ssube/prometheus-sql-adapter

apiVersion: monitoring.coreos.com/v1
kind: PrometheusRule
metadata:
  name: prometheus
  labels:
    prometheus-sql-adapter/role: derived-rule
spec:
  groups:
    - interval: 30s
      name: prometheus_remote_storage
      rules:
        # TODO: make this a many-to-one labeled/split by queue
        - expr:
            prometheus_remote_storage_highest_timestamp_in_seconds - on(pod) 
            prometheus_remote_storage_queue_highest_sent_timestamp_seconds{queue=~"0.*"}
          labels:
            derived: rule
          record: prometheus_remote_storage_delay_seconds