jaeger-scala-support provide trace feature support for scala frameworks via Jaeger

sbt usage

"io.github.reinno" %% "akka-jaeger-client" % <latest-version>

Integrations

Akka-Http

simple case

import io.github.reinno.AkkaHttpTraceDirectives

trait ExampleRoutes extends AkkaHttpTraceDirectives {
  override implicit val exec: ExecutionContext = system.dispatcher
  
  val exampleRoutes: Route = withTrace() {
    pathPrefix("hello") {
      pathEnd {
        get {
          complete("hello world")
        }
      }
    }  
  }
}

complete case

import io.github.reinno.AkkaHttpTraceDirectives

trait ExampleRoutes extends AkkaHttpTraceDirectives {
  override implicit val exec: ExecutionContext = system.dispatcher
  override protected lazy val tracer: Tracer = TraceSupport.defaultTracer("example")
  
  val exampleRoutes: Route = withTraceContext() {
    traceCtx => {
      pathPrefix("hellow") {
        pathEnd {
          get {
            complete("hello world")
          }
        }
      }
    }
  }
}

start example

prerequest

install docker

start jaeger locally

docker run -d -e \
  COLLECTOR_ZIPKIN_HTTP_PORT=9411 \
  -p 5775:5775/udp \
  -p 6831:6831/udp \
  -p 6832:6832/udp \
  -p 5778:5778 \
  -p 16686:16686 \
  -p 14268:14268 \
  -p 9411:9411 \
  jaegertracing/all-in-one:latest

publish client to local

sbt "project client" publishLocal
sbt "project akka-http-client" publishLocal
sbt "project spray-client" publishLocal

start example A(akka-http)

sbt "project akka-http-example" run

start example B(spray)

sbt "project spray-example" run

test example

curl localhost:9001/users
curl localhost:9002/users

check dashboard

open http://localhost:16686/search check traces