/// <summary>
/// For NameNode, verify that the current and/or previous exist as indicated by
/// the method parameters.
/// </summary>
/// <remarks>
/// For NameNode, verify that the current and/or previous exist as indicated by
/// the method parameters. If previous exists, verify that
/// it hasn't been modified by comparing the checksum of all it's
/// containing files with their original checksum. It is assumed that
/// the server has recovered.
/// </remarks>
/// <exception cref="System.IO.IOException"/>
internal virtual void CheckResultNameNode(string[] baseDirs, bool currentShouldExist
, bool previousShouldExist)
{
if (currentShouldExist)
{
for (int i = 0; i < baseDirs.Length; i++)
{
NUnit.Framework.Assert.IsTrue(new FilePath(baseDirs[i], "current").IsDirectory());
NUnit.Framework.Assert.IsTrue(new FilePath(baseDirs[i], "current/VERSION").IsFile
());
NUnit.Framework.Assert.IsNotNull(FSImageTestUtil.FindNewestImageFile(baseDirs[i]
+ "/current"));
NUnit.Framework.Assert.IsTrue(new FilePath(baseDirs[i], "current/seen_txid").IsFile
());
}
}
if (previousShouldExist)
{
for (int i = 0; i < baseDirs.Length; i++)
{
NUnit.Framework.Assert.IsTrue(new FilePath(baseDirs[i], "previous").IsDirectory()
);
NUnit.Framework.Assert.AreEqual(UpgradeUtilities.ChecksumContents(HdfsServerConstants.NodeType
.NameNode, new FilePath(baseDirs[i], "previous"), false), UpgradeUtilities.ChecksumMasterNameNodeContents
());
}
}
}
/// <exception cref="System.Exception"/>
public static void WaitForCheckpoint(MiniDFSCluster cluster, int nnIdx, IList <int
> txids)
{
long start = Time.Now();
while (true)
{
try
{
FSImageTestUtil.AssertNNHasCheckpoints(cluster, nnIdx, txids);
return;
}
catch (Exception err)
{
if (Time.Now() - start > 10000)
{
throw;
}
else
{
Sharpen.Thread.Sleep(300);
}
}
}
}
/// <summary>Verify that the new current directory is the old previous.</summary>
/// <remarks>
/// Verify that the new current directory is the old previous.
/// It is assumed that the server has recovered and rolled back.
/// </remarks>
/// <exception cref="System.Exception"/>
internal virtual void CheckResult(HdfsServerConstants.NodeType nodeType, string[]
baseDirs)
{
IList <FilePath> curDirs = Lists.NewArrayList();
foreach (string baseDir in baseDirs)
{
FilePath curDir = new FilePath(baseDir, "current");
curDirs.AddItem(curDir);
switch (nodeType)
{
case HdfsServerConstants.NodeType.NameNode:
{
FSImageTestUtil.AssertReasonableNameCurrentDir(curDir);
break;
}
case HdfsServerConstants.NodeType.DataNode:
{
NUnit.Framework.Assert.AreEqual(UpgradeUtilities.ChecksumContents(nodeType, curDir
, false), UpgradeUtilities.ChecksumMasterDataNodeContents());
break;
}
}
}
FSImageTestUtil.AssertParallelFilesAreIdentical(curDirs, Sharpen.Collections.EmptySet
<string>());
for (int i = 0; i < baseDirs.Length; i++)
{
NUnit.Framework.Assert.IsFalse(new FilePath(baseDirs[i], "previous").IsDirectory(
));
}
}
public virtual void TestUpgradeFromCorruptRel22Image()
{
UnpackStorage(Hadoop22Image, HadoopDfsDirTxt);
// Overwrite the md5 stored in the VERSION files
FilePath baseDir = new FilePath(MiniDFSCluster.GetBaseDirectory());
FSImageTestUtil.CorruptVersionFile(new FilePath(baseDir, "name1/current/VERSION")
, "imageMD5Digest", "22222222222222222222222222222222");
FSImageTestUtil.CorruptVersionFile(new FilePath(baseDir, "name2/current/VERSION")
, "imageMD5Digest", "22222222222222222222222222222222");
// Attach our own log appender so we can verify output
LogVerificationAppender appender = new LogVerificationAppender();
Logger logger = Logger.GetRootLogger();
logger.AddAppender(appender);
// Upgrade should now fail
try
{
UpgradeAndVerify(new MiniDFSCluster.Builder(upgradeConf).NumDataNodes(4), null);
NUnit.Framework.Assert.Fail("Upgrade did not fail with bad MD5");
}
catch (IOException ioe)
{
string msg = StringUtils.StringifyException(ioe);
if (!msg.Contains("Failed to load an FSImage file"))
{
throw;
}
int md5failures = appender.CountExceptionsWithMessage(" is corrupt with MD5 checksum of "
);
NUnit.Framework.Assert.AreEqual("Upgrade did not fail with bad MD5", 1, md5failures
);
}
}
/// <exception cref="System.Exception"/>
private void TestFailoverFinalizesAndReadsInProgress(bool partialTxAtEnd)
{
Configuration conf = new Configuration();
MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf).NnTopology(MiniDFSNNTopology
.SimpleHATopology()).NumDataNodes(0).Build();
try
{
// Create a fake in-progress edit-log in the shared directory
URI sharedUri = cluster.GetSharedEditsDir(0, 1);
FilePath sharedDir = new FilePath(sharedUri.GetPath(), "current");
FSNamesystem fsn = cluster.GetNamesystem(0);
FSImageTestUtil.CreateAbortedLogWithMkdirs(sharedDir, NumDirsInLog, 1, fsn.GetFSDirectory
().GetLastInodeId() + 1);
AssertEditFiles(Sharpen.Collections.SingletonList(sharedUri), NNStorage.GetInProgressEditsFileName
(1));
if (partialTxAtEnd)
{
FileOutputStream outs = null;
try
{
FilePath editLogFile = new FilePath(sharedDir, NNStorage.GetInProgressEditsFileName
(1));
outs = new FileOutputStream(editLogFile, true);
outs.Write(new byte[] { unchecked ((int)(0x18)), unchecked ((int)(0x00)), unchecked (
(int)(0x00)), unchecked ((int)(0x00)) });
Log.Error("editLogFile = " + editLogFile);
}
finally
{
IOUtils.Cleanup(Log, outs);
}
}
// Transition one of the NNs to active
cluster.TransitionToActive(0);
// In the transition to active, it should have read the log -- and
// hence see one of the dirs we made in the fake log.
string testPath = "/dir" + NumDirsInLog;
NUnit.Framework.Assert.IsNotNull(cluster.GetNameNode(0).GetRpcServer().GetFileInfo
(testPath));
// It also should have finalized that log in the shared directory and started
// writing to a new one at the next txid.
AssertEditFiles(Sharpen.Collections.SingletonList(sharedUri), NNStorage.GetFinalizedEditsFileName
(1, NumDirsInLog + 1), NNStorage.GetInProgressEditsFileName(NumDirsInLog + 2));
}
finally
{
cluster.Shutdown();
}
}
public virtual void TestFedSingleNN()
{
MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf).NameNodePort(9927).Build
();
try
{
NameNode nn1 = cluster.GetNameNode();
NUnit.Framework.Assert.IsNotNull("cannot create nn1", nn1);
string bpid1 = FSImageTestUtil.GetFSImage(nn1).GetBlockPoolID();
string cid1 = FSImageTestUtil.GetFSImage(nn1).GetClusterID();
int lv1 = FSImageTestUtil.GetFSImage(nn1).GetLayoutVersion();
Log.Info("nn1: lv=" + lv1 + ";cid=" + cid1 + ";bpid=" + bpid1 + ";uri=" + nn1.GetNameNodeAddress
());
// check number of vlumes in fsdataset
DataNode dn = cluster.GetDataNodes()[0];
IDictionary <string, object> volInfos = dn.data.GetVolumeInfoMap();
NUnit.Framework.Assert.IsTrue("No volumes in the fsdataset", volInfos.Count > 0);
int i = 0;
foreach (KeyValuePair <string, object> e in volInfos)
{
Log.Info("vol " + i++ + ") " + e.Key + ": " + e.Value);
}
// number of volumes should be 2 - [data1, data2]
NUnit.Framework.Assert.AreEqual("number of volumes is wrong", 2, volInfos.Count);
foreach (BPOfferService bpos in dn.GetAllBpOs())
{
Log.Info("reg: bpid=" + "; name=" + bpos.bpRegistration + "; sid=" + bpos.bpRegistration
.GetDatanodeUuid() + "; nna=" + GetNNSocketAddress(bpos));
}
// try block report
BPOfferService bpos1 = dn.GetAllBpOs()[0];
bpos1.TriggerBlockReportForTests();
NUnit.Framework.Assert.AreEqual("wrong nn address", GetNNSocketAddress(bpos1), nn1
.GetNameNodeAddress());
NUnit.Framework.Assert.AreEqual("wrong bpid", bpos1.GetBlockPoolId(), bpid1);
NUnit.Framework.Assert.AreEqual("wrong cid", dn.GetClusterId(), cid1);
cluster.Shutdown();
// Ensure all the BPOfferService threads are shutdown
NUnit.Framework.Assert.AreEqual(0, dn.GetAllBpOs().Length);
cluster = null;
}
finally
{
if (cluster != null)
{
cluster.Shutdown();
}
}
}
/// <exception cref="System.Exception"/>
private void TestUpgrade(TestBootstrapStandbyWithQJM.UpgradeState state)
{
cluster.TransitionToActive(0);
Configuration confNN1 = cluster.GetConfiguration(1);
FilePath current = cluster.GetNameNode(1).GetFSImage().GetStorage().GetStorageDir
(0).GetCurrentDir();
FilePath tmp = cluster.GetNameNode(1).GetFSImage().GetStorage().GetStorageDir(0).
GetPreviousTmp();
// shut down nn1
cluster.ShutdownNameNode(1);
// make NN0 in upgrade state
FSImage fsImage0 = cluster.GetNameNode(0).GetNamesystem().GetFSImage();
Whitebox.SetInternalState(fsImage0, "isUpgradeFinalized", false);
switch (state)
{
case TestBootstrapStandbyWithQJM.UpgradeState.Recover:
{
// rename the current directory to previous.tmp in nn1
NNStorage.Rename(current, tmp);
break;
}
case TestBootstrapStandbyWithQJM.UpgradeState.Format:
{
// rename the current directory to a random name so it's not formatted
FilePath wrongPath = new FilePath(current.GetParentFile(), "wrong");
NNStorage.Rename(current, wrongPath);
break;
}
default:
{
break;
}
}
int rc = BootstrapStandby.Run(new string[] { "-force" }, confNN1);
NUnit.Framework.Assert.AreEqual(0, rc);
// Should have copied over the namespace from the standby
FSImageTestUtil.AssertNNHasCheckpoints(cluster, 1, ImmutableList.Of(0));
FSImageTestUtil.AssertNNFilesMatch(cluster);
// make sure the NN1 is in upgrade state, i.e., the previous directory has
// been successfully created
cluster.RestartNameNode(1);
NUnit.Framework.Assert.IsFalse(cluster.GetNameNode(1).GetNamesystem().IsUpgradeFinalized
());
}
public virtual void TestBootstrapStandbyWithActiveNN()
{
// make the first NN in active state
cluster.TransitionToActive(0);
Configuration confNN1 = cluster.GetConfiguration(1);
// shut down nn1
cluster.ShutdownNameNode(1);
int rc = BootstrapStandby.Run(new string[] { "-force" }, confNN1);
NUnit.Framework.Assert.AreEqual(0, rc);
// Should have copied over the namespace from the standby
FSImageTestUtil.AssertNNHasCheckpoints(cluster, 1, ImmutableList.Of(0));
FSImageTestUtil.AssertNNFilesMatch(cluster);
}
/// <summary>
/// Verify that the current directory exists and that the previous directory
/// does not exist.
/// </summary>
/// <remarks>
/// Verify that the current directory exists and that the previous directory
/// does not exist. Verify that current hasn't been modified by comparing
/// the checksum of all it's containing files with their original checksum.
/// </remarks>
/// <exception cref="System.Exception"/>
internal static void CheckResult(string[] nameNodeDirs, string[] dataNodeDirs, string
bpid)
{
IList <FilePath> dirs = Lists.NewArrayList();
for (int i = 0; i < nameNodeDirs.Length; i++)
{
FilePath curDir = new FilePath(nameNodeDirs[i], "current");
dirs.AddItem(curDir);
FSImageTestUtil.AssertReasonableNameCurrentDir(curDir);
}
FSImageTestUtil.AssertParallelFilesAreIdentical(dirs, Sharpen.Collections.EmptySet
<string>());
FilePath[] dnCurDirs = new FilePath[dataNodeDirs.Length];
for (int i_1 = 0; i_1 < dataNodeDirs.Length; i_1++)
{
dnCurDirs[i_1] = new FilePath(dataNodeDirs[i_1], "current");
NUnit.Framework.Assert.AreEqual(UpgradeUtilities.ChecksumContents(HdfsServerConstants.NodeType
.DataNode, dnCurDirs[i_1], false), UpgradeUtilities.ChecksumMasterDataNodeContents
());
}
for (int i_2 = 0; i_2 < nameNodeDirs.Length; i_2++)
{
NUnit.Framework.Assert.IsFalse(new FilePath(nameNodeDirs[i_2], "previous").IsDirectory
());
}
if (bpid == null)
{
for (int i_3 = 0; i_3 < dataNodeDirs.Length; i_3++)
{
NUnit.Framework.Assert.IsFalse(new FilePath(dataNodeDirs[i_3], "previous").IsDirectory
());
}
}
else
{
for (int i_3 = 0; i_3 < dataNodeDirs.Length; i_3++)
{
FilePath bpRoot = BlockPoolSliceStorage.GetBpRoot(bpid, dnCurDirs[i_3]);
NUnit.Framework.Assert.IsFalse(new FilePath(bpRoot, "previous").IsDirectory());
FilePath bpCurFinalizeDir = new FilePath(bpRoot, "current/" + DataStorage.StorageDirFinalized
);
NUnit.Framework.Assert.AreEqual(UpgradeUtilities.ChecksumContents(HdfsServerConstants.NodeType
.DataNode, bpCurFinalizeDir, true), UpgradeUtilities.ChecksumMasterBlockPoolFinalizedContents
());
}
}
}
public virtual void TestBootstrapStandbyWithActiveNN()
{
// make nn0 active
cluster.TransitionToActive(0);
// do ops and generate in-progress edit log data
Configuration confNN1 = cluster.GetConfiguration(1);
DistributedFileSystem dfs = (DistributedFileSystem)HATestUtil.ConfigureFailoverFs
(cluster, confNN1);
for (int i = 1; i <= 10; i++)
{
dfs.Mkdirs(new Path("/test" + i));
}
dfs.Close();
// shutdown nn1 and delete its edit log files
cluster.ShutdownNameNode(1);
DeleteEditLogIfExists(confNN1);
cluster.GetNameNodeRpc(0).SetSafeMode(HdfsConstants.SafeModeAction.SafemodeEnter,
true);
cluster.GetNameNodeRpc(0).SaveNamespace();
cluster.GetNameNodeRpc(0).SetSafeMode(HdfsConstants.SafeModeAction.SafemodeLeave,
true);
// check without -skipSharedEditsCheck, Bootstrap should fail for BKJM
// immediately after saveNamespace
int rc = BootstrapStandby.Run(new string[] { "-force", "-nonInteractive" }, confNN1
);
NUnit.Framework.Assert.AreEqual("Mismatches return code", 6, rc);
// check with -skipSharedEditsCheck
rc = BootstrapStandby.Run(new string[] { "-force", "-nonInteractive", "-skipSharedEditsCheck" }, confNN1);
NUnit.Framework.Assert.AreEqual("Mismatches return code", 0, rc);
// Checkpoint as fast as we can, in a tight loop.
confNN1.SetInt(DFSConfigKeys.DfsNamenodeCheckpointPeriodKey, 1);
cluster.RestartNameNode(1);
cluster.TransitionToStandby(1);
NameNode nn0 = cluster.GetNameNode(0);
HATestUtil.WaitForStandbyToCatchUp(nn0, cluster.GetNameNode(1));
long expectedCheckpointTxId = NameNodeAdapter.GetNamesystem(nn0).GetFSImage().GetMostRecentCheckpointTxId
();
HATestUtil.WaitForCheckpoint(cluster, 1, ImmutableList.Of((int)expectedCheckpointTxId
));
// Should have copied over the namespace
FSImageTestUtil.AssertNNHasCheckpoints(cluster, 1, ImmutableList.Of((int)expectedCheckpointTxId
));
FSImageTestUtil.AssertNNFilesMatch(cluster);
}
/// <summary>
/// Test for the case when both of the NNs in the cluster are
/// in the standby state, and thus are both creating checkpoints
/// and uploading them to each other.
/// </summary>
/// <remarks>
/// Test for the case when both of the NNs in the cluster are
/// in the standby state, and thus are both creating checkpoints
/// and uploading them to each other.
/// In this circumstance, they should receive the error from the
/// other node indicating that the other node already has a
/// checkpoint for the given txid, but this should not cause
/// an abort, etc.
/// </remarks>
/// <exception cref="System.Exception"/>
public virtual void TestBothNodesInStandbyState()
{
DoEdits(0, 10);
cluster.TransitionToStandby(0);
// Transitioning to standby closed the edit log on the active,
// so the standby will catch up. Then, both will be in standby mode
// with enough uncheckpointed txns to cause a checkpoint, and they
// will each try to take a checkpoint and upload to each other.
HATestUtil.WaitForCheckpoint(cluster, 1, ImmutableList.Of(12));
HATestUtil.WaitForCheckpoint(cluster, 0, ImmutableList.Of(12));
NUnit.Framework.Assert.AreEqual(12, nn0.GetNamesystem().GetFSImage().GetMostRecentCheckpointTxId
());
NUnit.Framework.Assert.AreEqual(12, nn1.GetNamesystem().GetFSImage().GetMostRecentCheckpointTxId
());
IList <FilePath> dirs = Lists.NewArrayList();
Sharpen.Collections.AddAll(dirs, FSImageTestUtil.GetNameNodeCurrentDirs(cluster,
0));
Sharpen.Collections.AddAll(dirs, FSImageTestUtil.GetNameNodeCurrentDirs(cluster,
1));
FSImageTestUtil.AssertParallelFilesAreIdentical(dirs, ImmutableSet.Of <string>());
}
public virtual void TestSuccessfulBaseCase()
{
RemoveStandbyNameDirs();
try
{
cluster.RestartNameNode(1);
NUnit.Framework.Assert.Fail("Did not throw");
}
catch (IOException ioe)
{
GenericTestUtils.AssertExceptionContains("storage directory does not exist or is not accessible"
, ioe);
}
int rc = BootstrapStandby.Run(new string[] { "-nonInteractive" }, cluster.GetConfiguration
(1));
NUnit.Framework.Assert.AreEqual(0, rc);
// Should have copied over the namespace from the active
FSImageTestUtil.AssertNNHasCheckpoints(cluster, 1, ImmutableList.Of(0));
FSImageTestUtil.AssertNNFilesMatch(cluster);
// We should now be able to start the standby successfully.
cluster.RestartNameNode(1);
}
/// <summary>
/// Test cancellation of ongoing checkpoints when failover happens
/// mid-checkpoint.
/// </summary>
/// <exception cref="System.Exception"/>
public virtual void TestCheckpointCancellation()
{
cluster.TransitionToStandby(0);
// Create an edit log in the shared edits dir with a lot
// of mkdirs operations. This is solely so that the image is
// large enough to take a non-trivial amount of time to load.
// (only ~15MB)
URI sharedUri = cluster.GetSharedEditsDir(0, 1);
FilePath sharedDir = new FilePath(sharedUri.GetPath(), "current");
FilePath tmpDir = new FilePath(MiniDFSCluster.GetBaseDirectory(), "testCheckpointCancellation-tmp"
);
FSNamesystem fsn = cluster.GetNamesystem(0);
FSImageTestUtil.CreateAbortedLogWithMkdirs(tmpDir, NumDirsInLog, 3, fsn.GetFSDirectory
().GetLastInodeId() + 1);
string fname = NNStorage.GetInProgressEditsFileName(3);
new FilePath(tmpDir, fname).RenameTo(new FilePath(sharedDir, fname));
// Checkpoint as fast as we can, in a tight loop.
cluster.GetConfiguration(1).SetInt(DFSConfigKeys.DfsNamenodeCheckpointPeriodKey,
0);
cluster.RestartNameNode(1);
nn1 = cluster.GetNameNode(1);
cluster.TransitionToActive(0);
bool canceledOne = false;
for (int i = 0; i < 10 && !canceledOne; i++)
{
DoEdits(i * 10, i * 10 + 10);
cluster.TransitionToStandby(0);
cluster.TransitionToActive(1);
cluster.TransitionToStandby(1);
cluster.TransitionToActive(0);
canceledOne = StandbyCheckpointer.GetCanceledCount() > 0;
}
NUnit.Framework.Assert.IsTrue(canceledOne);
}
public virtual void TestDownloadingLaterCheckpoint()
{
// Roll edit logs a few times to inflate txid
nn0.GetRpcServer().RollEditLog();
nn0.GetRpcServer().RollEditLog();
// Make checkpoint
NameNodeAdapter.EnterSafeMode(nn0, false);
NameNodeAdapter.SaveNamespace(nn0);
NameNodeAdapter.LeaveSafeMode(nn0);
long expectedCheckpointTxId = NameNodeAdapter.GetNamesystem(nn0).GetFSImage().GetMostRecentCheckpointTxId
();
NUnit.Framework.Assert.AreEqual(6, expectedCheckpointTxId);
int rc = BootstrapStandby.Run(new string[] { "-force" }, cluster.GetConfiguration
(1));
NUnit.Framework.Assert.AreEqual(0, rc);
// Should have copied over the namespace from the active
FSImageTestUtil.AssertNNHasCheckpoints(cluster, 1, ImmutableList.Of((int)expectedCheckpointTxId
));
FSImageTestUtil.AssertNNFilesMatch(cluster);
// We should now be able to start the standby successfully.
cluster.RestartNameNode(1);
}
public static void CreateOriginalFSImage()
{
MiniDFSCluster cluster = null;
try
{
Configuration conf = new Configuration();
conf.SetLong(DFSConfigKeys.DfsNamenodeDelegationTokenMaxLifetimeKey, 10000);
conf.SetLong(DFSConfigKeys.DfsNamenodeDelegationTokenRenewIntervalKey, 5000);
conf.SetBoolean(DFSConfigKeys.DfsNamenodeDelegationTokenAlwaysUseKey, true);
conf.Set(CommonConfigurationKeysPublic.HadoopSecurityAuthToLocal, "RULE:[2:$1@$0](JobTracker@.*FOO.COM)s/@.*//"
+ "DEFAULT");
cluster = new MiniDFSCluster.Builder(conf).NumDataNodes(1).Build();
cluster.WaitActive();
DistributedFileSystem hdfs = cluster.GetFileSystem();
// Create a reasonable namespace
for (int i = 0; i < NumDirs; i++)
{
Path dir = new Path("/dir" + i);
hdfs.Mkdirs(dir);
writtenFiles[dir.ToString()] = PathToFileEntry(hdfs, dir.ToString());
for (int j = 0; j < FilesPerDir; j++)
{
Path file = new Path(dir, "file" + j);
FSDataOutputStream o = hdfs.Create(file);
o.Write(23);
o.Close();
writtenFiles[file.ToString()] = PathToFileEntry(hdfs, file.ToString());
}
}
// Create an empty directory
Path emptydir = new Path("/emptydir");
hdfs.Mkdirs(emptydir);
writtenFiles[emptydir.ToString()] = hdfs.GetFileStatus(emptydir);
//Create a directory whose name should be escaped in XML
Path invalidXMLDir = new Path("/dirContainingInvalidXMLChar\u0000here");
hdfs.Mkdirs(invalidXMLDir);
// Get delegation tokens so we log the delegation token op
Org.Apache.Hadoop.Security.Token.Token <object>[] delegationTokens = hdfs.AddDelegationTokens
(TestRenewer, null);
foreach (Org.Apache.Hadoop.Security.Token.Token <object> t in delegationTokens)
{
Log.Debug("got token " + t);
}
Path snapshot = new Path("/snapshot");
hdfs.Mkdirs(snapshot);
hdfs.AllowSnapshot(snapshot);
hdfs.Mkdirs(new Path("/snapshot/1"));
hdfs.Delete(snapshot, true);
// Set XAttrs so the fsimage contains XAttr ops
Path xattr = new Path("/xattr");
hdfs.Mkdirs(xattr);
hdfs.SetXAttr(xattr, "user.a1", new byte[] { unchecked ((int)(0x31)), unchecked ((int
)(0x32)), unchecked ((int)(0x33)) });
hdfs.SetXAttr(xattr, "user.a2", new byte[] { unchecked ((int)(0x37)), unchecked ((int
)(0x38)), unchecked ((int)(0x39)) });
// OIV should be able to handle empty value XAttrs
hdfs.SetXAttr(xattr, "user.a3", null);
writtenFiles[xattr.ToString()] = hdfs.GetFileStatus(xattr);
// Write results to the fsimage file
hdfs.SetSafeMode(HdfsConstants.SafeModeAction.SafemodeEnter, false);
hdfs.SaveNamespace();
// Determine location of fsimage file
originalFsimage = FSImageTestUtil.FindLatestImageFile(FSImageTestUtil.GetFSImage(
cluster.GetNameNode()).GetStorage().GetStorageDir(0));
if (originalFsimage == null)
{
throw new RuntimeException("Didn't generate or can't find fsimage");
}
Log.Debug("original FS image file is " + originalFsimage);
}
finally
{
if (cluster != null)
{
cluster.Shutdown();
}
}
}
public static void CreateOriginalFSImage()
{
MiniDFSCluster cluster = null;
try
{
Configuration conf = new Configuration();
conf.SetBoolean(DFSConfigKeys.DfsNamenodeAclsEnabledKey, true);
cluster = new MiniDFSCluster.Builder(conf).Build();
cluster.WaitActive();
DistributedFileSystem hdfs = cluster.GetFileSystem();
// Create a reasonable namespace with ACLs
Path dir = new Path("/dirWithNoAcl");
hdfs.Mkdirs(dir);
writtenAcls[dir.ToString()] = hdfs.GetAclStatus(dir);
dir = new Path("/dirWithDefaultAcl");
hdfs.Mkdirs(dir);
hdfs.SetAcl(dir, Lists.NewArrayList(AclTestHelpers.AclEntry(AclEntryScope.Default
, AclEntryType.User, FsAction.All), AclTestHelpers.AclEntry(AclEntryScope.Default
, AclEntryType.User, "foo", FsAction.All), AclTestHelpers.AclEntry(AclEntryScope
.Default, AclEntryType.Group, FsAction.ReadExecute), AclTestHelpers.AclEntry(AclEntryScope
.Default, AclEntryType.Other, FsAction.None)));
writtenAcls[dir.ToString()] = hdfs.GetAclStatus(dir);
Path file = new Path("/noAcl");
FSDataOutputStream o = hdfs.Create(file);
o.Write(23);
o.Close();
writtenAcls[file.ToString()] = hdfs.GetAclStatus(file);
file = new Path("/withAcl");
o = hdfs.Create(file);
o.Write(23);
o.Close();
hdfs.SetAcl(file, Lists.NewArrayList(AclTestHelpers.AclEntry(AclEntryScope.Access
, AclEntryType.User, FsAction.ReadWrite), AclTestHelpers.AclEntry(AclEntryScope.
Access, AclEntryType.User, "foo", FsAction.Read), AclTestHelpers.AclEntry(AclEntryScope
.Access, AclEntryType.Group, FsAction.Read), AclTestHelpers.AclEntry(AclEntryScope
.Access, AclEntryType.Other, FsAction.None)));
writtenAcls[file.ToString()] = hdfs.GetAclStatus(file);
file = new Path("/withSeveralAcls");
o = hdfs.Create(file);
o.Write(23);
o.Close();
hdfs.SetAcl(file, Lists.NewArrayList(AclTestHelpers.AclEntry(AclEntryScope.Access
, AclEntryType.User, FsAction.ReadWrite), AclTestHelpers.AclEntry(AclEntryScope.
Access, AclEntryType.User, "foo", FsAction.ReadWrite), AclTestHelpers.AclEntry(AclEntryScope
.Access, AclEntryType.User, "bar", FsAction.Read), AclTestHelpers.AclEntry(AclEntryScope
.Access, AclEntryType.Group, FsAction.Read), AclTestHelpers.AclEntry(AclEntryScope
.Access, AclEntryType.Group, "group", FsAction.Read), AclTestHelpers.AclEntry(AclEntryScope
.Access, AclEntryType.Other, FsAction.None)));
writtenAcls[file.ToString()] = hdfs.GetAclStatus(file);
// Write results to the fsimage file
hdfs.SetSafeMode(HdfsConstants.SafeModeAction.SafemodeEnter, false);
hdfs.SaveNamespace();
// Determine the location of the fsimage file
originalFsimage = FSImageTestUtil.FindLatestImageFile(FSImageTestUtil.GetFSImage(
cluster.GetNameNode()).GetStorage().GetStorageDir(0));
if (originalFsimage == null)
{
throw new RuntimeException("Didn't generate or can't find fsimage");
}
Log.Debug("original FS image file is " + originalFsimage);
}
finally
{
if (cluster != null)
{
cluster.Shutdown();
}
}
}
public virtual void TestAppendRestart()
{
Configuration conf = new HdfsConfiguration();
// Turn off persistent IPC, so that the DFSClient can survive NN restart
conf.SetInt(CommonConfigurationKeysPublic.IpcClientConnectionMaxidletimeKey, 0);
MiniDFSCluster cluster = null;
FSDataOutputStream stream = null;
try
{
cluster = new MiniDFSCluster.Builder(conf).NumDataNodes(1).Build();
FileSystem fs = cluster.GetFileSystem();
FilePath editLog = new FilePath(FSImageTestUtil.GetNameNodeCurrentDirs(cluster, 0
)[0], NNStorage.GetInProgressEditsFileName(1));
EnumMap <FSEditLogOpCodes, Holder <int> > counts;
Path p1 = new Path("/block-boundaries");
WriteAndAppend(fs, p1, BlockSize, BlockSize);
counts = FSImageTestUtil.CountEditLogOpTypes(editLog);
// OP_ADD to create file
// OP_ADD_BLOCK for first block
// OP_CLOSE to close file
// OP_APPEND to reopen file
// OP_ADD_BLOCK for second block
// OP_CLOSE to close file
NUnit.Framework.Assert.AreEqual(1, (int)counts[FSEditLogOpCodes.OpAdd].held);
NUnit.Framework.Assert.AreEqual(1, (int)counts[FSEditLogOpCodes.OpAppend].held);
NUnit.Framework.Assert.AreEqual(2, (int)counts[FSEditLogOpCodes.OpAddBlock].held);
NUnit.Framework.Assert.AreEqual(2, (int)counts[FSEditLogOpCodes.OpClose].held);
Path p2 = new Path("/not-block-boundaries");
WriteAndAppend(fs, p2, BlockSize / 2, BlockSize);
counts = FSImageTestUtil.CountEditLogOpTypes(editLog);
// OP_ADD to create file
// OP_ADD_BLOCK for first block
// OP_CLOSE to close file
// OP_APPEND to re-establish the lease
// OP_UPDATE_BLOCKS from the updatePipeline call (increments genstamp of last block)
// OP_ADD_BLOCK at the start of the second block
// OP_CLOSE to close file
// Total: 2 OP_ADDs, 1 OP_UPDATE_BLOCKS, 2 OP_ADD_BLOCKs, and 2 OP_CLOSEs
// in addition to the ones above
NUnit.Framework.Assert.AreEqual(2, (int)counts[FSEditLogOpCodes.OpAdd].held);
NUnit.Framework.Assert.AreEqual(2, (int)counts[FSEditLogOpCodes.OpAppend].held);
NUnit.Framework.Assert.AreEqual(1, (int)counts[FSEditLogOpCodes.OpUpdateBlocks].held
);
NUnit.Framework.Assert.AreEqual(2 + 2, (int)counts[FSEditLogOpCodes.OpAddBlock].held
);
NUnit.Framework.Assert.AreEqual(2 + 2, (int)counts[FSEditLogOpCodes.OpClose].held
);
cluster.RestartNameNode();
AppendTestUtil.Check(fs, p1, 2 * BlockSize);
AppendTestUtil.Check(fs, p2, 3 * BlockSize / 2);
}
finally
{
IOUtils.CloseStream(stream);
if (cluster != null)
{
cluster.Shutdown();
}
}
}
public virtual void Test2NNRegistration()
{
MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf).NnTopology(MiniDFSNNTopology
.SimpleFederatedTopology(2)).Build();
try
{
cluster.WaitActive();
NameNode nn1 = cluster.GetNameNode(0);
NameNode nn2 = cluster.GetNameNode(1);
NUnit.Framework.Assert.IsNotNull("cannot create nn1", nn1);
NUnit.Framework.Assert.IsNotNull("cannot create nn2", nn2);
string bpid1 = FSImageTestUtil.GetFSImage(nn1).GetBlockPoolID();
string bpid2 = FSImageTestUtil.GetFSImage(nn2).GetBlockPoolID();
string cid1 = FSImageTestUtil.GetFSImage(nn1).GetClusterID();
string cid2 = FSImageTestUtil.GetFSImage(nn2).GetClusterID();
int lv1 = FSImageTestUtil.GetFSImage(nn1).GetLayoutVersion();
int lv2 = FSImageTestUtil.GetFSImage(nn2).GetLayoutVersion();
int ns1 = FSImageTestUtil.GetFSImage(nn1).GetNamespaceID();
int ns2 = FSImageTestUtil.GetFSImage(nn2).GetNamespaceID();
NUnit.Framework.Assert.AreNotSame("namespace ids should be different", ns1, ns2);
Log.Info("nn1: lv=" + lv1 + ";cid=" + cid1 + ";bpid=" + bpid1 + ";uri=" + nn1.GetNameNodeAddress
());
Log.Info("nn2: lv=" + lv2 + ";cid=" + cid2 + ";bpid=" + bpid2 + ";uri=" + nn2.GetNameNodeAddress
());
// check number of volumes in fsdataset
DataNode dn = cluster.GetDataNodes()[0];
IDictionary <string, object> volInfos = dn.data.GetVolumeInfoMap();
NUnit.Framework.Assert.IsTrue("No volumes in the fsdataset", volInfos.Count > 0);
int i = 0;
foreach (KeyValuePair <string, object> e in volInfos)
{
Log.Info("vol " + i++ + ") " + e.Key + ": " + e.Value);
}
// number of volumes should be 2 - [data1, data2]
NUnit.Framework.Assert.AreEqual("number of volumes is wrong", 2, volInfos.Count);
foreach (BPOfferService bpos in dn.GetAllBpOs())
{
Log.Info("BP: " + bpos);
}
BPOfferService bpos1 = dn.GetAllBpOs()[0];
BPOfferService bpos2 = dn.GetAllBpOs()[1];
// The order of bpos is not guaranteed, so fix the order
if (GetNNSocketAddress(bpos1).Equals(nn2.GetNameNodeAddress()))
{
BPOfferService tmp = bpos1;
bpos1 = bpos2;
bpos2 = tmp;
}
NUnit.Framework.Assert.AreEqual("wrong nn address", GetNNSocketAddress(bpos1), nn1
.GetNameNodeAddress());
NUnit.Framework.Assert.AreEqual("wrong nn address", GetNNSocketAddress(bpos2), nn2
.GetNameNodeAddress());
NUnit.Framework.Assert.AreEqual("wrong bpid", bpos1.GetBlockPoolId(), bpid1);
NUnit.Framework.Assert.AreEqual("wrong bpid", bpos2.GetBlockPoolId(), bpid2);
NUnit.Framework.Assert.AreEqual("wrong cid", dn.GetClusterId(), cid1);
NUnit.Framework.Assert.AreEqual("cid should be same", cid2, cid1);
NUnit.Framework.Assert.AreEqual("namespace should be same", bpos1.bpNSInfo.namespaceID
, ns1);
NUnit.Framework.Assert.AreEqual("namespace should be same", bpos2.bpNSInfo.namespaceID
, ns2);
}
finally
{
cluster.Shutdown();
}
}