portfolio/enterprise-infra-simulator/scenarios/failure_patch.md

Scenario: Simulate Failure and Patch

Description

Validate that a service-level failure can be detected, recovered, and followed by a controlled patch workflow. This mirrors a maintenance window where a degraded node is stabilized before package updates are applied.

Commands

cd enterprise-infra-simulator
./scripts/simulate_failure.sh service 30 web
ansible-playbook -i inventory/hosts.ini playbooks/patch.yml
ansible-playbook -i inventory/hosts.ini playbooks/hardening.yml --check

Expected Result

• The simulation records a temporary service failure.
• The service is restored after cleanup.
• The patch playbook completes without unreachable hosts.
• Hardening check mode reports no destructive changes.