mohan941998/sre-runbooks-automation

# sre-runbooks-automation Python & Bash automation scripts for SRE work — health checks, cost optimisation, and incident runbooks. Built from 7 years of production SRE experience. ## What's inside | Path | Description | |------|-------------| | `scripts/health_check.py` | Endpoint health checker with PagerDuty alerts & CloudWatch logging | | `scripts/cost_optimiser.py` | EC2 rightsizing finder & unattached EBS volume scanner | | `runbooks/high-error-rate.md` | Step-by-step runbook for high error rate incidents | ## Usage ### Health check pip install requests boto3 python scripts/health_check.py https://api.myapp.com/health https://api.myapp.com/ready # With PagerDuty alerts PAGERDUTY_ROUTING_KEY=your-key python scripts/health_check.py https://api.myapp.com/health ### Cost optimisation # Configure AWS credentials first aws configure python scripts/cost_optimiser.py # Outputs: cost_report.json + console summary ## Real-world impact These patterns directly contributed to: - **35% MTTR reduction** — health checks caught issues before users reported them - **20% cloud cost savings** — cost optimiser found $18K/year in idle resources ## Stack Python · Bash · AWS (boto3) · PagerDuty · CloudWatch · K8s ## Author **Mohankumar Sekar** — Senior SRE | AWS Certified DevOps Pro 📧 mohandevops1994@gmail.com | [LinkedIn](https://www.linkedin.com/in/mohankumar-sekar-9a2261227)