Q: How do you implement infrastructure testing in a CI pipeline with real cloud resources without cost overrun?
Use small/cheap instance types in tests. Destroy immediately after tests (Terratest handles this). Run tests only on PR, not on every com...
#Terraform #Use VPC ID from another module #L3 #IaC #Cloud Infrastructure
🎙️ Candidate Opening & Architectural Context
""When terraform plan shows unexpected changes, my golden rule is: never apply blindly. Investigate the diff first. When addressing this question, I walk the interviewer through our production incident runbook: isolating the blast radius, checking diagnostic logs and metrics, and applying a safe fix.""
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🛠️ Production Runbook & Step-by-Step Resolution
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Production Solution & Architecture
Use small/cheap instance types in tests. Destroy immediately after tests (Terratest handles this). Run tests only on PR, not on every commit. Use AWS Free Tier resources where possible. Set AWS Budget alerts.
💡 The Senior SRE Gold Nugget (Key Architectural Takeaway)
"Pro-Tip: Use small/cheap instance types in tests. Destroy immediately after tests (Terratest handles this). Run tests only on PR, not on ev."
⚡ 60-Second Elevator Pitch Talking Points
- Immediate Triage: Use small/cheap instance types in tests. Destroy immediately after tests (Terratest handles thi
- Run targeted verification commands before modifying configuration.
- Automate permanent guardrails (CI check, alerts, IaC policy) to prevent recurrence.
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