org.apache.oozie.action.hadoop

Class CredentialsProviderFactory

java.lang.Object

org.apache.oozie.action.hadoop.CredentialsProviderFactory

public class CredentialsProviderFactory
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
static String	CRED_KEY
static String	HDFS
static String	JHS
static String	YARN

Method Summary

Modifier and Type	Method and Description
CredentialsProvider	createCredentialsProvider(String type) Create Credential object
static void	ensureKerberosLogin() Relogs into Kerberos using the Keytab for the Oozie server user.
static CredentialsProviderFactory	getInstance()
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

HDFS

public static final String HDFS

See Also:

Constant Field Values

YARN

public static final String YARN

See Also:

Constant Field Values

JHS

public static final String JHS

See Also:

Constant Field Values

Method Detail

getInstance

public static CredentialsProviderFactory getInstance()
                                              throws Exception

Throws:

Exception

createCredentialsProvider

public CredentialsProvider createCredentialsProvider(String type)
                                              throws Exception

Create Credential object

Parameters:

type -

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 CredentialsProvider 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