org.apache.ambari.server.checks

Class HostsHeartbeatCheck

java.lang.Object

org.apache.ambari.server.checks.ClusterCheck

org.apache.ambari.server.checks.HostsHeartbeatCheck

All Implemented Interfaces:

org.apache.ambari.spi.upgrade.UpgradeCheck

public class HostsHeartbeatCheck
extends ClusterCheck

Checks that all hosts are heartbeating with the Ambari Server. If there is a host which is not heartbeating, then it must be in maintenance mode to prevent a failure of this check.

This check will return UpgradeCheckStatus.FAIL if there are hosts not heartbeating and not in maintenance mode.

See Also:

HostMaintenanceModeCheck

Field Summary

Fields inherited from class org.apache.ambari.server.checks.ClusterCheck

clustersProvider

Constructor Summary

Constructors

Constructor and Description
HostsHeartbeatCheck() Constructor.

Method Summary

Modifier and Type	Method and Description
org.apache.ambari.spi.upgrade.UpgradeCheckResult	perform(org.apache.ambari.spi.upgrade.UpgradeCheckRequest request)

Methods inherited from class org.apache.ambari.server.checks.ClusterCheck

formatEntityList, getApplicableServices, getCheckDescription, getDescription, getFailReason, getFailReason, getProperty, getQualifications

Methods inherited from class java.lang.Object

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

Constructor Detail

HostsHeartbeatCheck

public HostsHeartbeatCheck()

Constructor.

Method Detail

perform

public org.apache.ambari.spi.upgrade.UpgradeCheckResult perform(org.apache.ambari.spi.upgrade.UpgradeCheckRequest request)
                                                         throws org.apache.ambari.server.AmbariException

Throws:

org.apache.ambari.server.AmbariException