| /** |
| * 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.view.pig; |
| |
| import org.apache.ambari.view.ClusterType; |
| import org.apache.ambari.view.ViewInstanceDefinition; |
| import org.apache.ambari.view.utils.ambari.ValidatorUtils; |
| import org.apache.ambari.view.validation.ValidationResult; |
| import org.apache.ambari.view.validation.Validator; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| public class PropertyValidator implements Validator { |
| protected final static Logger LOG = |
| LoggerFactory.getLogger(PropertyValidator.class); |
| |
| public static final String WEBHDFS_URL = "webhdfs.url"; |
| public static final String WEBHCAT_PORT = "webhcat.port"; |
| |
| @Override |
| public ValidationResult validateInstance(ViewInstanceDefinition viewInstanceDefinition, ValidationContext validationContext) { |
| return null; |
| } |
| |
| @Override |
| public ValidationResult validateProperty(String property, ViewInstanceDefinition viewInstanceDefinition, ValidationContext validationContext) { |
| // 1. Validate non cluster associated properties |
| // no properties |
| |
| // if associated with cluster(local or remote), no need to validate associated properties |
| ClusterType clusterType = viewInstanceDefinition.getClusterType(); |
| if (clusterType == ClusterType.LOCAL_AMBARI || clusterType == ClusterType.REMOTE_AMBARI) { |
| return ValidationResult.SUCCESS; |
| } |
| |
| // 3. Cluster associated properties |
| if (property.equals(WEBHDFS_URL)) { |
| String webhdfsUrl = viewInstanceDefinition.getPropertyMap().get(WEBHDFS_URL); |
| if (!ValidatorUtils.validateHdfsURL(webhdfsUrl)) { |
| LOG.error("Illegal webhdfsUrl : {}", webhdfsUrl); |
| return new InvalidPropertyValidationResult(false, "Must be valid URL"); |
| } |
| } |
| |
| if (property.equals(WEBHCAT_PORT)) { |
| String webhcatPort = viewInstanceDefinition.getPropertyMap().get(WEBHCAT_PORT); |
| if (webhcatPort != null) { |
| try { |
| int port = Integer.valueOf(webhcatPort); |
| if (port < 1 || port > 65535) { |
| LOG.error("Illegal port : {} ", port); |
| return new InvalidPropertyValidationResult(false, "Must be from 1 to 65535"); |
| } |
| } catch (NumberFormatException e) { |
| LOG.error("Port not numeric. webhcatPort = {}", webhcatPort); |
| return new InvalidPropertyValidationResult(false, "Must be integer"); |
| } |
| } |
| } |
| |
| return ValidationResult.SUCCESS; |
| } |
| |
| public static class InvalidPropertyValidationResult implements ValidationResult { |
| private boolean valid; |
| private String detail; |
| |
| public InvalidPropertyValidationResult(boolean valid, String detail) { |
| this.valid = valid; |
| this.detail = detail; |
| } |
| |
| @Override |
| public boolean isValid() { |
| return valid; |
| } |
| |
| @Override |
| public String getDetail() { |
| return detail; |
| } |
| } |
| |
| } |