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Cluster node roles, see #3049

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* Config of node roles cluster.role
* Cluster router configurable with use-role
* RoleLeaderChanged event
* Cluster singleton per role
* Cluster only starts once all required per-role node
  counts are reached,
  role.<role-name>.min-nr-of-members config
*  Update documentation and make use of the roles in the examples
This commit is contained in:
Patrik Nordwall 2013-03-14 20:32:43 +01:00
parent 6e8125a46e
commit 7eac88f372
49 changed files with 870 additions and 481 deletions
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40
akka-cluster/src/multi-jvm/scala/akka/cluster/routing/ClusterRoundRobinRoutedActorSpec.scala
View file

@ -71,10 +71,21 @@ object ClusterRoundRobinRoutedActorMultiJvmSpec extends MultiNodeConfig {
routees-path = "/user/myservice"
}
}
/router5 {
router = round-robin
nr-of-instances = 10
cluster {
enabled = on
use-role = a
}
}
}
""")).
withFallback(MultiNodeClusterSpec.clusterConfig))
nodeConfig(first, second)(ConfigFactory.parseString("""akka.cluster.roles =["a", "c"]"""))
nodeConfig(third)(ConfigFactory.parseString("""akka.cluster.roles =["b", "c"]"""))
}
class ClusterRoundRobinRoutedActorMultiJvmNode1 extends ClusterRoundRobinRoutedActorSpec
@ -89,9 +100,10 @@ abstract class ClusterRoundRobinRoutedActorSpec extends MultiNodeSpec(ClusterRou
lazy val router1 = system.actorOf(Props[SomeActor].withRouter(RoundRobinRouter()), "router1")
lazy val router2 = system.actorOf(Props[SomeActor].withRouter(ClusterRouterConfig(RoundRobinRouter(),
ClusterRouterSettings(totalInstances = 3, maxInstancesPerNode = 1))), "router2")
ClusterRouterSettings(totalInstances = 3, maxInstancesPerNode = 1, useRole = None))), "router2")
lazy val router3 = system.actorOf(Props[SomeActor].withRouter(RoundRobinRouter()), "router3")
lazy val router4 = system.actorOf(Props[SomeActor].withRouter(RoundRobinRouter()), "router4")
lazy val router5 = system.actorOf(Props[SomeActor].withRouter(RoundRobinRouter()), "router5")
def receiveReplies(routeeType: RouteeType, expectedReplies: Int): Map[Address, Int] = {
val zero = Map.empty[Address, Int] ++ roles.map(address(_) -> 0)
@ -240,6 +252,28 @@ abstract class ClusterRoundRobinRoutedActorSpec extends MultiNodeSpec(ClusterRou
enterBarrier("after-6")
}
"deploy routees to specified node role" taggedAs LongRunningTest in {
runOn(first) {
awaitCond(currentRoutees(router5).size == 2)
val iterationCount = 10
for (i ← 0 until iterationCount) {
router5 ! "hit"
}
val replies = receiveReplies(DeployRoutee, iterationCount)
replies(first) must be > (0)
replies(second) must be > (0)
replies(third) must be(0)
replies(fourth) must be(0)
replies.values.sum must be(iterationCount)
}
enterBarrier("after-7")
}
"deploy programatically defined routees to the member nodes in the cluster" taggedAs LongRunningTest in {
runOn(first) {
@ -263,7 +297,7 @@ abstract class ClusterRoundRobinRoutedActorSpec extends MultiNodeSpec(ClusterRou
replies.values.sum must be(iterationCount)
}
enterBarrier("after-7")
enterBarrier("after-8")
}
"deploy programatically defined routees to other node when a node becomes down" taggedAs LongRunningTest in {
@ -292,7 +326,7 @@ abstract class ClusterRoundRobinRoutedActorSpec extends MultiNodeSpec(ClusterRou
replies.values.sum must be(iterationCount)
}
enterBarrier("after-8")
enterBarrier("after-9")
}
}