public virtual void DumpTreeRecursively(INodeDirectory snapshotRoot, PrintWriter
@out, StringBuilder prefix, int snapshot)
{
if (snapshot == Org.Apache.Hadoop.Hdfs.Server.Namenode.Snapshot.Snapshot.CurrentStateId)
{
@out.WriteLine();
@out.Write(prefix);
@out.Write("Snapshot of ");
string name = snapshotRoot.GetLocalName();
@out.Write(name.IsEmpty() ? "/" : name);
@out.Write(": quota=");
@out.Write(GetSnapshotQuota());
int n = 0;
foreach (DirectoryWithSnapshotFeature.DirectoryDiff diff in GetDiffs())
{
if (diff.IsSnapshotRoot())
{
n++;
}
}
Preconditions.CheckState(n == snapshotsByNames.Count, "#n=" + n + ", snapshotsByNames.size()="
+ snapshotsByNames.Count);
@out.Write(", #snapshot=");
@out.WriteLine(n);
INodeDirectory.DumpTreeRecursively(@out, prefix, new _IEnumerable_416(this));
}
}
public virtual void TestSimplePlacementPolicyFromConf()
{
Configuration conf = new Configuration();
conf.Set(FairSchedulerConfiguration.AllocationFile, AllocFile);
conf.SetBoolean(FairSchedulerConfiguration.AllowUndeclaredPools, false);
conf.SetBoolean(FairSchedulerConfiguration.UserAsDefaultQueue, false);
PrintWriter @out = new PrintWriter(new FileWriter(AllocFile));
@out.WriteLine("<?xml version=\"1.0\"?>");
@out.WriteLine("<allocations>");
@out.WriteLine("</allocations>");
@out.Close();
AllocationFileLoaderService allocLoader = new AllocationFileLoaderService();
allocLoader.Init(conf);
TestAllocationFileLoaderService.ReloadListener confHolder = new TestAllocationFileLoaderService.ReloadListener
(this);
allocLoader.SetReloadListener(confHolder);
allocLoader.ReloadAllocations();
AllocationConfiguration allocConf = confHolder.allocConf;
QueuePlacementPolicy placementPolicy = allocConf.GetPlacementPolicy();
IList <QueuePlacementRule> rules = placementPolicy.GetRules();
NUnit.Framework.Assert.AreEqual(2, rules.Count);
NUnit.Framework.Assert.AreEqual(typeof(QueuePlacementRule.Specified), rules[0].GetType
());
NUnit.Framework.Assert.AreEqual(false, rules[0].create);
NUnit.Framework.Assert.AreEqual(typeof(QueuePlacementRule.Default), rules[1].GetType
());
}
/// <summary>
/// Creates a script to run a container that will run forever unless
/// stopped by external means.
/// </summary>
/// <exception cref="System.IO.IOException"/>
private static FilePath CreateUnhaltingScriptFile(ContainerId cId, FilePath scriptFileDir
, FilePath processStartFile)
{
FilePath scriptFile = Shell.AppendScriptExtension(scriptFileDir, "scriptFile");
PrintWriter fileWriter = new PrintWriter(scriptFile);
if (Shell.Windows)
{
fileWriter.WriteLine("@echo \"Running testscript for delayed kill\"");
fileWriter.WriteLine("@echo \"Writing pid to start file\"");
fileWriter.WriteLine("@echo " + cId + ">> " + processStartFile);
fileWriter.WriteLine("@pause");
}
else
{
fileWriter.Write("#!/bin/bash\n\n");
fileWriter.Write("echo \"Running testscript for delayed kill\"\n");
fileWriter.Write("hello=\"Got SIGTERM\"\n");
fileWriter.Write("umask 0\n");
fileWriter.Write("trap \"echo $hello >> " + processStartFile + "\" SIGTERM\n");
fileWriter.Write("echo \"Writing pid to start file\"\n");
fileWriter.Write("echo $$ >> " + processStartFile + "\n");
fileWriter.Write("while true; do\ndate >> /dev/null;\n done\n");
}
fileWriter.Close();
return(scriptFile);
}
private static void PrintLockInfo(LockInfo[] locks, PrintWriter @out)
{
@out.WriteLine(Indent + "Locked synchronizers: count = " + locks.Length);
foreach (LockInfo li in locks)
{
@out.WriteLine(Indent + " - " + li);
}
@out.WriteLine();
}
/// <exception cref="System.Exception"/>
public override void TestFailure(Failure failure)
{
if (failure != null && failure.GetMessage() != null && failure.GetMessage().StartsWith
(TestTimedOutPrefix))
{
output.WriteLine("====> TEST TIMED OUT. PRINTING THREAD DUMP. <====");
output.WriteLine();
output.Write(BuildThreadDiagnosticString());
}
}
/// <exception cref="System.IO.IOException"/>
private static void Process(Logger log, string level, PrintWriter @out)
{
if (level != null)
{
log.SetLevel(Level.Parse(level));
@out.WriteLine(Marker + "Setting Level to " + level + " ...<br />");
}
Level lev;
for (; (lev = log.GetLevel()) == null; log = log.GetParent())
{
}
@out.WriteLine(Marker + "Effective level: <b>" + lev + "</b><br />");
}
/// <summary>Write output to files.</summary>
/// <exception cref="System.IO.IOException"/>
/// <exception cref="System.Exception"/>
protected override void Cleanup(Reducer.Context context)
{
Configuration conf = context.GetConfiguration();
Path dir = new Path(conf.Get(WorkingDirProperty));
FileSystem fs = dir.GetFileSystem(conf);
{
// write hex output
Path hexfile = new Path(conf.Get(HexFileProperty));
OutputStream @out = new BufferedOutputStream(fs.Create(hexfile));
try
{
foreach (byte b in hex)
{
@out.Write(b);
}
}
finally
{
@out.Close();
}
}
// If the starting digit is 1,
// the hex value can be converted to decimal value.
if (conf.GetInt(DigitStartProperty, 1) == 1)
{
Path outfile = new Path(dir, "pi.txt");
Log.Info("Writing text output to " + outfile);
OutputStream outputstream = fs.Create(outfile);
try
{
PrintWriter @out = new PrintWriter(new OutputStreamWriter(outputstream, Charsets.
Utf8), true);
// write hex text
Print(@out, hex.GetEnumerator(), "Pi = 0x3.", "%02X", 5, 5);
@out.WriteLine("Total number of hexadecimal digits is " + 2 * hex.Count + ".");
// write decimal text
BaileyBorweinPlouffe.Fraction dec = new BaileyBorweinPlouffe.Fraction(hex);
int decDigits = 2 * hex.Count;
// TODO: this is conservative.
Print(@out, new _IEnumerator_168(decDigits, dec), "Pi = 3.", "%d", 10, 5);
@out.WriteLine("Total number of decimal digits is " + decDigits + ".");
}
finally
{
outputstream.Close();
}
}
}
/// <exception cref="System.Exception"/>
public virtual void TestShellCommandTimeout()
{
if (Shell.Windows)
{
// setExecutable does not work on Windows
return;
}
string rootDir = new FilePath(Runtime.GetProperty("test.build.data", "/tmp")).GetAbsolutePath
();
FilePath shellFile = new FilePath(rootDir, "timeout.sh");
string timeoutCommand = "sleep 4; echo \"hello\"";
PrintWriter writer = new PrintWriter(new FileOutputStream(shellFile));
writer.WriteLine(timeoutCommand);
writer.Close();
FileUtil.SetExecutable(shellFile, true);
Shell.ShellCommandExecutor shexc = new Shell.ShellCommandExecutor(new string[] {
shellFile.GetAbsolutePath()
}, null, null, 100);
try
{
shexc.Execute();
}
catch (Exception)
{
}
//When timing out exception is thrown.
shellFile.Delete();
Assert.True("Script didnt not timeout", shexc.IsTimedOut());
}
/// <summary>Start a job to compute sigma</summary>
/// <exception cref="System.IO.IOException"/>
private void Compute(string name, Summation sigma)
{
if (sigma.GetValue() != null)
{
throw new IOException("sigma.getValue() != null, sigma=" + sigma);
}
//setup remote directory
FileSystem fs = FileSystem.Get(GetConf());
Path dir = fs.MakeQualified(new Path(parameters.remoteDir, name));
if (!Org.Apache.Hadoop.Examples.PI.Util.CreateNonexistingDirectory(fs, dir))
{
return;
}
//setup a job
Job job = CreateJob(name, sigma);
Path outdir = new Path(dir, "out");
FileOutputFormat.SetOutputPath(job, outdir);
//start a map/reduce job
string startmessage = "steps/parts = " + sigma.E.GetSteps() + "/" + parameters.nParts
+ " = " + Org.Apache.Hadoop.Examples.PI.Util.Long2string(sigma.E.GetSteps() / parameters
.nParts);
Org.Apache.Hadoop.Examples.PI.Util.RunJob(name, job, parameters.machine, startmessage
, timer);
IList <TaskResult> results = Org.Apache.Hadoop.Examples.PI.Util.ReadJobOutputs(fs,
outdir);
Org.Apache.Hadoop.Examples.PI.Util.WriteResults(name, results, fs, parameters.remoteDir
);
fs.Delete(dir, true);
//combine results
IList <TaskResult> combined = Org.Apache.Hadoop.Examples.PI.Util.Combine(results);
PrintWriter @out = Org.Apache.Hadoop.Examples.PI.Util.CreateWriter(parameters.localDir
, name);
try
{
foreach (TaskResult r in combined)
{
string s = TaskResult2string(name, r);
@out.WriteLine(s);
@out.Flush();
[email protected](s);
}
}
finally
{
@out.Close();
}
if (combined.Count == 1)
{
Summation s = combined[0].GetElement();
if (sigma.Contains(s) && s.Contains(sigma))
{
sigma.SetValue(s.GetValue());
}
}
}
/// <exception cref="System.IO.IOException"/>
public virtual void TestSimpleGet()
{
string rootDir = new FilePath(Runtime.GetProperty("test.build.data", "/tmp")).GetAbsolutePath
();
FilePath testFile = null;
string expectedProcessId = Shell.Windows ? "container_1353742680940_0002_01_000001"
: "56789";
try
{
testFile = new FilePath(rootDir, "temp.txt");
PrintWriter fileWriter = new PrintWriter(testFile);
fileWriter.WriteLine(expectedProcessId);
fileWriter.Close();
string processId = null;
processId = ProcessIdFileReader.GetProcessId(new Path(rootDir + Path.Separator +
"temp.txt"));
NUnit.Framework.Assert.AreEqual(expectedProcessId, processId);
}
finally
{
if (testFile != null && testFile.Exists())
{
testFile.Delete();
}
}
}
public override void DumpTreeRecursively(PrintWriter @out, StringBuilder prefix,
int snapshot)
{
base.DumpTreeRecursively(@out, prefix, snapshot);
@out.Write(", childrenSize=" + GetChildrenList(snapshot).Size());
DirectoryWithQuotaFeature q = GetDirectoryWithQuotaFeature();
if (q != null)
{
@out.Write(", " + q);
}
if (this is Snapshot.Root)
{
@out.Write(", snapshotId=" + snapshot);
}
@out.WriteLine();
if (prefix.Length >= 2)
{
prefix.Length = prefix.Length - 2;
prefix.Append(" ");
}
DumpTreeRecursively(@out, prefix, new _IEnumerable_874(this, snapshot));
DirectorySnapshottableFeature s = GetDirectorySnapshottableFeature();
if (s != null)
{
s.DumpTreeRecursively(this, @out, prefix, snapshot);
}
}
/// <exception cref="System.IO.IOException"/>
private static void Process(Logger log, string level, PrintWriter @out)
{
if (level != null)
{
if (!level.Equals(Level.ToLevel(level).ToString()))
{
@out.WriteLine(Marker + "Bad level : <b>" + level + "</b><br />");
}
else
{
log.SetLevel(Level.ToLevel(level));
@out.WriteLine(Marker + "Setting Level to " + level + " ...<br />");
}
}
@out.WriteLine(Marker + "Effective level: <b>" + log.GetEffectiveLevel() + "</b><br />"
);
}
/// <summary>
/// Writes a message the the logging library and the given print writer (if it
/// is not null)
/// </summary>
/// <param name="msg">the message to write</param>
/// <param name="os">the print writer if specified to also write to</param>
private void WriteMessage(string msg, PrintWriter os)
{
Log.Info(msg);
if (os != null)
{
os.WriteLine(msg);
}
}
/// <summary>Iterate through all items and print them.</summary>
internal virtual void MetaSave(PrintWriter @out)
{
lock (pendingReplications)
{
@out.WriteLine("Metasave: Blocks being replicated: " + pendingReplications.Count);
IEnumerator <KeyValuePair <Block, PendingReplicationBlocks.PendingBlockInfo> > iter =
pendingReplications.GetEnumerator();
while (iter.HasNext())
{
KeyValuePair <Block, PendingReplicationBlocks.PendingBlockInfo> entry = iter.Next(
);
PendingReplicationBlocks.PendingBlockInfo pendingBlock = entry.Value;
Block block = entry.Key;
@out.WriteLine(block + " StartTime: " + Sharpen.Extensions.CreateDate(pendingBlock
.timeStamp) + " NumReplicaInProgress: " + pendingBlock.GetNumReplicas());
}
}
}
/// <summary>Initial HTML header</summary>
/// <exception cref="System.IO.IOException"/>
public static PrintWriter InitHTML(ServletResponse response, string title)
{
response.SetContentType("text/html");
PrintWriter @out = response.GetWriter();
@out.WriteLine("<html>\n" + "<link rel='stylesheet' type='text/css' href='/static/hadoop.css'>\n"
+ "<title>" + title + "</title>\n" + "<body>\n" + "<h1>" + title + "</h1>\n");
return(@out);
}
public override void DumpTreeRecursively(PrintWriter @out, StringBuilder prefix,
int snapshotId)
{
base.DumpTreeRecursively(@out, prefix, snapshotId);
@out.Write(", fileSize=" + ComputeFileSize(snapshotId));
// only compare the first block
@out.Write(", blocks=");
@out.Write(blocks == null || blocks.Length == 0 ? null : blocks[0]);
@out.WriteLine();
}
/// <exception cref="System.IO.IOException"/>
private string WriteScriptFile(params string[] cmd)
{
FilePath f = FilePath.CreateTempFile("TestLinuxContainerExecutor", ".sh");
f.DeleteOnExit();
PrintWriter p = new PrintWriter(new FileOutputStream(f));
p.WriteLine("#!/bin/sh");
p.Write("exec");
foreach (string part in cmd)
{
p.Write(" '");
p.Write(part.Replace("\\", "\\\\").Replace("'", "\\'"));
p.Write("'");
}
p.WriteLine();
p.Close();
return(f.GetAbsolutePath());
}
/// <exception cref="System.Exception"/>
public virtual void Test()
{
conf.Set(FairSchedulerConfiguration.AllocationFile, AllocFile);
PrintWriter @out = new PrintWriter(new FileWriter(AllocFile));
@out.WriteLine("<?xml version=\"1.0\"?>");
@out.WriteLine("<allocations>");
@out.WriteLine("<queue name=\"queueA\">");
@out.WriteLine("<minResources>2048mb,0vcores</minResources>");
@out.WriteLine("</queue>");
@out.WriteLine("<queue name=\"queueB\">");
@out.WriteLine("<minResources>2048mb,0vcores</minResources>");
@out.WriteLine("</queue>");
@out.WriteLine("</allocations>");
@out.Close();
resourceManager = new MockRM(conf);
resourceManager.Start();
scheduler = (FairScheduler)resourceManager.GetResourceScheduler();
// Add one big node (only care about aggregate capacity)
RMNode node1 = MockNodes.NewNodeInfo(1, Resources.CreateResource(4 * 1024, 4), 1,
"127.0.0.1");
NodeAddedSchedulerEvent nodeEvent1 = new NodeAddedSchedulerEvent(node1);
scheduler.Handle(nodeEvent1);
scheduler.Update();
// Queue A wants 3 * 1024. Node update gives this all to A
CreateSchedulingRequest(3 * 1024, "queueA", "user1");
scheduler.Update();
NodeUpdateSchedulerEvent nodeEvent2 = new NodeUpdateSchedulerEvent(node1);
scheduler.Handle(nodeEvent2);
// Queue B arrives and wants 1 * 1024
CreateSchedulingRequest(1 * 1024, "queueB", "user1");
scheduler.Update();
ICollection <FSLeafQueue> queues = scheduler.GetQueueManager().GetLeafQueues();
NUnit.Framework.Assert.AreEqual(3, queues.Count);
// Queue A should be above min share, B below.
FSLeafQueue queueA = scheduler.GetQueueManager().GetLeafQueue("queueA", false);
FSLeafQueue queueB = scheduler.GetQueueManager().GetLeafQueue("queueB", false);
NUnit.Framework.Assert.IsFalse(queueA.IsStarvedForMinShare());
NUnit.Framework.Assert.IsTrue(queueB.IsStarvedForMinShare());
// Node checks in again, should allocate for B
scheduler.Handle(nodeEvent2);
// Now B should have min share ( = demand here)
NUnit.Framework.Assert.IsFalse(queueB.IsStarvedForMinShare());
}
/// <summary>Prints the application attempt report for an application attempt id.</summary>
/// <param name="applicationAttemptId"/>
/// <returns>exitCode</returns>
/// <exception cref="Org.Apache.Hadoop.Yarn.Exceptions.YarnException"/>
/// <exception cref="System.IO.IOException"/>
private int PrintApplicationAttemptReport(string applicationAttemptId)
{
ApplicationAttemptReport appAttemptReport = null;
try
{
appAttemptReport = client.GetApplicationAttemptReport(ConverterUtils.ToApplicationAttemptId
(applicationAttemptId));
}
catch (ApplicationNotFoundException)
{
sysout.WriteLine("Application for AppAttempt with id '" + applicationAttemptId +
"' doesn't exist in RM or Timeline Server.");
return(-1);
}
catch (ApplicationAttemptNotFoundException)
{
sysout.WriteLine("Application Attempt with id '" + applicationAttemptId + "' doesn't exist in RM or Timeline Server."
);
return(-1);
}
// Use PrintWriter.println, which uses correct platform line ending.
ByteArrayOutputStream baos = new ByteArrayOutputStream();
PrintWriter appAttemptReportStr = new PrintWriter(new OutputStreamWriter(baos, Sharpen.Extensions.GetEncoding
("UTF-8")));
if (appAttemptReport != null)
{
appAttemptReportStr.WriteLine("Application Attempt Report : ");
appAttemptReportStr.Write("\tApplicationAttempt-Id : ");
appAttemptReportStr.WriteLine(appAttemptReport.GetApplicationAttemptId());
appAttemptReportStr.Write("\tState : ");
appAttemptReportStr.WriteLine(appAttemptReport.GetYarnApplicationAttemptState());
appAttemptReportStr.Write("\tAMContainer : ");
appAttemptReportStr.WriteLine(appAttemptReport.GetAMContainerId().ToString());
appAttemptReportStr.Write("\tTracking-URL : ");
appAttemptReportStr.WriteLine(appAttemptReport.GetTrackingUrl());
appAttemptReportStr.Write("\tRPC Port : ");
appAttemptReportStr.WriteLine(appAttemptReport.GetRpcPort());
appAttemptReportStr.Write("\tAM Host : ");
appAttemptReportStr.WriteLine(appAttemptReport.GetHost());
appAttemptReportStr.Write("\tDiagnostics : ");
appAttemptReportStr.Write(appAttemptReport.GetDiagnostics());
}
else
{
appAttemptReportStr.Write("Application Attempt with id '" + applicationAttemptId
+ "' doesn't exist in Timeline Server.");
appAttemptReportStr.Close();
sysout.WriteLine(baos.ToString("UTF-8"));
return(-1);
}
appAttemptReportStr.Close();
sysout.WriteLine(baos.ToString("UTF-8"));
return(0);
}
/// <summary>
/// Verify that you can't include periods as the queue name in the allocations
/// file.
/// </summary>
/// <exception cref="System.Exception"/>
public virtual void TestQueueNameContainingPeriods()
{
Configuration conf = new Configuration();
conf.Set(FairSchedulerConfiguration.AllocationFile, AllocFile);
PrintWriter @out = new PrintWriter(new FileWriter(AllocFile));
@out.WriteLine("<?xml version=\"1.0\"?>");
@out.WriteLine("<allocations>");
@out.WriteLine("<queue name=\"parent1.child1\">");
@out.WriteLine("</queue>");
@out.WriteLine("</allocations>");
@out.Close();
AllocationFileLoaderService allocLoader = new AllocationFileLoaderService();
allocLoader.Init(conf);
TestAllocationFileLoaderService.ReloadListener confHolder = new TestAllocationFileLoaderService.ReloadListener
(this);
allocLoader.SetReloadListener(confHolder);
allocLoader.ReloadAllocations();
}
/// <exception cref="System.IO.IOException"/>
private string WriteScriptFile(IDictionary <string, string> launchCtxEnv, params string
[] cmd)
{
FilePath f = FilePath.CreateTempFile("TestDockerContainerExecutor", ".sh");
f.DeleteOnExit();
PrintWriter p = new PrintWriter(new FileOutputStream(f));
foreach (KeyValuePair <string, string> entry in launchCtxEnv)
{
p.WriteLine("export " + entry.Key + "=\"" + entry.Value + "\"");
}
foreach (string part in cmd)
{
p.Write(part.Replace("\\", "\\\\").Replace("'", "\\'"));
p.Write(" ");
}
p.WriteLine();
p.Close();
return(f.GetAbsolutePath());
}
private static void PrintThreadInfo(ThreadInfo ti, PrintWriter @out)
{
// print thread information
PrintThread(ti, @out);
// print stack trace with locks
StackTraceElement[] stacktrace = ti.GetStackTrace();
MonitorInfo[] monitors = ti.GetLockedMonitors();
for (int i = 0; i < stacktrace.Length; i++)
{
StackTraceElement ste = stacktrace[i];
@out.WriteLine(Indent + "at " + ste.ToString());
foreach (MonitorInfo mi in monitors)
{
if (mi.GetLockedStackDepth() == i)
{
@out.WriteLine(Indent + " - locked " + mi);
}
}
}
@out.WriteLine();
}
/// <summary>Lists the Queue Information matching the given queue name</summary>
/// <param name="queueName"/>
/// <exception cref="Org.Apache.Hadoop.Yarn.Exceptions.YarnException"/>
/// <exception cref="System.IO.IOException"/>
private int ListQueue(string queueName)
{
int rc;
PrintWriter writer = new PrintWriter(new OutputStreamWriter(sysout, Sharpen.Extensions.GetEncoding
("UTF-8")));
QueueInfo queueInfo = client.GetQueueInfo(queueName);
if (queueInfo != null)
{
writer.WriteLine("Queue Information : ");
PrintQueueInfo(writer, queueInfo);
rc = 0;
}
else
{
writer.WriteLine("Cannot get queue from RM by queueName = " + queueName + ", please check."
);
rc = -1;
}
writer.Flush();
return(rc);
}
/// <summary>Print the contents to out.</summary>
internal virtual void Dump(PrintWriter @out)
{
lock (this)
{
int size = node2blocks.Values.Count;
@out.WriteLine("Metasave: Blocks " + numBlocks + " waiting deletion from " + size
+ " datanodes.");
if (size == 0)
{
return;
}
foreach (KeyValuePair <DatanodeInfo, LightWeightHashSet <Block> > entry in node2blocks)
{
LightWeightHashSet <Block> blocks = entry.Value;
if (blocks.Count > 0)
{
@out.WriteLine(entry.Key);
@out.WriteLine(blocks);
}
}
}
}
private static void PrintThread(ThreadInfo ti, PrintWriter @out)
{
@out.Write("\"" + ti.GetThreadName() + "\"" + " Id=" + ti.GetThreadId() + " in "
+ ti.GetThreadState());
if (ti.GetLockName() != null)
{
@out.Write(" on lock=" + ti.GetLockName());
}
if (ti.IsSuspended())
{
@out.Write(" (suspended)");
}
if (ti.IsInNative())
{
@out.Write(" (running in native)");
}
@out.WriteLine();
if (ti.GetLockOwnerName() != null)
{
@out.WriteLine(Indent + " owned by " + ti.GetLockOwnerName() + " Id=" + ti.GetLockOwnerId
());
}
}
/// <summary>Writes a chunk of data to a file in pretty printed hexidecimal.</summary>
/// <remarks>Writes a chunk of data to a file in pretty printed hexidecimal.</remarks>
/// <exception cref="System.IO.IOException"></exception>
public static void ToHexFile(string fileName, ByteBuffer buffer, int offset, int
size)
{
PrintWriter writer = new PrintWriter(new FileWriter(fileName));
try
{
writer.WriteLine(ToHexString(buffer, offset, size));
}
finally
{
writer.Close();
}
}
/// <summary>
/// Creates a new file in the specified directory, with the specified name and
/// the specified file contents.
/// </summary>
/// <remarks>
/// Creates a new file in the specified directory, with the specified name and
/// the specified file contents. This method will add a newline terminator to
/// the end of the contents string in the destination file.
/// </remarks>
/// <param name="directory">File non-null destination directory.</param>
/// <param name="name">String non-null file name.</param>
/// <param name="contents">String non-null file contents.</param>
/// <exception cref="System.IO.IOException">if an I/O error occurs.</exception>
private FilePath CreateFile(FilePath directory, string name, string contents)
{
FilePath newFile = new FilePath(directory, name);
PrintWriter pw = new PrintWriter(newFile);
try
{
pw.WriteLine(contents);
}
finally
{
pw.Close();
}
return(newFile);
}
/// <exception cref="Javax.Servlet.ServletException"/>
/// <exception cref="System.IO.IOException"/>
protected override void DoGet(HttpServletRequest req, HttpServletResponse resp)
{
UserGroupInformation ugi;
ServletContext context = GetServletContext();
Configuration conf = NameNodeHttpServer.GetConfFromContext(context);
try
{
ugi = GetUGI(req, conf);
}
catch (IOException ioe)
{
Log.Info("Request for token received with no authentication from " + req.GetRemoteAddr
(), ioe);
resp.SendError(HttpServletResponse.ScForbidden, "Unable to identify or authenticate user"
);
return;
}
NameNode nn = NameNodeHttpServer.GetNameNodeFromContext(context);
string tokenString = req.GetParameter(Token);
if (tokenString == null)
{
resp.SendError(HttpServletResponse.ScMultipleChoices, "Token to renew not specified"
);
}
Org.Apache.Hadoop.Security.Token.Token <DelegationTokenIdentifier> token = new Org.Apache.Hadoop.Security.Token.Token
<DelegationTokenIdentifier>();
token.DecodeFromUrlString(tokenString);
try
{
long result = ugi.DoAs(new _PrivilegedExceptionAction_73(nn, token));
PrintWriter os = new PrintWriter(new OutputStreamWriter(resp.GetOutputStream(), Charsets
.Utf8));
os.WriteLine(result);
os.Close();
}
catch (Exception e)
{
// transfer exception over the http
string exceptionClass = e.GetType().FullName;
string exceptionMsg = e.GetLocalizedMessage();
string strException = exceptionClass + ";" + exceptionMsg;
Log.Info("Exception while renewing token. Re-throwing. s=" + strException, e);
resp.SendError(HttpServletResponse.ScInternalServerError, strException);
}
}
public virtual void TestInstances()
{
Injector injector = WebAppTests.CreateMockInjector(this);
HttpServletRequest req = injector.GetInstance <HttpServletRequest>();
HttpServletResponse res = injector.GetInstance <HttpServletResponse>();
string val = req.GetParameter("foo");
PrintWriter @out = res.GetWriter();
@out.WriteLine("Hello world!");
LogInstances(req, res, @out);
NUnit.Framework.Assert.AreSame(req, injector.GetInstance <HttpServletRequest>());
NUnit.Framework.Assert.AreSame(res, injector.GetInstance <HttpServletResponse>());
NUnit.Framework.Assert.AreSame(this, injector.GetInstance <TestWebAppTests>());
Org.Mockito.Mockito.Verify(req).GetParameter("foo");
Org.Mockito.Mockito.Verify(res).GetWriter();
Org.Mockito.Mockito.Verify(@out).WriteLine("Hello world!");
}
/// <summary>Lists the nodes matching the given node states</summary>
/// <param name="nodeStates"/>
/// <exception cref="Org.Apache.Hadoop.Yarn.Exceptions.YarnException"/>
/// <exception cref="System.IO.IOException"/>
private void ListClusterNodes(ICollection <NodeState> nodeStates)
{
PrintWriter writer = new PrintWriter(new OutputStreamWriter(sysout, Sharpen.Extensions.GetEncoding
("UTF-8")));
IList <NodeReport> nodesReport = client.GetNodeReports(Sharpen.Collections.ToArray
(nodeStates, new NodeState[0]));
writer.WriteLine("Total Nodes:" + nodesReport.Count);
writer.Printf(NodesPattern, "Node-Id", "Node-State", "Node-Http-Address", "Number-of-Running-Containers"
);
foreach (NodeReport nodeReport in nodesReport)
{
writer.Printf(NodesPattern, nodeReport.GetNodeId(), nodeReport.GetNodeState(), nodeReport
.GetHttpAddress(), nodeReport.GetNumContainers());
}
writer.Flush();
}
