content: /*
   * 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.ArrayList;
  import java.util.Arrays;
  import java.util.HashMap;
  import java.util.HashSet;
  import java.util.List;
  import java.util.Map;
  import java.util.Set;
  
  import org.apache.ambari.server.AmbariException;
  import org.apache.ambari.server.api.services.stackadvisor.StackAdvisorException;
  import org.apache.ambari.server.api.services.stackadvisor.StackAdvisorRequest;
  import org.apache.ambari.server.api.services.stackadvisor.StackAdvisorRequestException;
  import org.apache.ambari.server.api.services.stackadvisor.validations.ValidationResponse;
  import org.apache.ambari.server.api.services.stackadvisor.validations.ValidationResponse.ValidationItem;
  import org.apache.ambari.server.controller.AmbariManagementController;
  import org.apache.ambari.server.controller.spi.NoSuchParentResourceException;
  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.Resource.Type;
  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.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import com.google.common.collect.ImmutableMap;
  import com.google.common.collect.Sets;
  
  public class ValidationResourceProvider extends StackAdvisorResourceProvider {
  
    private static final Logger LOG = LoggerFactory.getLogger(ValidationResourceProvider.class);
  
    protected static final String VALIDATION_ID_PROPERTY_ID = PropertyHelper.getPropertyId(
        "Validation", "id");
    protected static final String VALIDATE_PROPERTY_ID = "validate";
  
    protected static final String ITEMS_PROPERTY_ID = "items";
    protected static final String TYPE_PROPERTY_ID = "type";
    protected static final String LEVE_PROPERTY_ID = "level";
    protected static final String MESSAGE_PROPERTY_ID = "message";
    protected static final String COMPONENT_NAME_PROPERTY_ID = "component-name";
    protected static final String HOST_PROPERTY_ID = "host";
    protected static final String CONFIG_TYPE_PROPERTY_ID = "config-type";
    protected static final String CONFIG_NAME_PROPERTY_ID = "config-name";
    protected static final String HOST_GROUP_PROPERTY_ID = "host-group";
    protected static final String HOSTS_PROPERTY_ID = "hosts";
    protected static final String SERVICES_PROPERTY_ID = "services";
    protected static final String RECOMMENDATIONS_PROPERTY_ID = "recommendations";
  
    protected static final String ITEMS_TYPE_PROPERTY_ID = PropertyHelper.getPropertyId(ITEMS_PROPERTY_ID, TYPE_PROPERTY_ID);
    protected static final String ITEMS_LEVE_PROPERTY_ID =  PropertyHelper.getPropertyId(ITEMS_PROPERTY_ID, LEVE_PROPERTY_ID);
    protected static final String ITEMS_MESSAGE_PROPERTY_ID =  PropertyHelper.getPropertyId(ITEMS_PROPERTY_ID, MESSAGE_PROPERTY_ID);
    protected static final String ITEMS_COMPONENT_NAME_PROPERTY_ID =  PropertyHelper.getPropertyId(ITEMS_PROPERTY_ID, COMPONENT_NAME_PROPERTY_ID);
    protected static final String ITEMS_HOST_PROPERTY_ID =  PropertyHelper.getPropertyId(ITEMS_PROPERTY_ID, HOST_PROPERTY_ID);
    protected static final String ITEMS_CONFIG_TYPE_PROPERTY_ID =  PropertyHelper.getPropertyId(ITEMS_PROPERTY_ID, CONFIG_TYPE_PROPERTY_ID);
    protected static final String ITEMS_CONFIG_NAME_PROPERTY_ID =  PropertyHelper.getPropertyId(ITEMS_PROPERTY_ID, CONFIG_NAME_PROPERTY_ID);
    protected static final String ITEMS_HOST_GROUP_PROPERTY_ID = PropertyHelper.getPropertyId(ITEMS_PROPERTY_ID, HOST_GROUP_PROPERTY_ID);
  
    /**
     * The key property ids for a Validation resource.
     */
    private static final Map<Resource.Type, String> keyPropertyIds = ImmutableMap.<Resource.Type, String>builder()
        .put(Type.Validation, VALIDATION_ID_PROPERTY_ID)
        .put(Type.Stack, STACK_NAME_PROPERTY_ID)
        .put(Type.StackVersion, STACK_VERSION_PROPERTY_ID)
        .build();
  
    /**
     * The property ids for a Validation resource.
     */
    private static final Set<String> propertyIds = Sets.newHashSet(
        VALIDATION_ID_PROPERTY_ID,
        VALIDATE_PROPERTY_ID,
        ITEMS_PROPERTY_ID,
        STACK_NAME_PROPERTY_ID,
        STACK_VERSION_PROPERTY_ID,
        ITEMS_TYPE_PROPERTY_ID,
        ITEMS_LEVE_PROPERTY_ID,
        ITEMS_MESSAGE_PROPERTY_ID,
        ITEMS_COMPONENT_NAME_PROPERTY_ID,
        ITEMS_HOST_PROPERTY_ID,
        ITEMS_CONFIG_TYPE_PROPERTY_ID,
        ITEMS_CONFIG_NAME_PROPERTY_ID,
        ITEMS_HOST_GROUP_PROPERTY_ID,
        HOSTS_PROPERTY_ID,
        SERVICES_PROPERTY_ID,
        RECOMMENDATIONS_PROPERTY_ID);
  
    protected ValidationResourceProvider(AmbariManagementController managementController) {
      super(Type.Validation, propertyIds, keyPropertyIds, managementController);
    }
  
    @Override
    protected String getRequestTypePropertyId() {
      return VALIDATE_PROPERTY_ID;
    }
  
    @Override
    public RequestStatus createResources(final Request request) throws SystemException,
        UnsupportedPropertyException, ResourceAlreadyExistsException, NoSuchParentResourceException {
      StackAdvisorRequest validationRequest = prepareStackAdvisorRequest(request);
  
      final ValidationResponse response;
      try {
        response = saHelper.validate(validationRequest);
      } catch (StackAdvisorRequestException e) {
        LOG.warn("Error occurred during validation", e);
        throw new IllegalArgumentException(e.getMessage(), e);
      } catch (StackAdvisorException e) {
        LOG.warn("Error occurred during validation", e);
        throw new SystemException(e.getMessage(), e);
      }
  
      Resource validation = createResources(new Command<Resource>() {
        @Override
        public Resource invoke() throws AmbariException {
  
          Resource resource = new ResourceImpl(Resource.Type.Validation);
          setResourceProperty(resource, VALIDATION_ID_PROPERTY_ID, response.getId(), getPropertyIds());
          setResourceProperty(resource, STACK_NAME_PROPERTY_ID, response.getVersion().getStackName(), getPropertyIds());
          setResourceProperty(resource, STACK_VERSION_PROPERTY_ID, response.getVersion().getStackVersion(), getPropertyIds());
  
          List<Map<String, Object>> listItemProps = new ArrayList<>();
  
          Set<ValidationItem> items = response.getItems();
          for (ValidationItem item : items) {
            Map<String, Object> mapItemProps = new HashMap<>();
            mapItemProps.put(TYPE_PROPERTY_ID, item.getType());
            mapItemProps.put(LEVE_PROPERTY_ID, item.getLevel());
            mapItemProps.put(MESSAGE_PROPERTY_ID, item.getMessage());
  
            if (item.getComponentName() != null) {
              mapItemProps.put(COMPONENT_NAME_PROPERTY_ID, item.getComponentName());
            }
            if (item.getHost() != null) {
              mapItemProps.put(HOST_PROPERTY_ID, item.getHost());
            }
            if (item.getConfigType() != null) {
              mapItemProps.put(CONFIG_TYPE_PROPERTY_ID, item.getConfigType());
              mapItemProps.put(CONFIG_NAME_PROPERTY_ID, item.getConfigName());
            }
            listItemProps.add(mapItemProps);
          }
          setResourceProperty(resource, ITEMS_PROPERTY_ID, listItemProps, getPropertyIds());
  
          return resource;
        }
      });
      notifyCreate(Resource.Type.Validation, request);
  
      Set<Resource> resources = new HashSet<>(Arrays.asList(validation));
      return new RequestStatusImpl(null, resources);
    }
  
    @Override
    protected Set<String> getPKPropertyIds() {
      return new HashSet<>(keyPropertyIds.values());
    }
  
  }
  