openstack/nova
Code Issues Proposed changes

Merge "Cleanup validation logic in _get_requested_networks"

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Jenkins 2016-05-17 22:09:14 +00:00 committed by Gerrit Code Review
commit 39d60220f7
1 changed files with 32 additions and 17 deletions
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49
nova/api/openstack/compute/servers.py
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@ -446,6 +446,35 @@ class ServersController(wsgi.Controller):
req.cache_db_instance(instance)
return instance
@staticmethod
def _validate_network_id(net_id, network_uuids):
"""Validates that a requested network id.
This method performs two checks:
1. That the network id is in the proper uuid format.
2. That the network is not a duplicate when using nova-network.
:param net_id: The network id to validate.
:param network_uuids: A running list of requested network IDs that have
passed validation already.
:raises: webob.exc.HTTPBadRequest if validation fails
"""
if not uuidutils.is_uuid_like(net_id):
# NOTE(mriedem): Neutron would allow a network id with a br- prefix
# back in Folsom so continue to honor that.
# TODO(mriedem): Need to figure out if this is still a valid case.
br_uuid = net_id.split('-', 1)[-1]
if not uuidutils.is_uuid_like(br_uuid):
msg = _("Bad networks format: network uuid is "
"not in proper format (%s)") % net_id
raise exc.HTTPBadRequest(explanation=msg)
# duplicate networks are allowed only for neutron v2.0
if net_id in network_uuids and not utils.is_neutron():
expl = _("Duplicate networks (%s) are not allowed") % net_id
raise exc.HTTPBadRequest(explanation=expl)
def _get_requested_networks(self, requested_networks):
"""Create a list of requested networks from the networks attribute."""
networks = []
@ -474,24 +503,10 @@ class ServersController(wsgi.Controller):
raise exc.HTTPBadRequest(explanation=msg)
else:
request.network_id = network['uuid']
self._validate_network_id(
request.network_id, network_uuids)
network_uuids.append(request.network_id)
if (not request.port_id and
not uuidutils.is_uuid_like(request.network_id)):
br_uuid = request.network_id.split('-', 1)[-1]
if not uuidutils.is_uuid_like(br_uuid):
msg = _("Bad networks format: network uuid is "
"not in proper format "
"(%s)") % request.network_id
raise exc.HTTPBadRequest(explanation=msg)
# duplicate networks are allowed only for neutron v2.0
if (not utils.is_neutron() and request.network_id and
request.network_id in network_uuids):
expl = (_("Duplicate networks"
" (%s) are not allowed") %
request.network_id)
raise exc.HTTPBadRequest(explanation=expl)
network_uuids.append(request.network_id)
networks.append(request)
except KeyError as key:
expl = _('Bad network format: missing %s') % key