alluxio.checker

Class CheckerUtils

java.lang.Object

alluxio.checker.CheckerUtils

public final class CheckerUtils
extends java.lang.Object

Class for common methods used by integration checkers.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	CheckerUtils.Status The performIntegrationChecks results.

Method Summary

Modifier and Type	Method and Description
static java.lang.String	getLocalAddress()
static java.io.PrintWriter	initReportFile()
static CheckerUtils.Status	performIntegrationChecks()
static CheckerUtils.Status	printNodesResults(java.util.Map<CheckerUtils.Status,java.util.List<java.lang.String>> map, java.io.PrintWriter reportWriter) Collects and saves the Status of checked nodes.
static boolean	supportAlluxioHA(java.io.PrintWriter reportWriter, AlluxioConfiguration alluxioConf) Checks if the Zookeeper address has been set when running the Alluxio HA mode.

Methods inherited from class java.lang.Object

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

Method Detail

initReportFile

public static java.io.PrintWriter initReportFile()
                                          throws java.lang.Exception

Returns:

the report file to save user-facing messages

Throws:

java.lang.Exception

performIntegrationChecks

public static CheckerUtils.Status performIntegrationChecks()

Returns:

if the current node can recognize Alluxio classes and filesystem

supportAlluxioHA

public static boolean supportAlluxioHA(java.io.PrintWriter reportWriter,
                                       AlluxioConfiguration alluxioConf)

Checks if the Zookeeper address has been set when running the Alluxio HA mode.

Parameters:

reportWriter - save user-facing messages to a generated file

alluxioConf - Alluxio configuration

Returns:

true if Alluxio HA mode is supported, false otherwise

getLocalAddress

public static java.lang.String getLocalAddress()

Returns:

the current node IP address

printNodesResults

public static CheckerUtils.Status printNodesResults(java.util.Map<CheckerUtils.Status,java.util.List<java.lang.String>> map,
                                                    java.io.PrintWriter reportWriter)

Collects and saves the Status of checked nodes.

Parameters:

map - the transformed integration checker results

reportWriter - save the result to corresponding checker report

Returns:

the result information of the checked nodes