[GitHub] mdeuser commented on a change in pull request #3391: Add namespace-blacklist to invoker.

[GitBox <gi...@apache.org>]

mdeuser commented on a change in pull request #3391: Add namespace-blacklist to invoker.
URL: https://github.com/apache/incubator-openwhisk/pull/3391#discussion_r172187930
 
 

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 File path: core/invoker/src/main/scala/whisk/core/invoker/NamespaceBlacklist.scala
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 @@ -0,0 +1,70 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package whisk.core.invoker
+
+import whisk.common.TransactionId
+import whisk.core.database.StaleParameter
+import whisk.core.entity.{Identity, View}
+import whisk.core.entity.types.AuthStore
+
+import scala.concurrent.{ExecutionContext, Future}
+import spray.json.DefaultJsonProtocol._
+
+/**
+ * The Namespace blacklist gets all namespaces that are throttled to 0 from the database.
+ * The caller is responsible for a periodically update of the blacklist with `refreshBlacklist`.
+ *
+ * @param authStore Subjects database with the limit-documents.
+ */
+class NamespaceBlacklist(authStore: AuthStore) {
 
 Review comment:
   might this functionality be also used by the controller (i.e. belong under the `common` package)?

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