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/*
* 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;
import java.io.File;
import java.io.IOException;
import java.nio.charset.Charset;
import org.apache.commons.io.FileUtils;
import org.apache.commons.lang.StringUtils;
import org.apache.kylin.common.KylinConfig;
import org.apache.kylin.common.util.CliCommandExecutor;
import org.apache.kylin.common.util.OptionsHelper;
import org.apache.kylin.common.util.Pair;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.google.common.io.Files;
public class ClientEnvExtractor extends AbstractInfoExtractor {
private static final Logger logger = LoggerFactory.getLogger(ClientEnvExtractor.class);
private KylinConfig kylinConfig;
private CliCommandExecutor cmdExecutor;
public ClientEnvExtractor() throws IOException {
super();
packageType = "client";
kylinConfig = KylinConfig.getInstanceFromEnv();
cmdExecutor = kylinConfig.getCliCommandExecutor();
}
@Override
protected void executeExtract(OptionsHelper optionsHelper, File exportDir) throws Exception {
// dump os info
addLocalFile("/sys/kernel/mm/transparent_hugepage/defrag", "linux/transparent_hugepage");
addLocalFile("/proc/sys/vm/swappiness", "linux/swappiness");
addLocalFile("/proc/cpuinfo", "linux");
addShellOutput("lsb_release -a", "linux", "lsb_release");
addShellOutput("df -h", "linux", "disk_usage");
addShellOutput("free -m", "linux", "mem_usage_mb");
addShellOutput("top -b -n 1 | head -n 30", "linux", "top");
addShellOutput("ps aux|grep kylin", "linux", "kylin_processes");
// dump hadoop env
addShellOutput("hadoop version", "hadoop", "version");
addShellOutput("hbase version", "hbase", "version");
addShellOutput("hive --version", "hive", "version");
addShellOutput("beeline --version", "hive", "beeline_version");
}
private void addLocalFile(String src, String destDir) {
try {
File srcFile = new File(src);
File destDirFile = null;
if (!StringUtils.isEmpty(destDir)) {
destDirFile = new File(exportDir, destDir);
FileUtils.forceMkdir(destDirFile);
} else {
destDirFile = exportDir;
}
FileUtils.forceMkdir(destDirFile);
Files.copy(srcFile, new File(destDirFile, srcFile.getName()));
} catch (Exception e) {
logger.warn("Failed to copy " + src + ".", e);
}
}
private void addShellOutput(String cmd, String destDir, String filename) {
try {
File destDirFile = null;
if (!StringUtils.isEmpty(destDir)) {
destDirFile = new File(exportDir, destDir);
FileUtils.forceMkdir(destDirFile);
} else {
destDirFile = exportDir;
}
Pair result = cmdExecutor.execute(cmd);
String output = result.getSecond();
FileUtils.writeStringToFile(new File(destDirFile, filename), output, Charset.defaultCharset());
} catch (Exception e) {
logger.warn("Failed to run command: " + cmd + ".", e);
}
}
}
