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Change package name, port http4s (#22)
* Change package name, port http4s * Port http4s tests * Move dirs to match packages * format * Update readme --------- Co-authored-by: Keir Lawson <[email protected]>
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2 changes: 1 addition & 1 deletion
2
...ala/com/ovoenergy/meters4s/Reporter.scala → core/src/main/scala/meters4s/Reporter.scala
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,4 +1,4 @@ | ||
| package com.ovoenergy.meters4s | ||
| package meters4s | ||
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| import cats.effect.Sync | ||
| import cats.implicits._ | ||
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2 changes: 1 addition & 1 deletion
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...scala/com/ovoenergy/meters4s/syntax.scala → core/src/main/scala/meters4s/syntax.scala
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,4 +1,4 @@ | ||
| package com.ovoenergy.meters4s | ||
| package meters4s | ||
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| import scala.concurrent.duration._ | ||
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2 changes: 1 addition & 1 deletion
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...com/ovoenergy/meters4s/ReporterTest.scala → ...rc/test/scala/meters4s/ReporterTest.scala
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4 changes: 2 additions & 2 deletions
4
.../ovoenergy/meters4s/datadog/DataDog.scala → ...main/scala/meters4s/datadog/DataDog.scala
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,129 @@ | ||
| package meters4s.http4s | ||
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| import scala.concurrent.duration._ | ||
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| import cats.effect._ | ||
| import cats.syntax.all._ | ||
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| import org.http4s.metrics.TerminationType._ | ||
| import org.http4s.metrics.{MetricsOps, TerminationType} | ||
| import org.http4s.{Method, Status} | ||
| import meters4s.Reporter | ||
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| object Meters4s { | ||
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| private val TagsReg = """.*?\[([^\]]*)\]""".r | ||
| private val TagReg = """([^:]*)\s*:\s*(.*)""".r | ||
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| def apply[F[_]: Async]( | ||
| reporter: Reporter[F], | ||
| percentiles: Set[Double] = Set.empty | ||
| ): MetricsOps[F] = | ||
| new MetricsOps[F] { | ||
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| private def namespace(classifier: Option[String]): String = { | ||
| classifier | ||
| .map(_.takeWhile(_ != '[').trim) | ||
| .filter(_.nonEmpty) | ||
| .getOrElse("default") | ||
| } | ||
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| private def name(classifier: Option[String], key: String): String = | ||
| s"${namespace(classifier)}.$key" | ||
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| private def tags(classifier: Option[String]): Map[String, String] = { | ||
| classifier | ||
| .collect { | ||
| case TagsReg(tagsString) if tagsString.trim.nonEmpty => | ||
| tagsString | ||
| .split(",") | ||
| .collect { | ||
| case TagReg(key, value) => | ||
| Map(key -> value) | ||
| } | ||
| .reduce(_ ++ _) | ||
| } | ||
| .getOrElse(Map.empty) | ||
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| } | ||
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| def increaseActiveRequests(classifier: Option[String]): F[Unit] = | ||
| reporter | ||
| .gauge(name(classifier, "active-requests"), tags(classifier)) | ||
| .flatMap(_.increment) | ||
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| def decreaseActiveRequests(classifier: Option[String]): F[Unit] = | ||
| reporter | ||
| .gauge(name(classifier, "active-requests"), tags(classifier)) | ||
| .flatMap(_.decrement) | ||
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| def recordHeadersTime( | ||
| method: Method, | ||
| elapsed: Long, | ||
| classifier: Option[String] | ||
| ): F[Unit] = | ||
| reporter | ||
| .timer( | ||
| name(classifier, "response-headers-time"), | ||
| tags(classifier) ++ methodTags(method), | ||
| percentiles | ||
| ) | ||
| .flatMap(_.record(elapsed.nanos)) | ||
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| def recordAbnormalTermination( | ||
| elapsed: Long, | ||
| terminationType: TerminationType, | ||
| classifier: Option[String] | ||
| ): F[Unit] = { | ||
| val terminationTags = terminationType match { | ||
| case Abnormal(_) => "termination" -> "abnormal" | ||
| case Error(_) => "termination" -> "error" | ||
| case Canceled => "termination" -> "cancelled" | ||
| case Timeout => "termination" -> "timeout" | ||
| } | ||
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| recordResponseTime( | ||
| classifier, | ||
| tags(classifier) ++ Map(terminationTags), | ||
| elapsed | ||
| ) | ||
| } | ||
| def recordTotalTime( | ||
| method: Method, | ||
| status: Status, | ||
| elapsed: Long, | ||
| classifier: Option[String] | ||
| ): F[Unit] = { | ||
| val statusTags = status.responseClass match { | ||
| case Status.Informational => "status-code" -> "1xx" | ||
| case Status.Successful => "status-code" -> "2xx" | ||
| case Status.Redirection => "status-code" -> "3xx" | ||
| case Status.ClientError => "status-code" -> "4xx" | ||
| case Status.ServerError => "status-code" -> "5xx" | ||
| } | ||
| val allTags = tags(classifier) ++ | ||
| Map("termination" -> "normal", statusTags) ++ | ||
| methodTags(method) | ||
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| recordResponseTime( | ||
| classifier, | ||
| allTags, | ||
| elapsed | ||
| ) | ||
| } | ||
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| private def recordResponseTime( | ||
| classifier: Option[String], | ||
| tags: Map[String, String], | ||
| elapsed: Long | ||
| ): F[Unit] = | ||
| reporter | ||
| .timer(name(classifier, "response-time"), tags, percentiles) | ||
| .flatMap(_.record(elapsed.nanos)) | ||
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| private def methodTags(method: Method): Map[String, String] = Map( | ||
| "method" -> method.name.toLowerCase | ||
| ) | ||
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| } | ||
| } |
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