| /** |
| * 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 org.apache.ambari.server.AmbariException; |
| import org.apache.ambari.server.controller.AmbariManagementController; |
| import org.apache.ambari.server.controller.RequestStatusResponse; |
| import org.apache.ambari.server.controller.ServiceRequest; |
| import org.apache.ambari.server.controller.ServiceResponse; |
| import org.apache.ambari.server.controller.spi.*; |
| import org.apache.ambari.server.controller.utilities.PropertyHelper; |
| |
| import java.util.Arrays; |
| import java.util.HashSet; |
| import java.util.Iterator; |
| import java.util.Map; |
| import java.util.Set; |
| |
| /** |
| * Resource provider for service resources. |
| */ |
| class ServiceResourceProvider extends AbstractResourceProvider { |
| |
| |
| // ----- Property ID constants --------------------------------------------- |
| |
| // Services |
| protected static final String SERVICE_CLUSTER_NAME_PROPERTY_ID = PropertyHelper.getPropertyId("ServiceInfo", "cluster_name"); |
| protected static final String SERVICE_SERVICE_NAME_PROPERTY_ID = PropertyHelper.getPropertyId("ServiceInfo", "service_name"); |
| protected static final String SERVICE_SERVICE_STATE_PROPERTY_ID = PropertyHelper.getPropertyId("ServiceInfo", "state"); |
| protected static final String SERVICE_DESIRED_CONFIGS_PROPERTY_ID = PropertyHelper.getPropertyId("ServiceInfo", "desired_configs"); |
| |
| |
| private static Set<String> pkPropertyIds = |
| new HashSet<String>(Arrays.asList(new String[]{ |
| SERVICE_CLUSTER_NAME_PROPERTY_ID, |
| SERVICE_SERVICE_NAME_PROPERTY_ID})); |
| |
| // ----- Constructors ---------------------------------------------------- |
| |
| /** |
| * Create a new resource provider for the given management controller. |
| * |
| * @param propertyIds the property ids |
| * @param keyPropertyIds the key property ids |
| * @param managementController the management controller |
| */ |
| ServiceResourceProvider(Set<String> propertyIds, |
| Map<Resource.Type, String> keyPropertyIds, |
| AmbariManagementController managementController) { |
| super(propertyIds, keyPropertyIds, managementController); |
| } |
| |
| // ----- ResourceProvider ------------------------------------------------ |
| |
| @Override |
| public RequestStatus createResources(Request request) |
| throws SystemException, |
| UnsupportedPropertyException, |
| ResourceAlreadyExistsException, |
| NoSuchParentResourceException { |
| |
| final Set<ServiceRequest> requests = new HashSet<ServiceRequest>(); |
| for (Map<String, Object> propertyMap : request.getProperties()) { |
| requests.add(getRequest(propertyMap)); |
| } |
| createResources(new Command<Void>() { |
| @Override |
| public Void invoke() throws AmbariException { |
| getManagementController().createServices(requests); |
| return null; |
| } |
| }); |
| notifyCreate(Resource.Type.Service, request); |
| |
| return getRequestStatus(null); |
| } |
| |
| @Override |
| public Set<Resource> getResources(Request request, Predicate predicate) throws |
| SystemException, UnsupportedPropertyException, NoSuchResourceException, NoSuchParentResourceException { |
| |
| final Set<ServiceRequest> requests = new HashSet<ServiceRequest>(); |
| |
| for (Map<String, Object> propertyMap : getPropertyMaps(predicate)) { |
| requests.add(getRequest(propertyMap)); |
| } |
| |
| Set<ServiceResponse> responses = getResources(new Command<Set<ServiceResponse>>() { |
| @Override |
| public Set<ServiceResponse> invoke() throws AmbariException { |
| return getManagementController().getServices(requests); |
| } |
| }); |
| |
| Set<String> requestedIds = getRequestPropertyIds(request, predicate); |
| Set<Resource> resources = new HashSet<Resource>(); |
| |
| for (ServiceResponse response : responses) { |
| Resource resource = new ResourceImpl(Resource.Type.Service); |
| setResourceProperty(resource, SERVICE_CLUSTER_NAME_PROPERTY_ID, |
| response.getClusterName(), requestedIds); |
| setResourceProperty(resource, SERVICE_SERVICE_NAME_PROPERTY_ID, |
| response.getServiceName(), requestedIds); |
| setResourceProperty(resource, SERVICE_DESIRED_CONFIGS_PROPERTY_ID, |
| response.getConfigVersions(), requestedIds); |
| setResourceProperty(resource, SERVICE_SERVICE_STATE_PROPERTY_ID, |
| response.getDesiredState(), requestedIds); |
| resources.add(resource); |
| } |
| return resources; |
| } |
| |
| @Override |
| public RequestStatus updateResources(Request request, Predicate predicate) |
| throws SystemException, UnsupportedPropertyException, NoSuchResourceException, NoSuchParentResourceException { |
| |
| final Set<ServiceRequest> requests = new HashSet<ServiceRequest>(); |
| RequestStatusResponse response = null; |
| |
| Iterator<Map<String,Object>> iterator = request.getProperties().iterator(); |
| if (iterator.hasNext()) { |
| for (Map<String, Object> propertyMap : getPropertyMaps(iterator.next(), predicate)) { |
| requests.add(getRequest(propertyMap)); |
| } |
| response = modifyResources(new Command<RequestStatusResponse>() { |
| @Override |
| public RequestStatusResponse invoke() throws AmbariException { |
| return getManagementController().updateServices(requests); |
| } |
| }); |
| } |
| notifyUpdate(Resource.Type.Service, request, predicate); |
| |
| return getRequestStatus(response); |
| } |
| |
| @Override |
| public RequestStatus deleteResources(Predicate predicate) |
| throws SystemException, UnsupportedPropertyException, NoSuchResourceException, NoSuchParentResourceException { |
| |
| final Set<ServiceRequest> requests = new HashSet<ServiceRequest>(); |
| for (Map<String, Object> propertyMap : getPropertyMaps(predicate)) { |
| requests.add(getRequest(propertyMap)); |
| } |
| RequestStatusResponse response = modifyResources(new Command<RequestStatusResponse>() { |
| @Override |
| public RequestStatusResponse invoke() throws AmbariException { |
| return getManagementController().deleteServices(requests); |
| } |
| }); |
| |
| notifyDelete(Resource.Type.Service, predicate); |
| return getRequestStatus(response); |
| } |
| |
| @Override |
| public Set<String> checkPropertyIds(Set<String> propertyIds) { |
| propertyIds = super.checkPropertyIds(propertyIds); |
| |
| if (propertyIds.isEmpty()) { |
| return propertyIds; |
| } |
| Set<String> unsupportedProperties = new HashSet<String>(); |
| |
| for (String propertyId : propertyIds) { |
| if (!propertyId.equals("config")) { |
| String propertyCategory = PropertyHelper.getPropertyCategory(propertyId); |
| if (propertyCategory == null || !propertyCategory.equals("config")) { |
| unsupportedProperties.add(propertyId); |
| } |
| } |
| } |
| return unsupportedProperties; |
| } |
| |
| |
| // ----- utility methods ------------------------------------------------- |
| |
| @Override |
| protected Set<String> getPKPropertyIds() { |
| return pkPropertyIds; |
| } |
| |
| /** |
| * Get a service request object from a map of property values. |
| * |
| * @param properties the predicate |
| * |
| * @return the service request object |
| */ |
| private ServiceRequest getRequest(Map<String, Object> properties) { |
| ServiceRequest svcRequest = new ServiceRequest( |
| (String) properties.get(SERVICE_CLUSTER_NAME_PROPERTY_ID), |
| (String) properties.get(SERVICE_SERVICE_NAME_PROPERTY_ID), |
| null, |
| (String) properties.get(SERVICE_SERVICE_STATE_PROPERTY_ID)); |
| |
| Map<String, String> configMappings = |
| ConfigurationResourceProvider.getConfigPropertyValues(properties); |
| |
| if (configMappings.size() > 0) { |
| svcRequest.setConfigVersions(configMappings); |
| } |
| return svcRequest; |
| } |
| } |