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

116 lines
4.1 KiB
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.util.duration._
import akka.actor.Address
object ConvergenceMultiJvmSpec 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")).
withFallback(MultiNodeClusterSpec.clusterConfig))
}
class ConvergenceWithFailureDetectorPuppetMultiJvmNode1 extends ConvergenceSpec with FailureDetectorPuppetStrategy
class ConvergenceWithFailureDetectorPuppetMultiJvmNode2 extends ConvergenceSpec with FailureDetectorPuppetStrategy
class ConvergenceWithFailureDetectorPuppetMultiJvmNode3 extends ConvergenceSpec with FailureDetectorPuppetStrategy
class ConvergenceWithFailureDetectorPuppetMultiJvmNode4 extends ConvergenceSpec with FailureDetectorPuppetStrategy
class ConvergenceWithAccrualFailureDetectorMultiJvmNode1 extends ConvergenceSpec with AccrualFailureDetectorStrategy
class ConvergenceWithAccrualFailureDetectorMultiJvmNode2 extends ConvergenceSpec with AccrualFailureDetectorStrategy
class ConvergenceWithAccrualFailureDetectorMultiJvmNode3 extends ConvergenceSpec with AccrualFailureDetectorStrategy
class ConvergenceWithAccrualFailureDetectorMultiJvmNode4 extends ConvergenceSpec with AccrualFailureDetectorStrategy
abstract class ConvergenceSpec
extends MultiNodeSpec(ConvergenceMultiJvmSpec)
with MultiNodeClusterSpec {
import ConvergenceMultiJvmSpec._
"A cluster of 3 members" must {
"reach initial convergence" taggedAs LongRunningTest in {
awaitClusterUp(first, second, third)
runOn(fourth) {
// doesn't join immediately
}
testConductor.enter("after-1")
}
"not reach convergence while any nodes are unreachable" taggedAs LongRunningTest in {
val thirdAddress = address(third)
testConductor.enter("before-shutdown")
runOn(first) {
// kill 'third' node
testConductor.shutdown(third, 0)
markNodeAsUnavailable(thirdAddress)
}
runOn(first, second) {
within(28 seconds) {
// third becomes unreachable
awaitCond(cluster.latestGossip.overview.unreachable.size == 1)
awaitCond(cluster.latestGossip.members.size == 2)
awaitCond(cluster.latestGossip.members.forall(_.status == MemberStatus.Up))
awaitSeenSameState(first, second)
// still one unreachable
cluster.latestGossip.overview.unreachable.size must be(1)
cluster.latestGossip.overview.unreachable.head.address must be(thirdAddress)
// and therefore no convergence
cluster.convergence.isDefined must be(false)
}
}
testConductor.enter("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] =
cluster.latestGossip.members.collectFirst { case m if m.address == address m.status }
def assertNotMovedUp: Unit = {
within(20 seconds) {
awaitCond(cluster.latestGossip.members.size == 3)
awaitSeenSameState(first, second, fourth)
memberStatus(first) must be(Some(MemberStatus.Up))
memberStatus(second) must be(Some(MemberStatus.Up))
// leader is not allowed to move the new node to Up
memberStatus(fourth) must be(Some(MemberStatus.Joining))
// still no convergence
cluster.convergence.isDefined must be(false)
}
}
runOn(first, second, fourth) {
for (n 1 to 5) {
log.debug("assertNotMovedUp#" + n)
assertNotMovedUp
// wait and then check again
1.second.dilated.sleep
}
}
testConductor.enter("after-3")
}
}
}