vieter-v
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metrics
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feat: output +Inf bucket

mem-usage
Jef Roosens 2023-01-04 10:31:48 +01:00
parent 7e39051c1f
commit 08d95965af
Signed by: Jef Roosens
GPG Key ID: B75D4F293C7052DB
2 changed files with 12 additions and 1 deletions
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10
prometheus.v
View File

@ -109,5 +109,15 @@ pub fn (mut e PrometheusExporter) export_to_writer(mut writer io.Writer) ! {
writer.write('${e.serialize_metric(m)} ${bucket_counts[j]}\n'.bytes())!
}
// Always output the +Inf bucket
le_labels[le_labels.len - 1][1] = '+Inf'
m = Metric{
name: '${hist.name}_bucket'
labels: le_labels
}
writer.write('${e.serialize_metric(m)} $total_count\n'.bytes())!
}
}

3
prometheus_test.v
View File

@ -41,9 +41,10 @@ fn test_single_histogram() {
mut m := new_default_collector()
m.histogram_record(5.0, name: 'test')
m.histogram_record(7.0, name: 'test')
mut e := new_prometheus_exporter([0.5, 5.0])
e.load('hi_', m)
assert e.export_to_string()! == 'hi_test_count 1\nhi_test_sum 5.0\nhi_test_bucket{le="0.5"} 0\nhi_test_bucket{le="5.0"} 1\n'
assert e.export_to_string()! == 'hi_test_count 2\nhi_test_sum 12.0\nhi_test_bucket{le="0.5"} 0\nhi_test_bucket{le="5.0"} 1\nhi_test_bucket{le="+Inf"} 2\n'
}