From bc6efc5c5103d61c9d13313e41e2344e8baf4b7e Mon Sep 17 00:00:00 2001
From: Georg Pfuetzenreuter
Date: Sat, 7 May 2022 18:37:24 +0200
Subject: Checkpoint: Image deletion interface

Signed-off-by: Georg Pfuetzenreuter <mail@georg-pfuetzenreuter.net>
---
 .../java/net/libertacasa/pubsh/web/Docker.java     | 47 +++++++++++++++++++++-
 1 file changed, 45 insertions(+), 2 deletions(-)

(limited to 'src/main/java/net/libertacasa/pubsh/web/Docker.java')

diff --git a/src/main/java/net/libertacasa/pubsh/web/Docker.java b/src/main/java/net/libertacasa/pubsh/web/Docker.java
index 1460bb3..6912d1b 100644
--- a/src/main/java/net/libertacasa/pubsh/web/Docker.java
+++ b/src/main/java/net/libertacasa/pubsh/web/Docker.java
@@ -1,17 +1,25 @@
 package net.libertacasa.pubsh.web;
 
 import java.io.File;
+import java.nio.file.Path;
 import java.time.Duration;
+import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collection;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
 import java.util.stream.Collectors;
+
+import org.springframework.core.io.ClassPathResource;
+
 import com.github.dockerjava.api.DockerClient;
 import com.github.dockerjava.api.command.BuildImageResultCallback;
+import com.github.dockerjava.api.command.CreateContainerResponse;
 import com.github.dockerjava.api.command.InspectExecResponse.Container;
 import com.github.dockerjava.api.command.ListContainersCmd;
+import com.github.dockerjava.api.command.ListImagesCmd;
+import com.github.dockerjava.api.command.WaitContainerResultCallback;
 import com.github.dockerjava.api.model.Image;
 import com.github.dockerjava.core.DefaultDockerClientConfig;
 import com.github.dockerjava.core.DockerClientConfig;
@@ -82,8 +90,11 @@ public class Docker {
 	}
 	
 	public static String buildImage(String targetUser, String osChoice, Integer count) {
-		String dockerfile = "classpath:docker/Dockerfile-" + osChoice;
-		String tag = targetUser + ":sh" + count; 
+		String dockerfile = "/home/georg/tmp/docker/Dockerfile_" + osChoice;
+		String tag = targetUser + ":sh" + count;
+		if (! new File(dockerfile).exists()) {
+			System.out.printf("\nInvalid Dockerfile: %s\n", dockerfile);
+		}
 		Set<String> tags = new HashSet<String>();
 		tags.add(tag);
 		String imgid = dockerClient.buildImageCmd()
@@ -91,7 +102,39 @@ public class Docker {
 				.withPull(false).withNoCache(false).withTags(tags)
 				.exec(new BuildImageResultCallback()).awaitImageId();
 		
+		System.out.printf("\nBuilt image with ID %s", imgid);
 		return(imgid);
 	}
+	
+	public static void deleteImage(String username, String id) {
+		List<Image> imagequery = Docker.getImages();
+
+		if (imagequery.toString().contains(id)) {
+			System.out.printf("\nFound image ID %s, deleting ...", id);
+			dockerClient.removeImageCmd(id).withImageId(id).exec();
+		}
+		if (! imagequery.toString().contains(id)) {
+			System.out.printf("\nImage ID %s not found.", id);
+		}
+		
+	}
+	
+	public static String createContainer(String imgid) {
+		//String containerid = dockerClient.createContainerCmd(imgid).exec();
+		WaitContainerResultCallback resultCallback = new WaitContainerResultCallback();
+		CreateContainerResponse createContainerResponse = dockerClient.createContainerCmd(imgid).exec();
+		dockerClient.waitContainerCmd(createContainerResponse.getId()).exec(resultCallback);
+		try {
+			resultCallback.awaitCompletion();
+		} catch (InterruptedException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		}
+		String containerid = createContainerResponse.getId();
+		//System.out.println(dockerClient.infoCmd().exec());
+			
+		System.out.printf("\nCreated container with ID %s from image ID %s", containerid, imgid);
+		return(containerid);
+	}
 
 }
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