package com.thinkbiganalytics.kerberos;
/*-
* #%L
* thinkbig-service-app
* %%
* Copyright (C) 2017 ThinkBig Analytics
* %%
* Licensed 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.
* #L%
*/
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.PropertySource;
import org.springframework.core.env.Environment;
/**
*/
@Configuration
@PropertySource("classpath:application.properties")
@ComponentScan(basePackages = {"com.thinkbiganalytics"})
public class KerberosConfiguration {
@Autowired
private Environment env;
@Bean(name = "kerberosHiveConfiguration")
public KerberosTicketConfiguration kerberosTicketHiveConfiguration() {
String kerberosEnabled = env.getProperty("kerberos.hive.kerberosEnabled");
String hadoopConfigurationResources = env.getProperty("kerberos.hive.hadoopConfigurationResources");
String kerberosPrincipal = env.getProperty("kerberos.hive.kerberosPrincipal");
String keytabLocation = env.getProperty("kerberos.hive.keytabLocation");
KerberosTicketConfiguration config = new KerberosTicketConfiguration();
config.setKerberosEnabled("true".equals(kerberosEnabled) ? true : false);
config.setHadoopConfigurationResources(hadoopConfigurationResources);
config.setKerberosPrincipal(kerberosPrincipal);
config.setKeytabLocation(keytabLocation);
if (config.isKerberosEnabled() && (StringUtils.isBlank(config.getHadoopConfigurationResources())
|| StringUtils.isBlank(config.getKeytabLocation()) || StringUtils.isBlank(config.getKerberosPrincipal()))) {
throw new RuntimeException("Kerberos is enabled. hadoopConfigurationResources, kerberosPrincipal, and keytabLocation are required");
}
return config;
}
}