helm.Release ClientOnly Option for Previews

[rawkode]

Hello!

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Issue details

Currently, when running a pulumi up or pulumi preview, the helm.Release resource uses ClientOnly mode to template out the Helm Chart.

Helm provides a capability checker that allows for Helm charts to check for the existence of a API namespace and resource, which can fail without reaching out to the server.

I'm proposing that we allow clientOnly to be an option to helm.Release that allows the user to change this behaviour, though we'll default to existing behaviour of true.

Related #1904

Affected area/feature

• Helm Release

[EronWright]

I believe this issue has been made obsolete by #2672, because we no longer use templating during Check.