liz/PluralKit
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Save log file as both text and JSON

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This commit is contained in:
Ske 2020-04-29 00:25:31 +02:00
parent 9fa36b78ff
commit 483a9d6ed9
1 changed files with 43 additions and 4 deletions
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47
PluralKit.Core/Modules.cs
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@ -1,4 +1,5 @@
using System;
using System.Globalization;
using App.Metrics;
@ -95,20 +96,58 @@ namespace PluralKit.Core
private ILogger InitLogger(CoreConfig config)
{
var outputTemplate = "[{Timestamp:yyyy-MM-dd HH:mm:ss.ffffff}] {Level:u3} {Message:lj}{NewLine}{Exception}";
return new LoggerConfiguration()
.ConfigureForNodaTime(DateTimeZoneProviders.Tzdb)
.MinimumLevel.Debug()
.WriteTo.Async(a =>
{
// Both the same output, except one is raw compact JSON and one is plain text.
// Output simultaneously. May remove the JSON formatter later, keeping it just in cast.
// Flush interval is 250ms (down from 10s) to make "tail -f" easier. May be too low?
a.File(
(config.LogDir ?? "logs") + $"/pluralkit.{_component}.json",
outputTemplate: outputTemplate,
rollingInterval: RollingInterval.Day,
flushToDiskInterval: TimeSpan.FromMilliseconds(250),
restrictedToMinimumLevel: LogEventLevel.Information,
formatProvider: new UTCTimestampFormatProvider(),
buffered: true);
a.File(
new RenderedCompactJsonFormatter(),
(config.LogDir ?? "logs") + $"/pluralkit.{_component}.log",
(config.LogDir ?? "logs") + $"/pluralkit.{_component}.json",
rollingInterval: RollingInterval.Day,
flushToDiskInterval: TimeSpan.FromSeconds(10),
flushToDiskInterval: TimeSpan.FromMilliseconds(250),
restrictedToMinimumLevel: LogEventLevel.Information,
buffered: true))
buffered: true);
})
// TODO: render as UTC in the console, too? or just in log files
.WriteTo.Async(a =>
a.Console(theme: AnsiConsoleTheme.Code, outputTemplate:"[{Timestamp:HH:mm:ss}] {Level:u3} {Message:lj}{NewLine}{Exception}"))
a.Console(theme: AnsiConsoleTheme.Code, outputTemplate: outputTemplate, formatProvider: new UTCTimestampFormatProvider()))
.CreateLogger();
}
}
// Serilog why is this necessary for such a simple thing >.>
public class UTCTimestampFormatProvider: IFormatProvider
{
public object GetFormat(Type formatType) => new UTCTimestampFormatter();
}
public class UTCTimestampFormatter: ICustomFormatter
{
public string Format(string format, object arg, IFormatProvider formatProvider)
{
// Convert offset to UTC and then print
// FormatProvider defaults to locale-specific stuff so we force-default to invariant culture
// If we pass the given formatProvider it'll conveniently ignore it, for some reason >.>
if (arg is DateTimeOffset dto)
return dto.ToUniversalTime().ToString(format, CultureInfo.InvariantCulture);
if (arg is IFormattable f)
return f.ToString(format, CultureInfo.InvariantCulture);
return arg.ToString();
}
}
}