build: migrating builds from Maven to Gradle (#49)

* for integrating sandbox based on JNI in the future
* for performance of building
* for enjoying a powerful building system

.github/workflows/ci.yml

@@ -18,16 +18,29 @@ jobs:
       - uses: actions/checkout@v2
         with:
           repository: SDUOJ/sduoj-server
+
       - name: Cache sduoj-server interface
         id: cache-sduoj-server-interface
         uses: actions/cache@v2
         with:
           path: ~/.m2/repository
           key: ${{ runner.os }}-m2-${{ hashFiles('**/*.java') }}-${{ hashFiles('**/pom.xml') }}
           restore-keys: ${{ runner.os }}-m2
+
       - name: Install if cache not hit
         if: steps.cache-sduoj-server-interface.outputs.cache-hit != 'true'
-        run:  mvn -B install --file pom.xml
+        run: |
+          chmod +x ./mvnw
+          ./mvnw install \
+              --projects sduoj-submit/sduoj-submit-interface \
+              --projects sduoj-problem/sduoj-problem-interface \
+              --projects sduoj-filesys/sduoj-filesys-interface \
+              --also-make \
+              --no-transfer-progress \
+              --batch-mode \
+              -Dmaven.test.skip=true \
 
       - uses: actions/checkout@v2
-      - run: mvn -B package --file pom.xml
+      - run: |
+          chmod +x ./gradlew
+          ./gradlew build

.gitignore

@@ -4,6 +4,8 @@ target/
 build/
 out/
 
+.gradle
+
 *.DS_Store
 *.class
 *.swp

Dockerfile

@@ -1,41 +1,72 @@
 FROM ubuntu:18.04
-MAINTAINER SDUOJ-dev
+MAINTAINER SDUOJ-Team
+
+ENV LANG C.UTF-8
 
 COPY docker/sources.list /etc/apt/sources.list
 COPY docker/mavenSettings.xml /usr/share/maven/conf/settings.xml
 COPY docker/testlib /testlib.h
-ADD https://github.com/ufoscout/docker-compose-wait/releases/download/2.7.3/wait /wait
+COPY docker/checkers/ /checkers/
+
+ADD https://github.com/SDUOJ/docker-compose-wait/releases/download/2.7.3/wait /wait
+RUN mkdir /sduoj \
+ && chmod +x /wait
 
+# install OS softwares
 RUN apt-get update \
- && apt-get install -y sudo git unzip wget libseccomp-dev libseccomp2 seccomp build-essential python3-pip python dosbox openjdk-8-jdk maven
+ && apt-get install -qq -y \
+                    make=4.1-9.1ubuntu1   dosbox=0.74-4.3 cmake \
+                    sudo git unzip wget libseccomp-dev libseccomp2 seccomp build-essential \
+                    python3-pip python vim dos2unix openjdk-8-jdk \
+ && mkdir /usr/share/maven/conf/logging \
+ && ln -sf /usr/lib/jvm/java-8-openjdk-amd64/bin/java /usr/bin/java \
+ && ln -sf /usr/lib/jvm/java-8-openjdk-amd64/bin/javac /usr/bin/javac
 
-RUN git clone https://github.com/SDUOJ/sduoj-sandbox.git \
- && cd sduoj-sandbox \
+# compile and install sduoj-sandbox
+RUN wget -q -O /sduoj/sandbox.zip https://codeload.github.com/SDUOJ/sduoj-sandbox/zip/master \
+ && unzip -o -q -d /sduoj /sduoj/sandbox.zip \
+ && rm /sduoj/sandbox.zip \
+ && cd /sduoj/sduoj-sandbox* \
  && make \
  && make install
 
-RUN ln -sf /usr/lib/jvm/java-8-openjdk-amd64/bin/java /usr/bin/java \
- && ln -sf /usr/lib/jvm/java-8-openjdk-amd64/bin/javac /usr/bin/javac \
- && mkdir /sduoj \
- && wget -O /sduoj/server.zip https://codeload.github.com/SDUOJ/sduoj-server/zip/master \
- && wget -O /sduoj/judger.zip https://codeload.github.com/SDUOJ/sduoj-judger/zip/master \
- && unzip -o -q -d /sduoj /sduoj/server.zip \
- && unzip -o -q -d /sduoj /sduoj/judger.zip \
- && mkdir /usr/share/maven/conf/logging \
- && cd /sduoj/sduoj-server-master \
- && mvn install \
- && cd /sduoj/sduoj-judger-master \
- && mvn package \
- && mv sduoj-judger-service/target/sduoj-judger.jar ../sduoj-judger.jar \
+# download source code
+RUN wget -q -O /sduoj/server.zip https://codeload.github.com/SDUOJ/sduoj-server/zip/master \
+ && wget -q -O /sduoj/judger.zip https://codeload.github.com/SDUOJ/sduoj-judger/zip/master \
+ && unzip -o -q -d /sduoj/dockerWorkspace /sduoj/server.zip \
+ && unzip -o -q -d /sduoj/dockerWorkspace /sduoj/judger.zip \
+ && rm /sduoj/server.zip \
+ && rm /sduoj/judger.zip
+
+# compile and install sduoj-server
+RUN cd /sduoj/dockerWorkspace/sduoj-server* \
+ && chmod +x ./mvnw \
+ && ./mvnw install \
+           --projects sduoj-submit/sduoj-submit-interface \
+           --projects sduoj-problem/sduoj-problem-interface \
+           --projects sduoj-filesys/sduoj-filesys-interface \
+           --also-make \
+           --no-transfer-progress \
+           --batch-mode \
+           -Dmaven.test.skip=true \
+           -T `nproc`\
+# compile sduoj-judger
+ && cd /sduoj/dockerWorkspace/sduoj-judger* \
+ && chmod +x ./gradlew \
+ && ./gradlew build \
+ && mv ./sduoj-judger-service/build/libs/sduoj-judger.jar /sduoj/sduoj-judger.jar \
+# clean
  && rm -rf ~/.m2 \
- && rm -rf /sduoj/sduoj-server-master \
- && rm -rf /sduoj/sduoj-judger-master \
- && apt-get purge -y maven \
- && chmod +x /wait
+ && rm -rf ~/.gradle \
+ && rm -rf /sduoj/dockerWorkspace
 
 ENV NACOS_ADDR=nacos.oj.qd.sdu.edu.cn:8848
 ENV ACTIVE=prod
 
 WORKDIR /sduoj
+
 CMD /wait \
- && java -jar sduoj-judger.jar --sduoj.config.nacos-addr=$NACOS_ADDR --sduoj.config.active=$ACTIVE > /sduoj/sduoj.log
+ && java -jar sduoj-judger.jar \
+         --sduoj.config.nacos-addr=$NACOS_ADDR \
+         --sduoj.config.active=$ACTIVE \
+         >> /sduoj/sduoj.log

buildSrc/build.gradle

@@ -0,0 +1,13 @@
+/*
+ * This file was generated by the Gradle 'init' task.
+ */
+
+plugins {
+    // Support convention plugins written in Groovy. Convention plugins are build scripts in 'src/main' that automatically become available as plugins in the main build.
+    id 'groovy-gradle-plugin'
+}
+
+repositories {
+    // Use the plugin portal to apply community plugins in convention plugins.
+    gradlePluginPortal()
+}

buildSrc/src/main/groovy/cn.edu.sdu.qd.oj.judger.java-conventions.gradle

@@ -0,0 +1,40 @@
+/*
+ * This file was generated by the Gradle 'init' task.
+ */
+
+plugins {
+    id 'java'
+}
+
+group = 'cn.edu.sdu.qd.oj.judger'
+version = '1.0.0-SNAPSHOT'
+java.sourceCompatibility = JavaVersion.VERSION_1_8
+java.targetCompatibility = JavaVersion.VERSION_1_8
+
+ext {
+    lombokVersion = '1.18.12'
+}
+
+repositories {
+    mavenLocal()
+    mavenCentral()
+    maven {
+        url = uri('https://repo.maven.apache.org/maven2/')
+    }
+}
+
+dependencies {
+    implementation "org.projectlombok:lombok:$lombokVersion"
+    annotationProcessor "org.projectlombok:lombok:$lombokVersion"
+}
+
+configurations {
+    compileOnly {
+        extendsFrom annotationProcessor
+    }
+}
+
+
+tasks.withType(JavaCompile) {
+    options.encoding = 'UTF-8'
+}

gradle.properties

@@ -0,0 +1,2 @@
+org.gradle.warning.mode=summary
+org.gradle.parallel=true

gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,5 @@
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.3-bin.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists