yl-backend/src/main/java/com/guwan/backend/controller/DockerController.java

package com.guwan.backend.controller;

import com.github.dockerjava.api.command.CreateContainerCmd;
import com.github.dockerjava.api.model.*;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import com.github.dockerjava.api.DockerClient;

import java.io.File;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.Arrays;
import java.util.List;

@RestController
@RequestMapping("/api/common")
public class DockerController {

    private final DockerClient dockerClient;

    @Autowired
    public DockerController(DockerClient dockerClient) {
        this.dockerClient = dockerClient;
    }

    @GetMapping("/docker-info")
    public String getDockerInfo() {
        Info info = dockerClient.infoCmd().exec();  // 获取 Docker 守护进程的信息


        System.out.println("info = " + info);

        return info.toString();  // 将 Docker 信息返回到 HTTP 响应
    }


    /**
     * 获取镜像列表
     *
     * @param
     * @return
     */
    @GetMapping("/imageList")
    public List<Image> imageList() {
        List<Image> imageList = dockerClient.listImagesCmd().withShowAll(true).exec();

        System.out.println("imageList = " + imageList);
        return imageList;
    }


    @GetMapping("/listContainers")
    public List<Container> listContainers() {
        List<Container> exec = dockerClient.listContainersCmd().exec();

        exec.forEach(container ->
                System.out.println("name = " + Arrays.toString(container.getNames())));
        return exec;
    }


    @GetMapping("/create")
    public void create() throws IOException {



        String javaFilePath = "D:\\00_桌面\\demo.java";  // 这里填入 Java 文件路径
        File javaFile = new File(javaFilePath);

        Path localDir = Files.createTempDirectory("docker-java");
        File localJavaFile = new File(localDir.toFile(), "Main.java");
        Files.copy(javaFile.toPath(), localJavaFile.toPath());



        String imageName = "openjdk:8";  // 使用官方 OpenJDK 11 镜像


        HostConfig hostConfig = HostConfig.newHostConfig()
                .withBinds(new Bind(localDir.toString(), new com.github.dockerjava.api.model.Volume("/java")));  // 绑定挂载


        // 启动容器
        String containerId = dockerClient.createContainerCmd(imageName)
                .withCmd("bash", "-c", "javac /java/Main.java && java -cp /java Main && tail -f /dev/null")
                .withHostConfig(hostConfig)
                .withName("java-app-container")
                .exec().getId();

        dockerClient.startContainerCmd(containerId).exec();

        System.out.println("Container started. Check the output in Docker.");

    }




}