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Add HTTP status code to histogram

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The histogram for gateway_functions_seconds excluded the status
code that gives important information for setting up SLOs.

Fixes: #1725

Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alex@openfaas.com>
This commit is contained in:
Alex Ellis (OpenFaaS Ltd)
2022-06-01 09:33:36 +01:00
committed by Alex Ellis
parent 96cfdee085
commit cc2f38938e
7 changed files with 25 additions and 85 deletions
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2
gateway/metrics/exporter_test.go
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@ -48,7 +48,7 @@ func Test_Describe_DescribesThePrometheusMetrics(t *testing.T) {
}
d = <-ch
expectedGatewayFunctionsHistogramDesc := `Desc{fqName: "gateway_functions_seconds", help: "Function time taken", constLabels: {}, variableLabels: [function_name]}`
expectedGatewayFunctionsHistogramDesc := `Desc{fqName: "gateway_functions_seconds", help: "Function time taken", constLabels: {}, variableLabels: [function_name code]}`
actualGatewayFunctionsHistogramDesc := d.String()
if expectedGatewayFunctionsHistogramDesc != actualGatewayFunctionsHistogramDesc {
t.Errorf("Want\n%s\ngot\n%s", expectedGatewayFunctionsHistogramDesc, actualGatewayFunctionsHistogramDesc)