/**
* 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.hive20;
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;
public class PropertyValidator implements Validator {
public static final String WEBHDFS_URL = "webhdfs.url";
public static final String HIVE_PORT = "hive.port";
public static final String YARN_ATS_URL = "yarn.ats.url";
public static final String HIVE_SESSION_PARAMS = "hive.session.params";
public static final String USE_HIVE_INTERACTIVE_MODE = "use.hive.interactive.mode";
@Override
public ValidationResult validateInstance(ViewInstanceDefinition viewInstanceDefinition, ValidationContext validationContext) {
return null;
}
@Override
public ValidationResult validateProperty(String property, ViewInstanceDefinition viewInstanceDefinition, ValidationContext validationContext) {
// Validate non cluster associated properties
if (property.equals(HIVE_SESSION_PARAMS)) {
String auth = viewInstanceDefinition.getPropertyMap().get(HIVE_SESSION_PARAMS);
if (auth != null && !auth.isEmpty()) {
for(String param : auth.split(";")) {
String[] keyvalue = param.split("=");
if (keyvalue.length != 2) {
return new InvalidPropertyValidationResult(false, "Can not parse session param " + param + " in " + auth);
}
}
}
}
if (property.equals(USE_HIVE_INTERACTIVE_MODE)) {
String value = viewInstanceDefinition.getPropertyMap().get(USE_HIVE_INTERACTIVE_MODE);
if (!("true".equalsIgnoreCase(value) || "false".equalsIgnoreCase(value))) {
return new InvalidPropertyValidationResult(false, "Must be 'true' or 'false'");
}
}
// 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;
}
// Cluster associated properties
if (property.equals(WEBHDFS_URL)) {
String webhdfsUrl = viewInstanceDefinition.getPropertyMap().get(WEBHDFS_URL);
if (!ValidatorUtils.validateHdfsURL(webhdfsUrl)) {
return new InvalidPropertyValidationResult(false, "Must be valid URL");
}
}
if (property.equals(YARN_ATS_URL)) {
String atsUrl = viewInstanceDefinition.getPropertyMap().get(YARN_ATS_URL);
if (!ValidatorUtils.validateHttpURL(atsUrl)) {
return new InvalidPropertyValidationResult(false, "Must be valid URL");
}
}
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;
}
}
}