public void Format(IEnumerable <LogEvent> logEvents, ITextFormatter formatter, TextWriter output)
{
if (logEvents == null)
{
throw new ArgumentNullException(nameof(logEvents));
}
if (output == null)
{
throw new ArgumentNullException(nameof(output));
}
if (!logEvents.Any())
{
return;
}
var batch = new GrafanaLokiBatch();
foreach (LogEvent logEvent in logEvents)
{
var stream = new GrafanaLokiStream();
batch.Streams.Add(stream);
stream.Labels.AddOrReplace("level", GetLevel(logEvent.Level));
foreach (var item in _globalLabels)
{
stream.Labels.AddOrReplace(item.Key, item.Value);
}
foreach (KeyValuePair <string, LogEventPropertyValue> property in logEvent.Properties)
{
// Some enrichers pass strings with quotes surrounding the values inside the string,
// which results in redundant quotes after serialization and a "bad request" response.
// To avoid this, remove all quotes from the value.
stream.Labels.AddOrReplace(property.Key, property.Value.ToString().Replace("\"", ""));
}
var sb = new StringBuilder();
sb.AppendLine(logEvent.RenderMessage());
if (logEvent.Exception != null)
{
var e = logEvent.Exception;
while (e != null)
{
sb.AppendLine(e.Message);
sb.AppendLine(e.StackTrace);
e = e.InnerException;
}
}
stream.Entries.AddOrAppend(Helpers.GetUnixTimestamp(), sb.ToString().TrimEnd(new char[] { '\r', '\n' }));
}
if (batch.Streams.Count > 0)
{
output.Write(batch.Serialize());
}
}
public void Format(IEnumerable <string> logEvents, TextWriter output)
{
if (logEvents == null)
{
throw new ArgumentNullException(nameof(logEvents));
}
if (output == null)
{
throw new ArgumentNullException(nameof(output));
}
if (!logEvents.Any())
{
return;
}
var batch = new GrafanaLokiBatch();
foreach (string logEvent in logEvents)
{
if (string.IsNullOrEmpty(logEvent))
{
continue;
}
var stream = new GrafanaLokiStream();
batch.Streams.Add(stream);
foreach (var item in _globalLabels)
{
stream.Labels.AddOrReplace(item.Key, item.Value);
}
stream.Entries.AddOrAppend(Helpers.GetUnixTimestamp(), logEvent.TrimEnd(new char[] { '\r', '\n' }));
}
if (batch.Streams.Count > 0)
{
output.Write(batch.Serialize());
}
}