Add a timeout to the application

you can set the timeout via the java property, the value has to be a (Finite)Duration. example: -Dtimeout="10.seconds"

Author: Johann Egger

build.sbt

@@ -13,8 +13,9 @@ scalacOptions := Seq("-deprecation", "-feature", "-unchecked", "-Ywarn-adapted-a
 resolvers += "Bintray Typesafe Repo" at "http://dl.bintray.com/typesafe/maven-releases/"
 
 libraryDependencies ++= Seq(
-  "com.typesafe.play" %% "play-json" % "2.3.10",
-  "org.scalatest" %% "scalatest" % "2.2.4" % "test"
+  "com.typesafe.play" %% "play-json"  % "2.3.10",
+  "org.scalatest"     %% "scalatest"  % "2.2.4" % "test",
+  "com.typesafe.akka" %% "akka-actor" % "2.3.14"
 )
 
 organizationName := "Codacy"

src/main/scala/codacy/dockerApi/DockerEngine.scala

@@ -1,13 +1,31 @@
 package codacy.dockerApi
 
+import akka.actor.ActorSystem
 import codacy.dockerApi.DockerEnvironment._
 import play.api.libs.json.{Json, Writes}
 
-import scala.util.{Failure, Success}
+import scala.concurrent.ExecutionContext
+import scala.concurrent.duration._
+import scala.util.{Failure, Success, Try}
 
 abstract class DockerEngine(Tool: Tool) {
 
+  lazy val sys = ActorSystem("timeoutSystem")
+
+  def initTimeout(duration: FiniteDuration) = {
+    implicit val ct: ExecutionContext = sys.dispatcher
+    sys.scheduler.scheduleOnce(duration){
+      Runtime.getRuntime().halt(1)
+    }
+  }
+
+  lazy val timeout = Option(System.getProperty("timeout")).flatMap{ case rawDuration =>
+    Try(Duration(rawDuration)).toOption.collect{ case d:FiniteDuration => d }
+  }.getOrElse(30.minutes)
+
   def main(args: Array[String]): Unit = {
+    initTimeout(timeout)
+
     spec.flatMap { implicit spec =>
       config.flatMap { case maybeConfig =>
         //search for our config