To ensure that all changes to infrastructure, code, configurations, and policies are planned, reviewed, approved, and documented in a controlled manner—minimizing risk and maintaining system integrity.
This policy applies to:
| Type | Description | Examples |
|---|---|---|
| Standard Change | Low-risk, routine, pre-approved | Weekly backup config, log rotation |
| Normal Change | Requires review and approval | DB schema update, new feature |
| Emergency Change | Urgent fix to restore service or security | Hotfix for outage, firewall rule |
Initiation:
Submit a Change Request (CR) via internal ticketing or Git PR with:
Review & Approval:
Scheduling:
Version Control:
All code and config changes are tracked in Git with signed commits.
Infrastructure as Code (IaC):
Terraform is used for declarative infrastructure changes with peer-reviewed modules.
Pre-Deployment Checks:
ruff checkRollback Plans:
Every change includes a documented rollback procedure and recovery checkpoint.
Smoke Testing:
Post-deploy validation includes service health checks and telemetry review.
Monitoring:
Changes are monitored via MQTT and InfluxDB for anomalies or regressions.
Client Feedback:
For client-impacting changes, feedback is collected and logged.
Change Logs:
All approved changes are logged with:
Audit Readiness:
Logs are retained for 12–24 months and available for internal review or client audits.
Emergency Protocol:
Urgent changes may bypass standard review but must be:
Deferred Changes:
Changes may be deferred with justification and rescheduled review.