public ClusterSingletonLeaseSpec() : base(ConfigurationFactory.ParseString(@"
#akka.loglevel = INFO
akka.loglevel = DEBUG
akka.actor.provider = ""cluster""
akka.cluster.singleton {
use-lease = ""test-lease""
lease-retry-interval = 2000ms
}
akka.remote {
dot-netty.tcp {
hostname = ""127.0.0.1""
port = 0
}
}").WithFallback(TestLease.Configuration))
{
cluster = Cluster.Get(Sys);
testLeaseExt = TestLeaseExt.Get(Sys);
leaseOwner = cluster.SelfMember.Address.HostPort();
cluster.Join(cluster.SelfAddress);
AwaitAssert(() =>
{
cluster.SelfMember.Status.ShouldBe(MemberStatus.Up);
});
}
public void LeaseMajority_in_a_5_node_cluster_should_keep_the_side_that_can_acquire_the_lease_round_2()
{
var lease = TestLeaseExt.Get(Sys).GetTestLease(testLeaseName);
RunOn(() =>
{
lease.SetNextAcquireResult(Task.FromResult(true));
}, _config.Node1);
RunOn(() =>
{
lease.SetNextAcquireResult(Task.FromResult(false));
}, _config.Node2, _config.Node3);
EnterBarrier("lease-in-place-2");
RunOn(() =>
{
foreach (var x in new[] { _config.Node1 })
{
foreach (var y in new[] { _config.Node2, _config.Node3 })
{
TestConductor.Blackhole(x, y, ThrottleTransportAdapter.Direction.Both).Wait();
}
}
}, _config.Node1);
EnterBarrier("blackholed-clean-partition-2");
RunOn(() =>
{
Within(TimeSpan.FromSeconds(20), () =>
{
AwaitAssert(() =>
{
Cluster.State.Members.Count.Should().Be(1);
});
});
}, _config.Node1);
RunOn(() =>
{
Within(TimeSpan.FromSeconds(20), () =>
{
AwaitAssert(() =>
{
Cluster.IsTerminated.Should().BeTrue();
});
});
}, _config.Node2, _config.Node3);
EnterBarrier("done-2");
}
public void LeaseMajority_in_a_5_node_cluster_should_keep_the_side_that_can_acquire_the_lease()
{
var lease = TestLeaseExt.Get(Sys).GetTestLease(testLeaseName);
var leaseProbe = lease.Probe;
RunOn(() =>
{
lease.SetNextAcquireResult(Task.FromResult(true));
}, _config.Node1, _config.Node2, _config.Node3);
RunOn(() =>
{
lease.SetNextAcquireResult(Task.FromResult(false));
}, _config.Node4, _config.Node5);
EnterBarrier("lease-in-place");
RunOn(() =>
{
foreach (var x in new[] { _config.Node1, _config.Node2, _config.Node3 })
{
foreach (var y in new[] { _config.Node4, _config.Node5 })
{
TestConductor.Blackhole(x, y, ThrottleTransportAdapter.Direction.Both).Wait();
}
}
}, _config.Node1);
EnterBarrier("blackholed-clean-partition");
RunOn(() =>
{
Within(TimeSpan.FromSeconds(20), () =>
{
AwaitAssert(() =>
{
Cluster.State.Members.Count.Should().Be(3);
});
});
RunOn(() =>
{
leaseProbe.ExpectMsg <TestLease.AcquireReq>();
// after 2 * stable-after
leaseProbe.ExpectMsg <TestLease.ReleaseReq>(TimeSpan.FromSeconds(14));
}, Leader(_config.Node1, _config.Node2, _config.Node3));
}, _config.Node1, _config.Node2, _config.Node3);
RunOn(() =>
{
Within(TimeSpan.FromSeconds(20), () =>
{
AwaitAssert(() =>
{
Cluster.IsTerminated.Should().BeTrue();
});
RunOn(() =>
{
leaseProbe.ExpectMsg <TestLease.AcquireReq>();
}, Leader(_config.Node4, _config.Node5));
});
}, _config.Node4, _config.Node5);
EnterBarrier("downed-and-removed");
leaseProbe.ExpectNoMsg(TimeSpan.FromSeconds(1));
EnterBarrier("done-1");
}