Loki / Ruler not sending to alertmanager

Grafana Loki
1

I’ve got a test alert rule set up, which in the logs shows to be firing, but it is giving me the error msg=“Rule evaluation result discarded” err=unimplemented

No other logs are output to determine what the problem is.

2

Here is my alert config:

alerting_groups:
  - name: test
    rules:
      - alert: TestAlert
        expr: |
          1 + 1
        for: 1m
        labels:
          severity: critical
          category: logs
        annotations:
          summary: "This is a test alert"

Here is my ruler config:

ruler:
  storage:
    type: local
    local:
      directory: /rules
  rule_path: /tmp/scratch
  alertmanager_url: http://prometheus-alertmanager:9093
  ring:
    kvstore:
      store: inmemory
  enable_api: true

Here is my alertmanager config for routing:

route:
  group_by: ["alertname", "job"]
  group_wait: 30s
  group_interval: 5m
  repeat_interval: 6h
  receiver: "discord"
  routes:
    - receiver: "null"
      match:
        alertname: Watchdog
    - receiver: "discord"
      match_re:
        severity: critical
      continue: true
3

Hi @alexphillips

This can be safely ignored; the log message is misleading and has been corrected in later versions of Loki (coming soon). It is relating to recording rules, and remote-writing samples to Prometheus.

4

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