##############################################################################
# VictoriaMetrics Single-Node Deployment
# Stores historical metrics from Mimir (Mar 13–present) for Grafana queries
##############################################################################

apiVersion: apps/v1
kind: Deployment
metadata:
  name: victoriametrics
  namespace: victoriametrics
  labels:
    app.kubernetes.io/name: victoriametrics
spec:
  replicas: 1
  selector:
    matchLabels:
      app.kubernetes.io/name: victoriametrics
  template:
    metadata:
      labels:
        app.kubernetes.io/name: victoriametrics
      annotations:
        prometheus.io/scrape: "true"
        prometheus.io/port: "8428"
    spec:
      securityContext:
        fsGroup: 65534
      containers:
        - name: victoriametrics
          image: victoriametrics/victoria-metrics:v1.115.0
          args:
            - "-storageDataPath=/data"
            - "-retentionPeriod=2y"              # Keep historical data for 2 years
            - "-httpListenAddr=:8428"
            - "-search.maxQueryDuration=120s"    # Long-running queries OK for historical
            - "-search.maxSamplesPerQuery=100000000"  # High limit for wide historical queries
            - "-memory.allowedBytes=4GB"          # Memory budget
            - "-search.maxUniqueTimeseries=5000000"  # Allow high cardinality
          ports:
            - name: http
              containerPort: 8428
          volumeMounts:
            - name: data
              mountPath: /data
          resources:
            requests:
              cpu: "2"
              memory: 4Gi
            limits:
              cpu: "4"
              memory: 8Gi
          livenessProbe:
            httpGet:
              path: /health
              port: http
            initialDelaySeconds: 30
            periodSeconds: 15
          readinessProbe:
            httpGet:
              path: /health
              port: http
            initialDelaySeconds: 10
            periodSeconds: 5
      volumes:
        - name: data
          persistentVolumeClaim:
            claimName: victoriametrics-data

---
##############################################################################
# PVC — Vultr Block Storage for VictoriaMetrics data
##############################################################################

apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: victoriametrics-data
  namespace: victoriametrics
spec:
  storageClassName: vultr-block-storage-vm
  accessModes:
    - ReadWriteOnce
  resources:
    requests:
      storage: 200Gi

---
##############################################################################
# Service — ClusterIP (Traefik handles external access)
##############################################################################

apiVersion: v1
kind: Service
metadata:
  name: victoriametrics
  namespace: victoriametrics
  labels:
    app.kubernetes.io/name: victoriametrics
spec:
  selector:
    app.kubernetes.io/name: victoriametrics
  ports:
    - name: http
      port: 8428
      targetPort: http