apiVersion: v1
kind: ConfigMap
metadata:
  name: prometheus-config
  namespace: monitoring
data:
  prometheus.yml: |
    global:
      scrape_interval: 15s

    rule_files:
      - "exa.rules.yaml"

    scrape_configs:
      - job_name: "kubernetes-nodes"
        kubernetes_sd_configs:
          - role: node

      - job_name: "exa-csi-metrics-exporter"
        kubernetes_sd_configs:
          - role: pod
        relabel_configs:
          - source_labels: [__meta_kubernetes_pod_label_app]
            action: keep
            regex: exa-csi-metrics-exporter
        metrics_path: /metrics
        scheme: http
        static_configs:
          - targets: ["exa-csi-metrics-exporter.default.svc.cluster.local:9200"]

  exa.rules.yaml: |
    groups:
    - name: exa-storageclass-rules
      interval: 15s
      rules:
      - record: exa_csi_sc_capacity_bytes
        expr: sum (exa_csi_pvc_capacity_bytes) by (storage_class)
      - record: exa_csi_sc_used_bytes
        expr: sum (exa_csi_pvc_used_bytes) by (storage_class)
      - record: exa_csi_sc_available_bytes
        expr: sum (exa_csi_pvc_available_bytes) by (storage_class)
      - record: exa_csi_sc_pvc_count
        expr: count(exa_csi_pvc_capacity_bytes) by (storage_class)

    - name: exa-namespace-rules
      interval: 15s
      rules:
      - record: exa_csi_namespace_capacity_bytes
        expr: sum(exa_csi_pvc_capacity_bytes) by (exported_namespace)
      - record: exa_csi_namespace_used_bytes
        expr: sum(exa_csi_pvc_used_bytes) by (exported_namespace)
      - record: exa_csi_namespace_available_bytes
        expr: sum(exa_csi_pvc_available_bytes) by (exported_namespace)
      - record: exa_csi_namespace_pvc_count
        expr: count(exa_csi_pvc_capacity_bytes) by (exported_namespace)