/// <returns>
/// the fsimage file with the most recent transaction ID in the
/// given 'current/' directory.
/// </returns>
/// <exception cref="System.IO.IOException"/>
public static FilePath FindNewestImageFile(string currentDirPath)
{
Storage.StorageDirectory sd = FSImageTestUtil.MockStorageDirectory(new FilePath(currentDirPath
), NNStorage.NameNodeDirType.Image);
FSImageTransactionalStorageInspector inspector = new FSImageTransactionalStorageInspector
();
inspector.InspectDirectory(sd);
IList <FSImageStorageInspector.FSImageFile> latestImages = inspector.GetLatestImages
();
return((latestImages.IsEmpty()) ? null : latestImages[0].GetFile());
}
public virtual void TestCurrentStorageInspector()
{
FSImageTransactionalStorageInspector inspector = new FSImageTransactionalStorageInspector
();
Storage.StorageDirectory mockDir = FSImageTestUtil.MockStorageDirectory(NNStorage.NameNodeDirType
.ImageAndEdits, false, "/foo/current/" + NNStorage.GetImageFileName(123), "/foo/current/"
+ NNStorage.GetFinalizedEditsFileName(123, 456), "/foo/current/" + NNStorage.GetImageFileName
(456), "/foo/current/" + NNStorage.GetInProgressEditsFileName(457));
inspector.InspectDirectory(mockDir);
NUnit.Framework.Assert.AreEqual(2, inspector.foundImages.Count);
FSImageStorageInspector.FSImageFile latestImage = inspector.GetLatestImages()[0];
NUnit.Framework.Assert.AreEqual(456, latestImage.txId);
NUnit.Framework.Assert.AreSame(mockDir, latestImage.sd);
NUnit.Framework.Assert.IsTrue(inspector.IsUpgradeFinalized());
NUnit.Framework.Assert.AreEqual(new FilePath("/foo/current/" + NNStorage.GetImageFileName
(456)), latestImage.GetFile());
}
public virtual void TestGetRemoteEditLog()
{
Storage.StorageDirectory sd = FSImageTestUtil.MockStorageDirectory(NNStorage.NameNodeDirType
.Edits, false, NNStorage.GetFinalizedEditsFileName(1, 100), NNStorage.GetFinalizedEditsFileName
(101, 200), NNStorage.GetInProgressEditsFileName(201), NNStorage.GetFinalizedEditsFileName
(1001, 1100));
// passing null for NNStorage because this unit test will not use it
FileJournalManager fjm = new FileJournalManager(conf, sd, null);
NUnit.Framework.Assert.AreEqual("[1,100],[101,200],[1001,1100]", GetLogsAsString(
fjm, 1));
NUnit.Framework.Assert.AreEqual("[101,200],[1001,1100]", GetLogsAsString(fjm, 101
));
NUnit.Framework.Assert.AreEqual("[101,200],[1001,1100]", GetLogsAsString(fjm, 150
));
NUnit.Framework.Assert.AreEqual("[1001,1100]", GetLogsAsString(fjm, 201));
NUnit.Framework.Assert.AreEqual("Asking for a newer log than exists should return empty list"
, string.Empty, GetLogsAsString(fjm, 9999));
}
/// <summary>
/// Return a standalone instance of FSEditLog that will log into the given
/// log directory.
/// </summary>
/// <remarks>
/// Return a standalone instance of FSEditLog that will log into the given
/// log directory. The returned instance is not yet opened.
/// </remarks>
/// <exception cref="System.IO.IOException"/>
public static FSEditLog CreateStandaloneEditLog(FilePath logDir)
{
NUnit.Framework.Assert.IsTrue(logDir.Mkdirs() || logDir.Exists());
if (!FileUtil.FullyDeleteContents(logDir))
{
throw new IOException("Unable to delete contents of " + logDir);
}
NNStorage storage = Org.Mockito.Mockito.Mock <NNStorage>();
Storage.StorageDirectory sd = FSImageTestUtil.MockStorageDirectory(logDir, NNStorage.NameNodeDirType
.Edits);
IList <Storage.StorageDirectory> sds = Lists.NewArrayList(sd);
Org.Mockito.Mockito.DoReturn(sds).When(storage).DirIterable(NNStorage.NameNodeDirType
.Edits);
Org.Mockito.Mockito.DoReturn(sd).When(storage).GetStorageDirectory(Matchers.AnyObject
<URI>());
FSEditLog editLog = new FSEditLog(new Configuration(), storage, ImmutableList.Of(
logDir.ToURI()));
editLog.InitJournalsForWrite();
return(editLog);
}
internal virtual Storage.StorageDirectory MockStorageDir()
{
return(FSImageTestUtil.MockStorageDirectory(this.type, false, Sharpen.Collections.ToArray
(TestNNStorageRetentionManager.FilesToPaths(this.files), new string[0])));
}
