pekko/akka-cluster/src/multi-jvm/scala/akka/cluster/ConvergenceSpec.scala
2017-01-24 12:31:32 +01:00

114 lines
3.9 KiB
Scala

/**
* Copyright (C) 2009-2017 Lightbend Inc. <http://www.lightbend.com>
*/
package akka.cluster
import language.postfixOps
import com.typesafe.config.ConfigFactory
import akka.remote.testkit.MultiNodeConfig
import akka.remote.testkit.MultiNodeSpec
import akka.testkit._
import scala.concurrent.duration._
import akka.actor.Address
final case class ConvergenceMultiNodeConfig(failureDetectorPuppet: Boolean) extends MultiNodeConfig {
val first = role("first")
val second = role("second")
val third = role("third")
val fourth = role("fourth")
commonConfig(debugConfig(on = false).
withFallback(ConfigFactory.parseString("""
akka.cluster.failure-detector.threshold = 4
akka.cluster.allow-weakly-up-members = off
""")).
withFallback(MultiNodeClusterSpec.clusterConfig(failureDetectorPuppet)))
}
class ConvergenceWithFailureDetectorPuppetMultiJvmNode1 extends ConvergenceSpec(failureDetectorPuppet = true)
class ConvergenceWithFailureDetectorPuppetMultiJvmNode2 extends ConvergenceSpec(failureDetectorPuppet = true)
class ConvergenceWithFailureDetectorPuppetMultiJvmNode3 extends ConvergenceSpec(failureDetectorPuppet = true)
class ConvergenceWithFailureDetectorPuppetMultiJvmNode4 extends ConvergenceSpec(failureDetectorPuppet = true)
class ConvergenceWithAccrualFailureDetectorMultiJvmNode1 extends ConvergenceSpec(failureDetectorPuppet = false)
class ConvergenceWithAccrualFailureDetectorMultiJvmNode2 extends ConvergenceSpec(failureDetectorPuppet = false)
class ConvergenceWithAccrualFailureDetectorMultiJvmNode3 extends ConvergenceSpec(failureDetectorPuppet = false)
class ConvergenceWithAccrualFailureDetectorMultiJvmNode4 extends ConvergenceSpec(failureDetectorPuppet = false)
abstract class ConvergenceSpec(multiNodeConfig: ConvergenceMultiNodeConfig)
extends MultiNodeSpec(multiNodeConfig)
with MultiNodeClusterSpec {
def this(failureDetectorPuppet: Boolean) = this(ConvergenceMultiNodeConfig(failureDetectorPuppet))
import multiNodeConfig._
muteMarkingAsUnreachable()
"A cluster of 3 members" must {
"reach initial convergence" taggedAs LongRunningTest in {
awaitClusterUp(first, second, third)
runOn(fourth) {
// doesn't join immediately
}
enterBarrier("after-1")
}
"not reach convergence while any nodes are unreachable" taggedAs LongRunningTest in {
val thirdAddress = address(third)
enterBarrier("before-shutdown")
runOn(first) {
// kill 'third' node
testConductor.exit(third, 0).await
markNodeAsUnavailable(thirdAddress)
}
runOn(first, second) {
within(28 seconds) {
// third becomes unreachable
awaitAssert(clusterView.unreachableMembers.size should ===(1))
awaitSeenSameState(first, second)
// still one unreachable
clusterView.unreachableMembers.size should ===(1)
clusterView.unreachableMembers.head.address should ===(thirdAddress)
clusterView.members.size should ===(3)
}
}
enterBarrier("after-2")
}
"not move a new joining node to Up while there is no convergence" taggedAs LongRunningTest in {
runOn(fourth) {
// try to join
cluster.join(first)
}
def memberStatus(address: Address): Option[MemberStatus] =
clusterView.members.collectFirst { case m if m.address == address m.status }
enterBarrier("after-join")
runOn(first, second, fourth) {
for (n 1 to 5) {
awaitAssert(clusterView.members.size should ===(4))
awaitSeenSameState(first, second, fourth)
memberStatus(first) should ===(Some(MemberStatus.Up))
memberStatus(second) should ===(Some(MemberStatus.Up))
memberStatus(fourth) should ===(Some(MemberStatus.Joining))
// wait and then check again
Thread.sleep(1.second.dilated.toMillis)
}
}
enterBarrier("after-3")
}
}
}