apiVersion: monitoring.coreos.com/v1
kind: PrometheusRule
metadata:
  labels:
    prometheus: kube-prometheus-stack-prometheus
    role: alert-rules
    release: kube-prometheus-stack
  name: s3-capacity
spec:
  groups:
    - name: "s3_monitoring.rules"
      rules:
        - alert: s3_cluster_capacity_warning
          for: 10m
          labels:
            severity: warning
          expr: avg(minio_cluster_capacity_usable_free_bytes{namespace="{{ .Release.Namespace }}"}) * 100 / avg(minio_cluster_capacity_usable_total_bytes{namespace="{{ .Release.Namespace }}"}) < 15 
          annotations:
            message: there is less than 15% left. plz check for deletion or increase capacity
        - alert: s3_cluster_capacity_critical
          for: 10m
          labels:
            severity: critical
          expr: avg(minio_cluster_capacity_usable_free_bytes{namespace="{{ .Release.Namespace }}"}) * 100 / avg(minio_cluster_capacity_usable_total_bytes{namespace="{{ .Release.Namespace }}"}) < 10
          annotations:
            message: there is less than 10% left. plz check for deletion or increase capacity