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feat(prism-agent): add http metrics (#585)
* First working version of unified metrics from different sources * Fix test compilations * Reractor ZHttp4sBlazeServer to catch all errors * format
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3 changes: 2 additions & 1 deletion
3
...x/lib/core/src/main/scala/io/iohk/atala/pollux/core/service/HttpURIDereferencerImpl.scala
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75 changes: 75 additions & 0 deletions
75
...nt/service/server/src/main/scala/io/iohk/atala/agent/server/http/ZHttp4sBlazeServer.scala
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,75 @@ | ||
| package io.iohk.atala.agent.server.http | ||
|
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| import io.iohk.atala.api.http.ErrorResponse | ||
| import io.iohk.atala.system.controller.SystemEndpoints | ||
| import io.micrometer.prometheus.PrometheusMeterRegistry | ||
| import org.http4s.* | ||
| import org.http4s.blaze.server.BlazeServerBuilder | ||
| import org.http4s.server.Router | ||
| import sttp.tapir.* | ||
| import sttp.tapir.server.http4s.Http4sServerOptions | ||
| import sttp.tapir.server.http4s.ztapir.ZHttp4sServerInterpreter | ||
| import sttp.tapir.server.metrics.prometheus.PrometheusMetrics | ||
| import sttp.tapir.ztapir.ZServerEndpoint | ||
| import zio.* | ||
| import zio.interop.catz.* | ||
|
|
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| class ZHttp4sBlazeServer(micrometerRegistry: PrometheusMeterRegistry) { | ||
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| private val tapirPrometheusMetricsZIO: Task[PrometheusMetrics[Task]] = ZIO.attempt { | ||
| PrometheusMetrics.default[Task](registry = micrometerRegistry.getPrometheusRegistry) | ||
| } | ||
|
|
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| private val serverOptionsZIO: ZIO[PrometheusMetrics[Task], Throwable, Http4sServerOptions[Task]] = for { | ||
| srv <- ZIO.service[PrometheusMetrics[Task]] | ||
| options <- ZIO.attempt { | ||
| Http4sServerOptions | ||
| .customiseInterceptors[Task] | ||
| .defaultHandlers(ErrorResponse.failureResponseHandler) | ||
| .metricsInterceptor( | ||
| srv.metricsInterceptor( | ||
| ignoreEndpoints = Seq(SystemEndpoints.metrics) | ||
| ) | ||
| ) | ||
| .options | ||
| } | ||
| } yield options | ||
|
|
||
| def start( | ||
| endpoints: List[ZServerEndpoint[Any, Any]], | ||
| port: Int | ||
| ): Task[ExitCode] = { | ||
|
|
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| val serve = for { | ||
| metrics <- tapirPrometheusMetricsZIO | ||
| options <- serverOptionsZIO.provide(ZLayer.succeed(metrics)) | ||
| serve <- ZIO.attempt { | ||
| val http4sEndpoints: HttpRoutes[Task] = | ||
| ZHttp4sServerInterpreter(options) | ||
| .from(endpoints) | ||
| .toRoutes | ||
|
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| ZIO.executor.flatMap(executor => | ||
| BlazeServerBuilder[Task] | ||
| .withExecutionContext(executor.asExecutionContext) | ||
| .bindHttp(port, "0.0.0.0") | ||
| .withHttpApp(Router("/" -> http4sEndpoints).orNotFound) | ||
| .serve | ||
| .compile | ||
| .drain | ||
| ) | ||
| } | ||
| } yield serve | ||
|
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| serve.flatten.exitCode | ||
| } | ||
| } | ||
|
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| object ZHttp4sBlazeServer { | ||
| def make: URIO[PrometheusMeterRegistry, ZHttp4sBlazeServer] = { | ||
| for { | ||
| micrometerRegistry <- ZIO.service[PrometheusMeterRegistry] | ||
| zHttp4sBlazeServer = ZHttp4sBlazeServer(micrometerRegistry) | ||
| } yield zHttp4sBlazeServer | ||
| } | ||
| } |
42 changes: 0 additions & 42 deletions
42
prism-agent/service/server/src/main/scala/io/iohk/atala/agent/server/http/ZHttpServer.scala
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