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SBOM Lineage Edge Persistence (PostgreSQL)

Module

SbomService

Status

IMPLEMENTED

Description

PostgreSQL-backed persistence for SBOM lineage graph edges with ISbomLineageEdgeRepository interface, sbom_lineage_edges table schema, and in-memory test implementation. Stores parent-child relationships between SBOM versions across image rebuilds.

Implementation Details

  • Lineage library: src/SbomService/__Libraries/StellaOps.SbomService.Lineage/ -- core lineage graph logic
  • Migrations: src/SbomService/__Libraries/StellaOps.SbomService.Lineage/Persistence/Migrations/00001_InitialSchema.sql -- sbom_lineage_edges table and schema
  • VEX delta repository: src/SbomService/__Libraries/StellaOps.SbomService.Lineage/Repositories/VexDeltaRepository.cs -- VEX delta tracking per edge
  • SBOM models: src/SbomService/StellaOps.SbomService/Models/SbomLedgerModels.cs, SbomVersionEvents.cs, SbomAssetEvents.cs
  • Source: SPRINT_20251228_005_BE_sbom_lineage_graph_i.md

E2E Test Plan

  • Verify edge persistence stores parent-child relationships correctly
  • Test edge retrieval for lineage graph traversal
  • Verify migration creates expected schema
  • Test in-memory implementation for unit testing