How can I tell whether my app is installed with Helm v2 or Helm v3?

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Question

How can I tell whether my app was installed with Helm v2 or Helm v3?

Pre-requisites

  • kubectl access to the cluster the app is deployed in

Answer

The easiest way is to check what version of Helm was used to deploy resources is to look at the heritage label. For example, to check whether Rancher was installed via Helm v2 or v3, run:

kubectl get deployment -n cattle-system rancher -o yaml | grep heritage

The heritage version defines what version of helm was used to install this chart.

heritage: Tiller - This is a Helm v2 resource

heritage: Helm - This is a Helm v3 resource

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