static async Task RunFailoverTestScenarioAsync(string clusterConnection, Uri serviceName)
{
TimeSpan maxServiceStabilizationTimeout = TimeSpan.FromSeconds(180);
PartitionSelector randomPartitionSelector = PartitionSelector.RandomOf(serviceName);
// Create FabricClient with connection & security information here.
FabricClient fabricClient = new FabricClient(clusterConnection);
// The Chaos Test Scenario should run at least 60 minutes or up until it fails.
TimeSpan timeToRun = TimeSpan.FromMinutes(60);
FailoverTestScenarioParameters scenarioParameters = new FailoverTestScenarioParameters(
randomPartitionSelector,
timeToRun,
maxServiceStabilizationTimeout);
// Other related parameters:
// Pause between two iterations for a random duration bound by this value.
// scenarioParameters.WaitTimeBetweenIterations = TimeSpan.FromSeconds(30);
// Pause between concurrent actions for a random duration bound by this value.
// scenarioParameters.WaitTimeBetweenFaults = TimeSpan.FromSeconds(10);
// Create the scenario class and execute it asynchronously.
FailoverTestScenario chaosScenario = new FailoverTestScenario(fabricClient, scenarioParameters);
try
{
await chaosScenario.ExecuteAsync(CancellationToken.None);
}
catch (AggregateException ae)
{
throw ae.InnerException;
}
}
/// <summary>
/// Executes a fail over test scenario.
/// </summary>
/// <param name="serviceName">Uri containing the service name.</param>
/// <param name="handler">Progress changed handler.</param>
/// <param name="duration">Duration of the test.</param>
/// <param name="stabilization">Duration of the stabilization period.</param>
/// <param name="token">CancellationToken instance.</param>
/// <returns>Task instance.</returns>
private async Task ExecuteFailoverTestScenarioAsync(Uri serviceName, ProgressChangedEventHandler handler, TimeSpan stabilization, CancellationToken token)
{
Console.WriteLine($"Starting Failover scenario test on {serviceName.AbsoluteUri} lasting {_duration.TotalMinutes} minutes.");
FailoverTestScenarioParameters ftsp = new FailoverTestScenarioParameters(PartitionSelector.RandomOf(serviceName), _duration, stabilization);
FailoverTestScenario fts = new FailoverTestScenario(_client, ftsp);
fts.ProgressChanged += handler;
try
{
await fts.ExecuteAsync(token);
}
catch (AggregateException ex) { CommonExceptionHandler.OutputInnerExceptions(ex); }
catch (Exception ex) { Console.WriteLine($"FaultTest.RunAsync Exception: {ex.Message} at {ex.StackTrace}"); }
}
static async Task RunFailoverTestScenarioAsync(string clusterConnection, Uri serviceName)
{
TimeSpan maxClusterStabilizationTimeout = TimeSpan.FromSeconds(180);
PartitionSelector randomPartitionSelector = PartitionSelector.RandomOf(serviceName);
FabricClient fabricClient = new FabricClient(clusterConnection);
TimeSpan timeToRun = TimeSpan.FromMinutes(60);
FailoverTestScenarioParameters scenarioParameters = new FailoverTestScenarioParameters(
randomPartitionSelector,
timeToRun,
maxClusterStabilizationTimeout);
FailoverTestScenario failoverScenario = new FailoverTestScenario(fabricClient, scenarioParameters);
try
{
await failoverScenario.ExecuteAsync(CancellationToken.None);
}
catch (AggregateException ae)
{
throw ae.InnerException;
}
}