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Runtime Posture Evaluation

Module

Zastava

Status

IMPLEMENTED

Description

Runtime posture evaluator that assesses the security posture of running containers with caching support.

Implementation Details

  • IRuntimePostureEvaluator interface: src/Zastava/StellaOps.Zastava.Observer/Posture/IRuntimePostureEvaluator.cs -- evaluates runtime security posture of containers
  • RuntimePostureEvaluator: src/Zastava/StellaOps.Zastava.Observer/Posture/RuntimePostureEvaluator.cs -- default posture evaluation implementation
  • RuntimePostureEvaluationResult: src/Zastava/StellaOps.Zastava.Observer/Posture/RuntimePostureEvaluationResult.cs -- evaluation result model
  • IRuntimePostureCache: src/Zastava/StellaOps.Zastava.Observer/Posture/IRuntimePostureCache.cs -- caching interface for posture evaluations
  • RuntimePostureCache: src/Zastava/StellaOps.Zastava.Observer/Posture/RuntimePostureCache.cs -- in-memory cache for posture results
  • RuntimePostureCacheEntry: src/Zastava/StellaOps.Zastava.Observer/Posture/RuntimePostureCacheEntry.cs -- cache entry model
  • IRuntimePolicyClient: src/Zastava/StellaOps.Zastava.Observer/Backend/IRuntimePolicyClient.cs -- client for runtime policy evaluation backend
  • RuntimePolicyClient: src/Zastava/StellaOps.Zastava.Observer/Backend/RuntimePolicyClient.cs -- runtime policy client implementation
  • Tests: src/Zastava/__Tests/StellaOps.Zastava.Observer.Tests/Posture/RuntimePostureEvaluatorTests.cs
  • Source: Feature matrix scan

E2E Test Plan

  • Verify posture evaluator assesses container security state from runtime facts
  • Test posture cache returns cached results for repeated evaluations within TTL
  • Verify posture evaluation integrates with runtime policy backend
  • Test cache invalidation on container state change
  • Verify evaluation results include posture score and risk indicators