# Stella Ops Upgrade Runbook

This runbook provides step-by-step procedures for upgrading Stella Ops with evidence continuity preservation.

## Quick Reference

| Phase | Duration | Owner | Rollback Point |
|-------|----------|-------|----------------|
| Pre-Upgrade | 2-4 hours | Platform Team | N/A |
| Backup | 1-2 hours | DBA | Full restore |
| Deploy Green | 30-60 min | Platform Team | Abort deploy |
| Cutover | 15-30 min | Platform Team | Instant rollback |
| Validation | 1-2 hours | QA + Security | 72h observation |
| Cleanup | 30 min | Platform Team | N/A |

## Pre-Upgrade Checklist

### Environment Verification

```bash
# Step 1: Record current version
stella version > /tmp/pre-upgrade-version.txt
echo "Current version: $(cat /tmp/pre-upgrade-version.txt)"

# Step 2: Verify system health
stella doctor --full --output /tmp/pre-upgrade-health.json
if [ $? -ne 0 ]; then
  echo "ABORT: System health check failed"
  exit 1
fi

# Step 3: Check pending migrations
stella system migrations-status
# Ensure no pending migrations before upgrade

# Step 4: Verify queue depths
stella queue status --all
# All queues should be empty or near-empty
```

### Evidence Integrity Baseline

```bash
# Step 5: Capture evidence baseline
stella evidence verify-all \
  --output /backup/pre-upgrade-evidence-baseline.json \
  --include-merkle-roots

# Step 6: Export Merkle root summary
stella evidence roots-export \
  --output /backup/pre-upgrade-merkle-roots.json

# Step 7: Record evidence counts
stella evidence stats > /backup/pre-upgrade-evidence-stats.txt
```

### Backup Procedures

```bash
# Step 8: PostgreSQL backup
BACKUP_TIMESTAMP=$(date +%Y%m%d-%H%M%S)
pg_dump -Fc -d stellaops -f /backup/stellaops-${BACKUP_TIMESTAMP}.dump

# Step 9: Verify backup integrity
pg_restore --list /backup/stellaops-${BACKUP_TIMESTAMP}.dump > /dev/null
if [ $? -ne 0 ]; then
  echo "ABORT: Backup verification failed"
  exit 1
fi

# Step 10: Evidence bundle backup
stella evidence export \
  --all \
  --output /backup/evidence-bundles-${BACKUP_TIMESTAMP}/

# Step 11: Configuration backup
kubectl get configmap -n stellaops -o yaml > /backup/configmaps-${BACKUP_TIMESTAMP}.yaml
kubectl get secret -n stellaops -o yaml > /backup/secrets-${BACKUP_TIMESTAMP}.yaml
```

### Pre-Flight Approval

Complete this checklist before proceeding:

- [ ] Current version documented
- [ ] System health: GREEN
- [ ] Evidence baseline captured
- [ ] PostgreSQL backup completed and verified
- [ ] Evidence bundles exported
- [ ] Configuration backed up
- [ ] Maintenance window approved
- [ ] Stakeholders notified
- [ ] Rollback plan reviewed

**Approver signature**: __________________ **Date**: __________

## Upgrade Execution

### Deploy Green Environment

```bash
# Step 12: Create green namespace
kubectl create namespace stellaops-green

# Step 13: Copy secrets to green namespace
kubectl get secret stellaops-secrets -n stellaops -o yaml | \
  sed 's/namespace: stellaops/namespace: stellaops-green/' | \
  kubectl apply -f -

# Step 14: Deploy new version
helm upgrade stellaops-green ./helm/stellaops \
  --namespace stellaops-green \
  --values values-production.yaml \
  --set image.tag=${TARGET_VERSION} \
  --wait --timeout 10m

# Step 15: Verify deployment
kubectl get pods -n stellaops-green -w
# Wait for all pods to be Running and Ready
```

### Run Migrations

```bash
# Step 16: Apply Category A migrations (startup)
stella system migrations-run \
  --category A \
  --namespace stellaops-green

# Step 17: Verify migration success
stella system migrations-status --namespace stellaops-green
# All migrations should show "Applied"

# Step 18: Apply Category B migrations if needed (manual)
# Review migration list first
stella system migrations-pending --category B

# Apply after review
stella system migrations-run \
  --category B \
  --namespace stellaops-green \
  --confirm
```

### Evidence Migration (If Required)

```bash
# Step 19: Check if evidence migration needed
stella evidence migrate --dry-run --namespace stellaops-green

# Step 20: If migration needed, execute
stella evidence migrate \
  --namespace stellaops-green \
  --batch-size 100 \
  --progress

# Step 21: Verify evidence integrity post-migration
stella evidence verify-all \
  --namespace stellaops-green \
  --output /tmp/post-migration-evidence.json
```

### Health Validation

```bash
# Step 22: Run health checks on green
stella doctor --full --namespace stellaops-green

# Step 23: Run smoke tests
stella test smoke --namespace stellaops-green

# Step 24: Verify critical paths
stella test critical-paths --namespace stellaops-green
```

## Traffic Cutover

### Gradual Cutover

```bash
# Step 25: Enable canary (10%)
kubectl apply -f - <<EOF
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: stellaops-canary
  namespace: stellaops-green
  annotations:
    nginx.ingress.kubernetes.io/canary: "true"
    nginx.ingress.kubernetes.io/canary-weight: "10"
spec:
  ingressClassName: nginx
  rules:
  - host: stellaops.company.com
    http:
      paths:
      - path: /
        pathType: Prefix
        backend:
          service:
            name: stellaops-api
            port:
              number: 80
EOF

# Step 26: Monitor for 15 minutes
# Check error rates, latency, evidence operations

# Step 27: Increase to 50%
kubectl patch ingress stellaops-canary -n stellaops-green \
  --type='json' \
  -p='[{"op": "replace", "path": "/metadata/annotations/nginx.ingress.kubernetes.io~1canary-weight", "value": "50"}]'

# Step 28: Monitor for 15 minutes

# Step 29: Complete cutover (100%)
kubectl patch ingress stellaops-canary -n stellaops-green \
  --type='json' \
  -p='[{"op": "replace", "path": "/metadata/annotations/nginx.ingress.kubernetes.io~1canary-weight", "value": "100"}]'
```

### Monitoring During Cutover

Watch these dashboards:
- Grafana: Stella Ops Overview
- Grafana: Evidence Operations
- Grafana: Attestation Pipeline

Alert thresholds:
- Error rate > 1%: Pause cutover
- p99 latency > 5s: Investigate
- Evidence failures > 0: Rollback

## Post-Upgrade Validation

### Evidence Continuity Verification

```bash
# Step 30: Verify chain-of-custody
stella evidence verify-continuity \
  --baseline /backup/pre-upgrade-evidence-baseline.json \
  --output /reports/continuity-report.html

# Step 31: Verify Merkle roots
stella evidence verify-roots \
  --baseline /backup/pre-upgrade-merkle-roots.json \
  --output /reports/roots-verification.json

# Step 32: Compare evidence stats
stella evidence stats > /tmp/post-upgrade-evidence-stats.txt
diff /backup/pre-upgrade-evidence-stats.txt /tmp/post-upgrade-evidence-stats.txt

# Step 33: Generate audit report
stella evidence audit-report \
  --since "${UPGRADE_START_TIME}" \
  --format pdf \
  --output /reports/upgrade-audit-$(date +%Y%m%d).pdf
```

### Functional Validation

```bash
# Step 34: Full integration test
stella test integration --full

# Step 35: Scan test
stella scan \
  --image registry.company.com/test-app:latest \
  --sbom-format spdx-2.3

# Step 36: Attestation test
stella attest \
  --subject sha256:test123 \
  --predicate-type slsa-provenance

# Step 37: Policy evaluation test
stella policy evaluate \
  --artifact sha256:test123 \
  --environment production
```

### Post-Upgrade Checklist

- [ ] Evidence continuity verified
- [ ] Merkle roots consistent
- [ ] All services healthy
- [ ] Integration tests passing
- [ ] Scan capability verified
- [ ] Attestation generation working
- [ ] Policy evaluation working
- [ ] No elevated error rates
- [ ] Latency within SLO

**Validator signature**: __________________ **Date**: __________

## Rollback Procedures

### Immediate Rollback (During Cutover)

```bash
# Revert canary to 0%
kubectl patch ingress stellaops-canary -n stellaops-green \
  --type='json' \
  -p='[{"op": "replace", "path": "/metadata/annotations/nginx.ingress.kubernetes.io~1canary-weight", "value": "0"}]'

# Or delete canary entirely
kubectl delete ingress stellaops-canary -n stellaops-green
```

### Full Rollback (After Cutover)

```bash
# Step R1: Assess database state
stella system migrations-status

# Step R2: If migrations are backward-compatible
# Simply redeploy previous version
helm upgrade stellaops ./helm/stellaops \
  --namespace stellaops \
  --set image.tag=${PREVIOUS_VERSION} \
  --wait

# Step R3: If database restore needed
# Stop all services first
kubectl scale deployment --all --replicas=0 -n stellaops

# Restore database
pg_restore -d stellaops -c /backup/stellaops-${BACKUP_TIMESTAMP}.dump

# Redeploy previous version
helm upgrade stellaops ./helm/stellaops \
  --namespace stellaops \
  --set image.tag=${PREVIOUS_VERSION} \
  --wait

# Step R4: Verify rollback
stella doctor --full
stella evidence verify-all
```

## Cleanup

### After 72-Hour Observation

```bash
# Step 40: Verify stable operation
stella doctor --full
stella evidence verify-all

# Step 41: Remove blue environment
kubectl delete namespace stellaops-blue

# Step 42: Archive upgrade artifacts
tar -czf /archive/upgrade-${UPGRADE_TIMESTAMP}.tar.gz \
  /backup/ \
  /reports/ \
  /tmp/pre-upgrade-*.txt

# Step 43: Update documentation
echo "${TARGET_VERSION}" > docs/CURRENT_VERSION.md
```

## Appendix

### Version-Specific Notes

See `docs/releases/{version}/MIGRATION.md` for version-specific migration notes.

### Breaking Changes Matrix

| From | To | Breaking Changes | Migration Required |
|------|-----|-----------------|-------------------|
| 2027.Q1 | 2027.Q2 | None | No |
| 2026.Q4 | 2027.Q1 | Policy schema v2 | Yes |

### Support Contacts

- Platform Team: platform@company.com
- DBA Team: dba@company.com
- Security Team: security@company.com
- On-Call: +1-555-OPS-CALL