org.apache.ambari.server.credentialapi

Class CredentialUtil

java.lang.Object

org.apache.hadoop.conf.Configured

org.apache.ambari.server.credentialapi.CredentialUtil

All Implemented Interfaces:

org.apache.hadoop.conf.Configurable, org.apache.hadoop.util.Tool

public class CredentialUtil
extends org.apache.hadoop.conf.Configured
implements org.apache.hadoop.util.Tool

Command line utility that wraps over CredentialShell. Extends the create command to overwrite a credential if it exists. Also provides the ability to get the decrypted password. The CLI structure and code is the same as CredentialShell.

Field Summary

Fields

Modifier and Type	Field and Description
static String	jceksPrefix JCEKS provider prefix.
static String	localJceksPrefix Local JCEKS provider prefix.
protected org.apache.hadoop.security.alias.CredentialProvider	provider Provider specified using the -provider option

Constructor Summary

Constructors

Constructor and Description
CredentialUtil()

Method Summary

Modifier and Type	Method and Description
protected String	getUsagePrefix() Overridden by the command line driver to provide name of the tool.
static void	main(String[] args) Main program.
protected void	printUsage() Prints a command specific usage or overall tool usage.
int	run(String[] args) Called by ToolRunner.run().

Methods inherited from class org.apache.hadoop.conf.Configured

getConf, setConf

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.hadoop.conf.Configurable

getConf, setConf

Field Detail

jceksPrefix

public static final String jceksPrefix

JCEKS provider prefix.

See Also:

Constant Field Values

localJceksPrefix

public static final String localJceksPrefix

Local JCEKS provider prefix.

See Also:

Constant Field Values

provider

protected org.apache.hadoop.security.alias.CredentialProvider provider

Provider specified using the -provider option

Constructor Detail

CredentialUtil

public CredentialUtil()

Method Detail

main

public static void main(String[] args)
                 throws Exception

Main program.

Parameters:

args - Command line arguments

Throws:

Exception

run

public int run(String[] args)
        throws Exception

Called by ToolRunner.run(). This is the entry point to the tool. Parses the command line arguments and executes the appropriate command.

Specified by:

run in interface org.apache.hadoop.util.Tool

Parameters:

args - - Arguments supplied by the user.

Returns:

- 0 if successful. 1 in case of a failure.

Throws:

Exception - - If something goes wrong during command execution.

printUsage

protected void printUsage()

Prints a command specific usage or overall tool usage.

getUsagePrefix

protected String getUsagePrefix()

Overridden by the command line driver to provide name of the tool.

Returns:

- CLI specific information, like tool name, year, copyright, etc.