public async Task Invoke(HttpContext context)
{
using (var spanBuilder = Trace.BeginSpan())
{
var url = GetUrl(context.Request);
spanBuilder.SetAnnotation(TracingAnnotationNames.Operation, GetOperationName(context.Request.Method, url));
spanBuilder.SetAnnotation(TracingAnnotationNames.Kind, "http-server");
spanBuilder.SetAnnotation(TracingAnnotationNames.Service, serviceName);
spanBuilder.SetAnnotation(TracingAnnotationNames.Host, HostnameProvider.Get());
spanBuilder.SetAnnotation(TracingAnnotationNames.HttpUrl, url.ToStringWithoutQuery());
if (context.Request.ContentLength.HasValue)
{
spanBuilder.SetAnnotation(TracingAnnotationNames.HttpRequestContentLength, context.Request.ContentLength);
}
try
{
await next.Invoke(context).ConfigureAwait(false);
if (context.Response.ContentLength.HasValue)
{
spanBuilder.SetAnnotation(TracingAnnotationNames.HttpResponseContentLength, context.Response.ContentLength);
}
spanBuilder.SetAnnotation(TracingAnnotationNames.HttpCode, context.Response.StatusCode);
}
catch
{
spanBuilder.SetAnnotation(TracingAnnotationNames.HttpCode, (int)HttpStatusCode.InternalServerError);
context.Response.StatusCode = 500;
}
}
}
public void Log(LogEvent logEvent)
{
if (airlockClient == null || string.IsNullOrEmpty(routingKey))
{
return;
}
var logEventData = new LogEventData
{
Timestamp = DateTimeOffset.UtcNow, // todo (spaceorc, 15.02.2018) возможно, надо сделать поле Timestamp в logEvent?
Level = logEvent.Level,
Message = LogEventFormatter.FormatMessage(logEvent.MessageTemplate, logEvent.MessageParameters),
Exceptions = logEvent.Exception.Parse(), // todo (andrew, 17.01.2018): maybe truncate if serialized Exceptions list has size > 32 kb
Properties = logEvent.Properties.ToDictionary(x => x.Key, x => x.Value.ToString())
};
// todo (spaceorc, 13.10.2017) make "host" constant somewhere in Vostok.Core/LogPropertyNames.cs
logEventData.Properties["host"] = HostnameProvider.Get();
airlockClient.Push(routingKey, logEventData, logEventData.Timestamp);
}
public void Emit(SerilogEvent logEvent)
{
var airlockClient = getAirlockClient();
var routingKey = getRoutingKey();
if (airlockClient == null || string.IsNullOrEmpty(routingKey))
{
return;
}
var logEventData = new LogEventData
{
Timestamp = logEvent.Timestamp,
Level = TranslateLevel(logEvent.Level),
Message = logEvent.MessageTemplate.Render(logEvent.Properties).Truncate(maxMessageLength),
Exceptions = logEvent.Exception.Parse(), // todo (andrew, 17.01.2018): maybe truncate if serialized Exceptions list has size > 32 kb
Properties = logEvent.Properties.ToDictionary(x => x.Key, x => x.Value.ToString())
};
// todo (spaceorc, 13.10.2017) make "host" constant somewhere in Vostok.Core/LogPropertyNames.cs
logEventData.Properties["host"] = HostnameProvider.Get();
airlockClient.Push(routingKey, logEventData, logEventData.Timestamp);
}
private void EnrichWithHostname()
{
SetTag(MetricsTagNames.Host, HostnameProvider.Get());
}
