Typed resources for every AWX credential type
A generic credential resource works, and it puts the whole burden of knowing what goes inside on whoever writes the terraform.
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golang
What a GitLab token can be depends on which GitLab you ask
Access levels arrive in GitLab releases, so validating them without knowing the version gets you a plausible error at the wrong time.
Generics and hooks in a generated terraform provider
Every AWX quirk used to mean another branch in a template. Now it's a field on a config struct.
Go templates as the source of a terraform provider
The AWX API describes every resource, so the provider is thirteen templates and a config file that says where the description lies.
One provider, many AWX versions
AWX changes its API between releases, so the provider has to know which release it was generated from.
Generating a terraform provider from the AWX API
AWX describes its own resources if you send it an OPTIONS request, so writing the schemas by hand was work I did not need to do.
A Vault secrets engine for GitLab tokens
GitLab tokens live in CI variables for a year at a time, and nobody remembers which ones are still there.
Writing a terraform provider for AWX
AWX has a perfectly good API, but managing it by hand stops scaling the moment more than one person touches it.
Automatic collection of prometheus metrics, cadvisor and grafana in Docker Swarm
Last time in were exposing some metrics for a golang application, but exposing the data is useless without having a way to visualise it or even store it somewhere in a location so we can analyze...
Golang remote profiling and flamegraphs
Quite often we are found with a challenge to troubleshoot something in production, or to see why is our application slow, or why isn't it serving requests fast enough.
Exposing metrics in your golang application
A lot of times it's useful to expose metrics for your application so you can know what is going on with the application, there are two ways you can do this one it's either using a pull or a push...
Tracking versions in Go
Some of my services were written in Go, and we wanted a way to track which version was used, so we can track and solve issues. Or even see when the application was deployed or from which source...