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git.stella-ops.org/docs/modules/zastava

StellaOps Zastava

Zastava monitors running workloads, verifies supply chain posture, and enforces runtime policy via Kubernetes admission webhooks.

Latest updates (2025-12-02)

  • DSSE-signed schemas, thresholds, exports, and deterministic zastava-kit bundle published under docs/modules/zastava; verification via kit/verify.sh and hashes in SHA256SUMS.
  • Sprint tracker docs/implplan/SPRINT_0335_0001_0001_docs_modules_zastava.md and module TASKS.md added to mirror status.
  • Observability runbook stub + dashboard placeholder added under operations/ (offline import).
  • Surface.Env/Surface.Secrets adoption remains pending platform contracts; align with platform docs before enabling sealed mode.

Responsibilities

  • Observe node/container activity and emit runtime events.
  • Validate signatures, SBOM presence, and backend verdicts before allowing containers.
  • Buffer and replay events during disconnections.
  • Trigger delta scans when runtime posture drifts.

Key components

  • StellaOps.Zastava.Observer daemonset.
  • StellaOps.Zastava.Webhook admission controller.
  • Shared contracts in StellaOps.Zastava.Core.

Integrations & dependencies

  • Authority for OpToks and mTLS.
  • Scanner/Scheduler for remediation triggers.
  • Notify/UI for runtime alerts and dashboards.

Operational notes

  • Runbook ./operations/observability.md (stub) plus dashboard placeholder ./operations/dashboards/zastava-observability.json.
  • Legacy runtime runbook assets remain under ./operations if present; keep offline kit bundles deterministic.
  • DPoP/mTLS rotation guidance shared with Authority.
  • ./operations/runtime.md
  • ./operations/runtime-grafana-dashboard.json
  • ./operations/runtime-prometheus-rules.yaml

Implementation Status

Current Objectives

  • Maintain deterministic behaviour and offline parity across releases
  • Keep documentation, telemetry, and runbooks aligned with latest sprint outcomes
  • Coordinate with platform contracts before enabling sealed mode

Core Capabilities

  • Runtime event observation: node/container activity monitoring
  • Admission control: signature validation, SBOM presence, backend verdict checks
  • Disconnection resilience: event buffering and replay during network outages
  • Delta scan triggering when runtime posture drifts

Key Components

  • StellaOps.Zastava.Observer daemonset for runtime monitoring
  • StellaOps.Zastava.Webhook admission controller for policy enforcement
  • StellaOps.Zastava.Core shared contracts

Integration Points

  • Authority: OpToks and mTLS for secure communication
  • Scanner/Scheduler: remediation trigger coordination
  • Notify/UI: runtime alerts and dashboard visualization
  • Platform contracts: Surface.Env/Surface.Secrets (pending alignment)

Operational Assets (Sprint 0335 · 2025-12-02)

  • DSSE-signed schemas, thresholds, exports in docs/modules/zastava
  • Deterministic zastava-kit bundle with verification via kit/verify.sh
  • SHA256SUMS for bundle integrity validation
  • Observability runbook: operations/observability.md
  • Dashboard placeholder: operations/dashboards/zastava-observability.json
  • Legacy assets: operations/runtime.md, runtime-grafana-dashboard.json, runtime-prometheus-rules.yaml

Technical Decisions

  • Deterministic offline kit bundles with signed manifests
  • DPoP/mTLS rotation guidance shared with Authority
  • Surface.Env/Surface.Secrets adoption pending platform contract finalization

Coordination Approach

  • Review AGENTS.md before starting new work
  • Sync with cross-cutting teams via docs/implplan/SPRINT_*.md
  • Track backlog: ZASTAVA runtime tasks in ../../TASKS.md
  • Webhook smoke tests: src/Zastava/**/TASKS.md
  • Sprint tracker: docs/implplan/SPRINT_0335_0001_0001_docs_modules_zastava.md
  • Module status mirror: docs/modules/zastava/TASKS.md

Backlog references

  • ZASTAVA runtime tasks in ../../TASKS.md.
  • Webhook smoke tests tracked in src/Zastava/**/TASKS.md.