change the Accept header sent to the exporters #41
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change the Accept header sent to the exporters
Create a new version of the API endpoint (
/v2
) and deprecate/v1
.This new version change the
Accept
HTTP header sent to the exporters requested (fromapplication/openmetrics-text
… totext/plain
) because the Go library we use does not seems to support all OpenMetrics specificities ^1.The requests sent to the exporters contains a new HTTP header
X-Promfetcher-API-version
with the Promfetchers API version.^1: Java actuator does respect the OpenMetrics specifications; the double quotes in the comments is not supported for example:
See also:
[1]: prometheus/client_golang#829 (comment)
[2]: prometheus/common#214