org.apache.ambari.server.checks

Class HostMaintenanceModeCheck

java.lang.Object

org.apache.ambari.server.checks.ClusterCheck

org.apache.ambari.server.checks.HostMaintenanceModeCheck

All Implemented Interfaces:

org.apache.ambari.spi.upgrade.UpgradeCheck

public class HostMaintenanceModeCheck
extends ClusterCheck

The HostMaintenanceModeCheck is used to provide a warning if any hosts are in maintenance mode. Hosts in MM will be exluded from the upgrade.

This check will return UpgradeCheckStatus.WARNING for any hosts in maintenance mode.

See Also:

HostsHeartbeatCheck

Field Summary

Fields

Modifier and Type	Field and Description
static String	KEY_CANNOT_START_HOST_ORDERED

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

clustersProvider

Constructor Summary

Constructors

Constructor and Description
HostMaintenanceModeCheck() 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

Field Detail

KEY_CANNOT_START_HOST_ORDERED

public static final String KEY_CANNOT_START_HOST_ORDERED

See Also:

Constant Field Values

Constructor Detail

HostMaintenanceModeCheck

public HostMaintenanceModeCheck()

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