org.apache.ambari.server.topology.validators

Class RequiredConfigPropertiesValidator

java.lang.Object

org.apache.ambari.server.topology.validators.RequiredConfigPropertiesValidator

All Implemented Interfaces:

TopologyValidator

public class RequiredConfigPropertiesValidator
extends Object
implements TopologyValidator

Validates the configuration by checking the existence of required properties for the services listed in the blueprint. Required properties are specified in the stack and are tied to config types and services. The validator ignores password properties that should never be specified in the artifacts (blueprint / cluster creation template)

Constructor Summary

Constructors

Constructor and Description
RequiredConfigPropertiesValidator()

Method Summary

Modifier and Type	Method and Description
void	validate(ClusterTopology topology) Validates the configuration coming from the blueprint and cluster creation template and ensures that all the required properties are provided.

Methods inherited from class java.lang.Object

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

Constructor Detail

RequiredConfigPropertiesValidator

public RequiredConfigPropertiesValidator()

Method Detail

validate

public void validate(ClusterTopology topology)
              throws InvalidTopologyException

Validates the configuration coming from the blueprint and cluster creation template and ensures that all the required properties are provided. It's expected, that a in hostrgroup containing components for a given service all required configuration for the given service is available.

Specified by:

validate in interface TopologyValidator

Parameters:

topology - the topology instance holding the configuration for cluster provisioning

Throws:

InvalidTopologyException - when there are missing configuration types or properties related to services in the blueprint