Jenkinsfile

pipeline {
  agent any

  tools {
    maven 'Maven-3.6.2'
    jdk   'OpenJDK8'
  }

  options {
    timestamps()
    disableConcurrentBuilds()
  }

  environment {
    MAVEN_SETTINGS_FILE_ID = 'artifactory-maven-settings'

    // Artifactory URLs (container DNS "artifactory" as in your logs)
    ARTIFACTORY_BASE_URL   = 'http://artifactory:8081/artifactory'
    ARTIFACTORY_RELEASE_REPO  = 'libs-release-local'
    ARTIFACTORY_SNAPSHOT_REPO = 'libs-snapshot-local'
  }

  stages {

    stage('Checkout') {
      steps {
        checkout scm
      }
    }

    // Testing rule: Only main branch goes through CI. Other branches are ignored.
    stage('Guard: testing only main') {
      when {
        not { anyOf { branch 'master'; branch 'main' } }
      }
      steps {
        script {
          echo "Testing CI rule: ignoring branch '${env.BRANCH_NAME}'. Only 'main' branch runs CI."
          currentBuild.result = 'NOT_BUILT'
        }
      }
    }

    stage('Main: Build') {
      when { anyOf { branch 'master'; branch 'main' } }
      steps {
        withCredentials([
          usernamePassword(
            credentialsId: 'artifactory-jenkins',
            usernameVariable: 'ARTIFACTORY_USERNAME',
            passwordVariable: 'ARTIFACTORY_PASSWORD'
          )
        ]) {
          configFileProvider([
            configFile(fileId: "${MAVEN_SETTINGS_FILE_ID}", variable: 'MAVEN_SETTINGS')
          ]) {
            script {
              echo "=== Main branch: BUILD simulator ==="
              sh '''
                set -euo pipefail
                mvn -s "${MAVEN_SETTINGS}" -U clean package
              '''
            }
          }
        }
      }
    }

    stage('Main: Integration') {
      when { anyOf { branch 'master'; branch 'main' } }
      steps {
        withCredentials([
          usernamePassword(
            credentialsId: 'artifactory-jenkins',
            usernameVariable: 'ARTIFACTORY_USERNAME',
            passwordVariable: 'ARTIFACTORY_PASSWORD'
          )
        ]) {
          configFileProvider([
            configFile(fileId: "${MAVEN_SETTINGS_FILE_ID}", variable: 'MAVEN_SETTINGS')
          ]) {
            script {
              echo "=== Main branch: PARALLEL integration tests ==="

              // Split tests-full.txt into two roughly equal parts
              sh '''
                set -euo pipefail
                split -n l/2 tests-full.txt tests-part-
                mv tests-part-aa tests-part-1.txt
                mv tests-part-ab tests-part-2.txt
              '''

              parallel(
                shard1: {
                  runSimulatorShard(env.MAVEN_SETTINGS, 'tests-part-1.txt', 'shard1')
                },
                shard2: {
                  runSimulatorShard(env.MAVEN_SETTINGS, 'tests-part-2.txt', 'shard2')
                }
              )
            }
          }
        }
      }
    }

    stage('Main: Publish') {
      when { anyOf { branch 'master'; branch 'main' } }
      steps {
        withCredentials([
          usernamePassword(
            credentialsId: 'artifactory-jenkins',
            usernameVariable: 'ARTIFACTORY_USERNAME',
            passwordVariable: 'ARTIFACTORY_PASSWORD'
          )
        ]) {
          configFileProvider([
            configFile(fileId: "${MAVEN_SETTINGS_FILE_ID}", variable: 'MAVEN_SETTINGS')
          ]) {
            script {
              echo "=== Main branch: PUBLISH simulator to Artifactory (skip tests) ==="
              sh '''
                set -euo pipefail
                mvn -s "${MAVEN_SETTINGS}" -U deploy -DskipTests
              '''
            }
          }
        }
      }
    }
  }
}

/* ================= FUNCTIONS (below pipeline) ================= */

// Run simulator with telemetry and analytics from Artifactory
// Note: tests-full.txt is in the same repo, so we just copy it
def runSimulatorWithTelemetryAndAnalytics(String mavenSettingsPath) {
  // Kept for backward compatibility if needed in other places;
  // not used in the new parallel integration flow.
  sh """
    set -euo pipefail

    echo "=== Preparing integration tests (single shard) ==="

    cp -f tests-full.txt tests.txt
    echo "Using test suite: tests-full.txt"

    SIMULATOR_VERSION=\$(mvn -q -s "${mavenSettingsPath}" -DforceStdout help:evaluate -Dexpression=project.version)
    SIMULATOR_ARTIFACT=\$(mvn -q -s "${mavenSettingsPath}" -DforceStdout help:evaluate -Dexpression=project.artifactId)
    SIMULATOR_JAR="target/\${SIMULATOR_ARTIFACT}-\${SIMULATOR_VERSION}.jar"

    if [ ! -f "\${SIMULATOR_JAR}" ]; then
      echo "ERROR: Simulator JAR not found: \${SIMULATOR_JAR}"
      exit 1
    fi

    rm -rf deps
    mkdir -p deps

    echo "=== Downloading telemetry and analytics from Artifactory ==="
    mvn -s "${mavenSettingsPath}" -U dependency:copy -Dtransitive=false \\
      -Dartifact=com.lidar:telemetry:99-SNAPSHOT:jar \\
      -DoutputDirectory=deps

    mvn -s "${mavenSettingsPath}" -U dependency:copy -Dtransitive=false \\
      -Dartifact=com.lidar:analytics:99-SNAPSHOT:jar \\
      -DoutputDirectory=deps

    TELEMETRY_JAR=\$(ls -1 deps/telemetry-*.jar | head -n 1)
    ANALYTICS_JAR=\$(ls -1 deps/analytics-*.jar | head -n 1)

    if [ -z "\${TELEMETRY_JAR}" ] || [ -z "\${ANALYTICS_JAR}" ]; then
      echo "ERROR: Could not find telemetry or analytics JARs"
      ls -la deps || true
      exit 1
    fi

    echo "=== Running simulator (single shard) ==="
    java -cp "\${SIMULATOR_JAR}:\${TELEMETRY_JAR}:\${ANALYTICS_JAR}" com.lidar.simulation.Simulator

    echo "Integration tests PASSED."
  """
}

def runSimulatorShard(String mavenSettingsPath, String testsFile, String shardName) {
  dir("it-${shardName}") {
    sh """
      set -euo pipefail

      echo "=== [${shardName}] Preparing tests from ${testsFile} ==="
      cp -f "../${testsFile}" tests.txt
      test -f "tests.txt"

      
      SIMULATOR_VERSION=\$(mvn -q -s "${mavenSettingsPath}" -f .. -DforceStdout help:evaluate -Dexpression=project.version)
      SIMULATOR_ARTIFACT=\$(mvn -q -s "${mavenSettingsPath}" -f .. -DforceStdout help:evaluate -Dexpression=project.artifactId)
      SIMULATOR_JAR="../target/\${SIMULATOR_ARTIFACT}-\${SIMULATOR_VERSION}.jar"

      if [ ! -f "\${SIMULATOR_JAR}" ]; then
        echo "ERROR: Simulator JAR not found: \${SIMULATOR_JAR}"
        exit 1
      fi

      rm -rf deps
      mkdir -p deps

      echo "=== [${shardName}] Downloading telemetry and analytics from Artifactory ==="
      mvn -s "${mavenSettingsPath}" -U dependency:copy -Dtransitive=false \\
        -Dartifact=com.lidar:telemetry:99-SNAPSHOT:jar \\
        -DoutputDirectory=deps

      mvn -s "${mavenSettingsPath}" -U dependency:copy -Dtransitive=false \\
        -Dartifact=com.lidar:analytics:99-SNAPSHOT:jar \\
        -DoutputDirectory=deps

      TELEMETRY_JAR=\$(ls -1 deps/telemetry-*.jar | head -n 1)
      ANALYTICS_JAR=\$(ls -1 deps/analytics-*.jar | head -n 1)

      if [ -z "\${TELEMETRY_JAR}" ] || [ -z "\${ANALYTICS_JAR}" ]; then
        echo "ERROR: Could not find telemetry or analytics JARs"
        ls -la deps || true
        exit 1
      fi

      echo "=== [${shardName}] Running simulator ==="
      java -cp "\${SIMULATOR_JAR}:\${TELEMETRY_JAR}:\${ANALYTICS_JAR}" com.lidar.simulation.Simulator
    """
  }
}