public void SniffCalledOnceAndEachEnpointPingedOnce()
{
using (var fake = new AutoFake(callsDoNothing: true))
{
//It's recommended to only have on instance of your connection pool
//Be sure to register it as Singleton in your IOC
var uris = new[] { new Uri("http://localhost:9200"), new Uri("http://localhost:9201") };
var connectionPool = new SniffingConnectionPool(uris);
var config = new ConnectionConfiguration(connectionPool)
.SniffOnStartup();
fake.Provide <IConnectionConfigurationValues>(config);
var pingCall = FakeCalls.PingAtConnectionLevel(fake);
pingCall.Returns(FakeResponse.Ok(config));
var sniffCall = FakeCalls.Sniff(fake, config, uris);
var getCall = FakeCalls.GetSyncCall(fake);
getCall.Returns(FakeResponse.Ok(config));
var transport1 = FakeCalls.ProvideRealTranportInstance(fake);
var transport2 = FakeCalls.ProvideRealTranportInstance(fake);
var transport3 = FakeCalls.ProvideRealTranportInstance(fake);
var transport4 = FakeCalls.ProvideRealTranportInstance(fake);
transport1.Should().NotBe(transport2);
var client1 = new ElasticsearchClient(config, transport: transport1);
client1.Info();
client1.Info();
client1.Info();
client1.Info();
var client2 = new ElasticsearchClient(config, transport: transport2);
client2.Info();
client2.Info();
client2.Info();
client2.Info();
var client3 = new ElasticsearchClient(config, transport: transport3);
client3.Info();
client3.Info();
client3.Info();
client3.Info();
var client4 = new ElasticsearchClient(config, transport: transport4);
client4.Info();
client4.Info();
client4.Info();
client4.Info();
sniffCall.MustHaveHappened(Repeated.Exactly.Once);
//sniff validates first node, one new node should be pinged before usage.
pingCall.MustHaveHappened(Repeated.Exactly.Once);
}
}
public void SniffIsCalledAfterItHasGoneOutOfDate_NotWhenItSeesA503()
{
using (var fake = new AutoFake())
{
var dateTimeProvider = fake.Resolve <IDateTimeProvider>();
var nowCall = A.CallTo(() => dateTimeProvider.Now());
nowCall.ReturnsNextFromSequence(
DateTime.UtcNow, //initial sniff time (set even if not sniff_on_startup
DateTime.UtcNow, //info call 1
DateTime.UtcNow, //info call 2
DateTime.UtcNow.AddMinutes(10), //info call 3
DateTime.UtcNow.AddMinutes(10), //set now after sniff 3
DateTime.UtcNow.AddMinutes(10), //info call 4
DateTime.UtcNow.AddMinutes(12) //info call 5
);
var uris = new[] { new Uri("http://localhost:9200") };
var connectionPool = new SniffingConnectionPool(uris);
var config = new ConnectionConfiguration(connectionPool)
.SniffLifeSpan(TimeSpan.FromMinutes(4))
.ExposeRawResponse();
fake.Provide <IConnectionConfigurationValues>(config);
var transport = FakeCalls.ProvideDefaultTransport(fake, dateTimeProvider);
var pingCall = FakeCalls.PingAtConnectionLevel(fake);
pingCall.Returns(FakeResponse.Ok(config));
var sniffCall = FakeCalls.Sniff(fake, config, uris);
var getCall = FakeCalls.GetSyncCall(fake);
getCall.ReturnsNextFromSequence(
FakeResponse.Ok(config), //info 1
FakeResponse.Ok(config), //info 2
FakeResponse.Ok(config), //info 3
FakeResponse.Ok(config), //sniff
FakeResponse.Ok(config), //info 4
FakeResponse.Bad(config) //info 5
);
var client1 = fake.Resolve <ElasticsearchClient>();
var result = client1.Info(); //info call 1
result = client1.Info(); //info call 2
result = client1.Info(); //info call 3
result = client1.Info(); //info call 4
result = client1.Info(); //info call 5
sniffCall.MustHaveHappened(Repeated.Exactly.Once);
nowCall.MustHaveHappened(Repeated.Exactly.Times(7));
//var nowCall = A.CallTo(() => fake.Resolve<IDateTimeProvider>().Sniff(A<Uri>._, A<int>._));
}
}
public void ShouldRetryOnSniffConnectionException_Async()
{
using (var fake = new AutoFake(callsDoNothing: true))
{
var uris = new[]
{
new Uri("http://localhost:9200"),
new Uri("http://localhost:9201"),
new Uri("http://localhost:9202")
};
var connectionPool = new SniffingConnectionPool(uris, randomizeOnStartup: false);
var config = new ConnectionConfiguration(connectionPool)
.SniffOnConnectionFault();
fake.Provide <IConnectionConfigurationValues>(config);
var pingAsyncCall = FakeCalls.PingAtConnectionLevelAsync(fake);
pingAsyncCall.Returns(FakeResponse.OkAsync(config));
//sniffing is always synchronous and in turn will issue synchronous pings
var pingCall = FakeCalls.PingAtConnectionLevel(fake);
pingCall.Returns(FakeResponse.Ok(config));
var sniffCall = FakeCalls.Sniff(fake);
var seenPorts = new List <int>();
sniffCall.ReturnsLazily((Uri u, IRequestConfiguration c) =>
{
seenPorts.Add(u.Port);
throw new Exception("Something bad happened");
});
var getCall = FakeCalls.GetCall(fake);
getCall.Returns(FakeResponse.BadAsync(config));
FakeCalls.ProvideDefaultTransport(fake);
var client = fake.Resolve <ElasticsearchClient>();
var e = Assert.Throws <MaxRetryException>(async() => await client.NodesHotThreadsAsync("nodex"));
//all nodes must be tried to sniff for more information
sniffCall.MustHaveHappened(Repeated.Exactly.Times(uris.Count()));
//make sure we only saw one call to hot threads (the one that failed initially)
getCall.MustHaveHappened(Repeated.Exactly.Once);
//make sure the sniffs actually happened on all the individual nodes
seenPorts.ShouldAllBeEquivalentTo(uris.Select(u => u.Port));
e.InnerException.Message.Should().Contain("Sniffing known nodes");
}
}
public void SniffOnConnectionFaultCausesSniffOn503()
{
using (var fake = new AutoFake())
{
var dateTimeProvider = fake.Resolve <IDateTimeProvider>();
var nowCall = A.CallTo(() => dateTimeProvider.Now());
nowCall.Invokes(() =>
{
});
nowCall.Returns(DateTime.UtcNow);
var nodes = new[] { new Uri("http://localhost:9200") };
var connectionPool = new SniffingConnectionPool(nodes);
var config = new ConnectionConfiguration(connectionPool)
.SniffOnConnectionFault();
fake.Provide <IConnectionConfigurationValues>(config);
var transport = FakeCalls.ProvideDefaultTransport(fake, dateTimeProvider);
var connection = fake.Resolve <IConnection>();
var sniffNewNodes = new[]
{
new Uri("http://localhost:9200"),
new Uri("http://localhost:9201")
};
var pingCall = FakeCalls.PingAtConnectionLevel(fake);
pingCall.Returns(FakeResponse.Ok(config));
var sniffCall = FakeCalls.Sniff(fake, config, sniffNewNodes);
var getCall = FakeCalls.GetSyncCall(fake);
getCall.ReturnsNextFromSequence(
FakeResponse.Ok(config), //info 1
FakeResponse.Ok(config), //info 2
FakeResponse.Ok(config), //info 3
FakeResponse.Ok(config), //info 4
FakeResponse.Bad(config) //info 5
);
var client1 = fake.Resolve <ElasticsearchClient>();
client1.Info(); //info call 1
client1.Info(); //info call 2
client1.Info(); //info call 3
client1.Info(); //info call 4
Assert.Throws <MaxRetryException>(() => client1.Info()); //info call 5
sniffCall.MustHaveHappened(Repeated.Exactly.Once);
nowCall.MustHaveHappened(Repeated.Exactly.Times(8));
}
}
public void ShouldRetryOnSniff500()
{
using (var fake = new AutoFake(callsDoNothing: true))
{
var uris = new[]
{
new Uri("http://localhost:9200"),
new Uri("http://localhost:9201"),
new Uri("http://localhost:9202")
};
var connectionPool = new SniffingConnectionPool(uris, randomizeOnStartup: false);
var config = new ConnectionConfiguration(connectionPool)
.SniffOnConnectionFault();
fake.Provide <IConnectionConfigurationValues>(config);
FakeCalls.ProvideDefaultTransport(fake);
var pingCall = FakeCalls.PingAtConnectionLevel(fake);
pingCall.Returns(FakeResponse.Ok(config));
var sniffCall = FakeCalls.Sniff(fake);
var seenPorts = new List <int>();
sniffCall.ReturnsLazily((Uri u, IRequestConfiguration c) =>
{
seenPorts.Add(u.Port);
return(FakeResponse.Bad(config));
});
var getCall = FakeCalls.GetSyncCall(fake);
getCall.Returns(FakeResponse.Bad(config));
var client = fake.Resolve <ElasticsearchClient>();
var e = Assert.Throws <MaxRetryException>(() => client.Info());
sniffCall.MustHaveHappened(Repeated.Exactly.Times(uris.Count()));
getCall.MustHaveHappened(Repeated.Exactly.Once);
//make sure that if a ping throws an exception it wont
//keep retrying to ping the same node but failover to the next
seenPorts.ShouldAllBeEquivalentTo(uris.Select(u => u.Port));
var sniffException = e.InnerException as SniffException;
sniffException.Should().NotBeNull();
}
}
public void ShouldThrowAndNotRetrySniffOnConnectionFault401_Async()
{
using (var fake = new AutoFake(callsDoNothing: true))
{
var uris = new[]
{
new Uri("http://localhost:9200"),
new Uri("http://localhost:9201"),
new Uri("http://localhost:9202")
};
var connectionPool = new SniffingConnectionPool(uris, randomizeOnStartup: false);
var config = new ConnectionConfiguration(connectionPool)
.SniffOnConnectionFault()
.ThrowOnElasticsearchServerExceptions();
fake.Provide <IConnectionConfigurationValues>(config);
FakeCalls.ProvideDefaultTransport(fake);
var pingAsyncCall = FakeCalls.PingAtConnectionLevelAsync(fake);
pingAsyncCall.Returns(FakeResponse.OkAsync(config));
var pingCall = FakeCalls.PingAtConnectionLevel(fake);
pingCall.Returns(FakeResponse.Ok(config));
var sniffCall = FakeCalls.Sniff(fake);
var seenPorts = new List <int>();
sniffCall.ReturnsLazily((Uri u, IRequestConfiguration c) =>
{
seenPorts.Add(u.Port);
return(FakeResponse.Any(config, 401));
});
var getCall = FakeCalls.GetCall(fake);
getCall.Returns(FakeResponse.BadAsync(config));
var client = fake.Resolve <ElasticsearchClient>();
var e = Assert.Throws <ElasticsearchServerException>(async() => await client.InfoAsync());
e.Status.Should().Be(401);
sniffCall.MustHaveHappened(Repeated.Exactly.Once);
getCall.MustHaveHappened(Repeated.Exactly.Once);
}
}
public void SniffOnStartupCallsSniffOnlyOnce()
{
using (var fake = new AutoFake(callsDoNothing: true))
{
//It's recommended to only have on instance of your connection pool
//Be sure to register it as Singleton in your IOC
var uris = new[] { new Uri("http://localhost:9200") };
var connectionPool = new SniffingConnectionPool(uris);
var config = new ConnectionConfiguration(connectionPool)
.DisablePing()
.SniffOnStartup();
fake.Provide <IConnectionConfigurationValues>(config);
var sniffCall = FakeCalls.Sniff(fake, config, uris);
var transport = FakeCalls.ProvideDefaultTransport(fake);
var client1 = new ElasticsearchClient(config, transport: transport);
var client2 = new ElasticsearchClient(config, transport: transport);
var client3 = new ElasticsearchClient(config, transport: transport);
var client4 = new ElasticsearchClient(config, transport: transport);
sniffCall.MustHaveHappened(Repeated.Exactly.Once);
}
}
public void SniffIsCalledAfterItHasGoneOutOfDate()
{
using (var fake = new AutoFake())
{
var dateTimeProvider = fake.Resolve <IDateTimeProvider>();
var nowCall = A.CallTo(() => dateTimeProvider.Now());
nowCall.ReturnsNextFromSequence(
DateTime.UtcNow, //initial sniff time (set even if not sniff_on_startup
DateTime.UtcNow, //info call 1
DateTime.UtcNow, //info call 2
DateTime.UtcNow.AddMinutes(10), //info call 3
DateTime.UtcNow.AddMinutes(10), //set now after sniff 3
DateTime.UtcNow.AddMinutes(20), //info call 4
DateTime.UtcNow.AddMinutes(20), //set now after sniff 4
DateTime.UtcNow.AddMinutes(22) //info call 5
);
var uris = new[] { new Uri("http://localhost:9200") };
var connectionPool = new SniffingConnectionPool(uris);
var config = new ConnectionConfiguration(connectionPool)
.SniffLifeSpan(TimeSpan.FromMinutes(4));
fake.Provide <IConnectionConfigurationValues>(config);
var transport = FakeCalls.ProvideDefaultTransport(fake, dateTimeProvider);
var connection = fake.Resolve <IConnection>();
var sniffCall = FakeCalls.Sniff(fake, config, uris);
var getCall = FakeCalls.GetSyncCall(fake);
getCall.Returns(FakeResponse.Ok(config));
var client1 = fake.Resolve <ElasticsearchClient>();
client1.Info(); //info call 1
client1.Info(); //info call 2
client1.Info(); //info call 3
client1.Info(); //info call 4
client1.Info(); //info call 5
sniffCall.MustHaveHappened(Repeated.Exactly.Twice);
nowCall.MustHaveHappened(Repeated.Exactly.Times(8));
}
}
public void ShouldNotThrowAndNotRetrySniffInformationIsTooOld401()
{
using (var fake = new AutoFake(callsDoNothing: true))
{
var uris = new[]
{
new Uri("http://localhost:9200"),
new Uri("http://localhost:9201"),
new Uri("http://localhost:9202")
};
var connectionPool = new SniffingConnectionPool(uris, randomizeOnStartup: false);
var config = new ConnectionConfiguration(connectionPool)
.SniffLifeSpan(new TimeSpan(1));
fake.Provide <IConnectionConfigurationValues>(config);
FakeCalls.ProvideDefaultTransport(fake);
var pingCall = FakeCalls.PingAtConnectionLevel(fake);
pingCall.Returns(FakeResponse.Ok(config));
var sniffCall = FakeCalls.Sniff(fake);
var seenPorts = new List <int>();
sniffCall.ReturnsLazily((Uri u, IRequestConfiguration c) =>
{
seenPorts.Add(u.Port);
return(FakeResponse.Any(config, 401));
});
var getCall = FakeCalls.GetSyncCall(fake);
getCall.Returns(FakeResponse.Bad(config));
var client = fake.Resolve <ElasticsearchClient>();
Assert.DoesNotThrow(() => client.Info());
sniffCall.MustHaveHappened(Repeated.Exactly.Once);
getCall.MustNotHaveHappened();
}
}
public void ShouldThrowAndNotRetrySniffOnStartup401()
{
using (var fake = new AutoFake(callsDoNothing: true))
{
var uris = new[]
{
new Uri("http://localhost:9200"),
new Uri("http://localhost:9201"),
new Uri("http://localhost:9202")
};
var connectionPool = new SniffingConnectionPool(uris, randomizeOnStartup: false);
var config = new ConnectionConfiguration(connectionPool)
.SniffOnStartup();
var pingCall = FakeCalls.PingAtConnectionLevel(fake);
pingCall.Returns(FakeResponse.Ok(config));
var sniffCall = FakeCalls.Sniff(fake);
var seenPorts = new List <int>();
sniffCall.ReturnsLazily((Uri u, IRequestConfiguration c) =>
{
seenPorts.Add(u.Port);
return(FakeResponse.Any(config, 401));
});
var getCall = FakeCalls.GetSyncCall(fake);
getCall.Returns(FakeResponse.Bad(config));
fake.Provide <IConnectionConfigurationValues>(config);
var e = Assert.Throws <ElasticsearchAuthenticationException>(() => FakeCalls.ProvideRealTranportInstance(fake));
sniffCall.MustHaveHappened(Repeated.Exactly.Once);
getCall.MustNotHaveHappened();
}
}
public void HostsReturnedBySniffAreVisited()
{
using (var fake = new AutoFake())
{
var dateTimeProvider = fake.Resolve <IDateTimeProvider>();
var nowCall = A.CallTo(() => dateTimeProvider.Now());
nowCall.Returns(DateTime.UtcNow);
var connectionPool = new SniffingConnectionPool(new[]
{
new Uri("http://localhost:9200"),
new Uri("http://localhost:9201")
}, randomizeOnStartup: false);
var config = new ConnectionConfiguration(connectionPool)
.SniffOnConnectionFault();
fake.Provide <IConnectionConfigurationValues>(config);
FakeCalls.ProvideDefaultTransport(fake);
FakeCalls.PingAtConnectionLevel(fake)
.Returns(FakeResponse.Ok(config));
var sniffCall = FakeCalls.Sniff(fake, config, new List <Uri>()
{
new Uri("http://localhost:9204"),
new Uri("http://localhost:9203"),
new Uri("http://localhost:9202"),
new Uri("http://localhost:9201")
});
var connection = fake.Resolve <IConnection>();
var seenNodes = new List <Uri>();
//var getCall = FakeResponse.GetSyncCall(fake);
var getCall = A.CallTo(() => connection.GetSync(
A <Uri> .That.Not.Matches(u => u.AbsolutePath.StartsWith("/_nodes")),
A <IRequestConfiguration> ._));
getCall.ReturnsNextFromSequence(
FakeResponse.Ok(config), //info 1
FakeResponse.Bad(config), //info 2
FakeResponse.Ok(config), //info 2 retry
FakeResponse.Ok(config), //info 3
FakeResponse.Ok(config), //info 4
FakeResponse.Ok(config), //info 5
FakeResponse.Ok(config), //info 6
FakeResponse.Ok(config), //info 7
FakeResponse.Ok(config), //info 8
FakeResponse.Ok(config) //info 9
);
getCall.Invokes((Uri u, IRequestConfiguration o) => seenNodes.Add(u));
var client1 = fake.Resolve <ElasticsearchClient>();
client1.Info(); //info call 1
client1.Info(); //info call 2
client1.Info(); //info call 3
client1.Info(); //info call 4
client1.Info(); //info call 5
client1.Info(); //info call 6
client1.Info(); //info call 7
client1.Info(); //info call 8
client1.Info(); //info call 9
sniffCall.MustHaveHappened(Repeated.Exactly.Once);
seenNodes.Should().NotBeEmpty().And.HaveCount(10);
seenNodes[0].Port.Should().Be(9200);
seenNodes[1].Port.Should().Be(9201);
//after sniff
seenNodes[2].Port.Should().Be(9202, string.Join(",", seenNodes.Select(n => n.Port)));
seenNodes[3].Port.Should().Be(9204);
seenNodes[4].Port.Should().Be(9203);
seenNodes[5].Port.Should().Be(9202);
seenNodes[6].Port.Should().Be(9201);
}
}
