public IActionResult Invoke(string name, [FromBody] FunctionInvocation invocation, [FromServices] IScriptJobHost scriptHost)
{
if (invocation == null)
{
return(BadRequest());
}
FunctionDescriptor function = scriptHost.GetFunctionOrNull(name);
if (function == null)
{
return(NotFound());
}
ParameterDescriptor inputParameter = function.Parameters.First(p => p.IsTrigger);
Dictionary <string, object> arguments = new Dictionary <string, object>()
{
{ inputParameter.Name, invocation.Input }
};
// LiveLogs session id is used to show only contextual logs in the "Code + Test" experience.
string sessionId = this.Request?.Headers[ScriptConstants.LiveLogsSessionAIKey];
using (System.Threading.ExecutionContext.SuppressFlow())
{
Task.Run(async() =>
{
IDictionary <string, object> loggerScope = new Dictionary <string, object>
{
{ "MS_IgnoreActivity", null }
};
using (_logger.BeginScope(loggerScope))
{
if (!string.IsNullOrWhiteSpace(sessionId))
{
// Current activity is null due to SuppressFlow. Start a new activity and set baggage so that it's included in the custom dimensions.
Activity activity = new Activity($"{nameof(FunctionsController)}.Invoke");
activity?.Start();
activity?.AddBaggage(ScriptConstants.LiveLogsSessionAIKey, sessionId);
try
{
await scriptHost.CallAsync(function.Name, arguments);
}
finally
{
activity?.Stop();
}
}
else
{
await scriptHost.CallAsync(function.Name, arguments);
}
}
});
}
return(Accepted());
}
public IActionResult Invoke(string name, [FromBody] FunctionInvocation invocation, [FromServices] IScriptJobHost scriptHost)
{
if (invocation == null)
{
return(BadRequest());
}
FunctionDescriptor function = scriptHost.GetFunctionOrNull(name);
if (function == null)
{
return(NotFound());
}
ParameterDescriptor inputParameter = function.Parameters.First(p => p.IsTrigger);
Dictionary <string, object> arguments = new Dictionary <string, object>()
{
{ inputParameter.Name, invocation.Input }
};
Task.Run(async() =>
{
IDictionary <string, object> loggerScope = new Dictionary <string, object>
{
{ "MS_IgnoreActivity", null }
};
using (_logger.BeginScope(loggerScope))
{
await scriptHost.CallAsync(function.Name, arguments);
}
});
return(Accepted());
}
public async Task ExecuteAsync(HttpRequest request, CancellationToken cancellationToken)
{
if (!CanExecute)
{
throw new InvalidOperationException("Unable to execute function without a target.");
}
JObject coldStartData = null;
if (request.IsColdStart())
{
coldStartData = new JObject
{
{ "requestId", request.GetRequestId() },
{ "language", Descriptor.Metadata.Language },
{ "sku", _environment.GetEnvironmentVariable(EnvironmentSettingNames.AzureWebsiteSku) }
};
var dispatchStopwatch = request.GetItemOrDefault <Stopwatch>(ScriptConstants.AzureFunctionsColdStartKey);
if (dispatchStopwatch != null)
{
dispatchStopwatch.Stop();
coldStartData.Add("dispatchDuration", dispatchStopwatch.ElapsedMilliseconds);
}
}
var sw = Stopwatch.StartNew();
var arguments = new Dictionary <string, object>();
if (_descriptor.IsWarmupFunction())
{
arguments.Add(_descriptor.TriggerParameter.Name, new WarmupContext());
}
else
{
arguments.Add(_descriptor.TriggerParameter.Name, request);
}
await _host.CallAsync(_descriptor.Name, arguments, cancellationToken);
sw.Stop();
if (coldStartData != null)
{
coldStartData.Add("functionDuration", sw.ElapsedMilliseconds);
var logData = new Dictionary <string, object>
{
[ScriptConstants.LogPropertyEventNameKey] = ScriptConstants.ColdStartEventName,
[ScriptConstants.LogPropertyActivityIdKey] = request.GetRequestId()
};
_logger.Log(LogLevel.Information, 0, logData, null, (s, e) => coldStartData.ToString(Formatting.None));
}
}
/// <summary>
/// Try to invoke a warmup function if available
/// </summary>
/// <returns>
/// A task that represents the asynchronous operation.
/// The task results true if a warmup function was invoked, false otherwise.
/// </returns>
public static async Task <bool> TryInvokeWarmupAsync(this IScriptJobHost scriptJobHost)
{
var warmupFunction = scriptJobHost.GetWarmupFunctionOrNull();
if (warmupFunction != null)
{
ParameterDescriptor inputParameter = warmupFunction.Parameters.First(p => p.IsTrigger);
var arguments = new Dictionary <string, object>()
{
{ inputParameter.Name, new WarmupContext() }
};
await scriptJobHost.CallAsync(warmupFunction.Name, arguments);
return(true);
}
return(false);
}
public IActionResult Invoke(string name, [FromBody] FunctionInvocation invocation, [FromServices] IScriptJobHost scriptHost)
{
if (invocation == null)
{
return(BadRequest());
}
FunctionDescriptor function = scriptHost.GetFunctionOrNull(name);
if (function == null)
{
return(NotFound());
}
ParameterDescriptor inputParameter = function.Parameters.First(p => p.IsTrigger);
Dictionary <string, object> arguments = new Dictionary <string, object>()
{
{ inputParameter.Name, invocation.Input }
};
Task.Run(() => scriptHost.CallAsync(function.Name, arguments));
return(Accepted());
}