public async Task RunBenchmarks()
{
try
{
Console.WriteLine($"Test reads from Multi-Master account during failover\n{Helpers.Line}\nPlease Wait...");
//Run benchmarks, collect results
Benchmark benchmark = benchmarks[0];
//Verify the benchmark is setup
await Benchmark.InitializeBenchmark(benchmark);
List <string> ids = await Benchmark.GetIds(benchmark);
string id = ids[0];
bool exit = false;
int seconds = 0;
string initialRegion = "";
string failoverRegion;
ItemResponse <SampleCustomer> response = await benchmark.container.ReadItemAsync <SampleCustomer>(id : id, partitionKey : new PartitionKey(benchmark.partitionKeyValue));
initialRegion = Helpers.ParseRegionFromDiag(response.Diagnostics.ToString());
failoverRegion = initialRegion;
string regionalEndpoint = Helpers.ParseEndpointFromDiag(response.Diagnostics.ToString());
string ipAddress = Dns.GetHostAddresses(regionalEndpoint)[0].ToString();
Console.WriteLine($"Initiate Reads from {initialRegion}");
Console.WriteLine($"Simulating regional failure by creating a Firewall Rule blocking the ip address for {initialRegion}");
Firewall.AddFirewallRule("Failover Test", ipAddress);
while (!exit)
{
response = await benchmark.container.ReadItemAsync <SampleCustomer>(id : id, partitionKey : new PartitionKey(benchmark.partitionKeyValue));
failoverRegion = Helpers.ParseRegionFromDiag(response.Diagnostics.ToString());
Console.WriteLine($"Read Region: {failoverRegion}, IpAddress: {ipAddress}");
//We need to do a create operation to force the diagnostic strings to flip in the SDK client
await benchmark.client.CreateDatabaseIfNotExistsAsync("newDB");
if (failoverRegion != initialRegion)
{
Console.WriteLine($"Region failover has occurred. Complete in {seconds} seconds\nPress any key to continue\n...");
Console.ReadKey(true);
Firewall.RemoveFirewallRule("Failover Test");
exit = true;
}
await Task.Delay(1000);
seconds++;
}
}
catch (Exception e)
{
Console.WriteLine(e.Message + "\nPress any key to continue");
Console.ReadKey();
}
}
