Using Flux in Microk8s

This post is a rather short one like a real tweet but I hope it help people who might be in the same situation as me and can’t find much information online.

This time we are talking about Microk8s and Flux. Microk8s is a great implementation of Kubernetes especially useful for edge and IoT which is approved project in CNCF. Flux is an implementation for GitOps by Weaveworks which is also a candidate project of CNCF. It’s also a nice tool which brings kubernetes configuration management into another level.

They work well together but there is a small tweak required in one of the steps. When you want to authorize your flux to access your github repository (SSH based) you need public key to be introduced as Deploy Key in Github. The command which works for microk8s is the following:

microk8s.kubectl -n flux --kubeconfig /var/snap/microk8s/current/credentials/client.config logs deployment/flux | grep identity.pub | cut -d '"' -f2

That’s it and you will get the required public key.

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