67 lines
1.4 KiB
Go
67 lines
1.4 KiB
Go
package metric
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import (
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"context"
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"github.com/anytypeio/any-sync/app"
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"github.com/prometheus/client_golang/prometheus"
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"github.com/prometheus/client_golang/prometheus/collectors"
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"github.com/prometheus/client_golang/prometheus/promhttp"
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"net/http"
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"time"
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)
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const CName = "common.metric"
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func New() Metric {
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return new(metric)
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}
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type Metric interface {
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Registry() *prometheus.Registry
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app.ComponentRunnable
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}
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type metric struct {
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registry *prometheus.Registry
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config Config
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}
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func (m *metric) Init(a *app.App) (err error) {
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m.registry = prometheus.NewRegistry()
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m.config = a.MustComponent("config").(configSource).GetMetric()
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return nil
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}
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func (m *metric) Name() string {
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return CName
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}
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func (m *metric) Run(ctx context.Context) (err error) {
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if err = m.registry.Register(collectors.NewBuildInfoCollector()); err != nil {
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return err
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}
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if err = m.registry.Register(collectors.NewGoCollector()); err != nil {
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return err
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}
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if m.config.Addr != "" {
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var errCh = make(chan error)
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http.Handle("/metrics", promhttp.HandlerFor(m.registry, promhttp.HandlerOpts{}))
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go func() {
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errCh <- http.ListenAndServe(m.config.Addr, nil)
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}()
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select {
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case err = <-errCh:
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case <-time.After(time.Second / 5):
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}
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}
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return
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}
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func (m *metric) Registry() *prometheus.Registry {
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return m.registry
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}
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func (m *metric) Close(ctx context.Context) (err error) {
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return
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}
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