Check alertmanager config

Validate Alertmanager configuration file

amtool check-config alertmanager.yml
tool
prometheus30 commands
tags
alertmanagermonitoring

More prometheus commands

  • List active alerts
    amtool alert query --alertmanager.url=http://alertmanager:9093

    Show all firing alerts in Alertmanager

  • Reload Prometheus config
    curl -X POST http://prometheus:9090/-/reload

    Hot-reload Prometheus configuration without restart

  • Query instant vector
    curl -sG 'http://prometheus:9090/api/v1/query' --data-urlencode 'query=up' | jq '.data.result'

    Run an instant PromQL query via HTTP API

  • Range query for graph data
    curl -sG 'http://prometheus:9090/api/v1/query_range' --data-urlencode 'query=rate(http_requests_total[5m])' --data-urlencode 'start=1h' --data-urlencode 'end=now' --data-urlencode 'step=60'

    Fetch time-series data over a range for a rate metric

  • Top N series by value
    topk(10, sum by (pod) (rate(container_cpu_usage_seconds_total[5m])))

    PromQL: top 10 pods by CPU usage rate

all 30 prometheus commands