def _prevent_segment_delete_with_port_bound(resource,
event,
trigger,
payload=None):
"""Raise exception if there are any ports bound with segment_id."""
if payload.metadata.get(seg_db.FOR_NET_DELETE):
# don't check for network deletes
return
with db_api.CONTEXT_READER.using(payload.context):
auto_delete_port_ids, proper_port_count = port_obj.Port.\
get_auto_deletable_port_ids_and_proper_port_count_by_segment(
payload.context, segment_id=payload.resource_id)
if proper_port_count:
reason = (_("The segment is still bound with %s port(s)") %
(proper_port_count + len(auto_delete_port_ids)))
raise seg_exc.SegmentInUse(segment_id=payload.resource_id,
reason=reason)
if auto_delete_port_ids:
LOG.debug("Auto-deleting dhcp port(s) on segment %s: %s",
payload.resource_id, ", ".join(auto_delete_port_ids))
plugin = directory.get_plugin()
for port_id in auto_delete_port_ids:
try:
plugin.delete_port(payload.context.elevated(), port_id)
except nlib_exc.PortNotFound:
# Don't raise if something else concurrently deleted the port
LOG.debug(
"Ignoring PortNotFound when deleting port '%s'. "
"The port has already been deleted.", port_id)
def _prevent_segment_delete_with_port_bound(resource,
event,
trigger,
context,
segment,
for_net_delete=False):
"""Raise exception if there are any ports bound with segment_id."""
if for_net_delete:
# don't check for network deletes
return
with db_api.context_manager.reader.using(context):
segment_id = segment['id']
query = context.session.query(models_v2.Port.id)
query = query.join(
models.PortBindingLevel,
models.PortBindingLevel.port_id == models_v2.Port.id)
query = query.filter(models.PortBindingLevel.segment_id == segment_id)
port_ids = [p.id for p in query]
# There are still some ports in the segment, segment should not be deleted
# TODO(xiaohhui): Should we delete the dhcp port automatically here?
if port_ids:
reason = _("The segment is still bound with port(s) "
"%s") % ", ".join(port_ids)
raise seg_exc.SegmentInUse(segment_id=segment_id, reason=reason)
def _prevent_segment_delete_with_subnet_associated(
self, resource, event, trigger, context, segment):
"""Raise exception if there are any subnets associated with segment."""
segment_id = segment['id']
query = context.session.query(models_v2.Subnet.id)
query = query.filter(models_v2.Subnet.segment_id == segment_id)
subnet_ids = [s[0] for s in query]
if subnet_ids:
reason = _("The segment is still associated with subnet(s) "
"%s") % ", ".join(subnet_ids)
raise exceptions.SegmentInUse(segment_id=segment_id, reason=reason)
def _prevent_segment_delete_with_subnet_associated(
self, resource, event, trigger, payload=None):
"""Raise exception if there are any subnets associated with segment."""
if payload.metadata.get('for_net_delete'):
# don't check if this is a part of a network delete operation
return
segment_id = payload.resource_id
subnets = subnet_obj.Subnet.get_objects(payload.context,
segment_id=segment_id)
subnet_ids = [s.id for s in subnets]
if subnet_ids:
reason = _("The segment is still associated with subnet(s) "
"%s") % ", ".join(subnet_ids)
raise exceptions.SegmentInUse(segment_id=segment_id,
reason=reason)
def _prevent_segment_delete_with_port_bound(resource, event, trigger,
payload=None):
"""Raise exception if there are any ports bound with segment_id."""
if payload.metadata.get('for_net_delete'):
# don't check for network deletes
return
with db_api.CONTEXT_READER.using(payload.context):
port_ids = port_obj.Port.get_port_ids_filter_by_segment_id(
payload.context, segment_id=payload.resource_id)
# There are still some ports in the segment, segment should not be deleted
# TODO(xiaohhui): Should we delete the dhcp port automatically here?
if port_ids:
reason = _("The segment is still bound with port(s) "
"%s") % ", ".join(port_ids)
raise seg_exc.SegmentInUse(segment_id=payload.resource_id,
reason=reason)
def _prevent_segment_delete_with_subnet_associated(
self, resource, event, trigger, context, segment,
for_net_delete=False):
"""Raise exception if there are any subnets associated with segment."""
if for_net_delete:
# don't check if this is a part of a network delete operation
return
with db_api.context_manager.reader.using(context):
segment_id = segment['id']
query = context.session.query(models_v2.Subnet.id)
query = query.filter(models_v2.Subnet.segment_id == segment_id)
subnet_ids = [s[0] for s in query]
if subnet_ids:
reason = _("The segment is still associated with subnet(s) "
"%s") % ", ".join(subnet_ids)
raise exceptions.SegmentInUse(segment_id=segment_id,
reason=reason)
def _prevent_segment_delete_with_port_bound(resource,
event,
trigger,
context,
segment,
for_net_delete=False):
"""Raise exception if there are any ports bound with segment_id."""
if for_net_delete:
# don't check for network deletes
return
with db_api.context_manager.reader.using(context):
port_ids = port_obj.Port.get_port_ids_filter_by_segment_id(
context, segment_id=segment['id'])
# There are still some ports in the segment, segment should not be deleted
# TODO(xiaohhui): Should we delete the dhcp port automatically here?
if port_ids:
reason = _("The segment is still bound with port(s) "
"%s") % ", ".join(port_ids)
raise seg_exc.SegmentInUse(segment_id=segment['id'], reason=reason)
