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author | Diego <diegolparra@gmail.com> | 2015-11-29 01:30:14 -0300 |
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committer | Diego <diegolparra@gmail.com> | 2015-12-09 13:32:50 -0300 |
commit | 68b3a96057a8cc93c0406f139b2bf9a91572cff5 (patch) | |
tree | 3d6f7891d4c0604c85f088be9905e25f3e9e7b70 /kamon-core/src/main/scala/kamon | |
parent | a9b9261aa17968df385dde29e9fe0e7eff5d370b (diff) | |
download | Kamon-68b3a96057a8cc93c0406f139b2bf9a91572cff5.tar.gz Kamon-68b3a96057a8cc93c0406f139b2bf9a91572cff5.tar.bz2 Kamon-68b3a96057a8cc93c0406f139b2bf9a91572cff5.zip |
+ kamon-autoweave: this new module allow attach the AspectJ loadtime weaving agent to a JVM after it has started (you don't need to use -javaagent). This offers extra flexibility but obviously any classes loaded before attachment will not be woven.
Diffstat (limited to 'kamon-core/src/main/scala/kamon')
-rw-r--r-- | kamon-core/src/main/scala/kamon/Kamon.scala | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/kamon-core/src/main/scala/kamon/Kamon.scala b/kamon-core/src/main/scala/kamon/Kamon.scala index 4476de22..f1674f57 100644 --- a/kamon-core/src/main/scala/kamon/Kamon.scala +++ b/kamon-core/src/main/scala/kamon/Kamon.scala @@ -16,13 +16,14 @@ package kamon import _root_.akka.actor import _root_.akka.actor._ +import _root_.scala.util.{ Success, Failure, Try } import com.typesafe.config.{ Config, ConfigFactory } import kamon.metric._ import kamon.trace.TracerModuleImpl import kamon.util.logger.LazyLogger object Kamon { - private val log = LazyLogger(getClass) + private val log = LazyLogger("Kamon") trait Extension extends actor.Extension @@ -40,6 +41,8 @@ object Kamon { log.info("Initializing Kamon...") + tryLoadAutoweaveModule() + ActorSystem("kamon", patchedConfig) } @@ -55,6 +58,19 @@ object Kamon { _system.shutdown() } + private def tryLoadAutoweaveModule(): Unit = { + val color = (msg:String) => s"""\u001B[32m${msg}\u001B[0m""" + + log.info("Trying to load kamon-autoweave...") + + Try(Class.forName("kamon.autoweave.Autoweave$")) match { + case Success(_) ⇒ + log.info(color("Kamon-autoweave has been successfully loaded.")) + log.info(color("The AspectJ loadtime weaving agent is now attached to the JVM (you don't need to use -javaagent).")) + case Failure(reason) ⇒ log.info(s"Kamon-autoweave failed to load. Reason: we have not found the ${reason.getMessage} class in the classpath.") + } + } + private def resolveConfiguration: Config = { val defaultConfig = ConfigFactory.load() |