use meter interface
Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>
This commit is contained in:
@@ -1,256 +1,110 @@
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package victoriametrics
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import (
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"context"
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"fmt"
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"io"
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"strings"
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"time"
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metrics "github.com/VictoriaMetrics/metrics"
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"github.com/unistack-org/micro/v3/client"
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"github.com/unistack-org/micro/v3/server"
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"github.com/VictoriaMetrics/metrics"
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"github.com/unistack-org/micro/v3/meter"
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)
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var (
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// default metric prefix
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DefaultMetricPrefix = "micro_"
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// default label prefix
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DefaultLabelPrefix = "micro_"
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)
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type Options struct {
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Name string
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Version string
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ID string
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type victoriametricsMeter struct {
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set *metrics.Set
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opts meter.Options
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}
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type Option func(*Options)
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func ServiceName(name string) Option {
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return func(opts *Options) {
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opts.Name = name
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}
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func NewMeter(opts ...meter.Option) meter.Meter {
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return &victoriametricsMeter{set: metrics.NewSet(), opts: meter.NewOptions(opts...)}
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}
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func ServiceVersion(version string) Option {
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return func(opts *Options) {
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opts.Version = version
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}
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}
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func (r *victoriametricsMeter) buildName(name string, opts ...meter.Option) string {
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var b strings.Builder
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func ServiceID(id string) Option {
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return func(opts *Options) {
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opts.ID = id
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}
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}
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func getName(name string, labels []string) string {
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if len(labels) > 0 {
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return fmt.Sprintf(`%s%s{%s}`, DefaultMetricPrefix, name, strings.Join(labels, ","))
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}
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return fmt.Sprintf(`%s%s`, DefaultMetricPrefix, name)
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}
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func getLabels(opts ...Option) []string {
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options := Options{}
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for _, opt := range opts {
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opt(&options)
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options := r.opts
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for _, o := range opts {
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o(&options)
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}
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labels := make([]string, 0, 3)
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labels = append(labels, fmt.Sprintf(`%sname="%s"`, DefaultLabelPrefix, options.Name))
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labels = append(labels, fmt.Sprintf(`%sversion="%s"`, DefaultLabelPrefix, options.Version))
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labels = append(labels, fmt.Sprintf(`%sid="%s"`, DefaultLabelPrefix, options.ID))
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return labels
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}
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type wrapper struct {
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options Options
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callFunc client.CallFunc
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client.Client
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labels []string
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}
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func NewClientWrapper(opts ...Option) client.Wrapper {
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labels := getLabels(opts...)
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return func(c client.Client) client.Client {
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handler := &wrapper{
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labels: labels,
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Client: c,
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if len(options.MetricPrefix) > 0 {
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_, _ = b.WriteString(options.MetricPrefix)
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}
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labelPrefix := false
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if len(options.LabelPrefix) > 0 {
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labelPrefix = true
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}
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_, _ = b.WriteString(name)
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if options.Labels.Len() > 0 {
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_, _ = b.WriteRune('{')
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iter := options.Labels.Iter()
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var k, v string
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for idx := 0; iter.Next(&k, &v); idx++ {
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if idx > 0 {
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_, _ = b.WriteRune(',')
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}
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if labelPrefix {
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_, _ = b.WriteString(options.LabelPrefix)
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}
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_, _ = b.WriteString(k)
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_, _ = b.WriteString(`="`)
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_, _ = b.WriteString(v)
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_, _ = b.WriteString(`"`)
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}
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return handler
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}
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}
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func NewCallWrapper(opts ...Option) client.CallWrapper {
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labels := getLabels(opts...)
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return func(fn client.CallFunc) client.CallFunc {
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handler := &wrapper{
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labels: labels,
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callFunc: fn,
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}
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return handler.CallFunc
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}
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}
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func (w *wrapper) CallFunc(ctx context.Context, addr string, req client.Request, rsp interface{}, opts client.CallOptions) error {
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endpoint := fmt.Sprintf("%s.%s", req.Service(), req.Endpoint())
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wlabels := append(w.labels, fmt.Sprintf(`%sendpoint="%s"`, DefaultLabelPrefix, endpoint))
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timeCounterSummary := metrics.GetOrCreateSummary(getName("client_request_latency_microseconds", wlabels))
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timeCounterHistogram := metrics.GetOrCreateSummary(getName("client_request_duration_seconds", wlabels))
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ts := time.Now()
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err := w.callFunc(ctx, addr, req, rsp, opts)
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te := time.Since(ts)
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timeCounterSummary.Update(float64(te.Seconds()))
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timeCounterHistogram.Update(te.Seconds())
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if err == nil {
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metrics.GetOrCreateCounter(getName("client_request_total", append(wlabels, fmt.Sprintf(`%sstatus="success"`, DefaultLabelPrefix)))).Inc()
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} else {
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metrics.GetOrCreateCounter(getName("client_request_total", append(wlabels, fmt.Sprintf(`%sstatus="failure"`, DefaultLabelPrefix)))).Inc()
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_, _ = b.WriteRune('}')
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}
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return err
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return b.String()
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}
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func (w *wrapper) Call(ctx context.Context, req client.Request, rsp interface{}, opts ...client.CallOption) error {
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endpoint := fmt.Sprintf("%s.%s", req.Service(), req.Endpoint())
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wlabels := append(w.labels, fmt.Sprintf(`%sendpoint="%s"`, DefaultLabelPrefix, endpoint))
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func (r *victoriametricsMeter) Counter(name string, opts ...meter.Option) meter.Counter {
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return r.set.GetOrCreateCounter(r.buildName(name, opts...))
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}
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timeCounterSummary := metrics.GetOrCreateSummary(getName("client_request_latency_microseconds", wlabels))
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timeCounterHistogram := metrics.GetOrCreateSummary(getName("client_request_duration_seconds", wlabels))
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func (r *victoriametricsMeter) FloatCounter(name string, opts ...meter.Option) meter.FloatCounter {
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return r.set.GetOrCreateFloatCounter(r.buildName(name, opts...))
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}
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ts := time.Now()
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err := w.Client.Call(ctx, req, rsp, opts...)
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te := time.Since(ts)
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func (r *victoriametricsMeter) Gauge(name string, f func() float64, opts ...meter.Option) meter.Gauge {
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return r.set.GetOrCreateGauge(r.buildName(name, opts...), f)
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}
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timeCounterSummary.Update(float64(te.Seconds()))
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timeCounterHistogram.Update(te.Seconds())
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if err == nil {
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metrics.GetOrCreateCounter(getName("client_request_total", append(wlabels, fmt.Sprintf(`%sstatus="success"`, DefaultLabelPrefix)))).Inc()
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} else {
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metrics.GetOrCreateCounter(getName("client_request_total", append(wlabels, fmt.Sprintf(`%sstatus="failure"`, DefaultLabelPrefix)))).Inc()
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func (r *victoriametricsMeter) Histogram(name string, opts ...meter.Option) meter.Histogram {
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return r.set.GetOrCreateHistogram(r.buildName(name, opts...))
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}
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func (r *victoriametricsMeter) Summary(name string, opts ...meter.Option) meter.Summary {
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return r.set.GetOrCreateSummary(r.buildName(name, opts...))
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}
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func (r *victoriametricsMeter) SummaryExt(name string, window time.Duration, quantiles []float64, opts ...meter.Option) meter.Summary {
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return r.set.GetOrCreateSummaryExt(r.buildName(name, opts...), window, quantiles)
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}
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func (r *victoriametricsMeter) Set(opts ...meter.Option) meter.Meter {
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m := &victoriametricsMeter{opts: meter.NewOptions(opts...), set: metrics.NewSet()}
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return m
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}
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func (r *victoriametricsMeter) Init(opts ...meter.Option) error {
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for _, o := range opts {
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o(&r.opts)
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}
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return err
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return nil
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}
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func (w *wrapper) Stream(ctx context.Context, req client.Request, opts ...client.CallOption) (client.Stream, error) {
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endpoint := fmt.Sprintf("%s.%s", req.Service(), req.Endpoint())
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wlabels := append(w.labels, fmt.Sprintf(`%sendpoint="%s"`, DefaultLabelPrefix, endpoint))
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timeCounterSummary := metrics.GetOrCreateSummary(getName("client_request_latency_microseconds", wlabels))
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timeCounterHistogram := metrics.GetOrCreateSummary(getName("client_request_duration_seconds", wlabels))
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ts := time.Now()
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stream, err := w.Client.Stream(ctx, req, opts...)
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te := time.Since(ts)
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timeCounterSummary.Update(float64(te.Seconds()))
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timeCounterHistogram.Update(te.Seconds())
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if err == nil {
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metrics.GetOrCreateCounter(getName("client_request_total", append(wlabels, fmt.Sprintf(`%sstatus="success"`, DefaultLabelPrefix)))).Inc()
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} else {
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metrics.GetOrCreateCounter(getName("client_request_total", append(wlabels, fmt.Sprintf(`%sstatus="failure"`, DefaultLabelPrefix)))).Inc()
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func (r *victoriametricsMeter) Write(w io.Writer, withProcessMetrics bool) error {
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r.set.WritePrometheus(w)
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if withProcessMetrics {
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metrics.WriteProcessMetrics(w)
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}
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return stream, err
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return nil
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}
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func (w *wrapper) Publish(ctx context.Context, p client.Message, opts ...client.PublishOption) error {
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endpoint := p.Topic()
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wlabels := append(w.labels, fmt.Sprintf(`%sendpoint="%s"`, DefaultLabelPrefix, endpoint))
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timeCounterSummary := metrics.GetOrCreateSummary(getName("publish_message_latency_microseconds", wlabels))
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timeCounterHistogram := metrics.GetOrCreateSummary(getName("publish_message_duration_seconds", wlabels))
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ts := time.Now()
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err := w.Client.Publish(ctx, p, opts...)
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te := time.Since(ts)
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timeCounterSummary.Update(float64(te.Seconds()))
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timeCounterHistogram.Update(te.Seconds())
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if err == nil {
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metrics.GetOrCreateCounter(getName("publish_message_total", append(wlabels, fmt.Sprintf(`%sstatus="success"`, DefaultLabelPrefix)))).Inc()
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} else {
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metrics.GetOrCreateCounter(getName("publish_message_total", append(wlabels, fmt.Sprintf(`%sstatus="failure"`, DefaultLabelPrefix)))).Inc()
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}
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return err
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func (r *victoriametricsMeter) Options() meter.Options {
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return r.opts
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}
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func NewHandlerWrapper(opts ...Option) server.HandlerWrapper {
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labels := getLabels(opts...)
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handler := &wrapper{
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labels: labels,
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}
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return handler.HandlerFunc
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}
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func (w *wrapper) HandlerFunc(fn server.HandlerFunc) server.HandlerFunc {
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return func(ctx context.Context, req server.Request, rsp interface{}) error {
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endpoint := req.Endpoint()
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wlabels := append(w.labels, fmt.Sprintf(`%sendpoint="%s"`, DefaultLabelPrefix, endpoint))
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timeCounterSummary := metrics.GetOrCreateSummary(getName("server_request_latency_microseconds", wlabels))
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timeCounterHistogram := metrics.GetOrCreateSummary(getName("server_request_duration_seconds", wlabels))
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ts := time.Now()
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err := fn(ctx, req, rsp)
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te := time.Since(ts)
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timeCounterSummary.Update(float64(te.Seconds()))
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timeCounterHistogram.Update(te.Seconds())
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if err == nil {
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metrics.GetOrCreateCounter(getName("server_request_total", append(wlabels, fmt.Sprintf(`%sstatus="success"`, DefaultLabelPrefix)))).Inc()
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} else {
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metrics.GetOrCreateCounter(getName("server_request_total", append(wlabels, fmt.Sprintf(`%sstatus="failure"`, DefaultLabelPrefix)))).Inc()
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}
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return err
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}
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}
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func NewSubscriberWrapper(opts ...Option) server.SubscriberWrapper {
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labels := getLabels(opts...)
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handler := &wrapper{
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labels: labels,
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}
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return handler.SubscriberFunc
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}
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func (w *wrapper) SubscriberFunc(fn server.SubscriberFunc) server.SubscriberFunc {
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return func(ctx context.Context, msg server.Message) error {
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endpoint := msg.Topic()
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wlabels := append(w.labels, fmt.Sprintf(`%sendpoint="%s"`, DefaultLabelPrefix, endpoint))
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timeCounterSummary := metrics.GetOrCreateSummary(getName("subscribe_message_latency_microseconds", wlabels))
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timeCounterHistogram := metrics.GetOrCreateSummary(getName("subscribe_message_duration_seconds", wlabels))
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ts := time.Now()
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err := fn(ctx, msg)
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te := time.Since(ts)
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timeCounterSummary.Update(float64(te.Seconds()))
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timeCounterHistogram.Update(te.Seconds())
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if err == nil {
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metrics.GetOrCreateCounter(getName("subscribe_message_total", append(wlabels, fmt.Sprintf(`%sstatus="success"`, DefaultLabelPrefix)))).Inc()
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} else {
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metrics.GetOrCreateCounter(getName("subscribe_message_total", append(wlabels, fmt.Sprintf(`%sstatus="failure"`, DefaultLabelPrefix)))).Inc()
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}
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return err
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}
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func (r *victoriametricsMeter) String() string {
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return "victoriametrics"
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}
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