Add kubeflow applicationset

charts/kubeflow/dip/README.md

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+# ArgoCD를 이용한 Kubeflow 배포
+
+이 저장소에는 **ApplicationSet을 사용한 Kubeflow 배포** 구현이 포함되어 있습니다.
+
+### 배포 방법
+
+1. ApplicationSet 적용:
+   ```bash
+   kubectl apply -f argocd-solutions/applicationset/kubeflow-applicationset.yaml
+   ```
+
+2. ArgoCD UI에서 배포 상태 확인:
+   - `istio-system` → `kubeflow-dependencies` → `kubeflow-core` 순서로 배포
+   - 각 단계별 동기화 상태 모니터링
+
+### 배포 구조
+
+ApplicationSet은 다음과 같은 3단계 배포 순서로 구성되어 있습니다:
+
+#### Wave 0: Istio System (`istio-system`)
+- **네임스페이스**: `istio-system`
+- **의존성**: 없음 (최우선 배포)
+- **구성 요소**:
+  - Istio CRDs
+  - Istio Namespace
+  - Istio 설치 (OAuth2-Proxy 오버레이)
+  - 클러스터 로컬 게이트웨이
+
+#### Wave 1: Kubeflow Dependencies (`kubeflow-dependencies`)
+- **네임스페이스**: `kubeflow`
+- **의존성**: `istio-system`
+- **구성 요소**:
+  - Cert-Manager (Kubeflow Issuer)
+  - OAuth2-Proxy (M2M Keycloak 오버레이)
+  - KNative Serving (Gateway 오버레이)
+  - Kubeflow Namespace
+  - Network Policies
+  - Kubeflow Roles
+  - Kubeflow Istio Resources
+
+#### Wave 2: Kubeflow Core (`kubeflow-core`)
+- **네임스페이스**: `kubeflow`
+- **의존성**: `kubeflow-dependencies`
+- **구성 요소**:
+  - Kubeflow Pipelines (Multi-user, Cert-Manager)
+  - Katib (Kubeflow 통합)
+  - Central Dashboard (OAuth2-Proxy)
+  - Admission Webhook (Cert-Manager)
+  - Jupyter Web App & Notebook Controller
+  - Profiles + KFAM
+  - PVC Viewer & Volumes Web App
+  - Tensorboard Controller & Web App
+  - Training Operator
+  - KServe & Models Web App
+  - Spark Operator
+  - User Namespace
+  - Kubeflow Ingress
+
+### 주요 특징
+
+1. **순차적 배포**: Sync Wave를 통한 명확한 배포 순서 보장
+2. **자동화된 동기화**:
+   - 자동 Prune 및 Self-Heal 활성화
+   - Server-Side Apply 사용
+   - 네임스페이스 자동 생성
+3. **재시도 정책**: 실패 시 지수 백오프로 최대 5회 재시도
+4. **의존성 추적**: 각 Application의 의존성 정보를 메타데이터로 관리
+
+
+
+### 장점
+- **중앙집중식 관리**: 하나의 ApplicationSet으로 전체 Kubeflow 스택 관리
+- **명확한 의존성**: Wave 기반 순차 배포로 의존성 문제 해결
+- **확장성**: 새로운 컴포넌트 추가 시 리스트에 항목만 추가
+- **일관성**: 모든 Application이 동일한 정책과 설정 적용

charts/kubeflow/dip/applicationset/kubeflow-applicationset.yaml

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+# ApplicationSet을 사용한 방법
+apiVersion: argoproj.io/v1alpha1
+kind: ApplicationSet
+metadata:
+  name: kubeflow-applicationset
+  namespace: platform
+spec:
+  generators:
+  - list:
+      elements:
+      - name: istio-system
+        path: kubeflow/dip/istio-system
+        namespace: istio-system
+        wave: "0"
+        dependencies: ""
+      - name: kubeflow-dependencies
+        path: kubeflow/dip/kubeflow-dependencies
+        namespace: kubeflow
+        wave: "1"
+        dependencies: "istio-system"
+      - name: kubeflow-core
+        path: kubeflow/dip/kubeflow-core
+        namespace: kubeflow
+        wave: "2"
+        dependencies: "kubeflow-dependencies"
+  template:
+    metadata:
+      name: '{{name}}'
+      annotations:
+        argocd.argoproj.io/sync-wave: '{{wave}}'
+      finalizers:
+        - resources-finalizer.argocd.argoproj.io
+    spec:
+      project: default
+      source:
+        repoURL: https://gitea.example.org/dip/tenant-catalog
+        targetRevision: kubeflow/v1.10.0
+        path: '{{path}}'
+      destination:
+        server: https://kubernetes.default.svc
+        namespace: '{{namespace}}'
+      syncPolicy:
+        automated:
+          prune: true
+          selfHeal: true
+        syncOptions:
+          - CreateNamespace=true
+          - ServerSideApply=true
+        retry:
+          limit: 5
+          backoff:
+            duration: 5s
+            factor: 2
+            maxDuration: 3m
+      info:
+        - name: 'Wave'
+          value: '{{wave}}'
+        - name: 'Dependencies'
+          value: '{{dependencies}}'

charts/kubeflow/dip/istio-system/kustomization.yaml

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+# Istio System Kustomization
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+# 배포 순서 정의
+sortOptions:
+  order: legacy
+  legacySortOptions:
+    orderFirst:
+    - Namespace
+    - CustomResourceDefinition
+    - ServiceAccount
+    - ClusterRole
+    - ClusterRoleBinding
+    - ConfigMap
+    - Secret
+    - Service
+    orderLast:
+    - ValidatingWebhookConfiguration
+    - MutatingWebhookConfiguration
+    - Deployment
+
+resources:
+# 1. CRDs 먼저
+- ../../common/istio-1-24/istio-crds/base
+# 2. Namespace
+- ../../common/istio-1-24/istio-namespace/base
+# 3. Istio 설치
+- ../../common/istio-1-24/istio-install/overlays/oauth2-proxy
+# 4. 클러스터 로컬 게이트웨이
+- ../../common/istio-1-24/cluster-local-gateway/base

charts/kubeflow/dip/kubeflow-core/ingress.yaml

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+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: kubeflow-ingress
+  namespace: istio-system
+  annotations:
+    nginx.ingress.kubernetes.io/rewrite-target: /
+    cert-manager.io/cluster-issuer: "kubeflow-self-signing-issuer"
+spec:
+  tls:
+  - hosts:
+    - $HOST
+    secretName: kubeflow-tls
+  rules:
+  - host: $HOST
+    http:
+      paths:
+      - path: /
+        pathType: Prefix
+        backend:
+          service:
+            name: istio-ingressgateway
+            port:
+              number: 80

charts/kubeflow/dip/kubeflow-core/kustomization.yaml

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+# Kubeflow Core Applications Kustomization
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+resources:
+# Kubeflow Pipelines
+- ../../apps/pipeline/upstream/env/cert-manager/platform-agnostic-multi-user
+# Katib
+- ../../apps/katib/upstream/installs/katib-with-kubeflow
+# Central Dashboard
+- ../../apps/centraldashboard/overlays/oauth2-proxy
+# Admission Webhook
+- ../../apps/admission-webhook/upstream/overlays/cert-manager
+# Jupyter Web App
+- ../../apps/jupyter/jupyter-web-app/upstream/overlays/istio
+# Notebook Controller
+- ../../apps/jupyter/notebook-controller/upstream/overlays/kubeflow
+# Profiles + KFAM
+- ../../apps/profiles/upstream/overlays/kubeflow
+# PVC Viewer
+- ../../apps/pvcviewer-controller/upstream/base
+# Volumes Web App
+- ../../apps/volumes-web-app/upstream/overlays/istio
+# Tensorboards Controller
+- ../../apps/tensorboard/tensorboard-controller/upstream/overlays/kubeflow
+# Tensorboard Web App
+- ../../apps/tensorboard/tensorboards-web-app/upstream/overlays/istio
+# Training Operator
+- ../../apps/training-operator/upstream/overlays/kubeflow
+# User namespace
+- ../../common/user-namespace/base
+# KServe
+- ../../apps/kserve/kserve
+- ../../apps/kserve/models-web-app/overlays/kubeflow
+# Spark Operator
+- ../../apps/spark/spark-operator/overlays/kubeflow
+# Ingress
+- ingress.yaml
+# dip
+- cluster-policy.yaml
+- cluster-role.yaml
+- cluster-rolebinding.yaml

charts/kubeflow/dip/kubeflow-dependencies/kustomization.yaml

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+# Kubeflow Dependencies Kustomization
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+resources:
+# Cert-Manager
+- ../../common/cert-manager/kubeflow-issuer/base
+# OAuth2-Proxy
+- ../../common/oauth2-proxy/overlays/m2m-keycloak
+# KNative
+- ../../common/knative/knative-serving/overlays/gateways
+# Kubeflow namespace
+- ../../common/kubeflow-namespace/base
+# NetworkPolicies
+- ../../common/networkpolicies/base
+# Kubeflow Roles
+- ../../common/kubeflow-roles/base
+# Kubeflow Istio Resources
+- ../../common/istio-1-24/kubeflow-istio-resources/base