formula-prometheus/prometheus/meta/prometheus.yml

{%- if pillar.prometheus is defined %}
{%- from "prometheus/map.jinja" import server, remote_storage_adapter, monitoring with context %}
server:
  alert:
{%- if server.get('enabled', False) %}
{% raw %}
    PrometheusTargetDown:
      if: 'up != 1'
      for: 2m
      labels:
        severity: critical
        service: prometheus
      annotations:
        summary: 'Prometheus endpoint {{ $labels.instance }} down'
        description: 'The Prometheus target {{ $labels.instance }} is down for the job {{ $labels.job }}.'
{% endraw %}
{%- endif %}
{%- if remote_storage_adapter.get('enabled', False) %}
    RemoteStorageAdapterSendingTooSlow:
      {%- set threshold = monitoring.remote_storage_adapter.sent_vs_received_ratio|float %}
      if: >-
        100.0 - (100.0 * sent_samples_total{job="remote_storage_adapter"} / on (job, instance) received_samples_total) > {{ threshold }}
{% raw %}
      labels:
        severity: warning
        service: remote_storage_adapter
      annotations:
        summary: 'Remote storage adapter too slow on {{ $labels.instance }}'
        description: 'Remote storage adapter can not ingest samples fast enough on {{ $labels.instance }} (current value={{ $value }}%, threshold={%- endraw %}{{ threshold }}%).'
    RemoteStorageAdapterIgnoredTooHigh:
      {%- set threshold = monitoring.remote_storage_adapter.ignored_vs_sent_ratio|float %}
      if: >-
        100.0 * prometheus_influxdb_ignored_samples_total{job="remote_storage_adapter"} / on (job, instance) sent_samples_total > {{ threshold }}
{% raw %}
      labels:
        severity: warning
        service: remote_storage_adapter
      annotations:
        summary: 'Remote storage adapter receiving too many invalid metrics on {{ $labels.instance }}'
        description: 'Remote storage adapter is receiving too many invalid metrics on {{ $labels.instance }} (current value={{ $value }}%, threshold={%- endraw %}{{ threshold }}%).'
{%- endif %}
{%- endif %}