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Merge pull request #747 from iRevive/contrib/aws/resource-detectors
sdk-contrib: add `aws-resource` module
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| Original file line number | Diff line number | Diff line change |
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| # AWS | Resource detectors | ||
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| Resource detectors can add environment-specific attributes to the telemetry resource. | ||
| AWS detectors are implemented as a third-party library, and you need to enable them manually. | ||
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| ## The list of detectors | ||
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| ### 1. aws-lambda | ||
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| The detector relies on the `AWS_REGION`, `AWS_LAMBDA_FUNCTION_NAME`, and `AWS_LAMBDA_FUNCTION_VERSION` environment variables | ||
| to configure the telemetry resource. | ||
| Either `AWS_LAMBDA_FUNCTION_NAME` or `AWS_LAMBDA_FUNCTION_VERSION` must be present. | ||
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| ```scala mdoc:passthrough | ||
| import cats.effect.IO | ||
| import cats.effect.std.Env | ||
| import cats.effect.unsafe.implicits.global | ||
| import org.typelevel.otel4s.sdk.contrib.aws.resource._ | ||
| import scala.collection.immutable | ||
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| val envEntries = Map( | ||
| "AWS_REGION" -> "eu-west-1", | ||
| "AWS_LAMBDA_FUNCTION_NAME" -> "function", | ||
| "AWS_LAMBDA_FUNCTION_VERSION" -> "0.0.1" | ||
| ) | ||
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| implicit val env: Env[IO] = | ||
| new Env[IO] { | ||
| def get(name: String): IO[Option[String]] = IO.pure(envEntries.get(name)) | ||
| def entries: IO[immutable.Iterable[(String, String)]] = IO.pure(envEntries) | ||
| } | ||
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| println("Environment: ") | ||
| println("```") | ||
| envEntries.foreach { case (k, v) => println(s"${k.replace("_", "_")}=$v") } | ||
| println("```") | ||
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| println("Detected resource: ") | ||
| println("```") | ||
| AWSLambdaDetector[IO].detect.unsafeRunSync().foreach { resource => | ||
| resource.attributes.toList.sortBy(_.key.name).foreach { attribute => | ||
| println(attribute.key.name + ": " + attribute.value) | ||
| } | ||
| } | ||
| println("```") | ||
| ``` | ||
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| ## Getting Started | ||
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| @:select(build-tool) | ||
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| @:choice(sbt) | ||
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| Add settings to the `build.sbt`: | ||
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| ```scala | ||
| libraryDependencies ++= Seq( | ||
| "org.typelevel" %%% "otel4s-sdk" % "@VERSION@", // <1> | ||
| "org.typelevel" %%% "otel4s-sdk-exporter" % "@VERSION@", // <2> | ||
| "org.typelevel" %%% "otel4s-sdk-contrib-aws-resource" % "@VERSION@" // <3> | ||
| ) | ||
| ``` | ||
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| @:choice(scala-cli) | ||
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| Add directives to the `*.scala` file: | ||
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| ```scala | ||
| //> using lib "org.typelevel::otel4s-sdk::@VERSION@" // <1> | ||
| //> using lib "org.typelevel::otel4s-sdk-exporter::@VERSION@" // <2> | ||
| //> using lib "org.typelevel::otel4s-sdk-contrib-aws-resource::@VERSION@" // <3> | ||
| ``` | ||
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| @:@ | ||
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| 1. Add the `otel4s-sdk` library | ||
| 2. Add the `otel4s-sdk-exporter` library. Without the exporter, the application will crash | ||
| 3. Add the `otel4s-sdk-contrib-aws-resource` library | ||
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| _______ | ||
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| Then autoconfigure the SDK: | ||
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| @:select(sdk-entry-point) | ||
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| @:choice(sdk) | ||
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| `OpenTelemetrySdk.autoConfigured` configures both `MeterProvider` and `TracerProvider`: | ||
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| ```scala mdoc:silent:reset | ||
| import cats.effect.{IO, IOApp} | ||
| import org.typelevel.otel4s.metrics.MeterProvider | ||
| import org.typelevel.otel4s.sdk.OpenTelemetrySdk | ||
| import org.typelevel.otel4s.sdk.contrib.aws.resource._ | ||
| import org.typelevel.otel4s.sdk.exporter.otlp.autoconfigure.OtlpExportersAutoConfigure | ||
| import org.typelevel.otel4s.trace.TracerProvider | ||
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| object TelemetryApp extends IOApp.Simple { | ||
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| def run: IO[Unit] = | ||
| OpenTelemetrySdk | ||
| .autoConfigured[IO]( | ||
| // register OTLP exporters configurer | ||
| _.addExportersConfigurer(OtlpExportersAutoConfigure[IO]) | ||
| // register AWS Lambda detector | ||
| .addResourceDetector(AWSLambdaDetector[IO]) | ||
| ) | ||
| .use { autoConfigured => | ||
| val sdk = autoConfigured.sdk | ||
| program(sdk.meterProvider, sdk.tracerProvider) | ||
| } | ||
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| def program( | ||
| meterProvider: MeterProvider[IO], | ||
| tracerProvider: TracerProvider[IO] | ||
| ): IO[Unit] = | ||
| ??? | ||
| } | ||
| ``` | ||
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| @:choice(traces) | ||
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| `SdkTraces` configures only `TracerProvider`: | ||
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| ```scala mdoc:silent:reset | ||
| import cats.effect.{IO, IOApp} | ||
| import org.typelevel.otel4s.sdk.contrib.aws.resource._ | ||
| import org.typelevel.otel4s.sdk.exporter.otlp.trace.autoconfigure.OtlpSpanExporterAutoConfigure | ||
| import org.typelevel.otel4s.sdk.trace.SdkTraces | ||
| import org.typelevel.otel4s.trace.TracerProvider | ||
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| object TelemetryApp extends IOApp.Simple { | ||
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| def run: IO[Unit] = | ||
| SdkTraces | ||
| .autoConfigured[IO]( | ||
| // register OTLP exporters configurer | ||
| _.addExporterConfigurer(OtlpSpanExporterAutoConfigure[IO]) | ||
| // register AWS Lambda detector | ||
| .addResourceDetector(AWSLambdaDetector[IO]) | ||
| ) | ||
| .use { autoConfigured => | ||
| program(autoConfigured.tracerProvider) | ||
| } | ||
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| def program( | ||
| tracerProvider: TracerProvider[IO] | ||
| ): IO[Unit] = | ||
| ??? | ||
| } | ||
| ``` | ||
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| @:@ | ||
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| ## Configuration | ||
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| The `OpenTelemetrySdk.autoConfigured(...)` and `SdkTraces.autoConfigured(...)` rely on the environment variables and system properties to configure the SDK. | ||
| Check out the [configuration details](configuration.md#telemetry-resource-detectors). | ||
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| There are several ways to configure the options: | ||
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| @:select(sdk-options-source) | ||
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| @:choice(sbt) | ||
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| Add settings to the `build.sbt`: | ||
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| ```scala | ||
| javaOptions += "-Dotel.otel4s.resource.detectors.enabled=aws-lambda" | ||
| envVars ++= Map("OTEL_OTEL4S_RESOURCE_DETECTORS_ENABLE" -> "aws-lambda") | ||
| ``` | ||
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| @:choice(scala-cli) | ||
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| Add directives to the `*.scala` file: | ||
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| ```scala | ||
| //> using javaOpt -Dotel.otel4s.resource.detectors.enabled=aws-lambda | ||
| ``` | ||
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| @:choice(shell) | ||
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| ```shell | ||
| $ export OTEL_OTEL4S_RESOURCE_DETECTORS_ENABLED=aws-lambda | ||
| ``` | ||
| @:@ |
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...urce/src/main/scala/org/typelevel/otel4s/sdk/contrib/aws/resource/AWSLambdaDetector.scala
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,104 @@ | ||
| /* | ||
| * Copyright 2024 Typelevel | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
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| package org.typelevel.otel4s.sdk.contrib.aws.resource | ||
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| import cats.Monad | ||
| import cats.effect.std.Env | ||
| import cats.syntax.flatMap._ | ||
| import cats.syntax.functor._ | ||
| import org.typelevel.otel4s.AttributeKey | ||
| import org.typelevel.otel4s.Attributes | ||
| import org.typelevel.otel4s.sdk.TelemetryResource | ||
| import org.typelevel.otel4s.sdk.resource.TelemetryResourceDetector | ||
| import org.typelevel.otel4s.semconv.SchemaUrls | ||
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| private class AWSLambdaDetector[F[_]: Env: Monad] | ||
| extends TelemetryResourceDetector[F] { | ||
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| import AWSLambdaDetector.Const | ||
| import AWSLambdaDetector.Keys | ||
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| def name: String = Const.Name | ||
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| def detect: F[Option[TelemetryResource]] = | ||
| for { | ||
| region <- Env[F].get("AWS_REGION") | ||
| functionName <- Env[F].get("AWS_LAMBDA_FUNCTION_NAME") | ||
| functionVersion <- Env[F].get("AWS_LAMBDA_FUNCTION_VERSION") | ||
| } yield build(region, functionName, functionVersion) | ||
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| private def build( | ||
| region: Option[String], | ||
| functionName: Option[String], | ||
| functionVersion: Option[String] | ||
| ): Option[TelemetryResource] = | ||
| Option.when(functionName.nonEmpty || functionVersion.nonEmpty) { | ||
| val builder = Attributes.newBuilder | ||
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| builder.addOne(Keys.CloudProvider, Const.CloudProvider) | ||
| builder.addOne(Keys.CloudPlatform, Const.CloudPlatform) | ||
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| region.foreach(r => builder.addOne(Keys.CloudRegion, r)) | ||
| functionName.foreach(name => builder.addOne(Keys.FaasName, name)) | ||
| functionVersion.foreach(v => builder.addOne(Keys.FaasVersion, v)) | ||
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| TelemetryResource(builder.result(), Some(SchemaUrls.Current)) | ||
| } | ||
| } | ||
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| object AWSLambdaDetector { | ||
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| private object Const { | ||
| val Name = "aws-lambda" | ||
| val CloudProvider = "aws" | ||
| val CloudPlatform = "aws_lambda" | ||
| } | ||
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| private object Keys { | ||
| val CloudProvider: AttributeKey[String] = AttributeKey("cloud.provider") | ||
| val CloudPlatform: AttributeKey[String] = AttributeKey("cloud.platform") | ||
| val CloudRegion: AttributeKey[String] = AttributeKey("cloud.region") | ||
| val FaasName: AttributeKey[String] = AttributeKey("faas.name") | ||
| val FaasVersion: AttributeKey[String] = AttributeKey("faas.version") | ||
| } | ||
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| /** The detector relies on the `AWS_REGION`, `AWS_LAMBDA_FUNCTION_NAME`, and | ||
| * `AWS_LAMBDA_FUNCTION_VERSION` environment variables to configure the | ||
| * telemetry resource. | ||
| * | ||
| * Either `AWS_LAMBDA_FUNCTION_NAME` or `AWS_LAMBDA_FUNCTION_VERSION` must be | ||
| * present. | ||
| * | ||
| * @example | ||
| * {{{ | ||
| * OpenTelemetrySdk | ||
| * .autoConfigured[IO]( | ||
| * // register OTLP exporters configurer | ||
| * _.addExportersConfigurer(OtlpExportersAutoConfigure[IO]) | ||
| * // register AWS Lambda detector | ||
| * .addResourceDetector(AWSLambdaDetector[IO]) | ||
| * ) | ||
| * .use { autoConfigured => | ||
| * val sdk = autoConfigured.sdk | ||
| * ??? | ||
| * } | ||
| * }}} | ||
| */ | ||
| def apply[F[_]: Env: Monad]: TelemetryResourceDetector[F] = | ||
| new AWSLambdaDetector[F] | ||
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| } |
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