INIT(repo): monitoring stack setup

promtail/argocd/promtail.yaml

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+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

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+# 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

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