/// <summary>
/// List children of a directory and retrieve their
/// <see cref="Org.Apache.Hadoop.Registry.Client.Types.RegistryPathStatus"/>
/// values.
/// <p>
/// This is not an atomic operation; A child may be deleted
/// during the iteration through the child entries. If this happens,
/// the <code>PathNotFoundException</code> is caught and that child
/// entry ommitted.
/// </summary>
/// <param name="path">path</param>
/// <returns>
/// a possibly empty map of child entries listed by
/// their short name.
/// </returns>
/// <exception cref="Org.Apache.Hadoop.FS.PathNotFoundException">path is not in the registry.
/// </exception>
/// <exception cref="Org.Apache.Hadoop.Registry.Client.Exceptions.InvalidPathnameException
/// ">the path is invalid.</exception>
/// <exception cref="System.IO.IOException">Any other IO Exception</exception>
public static IDictionary <string, RegistryPathStatus> StatChildren(RegistryOperations
registryOperations, string path)
{
IList <string> childNames = registryOperations.List(path);
IDictionary <string, RegistryPathStatus> results = new Dictionary <string, RegistryPathStatus
>();
foreach (string childName in childNames)
{
string child = RegistryPathUtils.Join(path, childName);
try
{
RegistryPathStatus stat = registryOperations.Stat(child);
results[childName] = stat;
}
catch (PathNotFoundException pnfe)
{
if (Log.IsDebugEnabled())
{
Log.Debug("stat failed on {}: moved? {}", child, pnfe, pnfe);
}
}
}
// and continue
return(results);
}
public virtual void TestDigestAccess()
{
RMRegistryOperationsService registryAdmin = StartRMRegistryOperations();
string id = "username";
string pass = "******";
registryAdmin.AddWriteAccessor(id, pass);
IList <ACL> clientAcls = registryAdmin.GetClientAcls();
Log.Info("Client ACLS=\n{}", RegistrySecurity.AclsToString(clientAcls));
string @base = "/digested";
registryAdmin.Mknode(@base, false);
IList <ACL> baseACLs = registryAdmin.ZkGetACLS(@base);
string aclset = RegistrySecurity.AclsToString(baseACLs);
Log.Info("Base ACLs=\n{}", aclset);
ACL found = null;
foreach (ACL acl in baseACLs)
{
if (ZookeeperConfigOptions.SchemeDigest.Equals(acl.GetId().GetScheme()))
{
found = acl;
break;
}
}
NUnit.Framework.Assert.IsNotNull("Did not find digest entry in ACLs " + aclset, found
);
zkClientConf.Set(KeyRegistryUserAccounts, "sasl:[email protected], sasl:other"
);
RegistryOperations operations = RegistryOperationsFactory.CreateAuthenticatedInstance
(zkClientConf, id, pass);
AddToTeardown(operations);
operations.Start();
RegistryOperationsClient operationsClient = (RegistryOperationsClient)operations;
IList <ACL> digestClientACLs = operationsClient.GetClientAcls();
Log.Info("digest client ACLs=\n{}", RegistrySecurity.AclsToString(digestClientACLs
));
operations.Stat(@base);
operations.Mknode(@base + "/subdir", false);
ZKPathDumper pathDumper = registryAdmin.DumpPath(true);
Log.Info(pathDumper.ToString());
}
/// <summary>Assert a path exists</summary>
/// <param name="path">path in the registry</param>
/// <exception cref="System.IO.IOException"/>
public virtual void AssertPathExists(string path)
{
operations.Stat(path);
}