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Publish AddressTerminated after a member is Downed/Removed, see #2779

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* Instead of when unreachable

* Note that ClusterRouterConfig is not changed, i.e. routees will be removed
  when unreachable
* Routers that are not wrapped by ClusterRouterConfig will watch as usual, i.e.
  remove routees when Terminated, i.e. node down
This commit is contained in:
Patrik Nordwall 2012-12-10 15:10:40 +01:00
parent fa3a5c97de
commit 1cd3a05f41
3 changed files with 23 additions and 6 deletions
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3
akka-actor/src/main/scala/akka/actor/Actor.scala
View file

@ -82,7 +82,8 @@ case class Terminated private[akka] (@BeanProperty actor: ActorRef)(
* INTERNAL API
*
* Used for remote death watch. Failure detector publish this to the
* `eventStream` when a remote node is detected to be unreachable.
* `eventStream` when a remote node is detected to be unreachable and/or decided to
* be removed.
* The watcher ([[akka.actor.DeathWatch]]) subscribes to the `eventStream`
* and translates this event to [[akka.actor.Terminated]], which is sent itself.
*/

11
akka-cluster/src/main/scala/akka/cluster/ClusterEvent.scala
View file

@ -296,9 +296,16 @@ private[cluster] final class ClusterDomainEventPublisher extends Actor with Acto
}
publish(event)
case MemberUnreachable(m) ⇒
case MemberDowned(m) ⇒
// TODO this case might be collapsed with MemberRemoved, see ticket #2788
// but right now we don't change Downed to Removed
publish(event)
// notify DeathWatch about unreachable node
// notify DeathWatch about downed node
publish(AddressTerminated(m.address))
case MemberRemoved(m) ⇒
publish(event)
// notify DeathWatch about removed node
publish(AddressTerminated(m.address))
case _ ⇒

15
akka-cluster/src/multi-jvm/scala/akka/cluster/ClusterDeathWatchSpec.scala
View file

@ -3,6 +3,8 @@
*/
package akka.cluster
import language.postfixOps
import scala.concurrent.duration._
import com.typesafe.config.ConfigFactory
import org.scalatest.BeforeAndAfter
import akka.remote.testkit.MultiNodeConfig
@ -54,7 +56,7 @@ abstract class ClusterDeathWatchSpec
}
"An actor watching a remote actor in the cluster" must {
"receive Terminated when watched node becomes unreachable" taggedAs LongRunningTest in {
"receive Terminated when watched node becomes Down" taggedAs LongRunningTest in within(20 seconds) {
awaitClusterUp(roles: _*)
enterBarrier("cluster-up")
@ -76,10 +78,12 @@ abstract class ClusterDeathWatchSpec
watchEstablished.await
enterBarrier("watch-established")
expectMsg(path2)
expectNoMsg
expectNoMsg(2 seconds)
enterBarrier("second-terminated")
markNodeAsUnavailable(third)
awaitCond(clusterView.unreachableMembers.exists(_.address == address(third)))
cluster.down(third)
expectMsg(path3)
enterBarrier("third-terminated")
@ -91,6 +95,8 @@ abstract class ClusterDeathWatchSpec
enterBarrier("watch-established")
runOn(third) {
markNodeAsUnavailable(second)
awaitCond(clusterView.unreachableMembers.exists(_.address == address(second)))
cluster.down(second)
}
enterBarrier("second-terminated")
enterBarrier("third-terminated")
@ -132,7 +138,7 @@ abstract class ClusterDeathWatchSpec
enterBarrier("after-3")
}
"be able to shutdown system when using remote deployed actor on node that crash" taggedAs LongRunningTest in {
"be able to shutdown system when using remote deployed actor on node that crash" taggedAs LongRunningTest in within(20 seconds) {
runOn(fourth) {
val hello = system.actorOf(Props[Hello], "hello")
hello.isInstanceOf[RemoteActorRef] must be(true)
@ -141,6 +147,9 @@ abstract class ClusterDeathWatchSpec
enterBarrier("hello-deployed")
markNodeAsUnavailable(first)
awaitCond(clusterView.unreachableMembers.exists(_.address == address(first)))
cluster.down(first)
val t = expectMsgType[Terminated]
t.actor must be(hello)