CI/CD Advanced CICD-075 · 24 min

Blue-green node group cutover drains the only log shipper before the replacement path is ready

The new nodes are healthy for the app, but operational visibility disappears because the drain order removed a cluster-wide DaemonSet before the replacement fleet was fully attached.

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The new nodes are healthy for the app, but operational visibility disappears because the …

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1 · 원인 분석 2 · 복구 방안 3 · 재발 방지

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Blue-green node group cutover drains the only log shipper before the replacement path is ready

ECR lifecycle cleanup deletes one architecture image and arm nodes start failing pulls

CloudFormation import succeeds but later drift repair wants to replace the manually retained resource

Terraform drift fix replaces a subnet that still holds the canary target group route

Blue-green cutover updates ingress weights but the background cron target still writes into the old database schema