conversion error, we manipulate the
# geni-expires parameter. At least 1 parameter should be not null!
valid_geni_expires = None
for s in ro_slivers:
if s["geni_expires"] is not None:
valid_geni_expires = s["geni_expires"]
break
ro_slivers = CommonUtils.convert_sliver_dates_to_datetime(
ro_slivers, valid_geni_expires)
return ("%s" % ro_manifest, ro_slivers)