public virtual void TestCreateDirectories()
{
conf.Set(CommonConfigurationKeys.FsPermissionsUmaskKey, "077");
string dirA = new FilePath(testDir, "dirA").GetPath();
string dirB = new FilePath(dirA, "dirB").GetPath();
string dirC = new FilePath(testDir, "dirC").GetPath();
Path pathC = new Path(dirC);
FsPermission permDirC = new FsPermission((short)0x1c8);
localFs.Mkdir(pathC, null, true);
localFs.SetPermission(pathC, permDirC);
string[] dirs = new string[] { dirA, dirB, dirC };
DirectoryCollection dc = new DirectoryCollection(dirs, conf.GetFloat(YarnConfiguration
.NmMaxPerDiskUtilizationPercentage, YarnConfiguration.DefaultNmMaxPerDiskUtilizationPercentage
));
FsPermission defaultPerm = FsPermission.GetDefault().ApplyUMask(new FsPermission(
(short)FsPermission.DefaultUmask));
bool createResult = dc.CreateNonExistentDirs(localFs, defaultPerm);
NUnit.Framework.Assert.IsTrue(createResult);
FileStatus status = localFs.GetFileStatus(new Path(dirA));
NUnit.Framework.Assert.AreEqual("local dir parent not created with proper permissions"
, defaultPerm, status.GetPermission());
status = localFs.GetFileStatus(new Path(dirB));
NUnit.Framework.Assert.AreEqual("local dir not created with proper permissions",
defaultPerm, status.GetPermission());
status = localFs.GetFileStatus(pathC);
NUnit.Framework.Assert.AreEqual("existing local directory permissions modified",
permDirC, status.GetPermission());
}
/// <summary>Method which initializes the timertask and its interval time.</summary>
/// <exception cref="System.Exception"/>
protected override void ServiceInit(Configuration config)
{
// Clone the configuration as we may do modifications to dirs-list
Configuration conf = new Configuration(config);
diskHealthCheckInterval = conf.GetLong(YarnConfiguration.NmDiskHealthCheckIntervalMs
, YarnConfiguration.DefaultNmDiskHealthCheckIntervalMs);
monitoringTimerTask = new LocalDirsHandlerService.MonitoringTimerTask(this, conf);
isDiskHealthCheckerEnabled = conf.GetBoolean(YarnConfiguration.NmDiskHealthCheckEnable
, true);
minNeededHealthyDisksFactor = conf.GetFloat(YarnConfiguration.NmMinHealthyDisksFraction
, YarnConfiguration.DefaultNmMinHealthyDisksFraction);
lastDisksCheckTime = Runtime.CurrentTimeMillis();
base.ServiceInit(conf);
FileContext localFs;
try
{
localFs = FileContext.GetLocalFSFileContext(config);
}
catch (IOException e)
{
throw new YarnRuntimeException("Unable to get the local filesystem", e);
}
FsPermission perm = new FsPermission((short)0x1ed);
bool createSucceeded = localDirs.CreateNonExistentDirs(localFs, perm);
createSucceeded &= logDirs.CreateNonExistentDirs(localFs, perm);
if (!createSucceeded)
{
UpdateDirsAfterTest();
}
// Check the disk health immediately to weed out bad directories
// before other init code attempts to use them.
CheckDirs();
}