feat(vulnfeeds): add repository-level GHSA advisory converter - #6065
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…nverter - Support reading repository targets from GCS JSON/manifest files (gs://...). - Support directly uploading converted OSV records to GCS bucket. - Save execution timestamps to Datastore JobData entity (repository_ghsa_last_run). - Add Kubernetes CronJob manifests running every 6 hours (0 */6 * * *) for base, oss-vdb-test, and oss-vdb environments. - Add Dockerfile and Cloud Build step for building and staging the converter container. - Completely omit package and ecosystem fields for pure Git advisories. - Store original GHSA version bounds in range.database_specific.extracted_events.
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This PR introduces the
repository-ghsavulnerability feed converter tool undervulnfeeds/cmd/converters/repository-ghsa/to fetch and convert repository-level GitHub Security Advisories (GHSAs) into the OSV Git repository advisory schema.Summary of Changes
vulnfeeds/cmd/converters/repository-ghsa):github.go: GitHub REST API client with Bearer token authentication, cursor pagination viaLinkheader, and exponential backoff retry on HTTP 429/5xx.convert.go: Converts GHSA advisories to OSV records. Produces pure Git records (omittingpackageandecosystem), resolves version ranges against Git tags via Gitter / Git tags cache into commit SHAs (Range_GIT), and records original GHSA version bounds indatabase_specific.extracted_events.main.go: CLI tool orchestrating repository ingestion across worker goroutines. Supports reading repository lists from local files or GCS (gs://..., JSON arrays/dicts/lists), writing output to local directories or GCS buckets, and recording execution timestamps in Datastore.jobdata.go: DatastoreJobDataentity tracking (repository_ghsa_last_run) for recording job execution timestamps.Dockerfile&run_repository_ghsa.sh: Multi-stage container build and entrypoint script for running the converter in containerized environments.deployment/build-and-stage.yaml: Cloud Build pipeline steps to build, tag, and pushgcr.io/oss-vdb/repository-ghsa-convert.deployment/clouddeploy/gke-workers/): Scheduled every 6 hours (0 */6 * * *) in base feeds with environment overlays foross-vdb-test(test bucket) andoss-vdb(prod bucket).github_test.go,convert_test.go,jobdata_test.go, andmain_test.gowith 100% pass rate and zero race conditions (-race).poetry run ./tools/lint_and_format.sh.agy