HTTP API: Support duration and float formats for step parameter #1355
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Signed-off-by: Cyril Tovena <cyril.tovena@gmail.com>
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/cc @slim-bean The build should pass and we should get that for 1.1. |
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What this PR does / why we need it:
To have an http interface more compliant with Prometheus specification we should support both duration and float formats for the step parameter. See https://prometheus.io/docs/prometheus/latest/querying/api/
Which issue(s) this PR fixes:
Fixes #1209
Special notes for your reviewer:
I don't code in Go frequently, so please let me know if I can improve this PR.
Although it's not necessary I kept a test for integer format to support backwards compatibility.
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