vieter-v
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metrics
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vieter-v:mem-usage
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compare: vieter-v:mem-usage
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4 changed files with 9 additions and 12 deletions
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3
metrics.v
View File

@ -10,7 +10,7 @@ pub:
} }
pub fn (m &Metric) str() string { pub fn (m &Metric) str() string {
return '${m.name} ${m.labels}' return '$m.name $m.labels'
} }
pub interface MetricsCollector { pub interface MetricsCollector {
@ -23,7 +23,6 @@ pub interface MetricsCollector {
mut: mut:
counter_set(val u64, metric Metric) counter_set(val u64, metric Metric)
counter_increment(metric Metric) counter_increment(metric Metric)
histogram_buckets_set(name string, buckets []f64)
histogram_record(value f64, metric Metric) histogram_record(value f64, metric Metric)
gauge_set(value f64, metric Metric) gauge_set(value f64, metric Metric)
gauge_add(value f64, metric Metric) gauge_add(value f64, metric Metric)

2
null.v
View File

@ -19,8 +19,6 @@ pub fn (c &NullCollector) counters() []Metric {
return [] return []
} }
pub fn (c &NullCollector) histogram_buckets_set(name string, buckets []f64) {}
pub fn (c &NullCollector) histogram_record(value f64, metric Metric) {} pub fn (c &NullCollector) histogram_record(value f64, metric Metric) {}
pub fn (c &NullCollector) histogram_get(metric Metric) ?Histogram { pub fn (c &NullCollector) histogram_get(metric Metric) ?Histogram {

14
prometheus.v
View File

@ -27,10 +27,10 @@ fn join_two_array(arr [2]string) string {
pub fn (e &PrometheusExporter) serialize_metric(metric Metric) string { pub fn (e &PrometheusExporter) serialize_metric(metric Metric) string {
if metric.labels.len == 0 { if metric.labels.len == 0 {
return '${e.prefix}${metric.name}' return '$e.prefix$metric.name'
} }
return '${e.prefix}${metric.name}{${metric.labels.map(join_two_array(it)).join(',')}}' return '$e.prefix$metric.name{${metric.labels.map(join_two_array(it)).join(',')}}'
} }
pub fn (mut e PrometheusExporter) export_to_string() !string { pub fn (mut e PrometheusExporter) export_to_string() !string {
@ -44,14 +44,14 @@ pub fn (mut e PrometheusExporter) export_to_string() !string {
pub fn (mut e PrometheusExporter) export_to_writer(mut writer io.Writer) ! { pub fn (mut e PrometheusExporter) export_to_writer(mut writer io.Writer) ! {
for counter in e.collector.counters() { for counter in e.collector.counters() {
val := e.collector.counter_get(counter) or { return error("This can't happen.") } val := e.collector.counter_get(counter) or { return error("This can't happen.") }
line := '${e.serialize_metric(counter)} ${val}\n' line := '${e.serialize_metric(counter)} $val\n'
writer.write(line.bytes())! writer.write(line.bytes())!
} }
for gauge in e.collector.gauges() { for gauge in e.collector.gauges() {
val := e.collector.gauge_get(gauge) or { return error("This can't happen.") } val := e.collector.gauge_get(gauge) or { return error("This can't happen.") }
line := '${e.serialize_metric(gauge)} ${val}\n' line := '${e.serialize_metric(gauge)} $val\n'
writer.write(line.bytes())! writer.write(line.bytes())!
} }
@ -63,13 +63,13 @@ pub fn (mut e PrometheusExporter) export_to_writer(mut writer io.Writer) ! {
...hist ...hist
name: '${hist.name}_count' name: '${hist.name}_count'
} }
writer.write('${e.serialize_metric(m)} ${hist_data.total_count}\n'.bytes())! writer.write('${e.serialize_metric(m)} $hist_data.total_count\n'.bytes())!
m = Metric{ m = Metric{
...hist ...hist
name: '${hist.name}_sum' name: '${hist.name}_sum'
} }
writer.write('${e.serialize_metric(m)} ${hist_data.sum}\n'.bytes())! writer.write('${e.serialize_metric(m)} $hist_data.sum\n'.bytes())!
mut le_labels := [][2]string{} mut le_labels := [][2]string{}
le_labels.prepend(hist.labels) le_labels.prepend(hist.labels)
@ -95,7 +95,7 @@ pub fn (mut e PrometheusExporter) export_to_writer(mut writer io.Writer) ! {
labels: le_labels labels: le_labels
} }
writer.write('${e.serialize_metric(m)} ${hist_data.total_count}\n'.bytes())! writer.write('${e.serialize_metric(m)} $hist_data.total_count\n'.bytes())!
} }
} }
} }

2
prometheus_test.v
View File

@ -40,7 +40,7 @@ fn test_only_gauges() {
fn test_single_histogram() { fn test_single_histogram() {
mut m := new_default_collector() mut m := new_default_collector()
m.histogram_buckets_set('test', [0.5, 5.0]) m.histogram_buckets_set('test', [0.5, 5.0])
m.histogram_record(5.0, name: 'test') m.histogram_record(5.0, name: 'test')
m.histogram_record(7.0, name: 'test') m.histogram_record(7.0, name: 'test')