# ------------------------------------------------------------------------------
# Proxmox VE Exporter
# Scrapes the Proxmox cluster API for VM states, storage, CPU metrics.
# Uses multi-target pattern — Prometheus passes the target node as a param.
#
# Credentials: prometheus@pve!prometheus-token
# Config file mounted from Secret (populated by ESO from 1Password)
# ------------------------------------------------------------------------------

# ConfigMap for pve.yml — credentials file for the exporter
# Token value injected at runtime from the Secret via init container
apiVersion: v1
kind: ConfigMap
metadata:
  name: pve-exporter-config
  namespace: monitoring
data:
  pve.yml: |
    default:
      user: prometheus@pve
      token_name: prometheus-token
      verify_ssl: false
---
# Deployment
apiVersion: apps/v1
kind: Deployment
metadata:
  name: pve-exporter
  namespace: monitoring
  labels:
    app: pve-exporter
spec:
  replicas: 1
  selector:
    matchLabels:
      app: pve-exporter
  template:
    metadata:
      labels:
        app: pve-exporter
    spec:
      securityContext:
        runAsNonRoot: true
        runAsUser: 1000
        runAsGroup: 1000
        seccompProfile:
          type: RuntimeDefault
      initContainers:
        # Merge the token value from the secret into the config file
        - name: config-init
          image: busybox:1.36
          command:
            - sh
            - -c
            - |
              cp /config-ro/pve.yml /config/pve.yml
              echo "  token_value: $(cat /secrets/token-value)" >> /config/pve.yml
          securityContext:
            allowPrivilegeEscalation: false
            capabilities:
              drop:
                - ALL
          volumeMounts:
            - name: config-ro
              mountPath: /config-ro
            - name: config-rw
              mountPath: /config
            - name: secret
              mountPath: /secrets
      containers:
        - name: pve-exporter
          image: prompve/prometheus-pve-exporter:3.5.1
          args:
            - --config.file=/config/pve.yml
          ports:
            - containerPort: 9221
              name: metrics
          securityContext:
            allowPrivilegeEscalation: false
            capabilities:
              drop:
                - ALL
          volumeMounts:
            - name: config-rw
              mountPath: /config
          resources:
            requests:
              cpu: 50m
              memory: 64Mi
            limits:
              cpu: 200m
              memory: 128Mi
      volumes:
        - name: config-ro
          configMap:
            name: pve-exporter-config
        - name: config-rw
          emptyDir: {}
        - name: secret
          secret:
            secretName: pve-exporter-secret
---
# Service
apiVersion: v1
kind: Service
metadata:
  name: pve-exporter
  namespace: monitoring
  labels:
    app: pve-exporter
spec:
  selector:
    app: pve-exporter
  ports:
    - name: metrics
      port: 9221
      targetPort: 9221