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Does label_values work in older versions of Grafana? I have a suspicion that Grafana recently changed the API call that label_values makes, breaking compatibility with GMP. If so, we'll have to implement a fix. |
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It started to work, when we didn't specify Prometheus version in when we add Prometheus Data Source. That correlates with change introduced in mentioned Grafana PR (grafana/grafana#56510) - as fallback mechanism it uses |
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Gotcha, thanks. Sounds like we need to gracefully handle this change in how label_values is translated. While Monarch requires a metric name for all queries including autocomplete (which is why we can't support a naked labels() function), when using label_values() the constructed /values query does include the metric name in the match params. We should be able to do something like intelligently parse the vars out of /values call and return a valid result. Thanks for the heads up! Will let you know when we fix it. |
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Hi,
we deployed the frontend-proxy to access Managed Prometheus. In our dashboards we use variables such as
label_values(kube_pod_info, cluster)but these queries doesn't work - they return 400 because Grafana uses /api/v1/$label/values endpoint - this is how the request look like:I understand from docs that this is not supported (https://cloud.google.com/stackdriver/docs/managed-prometheus/query#http-api-details) but I am not using the form
label_values($label)but the recommended onelabel_values($metric, $label).Is it possible to use
/api/v1/seriesfor getting just label values ? I am struggling with the query...We use:
Thanks for help.
Edit: Relevant PR in Grafana - grafana/grafana#56510 . We specified the prometheus version in data source setting to 2.35.0 (
"prometheusVersion": "2.35.0",)Beta Was this translation helpful? Give feedback.
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