TS-46051 Switch from docker to oci for publishing

Author: DreierF

.github/workflows/actions.yml

@@ -47,6 +47,14 @@ jobs:
             -Psigning.keyId=4FB80B8E \
             -PsonatypeUsername=${{ secrets.SONATYPE_USER }} \
             -PsonatypePassword=${{ secrets.SONATYPE_PASSWORD }}
+      - name: Push Docker Image to DockerHub
+        if: startsWith(github.ref, 'refs/tags/v')
+        run: |
+          ./gradlew :agent:pushOciImage :agent:pushLegacyOciImage
+          ./gradlew :agent:pushOciImage :agent:pushLegacyOciImage -PociImageTag=latest
+        env:
+          ORG_GRADLE_PROJECT_dockerHubUsername: ${{ secrets.DOCKERHUB_USER }}
+          ORG_GRADLE_PROJECT_dockerHubPassword: ${{ secrets.DOCKERHUB_TOKEN }}
       - name: Upload coverage to Teamscale
         if: always() && github.event_name == 'push'
         uses: cqse/teamscale-upload-action@v9.2.1
@@ -84,32 +92,4 @@ jobs:
           message: 'Coverage Windows'
           files: '**/jacocoTestReport.xml'
 
-  docker:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Set up QEMU
-        uses: docker/setup-qemu-action@v4
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v4
-      - name: Docker meta
-        id: meta
-        uses: docker/metadata-action@v6
-        with:
-          images: cqse/teamscale-jacoco-agent
-      - name: Login to DockerHub
-        if: github.event_name != 'pull_request'
-        uses: docker/login-action@v4
-        with:
-          username: ${{ secrets.DOCKERHUB_USER }}
-          password: ${{ secrets.DOCKERHUB_TOKEN }}
-      - name: Build and push
-        uses: docker/build-push-action@v7
-        with:
-          file: 'agent/src/docker/Dockerfile'
-          platforms: linux/amd64,linux/arm64
-          push: ${{ startsWith(github.ref, 'refs/tags/v') }}
-          tags: ${{ steps.meta.outputs.tags }}
-          labels: ${{ steps.meta.outputs.labels }}
-          build-args: |
-            GITHUB_REF=${{ github.ref }}
 

agent/build.gradle.kts

@@ -1,3 +1,5 @@
+import io.github.sgtsilvio.gradle.oci.dsl.OciImageDefinition
+
 plugins {
 	com.teamscale.`java-convention`
 	application
@@ -9,6 +11,7 @@ plugins {
 	com.teamscale.coverage
 	com.teamscale.publish
 	com.teamscale.`logger-patch`
+	alias(libs.plugins.oci)
 }
 
 evaluationDependsOn(":installer")
@@ -101,3 +104,57 @@ distributions {
 tasks.shadowDistZip {
 	archiveFileName = "teamscale-jacoco-agent.zip"
 }
+
+// The OCI plugin adds a project-level repository ('dockerHubOciRegistry') for resolving
+// OCI image dependencies, which overrides the settings-level dependencyResolutionManagement
+// repositories. We need to re-declare mavenCentral() here so regular dependencies can still
+// be resolved. See: https://github.com/SgtSilvio/gradle-oci/issues/125
+repositories {
+	mavenCentral()
+}
+
+oci {
+	registries {
+		dockerHub {
+			optionalCredentials()
+		}
+	}
+
+	val ociImageTag = providers.gradleProperty("ociImageTag").orElse(appVersion)
+	val configureImage: Action<OciImageDefinition> = Action {
+		imageTag = ociImageTag
+		allPlatforms {
+			dependencies {
+				runtime("library:alpine:latest")
+			}
+			config {
+				entryPoint = listOf("/entrypoint.sh")
+			}
+			layer("agent") {
+				contents {
+					into("agent") {
+						from(tasks.shadowJar)
+					}
+				}
+			}
+			layer("entrypoint") {
+				contents {
+					from("src/docker/entrypoint.sh") {
+						filePermissions = "755".toInt(8)
+					}
+				}
+			}
+		}
+		specificPlatform(platform("linux", "amd64"))
+		specificPlatform(platform("linux", "arm64"))
+	}
+
+	imageDefinitions.register("main") {
+		imageName = "cqse/teamscale-java-profiler"
+		configureImage.execute(this)
+	}
+	imageDefinitions.register("legacy") {
+		imageName = "cqse/teamscale-jacoco-agent"
+		configureImage.execute(this)
+	}
+}

agent/src/docker/Dockerfile

@@ -0,0 +1,7 @@
+#!/bin/sh
+if [ -e /transfer ]; then
+  cp -r /agent/teamscale-jacoco-agent.jar /transfer
+  exit 0
+fi
+trap : TERM INT
+sleep infinity & wait

agent/src/docker/entrypoint.sh

@@ -88,5 +88,6 @@ pluginPublish = { id = "com.gradle.plugin-publish", version = "2.1.1" }
 gitProperties = { id = "com.gorylenko.gradle-git-properties", version = "2.5.7" }
 mavenPluginDevelopment = { id = "org.gradlex.maven-plugin-development", version = "1.0.3" }
 shadow = { id = "com.gradleup.shadow", version = "9.4.1" }
+oci = { id = "io.github.sgtsilvio.gradle.oci", version = "0.25.0" }
 kotlinJvm = { id = "org.jetbrains.kotlin.jvm", version = "2.3.20" }
 jlink = { id = "org.beryx.jlink", version = "4.0.0" }