vendir: Fetch helm-chart from OCI repository with authentication

[thriqon]

What would you like help with?

Other

How are you running Renovate?

Self-hosted

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v38.87.1 / Bitbucket Server

Please tell us more about your question or problem

I'm using vendir to update helm-charts from various repositories without authentication. For a new item I have to use authentication, though, and I'm wondering if this is supported at all.

Vendir by itself supports authentication by referencing Secrets in the same or a different file, but I found no way to configure this with renovate.

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[secustor]

https://docs.renovatebot.com/getting-started/private-packages/