我正在使用log4net和一个自定义appender登录到Azure存储表,并且在我的Appender中访问log4net.GlobalContext
属性时遇到问题。我从Azure函数内部进行日志记录。
附加是非常简单和简单的工作正常,但我想添加一些自定义属性 - 其中一个是InvocationId,只能从Azure功能访问,所以我想知道实现这一目标的最佳方法。
知道我错过了什么吗?
追加程序
protected override void Append(LoggingEvent loggingEvent)
{
_tableCtx.Log(new LogEntry
{
Timestamp = loggingEvent.TimeStamp,
Message = loggingEvent.RenderedMessage,
Level = loggingEvent.Level.Name,
// properties is always empty
InvocationId = loggingEvent.Properties["InvocationId"],
PartitionKey = loggingEvent.LoggerName,
});
}
Azure功能
public static async Task<HttpResponseMessage> MyFunction([HttpTrigger(AuthorizationLevel.Function, "post")]HttpRequestMessage req, ILogger log, ExecutionContext context)
{
log4net.GlobalContext.Properties["InvocationId"] = context.InvocationId;
using (var config = Assembly.GetExecutingAssembly().GetManifestResourceStream("MyFunc.logging.config"))
{
log4net.Config.XmlConfigurator.Configure(config);
}
var log = LogManager.GetLogger(context.FunctionName);
}
尝试
loggingEvent.GetProperties()["InvocationId"]
要么
loggingEvent.LookupProperty("InvocationId")
有关详细信息,请参阅here
初始化log4net后,您必须设置该属性:
using (var config = Assembly.GetExecutingAssembly().GetManifestResourceStream("MyFunc.logging.config"))
{
log4net.Config.XmlConfigurator.Configure(config);
}
var log = LogManager.GetLogger(context.FunctionName);
log4net.GlobalContext.Properties["InvocationId"] = context.InvocationId;
您还必须在尚未初始化时初始化log4net。每次通话都这样做效率不高。
我最终做到了这一点,这比我想象的要简单。
log4net.LogicalThreadContext.Properties["InvocationId"].ToString()