diff options
Diffstat (limited to 'kamon-examples/kamon-scalatra-example/src')
7 files changed, 209 insertions, 0 deletions
diff --git a/kamon-examples/kamon-scalatra-example/src/main/resources/application.conf b/kamon-examples/kamon-scalatra-example/src/main/resources/application.conf new file mode 100644 index 00000000..263d4b27 --- /dev/null +++ b/kamon-examples/kamon-scalatra-example/src/main/resources/application.conf @@ -0,0 +1,19 @@ +############################### +# Kamon related configuration # +############################### + +kamon { + trace { + level = simple-trace + } + + metric { + filters { + trace.includes = [ "**" ] + } + } + + modules { + kamon-log-reporter.auto-start = yes + } +}
\ No newline at end of file diff --git a/kamon-examples/kamon-scalatra-example/src/main/resources/logback.xml b/kamon-examples/kamon-scalatra-example/src/main/resources/logback.xml new file mode 100644 index 00000000..2ff52fba --- /dev/null +++ b/kamon-examples/kamon-scalatra-example/src/main/resources/logback.xml @@ -0,0 +1,11 @@ +<configuration> + <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender"> + <encoder> + <pattern>%date{HH:mm:ss.SSS} %-5level [%thread] %logger{55} - %msg%n</pattern> + </encoder> + </appender> + + <root level="info"> + <appender-ref ref="STDOUT" /> + </root> +</configuration>
\ No newline at end of file diff --git a/kamon-examples/kamon-scalatra-example/src/main/scala/ScalatraBootstrap.scala b/kamon-examples/kamon-scalatra-example/src/main/scala/ScalatraBootstrap.scala new file mode 100644 index 00000000..9cfb0f42 --- /dev/null +++ b/kamon-examples/kamon-scalatra-example/src/main/scala/ScalatraBootstrap.scala @@ -0,0 +1,32 @@ +/* + * ========================================================================================= + * 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. + * ========================================================================================= + */ + +import javax.servlet.ServletContext + +import kamon.Kamon +import kamon.example.KamonServlet +import org.scalatra.LifeCycle + +class ScalatraBootstrap extends LifeCycle { + override def init(context: ServletContext):Unit = { + Kamon.start() + context.mount(new KamonServlet(), "/kamon") + } + + override def destroy(context: ServletContext): Unit = { + Kamon.shutdown() + } +}
\ No newline at end of file diff --git a/kamon-examples/kamon-scalatra-example/src/main/scala/kamon/example/EmbeddedServer.scala b/kamon-examples/kamon-scalatra-example/src/main/scala/kamon/example/EmbeddedServer.scala new file mode 100644 index 00000000..473e2b17 --- /dev/null +++ b/kamon-examples/kamon-scalatra-example/src/main/scala/kamon/example/EmbeddedServer.scala @@ -0,0 +1,39 @@ +/* + * ========================================================================================= + * 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 kamon.example + +import org.eclipse.jetty.server.Server +import org.eclipse.jetty.webapp.WebAppContext + +object EmbeddedServer extends App { + val server = new Server(8080) + val context: WebAppContext = new WebAppContext() + + context.setServer(server) + context.setContextPath("/") + context.setWar("src/webapp") + server.setHandler(context) + + try { + server.start() + server.join() + } catch { + case e: Exception => + e.printStackTrace() + System.exit(1) + } +} diff --git a/kamon-examples/kamon-scalatra-example/src/main/scala/kamon/example/KamonServlet.scala b/kamon-examples/kamon-scalatra-example/src/main/scala/kamon/example/KamonServlet.scala new file mode 100644 index 00000000..4784e22d --- /dev/null +++ b/kamon-examples/kamon-scalatra-example/src/main/scala/kamon/example/KamonServlet.scala @@ -0,0 +1,65 @@ +/* + * ========================================================================================= + * 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 kamon.example + +import dispatch._ +import org.scalatra.{FutureSupport, ScalatraServlet} + +import scala.concurrent.{ExecutionContext, Future, Promise} +import scala.util.{Failure, Random, Success, Try} + +class KamonServlet extends ScalatraServlet with KamonSupport with FutureSupport { + + implicit val executor: ExecutionContext = ExecutionContext.Implicits.global + + get("/async") { + traceFuture("retrievePage") { + Future { + HttpClient.retrievePage() + } + } + } + + get("/time") { + time("time") { + Thread.sleep(Random.nextInt(100)) + } + } + + get("/minMaxCounter") { + minMaxCounter("minMaxCounter").increment() + } + + get("/counter") { + counter("counter").increment() + } + + get("/histogram") { + histogram("histogram").record(Random.nextInt(10)) + } +} + +object HttpClient { + def retrievePage()(implicit ctx: ExecutionContext): Future[String] = { + val prom = Promise[String]() + dispatch.Http(url("http://slashdot.org/") OK as.String) onComplete { + case Success(content) => prom.complete(Try(content)) + case Failure(exception) => println(exception) + } + prom.future + } +} diff --git a/kamon-examples/kamon-scalatra-example/src/main/scala/kamon/example/KamonSupport.scala b/kamon-examples/kamon-scalatra-example/src/main/scala/kamon/example/KamonSupport.scala new file mode 100644 index 00000000..f0ba7b2d --- /dev/null +++ b/kamon-examples/kamon-scalatra-example/src/main/scala/kamon/example/KamonSupport.scala @@ -0,0 +1,34 @@ +/* + * ========================================================================================= + * 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 kamon.example + +import kamon.Kamon +import kamon.trace.Tracer +import kamon.util.{SameThreadExecutionContext, Latency} + +import scala.concurrent.Future + +trait KamonSupport { + def counter(name: String) = Kamon.metrics.counter(name) + def minMaxCounter(name: String) = Kamon.metrics.minMaxCounter(name) + def histogram(name: String) = Kamon.metrics.histogram(name) + def gauge[A](name: String)(thunk: => Long) = Kamon.metrics.gauge(name)(thunk) + def time[A](name: String)(thunk: => A) = Latency.measure(Kamon.metrics.histogram(name))(thunk) + def traceFuture[A](name:String)(future: => Future[A]):Future[A] = Tracer.withContext(Kamon.tracer.newContext(name)) { + future.andThen { case completed ⇒ Tracer.currentContext.finish() }(SameThreadExecutionContext) + } +} diff --git a/kamon-examples/kamon-scalatra-example/src/webapp/WEB-INF/web.xml b/kamon-examples/kamon-scalatra-example/src/webapp/WEB-INF/web.xml new file mode 100644 index 00000000..552a01f5 --- /dev/null +++ b/kamon-examples/kamon-scalatra-example/src/webapp/WEB-INF/web.xml @@ -0,0 +1,9 @@ + +<web-app xmlns="http://java.sun.com/xml/ns/javaee" + xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" + xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" + version="3.0"> + <listener> + <listener-class>org.scalatra.servlet.ScalatraListener</listener-class> + </listener> +</web-app> |