Prometheus 警报规则：解析错误：意外字符：'|'

Question

我有一个 loki 度量表达式，我可以在 grafana 中使用它而不会出现任何错误：

avg_over_time({filename="/home/obey/var/log/domains.metric"} |= "dns_auth_ns_daemon" | logfmt | unwrap success | __error__="" [10m]) == 0

但是，如果我尝试将此表达式用于警报，我会收到来自promtool的错误。 这是警报规则：

groups:
- name: nagitics-exporter
  rules:

  - alert: DomainServed
    expr: avg_over_time({filename="/home/obey/var/log/domains.metric"} |= "dns_auth_ns_daemon" | logfmt | unwrap success | __error__="" [10m]) == 0
    for: 10m
    labels:
      severity: critical
    annotations:
      summary: Zone {{ $labels.hostname }} not served anymore
      description: "Zone {{ $labels.hostname }} does not return a proper authoritative NS record: {{ $labels.raw }}"

错误信息：

Checking rule-nagitics-promtail.yml
  FAILED:
rule-nagitics-promtail.yml: 6:11: group "nagitics-exporter", rule 1, "DomainServed": could not parse expression: 1:62: parse error: unexpected character: '|'

这里有什么问题？

Answer 1

LogQL != PromQL

Alertmanager 和promtool使用 PromQL。