Initial commit of the backend for the fork of the Moodle Dockerized Test Agent...

Initial commit of the backend for the fork of the Moodle Dockerized Test Agent (MoDTA) from the Moodle Dockerized Test Tool (MoodleDTT)

Dockerfile

+# base image to build a JRE
+FROM amazoncorretto:17.0.3-alpine as corretto-jdk
+
+# required for strip-debug to work
+RUN apk add --no-cache binutils
+
+# Build small JRE image
+RUN $JAVA_HOME/bin/jlink \
+         --verbose \
+         --add-modules ALL-MODULE-PATH \
+         --strip-debug \
+         --no-man-pages \
+         --no-header-files \
+         --compress=2 \
+         --output /customjre
+
+# main app image
+FROM alpine:latest
+
+ENV JAVA_HOME=/jre
+ENV PATH="${JAVA_HOME}/bin:${PATH}"
+ENV SPRING_CONFIG_ADDITIONAL_LOCATION "file:/data/config/"
+
+# copy JRE from the base image
+COPY --from=corretto-jdk /customjre $JAVA_HOME
+
+# Add app user
+ARG APPLICATION_USER=appuser
+RUN adduser --no-create-home -u 1000 -D $APPLICATION_USER
+
+# Prepare environment.
+# Create needed folders
+RUN mkdir /data && \
+    mkdir /data/config && \
+    chown -R $APPLICATION_USER /data
+
+EXPOSE 8080
+
+VOLUME /data
+
+COPY --chown=1000:1000 target/dta-backend.jar app.jar
+
+USER 1000
+
+ENTRYPOINT ["java","-Djava.security.egd=file:/dev/./urandom","-jar","/app.jar"]
\ No newline at end of file

Jenkinsfile

+
+def version = ""
+
+pipeline {
+
+    environment {
+        registry = "hftstuttgart/dtt-backend"
+        registryCredential = 'Dockerhub'
+        dockerImage = ''
+    }
+
+    agent any
+
+    tools {
+        jdk 'Java17'
+        maven 'Maven_Home'
+    }
+
+    stages {
+        stage('prepare') {
+            steps {
+                checkout ([
+                    $class: 'GitSCM',
+                    branches: scm.branches,
+                    extensions: scm.extensions + [[$class: 'CloneOption', noTags: false, reference: '', shallow: false]],
+                    userRemoteConfigs: scm.userRemoteConfigs
+                ])
+                script {
+                    version = sh(script: 'git describe --tags --always', returnStdout: true).trim()
+                    echo sh(script: 'env|sort', returnStdout: true)
+                }
+
+            }
+        }
+
+        stage('compile') {
+            steps {
+                sh "BUILD_NUMBER=${version} mvn clean package"
+            }
+        }
+
+        stage('build Docker image') {
+            steps {
+                script {
+                    dockerImage = docker.build registry
+                }
+            }
+        }
+
+        stage('push development image') {
+            steps {
+                script {
+                    docker.withRegistry( '', registryCredential ) {
+                        dockerImage.push("${env.GIT_BRANCH}")
+                    }
+                }
+            }
+        }
+
+        stage('release') {
+            when {
+                expression { version ==~ /[0-9]+.[0-9]+.[0-9]+/ }
+            }
+            steps {
+                script {
+                    docker.withRegistry( '', registryCredential ) {
+                        dockerImage.push("latest")
+                        dockerImage.push("${version}")
+                    }
+                }
+            }
+        }
+    }
+}

mvnw

+#!/bin/sh
+# ----------------------------------------------------------------------------
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#    https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+# ----------------------------------------------------------------------------
+
+# ----------------------------------------------------------------------------
+# Apache Maven Wrapper startup batch script, version 3.2.0
+#
+# Required ENV vars:
+# ------------------
+#   JAVA_HOME - location of a JDK home dir
+#
+# Optional ENV vars
+# -----------------
+#   MAVEN_OPTS - parameters passed to the Java VM when running Maven
+#     e.g. to debug Maven itself, use
+#       set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
+#   MAVEN_SKIP_RC - flag to disable loading of mavenrc files
+# ----------------------------------------------------------------------------
+
+if [ -z "$MAVEN_SKIP_RC" ] ; then
+
+  if [ -f /usr/local/etc/mavenrc ] ; then
+    . /usr/local/etc/mavenrc
+  fi
+
+  if [ -f /etc/mavenrc ] ; then
+    . /etc/mavenrc
+  fi
+
+  if [ -f "$HOME/.mavenrc" ] ; then
+    . "$HOME/.mavenrc"
+  fi
+
+fi
+
+# OS specific support.  $var _must_ be set to either true or false.
+cygwin=false;
+darwin=false;
+mingw=false
+case "$(uname)" in
+  CYGWIN*) cygwin=true ;;
+  MINGW*) mingw=true;;
+  Darwin*) darwin=true
+    # Use /usr/libexec/java_home if available, otherwise fall back to /Library/Java/Home
+    # See https://developer.apple.com/library/mac/qa/qa1170/_index.html
+    if [ -z "$JAVA_HOME" ]; then
+      if [ -x "/usr/libexec/java_home" ]; then
+        JAVA_HOME="$(/usr/libexec/java_home)"; export JAVA_HOME
+      else
+        JAVA_HOME="/Library/Java/Home"; export JAVA_HOME
+      fi
+    fi
+    ;;
+esac
+
+if [ -z "$JAVA_HOME" ] ; then
+  if [ -r /etc/gentoo-release ] ; then
+    JAVA_HOME=$(java-config --jre-home)
+  fi
+fi
+
+# For Cygwin, ensure paths are in UNIX format before anything is touched
+if $cygwin ; then
+  [ -n "$JAVA_HOME" ] &&
+    JAVA_HOME=$(cygpath --unix "$JAVA_HOME")
+  [ -n "$CLASSPATH" ] &&
+    CLASSPATH=$(cygpath --path --unix "$CLASSPATH")
+fi
+
+# For Mingw, ensure paths are in UNIX format before anything is touched
+if $mingw ; then
+  [ -n "$JAVA_HOME" ] && [ -d "$JAVA_HOME" ] &&
+    JAVA_HOME="$(cd "$JAVA_HOME" || (echo "cannot cd into $JAVA_HOME."; exit 1); pwd)"
+fi
+
+if [ -z "$JAVA_HOME" ]; then
+  javaExecutable="$(which javac)"
+  if [ -n "$javaExecutable" ] && ! [ "$(expr "\"$javaExecutable\"" : '\([^ ]*\)')" = "no" ]; then
+    # readlink(1) is not available as standard on Solaris 10.
+    readLink=$(which readlink)
+    if [ ! "$(expr "$readLink" : '\([^ ]*\)')" = "no" ]; then
+      if $darwin ; then
+        javaHome="$(dirname "\"$javaExecutable\"")"
+        javaExecutable="$(cd "\"$javaHome\"" && pwd -P)/javac"
+      else
+        javaExecutable="$(readlink -f "\"$javaExecutable\"")"
+      fi
+      javaHome="$(dirname "\"$javaExecutable\"")"
+      javaHome=$(expr "$javaHome" : '\(.*\)/bin')
+      JAVA_HOME="$javaHome"
+      export JAVA_HOME
+    fi
+  fi
+fi
+
+if [ -z "$JAVACMD" ] ; then
+  if [ -n "$JAVA_HOME"  ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+      # IBM's JDK on AIX uses strange locations for the executables
+      JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+      JAVACMD="$JAVA_HOME/bin/java"
+    fi
+  else
+    JAVACMD="$(\unset -f command 2>/dev/null; \command -v java)"
+  fi
+fi
+
+if [ ! -x "$JAVACMD" ] ; then
+  echo "Error: JAVA_HOME is not defined correctly." >&2
+  echo "  We cannot execute $JAVACMD" >&2
+  exit 1
+fi
+
+if [ -z "$JAVA_HOME" ] ; then
+  echo "Warning: JAVA_HOME environment variable is not set."
+fi
+
+# traverses directory structure from process work directory to filesystem root
+# first directory with .mvn subdirectory is considered project base directory
+find_maven_basedir() {
+  if [ -z "$1" ]
+  then
+    echo "Path not specified to find_maven_basedir"
+    return 1
+  fi
+
+  basedir="$1"
+  wdir="$1"
+  while [ "$wdir" != '/' ] ; do
+    if [ -d "$wdir"/.mvn ] ; then
+      basedir=$wdir
+      break
+    fi
+    # workaround for JBEAP-8937 (on Solaris 10/Sparc)
+    if [ -d "${wdir}" ]; then
+      wdir=$(cd "$wdir/.." || exit 1; pwd)
+    fi
+    # end of workaround
+  done
+  printf '%s' "$(cd "$basedir" || exit 1; pwd)"
+}
+
+# concatenates all lines of a file
+concat_lines() {
+  if [ -f "$1" ]; then
+    # Remove \r in case we run on Windows within Git Bash
+    # and check out the repository with auto CRLF management
+    # enabled. Otherwise, we may read lines that are delimited with
+    # \r\n and produce $'-Xarg\r' rather than -Xarg due to word
+    # splitting rules.
+    tr -s '\r\n' ' ' < "$1"
+  fi
+}
+
+log() {
+  if [ "$MVNW_VERBOSE" = true ]; then
+    printf '%s\n' "$1"
+  fi
+}
+
+BASE_DIR=$(find_maven_basedir "$(dirname "$0")")
+if [ -z "$BASE_DIR" ]; then
+  exit 1;
+fi
+
+MAVEN_PROJECTBASEDIR=${MAVEN_BASEDIR:-"$BASE_DIR"}; export MAVEN_PROJECTBASEDIR
+log "$MAVEN_PROJECTBASEDIR"
+
+##########################################################################################
+# Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
+# This allows using the maven wrapper in projects that prohibit checking in binary data.
+##########################################################################################
+wrapperJarPath="$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar"
+if [ -r "$wrapperJarPath" ]; then
+    log "Found $wrapperJarPath"
+else
+    log "Couldn't find $wrapperJarPath, downloading it ..."
+
+    if [ -n "$MVNW_REPOURL" ]; then
+      wrapperUrl="$MVNW_REPOURL/org/apache/maven/wrapper/maven-wrapper/3.2.0/maven-wrapper-3.2.0.jar"
+    else
+      wrapperUrl="https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.2.0/maven-wrapper-3.2.0.jar"
+    fi
+    while IFS="=" read -r key value; do
+      # Remove '\r' from value to allow usage on windows as IFS does not consider '\r' as a separator ( considers space, tab, new line ('\n'), and custom '=' )
+      safeValue=$(echo "$value" | tr -d '\r')
+      case "$key" in (wrapperUrl) wrapperUrl="$safeValue"; break ;;
+      esac
+    done < "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.properties"
+    log "Downloading from: $wrapperUrl"
+
+    if $cygwin; then
+      wrapperJarPath=$(cygpath --path --windows "$wrapperJarPath")
+    fi
+
+    if command -v wget > /dev/null; then
+        log "Found wget ... using wget"
+        [ "$MVNW_VERBOSE" = true ] && QUIET="" || QUIET="--quiet"
+        if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then
+            wget $QUIET "$wrapperUrl" -O "$wrapperJarPath" || rm -f "$wrapperJarPath"
+        else
+            wget $QUIET --http-user="$MVNW_USERNAME" --http-password="$MVNW_PASSWORD" "$wrapperUrl" -O "$wrapperJarPath" || rm -f "$wrapperJarPath"
+        fi
+    elif command -v curl > /dev/null; then
+        log "Found curl ... using curl"
+        [ "$MVNW_VERBOSE" = true ] && QUIET="" || QUIET="--silent"
+        if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then
+            curl $QUIET -o "$wrapperJarPath" "$wrapperUrl" -f -L || rm -f "$wrapperJarPath"
+        else
+            curl $QUIET --user "$MVNW_USERNAME:$MVNW_PASSWORD" -o "$wrapperJarPath" "$wrapperUrl" -f -L || rm -f "$wrapperJarPath"
+        fi
+    else
+        log "Falling back to using Java to download"
+        javaSource="$MAVEN_PROJECTBASEDIR/.mvn/wrapper/MavenWrapperDownloader.java"
+        javaClass="$MAVEN_PROJECTBASEDIR/.mvn/wrapper/MavenWrapperDownloader.class"
+        # For Cygwin, switch paths to Windows format before running javac
+        if $cygwin; then
+          javaSource=$(cygpath --path --windows "$javaSource")
+          javaClass=$(cygpath --path --windows "$javaClass")
+        fi
+        if [ -e "$javaSource" ]; then
+            if [ ! -e "$javaClass" ]; then
+                log " - Compiling MavenWrapperDownloader.java ..."
+                ("$JAVA_HOME/bin/javac" "$javaSource")
+            fi
+            if [ -e "$javaClass" ]; then
+                log " - Running MavenWrapperDownloader.java ..."
+                ("$JAVA_HOME/bin/java" -cp .mvn/wrapper MavenWrapperDownloader "$wrapperUrl" "$wrapperJarPath") || rm -f "$wrapperJarPath"
+            fi
+        fi
+    fi
+fi
+##########################################################################################
+# End of extension
+##########################################################################################
+
+# If specified, validate the SHA-256 sum of the Maven wrapper jar file
+wrapperSha256Sum=""
+while IFS="=" read -r key value; do
+  case "$key" in (wrapperSha256Sum) wrapperSha256Sum=$value; break ;;
+  esac
+done < "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.properties"
+if [ -n "$wrapperSha256Sum" ]; then
+  wrapperSha256Result=false
+  if command -v sha256sum > /dev/null; then
+    if echo "$wrapperSha256Sum  $wrapperJarPath" | sha256sum -c > /dev/null 2>&1; then
+      wrapperSha256Result=true
+    fi
+  elif command -v shasum > /dev/null; then
+    if echo "$wrapperSha256Sum  $wrapperJarPath" | shasum -a 256 -c > /dev/null 2>&1; then
+      wrapperSha256Result=true
+    fi
+  else
+    echo "Checksum validation was requested but neither 'sha256sum' or 'shasum' are available."
+    echo "Please install either command, or disable validation by removing 'wrapperSha256Sum' from your maven-wrapper.properties."
+    exit 1
+  fi
+  if [ $wrapperSha256Result = false ]; then
+    echo "Error: Failed to validate Maven wrapper SHA-256, your Maven wrapper might be compromised." >&2
+    echo "Investigate or delete $wrapperJarPath to attempt a clean download." >&2
+    echo "If you updated your Maven version, you need to update the specified wrapperSha256Sum property." >&2
+    exit 1
+  fi
+fi
+
+MAVEN_OPTS="$(concat_lines "$MAVEN_PROJECTBASEDIR/.mvn/jvm.config") $MAVEN_OPTS"
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin; then
+  [ -n "$JAVA_HOME" ] &&
+    JAVA_HOME=$(cygpath --path --windows "$JAVA_HOME")
+  [ -n "$CLASSPATH" ] &&
+    CLASSPATH=$(cygpath --path --windows "$CLASSPATH")
+  [ -n "$MAVEN_PROJECTBASEDIR" ] &&
+    MAVEN_PROJECTBASEDIR=$(cygpath --path --windows "$MAVEN_PROJECTBASEDIR")
+fi
+
+# Provide a "standardized" way to retrieve the CLI args that will
+# work with both Windows and non-Windows executions.
+MAVEN_CMD_LINE_ARGS="$MAVEN_CONFIG $*"
+export MAVEN_CMD_LINE_ARGS
+
+WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
+
+# shellcheck disable=SC2086 # safe args
+exec "$JAVACMD" \
+  $MAVEN_OPTS \
+  $MAVEN_DEBUG_OPTS \
+  -classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \
+  "-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \
+  ${WRAPPER_LAUNCHER} $MAVEN_CONFIG "$@"

mvnw.cmd

+@REM ----------------------------------------------------------------------------
+@REM Licensed to the Apache Software Foundation (ASF) under one
+@REM or more contributor license agreements.  See the NOTICE file
+@REM distributed with this work for additional information
+@REM regarding copyright ownership.  The ASF licenses this file
+@REM to you under the Apache License, Version 2.0 (the
+@REM "License"); you may not use this file except in compliance
+@REM with the License.  You may obtain a copy of the License at
+@REM
+@REM    https://www.apache.org/licenses/LICENSE-2.0
+@REM
+@REM Unless required by applicable law or agreed to in writing,
+@REM software distributed under the License is distributed on an
+@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+@REM KIND, either express or implied.  See the License for the
+@REM specific language governing permissions and limitations
+@REM under the License.
+@REM ----------------------------------------------------------------------------
+
+@REM ----------------------------------------------------------------------------
+@REM Apache Maven Wrapper startup batch script, version 3.2.0
+@REM
+@REM Required ENV vars:
+@REM JAVA_HOME - location of a JDK home dir
+@REM
+@REM Optional ENV vars
+@REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands
+@REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a keystroke before ending
+@REM MAVEN_OPTS - parameters passed to the Java VM when running Maven
+@REM     e.g. to debug Maven itself, use
+@REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
+@REM MAVEN_SKIP_RC - flag to disable loading of mavenrc files
+@REM ----------------------------------------------------------------------------
+
+@REM Begin all REM lines with '@' in case MAVEN_BATCH_ECHO is 'on'
+@echo off
+@REM set title of command window
+title %0
+@REM enable echoing by setting MAVEN_BATCH_ECHO to 'on'
+@if "%MAVEN_BATCH_ECHO%" == "on"  echo %MAVEN_BATCH_ECHO%
+
+@REM set %HOME% to equivalent of $HOME
+if "%HOME%" == "" (set "HOME=%HOMEDRIVE%%HOMEPATH%")
+
+@REM Execute a user defined script before this one
+if not "%MAVEN_SKIP_RC%" == "" goto skipRcPre
+@REM check for pre script, once with legacy .bat ending and once with .cmd ending
+if exist "%USERPROFILE%\mavenrc_pre.bat" call "%USERPROFILE%\mavenrc_pre.bat" %*
+if exist "%USERPROFILE%\mavenrc_pre.cmd" call "%USERPROFILE%\mavenrc_pre.cmd" %*
+:skipRcPre
+
+@setlocal
+
+set ERROR_CODE=0
+
+@REM To isolate internal variables from possible post scripts, we use another setlocal
+@setlocal
+
+@REM ==== START VALIDATION ====
+if not "%JAVA_HOME%" == "" goto OkJHome
+
+echo.
+echo Error: JAVA_HOME not found in your environment. >&2
+echo Please set the JAVA_HOME variable in your environment to match the >&2
+echo location of your Java installation. >&2
+echo.
+goto error
+
+:OkJHome
+if exist "%JAVA_HOME%\bin\java.exe" goto init
+
+echo.
+echo Error: JAVA_HOME is set to an invalid directory. >&2
+echo JAVA_HOME = "%JAVA_HOME%" >&2
+echo Please set the JAVA_HOME variable in your environment to match the >&2
+echo location of your Java installation. >&2
+echo.
+goto error
+
+@REM ==== END VALIDATION ====
+
+:init
+
+@REM Find the project base dir, i.e. the directory that contains the folder ".mvn".
+@REM Fallback to current working directory if not found.
+
+set MAVEN_PROJECTBASEDIR=%MAVEN_BASEDIR%
+IF NOT "%MAVEN_PROJECTBASEDIR%"=="" goto endDetectBaseDir
+
+set EXEC_DIR=%CD%
+set WDIR=%EXEC_DIR%
+:findBaseDir
+IF EXIST "%WDIR%"\.mvn goto baseDirFound
+cd ..
+IF "%WDIR%"=="%CD%" goto baseDirNotFound
+set WDIR=%CD%
+goto findBaseDir
+
+:baseDirFound
+set MAVEN_PROJECTBASEDIR=%WDIR%
+cd "%EXEC_DIR%"
+goto endDetectBaseDir
+
+:baseDirNotFound
+set MAVEN_PROJECTBASEDIR=%EXEC_DIR%
+cd "%EXEC_DIR%"
+
+:endDetectBaseDir
+
+IF NOT EXIST "%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config" goto endReadAdditionalConfig
+
+@setlocal EnableExtensions EnableDelayedExpansion
+for /F "usebackq delims=" %%a in ("%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config") do set JVM_CONFIG_MAVEN_PROPS=!JVM_CONFIG_MAVEN_PROPS! %%a
+@endlocal & set JVM_CONFIG_MAVEN_PROPS=%JVM_CONFIG_MAVEN_PROPS%
+
+:endReadAdditionalConfig
+
+SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe"
+set WRAPPER_JAR="%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.jar"
+set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
+
+set WRAPPER_URL="https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.2.0/maven-wrapper-3.2.0.jar"
+
+FOR /F "usebackq tokens=1,2 delims==" %%A IN ("%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties") DO (
+    IF "%%A"=="wrapperUrl" SET WRAPPER_URL=%%B
+)
+
+@REM Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
+@REM This allows using the maven wrapper in projects that prohibit checking in binary data.
+if exist %WRAPPER_JAR% (
+    if "%MVNW_VERBOSE%" == "true" (
+        echo Found %WRAPPER_JAR%
+    )
+) else (
+    if not "%MVNW_REPOURL%" == "" (
+        SET WRAPPER_URL="%MVNW_REPOURL%/org/apache/maven/wrapper/maven-wrapper/3.2.0/maven-wrapper-3.2.0.jar"
+    )
+    if "%MVNW_VERBOSE%" == "true" (
+        echo Couldn't find %WRAPPER_JAR%, downloading it ...
+        echo Downloading from: %WRAPPER_URL%
+    )
+
+    powershell -Command "&{"^
+		"$webclient = new-object System.Net.WebClient;"^
+		"if (-not ([string]::IsNullOrEmpty('%MVNW_USERNAME%') -and [string]::IsNullOrEmpty('%MVNW_PASSWORD%'))) {"^
+		"$webclient.Credentials = new-object System.Net.NetworkCredential('%MVNW_USERNAME%', '%MVNW_PASSWORD%');"^
+		"}"^
+		"[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; $webclient.DownloadFile('%WRAPPER_URL%', '%WRAPPER_JAR%')"^
+		"}"
+    if "%MVNW_VERBOSE%" == "true" (
+        echo Finished downloading %WRAPPER_JAR%
+    )
+)
+@REM End of extension
+
+@REM If specified, validate the SHA-256 sum of the Maven wrapper jar file
+SET WRAPPER_SHA_256_SUM=""
+FOR /F "usebackq tokens=1,2 delims==" %%A IN ("%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties") DO (
+    IF "%%A"=="wrapperSha256Sum" SET WRAPPER_SHA_256_SUM=%%B
+)
+IF NOT %WRAPPER_SHA_256_SUM%=="" (
+    powershell -Command "&{"^
+       "$hash = (Get-FileHash \"%WRAPPER_JAR%\" -Algorithm SHA256).Hash.ToLower();"^
+       "If('%WRAPPER_SHA_256_SUM%' -ne $hash){"^
+       "  Write-Output 'Error: Failed to validate Maven wrapper SHA-256, your Maven wrapper might be compromised.';"^
+       "  Write-Output 'Investigate or delete %WRAPPER_JAR% to attempt a clean download.';"^
+       "  Write-Output 'If you updated your Maven version, you need to update the specified wrapperSha256Sum property.';"^
+       "  exit 1;"^
+       "}"^
+       "}"
+    if ERRORLEVEL 1 goto error
+)
+
+@REM Provide a "standardized" way to retrieve the CLI args that will
+@REM work with both Windows and non-Windows executions.
+set MAVEN_CMD_LINE_ARGS=%*
+
+%MAVEN_JAVA_EXE% ^
+  %JVM_CONFIG_MAVEN_PROPS% ^
+  %MAVEN_OPTS% ^
+  %MAVEN_DEBUG_OPTS% ^
+  -classpath %WRAPPER_JAR% ^
+  "-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" ^
+  %WRAPPER_LAUNCHER% %MAVEN_CONFIG% %*
+if ERRORLEVEL 1 goto error
+goto end
+
+:error
+set ERROR_CODE=1
+
+:end
+@endlocal & set ERROR_CODE=%ERROR_CODE%
+
+if not "%MAVEN_SKIP_RC%"=="" goto skipRcPost
+@REM check for post script, once with legacy .bat ending and once with .cmd ending
+if exist "%USERPROFILE%\mavenrc_post.bat" call "%USERPROFILE%\mavenrc_post.bat"
+if exist "%USERPROFILE%\mavenrc_post.cmd" call "%USERPROFILE%\mavenrc_post.cmd"
+:skipRcPost
+
+@REM pause the script if MAVEN_BATCH_PAUSE is set to 'on'
+if "%MAVEN_BATCH_PAUSE%"=="on" pause
+
+if "%MAVEN_TERMINATE_CMD%"=="on" exit %ERROR_CODE%
+
+cmd /C exit /B %ERROR_CODE%

pom.xml

+<?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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<parent>
+		<groupId>org.springframework.boot</groupId>
+		<artifactId>spring-boot-starter-parent</artifactId>
+		<version>3.1.4</version>
+		<relativePath/> <!-- lookup parent from repository -->
+	</parent>
+	<groupId>de.hftstuttgart</groupId>
+	<artifactId>dta-backend</artifactId>
+	<version>${buildNumber}</version>
+	<name>dta-backend</name>
+	<description>Dockerized test agent for moodle</description>
+	
+	<properties>
+		<java.version>17</java.version>
+	</properties>
+	
+	<profiles>
+        <profile>
+            <id>ci</id>
+            <activation>
+                <property><name>env.BUILD_NUMBER</name></property>
+            </activation>
+            <properties>
+                <buildNumber>${env.BUILD_NUMBER}</buildNumber>
+            </properties>
+        </profile>
+    </profiles>
+    
+	<dependencies>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-web</artifactId>
+			<exclusions>
+    			<exclusion>
+      				<groupId>org.springframework.boot</groupId>
+      				<artifactId>spring-boot-starter-logging</artifactId>
+    			</exclusion>
+  			</exclusions>
+		</dependency>
+
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-docker-compose</artifactId>
+			<scope>runtime</scope>
+			<optional>true</optional>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-test</artifactId>
+			<scope>test</scope>
+		</dependency>
+		
+		<!-- https://mvnrepository.com/artifact/org.springframework.boot/spring-boot-starter-log4j2 -->
+		<!--dependency>
+    		<groupId>org.springframework.boot</groupId>
+    		<artifactId>spring-boot-starter-log4j2</artifactId>
+    		<version>3.1.4</version>
+		</dependency-->
+		<!--dependency>
+            <groupId>log4j</groupId>
+            <artifactId>log4j</artifactId>
+            <version>1.2.17</version>
+        </dependency-->
+        <!--dependency>
+            <groupId>org.apache.logging.log4j</groupId>
+            <artifactId>log4j-api</artifactId>
+            <version>2.11.2</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.logging.log4j</groupId>
+            <artifactId>log4j-core</artifactId>
+            <version>2.11.2</version>
+        </dependency-->
+        <!-- https://mvnrepository.com/artifact/org.apache.logging.log4j/log4j-core -->
+		<dependency>
+      		<groupId>org.apache.logging.log4j</groupId>
+      		<artifactId>log4j-bom</artifactId>
+      		<version>2.20.0</version>
+      		<scope>compile</scope>
+      		<type>pom</type>
+    	</dependency>
+    	<dependency>
+            <groupId>org.apache.logging.log4j</groupId>
+            <artifactId>log4j-api</artifactId>
+        </dependency>
+        <dependency>
+    		<groupId>org.apache.logging.log4j</groupId>
+    		<artifactId>log4j-core</artifactId>
+		</dependency>
+		
+		<!-- https://mvnrepository.com/artifact/jakarta.servlet/jakarta.servlet-api -->
+		<dependency>
+    		<groupId>jakarta.servlet</groupId>
+    		<artifactId>jakarta.servlet-api</artifactId>
+    		<version>6.0.0</version>
+    		<scope>provided</scope>
+		</dependency>
+		
+		<!-- check if received multipart file is text or zip file -->
+        <dependency>
+            <groupId>org.apache.tika</groupId>
+            <artifactId>tika-core</artifactId>
+            <version>1.25</version>
+        </dependency>
+		
+        <!-- https://mvnrepository.com/artifact/com.github.docker-java/docker-java -->
+		<dependency>
+    		<groupId>com.github.docker-java</groupId>
+    		<artifactId>docker-java-core</artifactId>
+    		<version>3.3.3</version>
+		</dependency>
+		<dependency>
+            <groupId>com.github.docker-java</groupId>
+            <artifactId>docker-java-transport-httpclient5</artifactId>
+            <version>3.3.3</version>
+        </dependency>
+        <!--dependency>
+            <groupId>com.github.docker-java</groupId>
+            <artifactId>docker-java-core</artifactId>
+            <version>3.2.6</version>
+        </dependency>
+        <dependency>
+            <groupId>com.github.docker-java</groupId>
+            <artifactId>docker-java-transport-httpclient5</artifactId>
+            <version>3.2.6</version>
+        </dependency-->
+        
+        <!-- https://mvnrepository.com/artifact/org.eclipse.jgit/org.eclipse.jgit -->
+		<dependency>
+    		<groupId>org.eclipse.jgit</groupId>
+    		<artifactId>org.eclipse.jgit</artifactId>
+    		<version>6.7.0.202309050840-r</version>
+		</dependency>
+        
+        <!-- https://mvnrepository.com/artifact/org.eclipse.jgit/org.eclipse.jgit -->
+        <!--dependency>
+            <groupId>org.eclipse.jgit</groupId>
+            <artifactId>org.eclipse.jgit</artifactId>
+            <version>5.10.0.202012080955-r</version>
+        </dependency-->
+        
+        <dependency>
+            <groupId>de.hftstuttgart</groupId>
+            <artifactId>unified-ticketing</artifactId>
+            <version>0.2.2</version>
+        </dependency>
+        <!-- somehow for unified-ticketing maven downloads a 3.x version, even though 4.11.0 is set on unified-ticketing pom -->
+        <dependency>
+            <groupId>com.squareup.okhttp3</groupId>
+            <artifactId>okhttp</artifactId>
+            <version>4.11.0</version>
+        </dependency>
+        
+	</dependencies>
+
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>org.springframework.boot</groupId>
+				<artifactId>spring-boot-maven-plugin</artifactId>
+			</plugin>
+		</plugins>
+	</build>
+
+</project>

src/main/java/de/hftstuttgart/dtabackend/DtaBackendApplication.java

+package de.hftstuttgart.dtabackend;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class DtaBackendApplication {
+
+	public static void main(String[] args) {
+		SpringApplication.run(DtaBackendApplication.class, args);
+	}
+
+}

src/main/java/de/hftstuttgart/dtabackend/models/Result.java

+package de.hftstuttgart.dtabackend.models;
+
+public class Result
+{
+    public String name;
+    public int state;
+
+    public String failureType;
+    public String failureReason;
+    public String stacktrace;
+
+    public int columnNumber;
+    public int lineNumber;
+    public int position;
+
+    public static enum State
+    {
+        UNKNOWN,
+        SUCCESS,
+        FAILURE,
+        COMPILATIONERROR,
+    }
+}

src/main/java/de/hftstuttgart/dtabackend/models/ResultSummary.java

+package de.hftstuttgart.dtabackend.models;
+
+import java.util.HashSet;
+import java.util.Set;
+
+public class ResultSummary
+{
+    public long timestamp               = System.currentTimeMillis() / 1000;
+    public String globalStacktrace      = null;
+    public Set<Result> results   = new HashSet<>();
+}

src/main/java/de/hftstuttgart/dtabackend/rest/v1/task/TaskUpload.java

+package de.hftstuttgart.dtabackend.rest.v1.task;
+
+import de.hftstuttgart.dtabackend.utils.*;
+import de.hftstuttgart.dtabackend.models.ResultSummary;
+
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+import org.apache.tika.Tika;
+import org.springframework.core.env.Environment;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestMethod;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.multipart.MultipartFile;
+
+import java.io.*;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.regex.Matcher;
+import jakarta.servlet.annotation.MultipartConfig;
+
+/**
+ * Rest controller for everything related to the TASK files
+ */
+@RestController
+@RequestMapping("/v1/task")
+@MultipartConfig
+public class TaskUpload {
+    private static final Logger LOG = LogManager.getLogger(TaskUpload.class);
+
+    private final JGitUtil jGitUtil;
+    private final Path testTmpPath;
+    private final ExecuteTestUtil executeTestUtil;
+
+    public TaskUpload(
+        Environment env,
+        JGitUtil jGitUtil,
+        ExecuteTestUtil executeTestUtil
+    ) {
+        this.jGitUtil = jGitUtil;
+        this.executeTestUtil = executeTestUtil;
+
+        // set path of temporary directory on host and inside our container
+        this.testTmpPath = Paths.get(env.getProperty("tests.tmp.dir"));
+    }
+
+    @RequestMapping(method = RequestMethod.POST)
+    public ResultSummary uploadAndTestFile(@RequestParam("taskFile") MultipartFile taskFileRef,
+                                           @RequestParam("assignmentId") String assignmentId
+    ) throws IOException, InterruptedException {
+        LOG.info("submission for testing received");
+
+        LOG.debug("creating new temporary directory");
+        Path workDirectory = Files.createTempDirectory(testTmpPath, "dtt");
+        LOG.debug(String.format("working dir for test is: %s", workDirectory.toAbsolutePath().toString()));
+
+        // define paths for the test, the submission and where the result is to be expected afterwards
+        Path srcPath    = Paths.get(workDirectory.toAbsolutePath().toString(), "src");
+
+        String mimeInfo = new Tika().detect(taskFileRef.getInputStream());
+        switch (mimeInfo) {
+            case "text/plain":
+                LOG.debug("textfile uploaded, searching for dtt config");
+                // find URI in config file
+                Matcher config = RegexUtil.findStudentConfig(taskFileRef.getInputStream());
+
+                LOG.debug("calling repo clone");
+                jGitUtil.cloneRepository(config, srcPath.toAbsolutePath().toString());
+                break;
+
+            case "application/zip":
+                LOG.debug("zip archive uploaded, extracting content as student submission");
+                ArchiveUtil.extractProjectFromZip(taskFileRef.getInputStream(), srcPath.toAbsolutePath());
+                break;
+
+            default:
+                String msg = String.format("couldn't process uploaded file with mime type %s", mimeInfo);
+                LOG.error(msg);
+                throw new RuntimeException(msg);
+        }
+
+        // run test
+        LOG.debug("calling test execution");
+        ResultSummary resultSummary = executeTestUtil.runTests(assignmentId, workDirectory);
+
+        if (mimeInfo.equals("text/plain")) {
+            LOG.info("check for provided Ticketsystem information");
+            UnifiedTicketingUtil.reportResults(taskFileRef.getInputStream(), resultSummary);
+        }
+
+        LOG.info("submission tested successfully");
+        return resultSummary;
+    }
+}

src/main/java/de/hftstuttgart/dtabackend/rest/v1/unittest/UnitTestUpload.java

+package de.hftstuttgart.dtabackend.rest.v1.unittest;
+
+import de.hftstuttgart.dtabackend.utils.JGitUtil;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+import org.springframework.core.env.Environment;
+import org.springframework.util.FileSystemUtils;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestMethod;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.multipart.MultipartFile;
+
+import jakarta.servlet.annotation.MultipartConfig;
+
+import java.io.*;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+/**
+ * Rest controller for anything related to the TEST files.
+ */
+@RestController
+@RequestMapping("/v1/unittest")
+@MultipartConfig
+public class UnitTestUpload {
+
+    private static final Logger LOG = LogManager.getLogger(UnitTestUpload.class);
+    public final static String TESTCONFIGREGEX = "^dtt::(.*)::(.*|none)::(.*|none)::(.*)$";
+    public final static String SUBMISSIONCONFIGREGEX = "^dtt::(.*)::(.*|none)::(.*|none)$";
+
+    private final JGitUtil jGitUtil;
+    private final String assignmentBasePath;
+
+    public UnitTestUpload(Environment env, JGitUtil jGitUtil) {
+        this.jGitUtil = jGitUtil;
+
+        Path p = Paths.get(env.getProperty("data.dir"), env.getProperty("data.dir.test.folder.name"));
+        this.assignmentBasePath = p.toAbsolutePath().toString();
+    }
+
+    /**
+     * Create a subfolder for the specific assignment.
+     * This is called when the teacher creates an assignment and uploads the JUnit test files
+     *
+     * @param unitTestFileRef The text file which contains the JUnit tests meta data
+     * @param assignmentId    ID of the created assignment. Generated by Moodle
+     */
+    @RequestMapping(method = RequestMethod.POST)
+    public void uploadUnitTestFile(
+        @RequestParam("unitTestFile") MultipartFile unitTestFileRef,
+        @RequestParam("assignmentId") String assignmentId
+    ) throws IOException {
+        LOG.info("received new assignment");
+
+        File file = Paths.get(
+                this.assignmentBasePath,
+                assignmentId + ".txt")
+            .toFile();
+        file.mkdirs();
+
+        // save assignment config
+        unitTestFileRef.transferTo(file);
+        LOG.debug(String.format("saved config file to: %s", file.getAbsolutePath()));
+
+        Pattern pattern = Pattern.compile(this.TESTCONFIGREGEX);
+        Matcher config = null;
+
+        LOG.debug("reading test configuration file");
+        // open saved config in a try-with
+        try (BufferedReader br = new BufferedReader(
+            new InputStreamReader(
+                new FileInputStream(file)))) {
+            String line;
+
+            // search for a URI while none is found and there are lines left
+            while (config == null && (line = br.readLine()) != null) {
+                Matcher matcher = pattern.matcher(line);
+                if (matcher.matches()) {
+                    LOG.debug(String.format("found dtt test line: %s", line));
+                    config = matcher;
+                }
+            }
+        } catch (IOException e) {
+            LOG.error("Error while reading repo config", e);
+        }
+        finally {
+            if (config == null) {
+                throw new RuntimeException("couldn't find repo config for unittest clone");
+            }
+        }
+
+        LOG.debug("calling test repo clone");
+        // cloning assignment repo to persistent space
+        jGitUtil.cloneRepository(
+            config,
+            Paths.get(this.assignmentBasePath, assignmentId).toAbsolutePath().toString());
+
+        LOG.info(String.format("stored new assignment: %s", file.getAbsolutePath()));
+    }
+
+    /**
+     * Delete the folder for the assignment.
+     * Called when the teacher deletes the JUnitTest assignment
+     * <p>
+     * {{url}}:8080/v1/unittest?assignmentId=111
+     *
+     * @param assignmentId ID of the assignment to delete. Generated by Moodle
+     */
+    @RequestMapping(method = RequestMethod.DELETE)
+    public void deleteUnitTestFiles(@RequestParam("assignmentId") String assignmentId) {
+        LOG.info(String.format("received deletion order for assignment %s", assignmentId));
+
+        // deleting config file
+        File file = Paths.get(
+            this.assignmentBasePath,
+            assignmentId + ".txt")
+            .toFile();
+        file.delete();
+
+        // deleting local copy of repository
+        file = Paths.get(
+            this.assignmentBasePath,
+            assignmentId).toFile();
+        FileSystemUtils.deleteRecursively(file);
+
+        LOG.info(String.format("assignment %s deletion complete", assignmentId));
+    }
+}

src/main/java/de/hftstuttgart/dtabackend/utils/ArchiveUtil.java

+package de.hftstuttgart.dtabackend.utils;
+
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+
+import java.io.*;
+import java.nio.file.Path;
+import java.util.zip.ZipEntry;
+import java.util.zip.ZipInputStream;
+
+public class ArchiveUtil
+{
+    private static final Logger LOG = LogManager.getLogger(ArchiveUtil.class);
+
+    public static void extractProjectFromZip (InputStream is, Path outDir) throws IOException
+    {
+        LOG.info(String.format("starting archive extraction to %s", outDir.toAbsolutePath().toString()));
+        try (ZipInputStream stream = new ZipInputStream(is)) {
+
+            ZipEntry entry;
+            while ((entry = stream.getNextEntry()) != null) {
+                File file = outDir.resolve(entry.getName()).toFile();
+                LOG.debug(String.format("processing entry %s", file.getAbsolutePath()));
+
+                if (!entry.isDirectory()) {
+                    LOG.debug("creating parent folders");
+                    file.getParentFile().mkdirs();
+
+                    LOG.debug("creating new file");
+                    file.createNewFile();
+
+                    byte[] buffer = new byte[2048];
+                    try (FileOutputStream fos = new FileOutputStream(file);
+                         BufferedOutputStream bos = new BufferedOutputStream(fos, buffer.length)) {
+
+                        LOG.debug("writing content from zip entry to file");
+                        int len;
+                        while ((len = stream.read(buffer)) > 0) {
+                            bos.write(buffer, 0, len);
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+}

src/main/java/de/hftstuttgart/dtabackend/utils/DockerUtil.java

+package de.hftstuttgart.dtabackend.utils;
+
+import com.github.dockerjava.api.DockerClient;
+import com.github.dockerjava.api.command.CreateContainerResponse;
+import com.github.dockerjava.api.exception.DockerException;
+import com.github.dockerjava.api.model.Bind;
+import com.github.dockerjava.api.model.HostConfig;
+import com.github.dockerjava.core.DefaultDockerClientConfig;
+import com.github.dockerjava.core.DockerClientConfig;
+import com.github.dockerjava.core.DockerClientImpl;
+import com.github.dockerjava.httpclient5.ApacheDockerHttpClient;
+import com.github.dockerjava.transport.DockerHttpClient;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+import org.springframework.core.env.Environment;
+import org.springframework.stereotype.Component;
+
+import java.io.IOException;
+
+@Component
+public class DockerUtil {
+    private static final Logger LOG = LogManager.getLogger(DockerUtil.class);
+
+    private DockerClient dockerClient;
+
+    public DockerUtil(Environment env) {
+        LOG.info("initializing Docker tools");
+        LOG.debug("create docker client config");
+        DockerClientConfig dockerClientConfig = DefaultDockerClientConfig.createDefaultConfigBuilder().build();
+
+        LOG.debug("create docker http client");
+        DockerHttpClient httpClient = new ApacheDockerHttpClient.Builder()
+            .dockerHost(dockerClientConfig.getDockerHost())
+            .sslConfig(dockerClientConfig.getSSLConfig())
+            .build();
+
+        LOG.debug("create docker client");
+        dockerClient = DockerClientImpl.getInstance(dockerClientConfig, httpClient);
+    }
+
+    public int runContainer(String image, Bind... binds) throws InterruptedException, IOException
+    {
+        LOG.debug(String.format("pull image: %s", image));
+        try {
+            dockerClient.pullImageCmd(image)
+                .start()
+                .awaitCompletion()
+                .close();
+        } catch (DockerException e) {
+            LOG.error(String.format(
+                "pulling docker image %s failed with %s, trying with local image",
+                image,
+                e.getMessage()));
+        }
+
+        LOG.debug("creating container");
+        CreateContainerResponse containerResponse;
+        try {
+            containerResponse = dockerClient.createContainerCmd("testcontainer")
+                .withImage(image)
+                .withHostConfig(
+                    HostConfig.newHostConfig()
+                        .withBinds(binds))
+                .exec();
+        } catch (DockerException e) {
+            LOG.error(String.format(
+                "Creating Docker Testrunner container failed with %s", e.getMessage()));
+            throw e;
+        }
+
+        LOG.debug(String.format("container created: %s", containerResponse.getId()));
+
+        LOG.debug(String.format("starting container %s", containerResponse.getId()));
+        dockerClient.startContainerCmd(containerResponse.getId()).exec();
+
+        LOG.debug(String.format("waiting for completion of container %s", containerResponse.getId()));
+        int ret = dockerClient
+            .waitContainerCmd(containerResponse.getId())
+            .start()
+            .awaitCompletion()
+            .awaitStatusCode();
+        LOG.debug(String.format("container completed with status %d", ret));
+
+        LOG.debug(String.format("deleting container %s", containerResponse.getId()));
+        dockerClient.removeContainerCmd(containerResponse.getId())
+            .withRemoveVolumes(true)
+            .exec();
+
+        return ret;
+    }
+}

src/main/java/de/hftstuttgart/dtabackend/utils/ExecuteTestUtil.java

+package de.hftstuttgart.dtabackend.utils;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.github.dockerjava.api.model.Bind;
+import com.github.dockerjava.api.model.Volume;
+import de.hftstuttgart.dtabackend.models.ResultSummary;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+import org.springframework.core.env.Environment;
+import org.springframework.stereotype.Component;
+
+import java.io.*;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.regex.Matcher;
+
+@Component
+public class ExecuteTestUtil  {
+    private static final Logger LOG = LogManager.getLogger(ExecuteTestUtil.class);
+
+    private final JGitUtil jGitUtil;
+    private final DockerUtil dockerUtil;
+    private final String assignmentBasePath;
+    private final Path testTmpPathHost;
+    private final Path testTmpPath;
+
+    public ExecuteTestUtil(
+        Environment env,
+        JGitUtil jGitUtil,
+        DockerUtil dockerUtil
+    ) {
+        this.jGitUtil = jGitUtil;
+        this.dockerUtil = dockerUtil;
+
+        // set base path for assignments to be stored
+        Path p = Paths.get(
+            env.getProperty("data.dir"),
+            env.getProperty("data.dir.test.folder.name"));
+        this.assignmentBasePath = p.toAbsolutePath().toString();
+
+        // set path of temporary directory on host and inside our container
+        this.testTmpPathHost = Paths.get(env.getProperty("host.tests.tmp.dir"));
+        this.testTmpPath = Paths.get(env.getProperty("tests.tmp.dir"));
+    }
+
+    public ResultSummary runTests(String assignmentId, Path workDirectory) throws IOException, InterruptedException {
+
+        // define paths for the test, the submission and where the result is to be expected afterwards
+        Path testPath   = Paths.get(workDirectory.toAbsolutePath().toString(), "/test");
+        Path srcPath    = Paths.get(workDirectory.toAbsolutePath().toString(), "/src");
+        Path resultPath = Paths.get(workDirectory.toAbsolutePath().toString(), "/result");
+
+        // clone stored test to tmpdir
+        LOG.debug("copying pre-downloaded unitttest repo");
+        FileUtil.copyFolder(
+            Paths.get(
+                assignmentBasePath,
+                assignmentId
+            ),
+            testPath
+        );
+
+        LOG.debug("copy test config");
+        Files.copy(
+            Paths.get(
+                assignmentBasePath,
+                assignmentId + ".txt"
+            ),
+            Paths.get(
+                workDirectory.toAbsolutePath().toString(),
+                "config.txt"
+            )
+        );
+
+        Files.createDirectory(resultPath);
+
+        LOG.info("reading test config");
+        Matcher config = RegexUtil.findProfessorConfig(
+            new FileInputStream(Paths.get(workDirectory.toAbsolutePath().toString(), "config.txt").toFile()));
+
+        // define the paths to mount as Binds from Host to the test-container
+        Path testPathHost = Paths.get(
+            testTmpPathHost.toAbsolutePath().toString(),
+            workDirectory.getName(workDirectory.getNameCount()-1).toString(),
+            testPath.getName(testPath.getNameCount()-1).toString()
+        );
+        Path srcPathHost = Paths.get(
+            testTmpPathHost.toAbsolutePath().toString(),
+            workDirectory.getName(workDirectory.getNameCount()-1).toString(),
+            srcPath.getName(srcPath.getNameCount()-1).toString()
+        );
+        Path resultPathHost = Paths.get(
+            testTmpPathHost.toAbsolutePath().toString(),
+            workDirectory.getName(workDirectory.getNameCount()-1).toString(),
+            resultPath.getName(resultPath.getNameCount()-1).toString()
+        );
+
+        // start test-container with professor given image and bind mounts for test, submission and result
+        dockerUtil.runContainer(
+            config.group(4),
+            new Bind(testPathHost.toAbsolutePath().toString(), new Volume("/data/test")),
+            new Bind(srcPathHost.toAbsolutePath().toString(), new Volume("/data/src")),
+            new Bind(resultPathHost.toAbsolutePath().toString(), new Volume("/data/result"))
+        );
+
+        // define expected result file
+        File resultFile = Paths.get(resultPath.toAbsolutePath().toString(), "result.json").toFile();
+
+        // check if result file is there
+        if (!resultFile.exists() || !resultFile.isFile()) {
+            LOG.error(String.format("couln't find result file in %s", resultFile.getAbsolutePath()));
+            throw new RuntimeException("no resultfile found");
+        }
+
+        LOG.debug("parse results json");
+        ObjectMapper objectMapper = new ObjectMapper();
+        ResultSummary resultSummary = objectMapper.readValue(
+            resultFile.toURI().toURL(),
+            ResultSummary.class);
+
+        return resultSummary;
+    }
+}

src/main/java/de/hftstuttgart/dtabackend/utils/FileUtil.java

+package de.hftstuttgart.dtabackend.utils;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+
+/**
+ * Helper Class for all file related tasks.
+ *
+ * Created by Marcel Bochtler on 05.01.17.
+ */
+public class FileUtil {
+
+    /**
+     * Delete the folder and all containing files.
+     * @param folder    Folder to delete
+     */
+    public static void deleteFolderRecursively(File folder) {
+        File[] files = folder.listFiles();
+        if (files != null) {
+            for (File f : files) {
+                if (f.isDirectory()) {
+                    deleteFolderRecursively(f);
+                } else {
+                    f.delete();
+                }
+            }
+        }
+        folder.delete();
+    }
+
+    public static void copyFolder(Path src, Path dst) throws IOException {
+        Files.walk(src)
+            .forEach(source -> {
+                try {
+                    Files.copy(source, dst.resolve(src.relativize(source)));
+                } catch (IOException e) {
+                    throw new RuntimeException(e.getMessage(), e);
+                }
+            });
+    }
+}

src/main/java/de/hftstuttgart/dtabackend/utils/JGitUtil.java

+package de.hftstuttgart.dtabackend.utils;
+
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+import org.eclipse.jgit.api.CloneCommand;
+import org.eclipse.jgit.api.Git;
+import org.eclipse.jgit.api.errors.GitAPIException;
+import org.eclipse.jgit.transport.UsernamePasswordCredentialsProvider;
+import org.springframework.stereotype.Component;
+import org.springframework.util.FileSystemUtils;
+
+import java.io.File;
+import java.util.regex.Matcher;
+
+@Component
+public class JGitUtil {
+
+    private static final Logger LOG = LogManager.getLogger(JGitUtil.class);
+
+    public JGitUtil() {}
+
+    public void cloneRepository(Matcher config, String targetPath) {
+        LOG.debug(String.format("cloning repository: %s", config.group(1)));
+
+        File targetDirectory = new File(targetPath);
+        if (targetDirectory.exists()) {
+            LOG.debug("clone target directory existing yet, deleting now");
+            FileSystemUtils.deleteRecursively(targetDirectory);
+        }
+
+        try {
+            LOG.debug("preparing clone");
+            CloneCommand cloneCommand = Git.cloneRepository()
+                .setDirectory(targetDirectory)
+                .setURI(config.group(1));
+
+            if (!config.group(2).equals("none") && !config.group(3).equals("none")) {
+                LOG.debug("setting credentials");
+                cloneCommand.setCredentialsProvider(
+                    new UsernamePasswordCredentialsProvider(config.group(2), config.group(3)));
+            }
+
+            LOG.debug("cloning...");
+            cloneCommand.call()
+                .close();
+        }
+        catch (GitAPIException e) {
+            LOG.error(String.format("Error while cloning from %s", config.group(1)), e);
+        }
+
+        LOG.debug(String.format("cloned from %s to %s", config.group(1), targetDirectory));
+    }
+}

src/main/java/de/hftstuttgart/dtabackend/utils/RegexUtil.java

+package de.hftstuttgart.dtabackend.utils;
+
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+
+import de.hftstuttgart.dtabackend.rest.v1.unittest.UnitTestUpload;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+public class RegexUtil {
+
+    public enum ConfigType {
+        PROFESSOR,
+        STUDENT,
+    }
+
+    private static final Logger LOG = LogManager.getLogger(RegexUtil.class);
+
+    public static Matcher findStudentConfig(InputStream is) {
+        return findConfig(is, ConfigType.STUDENT);
+    }
+
+    public static Matcher findProfessorConfig(InputStream is) {
+        return findConfig(is, ConfigType.PROFESSOR);
+    }
+
+    public static Matcher findConfig(InputStream is, ConfigType configType) {
+        Pattern pattern;
+        switch (configType) {
+            case PROFESSOR:
+                pattern = Pattern.compile(UnitTestUpload.TESTCONFIGREGEX);
+                break;
+
+            case STUDENT:
+                pattern = Pattern.compile(UnitTestUpload.SUBMISSIONCONFIGREGEX);
+                break;
+
+            default:
+                String msg = String.format("unknown config type: %s", configType.name());
+                LOG.error(msg);
+                throw new RuntimeException(msg);
+        }
+
+        Matcher config = null;
+
+        LOG.debug("reading config file");
+        // open received file in a try-with
+        try (BufferedReader br = new BufferedReader(
+            new InputStreamReader(
+                is))) {
+            String line;
+
+            // as long as we haven't found a configuration and have lines left, search
+            while (config == null && (line = br.readLine()) != null) {
+                Matcher matcher = pattern.matcher(line);
+                if (matcher.matches()) {
+                    LOG.debug(String.format("found dtt line: %s", line));
+                    config = matcher;
+                }
+            }
+        } catch (IOException e) {
+            LOG.error("Error while reading repo config", e);
+        }
+        finally {
+            if (config == null) {
+                throw new RuntimeException("couldn't find repo config for clone");
+            }
+        }
+
+        return config;
+    }
+
+}

src/main/java/de/hftstuttgart/dtabackend/utils/UnifiedTicketingUtil.java

+package de.hftstuttgart.dtabackend.utils;
+
+import de.hftstuttgart.dtabackend.models.Result;
+import de.hftstuttgart.dtabackend.models.ResultSummary;
+import de.hftstuttgart.unifiedticketing.core.Filter;
+import de.hftstuttgart.unifiedticketing.core.Ticket;
+import de.hftstuttgart.unifiedticketing.core.TicketBuilder;
+import de.hftstuttgart.unifiedticketing.core.TicketSystem;
+import de.hftstuttgart.unifiedticketing.exceptions.UnifiedticketingException;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.nio.charset.StandardCharsets;
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+
+public class UnifiedTicketingUtil {
+
+    private final static Logger LOG = LogManager.getLogger(UnifiedTicketingUtil.class);
+
+    private final static String LABEL = "DTT created";
+    private final static String TITLE = " | " + LABEL;
+
+    public static String createTicketDescriptionFromResult(TicketSystem ts, Result result, boolean compilationError) {
+        StringBuilder sb = new StringBuilder();
+
+        // heading
+        if (compilationError) {
+            sb.append(String.format("# %s is not compilable", result.name));
+        } else {
+            sb.append(String.format("# Unittest for %s fails", result.name));
+        }
+
+        sb.append("\n\n");
+
+        // meta data table
+        sb.append("|||\n");
+        sb.append("|:-|:-|\n");
+
+        if (compilationError) {
+            sb.append(String.format("|File|`%s`|\n", result.name));
+        } else {
+            sb.append(String.format("|Test|`%s`|\n", result.name));
+        }
+        sb.append(String.format("|Reason|`%s`|\n", result.failureReason));
+
+        if (compilationError) {
+            sb.append(String.format("|Line|`%s`|\n", result.lineNumber));
+            sb.append(String.format("|Column|`%s`|\n", result.columnNumber));
+            sb.append(String.format("|Position|`%s`|\n", result.position));
+        } else {
+            sb.append(String.format("|Type|`%s`|\n", result.failureType));
+        }
+
+        sb.append("\n\n");
+
+        // stacktrace
+        sb.append("<details>\n\n");
+        sb.append("<summary>show stacktrace</summary>\n\n");
+        sb.append("```");
+        sb.append(result.stacktrace);
+        sb.append("\n```");
+        sb.append("\n\n</details>\n");
+
+        return sb.toString();
+    }
+
+    public static String createTicketTitleFromResult(TicketSystem ts, Result result, boolean compilationError) {
+        StringBuilder sb = new StringBuilder();
+        String separator = " | ";
+
+        if (compilationError) sb.append("compilation fails");
+        else sb.append("test method fails");
+        sb.append(separator);
+
+        sb.append(result.name);
+
+        if (!compilationError) {
+            sb.append(separator);
+            sb.append(result.failureReason);
+        }
+
+        // if label-support is not present, place global identifier into title
+        if (!ts.hasLabelSupport()) sb.append(TITLE);
+
+        sb.append(separator);
+        sb.append(getHashForFailure(result));
+
+        return sb.toString();
+    }
+
+    public static Ticket createTicketFromResult(TicketSystem ts, Result result, boolean compilationError) {
+        TicketBuilder tb = ts.createTicket()
+            .title(createTicketTitleFromResult(ts, result, compilationError))
+            .description(createTicketDescriptionFromResult(ts, result, compilationError));
+
+        if (ts.hasLabelSupport()) tb.labels(Collections.singleton(LABEL));
+
+        return tb.create();
+    }
+
+    public static Set<Ticket> fetchExistingTickets(TicketSystem ts) {
+        Set<Ticket> ret = new HashSet<>();
+        Filter f = ts.find();
+
+        // depending on label support, identify tickets by label or title containing string
+        if (ts.hasLabelSupport()) {
+            LOG.debug(String.format(
+                "ticketsystem has label support, using label %s to find dtt tickets", LABEL));
+            f.withLabel(LABEL);
+        }
+        else {
+            LOG.debug(String.format(
+                "ticketsystem without labels, searching for ticket titles containing %s", TITLE));
+            f.withTitleContain(TITLE);
+        }
+
+        LOG.debug("prepare pagination cycling");
+        // set first page and page size for pagination
+        int page = 1;
+        int pageSize = 10;
+        f.setPageSize(pageSize);
+        LOG.debug(String.format("using pagination with %s elements per page", pageSize));
+        // declare list for received tickets
+        List<Ticket> received;
+        // go into do-while to evaluate after receiving if another round is needed
+        do {
+            LOG.debug(String.format("calling page %s", page));
+            f.setPage(page++);
+            received = f.get();
+            ret.addAll(received);
+        } while (f.getLastReceivedItemCount() >= pageSize);
+
+        return ret;
+    }
+
+    public static String getHashForFailure(Result result) {
+        MessageDigest digest;
+
+        try {
+            digest = MessageDigest.getInstance("SHA-512");
+        } catch (NoSuchAlgorithmException e) {
+            throw new UnifiedticketingException(e);
+        }
+
+        byte[] data = digest.digest(result.name.getBytes(StandardCharsets.UTF_8));
+        StringBuilder hexString = new StringBuilder(2 * data.length);
+        for (byte character: data)
+        {
+            String hex = Integer.toHexString(0xff & character);
+            if (hex.length() == 1)
+            {
+                hexString.append('0');
+            }
+            hexString.append(hex);
+        }
+
+        return hexString.substring(hexString.length() - 9, hexString.length() - 1);
+    }
+
+    public static void processResult(TicketSystem ts, Set<Ticket> tickets, Result result, boolean compilationError) {
+        LOG.debug(String.format("retrieving hash for %s", result.name));
+        String hash = getHashForFailure(result);
+
+        // check if corresponding ticket exists yet, otherwise create new one
+        Ticket ticket = tickets.stream()
+            .filter(t -> t.getTitle().endsWith(hash))
+            .findFirst()
+            .orElse(null);
+
+        if (ticket != null) {
+            // if yet existing, remove from found list
+            LOG.debug("found ticket with matching hash, removing from collection");
+            tickets.remove(ticket);
+            LOG.debug("updating ticket with new result");
+            updateTicketFromResult(ts, ticket, result, compilationError);
+        } else {
+            LOG.debug("no ticket found, creating new one");
+            createTicketFromResult(ts, result, compilationError);
+        }
+    }
+
+    /**
+     * search file for unified-ticketing URI's and report to every set ticket system,
+     * not waiting for it to finish and catching an eventually interrupted thread.
+     *
+     * @param meta student uploaded file
+     * @param resultSummary summary from the testrunner container
+     */
+    public static void reportResults(InputStream meta, ResultSummary resultSummary) {
+        try {
+            reportResults(meta, resultSummary, false);
+        } catch (InterruptedException e) {
+            LOG.error(String.format("Unified-Ticketing got interrupted with: %s", e.getMessage()));
+        }
+    }
+
+    /**
+     * report all failures and compilation errors to all configured ticket systems.
+     * You can optionally wait for the ticket creation to finish, which is done in a separate thread.
+     *
+     * @param meta student uploaded file
+     * @param resultSummary summary from the testrunner container
+     * @param wait if we should block until the ticket creation has finished
+     * @throws InterruptedException
+     */
+    public static void reportResults(InputStream meta, ResultSummary resultSummary, boolean wait) throws InterruptedException {
+
+        LOG.debug("preparing thread for ticket result submitting");
+        Thread unifiedTicketingUtil = new Thread(() -> {
+            // read student transmitted file
+            try (BufferedReader br = new BufferedReader(new InputStreamReader(meta))) {
+                String line = null;
+                while ((line = br.readLine()) != null) {
+                    TicketSystem ts = null;
+
+                    // try each line as URI for a unified-ticketing instantiation
+                    try {
+                        ts = TicketSystem.fromUri(line);
+                        LOG.info(String.format("ticket system for reporting found: %s", ts.baseUrl));
+                    } catch (UnifiedticketingException e) {
+                        // ignore if line didn't match a unified-ticketing URI
+                    }
+
+                    // if a ticketsystem got instantiated, start the submission.
+                    // If errors occur, log it this time.
+                    try {
+                        if (ts != null) reportToTicketsystem(ts, resultSummary);
+                    } catch (UnifiedticketingException e) {
+                        LOG.warn(String.format(
+                            "reporting fails to ticketsystem %s failed with: ",
+                            ts.baseUrl,
+                            e.getMessage()));
+                    }
+                }
+            } catch (IOException e) {
+                LOG.error(String.format("couldn't read config to find lines for ticket reporting: %s", e.getMessage()));
+            }
+        });
+
+        LOG.debug("starting ticket submitting thread");
+        unifiedTicketingUtil.start();
+
+        if (wait) {
+            LOG.debug("wait for ticket submission completion");
+            unifiedTicketingUtil.join();
+        } else {
+            LOG.debug("tickets will be submitted in background");
+        }
+    }
+
+    public static void reportToTicketsystem(TicketSystem ts, ResultSummary resultSummary) {
+        // tickets existing yet
+        LOG.debug("fetching existing tickets");
+        Set<Ticket> tickets = fetchExistingTickets(ts);
+
+        // for each fail or compile error
+        LOG.debug("start failed tests reporting");
+        resultSummary.results.stream()
+            .filter(r -> r.state == Result.State.FAILURE.ordinal())
+            .forEach(f -> processResult(ts, tickets, f, false));
+        LOG.debug("start compilation errors reporting");
+        resultSummary.results.stream()
+            .filter(r -> r.state == Result.State.COMPILATIONERROR.ordinal())
+            .forEach(c -> processResult(ts, tickets, c, true));
+
+        LOG.debug("closing all remaining tickets, no longer appeared");
+        tickets.forEach(ticket -> ticket.close().save());
+    }
+
+    public static Ticket updateTicketFromResult(TicketSystem ts, Ticket ticket, Result result, boolean compilationError) {
+        ticket
+            .open()
+            .setTitle(createTicketTitleFromResult(ts, result, compilationError))
+            .setDescription(createTicketDescriptionFromResult(ts, result, compilationError));
+        if (ts.hasLabelSupport()) ticket.addLabel(LABEL);
+
+        return ticket.save();
+    }
+}

src/main/resources/application.properties

+# Multipart settings
+spring.http.multipart.enabled=true
+spring.http.multipart.max-file-size=5Mb
+
+###############################################
+# Data properties
+###############################################
+
+# Holds the uploaded Zip-Files
+tests.tmp.dir=/tmp/dtt-tests
+host.tests.tmp.dir=${tests.tmp.dir}
+data.dir=/data
+data.dir.test.folder.name=UnitTests
+
+logging.level.de.hftstuttgart=TRACE
\ No newline at end of file

src/test/java/de/hftstuttgart/dtabackend/DtaBackendApplicationTests.java

+package de.hftstuttgart.dtabackend;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.test.context.SpringBootTest;
+
+@SpringBootTest
+class DtaBackendApplicationTests {
+
+	@Test
+	void contextLoads() {
+	}
+
+}