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Like a dufus this morning I did a hard reset on a git repo for getting I was working on a manifest for. You see I generally use argo, but occasionally I have no idea what I am doing or want yet and I start raw doggin it, fully aware that I'm going to just nuke this namespace before getting it into a proper argocd.
I was overjoyed when I found out that you can diff your manifests with live
production using the kubectl diff command. It uses standard diff so you can
bring all your fancy diff viewers you like.
# regular manifest kubectl diff -f k8s/shots -n shot # kustomize kubectl diff -k k8s -n go-waylonwalker-com # using a fancy diff viewer kubectl diff -f k8s/shots -n shot | delta # using an even fancier diff viewer # pinkies out for this one kubectl diff -f k8s/shots -n shot | delta --diff-so-fancy
Now I can get those changes back that I thought I lost, and apply updates with confidence knowing what is about to change.