INIT(repo): monitoring stack setup

alertmanager/argocd/alertmanager.yaml

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+apiVersion: argoproj.io/v1alpha1
+kind: Application
+metadata:
+  name: alertmanager
+  namespace: argocd
+  finalizers:
+    - resources-finalizer.argocd.argoproj.io
+spec:
+  project: default
+
+  sources:
+    # Helm chart from external repository
+    - repoURL: https://prometheus-community.github.io/helm-charts
+      chart: alertmanager
+      targetRevision: 1.29.0
+      helm:
+        valueFiles:
+          - $values/alertmanager/helm-values/alertmanager.yaml
+    # Values file from Git repository
+    - repoURL: https://gitea0213.kro.kr/bluemayne/infrastructure.git
+      targetRevision: main
+      ref: values
+
+  destination:
+    server: https://kubernetes.default.svc
+    namespace: monitoring
+
+  syncPolicy:
+    automated:
+      prune: true
+      selfHeal: true
+      allowEmpty: false
+
+    syncOptions:
+      - CreateNamespace=true
+      - PrunePropagationPolicy=foreground
+      - PruneLast=true
+
+    retry:
+      limit: 5
+      backoff:
+        duration: 5s
+        factor: 2
+        maxDuration: 3m
+
+  revisionHistoryLimit: 10

alertmanager/helm-values/alertmanager.yaml

@@ -0,0 +1,54 @@
+# Alertmanager Helm Values
+# Chart: https://github.com/prometheus-community/helm-charts/tree/main/charts/alertmanager
+
+fullnameOverride: alertmanager
+
+persistence:
+  enabled: true
+  size: 1Gi
+  storageClass: local-path
+
+resources:
+  requests:
+    cpu: 10m
+    memory: 32Mi
+
+# Prometheus ServiceMonitor 설정
+serviceMonitor:
+  enabled: true
+  additionalLabels:
+    release: prometheus
+  namespace: monitoring
+
+config:
+  global:
+    resolve_timeout: 5m
+  route:
+    group_by: ["alertname", "cluster", "service"]
+    group_wait: 10s
+    group_interval: 10s
+    repeat_interval: 12h
+    receiver: "default"
+    routes:
+    - match:
+        severity: critical
+      receiver: "critical"
+      continue: true
+    - match:
+        severity: warning
+      receiver: "warning"
+  receivers:
+  - name: "default"
+    # 기본 수신자 (로그만 남김)
+  - name: "critical"
+    # TODO: Slack, Email 등 알림 채널 추가
+    # webhook_configs:
+    # - url: 'http://your-webhook-url'
+  - name: "warning"
+    # TODO: 경고 알림 채널 추가
+  inhibit_rules:
+  - source_match:
+      severity: "critical"
+    target_match:
+      severity: "warning"
+    equal: ["alertname", "cluster", "service"]

alertmanager/kustomization.yaml

@@ -0,0 +1,6 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+resources:
+  # ArgoCD Application 리소스는 infrastructure/kustomization.yaml에서 관리
+  # - argocd/alertmanager.yaml

grafana/argocd/grafana.yaml

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+apiVersion: argoproj.io/v1alpha1
+kind: Application
+metadata:
+  name: grafana
+  namespace: argocd
+  finalizers:
+    - resources-finalizer.argocd.argoproj.io
+spec:
+  project: default
+
+  sources:
+    # Helm chart from external repository
+    - repoURL: https://grafana.github.io/helm-charts
+      chart: grafana
+      targetRevision: 10.3.0
+      helm:
+        valueFiles:
+          - $values/grafana/helm-values/grafana.yaml
+    # Values file from Git repository
+    - repoURL: https://gitea0213.kro.kr/bluemayne/infrastructure.git
+      targetRevision: main
+      ref: values
+    # Vault secrets from Git repository
+    - repoURL: https://gitea0213.kro.kr/bluemayne/infrastructure.git
+      targetRevision: main
+      path: grafana
+
+  destination:
+    server: https://kubernetes.default.svc
+    namespace: monitoring
+
+  syncPolicy:
+    automated:
+      prune: true
+      selfHeal: true
+      allowEmpty: false
+
+    syncOptions:
+      - CreateNamespace=true
+      - PrunePropagationPolicy=foreground
+      - PruneLast=true
+
+    retry:
+      limit: 5
+      backoff:
+        duration: 5s
+        factor: 2
+        maxDuration: 3m
+
+  revisionHistoryLimit: 10

grafana/helm-values/grafana.yaml

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+# Grafana Helm Values
+# Chart: https://github.com/grafana/helm-charts/tree/main/charts/grafana
+
+fullnameOverride: grafana
+
+admin:
+  user: bluemayne
+  # Password is managed via SealedSecret: grafana-admin-password
+  existingSecret: grafana-admin-password
+  userKey: admin-user
+  passwordKey: admin-password
+
+persistence:
+  enabled: true
+  size: 2Gi
+  storageClass: local-path
+
+initChownData:
+  enabled: false
+
+podSecurityContext:
+  fsGroup: 472
+  fsGroupChangePolicy: "Always"
+
+resources:
+  requests:
+    cpu: 25m
+    memory: 128Mi
+
+service:
+  type: ClusterIP
+  port: 80
+
+datasources:
+  datasources.yaml:
+    apiVersion: 1
+    datasources:
+    - name: Prometheus
+      type: prometheus
+      access: proxy
+      url: http://prometheus-kube-prometheus-prometheus:9090
+      isDefault: true
+      editable: true
+    - name: Loki
+      type: loki
+      access: proxy
+      url: http://loki.logging.svc.cluster.local:3100
+      editable: true
+
+grafana.ini:
+  server:
+    root_url: "http://grafana0213.kro.kr"
+  auth.anonymous:
+    enabled: false
+  security:
+    allow_embedding: true
+  auth.basic:
+    enabled: false
+  auth:
+    disable_login_form: false
+    disable_signout_menu: true
+  news:
+    news_feed_enabled: false

grafana/kustomization.yaml

@@ -0,0 +1,7 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+resources:
+  # ArgoCD Application 리소스는 infrastructure/kustomization.yaml에서 관리
+  # - argocd/grafana.yaml
+  - vault/grafana-admin-password.yaml

grafana/vault/grafana-admin-password.yaml

@@ -0,0 +1,22 @@
+apiVersion: external-secrets.io/v1beta1
+kind: ExternalSecret
+metadata:
+  name: grafana-admin-password
+  namespace: monitoring
+spec:
+  refreshInterval: 1h
+  secretStoreRef:
+    kind: ClusterSecretStore
+    name: vault-backend
+  target:
+    name: grafana-admin-password
+    creationPolicy: Owner
+  data:
+    - secretKey: admin-user
+      remoteRef:
+        key: monitoring/grafana
+        property: ADMIN_USER
+    - secretKey: admin-password
+      remoteRef:
+        key: monitoring/grafana
+        property: ADMIN_PASSWORD

kube-state-metrics/argocd/kube-state-metrics.yaml

@@ -0,0 +1,46 @@
+apiVersion: argoproj.io/v1alpha1
+kind: Application
+metadata:
+  name: kube-state-metrics
+  namespace: argocd
+  finalizers:
+    - resources-finalizer.argocd.argoproj.io
+spec:
+  project: default
+
+  sources:
+    # Helm chart from external repository
+    - repoURL: https://prometheus-community.github.io/helm-charts
+      chart: kube-state-metrics
+      targetRevision: 5.25.1
+      helm:
+        valueFiles:
+          - $values/kube-state-metrics/helm-values/kube-state-metrics.yaml
+    # Values file from Git repository
+    - repoURL: https://gitea0213.kro.kr/bluemayne/infrastructure.git
+      targetRevision: main
+      ref: values
+
+  destination:
+    server: https://kubernetes.default.svc
+    namespace: monitoring
+
+  syncPolicy:
+    automated:
+      prune: true
+      selfHeal: true
+      allowEmpty: false
+
+    syncOptions:
+      - CreateNamespace=true
+      - PrunePropagationPolicy=foreground
+      - PruneLast=true
+
+    retry:
+      limit: 5
+      backoff:
+        duration: 5s
+        factor: 2
+        maxDuration: 3m
+
+  revisionHistoryLimit: 10

kube-state-metrics/helm-values/kube-state-metrics.yaml

@@ -0,0 +1,24 @@
+# Kube State Metrics Helm Values
+# Chart: https://github.com/prometheus-community/helm-charts/tree/main/charts/kube-state-metrics
+
+fullnameOverride: kube-state-metrics
+
+resources:
+  requests:
+    cpu: 10m
+    memory: 64Mi
+
+service:
+  type: ClusterIP
+  clusterIP: None
+
+# Prometheus ServiceMonitor 설정
+prometheus:
+  monitor:
+    enabled: true
+    additionalLabels:
+      release: prometheus
+    namespace: monitoring
+    relabelings:
+      - targetLabel: cluster
+        replacement: "mayne-cluster"

kube-state-metrics/kustomization.yaml

@@ -0,0 +1,6 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+resources:
+  # ArgoCD Application 리소스는 infrastructure/kustomization.yaml에서 관리
+  # - argocd/kube-state-metrics.yaml

loki/argocd/loki.yaml

@@ -0,0 +1,26 @@
+apiVersion: argoproj.io/v1alpha1
+kind: Application
+metadata:
+  name: loki
+  namespace: argocd
+spec:
+  project: default
+  sources:
+    - repoURL: https://grafana.github.io/helm-charts
+      chart: loki
+      targetRevision: 6.24.0
+      helm:
+        valueFiles:
+          - $values/loki/helm-values/loki.yaml
+    - repoURL: https://gitea0213.kro.kr/bluemayne/infrastructure.git
+      targetRevision: HEAD
+      ref: values
+  destination:
+    server: https://kubernetes.default.svc
+    namespace: logging
+  syncPolicy:
+    automated:
+      prune: true
+      selfHeal: true
+    syncOptions:
+      - CreateNamespace=true

loki/helm-values/loki.yaml

@@ -0,0 +1,78 @@
+# Loki Helm Values
+# Chart: https://grafana.github.io/helm-charts
+# Simple single binary deployment
+
+loki:
+  # Use filesystem storage (simple setup)
+  storage:
+    type: filesystem
+  
+  # Single binary mode for simplicity
+  commonConfig:
+    replication_factor: 1
+  
+  # Schema config
+  schemaConfig:
+    configs:
+      - from: "2024-01-01"
+        store: tsdb
+        object_store: filesystem
+        schema: v13
+        index:
+          prefix: index_
+          period: 24h
+
+  # Limits
+  limits_config:
+    retention_period: 168h  # 7 days
+    ingestion_rate_mb: 10
+    ingestion_burst_size_mb: 20
+    max_streams_per_user: 10000
+
+  # Auth disabled for simplicity
+  auth_enabled: false
+
+# Use single binary deployment (simpler)
+deploymentMode: SingleBinary
+
+singleBinary:
+  replicas: 1
+  persistence:
+    enabled: true
+    size: 10Gi
+    storageClass: local-path
+  resources:
+    requests:
+      cpu: 100m
+      memory: 256Mi
+
+# Disable components not needed in single binary mode
+backend:
+  replicas: 0
+read:
+  replicas: 0
+write:
+  replicas: 0
+
+# Gateway disabled (direct access)
+gateway:
+  enabled: false
+
+# Disable all caching (use simple mode)
+chunksCache:
+  enabled: false
+resultsCache:
+  enabled: false
+
+# Disable monitoring components
+monitoring:
+  selfMonitoring:
+    enabled: false
+    grafanaAgent:
+      installOperator: false
+  lokiCanary:
+    enabled: false
+
+# Test disabled
+test:
+  enabled: false

loki/kustomization.yaml

@@ -0,0 +1,6 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+resources:
+  # ArgoCD Application 리소스는 infrastructure/kustomization.yaml에서 관리
+  # - argocd/loki.yaml

node-exporter/argocd/node-exporter.yaml

@@ -0,0 +1,46 @@
+apiVersion: argoproj.io/v1alpha1
+kind: Application
+metadata:
+  name: node-exporter
+  namespace: argocd
+  finalizers:
+    - resources-finalizer.argocd.argoproj.io
+spec:
+  project: default
+
+  sources:
+    # Helm chart from external repository
+    - repoURL: https://prometheus-community.github.io/helm-charts
+      chart: prometheus-node-exporter
+      targetRevision: 4.39.0
+      helm:
+        valueFiles:
+          - $values/node-exporter/helm-values/node-exporter.yaml
+    # Values file from Git repository
+    - repoURL: https://gitea0213.kro.kr/bluemayne/infrastructure.git
+      targetRevision: main
+      ref: values
+
+  destination:
+    server: https://kubernetes.default.svc
+    namespace: monitoring
+
+  syncPolicy:
+    automated:
+      prune: true
+      selfHeal: true
+      allowEmpty: false
+
+    syncOptions:
+      - CreateNamespace=true
+      - PrunePropagationPolicy=foreground
+      - PruneLast=true
+
+    retry:
+      limit: 5
+      backoff:
+        duration: 5s
+        factor: 2
+        maxDuration: 3m
+
+  revisionHistoryLimit: 10

node-exporter/helm-values/node-exporter.yaml

@@ -0,0 +1,33 @@
+# Prometheus Node Exporter Helm Values
+# Chart: https://github.com/prometheus-community/helm-charts/tree/main/charts/prometheus-node-exporter
+
+fullnameOverride: node-exporter
+
+hostNetwork: true
+hostPID: true
+
+resources:
+  requests:
+    cpu: 10m
+    memory: 50Mi
+
+service:
+  type: ClusterIP
+  clusterIP: None
+
+# Prometheus ServiceMonitor 설정
+prometheus:
+  monitor:
+    enabled: true
+    additionalLabels:
+      release: prometheus
+    namespace: monitoring
+    attachMetadata:
+      node: true
+    relabelings:
+      - targetLabel: cluster
+        replacement: "mayne-cluster"
+
+tolerations:
+  - effect: NoSchedule
+    operator: Exists

node-exporter/kustomization.yaml

@@ -0,0 +1,6 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+resources:
+  # ArgoCD Application 리소스는 infrastructure/kustomization.yaml에서 관리
+  # - argocd/node-exporter.yaml

prometheus/argocd/prometheus.yaml

@@ -0,0 +1,50 @@
+apiVersion: argoproj.io/v1alpha1
+kind: Application
+metadata:
+  name: prometheus
+  namespace: argocd
+  finalizers:
+    - resources-finalizer.argocd.argoproj.io
+spec:
+  project: default
+
+  sources:
+    # Helm chart from external repository
+    - repoURL: https://prometheus-community.github.io/helm-charts
+      chart: kube-prometheus-stack
+      targetRevision: 80.0.0
+      helm:
+        valueFiles:
+          - $values/prometheus/helm-values/kube-prometheus-stack.yaml
+    # Values file from Git repository
+    - repoURL: https://gitea0213.kro.kr/bluemayne/infrastructure.git
+      targetRevision: main
+      ref: values
+    # Vault secrets from Git repository
+    - repoURL: https://gitea0213.kro.kr/bluemayne/infrastructure.git
+      targetRevision: main
+      path: prometheus
+
+  destination:
+    server: https://kubernetes.default.svc
+    namespace: monitoring
+
+  syncPolicy:
+    automated:
+      prune: true
+      selfHeal: true
+      allowEmpty: false
+
+    syncOptions:
+      - CreateNamespace=true
+      - PrunePropagationPolicy=foreground
+      - PruneLast=true
+
+    retry:
+      limit: 5
+      backoff:
+        duration: 5s
+        factor: 2
+        maxDuration: 3m
+
+  revisionHistoryLimit: 10

prometheus/helm-values/kube-prometheus-stack.yaml

@@ -0,0 +1,191 @@
+# Kube-Prometheus-Stack Helm Values
+# Chart: https://github.com/prometheus-community/helm-charts/tree/main/charts/kube-prometheus-stack
+# Includes: Prometheus Operator, Prometheus, Alertmanager, Grafana, and various exporters
+
+# Global settings
+fullnameOverride: ""
+
+# CRD 관리
+crds:
+  enabled: false  # CRD는 수동으로 설치하여 annotation 크기 문제 방지
+
+# Prometheus Operator
+prometheusOperator:
+  enabled: true
+  # CRD 생성 비활성화
+  createCustomResource: false
+
+# Kubelet ServiceMonitor with cluster label
+kubelet:
+  enabled: true
+  serviceMonitor:
+    # cAdvisor metrics (container_memory_working_set_bytes 등)
+    cAdvisorRelabelings:
+      - targetLabel: cluster
+        replacement: "mayne-cluster"
+    # Resource metrics
+    resourceRelabelings:
+      - targetLabel: cluster
+        replacement: "mayne-cluster"
+    # Probes metrics
+    probesRelabelings:
+      - targetLabel: cluster
+        replacement: "mayne-cluster"
+  
+# Prometheus
+prometheus:
+  enabled: true
+  
+  prometheusSpec:
+    scrapeInterval: 30s
+    evaluationInterval: 30s
+    retention: 7d
+
+    storageSpec:
+      volumeClaimTemplate:
+        spec:
+          storageClassName: local-path
+          accessModes: ["ReadWriteOnce"]
+          resources:
+            requests:
+              storage: 5Gi
+    
+    resources:
+      requests:
+        cpu: 50m
+        memory: 256Mi
+    
+    # ServiceMonitor 자동 발견 - 모든 ServiceMonitor 선택
+    serviceMonitorSelectorNilUsesHelmValues: false
+    serviceMonitorSelector: {}
+    podMonitorSelectorNilUsesHelmValues: false
+    podMonitorSelector: {}
+    probeSelectorNilUsesHelmValues: false
+    ruleSelector: {}
+    
+    # Alertmanager 설정
+    alertingEndpoints:
+      - name: alertmanager
+        namespace: monitoring
+        port: http-web
+        scheme: http
+
+# Alertmanager (기존 alertmanager 사용)
+alertmanager:
+  enabled: false
+
+# Grafana (기존 grafana 사용)
+grafana:
+  enabled: false
+
+# Node Exporter (기존 node-exporter 사용)
+nodeExporter:
+  enabled: false
+  
+# Kube State Metrics (기존 kube-state-metrics 사용)
+# 별도로 배포된 kube-state-metrics가 자체 ServiceMonitor 생성
+kubeStateMetrics:
+  enabled: false
+
+# 기본 ServiceMonitors
+defaultRules:
+  create: true
+  rules:
+    alertmanager: true
+    etcd: false
+    configReloaders: true
+    general: true
+    k8s: true
+    kubeApiserverAvailability: true
+    kubeApiserverBurnrate: true
+    kubeApiserverHistogram: true
+    kubeApiserverSlos: true
+    kubeControllerManager: false
+    kubelet: true
+    kubeProxy: false
+    kubePrometheusGeneral: true
+    kubePrometheusNodeRecording: true
+    kubernetesApps: true
+    kubernetesResources: true
+    kubernetesStorage: true
+    kubernetesSystem: true
+    kubeSchedulerAlerting: false
+    kubeSchedulerRecording: false
+    kubeStateMetrics: true
+    network: true
+    node: true
+    nodeExporterAlerting: true
+    nodeExporterRecording: true
+    prometheus: true
+    prometheusOperator: true
+
+# Additional scrape configs for existing services
+prometheus:
+  prometheusSpec:
+    # External labels added to all metrics
+    externalLabels:
+      cluster: "mayne-cluster"
+
+    additionalScrapeConfigs:
+      # ArgoCD metrics
+      - job_name: 'argocd-metrics'
+        static_configs:
+          - targets:
+            - 'argocd-metrics.argocd.svc.cluster.local:8082'
+            labels:
+              service: argocd-controller
+          - targets:
+            - 'argocd-server-metrics.argocd.svc.cluster.local:8083'
+            labels:
+              service: argocd-server
+          - targets:
+            - 'argocd-repo-server.argocd.svc.cluster.local:8084'
+            labels:
+              service: argocd-repo
+      
+      # Cert-Manager
+      - job_name: 'cert-manager'
+        static_configs:
+          - targets:
+            - 'cert-manager.cert-manager.svc.cluster.local:9402'
+      
+      # MinIO
+      - job_name: 'minio-cluster'
+        static_configs:
+          - targets:
+            - 'minio.minio.svc.cluster.local:9000'
+        metrics_path: /minio/v2/metrics/cluster
+        scheme: http
+      
+      - job_name: 'minio-node'
+        static_configs:
+          - targets:
+            - 'minio.minio.svc.cluster.local:9000'
+        metrics_path: /minio/v2/metrics/node
+        scheme: http
+      
+      # Ingress NGINX
+      - job_name: 'ingress-nginx'
+        kubernetes_sd_configs:
+          - role: pod
+            namespaces:
+              names:
+                - ingress-nginx
+        relabel_configs:
+          - source_labels: [__meta_kubernetes_pod_label_app_kubernetes_io_name]
+            action: keep
+            regex: ingress-nginx
+          - source_labels: [__meta_kubernetes_pod_label_app_kubernetes_io_component]
+            action: keep
+            regex: controller
+          - source_labels: [__address__]
+            action: replace
+            regex: ([^:]+)(?::\d+)?
+            replacement: $1:10254
+            target_label: __address__
+          - source_labels: [__meta_kubernetes_pod_name]
+            action: replace
+            target_label: pod
+          - source_labels: [__meta_kubernetes_namespace]
+            action: replace
+            target_label: namespace

prometheus/kustomization.yaml

@@ -0,0 +1,7 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+resources:
+  # ArgoCD Application 리소스는 infrastructure/kustomization.yaml에서 관리
+  # - argocd/prometheus.yaml
+  - vault/postgresql-password.yaml

prometheus/vault/postgresql-password.yaml

@@ -0,0 +1,18 @@
+apiVersion: external-secrets.io/v1beta1
+kind: ExternalSecret
+metadata:
+  name: postgresql-password
+  namespace: monitoring
+spec:
+  refreshInterval: 1h
+  secretStoreRef:
+    kind: ClusterSecretStore
+    name: vault-backend
+  target:
+    name: postgresql-password
+    creationPolicy: Owner
+  data:
+    - secretKey: password
+      remoteRef:
+        key: monitoring/postgres
+        property: PASSWORD

promtail/argocd/promtail.yaml

@@ -0,0 +1,26 @@
+apiVersion: argoproj.io/v1alpha1
+kind: Application
+metadata:
+  name: promtail
+  namespace: argocd
+spec:
+  project: default
+  sources:
+    - repoURL: https://grafana.github.io/helm-charts
+      chart: promtail
+      targetRevision: 6.16.6
+      helm:
+        valueFiles:
+          - $values/promtail/helm-values/promtail.yaml
+    - repoURL: https://gitea0213.kro.kr/bluemayne/infrastructure.git
+      targetRevision: HEAD
+      ref: values
+  destination:
+    server: https://kubernetes.default.svc
+    namespace: logging
+  syncPolicy:
+    automated:
+      prune: true
+      selfHeal: true
+    syncOptions:
+      - CreateNamespace=true

promtail/helm-values/promtail.yaml

@@ -0,0 +1,49 @@
+# Promtail Helm Values
+# Chart: https://grafana.github.io/helm-charts
+# Log collector agent (DaemonSet on all nodes)
+
+# Loki endpoint
+config:
+  clients:
+    - url: http://loki.logging.svc.cluster.local:3100/loki/api/v1/push
+
+# Default scrape config (use defaults)
+defaultVolumes:
+  - name: run
+    hostPath:
+      path: /run/promtail
+  - name: containers
+    hostPath:
+      path: /var/lib/docker/containers
+  - name: pods
+    hostPath:
+      path: /var/log/pods
+
+defaultVolumeMounts:
+  - name: run
+    mountPath: /run/promtail
+  - name: containers
+    mountPath: /var/lib/docker/containers
+    readOnly: true
+  - name: pods
+    mountPath: /var/log/pods
+    readOnly: true
+
+# Resources
+resources:
+  requests:
+    cpu: 50m
+    memory: 64Mi
+
+# Tolerations to run on all nodes including master
+tolerations:
+  - key: node-role.kubernetes.io/master
+    operator: Exists
+    effect: NoSchedule
+  - key: node-role.kubernetes.io/control-plane
+    operator: Exists
+    effect: NoSchedule
+
+# ServiceMonitor disabled
+serviceMonitor:
+  enabled: false

promtail/kustomization.yaml

@@ -0,0 +1,6 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+resources:
+  # ArgoCD Application 리소스는 infrastructure/kustomization.yaml에서 관리
+  # - argocd/promtail.yaml