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));
}
List <LogEvent> logs = logEvents.ToList();
if (!logs.Any())
{
return;
}
var streamsDictionary = new Dictionary <string, LokiContentStream>();
foreach (LogEvent logEvent in logs)
{
var labels = new List <LokiLabel>();
foreach (LokiLabel globalLabel in this.LogLabelProvider.GetLabels())
{
labels.Add(new LokiLabel(globalLabel.Key, globalLabel.Value));
}
var time = logEvent.Timestamp.ToString("o");
var sb = new StringBuilder();
using (var tw = new StringWriter(sb))
{
formatter.Format(logEvent, tw);
}
HandleProperty("level", GetLevel(logEvent.Level), labels, sb);
foreach (KeyValuePair <string, LogEventPropertyValue> property in logEvent.Properties)
{
HandleProperty(property.Key, property.Value.ToString(), labels, sb);
}
// Order the labels so they always get the same chunk in loki
labels = labels.OrderBy(l => l.Key).ToList();
var key = string.Join(",", labels.Select(l => $"{l.Key}={l.Value}"));
if (!streamsDictionary.TryGetValue(key, out var stream))
{
streamsDictionary.Add(key, stream = new LokiContentStream());
stream.Labels.AddRange(labels);
}
// Loki doesn't like \r\n for new line, and we can't guarantee the message doesn't have any
// in it, so we replace \r\n with \n on the final message
stream.Entries.Add(new LokiEntry(time, sb.ToString().Replace("\r\n", "\n")));
}
if (streamsDictionary.Count > 0)
{
var content = new LokiContent
{
Streams = streamsDictionary.Values.ToList()
};
output.Write(content.Serialize());
}
}
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));
}
List <LogEvent> logs = logEvents.ToList();
if (!logs.Any())
{
return;
}
var content = new LokiContent();
foreach (LogEvent logEvent in logs)
{
var stream = new LokiContentStream();
content.Streams.Add(stream);
stream.Labels.Add(new LokiLabel("level", GetLevel(logEvent.Level)));
foreach (LokiLabel globalLabel in _globalLabels)
{
stream.Labels.Add(new LokiLabel(globalLabel.Key, globalLabel.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.
// We also remove any \r\n newlines and replace with \n new lines to prevent "bad request" responses
// We also remove backslashes and replace with forward slashes, Loki doesn't like those either
stream.Labels.Add(new LokiLabel(property.Key, property.Value.ToString().Replace("\"", "").Replace("\r\n", "\n").Replace("\\", "/")));
}
var time = logEvent.Timestamp.ToString("o");
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;
}
}
// Loki doesn't like \r\n for new line, and we can't guarantee the message doesn't have any
// in it, so we replace \r\n with \n on the final message
// We also flip backslashes to forward slashes, Loki doesn't like those either.
stream.Entries.Add(new LokiEntry(time, sb.ToString().Replace("\\", "/").Replace("\r\n", "\n")));
}
if (content.Streams.Count > 0)
{
output.Write(content.Serialize());
}
}
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));
}
List <LogEvent> logs = logEvents.ToList();
if (!logs.Any())
{
return;
}
var content = new LokiContent();
foreach (LogEvent logEvent in logs)
{
var stream = new LokiContentStream();
content.Streams.Add(stream);
stream.Labels.Add(new LokiLabel("level", GetLevel(logEvent.Level)));
foreach (LokiLabel globalLabel in _globalLabels)
{
stream.Labels.Add(new LokiLabel(globalLabel.Key, globalLabel.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.Add(new LokiLabel(property.Key, property.Value.ToString().Replace("\"", "")));
}
var localTime = DateTime.Now;
var localTimeAndOffset = new DateTimeOffset(localTime, TimeZoneInfo.Local.GetUtcOffset(localTime));
var time = localTimeAndOffset.ToString("o");
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.Add(new LokiEntry(time, sb.ToString()));
}
if (content.Streams.Count > 0)
{
output.Write(content.Serialize());
}
}
