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Diffstat (limited to 'kamon-examples/kamon-play-2.4.x-example/app/controllers/KamonPlayExample.scala')
-rw-r--r-- | kamon-examples/kamon-play-2.4.x-example/app/controllers/KamonPlayExample.scala | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/kamon-examples/kamon-play-2.4.x-example/app/controllers/KamonPlayExample.scala b/kamon-examples/kamon-play-2.4.x-example/app/controllers/KamonPlayExample.scala new file mode 100644 index 00000000..d6b0f771 --- /dev/null +++ b/kamon-examples/kamon-play-2.4.x-example/app/controllers/KamonPlayExample.scala @@ -0,0 +1,93 @@ +/* =================================================== + * Copyright © 2013-2014 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 javax.inject._ + +import scala.concurrent._ + +/** + * In order to run the example we need set the -javaagent option to the JVM, but Play have some limitations when trying to set an + * java agent in Play dev mode (ie, play run) -> https://github.com/playframework/playframework/issues/1372, so we have others options: + * + * The first option is set -javaagent: path-to-aspectj-weaver in your IDE or + * + * Run the following commands from console: + * + * 1- play stage + * 2- cd target/universal/stage + * 3- java -cp ".:lib/*" -javaagent:lib/org.aspectj.aspectjweaver-1.8.1.jar play.core.server.NettyServer + * + * and finally for test: + * + * 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 + */*/ + + +class 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") + } + } +} |