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Implement ledger metrics for observability and add tests for Ruby packages endpoints
- Added `LedgerMetrics` class to record write latency and total events for ledger operations.
- Created comprehensive tests for Ruby packages endpoints, covering scenarios for missing inventory, successful retrieval, and identifier handling.
- Introduced `TestSurfaceSecretsScope` for managing environment variables during tests.
- Developed `ProvenanceMongoExtensions` for attaching DSSE provenance and trust information to event documents.
- Implemented `EventProvenanceWriter` and `EventWriter` classes for managing event provenance in MongoDB.
- Established MongoDB indexes for efficient querying of events based on provenance and trust.
- Added models and JSON parsing logic for DSSE provenance and trust information.
2025-11-13 09:29:09 +02:00
..

StellaOps Policy Engine

Policy Engine compiles and evaluates Stella DSL policies deterministically, producing explainable findings with full provenance.

Responsibilities

  • Compile stella-dsl@1 packs into executable graphs.
  • Join advisories, VEX evidence, and SBOM inventories to derive effective findings.
  • Expose simulation and diff APIs for UI/CLI workflows.
  • Emit change-stream driven events for Notify/Scheduler integrations.

Key components

  • StellaOps.Policy.Engine service host.
  • Shared libraries under StellaOps.Policy.* for evaluation, storage, DSL tooling.

Integrations & dependencies

  • MongoDB findings collections, RustFS explain bundles.
  • Scheduler for incremental re-evaluation triggers.
  • CLI/UI for policy authoring and runs.

Operational notes

  • DSL grammar and lifecycle docs in ../../policy/.
  • Observability guidance in ../../observability/policy.md.
  • Governance and scope mapping in ../../security/policy-governance.md.
  • Readiness briefs: ../policy/secret-leak-detection-readiness.md, ../policy/windows-package-readiness.md.
  • Readiness briefs: ../scanner/design/macos-analyzer.md, ../scanner/design/windows-analyzer.md, ../policy/secret-leak-detection-readiness.md, ../policy/windows-package-readiness.md.
  • Ruby capability predicates design: ./design/ruby-capability-predicates.md.

Backlog references

  • DOCS-POLICY-20-001 … DOCS-POLICY-20-012 (completed baseline).
  • DOCS-POLICY-23-007 (upcoming command updates).

Epic alignment

  • Epic 2 Policy Engine & Editor: deliver deterministic evaluation, DSL infrastructure, explain traces, and incremental runs.
  • Epic 4 Policy Studio: integrate registry workflows, simulation at scale, approvals, and promotion semantics.