func cacheKey(ctx kapi.Context, a authorizer.AuthorizationAttributes) (string, error) {
if a.GetRequestAttributes() != nil {
// TODO: see if we can serialize this?
return "", errors.New("cannot cache request attributes")
}
keyData := map[string]interface{}{
"verb": a.GetVerb(),
"apiVersion": a.GetAPIVersion(),
"apiGroup": a.GetAPIGroup(),
"resource": a.GetResource(),
"resourceName": a.GetResourceName(),
"nonResourceURL": a.IsNonResourceURL(),
"url": a.GetURL(),
}
if namespace, ok := kapi.NamespaceFrom(ctx); ok {
keyData["namespace"] = namespace
}
if user, ok := kapi.UserFrom(ctx); ok {
keyData["user"] = user.GetName()
keyData["groups"] = user.GetGroups()
}
key, err := json.Marshal(keyData)
return string(key), err
}
