a67810615a
update tests, helper methods, etc for changed interfaces linted and some tests updated... statediff tests failing on filesystem call locally undo changes to go.mod from rebase changed ref and repo to try old stack-orch with miner.etherbase arg turn off new tests yml for old tests with hack for old stack-orchestrator
124 lines
3.9 KiB
Go
124 lines
3.9 KiB
Go
// Copyright 2019 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package prometheus
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import (
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"bytes"
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"fmt"
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"strconv"
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"strings"
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"github.com/ethereum/go-ethereum/metrics"
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)
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var (
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typeGaugeTpl = "# TYPE %s gauge\n"
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typeCounterTpl = "# TYPE %s counter\n"
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typeSummaryTpl = "# TYPE %s summary\n"
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keyValueTpl = "%s %v\n\n"
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keyQuantileTagValueTpl = "%s {quantile=\"%s\"} %v\n"
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)
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// collector is a collection of byte buffers that aggregate Prometheus reports
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// for different metric types.
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type collector struct {
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buff *bytes.Buffer
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}
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// newCollector creates a new Prometheus metric aggregator.
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func newCollector() *collector {
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return &collector{
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buff: &bytes.Buffer{},
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}
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}
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func (c *collector) addCounter(name string, m metrics.Counter) {
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c.writeGaugeCounter(name, m.Count())
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}
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func (c *collector) addGauge(name string, m metrics.Gauge) {
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c.writeGaugeCounter(name, m.Value())
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}
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func (c *collector) addGaugeFloat64(name string, m metrics.GaugeFloat64) {
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c.writeGaugeCounter(name, m.Value())
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}
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func (c *collector) addHistogram(name string, m metrics.Histogram) {
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pv := []float64{0.5, 0.75, 0.95, 0.99, 0.999, 0.9999}
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ps := m.Percentiles(pv)
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c.writeSummaryCounter(name, m.Count())
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c.buff.WriteString(fmt.Sprintf(typeSummaryTpl, mutateKey(name)))
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for i := range pv {
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c.writeSummaryPercentile(name, strconv.FormatFloat(pv[i], 'f', -1, 64), ps[i])
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}
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c.buff.WriteRune('\n')
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}
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func (c *collector) addMeter(name string, m metrics.Meter) {
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c.writeGaugeCounter(name, m.Count())
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}
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func (c *collector) addTimer(name string, m metrics.Timer) {
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pv := []float64{0.5, 0.75, 0.95, 0.99, 0.999, 0.9999}
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ps := m.Percentiles(pv)
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c.writeSummaryCounter(name, m.Count())
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c.buff.WriteString(fmt.Sprintf(typeSummaryTpl, mutateKey(name)))
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for i := range pv {
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c.writeSummaryPercentile(name, strconv.FormatFloat(pv[i], 'f', -1, 64), ps[i])
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}
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c.buff.WriteRune('\n')
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c.buff.WriteString(fmt.Sprintf(typeGaugeTpl, mutateKey(name+"_total")))
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c.buff.WriteString(fmt.Sprintf(keyValueTpl, mutateKey(name+"_total"), m.Total()))
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}
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func (c *collector) addResettingTimer(name string, m metrics.ResettingTimer) {
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if len(m.Values()) <= 0 {
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return
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}
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ps := m.Percentiles([]float64{50, 95, 99})
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val := m.Values()
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c.writeSummaryCounter(name, len(val))
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c.buff.WriteString(fmt.Sprintf(typeSummaryTpl, mutateKey(name)))
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c.writeSummaryPercentile(name, "0.50", ps[0])
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c.writeSummaryPercentile(name, "0.95", ps[1])
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c.writeSummaryPercentile(name, "0.99", ps[2])
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c.buff.WriteRune('\n')
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}
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func (c *collector) writeGaugeCounter(name string, value interface{}) {
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name = mutateKey(name)
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c.buff.WriteString(fmt.Sprintf(typeGaugeTpl, name))
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c.buff.WriteString(fmt.Sprintf(keyValueTpl, name, value))
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}
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func (c *collector) writeSummaryCounter(name string, value interface{}) {
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name = mutateKey(name + "_count")
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c.buff.WriteString(fmt.Sprintf(typeCounterTpl, name))
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c.buff.WriteString(fmt.Sprintf(keyValueTpl, name, value))
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}
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func (c *collector) writeSummaryPercentile(name, p string, value interface{}) {
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name = mutateKey(name)
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c.buff.WriteString(fmt.Sprintf(keyQuantileTagValueTpl, name, p, value))
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}
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func mutateKey(key string) string {
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return strings.ReplaceAll(key, "/", "_")
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}
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