How can I modify revisionHistoryLimit using commands?

[Manoj Khotele]

Hello,

I want to deploy same image in different k8s-cluster; which are basically meant for different development environments.

But I want to use the same deployment yaml file.

I would like to achieve environment specific deviation by running additional commands.

So how can I modify revisionHistoryLimit using commands?

http://kubernetes.io/docs/user-guide/deployments/#revision-history-limit

Best Regards,

Manoj

[Daniel Smith]

Haven't tried it, but a PATCH request like below should do the trick.

kubectl patch deployment dep-name -p '{"spec":{"revisionHistoryLimit":0}}'

But you should also consider substituting the correct value before you push at all, to eliminate a class of errors. Pushing a 0 and then changing it to something bigger is going to blow away all the history!

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