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/* ===================================================
* Copyright © 2013-2015 the kamon project <http://kamon.io/>
*
* 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.
* ========================================================== */
package controllers
import filters.{TraceLocalContainer, TraceLocalKey}
import kamon.Kamon
import kamon.play.action.TraceName
import kamon.trace.TraceLocal
import play.api.Logger
import play.api.libs.concurrent.Execution.Implicits.defaultContext
import play.api.mvc.{Action, Controller}
import play.libs.Akka
import scala.concurrent._
/**
* Run the following commands from console:
*
* aspectj-runner:run
*
* and finally testing:
*
* curl -i -H 'X-Trace-Token:kamon-test' -H 'MyTraceLocalStorageKey:extra-header' -X GET "http://localhost:9000/helloKamon"
*
* we should get:
* HTTP/1.1 200 OK
* Content-Type: text/plain; charset=utf-8
* MyTraceLocalStorageKey: extra-header -> Extra Information
* X-Trace-Token: kamon-test -> default Trace-Token
*
* Say hello to Kamon
**/
object KamonPlayExample extends Controller {
val logger = Logger(this.getClass)
val counter = Kamon.metrics.counter("my-counter")
def sayHello = Action.async {
Future {
logger.info("Say hello to Kamon")
Ok("Say hello to Kamon")
}
}
//using the Kamon TraceName Action to rename the trace name in metrics
def sayHelloWithTraceName = TraceName("my-trace-name") {
Action.async {
Future {
logger.info("Say hello to Kamon with trace name")
Ok("Say hello to Kamon with trace name")
}
}
}
def incrementCounter = Action.async {
Future {
logger.info("increment")
counter.increment()
Ok("increment")
}
}
def updateTraceLocal = Action.async {
Future {
TraceLocal.store(TraceLocalKey)(TraceLocalContainer("MyTraceToken","MyImportantHeader"))
logger.info("storeInTraceLocal")
Ok("storeInTraceLocal")
}
}
}
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