Add release workflow

.github/workflows/release.yml

@@ -0,0 +1,51 @@
+name: Publish the Java Package to Maven Central Repository and upload tool to GitHub
+
+on:
+  push:
+    tags:
+      - v[0-9]+.[0-9]+.[0-9]+
+    branches:
+      - main
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Set up JDK 1.8
+        uses: actions/setup-java@v3
+        with:
+          distribution: 'temurin'
+          java-version: '8'
+
+      - name: Set version
+        id: version
+        run: |
+          VERSION=$(echo ${{ github.ref }} | sed -e "s#refs/tags/v##g")
+          echo "version=${VERSION}" >> $GITHUB_OUTPUT
+
+      - name: Upload the package to Maven Central Repository
+        run: |
+          echo "${{ secrets.SIGNING_SECRET_KEY_RING }}" | base64 -d > ~/.gradle/secring.gpg
+          ./gradlew publish \
+          -Pversion=${{ steps.version.outputs.version }} \
+          -Psigning.keyId="${{ secrets.SIGNING_KEY_ID }}" \
+          -P'signing.password'="${{ secrets.SIGNING_PASSWORD }}" \
+          -Psigning.secretKeyRingFile="$(echo ~/.gradle/secring.gpg)" \
+          -PossrhUsername="${{ secrets.OSSRH_USERNAMAE }}" \
+          -PossrhPassword="${{ secrets.OSSRH_PASSWORD }}"
+
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v2
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.CR_PAT }}
+
+      - name: Build Docker image
+        run: ./gradlew docker
+
+      - name: Push Docker image to GitHub Container Registry
+        run: docker push ghcr.io/scalar-labs/scalar-admin-k8s:${{ steps.version.outputs.version }}

build.gradle

@@ -8,7 +8,7 @@ subprojects {
     }
 
     group = "com.scalar-labs"
-    project.version = project.findProperty('projVersion') ?: '1.0.0-SNAPSHOT'
+    project.version = project.findProperty('projVersion') ?: '1.1.0-SNAPSHOT'
 
     ext {
         scalarAdminVersion = '2.1.2'
@@ -20,6 +20,8 @@ subprojects {
         mockitoVersion = '4.11.0'
         jacksonVersion = '2.15.2'
         spotbugsVersion = '4.7.3'
+        dockerPluginVersion = '0.34.0'
+        shadowJarPluginVersion = '7.1.2'
     }
 
     repositories {

cli/Dockerfile

@@ -0,0 +1,10 @@
+FROM ghcr.io/scalar-labs/jre8:1.1.14
+
+COPY scalar-admin-k8s-*.jar /app.jar
+
+RUN groupadd -r --gid 201 scalar && \
+    useradd -r --uid 201 -g scalar scalar
+
+USER 201
+
+ENTRYPOINT ["java", "-jar", "/app.jar"]

cli/build.gradle

@@ -1,5 +1,6 @@
 plugins {
-    id 'com.github.johnrengelman.shadow' version '8.1.1'
+    id 'com.github.johnrengelman.shadow' version "${shadowJarPluginVersion}"
+    id 'com.palantir.docker' version "${dockerPluginVersion}"
 }
 
 dependencies {
@@ -18,3 +19,9 @@ shadowJar {
    // this is to merge gRPC service files into the shadow jar
    mergeServiceFiles()
 }
+
+docker {
+    dependsOn shadowJar
+    name "ghcr.io/scalar-labs/scalar-admin-k8s:${project.version}"
+    files tasks.shadowJar.outputs
+}

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.1.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.6.2-bin.zip
 networkTimeout=10000
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

lib/archive.gradle

@@ -0,0 +1,54 @@
+apply plugin: 'maven-publish'
+apply plugin: 'signing'
+
+publishing {
+    publications {
+        mavenJava(MavenPublication) {
+            artifactId = 'scalar-admin-k8s'
+            from components.java
+            pom {
+                name = 'Scalar Admin for Kubernetes'
+                description = 'This library provides a fault-tolerant manner to pause Scalar products in Kubernetes environments and ensure the data is transactionally consistent.'
+                url = 'https://github.com/scalar-labs/scalar-admin'
+                licenses {
+                    license {
+                        name = 'Apache License, Version 2.0'
+                        url = 'http://www.apache.org/licenses/LICENSE-2.0'
+                    }
+                }
+                developers {
+                    developer {
+                        id = 'hiroyuki'
+                        name = 'Hiroyuki Yamada'
+                        email = '[email protected]'
+                    }
+                    developer {
+                        id = 'supl'
+                        name = 'Plenty Su'
+                        email = '[email protected]'
+                    }
+                }
+                scm {
+                    connection = 'scm:git:https://github.com/scalar-labs/scalar-admin-k8s.git'
+                    developerConnection = 'scm:git:https://github.com/scalar-labs/scalar-admin-k8s.git'
+                    url = 'https://github.com/scalar-labs/scalar-admin-k8s'
+                }
+            }
+        }
+    }
+    repositories {
+        maven {
+            def releasesRepoUrl = "https://oss.sonatype.org/service/local/staging/deploy/maven2"
+            def snapshotsRepoUrl = "https://oss.sonatype.org/content/repositories/snapshots"
+            url = version.endsWith('SNAPSHOT') ? snapshotsRepoUrl : releasesRepoUrl
+            credentials {
+                username = "${ossrhUsername}"
+                password = "${ossrhPassword}"
+            }
+        }
+    }
+}
+
+signing {
+    sign publishing.publications.mavenJava
+}

lib/build.gradle

@@ -16,3 +16,9 @@ test {
         events "passed", "skipped", "failed"
     }
 }
+
+if (!project.gradle.startParameter.taskNames.isEmpty() &&
+    (project.gradle.startParameter.taskNames[0].endsWith('publish') ||
+     project.gradle.startParameter.taskNames[0].endsWith('publishToMavenLocal'))) {
+    apply from: 'archive.gradle'
+}