def fake_db_req(**updates):
ctxt = context.RequestContext('fake-user', 'fake-project')
instance_uuid = uuidutils.generate_uuid()
instance = fake_instance.fake_instance_obj(ctxt,
objects.Instance,
uuid=instance_uuid)
# This will always be set this way for an instance at build time
instance.host = None
block_devices = objects.BlockDeviceMappingList(objects=[
fake_block_device.fake_bdm_object(
context,
fake_block_device.FakeDbBlockDeviceDict(
source_type='blank',
destination_type='local',
guest_format='foo',
device_type='disk',
disk_bus='',
boot_index=1,
device_name='xvda',
delete_on_termination=False,
snapshot_id=None,
volume_id=None,
volume_size=0,
image_id='bar',
no_device=False,
connection_info=None,
tag='',
instance_uuid=uuids.instance))
])
tags = objects.TagList(
objects=[objects.Tag(tag='tag1', resource_id=instance_uuid)])
db_build_request = {
'id': 1,
'project_id': 'fake-project',
'instance_uuid': instance_uuid,
'instance': jsonutils.dumps(instance.obj_to_primitive()),
'block_device_mappings':
jsonutils.dumps(block_devices.obj_to_primitive()),
'tags': jsonutils.dumps(tags.obj_to_primitive()),
'created_at': datetime.datetime(2016, 1, 16),
'updated_at': datetime.datetime(2016, 1, 16),
}
for name, field in objects.BuildRequest.fields.items():
if name in db_build_request:
continue
if field.nullable:
db_build_request[name] = None
elif field.default != fields.UnspecifiedDefault:
db_build_request[name] = field.default
else:
raise Exception('fake_db_req needs help with %s' % name)
if updates:
db_build_request.update(updates)
return db_build_request
def update(self, req, server_id, id, body):
context = req.environ["nova.context"]
context.can(st_policies.POLICY_ROOT % 'update')
im = _get_instance_mapping(context, server_id)
with nova_context.target_cell(context, im.cell_mapping) as cctxt:
instance = self._check_instance_in_valid_state(
cctxt, server_id, 'update tag')
try:
jsonschema.validate(id, parameter_types.tag)
except jsonschema.ValidationError as e:
msg = (_("Tag '%(tag)s' is invalid. It must be a non empty string "
"without characters '/' and ','. Validation error "
"message: %(err)s") % {
'tag': id,
'err': e.message
})
raise webob.exc.HTTPBadRequest(explanation=msg)
try:
with nova_context.target_cell(context, im.cell_mapping) as cctxt:
tags = objects.TagList.get_by_resource_id(cctxt, server_id)
except exception.InstanceNotFound as e:
raise webob.exc.HTTPNotFound(explanation=e.format_message())
if len(tags) >= objects.instance.MAX_TAG_COUNT:
msg = (_("The number of tags exceeded the per-server limit %d") %
objects.instance.MAX_TAG_COUNT)
raise webob.exc.HTTPBadRequest(explanation=msg)
if id in _get_tags_names(tags):
# NOTE(snikitin): server already has specified tag
return webob.Response(status_int=204)
try:
with nova_context.target_cell(context, im.cell_mapping) as cctxt:
tag = objects.Tag(context=cctxt, resource_id=server_id, tag=id)
tag.create()
instance.tags = objects.TagList.get_by_resource_id(
cctxt, server_id)
except exception.InstanceNotFound as e:
raise webob.exc.HTTPNotFound(explanation=e.format_message())
notifications_base.send_instance_update_notification(
context, instance, service="nova-api")
response = webob.Response(status_int=201)
response.headers['Location'] = self._view_builder.get_location(
req, server_id, id)
return response
def update(self, req, server_id, id, body):
context = req.environ["nova.context"]
authorize(context, action='update')
self._check_instance_in_valid_state(context, server_id, 'update tag')
try:
jsonschema.validate(id, schema.tag)
except jsonschema.ValidationError as e:
msg = (_("Tag '%(tag)s' is invalid. It must be a string without "
"characters '/' and ','. Validation error message: "
"%(err)s") % {
'tag': id,
'err': e.message
})
raise exc.HTTPBadRequest(explanation=msg)
try:
tags = objects.TagList.get_by_resource_id(context, server_id)
except exception.InstanceNotFound as e:
raise exc.HTTPNotFound(explanation=e.format_message())
if len(tags) >= objects.instance.MAX_TAG_COUNT:
msg = (_("The number of tags exceeded the per-server limit %d") %
objects.instance.MAX_TAG_COUNT)
raise exc.HTTPBadRequest(explanation=msg)
if len(id) > objects.tag.MAX_TAG_LENGTH:
msg = (_("Tag '%(tag)s' is too long. Maximum length of a tag "
"is %(length)d") % {
'tag': id,
'length': objects.tag.MAX_TAG_LENGTH
})
raise exc.HTTPBadRequest(explanation=msg)
if id in _get_tags_names(tags):
# NOTE(snikitin): server already has specified tag
return exc.HTTPNoContent()
tag = objects.Tag(context=context, resource_id=server_id, tag=id)
try:
tag.create()
except exception.InstanceNotFound as e:
raise exc.HTTPNotFound(explanation=e.format_message())
response = exc.HTTPCreated()
response.headers['Location'] = self._view_builder.get_location(
req, server_id, id)
return response
