public async Task <IClusterClient> CreateOrleansClient()
{
if (DeploymentId.IsNullOrWhiteSpace())
{
throw new ConfigurationErrorsException($"Cannot connect to Azure silos with null deploymentId.");
}
if (DataConnectionString.IsNullOrWhiteSpace())
{
throw new ConfigurationErrorsException($"Cannot connect to Azure silos with null connectionString.");
}
Log.Info($"Initializing Orleans Client.");
Exception lastException = null;
for (var i = 0; i < MaxRetries; i++)
{
if (i > 0)
{
// Pause to let Primary silo start up and register
await Task.Delay(StartupRetryPause);
}
try {
var client = new ClientBuilder()
.UseConfiguration(Configuration)
.AddClusterConnectionLostHandler((sender, e) => Log.Info("Orleans cluster connection lost."))
.Build();
// Connect will throw if cannot find Gateways
await client.Connect();
return(client);
} catch (Exception exc) {
lastException = exc;
exc.Report("Error initializing Orleans Client. Will retry.");
}
}
if (lastException != null)
{
throw new OrleansException($"Could not Initialize Client for DeploymentId={DeploymentId}.", lastException);
}
else
{
throw new OrleansException($"Could not Initialize Client for DeploymentId={DeploymentId}.");
}
}
