feat: ai 모델 볼륨 StatefulSet+Retain 전환 및 EBS VolumeSnapshot 백업 (#59)#60
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- terraform/storage.tf: gp3-retain StorageClass(reclaimPolicy=Retain) 추가 - terraform/snapshots.tf: snapshot-controller EKS 애드온(VolumeSnapshot CRD) + snapscheduler Helm(3.5.0) 설치 - k8s base/ai: Deployment+standalone PVC → StatefulSet + volumeClaimTemplates(model-storage, 라벨 app=ai) - k8s eks overlay: volumeClaimTemplates에 gp3-retain 지정, patch 타깃 Deployment→StatefulSet - k8s kind overlay: patch 타깃 Deployment→StatefulSet (기본 SC 유지) - k8s overlays/eks/ai-backup: VolumeSnapshotClass(ebs.csi.aws.com) + SnapshotSchedule(매일, 7개 보존) - k8s/apps/ai-backup.yaml: ArgoCD App - README: EBS 스냅샷 백업 가이드 추가 로컬(kind)은 스냅샷/Retain 미적용. 복원은 스냅샷에서 dataSource로 PVC 생성. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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closes #59
개요
ai 모델 볼륨을 StatefulSet +
gp3-retain(Retain) 으로 전환하고, EBS VolumeSnapshot 주기 백업(snapshot-controller + snapscheduler)을 추가한다. PVC 삭제/노드 교체 시 데이터 보존 + 정기 스냅샷 확보. (코드리뷰 #43 백업 부재, #44 reclaim=Delete 위험)변경
terraform
storage.tf:gp3-retainStorageClass (reclaimPolicy=Retain) — PVC 삭제돼도 EBS 볼륨 보존snapshots.tf(신규)snapshot-controllerEKS 관리형 애드온 — VolumeSnapshot/Class/Content CRD + 컨트롤러snapschedulerHelm (3.5.0고정) — SnapshotSchedule CRD로 주기 스냅샷·보존k8s
base/ai:Deployment+ standalone PVC →StatefulSet+volumeClaimTemplates(model-storage, 라벨app=ai, 10Gi).deployment.yaml/pvc.yaml삭제overlays/eks/ai: volumeClaimTemplates에gp3-retain지정, patch 타깃Deployment→StatefulSetoverlays/kind/ai: patch 타깃Deployment→StatefulSet(기본 SC 유지)overlays/eks/ai-backup/(신규): VolumeSnapshotClass(ebs.csi.aws.com) + SnapshotSchedule(매일 02:00 KST, 최근 7개 보존,claimSelector app=ai)apps/ai-backup.yaml(신규): ArgoCD Appdocs
동작
비고 / 범위
standardSC).dataSource: {kind: VolumeSnapshot}로 새 PVC 생성.terraform fmt(snapshots.tf/storage.tf) 통과, 매니페스트 YAML 검증 완료.kustomize build실검증은 클러스터 환경 권장.🤖 Generated with Claude Code