Add mirror command and API for selective package mirroring#40
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Add mirror command and API for selective package mirroring#40
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Add a `proxy mirror` CLI command and `/api/mirror` API endpoints that pre-populate the cache from various input sources: individual PURLs, SBOM files (CycloneDX and SPDX), or full registry enumeration. The mirror reuses the existing handler.Proxy.GetOrFetchArtifact() pipeline so cached artifacts are identical to those fetched on demand. A bounded worker pool controls download parallelism. Metadata caching is opt-in via `cache_metadata: true` in config (or PROXY_CACHE_METADATA=true). The mirror command always enables it. When enabled, upstream metadata responses are stored for offline fallback with ETag-based conditional revalidation. New internal/mirror package with Source interface, PURLSource, SBOMSource, RegistrySource, and async JobStore. New metadata_cache database table for offline metadata serving.
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Adds a
proxy mirrorCLI command and/api/mirrorREST endpoints for pre-populating the cache from multiple input sources.Input modes (narrowest to broadest):
proxy mirror pkg:npm/lodash@4.17.21proxy mirror pkg:npm/lodashproxy mirror --sbom sbom.cdx.json(CycloneDX JSON/XML, SPDX JSON/tag-value)proxy mirror --registry npm(stub, returns clear not-yet-implemented error)Architecture:
internal/mirror/package withSourceinterface and implementationshandler.Proxy.GetOrFetchArtifact()for fetch-and-cacheerrgroupwith--concurrencyflag (default 4)--dry-runflag to preview what would be mirroredmetadata_cachedatabase table for offline metadata servingAPI endpoints:
POST /api/mirror- start a mirror jobGET /api/mirror/{id}- check job statusDELETE /api/mirror/{id}- cancel a running jobNew dependencies:
github.com/CycloneDX/cyclonedx-go- CycloneDX SBOM parsinggithub.com/spdx/tools-golang- SPDX SBOM parsingRelated to #20.