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constrain file logger size

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This commit is contained in:
Shaun Walker 2021-09-17 09:17:42 -04:00
parent b5bba1fd11
commit 406a15c5bd
1 changed files with 24 additions and 14 deletions
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38
Oqtane.Server/Infrastructure/Logging/FileLogger.cs
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@ -45,6 +45,8 @@ namespace Oqtane.Infrastructure
}
string folder = Path.Combine(_environment.ContentRootPath, "Content", "Log");
var filepath = Path.Combine(folder, "error.log");
long size = 0;
// ensure directory exists
if (!Directory.Exists(folder))
@ -52,26 +54,34 @@ namespace Oqtane.Infrastructure
Directory.CreateDirectory(folder);
}
var filepath = Path.Combine(folder, "error.log");
// only retain an error log for the current day as it is intended for development purposes
if (File.Exists(filepath) && File.GetLastWriteTimeUtc(filepath).Date < DateTime.UtcNow.Date)
if (File.Exists(filepath))
{
File.Delete(filepath);
}
var fileinfo = new FileInfo(filepath);
size = fileinfo.Length;
var logentry = string.Format("{0} [{1}] {2} {3}", "[" + DateTimeOffset.UtcNow.ToString("yyyy-MM-dd HH:mm:ss+00:00") + "]", logLevel.ToString(), formatter(state, exception), exception != null ? exception.StackTrace : "");
try
{
using (var streamWriter = new StreamWriter(filepath, true))
// only retain an error log for the current day as it is intended for development purposes
if (fileinfo.LastWriteTimeUtc.Date < DateTime.UtcNow.Date)
{
streamWriter.WriteLine(logentry);
File.Delete(filepath);
}
}
catch
// do not allow the log to exceed 1 MB
if (size < 1000000)
{
// error occurred
try
{
var logentry = string.Format("{0} [{1}] {2} {3}", "[" + DateTimeOffset.UtcNow.ToString("yyyy-MM-dd HH:mm:ss+00:00") + "]", logLevel.ToString(), formatter(state, exception), exception != null ? exception.StackTrace : "");
using (var streamWriter = new StreamWriter(filepath, true))
{
streamWriter.WriteLine(logentry);
}
}
catch
{
// error occurred
}
}
}
}