CODEWITHSUNDEEP
c#timeoutaws-documentdb-mongoapi
Yaroslav
Yaroslav

Reputation: 524

A timeout connection to AWS documentDb with ssl enabling

I'm creating new cluster of documentDb in AWS and trying to connect with my net.core application by MongoDriver to it. Cluster with Ssl enabled property.

According to this question and answers I have tried couple ways for reaching my goal.

var clientSetting = MongoClientSettings.FromUrl("mongodb://<myloging>:<mypassword>@<myclusterendpoint>/?ssl=true&replicaSet=rs0");

var setting = new MongoClientSettings()
{
    Server = clientSetting.Server,
    UseSsl = clientSetting.UseSsl,
    Credential = clientSetting.Credential,

    GuidRepresentation = GuidRepresentation.CSharpLegacy,
    ReadPreference = new ReadPreference(ReadPreferenceMode.Primary),
    VerifySslCertificate = true,
    SslSettings = new SslSettings
    {
        ClientCertificates = new List<X509Certificate2>()
        {
            new X509Certificate2("<path>\\rds-combined-ca-bundle.pem")
        },
        EnabledSslProtocols = System.Security.Authentication.SslProtocols.Default,
        CheckCertificateRevocation = true
    },
    ReplicaSetName = clientSetting.ReplicaSetName

};

setting.SslSettings.ClientCertificateSelectionCallback = (sender, host, certificates, certificate, issuers) => setting.SslSettings.ClientCertificates.ToList()[0];
setting.SslSettings.ServerCertificateValidationCallback = (sender, certificate, chain, errors) => true;

setting.MaxConnectionIdleTime = new TimeSpan(0, 0, 30);

client = new MongoClient(setting);

And do this:

var filter = new BsonDocument("name", "mycollection");
var collectionCursor = client.GetDatabase("mydatabase").ListCollections(new ListCollectionsOptions { Filter = filter });
if (!collectionCursor.Any())
{
    throw new Exception("Collection not found");
}

I expect that will get collection with name mycollection or Collection not found exception, but getting

A timeout occured after 30000ms selecting a server using CompositeServerSelector{ Selectors = MongoDB.Driver.MongoClient+AreSessionsSupportedServerSelector, LatencyLimitingServerSelector{ AllowedLatencyRange = 00:00:00.0150000 } }. Client view of cluster state is { ClusterId : "1", ConnectionMode : "ReplicaSet", Type : "ReplicaSet", State : "Disconnected", Servers : [{ ServerId: "{ ClusterId : 1, EndPoint : "Unspecified/<myclusterendpoint>" }", EndPoint: "Unspecified/<myclusterendpoint>", State: "Disconnected", Type: "Unknown" }] }.

Same problem when try to connect via MongoShell. Maybe problem is in different zones. Example: cluster created in us-east-2 and I try to connect from Ukraine. :)

UPD: Assume that I should be in one VPC for connecting to DocumentDb cluster.

Upvotes: 3

Views: 12444

Answers (2)

Yaroslav
Yaroslav

Reputation: 524

My problem was in designe of access to AWS DocumentDB. More info about database access out of VPC.

Upvotes: 4

Kanishka Chaturvedi
Kanishka Chaturvedi

Reputation: 227

I see couple of things you may want to look at:

Upvotes: 2

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