alluxio.util

Class EnvironmentUtils

java.lang.Object

alluxio.util.EnvironmentUtils

@ThreadSafe
public final class EnvironmentUtils
extends Object

Utilities to detect environment Alluxio is running in.

Method Summary

Modifier and Type	Method and Description
static String	getEC2ProductCode() Gets the EC2 product code if any.
static boolean	isCFT(String userData) Checks whether the given user data belongs to an instance launched through CFT.
static boolean	isDocker() Utility to detect the docker deployment environment.
static boolean	isEC2() Utility to detect the EC2 deployment environment.
static boolean	isEMR(String userData) Checks whether the given user data belongs to an instance launched through EMR.
static boolean	isGoogleComputeEngine() Utility to detect the Google compute engine deployment environment.
static boolean	isKubernetes() Utility to detect the k8s deployment environment.

Methods inherited from class java.lang.Object

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

Method Detail

isDocker

public static boolean isDocker()

Utility to detect the docker deployment environment.

Returns:

true, if running on docker

isKubernetes

public static boolean isKubernetes()

Utility to detect the k8s deployment environment.

Returns:

true, if running on k8s

isEC2

public static boolean isEC2()

Utility to detect the EC2 deployment environment.

Returns:

true, if running on EC2

isGoogleComputeEngine

public static boolean isGoogleComputeEngine()

Utility to detect the Google compute engine deployment environment.

Returns:

true, if running on gce

getEC2ProductCode

public static String getEC2ProductCode()

Gets the EC2 product code if any.

Returns:

the first product code if any, an empty string otherwise

isCFT

public static boolean isCFT(String userData)

Checks whether the given user data belongs to an instance launched through CFT.

Parameters:

userData - the ec2 instance user data

Returns:

true if this instance is launched from CFT, false otherwise

isEMR

public static boolean isEMR(String userData)

Checks whether the given user data belongs to an instance launched through EMR.

Parameters:

userData - the ec2 instance user data

Returns:

true if this instance is launched from EMR, false otherwise