Cost Anomaly Detection → PagerDuty → Automated Resource Cleanup
Monitor for unusual cloud spending spikes and automatically trigger alerts and safe cleanup actions for obvious waste like unattached volumes.
Workflow Steps
Cloud-cost-CLI
Monitor for cost anomalies
Configure the CLI to run hourly checks across cloud accounts, comparing current spending rates against historical baselines and flagging anomalies above 150% of normal usage.
PagerDuty
Trigger incident alerts
Create PagerDuty incidents for significant cost spikes (>$1000/day unexpected spend), routing alerts to on-call engineers with context about affected services and potential causes.
AWS Lambda
Execute safe cleanup actions
Deploy Lambda functions that can automatically clean up obviously wasteful resources like unattached EBS volumes, stopped instances older than 7 days, and unused elastic IPs, triggered by PagerDuty webhooks.
Workflow Flow
Step 1
Cloud-cost-CLI
Monitor for cost anomalies
Step 2
PagerDuty
Trigger incident alerts
Step 3
AWS Lambda
Execute safe cleanup actions
Why This Works
Combines real-time monitoring with incident response and safe automation, preventing runaway cloud costs while maintaining system reliability through careful cleanup logic.
Best For
Platform engineering teams managing large-scale cloud infrastructure who need immediate alerts and automated responses to cost spikes
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