Earlier this year I wrote about adding Grafana annotations based on Argo CD events. Since this year I actually got around testing out Flux some more, it was natural to follow up with adding some Grafana annotations based on Flux events.
Unlike Argo, Flux has no built-in UI. CD tools should be invisible most of the time, just quietly running in the back, getting changes in the cluster. This is fine for “most of the time” when there are no changes to the applications I’m making myself or the cluster itself. It can just look at the various helm charts and other (git) sources and deploying the changes as configured. It’s nice that I can be sure that my cluster has the latest possible versions of everything running within 10-15 minutes of release (depending on the Flux
interval configured) without ever touching
When you create a whole FluxCD new setup from zero, it’s really easy: use
flux bootstrap. it does “everything” for you. In my case I tried this setup first for last year’s advent calendar. Except back then I had an expedition scheduled for the first half of December, so this took the back seat and was eventually forgotten. Therefore in this year past everything I did back then slowly sank into oblivion, so I again had to start pretty much from zero.
I did set up the repo and a cluster (on Civo) back then, but I quickly tore down the cluster when I realized I wouldn’t be able to test it all out. The repo stayed though, so now i was starting afresh with a k3s cluster spanning three nanodes (that’s a linode referral link with a $100 credit over 60 days) and a repository already set up from last year.
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