internal async static Task <CollectionRuleActionResult> ExecuteAndDisposeAsync(ICollectionRuleAction action, TimeSpan timeout)
{
using CancellationTokenSource cancellationTokenSource = new CancellationTokenSource(timeout);
CollectionRuleActionResult result;
try
{
await action.StartAsync(cancellationTokenSource.Token);
result = await action.WaitForCompletionAsync(cancellationTokenSource.Token);
}
finally
{
await DisposableHelper.DisposeAsync(action);
}
return(result);
}
//CONSIDER Only named rules currently return results since only named results can be referenced
public async Task <IDictionary <string, CollectionRuleActionResult> > ExecuteActions(
CollectionRuleContext context,
Action startCallback,
CancellationToken cancellationToken)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
bool started = false;
Action wrappedStartCallback = () =>
{
if (!started)
{
started = true;
startCallback?.Invoke();
}
};
int actionIndex = 0;
List <ActionCompletionEntry> deferredCompletions = new(context.Options.Actions.Count);
var actionResults = new Dictionary <string, CollectionRuleActionResult>(StringComparer.Ordinal);
var dependencyAnalyzer = ActionOptionsDependencyAnalyzer.Create(context);
try
{
// Start and optionally wait for each action to complete
foreach (CollectionRuleActionOptions actionOption in context.Options.Actions)
{
KeyValueLogScope actionScope = new();
actionScope.AddCollectionRuleAction(actionOption.Type, actionIndex);
using IDisposable actionScopeRegistration = _logger.BeginScope(actionScope);
_logger.CollectionRuleActionStarted(context.Name, actionOption.Type);
try
{
IList <CollectionRuleActionOptions> actionDependencies = dependencyAnalyzer.GetActionDependencies(actionIndex);
foreach (CollectionRuleActionOptions actionDependency in actionDependencies)
{
for (int i = 0; i < deferredCompletions.Count; i++)
{
ActionCompletionEntry deferredCompletion = deferredCompletions[i];
if (string.Equals(deferredCompletion.Options.Name, actionDependency.Name, StringComparison.Ordinal))
{
deferredCompletions.RemoveAt(i);
i--;
await WaitForCompletion(context, wrappedStartCallback, actionResults, deferredCompletion, cancellationToken);
break;
}
}
}
ICollectionRuleActionFactoryProxy factory;
if (!_actionOperations.TryCreateFactory(actionOption.Type, out factory))
{
throw new InvalidOperationException(Strings.ErrorMessage_CouldNotMapToAction);
}
object newSettings = dependencyAnalyzer.SubstituteOptionValues(actionResults, actionIndex, actionOption.Settings);
ICollectionRuleAction action = factory.Create(context.EndpointInfo, newSettings);
try
{
await action.StartAsync(cancellationToken);
// Check if the action completion should be awaited synchronously (in respect to
// starting the next action). If not, add a deferred entry so that it can be completed
// after starting each action in the list.
if (actionOption.WaitForCompletion.GetValueOrDefault(CollectionRuleActionOptionsDefaults.WaitForCompletion))
{
await WaitForCompletion(context, wrappedStartCallback, actionResults, action, actionOption, cancellationToken);
}
else
{
deferredCompletions.Add(new(action, actionOption, actionIndex));
// Set to null to skip disposal
action = null;
}
}
finally
{
await DisposableHelper.DisposeAsync(action);
}
}
catch (Exception ex) when(ShouldHandleException(ex, context.Name, actionOption.Type))
{
throw new CollectionRuleActionExecutionException(ex, actionOption.Type, actionIndex);
}
++actionIndex;
}
// Notify that all actions have started
wrappedStartCallback?.Invoke();
// Wait for any actions whose completion has been deferred.
while (deferredCompletions.Count > 0)
{
ActionCompletionEntry deferredCompletion = deferredCompletions[0];
deferredCompletions.RemoveAt(0);
await WaitForCompletion(context, wrappedStartCallback, actionResults, deferredCompletion, cancellationToken);
}
return(actionResults);
}
finally
{
// Always dispose any deferred action completions so that those actions
// are stopped before leaving the action list executor.
foreach (ActionCompletionEntry deferredCompletion in deferredCompletions)
{
await DisposableHelper.DisposeAsync(deferredCompletion.Action);
}
}
}
private async Task ValidateLogsActionAsync(
LogsConfiguration configuration,
Func <ChannelReader <LogEntry>, Task> callback,
LogFormat logFormat,
TargetFrameworkMoniker tfm)
{
using TemporaryDirectory tempDirectory = new(_outputHelper);
await TestHostHelper.CreateCollectionRulesHost(_outputHelper, rootOptions =>
{
rootOptions.AddFileSystemEgress(ActionTestsConstants.ExpectedEgressProvider, tempDirectory.FullName);
rootOptions.CreateCollectionRule(DefaultRuleName)
.AddCollectLogsAction(ActionTestsConstants.ExpectedEgressProvider, options =>
{
options.Duration = CommonTestTimeouts.LogsDuration;
options.FilterSpecs = configuration.FilterSpecs;
options.DefaultLevel = configuration.LogLevel;
options.Format = logFormat;
options.UseAppFilters = configuration.UseAppFilters;
})
.SetStartupTrigger();
}, async host =>
{
CollectLogsOptions options = ActionTestsHelper.GetActionOptions <CollectLogsOptions>(host, DefaultRuleName);
// This is reassigned here due to a quirk in which a null value in the dictionary has its key removed, thus causing LogsDefaultLevelFallbackActionTest to fail. By reassigning here, any keys with null values are maintained.
options.FilterSpecs = configuration.FilterSpecs;
ICollectionRuleActionFactoryProxy factory;
Assert.True(host.Services.GetService <ICollectionRuleActionOperations>().TryCreateFactory(KnownCollectionRuleActions.CollectLogs, out factory));
using CancellationTokenSource endpointTokenSource = new CancellationTokenSource(CommonTestTimeouts.LogsTimeout);
EndpointInfoSourceCallback endpointInfoCallback = new(_outputHelper);
await using ServerSourceHolder sourceHolder = await _endpointUtilities.StartServerAsync(endpointInfoCallback);
AppRunner runner = _endpointUtilities.CreateAppRunner(sourceHolder.TransportName, tfm);
runner.ScenarioName = TestAppScenarios.Logger.Name;
Task <IEndpointInfo> newEndpointInfoTask = endpointInfoCallback.WaitAddedEndpointInfoAsync(runner, CommonTestTimeouts.StartProcess);
await runner.ExecuteAsync(async() =>
{
IEndpointInfo endpointInfo = await newEndpointInfoTask;
ICollectionRuleAction action = factory.Create(endpointInfo, options);
using CancellationTokenSource cancellationTokenSource = new CancellationTokenSource(CommonTestTimeouts.LogsTimeout);
CollectionRuleActionResult result;
try
{
await action.StartAsync(cancellationTokenSource.Token);
await runner.SendCommandAsync(TestAppScenarios.Logger.Commands.StartLogging);
result = await action.WaitForCompletionAsync(cancellationTokenSource.Token);
}
finally
{
await Tools.Monitor.DisposableHelper.DisposeAsync(action);
}
string egressPath = ActionTestsHelper.ValidateEgressPath(result);
using FileStream logsStream = new(egressPath, FileMode.Open, FileAccess.Read);
Assert.NotNull(logsStream);
await LogsTestUtilities.ValidateLogsEquality(logsStream, callback, logFormat, _outputHelper);
});
});
}
