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I am a begginer developer. Please help to find my mistake I have a helm chart with ytt .yml files. I going to deploy the chart in argo. There are many links for helm+argo/kubernetes, but poor with helm+ytt+argo/kubernetes. My ytt files are in the templates. During experimnets with steps getting in internet I got error related to sintax helm-ytt and resolved for example like {{ to {{ `{{ . But after that does not deployed to. Please introduce some simple example for "helm+ytt+argo/kubernetes" or take steps for "helm chart +ytt+argo/kubernetes". I need that wery wery mach

Armenuhi Kocharyan
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ArgoCD doesn't have a built-in ytt interpreter. You'd need to combine your deployment with kapp from carvel.dev.

I'd suggest to start simple, i.e. 1) ytt, then 2) ytt + kapp, afterwards 3) ytt + kapp + argocd, etc...

Bernard Halas
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While ArgoCD doesn't have a built-in ytt interpreter, it has at least two ways to integrate with other interpreters like ytt:

  • a customizable plugins system,
  • a sidecar system.

The customizable plugins system is relatively straightforward, and there is a detailed ArgoCD + ytt integration example in the Carvel blog. However, according to ArgoCD documentation, it is due to be deprecated eventually.

It is supposed to be replaced by the sidecar system, which is also detailed in the same page of ArgoCD documentation.

It's worth keeping in mind that the integration isn't as smooth as a native integration would be; for instance, passing values requires a bit of extra work (you'd have to use an annotated values file instead of --data-values-file, for instance).

(Thanks to @crenshaw-dev for pointing out that the plugins system will be eventually deprecated!)

jpetazzo
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  • Also note that configuring plugins via `argocd-cm` is deprecated - the preferred method is now with a sidecar. https://argo-cd.readthedocs.io/en/latest/operator-manual/config-management-plugins/ – crenshaw-dev May 18 '23 at 14:59
  • Ohhh good catch, thanks! Do you think I should update my reply accordingly? (Unsure about what's the correct Stack Overflow etiquette there ) – jpetazzo May 22 '23 at 05:41
  • In my experience, SO etiquette is inscrutable. Might be nice to add a quick note, but tbh just go with what feels good. :-D – crenshaw-dev May 22 '23 at 14:18