mv vcr out

ambry-cloud/src/main/java/com/github/ambry/cloud/VcrReplicationManager.java

@@ -368,7 +368,7 @@ public VcrMetrics getVcrMetrics() {
   }
 
   /** For testing only */
-  CloudStorageCompactor getCloudStorageCompactor() {
+  public CloudStorageCompactor getCloudStorageCompactor() {
     return cloudStorageCompactor;
   }
 

ambry-vcr/src/main/java/com/github/ambry/vcr/VcrMain.java

@@ -0,0 +1,62 @@
+/**
+ * Copyright 2019 LinkedIn Corp. All rights reserved.
+ *
+ * Licensed 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.
+ */
+package com.github.ambry.vcr;
+
+import com.github.ambry.clustermap.ClusterAgentsFactory;
+import com.github.ambry.commons.LoggingNotificationSystem;
+import com.github.ambry.config.ClusterMapConfig;
+import com.github.ambry.config.VerifiableProperties;
+import com.github.ambry.utils.InvocationOptions;
+import com.github.ambry.utils.Utils;
+import java.util.Properties;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+
+/**
+ * Start point for creating an instance of {@link VcrServer} and starting/shutting it down.
+ */
+public class VcrMain {
+  private static final Logger logger = LoggerFactory.getLogger(VcrMain.class);
+
+  public static void main(String[] args) {
+    final VcrServer vcrServer;
+    int exitCode = 0;
+    try {
+      InvocationOptions options = new InvocationOptions(args);
+      Properties properties = Utils.loadProps(options.serverPropsFilePath);
+      VerifiableProperties verifiableProperties = new VerifiableProperties(properties);
+      ClusterMapConfig clusterMapConfig = new ClusterMapConfig(verifiableProperties);
+      ClusterAgentsFactory clusterAgentsFactory =
+          Utils.getObj(clusterMapConfig.clusterMapClusterAgentsFactory, clusterMapConfig,
+              options.hardwareLayoutFilePath, options.partitionLayoutFilePath);
+      logger.info("Bootstrapping VcrServer");
+      vcrServer = new VcrServer(verifiableProperties, clusterAgentsFactory, new LoggingNotificationSystem(), null);
+      // attach shutdown handler to catch control-c
+      Runtime.getRuntime().addShutdownHook(new Thread() {
+        public void run() {
+          logger.info("Received shutdown signal. Shutting down VcrServer");
+          vcrServer.shutdown();
+        }
+      });
+      vcrServer.startup();
+      vcrServer.awaitShutdown(Integer.MAX_VALUE);
+    } catch (Exception e) {
+      logger.error("Exception during bootstrap of VcrServer", e);
+      exitCode = 1;
+    }
+    logger.info("Exiting VcrMain");
+    System.exit(exitCode);
+  }
+}

ambry-vcr/src/main/java/com/github/ambry/vcr/VcrRequests.java

@@ -0,0 +1,94 @@
+/**
+ * Copyright 2019 LinkedIn Corp. All rights reserved.
+ *
+ * Licensed 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.
+ */
+package com.github.ambry.vcr;
+
+import com.codahale.metrics.MetricRegistry;
+import com.github.ambry.clustermap.ClusterMap;
+import com.github.ambry.clustermap.DataNodeId;
+import com.github.ambry.clustermap.PartitionId;
+import com.github.ambry.commons.ServerMetrics;
+import com.github.ambry.network.NetworkRequest;
+import com.github.ambry.network.RequestResponseChannel;
+import com.github.ambry.notification.NotificationSystem;
+import com.github.ambry.protocol.RequestOrResponseType;
+import com.github.ambry.replication.FindTokenHelper;
+import com.github.ambry.replication.ReplicationEngine;
+import com.github.ambry.server.AmbryRequests;
+import com.github.ambry.server.ServerErrorCode;
+import com.github.ambry.server.StoreManager;
+import com.github.ambry.store.Store;
+import com.github.ambry.store.StoreKeyConverterFactory;
+import com.github.ambry.store.StoreKeyFactory;
+import java.io.IOException;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+
+/**
+ * Request implementation class for Vcr. All requests to the vcr server are
+ * handled by this class.
+ */
+public class VcrRequests extends AmbryRequests {
+
+  private static final Logger logger = LoggerFactory.getLogger(VcrRequests.class);
+
+  public VcrRequests(StoreManager storeManager, RequestResponseChannel requestResponseChannel, ClusterMap clusterMap,
+      DataNodeId currentNode, MetricRegistry registry, ServerMetrics serverMetrics, FindTokenHelper findTokenHelper,
+      NotificationSystem notification, ReplicationEngine replicationEngine, StoreKeyFactory storageKeyFactory,
+      StoreKeyConverterFactory storeKeyConverterFactory) {
+    super(storeManager, requestResponseChannel, clusterMap, currentNode, registry, serverMetrics, findTokenHelper,
+        notification, replicationEngine, storageKeyFactory, storeKeyConverterFactory);
+  }
+
+  @Override
+  public void handlePutRequest(NetworkRequest request) throws IOException, InterruptedException {
+    throw new UnsupportedOperationException("Request type not supported");
+  }
+
+  @Override
+  public void handleDeleteRequest(NetworkRequest request) throws IOException, InterruptedException {
+    throw new UnsupportedOperationException("Request type not supported");
+  }
+
+  @Override
+  public void handlePurgeRequest(NetworkRequest request) throws IOException, InterruptedException {
+    throw new UnsupportedOperationException("Request type not supported");
+  }
+
+  @Override
+  public void handleTtlUpdateRequest(NetworkRequest request) throws IOException, InterruptedException {
+    throw new UnsupportedOperationException("Request type not supported");
+  }
+
+  @Override
+  public void handleReplicateBlobRequest(NetworkRequest request) throws IOException, InterruptedException {
+    throw new UnsupportedOperationException("Request type not supported");
+  }
+
+  @Override
+  protected ServerErrorCode validateRequest(PartitionId partition, RequestOrResponseType requestType,
+      boolean skipPartitionAvailableCheck) {
+    // 1. Check partition is null
+    if (partition == null) {
+      metrics.badRequestError.inc();
+      return ServerErrorCode.Bad_Request;
+    }
+    return ServerErrorCode.No_Error;
+  }
+
+  @Override
+  protected long getRemoteReplicaLag(Store store, long totalBytesRead) {
+    return -1;
+  }
+}