Validate rules and config with promtool prometheus
lint before reload; run in CI to catch broken expr/yaml before deploy
promtool check rules rules.yml && promtool check config prometheus.yml
more prometheus
all 30 commands →
Instant query from CLI
promtool query instant http://localhost:9090 'topk(5, sum by(pod)(rate(container_cpu_usage_seconds_total[5m])))'
Find cardinality offenders in TSDB
promtool tsdb analyze /prometheus --limit 20
Query Prometheus via curl
curl -sG 'http://prometheus:9090/api/v1/query' --data-urlencode 'query=up' | jq .
Instant query via promtool
promtool query instant http://prometheus:9090 'up{job="kubelet"}'
Range query via curl
curl -sG 'http://prometheus:9090/api/v1/query_range' --data-urlencode 'query=rate(http_requests_total[5m])' --data-urlencode 'start=2024-01-01T00:00:00Z' --data-urlencode 'end=2024-01-01T01:00:00Z' --data-urlencode 'step=60s' | jq .