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go-zero/core/prometheus/agent.go

32 lines
534 B
Go

package prometheus
import (
"fmt"
"net/http"
"sync"
"zero/core/logx"
"zero/core/threading"
"github.com/prometheus/client_golang/prometheus/promhttp"
)
var once sync.Once
func StartAgent(c Config) {
once.Do(func() {
if len(c.Host) == 0 {
return
}
threading.GoSafe(func() {
http.Handle(c.Path, promhttp.Handler())
addr := fmt.Sprintf("%s:%d", c.Host, c.Port)
logx.Infof("Starting prometheus agent at %s", addr)
if err := http.ListenAndServe(addr, nil); err != nil {
logx.Error(err)
}
})
})
}