[GitHub] [ozone] guihecheng commented on a change in pull request #2070: HDDS-4976. Add container replica related commands to debug

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

guihecheng commented on a change in pull request #2070:
URL: https://github.com/apache/ozone/pull/2070#discussion_r613884426



##########
File path: hadoop-ozone/tools/src/main/java/org/apache/hadoop/ozone/debug/LocalContainerInfo.java
##########
@@ -0,0 +1,165 @@
+/*
+ * 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 org.apache.hadoop.ozone.debug;
+
+import java.io.IOException;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.Map;
+import java.util.concurrent.Callable;
+
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+import com.google.gson.JsonObject;
+import org.apache.hadoop.hdds.cli.GenericParentCommand;
+import org.apache.hadoop.hdds.cli.SubcommandWithParent;
+import org.apache.hadoop.hdds.conf.ConfigurationSource;
+import org.apache.hadoop.hdds.protocol.datanode.proto.ContainerProtos.ContainerType;
+import org.apache.hadoop.ozone.container.common.helpers.ContainerMetrics;
+import org.apache.hadoop.ozone.container.common.impl.ContainerData;
+import org.apache.hadoop.ozone.container.common.impl.ContainerSet;
+import org.apache.hadoop.ozone.container.common.interfaces.Container;
+import org.apache.hadoop.ozone.container.common.interfaces.Handler;
+import org.apache.hadoop.ozone.container.common.volume.HddsVolume;
+import org.apache.hadoop.ozone.container.common.volume.MutableVolumeSet;
+import org.apache.hadoop.ozone.container.keyvalue.KeyValueContainerData;
+import org.apache.hadoop.ozone.container.ozoneimpl.ContainerController;
+import org.apache.hadoop.ozone.container.ozoneimpl.ContainerReader;
+
+import org.kohsuke.MetaInfServices;
+import picocli.CommandLine;
+import picocli.CommandLine.Command;
+import picocli.CommandLine.ParentCommand;
+
+@Command(name = "localcontainerinfo",
+    description = "Show container info of the containers in local datanode")
+@MetaInfServices(SubcommandWithParent.class)
+public class LocalContainerInfo implements SubcommandWithParent,
+    Callable<Void> {
+
+  @ParentCommand
+  private GenericParentCommand parent;
+
+  @CommandLine.Option(names = {"--container"},
+      required = false,
+      description = "Container Id")
+  private long containerId;
+
+  @Override
+  public Class<?> getParentType() {
+    return OzoneDebug.class;
+  }
+
+  @Override
+  public Void call() throws Exception {
+
+    ConfigurationSource conf = parent.createOzoneConfiguration();
+
+    ContainerSet containerSet = new ContainerSet();
+
+    ContainerMetrics metrics = ContainerMetrics.create(conf);
+
+    String firstStorageDir = ContainerUtils.getFirstStorageDir(conf);
+
+    String datanodeUuid = ContainerUtils.getDatanodeUUID(firstStorageDir, conf);
+
+    String scmId = ContainerUtils.getScmId(firstStorageDir);
+
+    MutableVolumeSet volumeSet = new MutableVolumeSet(datanodeUuid, conf);
+
+    Map<ContainerType, Handler> handlers = new HashMap<>();
+
+    for (ContainerType containerType : ContainerType.values()) {
+      final Handler handler =
+          Handler.getHandlerForContainerType(
+              containerType,
+              conf,
+              datanodeUuid,
+              containerSet,
+              volumeSet,
+              metrics,
+              containerReplicaProto -> {
+              });
+      handler.setScmID(scmId);
+      handlers.put(containerType, handler);
+    }
+
+    ContainerController controller =
+        new ContainerController(containerSet, handlers);
+
+    Iterator<HddsVolume> volumeSetIterator = volumeSet.getVolumesList()
+        .iterator();
+
+    while (volumeSetIterator.hasNext()) {
+      HddsVolume volume = volumeSetIterator.next();
+      final ContainerReader reader =
+          new ContainerReader(volumeSet, volume, containerSet, conf);
+      reader.run();
+    }
+
+    if (containerId == 0L) {
+      Iterator<Container<?>> containerIt = controller.getContainers();
+      while (containerIt.hasNext()) {
+        Container container = containerIt.next();
+        outputContainer(container.getContainerData());
+      }
+    } else {
+      Container container = controller.getContainer(containerId);
+      if (container != null) {
+        outputContainer(container.getContainerData());
+      }
+    }
+
+    return null;
+  }
+
+  private void outputContainer(ContainerData data) throws IOException {
+    JsonObject result = new JsonObject();
+    result.addProperty("ContainerType", data.getContainerType().toString());
+    result.addProperty("ContainerID", data.getContainerID());
+    result.addProperty("LayoutVersion", data.getLayOutVersion().toString());
+    result.addProperty("ChunksPath", data.getChunksPath());
+    result.addProperty("State", data.getState().toString());
+    result.addProperty("MaxSize", data.getMaxSize());
+    result.addProperty("OriginPipelineId", data.getOriginPipelineId());
+    result.addProperty("OriginNodeId", data.getOriginNodeId());
+    result.addProperty("Volume", data.getVolume().toString());
+    result.addProperty("Checksum", data.getChecksum());
+    result.addProperty("DataScanTimestamp", data.getDataScanTimestamp());
+
+    switch (data.getContainerType()) {
+    case KeyValueContainer:
+      KeyValueContainerData kvData = (KeyValueContainerData)data;
+      result.addProperty("MetadataPath", kvData.getMetadataPath());
+      result.addProperty("ContainerDBType", kvData.getContainerDBType());
+      result.addProperty("DbFile", kvData.getDbFile().getPath());
+      result.addProperty("SchemaVersion", kvData.getSchemaVersion());
+      result.addProperty("DeleteTransactionId",
+          kvData.getDeleteTransactionId());
+      result.addProperty("BlockCommitSequenceId",
+          kvData.getBlockCommitSequenceId());
+    default:
+      break;
+    }
+
+    Gson gson2 = new GsonBuilder().setPrettyPrinting().create();
+    System.out.println(gson2.toJson(result));

Review comment:
       Hi @adoroszlai , now we are using this JsonUtils to dump more detailed output~




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