I have an Azure Function app that uses other DLLs. I'm trying to get the logging from those DLLs, which uses TraceSource or Trace.*, to show up in the azure functions/webjobs host window when running locally (and hopefully when running in Azure). Is there any way to connect them, like adding a TraceListener statically that pipes into the host?
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Janusz Nowak
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Josh
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Is it the same question as https://stackoverflow.com/questions/46057549/is-it-possible-to-use-custom-trace-listeners-config-with-azure-function-apps ? – Mikhail Shilkov Sep 19 '17 at 12:43
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It's the other direction – Josh Sep 19 '17 at 15:43
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There's a solution for wiring up a TraceListener here: https://github.com/Azure/azure-webjobs-sdk-script/issues/688. Let me know if that works for you.
brettsam
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That's the other direction. I don't want to add a listener. There already is one (or something) that the Azure Functions host uses to display things logged via the `TraceWriter` parameter in each function, but normal tracing doesn't seem to go to it. – Josh Sep 20 '17 at 21:23
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You have a library that uses `Trace.Writeline()` (or similar) and want it to go to the Functions logs? That link shows how you can to wire up a Listener that pushes those traces through the TraceWriter. Nothing in Functions/WebJobs explicitly looks for traces like that today, so you'd need to wire one up and send it through the Functions TraceWriter. – brettsam Sep 21 '17 at 13:15