+ kamon-examples: include kamon-scalatra-example

11 files changed, 304 insertions, 0 deletions

diff --git a/kamon-examples/kamon-scalatra-example/project/AspectJ.scala b/kamon-examples/kamon-scalatra-example/project/AspectJ.scala
new file mode 100644
index 00000000..aea313a0
--- /dev/null
+++ b/kamon-examples/kamon-scalatra-example/project/AspectJ.scala
@@ -0,0 +1,28 @@
+/*
+ * =========================================================================================
+ * 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 com.typesafe.sbt.SbtAspectj.Aspectj
+import com.typesafe.sbt.SbtAspectj.AspectjKeys._
+import sbt.Keys._
+
+object AspectJ {
+  lazy val aspectjSettings = Seq(
+    // fork the run so that javaagent option can be added
+    fork in run := true,
+    // add the aspectj weaver javaagent option
+    javaOptions in run <++= weaverOptions in Aspectj
+  )
+}
diff --git a/kamon-examples/kamon-scalatra-example/project/Build.scala b/kamon-examples/kamon-scalatra-example/project/Build.scala
new file mode 100644
index 00000000..686b53ab
--- /dev/null
+++ b/kamon-examples/kamon-scalatra-example/project/Build.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.
+ * =========================================================================================
+ */
+
+import com.typesafe.sbt.SbtAspectj.aspectjSettings
+import sbt.Keys._
+import sbt._
+
+object Build extends Build {
+
+  val appName         = "Kamon-Scalatra-Example"
+  val appVersion      = "1.0-SNAPSHOT"
+
+  val resolutionRepos = Seq(
+      "Typesafe repository" at "http://repo.typesafe.com/typesafe/releases/",
+      "Sonatype Snapshots" at "https://oss.sonatype.org/content/repositories/snapshots",
+      "Sonatype Releases" at "https://oss.sonatype.org/content/repositories/releases",
+      "Kamon Repository Snapshots" at "http://snapshots.kamon.io"
+    )
+
+  val defaultSettings = Seq(
+      scalaVersion := "2.11.6",
+      resolvers ++= resolutionRepos,
+      scalacOptions := Seq(
+        "-encoding",
+        "utf8",
+        "-g:vars",
+        "-feature",
+        "-unchecked",
+        "-deprecation",
+        "-target:jvm-1.6",
+        "-language:postfixOps",
+        "-language:implicitConversions",
+        "-Xlog-reflective-calls"
+      ))
+
+  val kamonVersion = "0.4.0"
+
+  val dependencies = Seq(
+    "io.kamon"    	          %% "kamon-core"           	  % kamonVersion,
+    "io.kamon"    	          %% "kamon-scala"         	    % kamonVersion,
+    "io.kamon"    	          %% "kamon-log-reporter"   	  % kamonVersion,
+    "net.databinder.dispatch" %% "dispatch-core"            % "0.11.1",
+    "org.scalatra" 	          %% "scalatra" 			          % "2.4.0-SNAPSHOT",
+    "ch.qos.logback"          %  "logback-classic"          % "1.1.1"               % "runtime",
+    "org.eclipse.jetty"       %  "jetty-webapp"             % "9.1.3.v20140225"     % "compile;runtime;",
+    "org.eclipse.jetty.orbit" %  "javax.servlet"            % "3.0.0.v201112011016" % "runtime;provided;test" artifacts Artifact("javax.servlet", "jar", "jar")
+    )
+
+  val main = Project(appName, file(".")).settings(libraryDependencies ++= dependencies)
+                                        .settings(defaultSettings: _*)
+                                        .settings(aspectjSettings ++ AspectJ.aspectjSettings)
+}
diff --git a/kamon-examples/kamon-scalatra-example/project/build.properties b/kamon-examples/kamon-scalatra-example/project/build.properties
new file mode 100644
index 00000000..a6e117b6
--- /dev/null
+++ b/kamon-examples/kamon-scalatra-example/project/build.properties
@@ -0,0 +1 @@
+sbt.version=0.13.8
diff --git a/kamon-examples/kamon-scalatra-example/project/plugins.sbt b/kamon-examples/kamon-scalatra-example/project/plugins.sbt
new file mode 100644
index 00000000..e236b19d
--- /dev/null
+++ b/kamon-examples/kamon-scalatra-example/project/plugins.sbt
@@ -0,0 +1 @@
+addSbtPlugin("com.typesafe.sbt" % "sbt-aspectj" % "0.10.1")
\ No newline at end of file
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>