Replace hardcoded resolver cache mutation with CSV cache.Source. #2632
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Signed-off-by: Ben Luddy <[email protected]>
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The resolver depends on getting a cache of snapshots of all available catalogs, then synthesizing an extra snapshot containing the CSVs in the target namespace and inserting it into the cache. The
cache.Sourceandcache.SourceProviderinterfaces were introduced to support injecting cache entries from various non-registry sources. Implementing these interfaces reduces the coupling between the core resolution component and the CSV API, which should be a benefit if/when it comes time to support new on-cluster dependency resolution APIs. As an added benefit, the exported surface of the cache package shrinks.