public virtual void TestWrappedFailoverProxyProvider()
{
// setup the config with the dummy provider class
Configuration config = new HdfsConfiguration(conf);
string logicalName = HATestUtil.GetLogicalHostname(cluster);
HATestUtil.SetFailoverConfigurations(cluster, config, logicalName);
config.Set(DFSConfigKeys.DfsClientFailoverProxyProviderKeyPrefix + "." + logicalName
, typeof(TestDFSClientFailover.DummyLegacyFailoverProxyProvider).FullName);
Path p = new Path("hdfs://" + logicalName + "/");
// not to use IP address for token service
SecurityUtil.SetTokenServiceUseIp(false);
// Logical URI should be used.
NUnit.Framework.Assert.IsTrue("Legacy proxy providers should use logical URI.", HAUtil
.UseLogicalUri(config, p.ToUri()));
}
public virtual void TestLogicalUriShouldNotHavePorts()
{
Configuration config = new HdfsConfiguration(conf);
string logicalName = HATestUtil.GetLogicalHostname(cluster);
HATestUtil.SetFailoverConfigurations(cluster, config, logicalName);
Path p = new Path("hdfs://" + logicalName + ":12345/");
try
{
p.GetFileSystem(config).Exists(p);
NUnit.Framework.Assert.Fail("Did not fail with fake FS");
}
catch (IOException ioe)
{
GenericTestUtils.AssertExceptionContains("does not use port information", ioe);
}
}
public virtual void TestDfsClientFailover()
{
FileSystem fs = HATestUtil.ConfigureFailoverFs(cluster, conf);
DFSTestUtil.CreateFile(fs, TestFile, FileLengthToVerify, (short)1, 1L);
NUnit.Framework.Assert.AreEqual(fs.GetFileStatus(TestFile).GetLen(), FileLengthToVerify
);
cluster.ShutdownNameNode(0);
cluster.TransitionToActive(1);
NUnit.Framework.Assert.AreEqual(fs.GetFileStatus(TestFile).GetLen(), FileLengthToVerify
);
// Check that it functions even if the URL becomes canonicalized
// to include a port number.
Path withPort = new Path("hdfs://" + HATestUtil.GetLogicalHostname(cluster) + ":"
+ NameNode.DefaultPort + "/" + TestFile.ToUri().GetPath());
FileSystem fs2 = withPort.GetFileSystem(fs.GetConf());
NUnit.Framework.Assert.IsTrue(fs2.Exists(withPort));
fs.Close();
}