ETLApp.java
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package com.bigdata.test;
import com.alibaba.fastjson.JSONObject;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.io.LongWritable;
import org.apache.hadoop.io.NullWritable;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapreduce.Job;
import org.apache.hadoop.mapreduce.Mapper;
import org.apache.hadoop.mapreduce.lib.input.FileInputFormat;
import org.apache.hadoop.mapreduce.lib.output.FileOutputFormat;
import java.io.IOException;
public class ETLApp {
public static void main(String[] args) throws Exception{
System.setProperty("HADOOP_USER_NAME","test");
Configuration configuration = new Configuration();
configuration.set("fs.defaultFS","hdfs://localhost:8020");
FileSystem fileSystem = FileSystem.get(configuration);
Path outputPath = new Path(args[1]);
// Path outputPath = new Path("./input/etl");
if(fileSystem.exists(outputPath)) {
fileSystem.delete(outputPath,true);
}
Job job = Job.getInstance(configuration);
job.setJarByClass(ETLApp.class);
job.addArchiveToClassPath(new Path("/jar/fastjson-1.2.79.jar"));
job.setMapperClass(MyMapper.class);
job.setMapOutputKeyClass(NullWritable.class);
job.setMapOutputValueClass(Text.class);
FileInputFormat.setInputPaths(job, new Path(args[0]));
FileOutputFormat.setOutputPath(job, new Path(args[1]));
// FileInputFormat.setInputPaths(job, new Path("./input/data/log-2021-04-13.03.log"));
// FileOutputFormat.setOutputPath(job, new Path("./input/etl"));
job.waitForCompletion(true);
}
static class MyMapper extends Mapper<LongWritable, Text, NullWritable, Text> {
@Override
protected void map(LongWritable key, Text value, Context context) throws IOException, InterruptedException {
String timestamp = StringUtil.isNull;
String rest = StringUtil.isNull;
String trace = StringUtil.isNull;
String requestUri = StringUtil.isNull;
String status = StringUtil.isNull;
String request = StringUtil.isNull;
String response = StringUtil.isNull;
String method = StringUtil.isNull;
String uid = StringUtil.isNull;
String biz_data = StringUtil.isNull;
String platform = StringUtil.isNull;
String deviceInfo = StringUtil.isNull;
String version = StringUtil.isNull;
String imei = StringUtil.isNull;
String app_id = StringUtil.isNull;
String code = StringUtil.isNull;
String log = value.toString();
if(StringUtil.isMessyCode(log)) {
rest = "messy";
} else {
JSONObject obj = JSONObject.parseObject(log);
timestamp = obj.getString("timestamp");
timestamp = StringUtil.format(timestamp);
if(StringUtil.isMessyCode(timestamp)) {
timestamp = "";
}
rest = obj.getString("rest");
rest = StringUtil.format(rest);
if(StringUtil.isMessyCode(rest)) {
rest = "";
}
trace = obj.getString("trace");
trace = StringUtil.format(trace);
if(StringUtil.isMessyCode(trace)) {
trace = "";
}
String[] split_rest = rest.split("] \\[");
if(split_rest != null && split_rest.length == 11) {
rest = "ok";
requestUri = split_rest[2] != null ? split_rest[2].replace("requestUri:","") : StringUtil.isNull;
requestUri = StringUtil.format(requestUri);
if(StringUtil.isMessyCode(requestUri)) {
requestUri = "";
}
status = split_rest[5] != null ? split_rest[5].replace("status:","") : StringUtil.isNull;
status = StringUtil.format(status);
if(StringUtil.isMessyCode(status)) {
status = "";
}
request = split_rest[8] != null ? split_rest[8].replace("request:","") : StringUtil.isNull;
request = StringUtil.format(request);
if(StringUtil.isMessyCode(request)) {
request = "messy";
status = "messy";
}
response = split_rest[9] != null ? split_rest[9].replace("response:","") : StringUtil.isNull;
response = StringUtil.format(response);
if(StringUtil.isMessyCode(response)) {
response = "";
}
if(request != null && !"".equals(request)) {
String[] requests = request.split("&");
if(requests != null && requests.length == 10) {
for(int i = 0; i < requests.length; i++) {
if(requests[i] != null) {
if(requests[i].contains("uid=")) {
uid = requests[i].replace("uid=","");
uid = StringUtil.format(uid);
if(StringUtil.isMessyCode(uid)) {
uid = "";
}
}else if(requests[i].contains("method=")) {
method = requests[i].replace("method=","");
method = StringUtil.format(method);
if(StringUtil.isMessyCode(method)) {
method = "";
}
}else if(requests[i].contains("biz_data=")) {
biz_data = requests[i].replace("biz_data=","");
biz_data = StringUtil.format(biz_data);
if(StringUtil.isMessyCode(biz_data)) {
biz_data = "";
}
}else if(requests[i].contains("platform=")) {
platform = requests[i].replace("platform=","");
platform = StringUtil.format(platform);
if(StringUtil.isMessyCode(platform)) {
platform = "";
}
}else if(requests[i].contains("deviceInfo=")) {
deviceInfo = requests[i].replace("deviceInfo=","");
deviceInfo = StringUtil.format(deviceInfo);
if(StringUtil.isMessyCode(deviceInfo)) {
deviceInfo = "";
}
}else if(requests[i].contains("version=")) {
version = requests[i].replace("version=","");
version = StringUtil.format(version);
if(StringUtil.isMessyCode(version)) {
version = "";
}
}else if(requests[i].contains("imei=")) {
imei = requests[i].replace("imei=","");
imei = StringUtil.format(imei);
if(StringUtil.isMessyCode(imei)) {
imei = "";
}
}else if(requests[i].contains("app_id=")) {
app_id = requests[i].replace("app_id=","");
app_id = StringUtil.format(app_id);
if(StringUtil.isMessyCode(app_id)) {
app_id = "";
}
}
} else {
uid = StringUtil.isNull;
method = StringUtil.isNull;
biz_data = StringUtil.isNull;
platform = StringUtil.isNull;
deviceInfo = StringUtil.isNull;
version = StringUtil.isNull;
imei = StringUtil.isNull;
app_id = StringUtil.isNull;
}
}
}
}
if(response != null && !"".equals(response) && JsonUtil.isJson(response)) {
code = StringUtil.format(JSONObject.parseObject(response).getString("code"));
if(StringUtil.isMessyCode(code)) {
code = "";
}
}
}
}
StringBuilder builder = new StringBuilder();
builder.append(rest).append("\t");
builder.append(requestUri).append("\t");
builder.append(request).append("\t");
builder.append(response).append("\t");
builder.append(status).append("\t");
builder.append(method).append("\t");
builder.append(uid).append("\t");
builder.append(biz_data).append("\t");
builder.append(platform).append("\t");
builder.append(deviceInfo).append("\t");
builder.append(version).append("\t");
builder.append(imei).append("\t");
builder.append(app_id).append("\t");
builder.append(code).append("\t");
builder.append(trace).append("\t");
builder.append(timestamp);
context.write(NullWritable.get(), new Text(builder.toString()));
}
}
}