apiVersion: v1
kind: ConfigMap
metadata:
  name: prometheus-alerts
  namespace: istio-system
data:
  prometheus.rules.yml: |-
    groups:
    - name: prysm
      rules:
      - alert: stalled_chain
        expr: delta(avg(state_last_slot > scalar(max(state_last_slot) - 100))[10m:30s]) < 50
        for: 1m
        annotations:
          summary: No block slots advanced in 2 minutes
      - alert: too_long_since_finality
        expr: max(state_last_slot / 8) - floor(max(state_last_finalized_epoch)) > 10
        for: 1m
        annotations:
          summary: No finality in 10 epochs
      - alert: high_reorg_rate
        expr: max(delta(reorg_counter[10m])) > 5
        for: 1m
        annotations:
          summary: Some nodes are seeing more than 5 reorgs in 10 minutes
      - alert: high_goroutines
        expr: max_over_time(go_goroutines{component="beacon-chain"}[1m]) > 1000
        for: 1m
        annotations:
          summary: Some nodes are experencing more than 1000 goroutines