public static LoggerConfiguration ELKBulk(this LoggerSinkConfiguration lc, SinkOptions options)
{
if (lc == null)
{
throw new ArgumentNullException(nameof(lc));
}
return(lc.Sink(new ELKSink(options), options.RestrictedToMinLevel));
}
public ELKSink(SinkOptions options, bool includeDiagnostics = false)
: base(options.BatchLimit, options.Period)
{
this.options = options;
this.includeDiagnostics = includeDiagnostics;
}
public static LoggerConfiguration ELKBulk(this LoggerSinkConfiguration lc, SinkOptions options)
{
if (lc == null)
throw new ArgumentNullException(nameof(lc));
return lc.Sink(new ELKSink(options), options.RestrictedToMinLevel);
}
public ELKSink(SinkOptions options, bool includeDiagnostics = false)
: base(options.BatchLimit, options.Period)
{
this.options = options;
this.includeDiagnostics = includeDiagnostics;
}
public static string EventToJson(LogEvent logEvent, SinkOptions options)
{
if (logEvent == null)
{
throw new ArgumentNullException(nameof(logEvent));
}
var payload = new Dictionary <string, object>();
try
{
foreach (var kvp in logEvent.Properties)
{
if (options.ShouldPropertyBeIgnored?.Invoke(kvp.Key) ?? false)
{
continue;
}
var safeKey = kvp.Key
.Replace(" ", string.Empty)
.Replace(":", string.Empty)
.Replace("-", string.Empty)
.Replace("_", string.Empty);
int dummy;
if (int.TryParse(kvp.Key, out dummy))
{
continue;
}
var simpleValue = SerilogPropertyFormatter.Simplify(kvp.Value);
payload[safeKey] = simpleValue;
}
payload["Level"] = logEvent.Level.ToString();
payload["@timestamp"] = logEvent.Timestamp;
var message = logEvent.RenderMessage();
var messageBytes = Encoding.UTF8.GetBytes(message);
if (messageBytes.Length > MAX_TERM_BYTES)
{
var truncated = messageBytes.Length - MAX_TERM_BYTES;
var ending = $"[truncated {truncated}]";
var subLength = MAX_TERM_BYTES - ending.Length;
if (subLength > 0)
{
message = message.Substring(0, subLength) + ending;
payload["@truncated"] = truncated;
}
}
payload["Message"] = message;
if (logEvent.Exception != null)
{
payload["Exception"] = logEvent.Exception.ToString();
var stackTrace = logEvent.Exception.StackTrace;
if (stackTrace != null)
{
stackTrace = StackTraceFilterRegexp.Replace(stackTrace, string.Empty);
payload["exc_stacktrace_hash"] = GetMurmur3HashString(stackTrace);
}
}
var result = JsonConvert.SerializeObject(payload,
new JsonSerializerSettings
{
ReferenceLoopHandling = ReferenceLoopHandling.Ignore
});
return(result);
}
catch (Exception ex)
{
Trace.WriteLine($"Error extracting json from logEvent {ex}");
}
return(null);
}
