def test_resource_class_url_prefix(self):
# SCRIPT_NAME represents the mount point of a WSGI
# application when it is hosted at a path/prefix.
environ = {'SCRIPT_NAME': '/placement'}
expected_url = '/placement/resource_classes/CUSTOM_BAREMETAL_GOLD'
self.assertEqual(expected_url,
util.resource_class_url(environ, self.resource_class))
def create_resource_class(req):
"""POST to create a resource class.
On success return a 201 response with an empty body and a location
header pointing to the newly created resource class.
"""
context = req.environ['placement.context']
context.can(policies.CREATE)
data = util.extract_json(req.body, schema.POST_RC_SCHEMA_V1_2)
try:
rc = rc_obj.ResourceClass(context, name=data['name'])
rc.create()
except exception.ResourceClassExists:
raise webob.exc.HTTPConflict(
'Conflicting resource class already exists: %(name)s' %
{'name': data['name']})
except exception.MaxDBRetriesExceeded:
raise webob.exc.HTTPConflict(
'Max retries of DB transaction exceeded attempting '
'to create resource class: %(name)s, please '
'try again.' % {'name': data['name']})
req.response.location = util.resource_class_url(req.environ, rc)
req.response.status = 201
req.response.content_type = None
return req.response
def update_resource_class(req):
"""PUT to create or validate the existence of single resource class.
On a successful create return 201. Return 204 if the class already
exists. If the resource class is not a custom resource class, return
a 400. 409 might be a better choice, but 400 aligns with previous code.
"""
name = util.wsgi_path_item(req.environ, 'name')
context = req.environ['placement.context']
context.can(policies.UPDATE)
# Use JSON validation to validation resource class name.
util.extract_json('{"name": "%s"}' % name, schema.PUT_RC_SCHEMA_V1_2)
status = 204
try:
rc = rc_obj.ResourceClass.get_by_name(context, name)
except exception.NotFound:
try:
rc = rc_obj.ResourceClass(context, name=name)
rc.create()
status = 201
# We will not see ResourceClassCannotUpdateStandard because
# that was already caught when validating the {name}.
except exception.ResourceClassExists:
# Someone just now created the class, so stick with 204
pass
req.response.status = status
req.response.content_type = None
req.response.location = util.resource_class_url(req.environ, rc)
return req.response
def test_resource_class_url(self):
environ = {}
expected_url = '/resource_classes/CUSTOM_BAREMETAL_GOLD'
self.assertEqual(expected_url,
util.resource_class_url(environ, self.resource_class))
def _serialize_links(environ, rc):
url = util.resource_class_url(environ, rc)
links = [{'rel': 'self', 'href': url}]
return links
