Skip to main content

Serilog - IDiagnosticContext

The ‘classic’ way I used to attach extra properties to a log message in Serilog was through the LogContext.

From the documentation:

Properties can be added and removed from the context using LogContext.PushProperty():

Disadvantage of using the LogContext is that the additional information is only available inside the scope of the specific logcontext(or deeper nested contexts). This typically leads to a larger number of logs which doesn’t always help to find out what is going on.

Today I try to follow a different approach where I only log a single message at the end of an operation. Idea is that the log message is enriched during the lifetime of an operation and that we end up with a single log entry.

This is easy to achieve in Serilog thanks to the IDiagnosticContext interface. The diagnostic context is provides an execution context (similar to LogContext) with the advantage that it can be enriched throughout its lifetime. The request logging middleware then uses this to enrich the final “log completion event”.

More info:

Popular posts from this blog

DevToys–A swiss army knife for developers

As a developer there are a lot of small tasks you need to do as part of your coding, debugging and testing activities.  DevToys is an offline windows app that tries to help you with these tasks. Instead of using different websites you get a fully offline experience offering help for a large list of tasks. Many tools are available. Here is the current list: Converters JSON <> YAML Timestamp Number Base Cron Parser Encoders / Decoders HTML URL Base64 Text & Image GZip JWT Decoder Formatters JSON SQL XML Generators Hash (MD5, SHA1, SHA256, SHA512) UUID 1 and 4 Lorem Ipsum Checksum Text Escape / Unescape Inspector & Case Converter Regex Tester Text Comparer XML Validator Markdown Preview Graphic Color B

Help! I accidently enabled HSTS–on localhost

I ran into an issue after accidently enabling HSTS for a website on localhost. This was not an issue for the original website that was running in IIS and had a certificate configured. But when I tried to run an Angular app a little bit later on http://localhost:4200 the browser redirected me immediately to https://localhost . Whoops! That was not what I wanted in this case. To fix it, you need to go the network settings of your browser, there are available at: chrome://net-internals/#hsts edge://net-internals/#hsts brave://net-internals/#hsts Enter ‘localhost’ in the domain textbox under the Delete domain security policies section and hit Delete . That should do the trick…

Azure DevOps/ GitHub emoji

I’m really bad at remembering emoji’s. So here is cheat sheet with all emoji’s that can be used in tools that support the github emoji markdown markup: All credits go to rcaviers who created this list.