micro-meter-victoriametrics/victoriametrics.go
Vasiliy Tolstov b308e073a0 fixup metric labels helper
Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>
2021-10-31 14:46:40 +03:00

121 lines
2.9 KiB
Go

package victoriametrics
import (
"io"
"time"
"github.com/VictoriaMetrics/metrics"
"go.unistack.org/micro/v3/meter"
)
type victoriametricsMeter struct {
set *metrics.Set
opts meter.Options
}
func NewMeter(opts ...meter.Option) meter.Meter {
return &victoriametricsMeter{set: metrics.NewSet(), opts: meter.NewOptions(opts...)}
}
func (r *victoriametricsMeter) Name() string {
return r.opts.Name
}
func (r *victoriametricsMeter) Clone(opts ...meter.Option) meter.Meter {
options := r.opts
for _, o := range opts {
o(&options)
}
return &victoriametricsMeter{set: r.set, opts: options}
}
func (r *victoriametricsMeter) buildName(name string, labels ...string) string {
if len(r.opts.MetricPrefix) > 0 {
name = r.opts.MetricPrefix + name
}
nl := len(r.opts.Labels) + len(labels)
if nl == 0 {
return name
}
nlabels := make([]string, 0, nl)
nlabels = append(nlabels, r.opts.Labels...)
nlabels = append(nlabels, labels...)
if len(r.opts.LabelPrefix) == 0 {
return meter.BuildName(name, nlabels...)
}
for idx := 0; idx < nl; idx++ {
nlabels[idx] = r.opts.LabelPrefix + nlabels[idx]
idx++
}
return meter.BuildName(name, nlabels...)
}
func (r *victoriametricsMeter) Counter(name string, labels ...string) meter.Counter {
return r.set.GetOrCreateCounter(r.buildName(name, labels...))
}
func (r *victoriametricsMeter) FloatCounter(name string, labels ...string) meter.FloatCounter {
return r.set.GetOrCreateFloatCounter(r.buildName(name, labels...))
}
func (r *victoriametricsMeter) Gauge(name string, f func() float64, labels ...string) meter.Gauge {
return r.set.GetOrCreateGauge(r.buildName(name, labels...), f)
}
func (r *victoriametricsMeter) Histogram(name string, labels ...string) meter.Histogram {
return r.set.GetOrCreateHistogram(r.buildName(name, labels...))
}
func (r *victoriametricsMeter) Summary(name string, labels ...string) meter.Summary {
return r.set.GetOrCreateSummary(r.buildName(name, labels...))
}
func (r *victoriametricsMeter) SummaryExt(name string, window time.Duration, quantiles []float64, labels ...string) meter.Summary {
return r.set.GetOrCreateSummaryExt(r.buildName(name, labels...), window, quantiles)
}
func (r *victoriametricsMeter) Set(opts ...meter.Option) meter.Meter {
m := &victoriametricsMeter{opts: r.opts}
for _, o := range opts {
o(&m.opts)
}
m.set = metrics.NewSet()
return m
}
func (r *victoriametricsMeter) Init(opts ...meter.Option) error {
for _, o := range opts {
o(&r.opts)
}
return nil
}
func (r *victoriametricsMeter) Write(w io.Writer, opts ...meter.Option) error {
options := r.opts
for _, o := range opts {
o(&options)
}
r.set.WritePrometheus(w)
if options.WriteProcessMetrics {
metrics.WriteProcessMetrics(w)
}
if options.WriteFDMetrics {
metrics.WriteFDMetrics(w)
}
return nil
}
func (r *victoriametricsMeter) Options() meter.Options {
return r.opts
}
func (r *victoriametricsMeter) String() string {
return "victoriametrics"
}