tools-only 🛡️ Backup and Disaster Recovery Plan: terraform-e2e
- 📋 Executive Summary
- 🎯 1. Recovery Objectives
- 💾 2. Backup Strategy
- 🌍 3. Disaster Recovery Procedures
- 🧪 4. Testing Schedule
- 📢 5. Communication Plan
- 👥 6. Roles and Responsibilities
- 🔗 7. Dependencies
- 📖 8. Recovery Runbooks
- 📎 9. Appendix
- References
Generated by as-built agent | 2026-02-26
| ⬅️ Previous | 📑 Index | Next ➡️ |
|---|---|---|
| 07-resource-inventory.md | README | 07-compliance-matrix.md |
Generated: 2026-02-26 Version: 1.0 Environment: dev Primary Region: swedencentral Secondary Region: germanywestcentral (planned failover target)
📋 Executive Summary
This plan defines backup and recovery procedures for the deployed Terraform workload.
| Metric | Current | Target |
|---|---|---|
| RPO | 12 hours | 12 hours |
| RTO | 24 hours | 24 hours |
| Availability Objective | 99.5% | 99.5% |
Current posture is single-region with manual DR orchestration.
🎯 1. Recovery Objectives
1.1 Recovery Time Objective (RTO)
| Tier | RTO Target | Services |
|---|---|---|
| 🔴 Critical | 24 hours | Backend App Service, SQL DB |
| 🟠 Important | 24 hours | Frontend App Service, Key Vault |
| 🟢 Standard | 48 hours | App Insights, Log Analytics, smart detector rules |
1.2 Recovery Point Objective (RPO)
| Data Type | RPO Target | Backup Strategy |
|---|---|---|
| SQL ecommerce data | 12 hours | Azure SQL automated backups + point-in-time restore |
| Infrastructure config | 1 hour | Terraform code in Git + remote state |
| Operational telemetry | 24 hours | Log Analytics retention + App Insights historical data |
💾 2. Backup Strategy
2.1 Azure SQL Database
| Setting | Configuration |
|---|---|
| Backup Type | Platform-managed automated backups |
| Backup Redundancy | Geo |
| Restore Type | Point-in-time restore |
| Target DB | sqldb-terraform-e2e-dev |
Point-in-Time Restore Command:
az sql db restore \
--resource-group rg-terraform-e2e-dev \
--server sql-terraform-e2e-dev-3hpu \
--name sqldb-terraform-e2e-dev \
--dest-name sqldb-terraform-e2e-dev-restored \
--time "<UTC timestamp>"
2.2 Key Vault
| Setting | Configuration |
|---|---|
| Soft Delete | Enabled |
| Purge Protection | Enabled |
| Auth Model | RBAC |
2.3 Terraform State and IaC
| Setting | Configuration |
|---|---|
| Source backup | Git repository history |
| State backend | Azure Blob (azurerm backend) |
| Recovery mechanism | terraform init + terraform apply from known commit |
🌍 3. Disaster Recovery Procedures
3.1 Failover Procedure
- Declare incident and confirm primary-region impact.
- Freeze non-essential changes in current environment.
- Select
germanywestcentralas failover location. - Update Terraform variable
locationand deploy core stack. - Restore SQL data from latest viable recovery point.
- Validate frontend/backend health and data consistency.
- Communicate failover completion.
3.2 Failback Procedure
- Confirm primary region stability for a sustained window.
- Reconcile drift and data deltas.
- Re-deploy primary environment from Terraform baseline.
- Re-point traffic and run validation checks.
- Decommission temporary failover resources when approved.
🧪 4. Testing Schedule
| Test Type | Frequency | Last Test | Next Test |
|---|---|---|---|
| SQL restore test | Quarterly | Not recorded | Next quarter from publication date |
| Terraform rebuild test | Quarterly | Not recorded | Next quarter from publication date |
| End-to-end DR drill | Semi-annual | Not recorded | Next half-year from publication date |
📢 5. Communication Plan
| Audience | Channel | Template |
|---|---|---|
| Engineering | Teams/Slack | Incident update template |
| Stakeholders | Business impact summary | |
| Governance | Ticket system | Control impact + remediation plan |
👥 6. Roles and Responsibilities
| Role | Team | Responsibility |
|---|---|---|
| Incident Commander | team-terraform lead | DR decision and execution oversight |
| Platform Engineer | team-terraform | Terraform deploy/recover operations |
| Application Owner | app team | App validation and smoke tests |
| Security Reviewer | governance/security | Post-incident control verification |
🔗 7. Dependencies
| Dependency | Impact | Mitigation |
|---|---|---|
| Azure control plane availability | Blocks redeploy/failover | Use tested scripts and documented manual fallback |
| SQL restore point viability | Data recovery risk | Regular restore tests and retention verification |
| Identity and RBAC continuity | Access disruption risk | Verify role assignments in post-failover checklist |
📖 8. Recovery Runbooks
| Scenario | Runbook | Owner |
|---|---|---|
| SQL corruption or deletion | Restore DB from PITR and repoint app config | Platform + DBA |
| App runtime outage | Restart apps, rollback config, redeploy if needed | Platform on-call |
| Region outage | Regional Terraform redeploy + SQL recovery | Incident Commander |
📎 9. Appendix
- Source of current resource names and IDs: 07-resource-inventory.md
- Day-2 command baseline: 07-operations-runbook.md
- Compliance dependencies: 07-compliance-matrix.md
References
| Topic | Link |
|---|---|
| Azure Backup overview | Overview |
| Azure SQL restore | Restore DB |
| DR planning | Well-Architected DR |
| ⬅️ 07-resource-inventory.md | 🏠 Project Index | ➡️ 07-compliance-matrix.md |
|---|