| package org.apache.ambari.server.controller.internal; |
| |
| import com.google.inject.assistedinject.Assisted; |
| import org.apache.ambari.server.controller.AmbariManagementController; |
| import org.apache.ambari.server.controller.spi.NoSuchParentResourceException; |
| import org.apache.ambari.server.controller.spi.NoSuchResourceException; |
| import org.apache.ambari.server.controller.spi.Predicate; |
| import org.apache.ambari.server.controller.spi.Request; |
| import org.apache.ambari.server.controller.spi.RequestStatus; |
| import org.apache.ambari.server.controller.spi.Resource; |
| import org.apache.ambari.server.controller.spi.ResourceAlreadyExistsException; |
| import org.apache.ambari.server.controller.spi.SystemException; |
| import org.apache.ambari.server.controller.spi.UnsupportedPropertyException; |
| import org.apache.ambari.server.controller.utilities.PropertyHelper; |
| import org.apache.ambari.server.orm.dao.KerberosDescriptorDAO; |
| import org.apache.ambari.server.orm.entities.KerberosDescriptorEntity; |
| import org.apache.ambari.server.topology.KerberosDescriptor; |
| import org.apache.ambari.server.topology.KerberosDescriptorFactory; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import javax.inject.Inject; |
| import java.util.Collections; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Set; |
| |
| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * <p/> |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * <p/> |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| public class KerberosDescriptorResourceProvider extends AbstractControllerResourceProvider { |
| |
| private static final Logger LOGGER = LoggerFactory.getLogger(KerberosDescriptorResourceProvider.class); |
| |
| private static final String KERBEROS_DESCRIPTOR_NAME_PROPERTY_ID = |
| PropertyHelper.getPropertyId("KerberosDescriptors", "kerberos_descriptor_name"); |
| |
| private static final String KERBEROS_DESCRIPTOR_TEXT_PROPERTY_ID = |
| PropertyHelper.getPropertyId("KerberosDescriptors", "kerberos_descriptor_text"); |
| |
| private KerberosDescriptorDAO kerberosDescriptorDAO; |
| |
| private KerberosDescriptorFactory kerberosDescriptorFactory; |
| |
| // keep constructors hidden |
| @Inject |
| KerberosDescriptorResourceProvider(KerberosDescriptorDAO kerberosDescriptorDAO, |
| KerberosDescriptorFactory kerberosDescriptorFactory, |
| @Assisted Set<String> propertyIds, |
| @Assisted Map<Resource.Type, String> keyPropertyIds, |
| @Assisted AmbariManagementController managementController) { |
| super(propertyIds, keyPropertyIds, managementController); |
| this.kerberosDescriptorDAO = kerberosDescriptorDAO; |
| this.kerberosDescriptorFactory = kerberosDescriptorFactory; |
| } |
| |
| @Override |
| public Set<String> checkPropertyIds(Set<String> propertyIds) { |
| LOGGER.debug("Skipping property id validation for kerberos descriptor resources"); |
| return Collections.emptySet(); |
| } |
| |
| @Override |
| public RequestStatus createResources(Request request) throws SystemException, UnsupportedPropertyException, |
| ResourceAlreadyExistsException, NoSuchParentResourceException { |
| |
| String name = getNameFromRequest(request); |
| String descriptor = getRawKerberosDescriptorFromRequest(request); |
| |
| KerberosDescriptor kerberosDescriptor = kerberosDescriptorFactory.createKerberosDescriptor(name, descriptor); |
| kerberosDescriptorDAO.create(kerberosDescriptor.toEntity()); |
| |
| return getRequestStatus(null); |
| } |
| |
| |
| @Override |
| public Set<Resource> getResources(Request request, Predicate predicate) throws SystemException, |
| UnsupportedPropertyException, NoSuchResourceException, NoSuchParentResourceException { |
| |
| List<KerberosDescriptorEntity> results = null; |
| boolean applyPredicate = false; |
| |
| if (predicate != null) { |
| Set<Map<String, Object>> requestProps = getPropertyMaps(predicate); |
| if (requestProps.size() == 1) { |
| String name = (String) requestProps.iterator().next().get( |
| KERBEROS_DESCRIPTOR_NAME_PROPERTY_ID); |
| |
| if (name != null) { |
| KerberosDescriptorEntity entity = kerberosDescriptorDAO.findByName(name); |
| results = entity == null ? Collections.<KerberosDescriptorEntity>emptyList() : |
| Collections.singletonList(entity); |
| } |
| } |
| } |
| |
| if (results == null) { |
| applyPredicate = true; |
| results = kerberosDescriptorDAO.findAll(); |
| } |
| |
| Set<Resource> resources = new HashSet<Resource>(); |
| Set<String> requestPropertyIds = getRequestPropertyIds(request, predicate); |
| for (KerberosDescriptorEntity entity : results) { |
| Resource resource = new ResourceImpl(Resource.Type.KerberosDescriptor); |
| toResource(resource, entity, requestPropertyIds); |
| |
| if (predicate == null || !applyPredicate || predicate.evaluate(resource)) { |
| resources.add(resource); |
| } |
| } |
| |
| if (predicate != null && resources.isEmpty()) { |
| throw new NoSuchResourceException( |
| "The requested resource doesn't exist: Kerberos Descriptor not found, " + predicate); |
| } |
| |
| return resources; |
| } |
| |
| private void toResource(Resource resource, KerberosDescriptorEntity entity, Set<String> requestPropertyIds) { |
| setResourceProperty(resource, KERBEROS_DESCRIPTOR_NAME_PROPERTY_ID, entity.getName(), requestPropertyIds); |
| setResourceProperty(resource, KERBEROS_DESCRIPTOR_TEXT_PROPERTY_ID, entity.getKerberosDescriptorText(), requestPropertyIds); |
| } |
| |
| @Override |
| public RequestStatus updateResources(Request request, Predicate predicate) throws SystemException, |
| UnsupportedPropertyException, NoSuchResourceException, NoSuchParentResourceException { |
| throw new UnsupportedOperationException("Not yet implemented!"); |
| } |
| |
| @Override |
| public RequestStatus deleteResources(Request request, Predicate predicate) throws SystemException, |
| UnsupportedPropertyException, NoSuchResourceException, NoSuchParentResourceException { |
| |
| Set<Resource> setResources = getResources(new RequestImpl(null, null, null, null), predicate); |
| |
| for (Resource resource : setResources) { |
| final String kerberosDescriptorName = |
| (String) resource.getPropertyValue(KERBEROS_DESCRIPTOR_NAME_PROPERTY_ID); |
| LOGGER.debug("Deleting resource with name: {}", kerberosDescriptorName); |
| kerberosDescriptorDAO.removeByName(kerberosDescriptorName); |
| } |
| |
| return getRequestStatus(null); |
| } |
| |
| @Override |
| protected Set<String> getPKPropertyIds() { |
| return Collections.emptySet(); |
| } |
| |
| private String getRawKerberosDescriptorFromRequest(Request request) throws UnsupportedPropertyException { |
| if (request.getRequestInfoProperties() == null || |
| !request.getRequestInfoProperties().containsKey(Request.REQUEST_INFO_BODY_PROPERTY)) { |
| LOGGER.error("Could not find the raw request body in the request: {}", request); |
| throw new UnsupportedPropertyException(Resource.Type.KerberosDescriptor, |
| Collections.singleton(Request.REQUEST_INFO_BODY_PROPERTY)); |
| } |
| return request.getRequestInfoProperties().get(Request.REQUEST_INFO_BODY_PROPERTY); |
| } |
| |
| private String getNameFromRequest(Request request) throws UnsupportedPropertyException { |
| if (request.getProperties() == null || !request.getProperties().iterator().hasNext()) { |
| LOGGER.error("There is no {} property id in the request {}", KERBEROS_DESCRIPTOR_NAME_PROPERTY_ID, request); |
| throw new UnsupportedPropertyException(Resource.Type.KerberosDescriptor, |
| Collections.singleton(KERBEROS_DESCRIPTOR_NAME_PROPERTY_ID)); |
| } |
| return (String) request.getProperties().iterator().next().get(KERBEROS_DESCRIPTOR_NAME_PROPERTY_ID); |
| } |
| |
| } |