content: /*
   * The Alluxio Open Foundation licenses this work under the Apache License, version 2.0
   * (the "License"). You may not use this work except in compliance with the License, which is
   * available at www.apache.org/licenses/LICENSE-2.0
   *
   * This software is distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
   * either express or implied, as more fully set forth in the License.
   *
   * See the NOTICE file distributed with this work for information regarding copyright ownership.
   */
  
  package alluxio.server.ft;
  
  import static org.junit.Assert.assertEquals;
  
  import alluxio.AlluxioURI;
  import alluxio.Constants;
  import alluxio.client.file.FileSystem;
  import alluxio.client.file.URIStatus;
  import alluxio.conf.Configuration;
  import alluxio.conf.PropertyKey;
  import alluxio.grpc.SetAttributePOptions;
  import alluxio.master.file.contexts.CreateDirectoryContext;
  import alluxio.master.file.contexts.CreateFileContext;
  import alluxio.master.file.contexts.ListStatusContext;
  import alluxio.master.journal.JournalType;
  import alluxio.multi.process.MultiProcessCluster;
  import alluxio.multi.process.PortCoordination;
  import alluxio.security.authorization.Mode;
  import alluxio.server.ft.journal.raft.EmbeddedJournalIntegrationTestBase;
  
  import org.junit.Test;
  
  import java.util.List;
  
  /**
   * A test class to test the file system master fault toleration when MergeJournalContext is used.
   */
  public class FileSystemMasterMergeJournalContextIntegrationTest
      extends EmbeddedJournalIntegrationTestBase {
  
    private static final int GET_MASTER_TIMEOUT_MS = 1 * Constants.MINUTE_MS;
    private static final int NUM_MASTERS = 3;
    private static final int NUM_WORKERS = 0;
  
    @Test
    public void testForceFlush() throws Exception {
      mCluster = MultiProcessCluster.newBuilder(PortCoordination.EMBEDDED_JOURNAL_FAILOVER)
          .setClusterName("EmbeddedJournalFaultTolerance_failover")
          .setNumMasters(NUM_MASTERS)
          .setNumWorkers(NUM_WORKERS)
          .addProperty(PropertyKey.MASTER_JOURNAL_TYPE, JournalType.EMBEDDED)
          .addProperty(PropertyKey.MASTER_JOURNAL_FLUSH_TIMEOUT_MS, "5min")
          .addProperty(PropertyKey.MASTER_EMBEDDED_JOURNAL_MIN_ELECTION_TIMEOUT, "750ms")
          .addProperty(PropertyKey.MASTER_EMBEDDED_JOURNAL_MAX_ELECTION_TIMEOUT, "1500ms")
          .build();
      mCluster.start();
  
      // Create paths for the test.
      AlluxioURI testPath1 = new AlluxioURI("/testPath1");
  
      SetAttributePOptions setAttributeContext =
          SetAttributePOptions.newBuilder().setRecursive(true)
              .setMode(new Mode((short) 0777).toProto()).build();
      int mergeJournalContextMaxEntries =
          Configuration.getInt(
              PropertyKey.MASTER_RECURSIVE_OPERATION_JOURNAL_FORCE_FLUSH_MAX_ENTRIES);
  
      // Run partition tolerance test on leading master.
      {
        // Acquire file-system-master of leading master.
        FileSystem fileSystem = mCluster.getFileSystemClient();
  
        fileSystem.createDirectory(testPath1, CreateDirectoryContext.defaults().getOptions().build());
  
        // Create files to change attributes.
        for (int i = 0; i < mergeJournalContextMaxEntries * 3; ++i) {
          AlluxioURI path = new AlluxioURI("/testPath1/" + i);
          fileSystem.createFile(path, CreateFileContext.defaults().getOptions().build()).close();
        }
  
        // Change the attribute recursively, this will trigger a InodeTree.getDescendants call.
        fileSystem.setAttribute(testPath1, setAttributeContext);
  
        List<URIStatus> fileInfo =
            fileSystem.listStatus(testPath1, ListStatusContext.defaults().getOptions()
            .build());
        assertEquals(mergeJournalContextMaxEntries * 3, fileInfo.size());
        fileInfo.forEach(
            (it) -> assertEquals(0777, it.getMode())
        );
      }
  
      mCluster.waitForAndKillPrimaryMaster(GET_MASTER_TIMEOUT_MS);
      mCluster.getPrimaryMasterIndex(GET_MASTER_TIMEOUT_MS);
      {
        // Acquire file-system-master of leading master.
        FileSystem fileSystem = mCluster.getFileSystemClient();
  
        List<URIStatus> fileInfo =
            fileSystem.listStatus(testPath1, ListStatusContext.defaults().getOptions()
            .build());
        assertEquals(mergeJournalContextMaxEntries * 3, fileInfo.size());
        fileInfo.forEach(
            (it) -> assertEquals(0777, it.getMode())
        );
      }
      mCluster.notifySuccess();
    }
  }
  