sync all images from a starting version

[SamStenton]

It would be beneficial to be able to define a minimum version to sync against so that all versions above that initial definition are copied.

We're running Skopeo on a schedule to move images from one repo to another, I don't want to copy all images ever created but instead copy all images created that are greater than a defined version.

This might look like this when using the yaml config:

docker.io:
    images:
        busybox:
            - "~1.0.0" # Sync all patch tags
            - "^1.0.0" # Sync all minor and patch tags
            - ">1.1.5" # Sync all tags above and including 1.1.5

I know this can be achieved using the regex method however the readability of that begins to get pretty difficult and importantly it's really easy to miss edge cases.

docker.io:
    images-by-tag-regex:
        jetstack/cert-manager-webhook: (v1\.[8-9]\.[0-9]+$)|v([2-9]+)\.([0-9]+)\.[0-9]+$ # match anything above 1.8.0 (various edge cases that get missed, like v1.10.0
        jetstack/cert-manager-webhook: (v1\.[8-9]\.[0-9]+$)|v([2-9]+)\.([0-9]+)\.[0-9]+$
        istio/proxyv2: ([0-9])\.([1-9][3-9]|[2-9][0-9])\.[0-9]*$ # match anything starting from 1.13.0.

[mtrmac]

Thanks for reaching out.

This seems plausible in principle; the hard thing is finding a versioning standard that is widely applicable (with things like patches, pre-releases and the like), to minimize the number of almost-but-not-quite-the-same options.

At some point there was some work on #965 using the “semantic versioning” syntax.

[SamStenton]

#996 would suggest that made it in - but can't find this compare feature. Syntax in 965 would be great.

[mtrmac]

I think there was some mix-up in #965 vs #996 , I’m not sure what exactly happened back then. Either way, the feature doesn’t exist right now.

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[k11h-de]

@SamStenton Have you found any working and user-friendly solution for now (apart from regex)?
Maybe we can use the initial work done in #965 and enhance / finish it.
As my focus is in devops, my coding skills are not very advanced.

I would love to see this feature and happy to contribute whatever I can.
Cheers from Berlin
Karsten

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[mtrmac]

#2189 has implemented a semver filter.