Catalog content discovery #2782
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eusebiu-constantin-petu-dbk
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Codecov ReportAttention: Patch coverage is
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## main #2782 +/- ##
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- Coverage 91.93% 91.88% -0.06%
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Files 170 170
Lines 30126 30282 +156
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+ Hits 27697 27824 +127
- Misses 1806 1829 +23
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I gave it a try and found some problem I think. I updated the original issue: #2715 (comment) and will take a deeper look. |
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Also be mindful about access control - one may not have read access to all repos. |
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@uvegla Thank you very much for your work on this! |
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feat(api): added /v2/_catalog pagination, fixes project-zot#2715 Signed-off-by: Eusebiu Petu <petu.eusebiu@gmail.com>
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| sort.Strings(subPaths) | ||
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| storePath := rh.c.StoreController.GetStorePath(lastEntry) | ||
| if storePath == storage.DefaultStorePath { |
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So the entries are not sorted by names? The default store entries are always first?
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| subStore := rh.c.StoreController.SubStore | ||
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| subPaths := make([]string, 0) |
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Can you add more comments? It's a bit hard to follow the logic of this function.
Are there assumptions being made about the order of the substores relative to the default store?
This spec https://github.com/openshift/docker-distribution/blob/master/docs/spec/api.md#pagination mentions "The catalog result set is represented abstractly as a lexically sorted list,"
How would the logic behave if I have a substore for folder /b/ and another for folder /d/?
Repos /a/ are supposed to be first from the default store followed from repos /b/ from the 1st substore, followed by repos /c/ from the default store, followed by repos /d/ from the 2nd substore, followed by repos /e/ from the default strore...
Of course you could have cases such as /aa/, /ab/, and other folders.
We may agree that in out zot implementation we don't care about lexical sorting, since _catalog is not part or the oci dist spec, but in this case let's make that clear in the code/comments/docs?
| img := CreateRandomImage() | ||
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| repoNames := []string{ | ||
| "alpine1", "alpine2", "alpine3", |
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Can we mix them so the results from the default store and substores are not in alphabetical order?
Let's say substores with paths /a and /c, and images "alpine1", "alpine2", "alpine3", "a/alpine4", "a/alpine5", "a/alpine6", "b/alpine7", "b/alpine8", "b/alpine9", "c/alpine10", "c/alpine11", "c/alpine12", "d/alpine10", "d/alpine11", "d/alpine12". Also some entries not having a folder in path.
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Tested locally, looks good to me now! 🙂 Thank you for working on this! 👍🏻 |
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@eusebiu-constantin-petu-dbk can you take a look at @andaaron 's comments? |
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By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.