package com.geostar.gfstack.docker.util;

import com.google.gson.JsonObject;

import com.google.gson.JsonParser;

import org.apache.commons.io.IOUtils;

import java.io.*;

import java.net.InetAddress;

/**

 * @author 王睿

 * @date 2019-01-17 10:54

 */

public class LogsFormat {

    public static void main(String[] args) throws IOException {

        if (args.length == 0) {

            System.err.println("请输入第一个参数：日志文件路径");

            return;

        }

        String fileName = args[0];

        InputStream is = LogsFormat.class.getResourceAsStream("/templates/DockerLogsTemplate.html");

        String html = IOUtils.toString(is, "UTF-8");

        File file = new File(fileName);

        String text = IOUtils.toString(new FileInputStream(file), "UTF-8");

        String[] arr = text.split("\n");

        JsonParser parser = new JsonParser();

        String time, log, stream;

        StringBuilder sb = new StringBuilder(1024 * 10);

        for (int i = 0; i < arr.length; i++) {

            try {

                JsonObject jsonObject = parser.parse(arr[i]).getAsJsonObject();

                time = jsonObject.get("time").getAsString();

                log = jsonObject.get("log").getAsString();

                stream = jsonObject.get("stream").getAsString();

                sb.append("<tr");

                if ("stderr".equals(stream)) {

                    sb.append(" class='stderr'");

                }

                sb.append("><td>");

                sb.append(i + 1);

                sb.append("</td><td>");

                sb.append(time);

                sb.append("</td><td>");

                sb.append(log);

                sb.append("</td></tr>");

            } catch (Exception e) {

                e.printStackTrace();

            }

        }

        InetAddress addr = InetAddress.getLocalHost();

        String hostName = addr.getHostName() + "（IP：" + addr.getHostAddress() + "）";

        html = html.replace("<![data]>", sb.toString())

                .replace("<![log-file-path]>", file.getAbsolutePath())

                .replace("<![log-file-host]>", hostName);

        File outFile = new File(file.getPath() + ".html");

        OutputStreamWriter out = new OutputStreamWriter(new FileOutputStream(outFile), "UTF-8");

        out.write(html);

        out.close();

        System.out.println("Docker日志格式化成功，请查看：" + outFile.getAbsoluteFile());

    }

}

<?xml version="1.0" encoding="UTF-8"?>

<project xmlns="http://maven.apache.org/POM/4.0.0"

         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">

    <modelVersion>4.0.0</modelVersion>

    <groupId>geostack</groupId>

    <artifactId>docker-logs-format</artifactId>

    <version>1.0-SNAPSHOT</version>

    <dependencies>

        <dependency>

            <groupId>com.google.code.gson</groupId>

            <artifactId>gson</artifactId>

            <version>2.8.5</version>

        </dependency>

        <dependency>

            <groupId>commons-io</groupId>

            <artifactId>commons-io</artifactId>

            <version>2.6</version>

        </dependency>

    </dependencies>

    <build>

        <plugins>

            <plugin>

                <groupId>org.apache.maven.plugins</groupId>

                <artifactId>maven-assembly-plugin</artifactId>

                <version>3.1.1</version>

                <configuration>

                    <archive>

                        <manifest>

                            <mainClass>com.geostar.gfstack.docker.util.LogsFormat</mainClass>

                        </manifest>

                    </archive>

                    <descriptorRefs>

                        <descriptorRef>jar-with-dependencies</descriptorRef>

                    </descriptorRefs>

                </configuration>

            </plugin>

            <plugin>

                <groupId>org.apache.maven.plugins</groupId>

                <artifactId>maven-compiler-plugin</artifactId>

                <version>3.8.0</version>

                <configuration>

                    <source>1.8</source>

                    <target>1.8</target>

                    <compilerVersion>1.8</compilerVersion>

                    <skip>true</skip>

                    <encoding>UTF-8</encoding>

                </configuration>

            </plugin>

        </plugins>

    </build>

</project>