[GitHub] jon-wei commented on a change in pull request #5099: Basic auth extension

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

jon-wei commented on a change in pull request #5099: Basic auth extension
URL: https://github.com/apache/incubator-druid/pull/5099#discussion_r220330380
 
 

 ##########
 File path: extensions-core/druid-basic-security/src/main/java/io/druid/security/basic/CommonCacheNotifier.java
 ##########
 @@ -0,0 +1,236 @@
+/*
+ * Licensed to Metamarkets Group Inc. (Metamarkets) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. Metamarkets 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 io.druid.security.basic;
+
+import com.google.common.util.concurrent.Futures;
+import com.google.common.util.concurrent.ListenableFuture;
+import com.metamx.emitter.EmittingLogger;
+import com.metamx.http.client.HttpClient;
+import com.metamx.http.client.Request;
+import com.metamx.http.client.response.ClientResponse;
+import com.metamx.http.client.response.HttpResponseHandler;
+import com.metamx.http.client.response.StatusResponseHolder;
+import io.druid.discovery.DiscoveryDruidNode;
+import io.druid.discovery.DruidNodeDiscovery;
+import io.druid.discovery.DruidNodeDiscoveryProvider;
+import io.druid.java.util.common.Pair;
+import io.druid.java.util.common.StringUtils;
+import io.druid.java.util.common.concurrent.Execs;
+import io.druid.java.util.common.logger.Logger;
+import io.druid.server.DruidNode;
+import org.jboss.netty.handler.codec.http.HttpChunk;
+import org.jboss.netty.handler.codec.http.HttpMethod;
+import org.jboss.netty.handler.codec.http.HttpResponse;
+import org.joda.time.Duration;
+
+import javax.ws.rs.core.MediaType;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.List;
+import java.util.Map;
+import java.util.concurrent.BlockingQueue;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.LinkedBlockingQueue;
+import java.util.concurrent.TimeUnit;
+
+public class CommonCacheNotifier
+{
+  private static final EmittingLogger LOG = new EmittingLogger(CommonCacheNotifier.class);
+
+  private static final List<String> NODE_TYPES = Arrays.asList(
 
 Review comment:
   @leventov Yes, the coordinator gets its information about the auth state directly from metadata storage, this update notification is for other service types

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