org.apache.kylin.tool.util.ToolUtil Maven / Gradle / Ivy
/*
* 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.kylin.tool.util;
import com.google.common.collect.Maps;
import org.apache.commons.lang.StringUtils;
import org.apache.kylin.common.KylinConfig;
import org.apache.kylin.common.persistence.ResourceStore;
import java.io.File;
import java.io.IOException;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.util.Map;
public class ToolUtil {
private ToolUtil() {
throw new IllegalStateException("Class ToolUtil is an utility class !");
}
public static String getConfFolder() {
final String CONF = "conf";
String path = System.getProperty(KylinConfig.KYLIN_CONF);
if (StringUtils.isNotEmpty(path)) {
return path;
}
path = KylinConfig.getKylinHome();
if (StringUtils.isNotEmpty(path)) {
return path + File.separator + CONF;
}
throw new RuntimeException("Cannot find conf folder.");
}
public static String getMetaStoreId() throws IOException {
KylinConfig kylinConfig = KylinConfig.getInstanceFromEnv();
ResourceStore store = ResourceStore.getStore(kylinConfig);
return store.getMetaStoreUUID();
}
public static String decideKylinMajorVersionFromCommitFile() {
Map majorVersionCommitMap = Maps.newHashMap();
majorVersionCommitMap.put("1.3", "commit.sha1");
majorVersionCommitMap.put("1.5", "commit_SHA1");
for (Map.Entry majorVersionEntry : majorVersionCommitMap.entrySet()) {
if (new File(KylinConfig.getKylinHome(), majorVersionEntry.getValue()).exists()) {
return majorVersionEntry.getKey();
}
}
return null;
}
public static String getHostName() {
String hostname = System.getenv("COMPUTERNAME");
if (StringUtils.isEmpty(hostname)) {
InetAddress address = null;
try {
address = InetAddress.getLocalHost();
hostname = address.getHostName();
if (StringUtils.isEmpty(hostname)) {
hostname = address.getHostAddress();
}
} catch (UnknownHostException uhe) {
String host = uhe.getMessage(); // host = "hostname: hostname"
if (host != null) {
int colon = host.indexOf(':');
if (colon > 0) {
return host.substring(0, colon);
}
}
hostname = "Unknown";
}
}
return hostname;
}
}