| /* |
| * 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 |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * 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. |
| */ |
| package org.apache.ambari.server.controller.internal; |
| |
| import java.util.EnumSet; |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.LinkedList; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Objects; |
| import java.util.Set; |
| |
| import org.apache.ambari.server.AmbariException; |
| import org.apache.ambari.server.DuplicateResourceException; |
| import org.apache.ambari.server.StaticallyInject; |
| import org.apache.ambari.server.controller.SettingResponse; |
| 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.utilities.PropertyHelper; |
| import org.apache.ambari.server.orm.dao.SettingDAO; |
| import org.apache.ambari.server.orm.entities.SettingEntity; |
| import org.apache.ambari.server.security.authorization.AuthorizationException; |
| import org.apache.ambari.server.security.authorization.AuthorizationHelper; |
| import org.apache.ambari.server.security.authorization.RoleAuthorization; |
| import org.apache.commons.lang.ObjectUtils; |
| import org.apache.commons.lang.StringUtils; |
| |
| import com.google.common.collect.ImmutableSet; |
| import com.google.inject.Inject; |
| |
| /** |
| * This class deals with managing CRUD operation on {@link SettingEntity}. |
| */ |
| @StaticallyInject |
| public class SettingResourceProvider extends AbstractAuthorizedResourceProvider { |
| |
| public static final String RESPONSE_KEY = "Settings"; |
| protected static final String ID = "id"; |
| protected static final String SETTING = "Setting"; |
| public static final String NAME = "name"; |
| public static final String SETTING_TYPE = "setting_type"; |
| public static final String CONTENT = "content"; |
| public static final String UPDATED_BY = "updated_by"; |
| public static final String UPDATE_TIMESTAMP = "update_timestamp"; |
| public static final String SETTING_NAME_PROPERTY_ID = RESPONSE_KEY + PropertyHelper.EXTERNAL_PATH_SEP + NAME; |
| public static final String SETTING_SETTING_TYPE_PROPERTY_ID = RESPONSE_KEY + PropertyHelper.EXTERNAL_PATH_SEP + SETTING_TYPE; |
| public static final String SETTING_CONTENT_PROPERTY_ID = RESPONSE_KEY + PropertyHelper.EXTERNAL_PATH_SEP + CONTENT; |
| public static final String SETTING_UPDATED_BY_PROPERTY_ID = RESPONSE_KEY + PropertyHelper.EXTERNAL_PATH_SEP + UPDATED_BY; |
| public static final String SETTING_UPDATE_TIMESTAMP_PROPERTY_ID = RESPONSE_KEY + PropertyHelper.EXTERNAL_PATH_SEP + UPDATE_TIMESTAMP; |
| public static final String ALL_PROPERTIES = RESPONSE_KEY + PropertyHelper.EXTERNAL_PATH_SEP + "*"; |
| |
| /** |
| * The property ids for setting resource. |
| */ |
| private static final Set<String> propertyIds = new HashSet<>(); |
| |
| /** |
| * The key property ids for setting resource. |
| */ |
| private static final Map<Resource.Type, String> keyPropertyIds = new HashMap<>(); |
| |
| private static final Set<String> REQUIRED_PROPERTIES = ImmutableSet.of( |
| SETTING_NAME_PROPERTY_ID, |
| SETTING_SETTING_TYPE_PROPERTY_ID, |
| SETTING_CONTENT_PROPERTY_ID |
| ); |
| |
| @Inject |
| private static SettingDAO dao; |
| |
| static { |
| propertyIds.add(SETTING_NAME_PROPERTY_ID); |
| propertyIds.add(SETTING_SETTING_TYPE_PROPERTY_ID); |
| propertyIds.add(SETTING_CONTENT_PROPERTY_ID); |
| propertyIds.add(SETTING_UPDATED_BY_PROPERTY_ID); |
| propertyIds.add(SETTING_UPDATE_TIMESTAMP_PROPERTY_ID); |
| propertyIds.add(SETTING_SETTING_TYPE_PROPERTY_ID); |
| propertyIds.add(SETTING); |
| |
| keyPropertyIds.put(Resource.Type.Setting, SETTING_NAME_PROPERTY_ID); |
| } |
| |
| protected SettingResourceProvider() { |
| super(propertyIds, keyPropertyIds); |
| EnumSet<RoleAuthorization> requiredAuthorizations = EnumSet.of(RoleAuthorization.AMBARI_MANAGE_SETTINGS); |
| setRequiredCreateAuthorizations(requiredAuthorizations); |
| setRequiredDeleteAuthorizations(requiredAuthorizations); |
| setRequiredUpdateAuthorizations(requiredAuthorizations); |
| } |
| |
| @Override |
| protected Set<String> getPKPropertyIds() { |
| return new HashSet<>(keyPropertyIds.values()); |
| } |
| |
| @Override |
| public RequestStatus createResourcesAuthorized(Request request) |
| throws NoSuchParentResourceException, ResourceAlreadyExistsException, SystemException { |
| Set<Resource> associatedResources = new HashSet<>(); |
| |
| for (Map<String, Object> properties : request.getProperties()) { |
| SettingResponse setting = createResources(newCreateCommand(request, properties)); |
| Resource resource = new ResourceImpl(Resource.Type.Setting); |
| resource.setProperty(SETTING_NAME_PROPERTY_ID, setting.getName()); |
| associatedResources.add(resource); |
| } |
| |
| return getRequestStatus(null, associatedResources); |
| } |
| |
| @Override |
| public Set<Resource> getResourcesAuthorized(Request request, Predicate predicate) throws NoSuchResourceException { |
| List<SettingEntity> entities = new LinkedList<>(); |
| final Set<Map<String, Object>> propertyMaps = getPropertyMaps(predicate); |
| if (propertyMaps.isEmpty()) { |
| entities = dao.findAll(); |
| } |
| for (Map<String, Object> propertyMap: propertyMaps) { |
| if (propertyMap.containsKey(SETTING_NAME_PROPERTY_ID)) { |
| String name = propertyMap.get(SETTING_NAME_PROPERTY_ID).toString(); |
| SettingEntity entity = dao.findByName(name); |
| if (entity == null) { |
| throw new NoSuchResourceException(String.format("Setting with name %s does not exists", name)); |
| } |
| entities.add(entity); |
| } else { |
| entities = dao.findAll(); |
| break; |
| } |
| } |
| Set<String> requestedIds = getRequestPropertyIds(request, predicate); |
| Set<Resource> resources = new HashSet<>(); |
| for(SettingEntity entity : entities) { |
| resources.add(toResource(toResponse(entity), requestedIds)); |
| } |
| return resources; |
| } |
| |
| @Override |
| public RequestStatus updateResourcesAuthorized(Request request, Predicate predicate) |
| throws NoSuchResourceException, NoSuchParentResourceException, SystemException { |
| modifyResources(newUpdateCommand(request)); |
| return getRequestStatus(null); |
| } |
| |
| @Override |
| public RequestStatus deleteResourcesAuthorized(Request request, Predicate predicate) { |
| final Set<Map<String, Object>> propertyMaps = getPropertyMaps(predicate); |
| for (Map<String, Object> propertyMap : propertyMaps) { |
| if (propertyMap.containsKey(SETTING_NAME_PROPERTY_ID)) { |
| dao.removeByName(propertyMap.get(SETTING_NAME_PROPERTY_ID).toString()); |
| } |
| } |
| return getRequestStatus(null); |
| } |
| |
| |
| private Command<SettingResponse> newCreateCommand(final Request request, final Map<String, Object> properties) { |
| return new Command<SettingResponse>() { |
| @Override |
| public SettingResponse invoke() throws AmbariException, AuthorizationException { |
| SettingEntity entity = toEntity(properties); |
| if (dao.findByName(entity.getName()) != null) { |
| throw new DuplicateResourceException( |
| String.format("Setting already exists. setting name :%s ", entity.getName())); |
| } |
| dao.create(entity); |
| notifyCreate(Resource.Type.Setting, request); |
| return toResponse(entity); |
| } |
| }; |
| } |
| |
| private Command<Void> newUpdateCommand(final Request request) throws NoSuchResourceException, SystemException { |
| return new Command<Void>() { |
| @Override |
| public Void invoke() throws AmbariException { |
| final Set<Map<String, Object>> propertyMaps = request.getProperties(); |
| for (Map<String, Object> propertyMap : propertyMaps) { |
| if (propertyMap.containsKey(SETTING_NAME_PROPERTY_ID)) { |
| String name = propertyMap.get(SETTING_NAME_PROPERTY_ID).toString(); |
| SettingEntity entity = dao.findByName(name); |
| if (entity == null) { |
| throw new AmbariException(String.format("There is no setting with name: %s ", name)); |
| } |
| updateEntity(entity, propertyMap); |
| dao.merge(entity); |
| } |
| } |
| return null; |
| } |
| }; |
| } |
| |
| private void updateEntity(SettingEntity entity, Map<String, Object> propertyMap) throws AmbariException { |
| String name = propertyMap.get(SETTING_NAME_PROPERTY_ID).toString(); |
| if (!Objects.equals(name, entity.getName())) { |
| throw new AmbariException("Name for Setting is immutable, cannot change name."); |
| } |
| |
| if (StringUtils.isNotBlank(ObjectUtils.toString(propertyMap.get(SETTING_CONTENT_PROPERTY_ID)))) { |
| entity.setContent(propertyMap.get(SETTING_CONTENT_PROPERTY_ID).toString()); |
| } |
| |
| if (StringUtils.isNotBlank(ObjectUtils.toString(propertyMap.get(SETTING_SETTING_TYPE_PROPERTY_ID)))) { |
| entity.setSettingType(propertyMap.get(SETTING_SETTING_TYPE_PROPERTY_ID).toString()); |
| } |
| |
| entity.setUpdatedBy(AuthorizationHelper.getAuthenticatedName()); |
| entity.setUpdateTimestamp(System.currentTimeMillis()); |
| } |
| |
| private Resource toResource(final SettingResponse setting, final Set<String> requestedIds) { |
| Resource resource = new ResourceImpl(Resource.Type.Setting); |
| setResourceProperty(resource, SETTING_NAME_PROPERTY_ID, setting.getName(), requestedIds); |
| setResourceProperty(resource, SETTING_SETTING_TYPE_PROPERTY_ID, setting.getSettingType(), requestedIds); |
| setResourceProperty(resource, SETTING_CONTENT_PROPERTY_ID, setting.getContent(), requestedIds); |
| setResourceProperty(resource, SETTING_UPDATED_BY_PROPERTY_ID, setting.getUpdatedBy(), requestedIds); |
| setResourceProperty(resource, SETTING_UPDATE_TIMESTAMP_PROPERTY_ID, setting.getUpdateTimestamp(), requestedIds); |
| return resource; |
| } |
| |
| private SettingEntity toEntity(final Map<String, Object> properties) throws AmbariException { |
| for (String propertyName: REQUIRED_PROPERTIES) { |
| if (properties.get(propertyName) == null) { |
| throw new AmbariException(String.format("Property %s should be provided", propertyName)); |
| } |
| } |
| |
| SettingEntity entity = new SettingEntity(); |
| entity.setName(properties.get(SETTING_NAME_PROPERTY_ID).toString()); |
| entity.setSettingType(properties.get(SETTING_SETTING_TYPE_PROPERTY_ID).toString()); |
| entity.setContent(properties.get(SETTING_CONTENT_PROPERTY_ID).toString()); |
| entity.setUpdatedBy(AuthorizationHelper.getAuthenticatedName()); |
| entity.setUpdateTimestamp(System.currentTimeMillis()); |
| return entity; |
| } |
| |
| private static SettingResponse toResponse(SettingEntity entity) { |
| return new SettingResponse(entity.getName(), entity.getSettingType(), entity.getContent(), entity.getUpdatedBy(), entity.getUpdateTimestamp()); |
| } |
| } |