org.apache.ambari.server.checks

Class KerberosAdminPersistedCredentialCheck

java.lang.Object

org.apache.ambari.server.checks.ClusterCheck

org.apache.ambari.server.checks.KerberosAdminPersistedCredentialCheck

All Implemented Interfaces:

org.apache.ambari.spi.upgrade.UpgradeCheck

public class KerberosAdminPersistedCredentialCheck
extends ClusterCheck

The KerberosAdminPersistedCredentialCheck class is used to check that the Kerberos administrator credentials are stored in the persisted credential store when Kerberos is enabled.

This is needed so that if Kerberos principals and/or keytab files need to be created during a stack upgrade, the KDC administrator credentials are guaranteed to be available. If the temporary store is used, the credential may have expired before needed.

Field Summary

Fields

Modifier and Type	Field and Description
static String	KEY_CREDENTIAL_NOT_STORED
static String	KEY_PERSISTED_STORE_NOT_CONFIGURED

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

clustersProvider

Constructor Summary

Constructors

Constructor and Description
KerberosAdminPersistedCredentialCheck() Constructor.

Method Summary

Modifier and Type	Method and Description
Set<String>	getApplicableServices() Gets the set of services that this check is associated with.
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, 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_PERSISTED_STORE_NOT_CONFIGURED

public static final String KEY_PERSISTED_STORE_NOT_CONFIGURED

See Also:

Constant Field Values

KEY_CREDENTIAL_NOT_STORED

public static final String KEY_CREDENTIAL_NOT_STORED

See Also:

Constant Field Values

Constructor Detail

KerberosAdminPersistedCredentialCheck

@Inject
public KerberosAdminPersistedCredentialCheck()

Constructor.

Method Detail

getApplicableServices

public Set<String> getApplicableServices()

Gets the set of services that this check is associated with. If the check is not associated with a particular service, then this should be an empty set.

Specified by:

getApplicableServices in interface org.apache.ambari.spi.upgrade.UpgradeCheck

Overrides:

getApplicableServices in class ClusterCheck

Returns:

a set of services which will determine whether this check is applicable.

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