public virtual void TestTryFailoverToSafeMode()
{
conf.Set(DFSConfigKeys.DfsHaFenceMethodsKey, TestDFSHAAdmin.GetFencerTrueCommand(
));
tool.SetConf(conf);
NameNodeAdapter.EnterSafeMode(cluster.GetNameNode(0), false);
NUnit.Framework.Assert.AreEqual(-1, RunTool("-failover", "nn2", "nn1"));
NUnit.Framework.Assert.IsTrue("Bad output: " + errOutput, errOutput.Contains("is not ready to become active: "
+ "The NameNode is in safemode"));
}
public _DFSHAAdmin_118(TestDFSHAAdmin _enclosing)
{
this._enclosing = _enclosing;
}
public virtual void TestFencer()
{
// Test failover with no fencer
NUnit.Framework.Assert.AreEqual(-1, RunTool("-failover", "nn1", "nn2"));
// Set up fencer to write info about the fencing target into a
// tmp file, so we can verify that the args were substituted right
FilePath tmpFile = FilePath.CreateTempFile("testFencer", ".txt");
tmpFile.DeleteOnExit();
if (Shell.Windows)
{
conf.Set(DFSConfigKeys.DfsHaFenceMethodsKey, "shell(echo %target_nameserviceid%.%target_namenodeid% "
+ "%target_port% %dfs_ha_namenode_id% > " + tmpFile.GetAbsolutePath() + ")");
}
else
{
conf.Set(DFSConfigKeys.DfsHaFenceMethodsKey, "shell(echo -n $target_nameserviceid.$target_namenodeid "
+ "$target_port $dfs_ha_namenode_id > " + tmpFile.GetAbsolutePath() + ")");
}
// Test failover with fencer
tool.SetConf(conf);
NUnit.Framework.Assert.AreEqual(0, RunTool("-transitionToActive", "nn1"));
NUnit.Framework.Assert.AreEqual(0, RunTool("-failover", "nn1", "nn2"));
// Test failover with fencer and nameservice
NUnit.Framework.Assert.AreEqual(0, RunTool("-ns", "minidfs-ns", "-failover", "nn2"
, "nn1"));
// Fencer has not run yet, since none of the above required fencing
NUnit.Framework.Assert.AreEqual(string.Empty, Files.ToString(tmpFile, Charsets.Utf8
));
// Test failover with fencer and forcefence option
NUnit.Framework.Assert.AreEqual(0, RunTool("-failover", "nn1", "nn2", "--forcefence"
));
// The fence script should run with the configuration from the target
// node, rather than the configuration from the fencing node. Strip
// out any trailing spaces and CR/LFs which may be present on Windows.
string fenceCommandOutput = Files.ToString(tmpFile, Charsets.Utf8).ReplaceAll(" *[\r\n]+"
, string.Empty);
NUnit.Framework.Assert.AreEqual("minidfs-ns.nn1 " + nn1Port + " nn1", fenceCommandOutput
);
tmpFile.Delete();
// Test failover with forceactive option
NUnit.Framework.Assert.AreEqual(0, RunTool("-failover", "nn2", "nn1", "--forceactive"
));
// Fencing should not occur, since it was graceful
NUnit.Framework.Assert.IsFalse(tmpFile.Exists());
// Test failover with not fencer and forcefence option
conf.Unset(DFSConfigKeys.DfsHaFenceMethodsKey);
tool.SetConf(conf);
NUnit.Framework.Assert.AreEqual(-1, RunTool("-failover", "nn1", "nn2", "--forcefence"
));
NUnit.Framework.Assert.IsFalse(tmpFile.Exists());
// Test failover with bad fencer and forcefence option
conf.Set(DFSConfigKeys.DfsHaFenceMethodsKey, "foobar!");
tool.SetConf(conf);
NUnit.Framework.Assert.AreEqual(-1, RunTool("-failover", "nn1", "nn2", "--forcefence"
));
NUnit.Framework.Assert.IsFalse(tmpFile.Exists());
// Test failover with force fence listed before the other arguments
conf.Set(DFSConfigKeys.DfsHaFenceMethodsKey, TestDFSHAAdmin.GetFencerTrueCommand(
));
tool.SetConf(conf);
NUnit.Framework.Assert.AreEqual(0, RunTool("-failover", "--forcefence", "nn1", "nn2"
));
}
