Wouldn't it be nice to have arbitrary locations on the Worldmap panel?
In the previous post we looked at using the Worldmap panel with the pre-set countries and US states. If you wanted locations beyond that you can provide them via a single JSON endpoint, however there is also a way to have the location come from the time series themselves. The
geohash location data option is targeted at data from Elasticsearch, but is also usable for Prometheus.
Once you have your geohash you can put it in a metric, Dublin for example would be:
From there you can edit your Worldmap panel in Grafana, on the Metrics tab setting the query to
a_metric, Format as to Table, and enabling Instant Query. On the Worldmap tab, set Location Data to geohash, ES Metric Field must be set to
Value, our geohash is in the
geohash label so set ES geo_point Field to
geohash, and here the label of the location is in the
place label, so set ES Location Name Field to
The end result would look like:
You could use this for example to have each of your datacenters report a metric with its location, federate that metric to a global Prometheus, and use that for a global dashboard. As Prometheus does not have any understanding of geohashes, any aggregation across different geohashes would need to be done before the metric was exposed.
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