pekko/akka-cluster/src/multi-jvm/scala/akka/cluster/ClientDowningNodeThatIsUnreachableSpec.scala

/**
 *  Copyright (C) 2009-2012 Typesafe Inc. <http://www.typesafe.com>
 */
package akka.cluster

import com.typesafe.config.ConfigFactory
import akka.remote.testkit.MultiNodeConfig
import akka.remote.testkit.MultiNodeSpec
import akka.testkit._
import akka.actor.Address

object ClientDowningNodeThatIsUnreachableMultiJvmSpec extends MultiNodeConfig {
  val first = role("first")
  val second = role("second")
  val third = role("third")
  val fourth = role("fourth")

  commonConfig(debugConfig(on = false).withFallback(MultiNodeClusterSpec.clusterConfig))
}

class ClientDowningNodeThatIsUnreachableMultiJvmNode1 extends ClientDowningNodeThatIsUnreachableSpec
class ClientDowningNodeThatIsUnreachableMultiJvmNode2 extends ClientDowningNodeThatIsUnreachableSpec
class ClientDowningNodeThatIsUnreachableMultiJvmNode3 extends ClientDowningNodeThatIsUnreachableSpec
class ClientDowningNodeThatIsUnreachableMultiJvmNode4 extends ClientDowningNodeThatIsUnreachableSpec

class ClientDowningNodeThatIsUnreachableSpec
  extends MultiNodeSpec(ClientDowningNodeThatIsUnreachableMultiJvmSpec)
  with MultiNodeClusterSpec {

  import ClientDowningNodeThatIsUnreachableMultiJvmSpec._

  override def initialParticipants = 4

  "Client of a 4 node cluster" must {

    "be able to DOWN a node that is UNREACHABLE (killed)" taggedAs LongRunningTest in {
      runOn(first) {
        startClusterNode()
        awaitUpConvergence(numberOfMembers = 4)

        val thirdAddress = node(third).address
        testConductor.enter("all-up")

        // kill 'third' node
        testConductor.shutdown(third, 0)

        // mark 'third' node as DOWN
        cluster.down(thirdAddress)
        testConductor.enter("down-third-node")

        awaitUpConvergence(numberOfMembers = 3, canNotBePartOfMemberRing = Seq(thirdAddress))
        cluster.latestGossip.members.exists(_.address == thirdAddress) must be(false)
        testConductor.enter("await-completion")
      }

      runOn(third) {
        cluster.join(node(first).address)

        awaitUpConvergence(numberOfMembers = 4)
        testConductor.enter("all-up")
      }

      runOn(second, fourth) {
        cluster.join(node(first).address)
        awaitUpConvergence(numberOfMembers = 4)

        val thirdAddress = node(third).address
        testConductor.enter("all-up")

        testConductor.enter("down-third-node")

        awaitUpConvergence(numberOfMembers = 3, canNotBePartOfMemberRing = Seq(thirdAddress))
        testConductor.enter("await-completion")
      }
    }
  }
}