# ------------------------------------------------------------------------------
# Pure FlashArray OpenMetrics Exporter - Deployment
#
# Provides Prometheus-scrapable metrics from Pure Storage FlashArray
# Polls FlashArray API and exposes /metrics endpoint for Prometheus ServiceMonitor
#
# Container: quay.io/purestorage/pure-fa-om-exporter (official image)
# Port: 9490 (standard exporter port)
# Config: tokens.yaml mounted from Secret
# ------------------------------------------------------------------------------
apiVersion: apps/v1
kind: Deployment
metadata:
  name: pure-fa-exporter
  namespace: monitoring
  labels:
    app.kubernetes.io/name: pure-fa-exporter
    app.kubernetes.io/component: metrics
    app.kubernetes.io/part-of: monitoring
spec:
  replicas: 1
  selector:
    matchLabels:
      app.kubernetes.io/name: pure-fa-exporter
  template:
    metadata:
      labels:
        app.kubernetes.io/name: pure-fa-exporter
        app.kubernetes.io/component: metrics
    spec:
      containers:
      - name: exporter
        image: quay.io/purestorage/pure-fa-om-exporter:v1.0.27
        imagePullPolicy: IfNotPresent
        
        # Command args - point to tokens file
        args:
          - --port=9490
          - --tokens=/etc/pure-exporter/tokens.yaml
        
        ports:
        - name: metrics
          containerPort: 9490
          protocol: TCP
        
        # Resource limits (exporter is lightweight)
        resources:
          requests:
            cpu: 50m
            memory: 64Mi
          limits:
            cpu: 200m
            memory: 128Mi
        
        # Health checks
        livenessProbe:
          httpGet:
            path: /
            port: metrics
          initialDelaySeconds: 10
          periodSeconds: 30
          timeoutSeconds: 5
          
        readinessProbe:
          httpGet:
            path: /
            port: metrics
          initialDelaySeconds: 5
          periodSeconds: 10
          timeoutSeconds: 5
        
        # Mount tokens.yaml from secret
        volumeMounts:
        - name: tokens
          mountPath: /etc/pure-exporter
          readOnly: true
      
      volumes:
      - name: tokens
        secret:
          secretName: pure-fa-exporter-token
          items:
          - key: tokens.yaml
            path: tokens.yaml
      
      # Security context
      securityContext:
        runAsNonRoot: true
        runAsUser: 65534
        fsGroup: 65534