groups:
- name: DiscourseAlerts
  rules:
  - alert: DiscourseRequestsHigh5xxErrors
    annotations:
      description: '{{ printf "%.2f" $value }}% of all requests are resulting in 500
        status codes, which is above the threshold 10%, indicating a potentially larger
        issue for {{$labels.instance}}'
      summary: More than 10% of all requests result in a 5XX.
    expr: |
      100 * rate(discourse_http_requests{status="500"}[5m]) / on() group_left() (sum(rate(discourse_http_requests[5m])) by (instance)) > 10
    for: 5m
    labels:
      severity: critical
  - alert: DiscourseRequestsHigh4xxErrors
    annotations:
      description: '{{ printf "%.2f" $value }}% of all requests are resulting in 400
        status code, which is above the threshold 30%, indicating a potentially larger
        issue for {{$labels.instance}}'
      summary: More than 30% of all requests result in a 4XX.
    expr: |
      100 * rate(discourse_http_requests{status=~"^4.*"}[5m]) / on() group_left() (sum(rate(discourse_http_requests[5m])) by (instance)) > 30
    for: 5m
    labels:
      severity: warning