org.apache.oozie.action.hadoop

Class CredentialsProvider

java.lang.Object

org.apache.oozie.action.hadoop.CredentialsProvider

public class CredentialsProvider
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
static String	CRED_KEY

Constructor Summary

Constructors

Constructor and Description
CredentialsProvider(String type)

Method Summary

Methods

Modifier and Type	Method and Description
Credentials	createCredentialObject() Create Credential object
static void	ensureKerberosLogin() Relogs into Kerberos using the Keytab for the Oozie server user.
String	Trim(String str) To trim string

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

CRED_KEY

public static final String CRED_KEY

See Also:

Constant Field Values

Constructor Detail

CredentialsProvider

public CredentialsProvider(String type)

Method Detail

createCredentialObject

public Credentials createCredentialObject()
                                   throws Exception

Create Credential object

Returns:

Credential object

Throws:

Exception

ensureKerberosLogin

public static void ensureKerberosLogin()
                                throws IOException

Relogs into Kerberos using the Keytab for the Oozie server user. This should be called before attempting to get delegation tokens via Credentials implementations to ensure that the Kerberos credentials are current and won't expire too soon.

Throws:

IOException

Trim

public String Trim(String str)

To trim string

Parameters:

str -

Returns:

trim string