Checkpoint

Signed-off-by: Georg Pfuetzenreuter <mail@georg-pfuetzenreuter.net>

src/main/java/net/libertacasa/pubsh/web/API.java

@@ -14,13 +14,16 @@ import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RestController;
+import java.util.Random;
 
 @RestController
 public class API {
 	
 	@GetMapping("/hello")
 	public String hello(@RequestParam(value = "name", defaultValue = "World") String name) {
-		return String.format("Hello %s!", name);
+		Random rand = new Random();
+		Integer randomInt = rand.nextInt(100-10);
+		return String.format("Hello %s! Your random number is %s!", name, randomInt);
 	}
 	
 	@DeleteMapping("/backend/container/delete/{id}")

src/main/java/net/libertacasa/pubsh/web/Docker.java

@@ -1,11 +1,15 @@
 package net.libertacasa.pubsh.web;
 
+import java.io.File;
 import java.time.Duration;
 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 com.github.dockerjava.api.DockerClient;
+import com.github.dockerjava.api.command.BuildImageResultCallback;
 import com.github.dockerjava.api.command.InspectExecResponse.Container;
 import com.github.dockerjava.api.command.ListContainersCmd;
 import com.github.dockerjava.api.model.Image;
@@ -77,4 +81,17 @@ public class Docker {
 		dockerClient.removeContainerCmd(id).exec();
 	}
 	
+	public static String buildImage(String targetUser, String osChoice, Integer count) {
+		String dockerfile = "classpath:docker/Dockerfile-" + osChoice;
+		String tag = targetUser + ":sh" + count; 
+		Set<String> tags = new HashSet<String>();
+		tags.add(tag);
+		String imgid = dockerClient.buildImageCmd()
+				.withDockerfile(new File(dockerfile))
+				.withPull(false).withNoCache(false).withTags(tags)
+				.exec(new BuildImageResultCallback()).awaitImageId();
+		
+		return(imgid);
+	}
+
 }

src/main/java/net/libertacasa/pubsh/web/WebApplication.java

@@ -1,6 +1,7 @@
 package net.libertacasa.pubsh.web;
 
 import java.security.Principal;
+import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
 
@@ -21,12 +22,15 @@ import org.springframework.ui.Model;
 import org.springframework.web.bind.annotation.DeleteMapping;
 //import org.springframework.web.bind.annotation.DeleteMapping;
 import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.ModelAttribute;
 //import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.servlet.mvc.support.RedirectAttributes;
 
 import com.github.dockerjava.api.model.Container;
 import com.github.dockerjava.api.model.Image;
+import java.util.Random;
 
 
 @SpringBootApplication
@@ -81,7 +85,17 @@ public class WebApplication {
       //System.out.println(containers);
       
       model.addAttribute("docker_images", images);
-      model.addAttribute("docker_containers", containers);      
+      model.addAttribute("docker_containers", containers);
+      
+      ArrayList<String> availableOs = new ArrayList<String>();
+      availableOs.add("archlinux");
+      availableOs.add("opensuse-leap");
+      availableOs.add("opensuse-tumbleweed");
+      availableOs.add("ubuntu");
+      model.addAttribute("availableOs", availableOs);
+      model.addAttribute("osChoice", new String());
+      
+      
       
       return("portal");
 	}
@@ -104,6 +118,30 @@ public class WebApplication {
 		return("redirect:/portal");
 	}
 	
+	@PostMapping("/frontend/container/add")
+	public static String addContainer(@PathVariable String osChoice, HttpServletRequest request, Model model) {
+	     KeycloakAuthenticationToken principal = (KeycloakAuthenticationToken) request.getUserPrincipal();
+	     String username= null;
+	     String userid = principal.getName();
+	     IDToken token = principal.getAccount().getKeycloakSecurityContext().getIdToken();		
+	     Map<String, Object> customClaims = token.getOtherClaims();
+	     username = String.valueOf(customClaims.get("username"));
+	     
+	     model.addAttribute("osChoice", osChoice);
+	     
+	     
+	     System.out.printf("New container with OS %s requested by %s (%s)", osChoice, userid, username);
+	     
+	     Random rand = new Random();
+	     Integer randomInt = rand.nextInt(9999999-1111);
+	     Integer count = randomInt;
+	     
+	     //Docker.buildImage(username, osChoice, count);
+	     
+	     
+	     return("redirect:/portal");
+	}
+	
 	@GetMapping(path = "/logout")
 	public String logout(HttpServletRequest request) throws ServletException {
 	  request.logout();

src/main/resources/templates/portal.html

@@ -8,14 +8,30 @@
 			Hello, <span th:text="${username}"></span>.
 		</h1>
 		<div th:if="${attribute01 != null}" th:text="${attribute01}"></div>
-		<h2>Docker Images:</h2>
+		<h2>Available Docker Images:</h2>
 		<table>
 		<tr th:each="image: ${docker_images}" th:if="${image.repoTags[0] != '<none>:<none>'}">
 			<td th:text="${image.repoTags[0]}" />
 			<td th:text="${image.created}" />
 		</tr>
 		</table>
-		<h2>Docker Containers:</h2>     	
+		
+		<h2>Generate new throw-away shell:</h2>
+			<select th:field="*{availableOs}" class="form-control" id="osChoice" name="osChoice">
+			    <option value="">Select operating system ...</option>
+			    <option 
+			        th:each="osoption : ${availableOs}" 
+			        th:value="${osoption}" 
+			        th:text="${osoption}"></option>		
+			</select>
+			<form th:object="${osChoice}" id="request_pseudoform" action="#" th:action="@{'/frontend/container/add}" th:method="post" th:os="${osChoice}" th:onsubmit="return confirm('You are about to generate a shell with the OS ' + this.getAttribute('os') + ' - please be patient after you confirm, as the generation may take a short while.');">
+			<button class="btn btn-primary" id="request_submission" type="submit">Generate</button>
+			</form>
+		
+		
+		
+		
+		<h2>Existing Containers:</h2>     	
 		<table>
 		<tr th:each="container: ${docker_containers}">
 		    <td th:text="${container.names[0]}" />
@@ -44,27 +60,9 @@
 		
 		</tr>
 		</table>		
-		
+
-		<!--h4>We are currently running <span th:text="${docker_containercount}"></span> containers.</h4-->
+
-		
+
-		<!--table class="table table-striped">
-			<thead>
-				<tr>
-					<th>ID</th>
-					<th>Name</th>
-					<th>Address</th>
-					<th>Service Rendered</th>
-				</tr>
-			</thead>
-			<tbody>
-				<tr th:each="customer : ${customers}">
-					<td th:text="${customer.id}">Text ...</td>
-					<td th:text="${customer.name}">Text ...</td>
-					<td th:text="${customer.address}">Text ...</td>
-					<td th:text="${customer.serviceRendered}">Text...</td>
-				</tr>
-			</tbody>
-		</table-->
 		<!--div id="pagefoot" th:include="layout :: footerFragment">Footer</div-->
 		<p></p>
 		<a href="/logout">Logout</a>