[feat] Manipulate image destination based on source

[Woudan]

It would be useful to manipulate the image destination based on the source.

For example:

• source: docker.io
  destination: registry.local/repo/dockerhub
• source quay.io
  destination: registry.local/repo/quay

For quay.io/argoproj/argocd:v2.9.2 this would result in:
registry.local/repo/argoproj/argocd to registry.local/repo/quay/argoproj/argocd

This way we can keep the context of the registry from which the image originates from.

[ChristofferNissen]

Hey Woudan,

Can the example at https://github.com/ChristofferNissen/helmper/blob/main/example/helmper.yaml help answer your question?
I have an example there specifically for Argocd

- name: argo-cd
  version: 5.51.4
  repo:
    name: argo
    url: https://argoproj.github.io/argo-helm/
  images:
    exclude:
    - ref: ghcr.io/dexidp/dex
    excludeCopacetic:
    - ref: quay.io/argoproj/argocd
    modify: 
    - from: quay.io/argoproj/argocd
      to: quay.io/argoproj/argocd
    - fromValuePath: global.image.repository
      to: quay.io/argoproj/argocd

[Woudan]

Hi ChristofferNissen,

Correct that with this feature we can manipulate the source right?

What I would like to do is change the destination based on which registry is resides from. What I would like to do per helm chart or as general configuration is change a the destination registry slightly.

This way we could push dynamically based on registry that we receive images from. In our destination registry I would like to be able to distinguish from what registry the images are received.

For quay.io/argoproj/argocd:v2.9.2 the destionation would change from: registry.local/repo/argoproj/argocd -> registry.local/repo/quay/argoproj/argocd based on the quay source.

Hope that makes sense.

[ChristofferNissen]

I think i got it. This is not currently supported, but i see the value in adding it.

I am leaving a few links to places the code needs to be modified if you want to take on the job, otherwise i will look at it once i am done with my current feature.

registries:
- name: registry
  url: localhost:5000
  insecure: true
  plainHTTP: true
- name: registry
  url: localhost:5001
  insecure: true
  plainHTTP: true
  appendImageSourceToDestination: true
  appendChartSourceToDestination: true

1. Add image source to image ref before pushing here
2. Use parent helm chart name after "charts/" prefix, e.g., here