Add lambda-otel4s module #459
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| Original file line number | Diff line number | Diff line change |
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| /* | ||
| * Copyright 2021 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 feral.examples | ||
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| import cats.Monad | ||
| import cats.effect.IO | ||
| import cats.syntax.all._ | ||
| import feral.lambda.INothing | ||
| import feral.lambda.IOLambda | ||
| import feral.lambda.Invocation | ||
| import feral.lambda.events.SqsEvent | ||
| import feral.lambda.events.SqsRecord | ||
| import feral.lambda.otel4s._ | ||
| import org.http4s.client.Client | ||
| import org.http4s.ember.client.EmberClientBuilder | ||
| import org.typelevel.otel4s.oteljava.OtelJava | ||
| import org.typelevel.otel4s.trace.Tracer | ||
| import org.typelevel.scalaccompat.annotation.unused | ||
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| object SqsOtelExample extends IOLambda[SqsEvent, INothing] { | ||
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| // Could be http4s-otel4s-middleware ClientMiddleware for example | ||
| def clientMiddleware(client: Client[IO]): Client[IO] = client | ||
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| def handler = | ||
| OtelJava.autoConfigured[IO]().map(_.tracerProvider).evalMap(_.get("tracer")).flatMap { | ||
| implicit tracer: Tracer[IO] => | ||
| for { | ||
| client <- EmberClientBuilder.default[IO].build | ||
| tracedClient = clientMiddleware(client) | ||
| } yield { implicit inv: Invocation[IO, SqsEvent] => | ||
| TracedHandler[IO, SqsEvent, INothing]( | ||
| handleEvent[IO](tracedClient) | ||
| ) | ||
| } | ||
| } | ||
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| def handleEvent[F[_]: Monad: Tracer]( | ||
| @unused client: Client[F] | ||
| )(implicit inv: Invocation[F, SqsEvent]): F[Option[INothing]] = inv.event.flatMap { event => | ||
| event | ||
| .records | ||
| .traverse(record => | ||
| Tracer[F].span("handle-record", SqsRecordAttributes(record)).surround { | ||
| handleRecord[F](record) | ||
| }) | ||
| .as(None) | ||
| } | ||
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| def handleRecord[F[_]: Monad: Tracer](@unused record: SqsRecord): F[Unit] = { | ||
| Tracer[F].span("some-operation").surround { | ||
| Monad[F].unit | ||
| } | ||
| } | ||
|
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| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,59 @@ | ||
| /* | ||
| * Copyright 2021 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 feral.lambda.natchez | ||
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| import feral.lambda.events.ApiGatewayProxyEvent | ||
| import feral.lambda.events.ApiGatewayProxyEventV2 | ||
| import feral.lambda.events.DynamoDbStreamEvent | ||
| import feral.lambda.events.KinesisStreamEvent | ||
| import feral.lambda.events.S3BatchEvent | ||
| import feral.lambda.events.SqsRecordAttributes | ||
| import natchez.Kernel | ||
| import org.typelevel.ci._ | ||
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| trait KernelSource[Event] { | ||
| def extract(event: Event): Kernel | ||
| } | ||
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| object KernelSource { | ||
| @inline def apply[E](implicit ev: KernelSource[E]): ev.type = ev | ||
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| def emptyKernelSource[E]: KernelSource[E] = _ => Kernel(Map.empty) | ||
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| private[this] val `X-Amzn-Trace-Id` = ci"X-Amzn-Trace-Id" | ||
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| implicit def apiGatewayProxyEvent: KernelSource[ApiGatewayProxyEvent] = | ||
| e => Kernel(e.headers.getOrElse(Map.empty)) | ||
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| implicit def apiGatewayProxyEventV2: KernelSource[ApiGatewayProxyEventV2] = | ||
| e => Kernel(e.headers) | ||
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| implicit def sqsRecordAttributes: KernelSource[SqsRecordAttributes] = | ||
| a => Kernel(a.awsTraceHeader.map(`X-Amzn-Trace-Id` -> _).toMap) | ||
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| implicit def s3BatchEvent: KernelSource[S3BatchEvent] = KernelSource.emptyKernelSource | ||
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| @deprecated( | ||
| "See feral.lambda.events.KinesisStreamEvent deprecation", | ||
| since = "0.3.0" | ||
| ) | ||
| implicit def kinesisStreamEvent: KernelSource[KinesisStreamEvent] = | ||
| KernelSource.emptyKernelSource | ||
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| implicit def dynamoDbStreamEvent: KernelSource[DynamoDbStreamEvent] = | ||
| KernelSource.emptyKernelSource | ||
| } |
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@iRevive should we be concerned?Gah, it'sTest, I'm sorry. It's all fine :)