opentelemetry-java-instrumentation/testing/armeria-shaded-for-testing/build.gradle.kts

plugins {
  id("com.github.johnrengelman.shadow")

  id("otel.java-conventions")
}

dependencies {
  implementation("com.linecorp.armeria:armeria-junit5:1.28.4")
}

tasks {
  shadowJar {
    dependencies {
      exclude(dependency("org.slf4j:slf4j-api"))
      exclude(dependency("org.junit.jupiter:junit-jupiter-api"))
      exclude(dependency("org.junit.platform:junit-platform-commons"))
    }

    // Ensures tests are not affected by Armeria instrumentation
    relocate("com.linecorp.armeria", "io.opentelemetry.testing.internal.armeria")
    relocate("com.fasterxml.jackson", "io.opentelemetry.testing.internal.jackson")
    relocate("net.bytebuddy", "io.opentelemetry.testing.internal.bytebuddy")

    // Allows tests of Netty instrumentations which would otherwise conflict.
    // The relocation must end with io.netty to allow Netty to detect shaded native libraries.
    // https://github.com/netty/netty/blob/e69107ceaf247099ad9a198b8ef557bdff994a99/common/src/main/java/io/netty/util/internal/NativeLibraryLoader.java#L120
    relocate("io.netty", "io.opentelemetry.testing.internal.io.netty")
    exclude("META-INF/maven/**")
    relocate("META-INF/native/libnetty", "META-INF/native/libio_opentelemetry_testing_internal_netty")
    relocate("META-INF/native/netty", "META-INF/native/io_opentelemetry_testing_internal_netty")

    // relocate micrometer and its dependencies so that it doesn't conflict with instrumentation tests
    relocate("io.micrometer", "io.opentelemetry.testing.internal.io.micrometer")
    relocate("org.HdrHistogram", "io.opentelemetry.testing.internal.org.hdrhistogram")
    relocate("org.LatencyUtils", "io.opentelemetry.testing.internal.org.latencyutils")

    mergeServiceFiles()
  }

  val extractShadowJar by registering(Copy::class) {
    dependsOn(shadowJar)
    // there's both "LICENSE" file and "license" and without excluding one of these build fails on case insensitive file systems
    // there's a LICENSE.txt file that has the same contents anyway, so we're not losing anything excluding that
    from(zipTree(shadowJar.get().archiveFile)) {
      exclude("META-INF/LICENSE")
    }
    into("build/extracted/shadow")
    includeEmptyDirs = false
  }
}