Files
go-admin/tools/trace/trace.go
T

83 lines
2.2 KiB
Go

package trace
import (
"context"
"fmt"
"log"
"net"
"net/http"
"net/url"
"os"
"os/signal"
"github.com/opentracing/opentracing-go"
"sourcegraph.com/sourcegraph/appdash"
appdashot "sourcegraph.com/sourcegraph/appdash/opentracing"
"sourcegraph.com/sourcegraph/appdash/traceapp"
"go-admin/tools"
)
var _server = &http.Server{}
// Start 启动
func Start() {
store := appdash.NewMemoryStore()
// Listen on any available TCP port locally.
l, err := net.ListenTCP("tcp", &net.TCPAddr{IP: net.IPv4(127, 0, 0, 1), Port: 0})
if err != nil {
log.Fatal(err)
}
collectorPort := l.Addr().(*net.TCPAddr).Port
collectorAdd := fmt.Sprintf(":%d", collectorPort)
// Start an Appdash collection server that will listen for spans and
// annotations and add them to the local collector (stored in-memory).
cs := appdash.NewServer(l, appdash.NewLocalCollector(store))
go cs.Start()
// Print the URL at which the web UI will be running.
appdashPort := 8700
appdashURLStr := fmt.Sprintf("http://%s:%d", tools.GetLocaHonst(), appdashPort)
appdashURL, err := url.Parse(appdashURLStr)
if err != nil {
log.Fatalf("Error parsing %s: %s", appdashURLStr, err)
}
// Start the web UI in a separate goroutine.
tapp, err := traceapp.New(nil, appdashURL)
if err != nil {
log.Fatal(err)
}
tapp.Store = store
tapp.Queryer = store
_server.Addr = fmt.Sprintf(":%d", appdashPort)
_server.Handler = tapp
go func() {
err := _server.ListenAndServe()
if err != nil {
log.Fatalf("Trace server start error: %s", err.Error())
}
}()
fmt.Println(tools.Green("Trace server run at:"))
fmt.Printf("- Local: %s/traces\n", fmt.Sprintf("http://localhost:%d", appdashPort))
fmt.Printf("- Network: %s/traces\n", fmt.Sprintf("http://%s:%d", tools.GetLocaHonst(), appdashPort))
tracer := appdashot.NewTracer(appdash.NewRemoteCollector(collectorAdd))
opentracing.InitGlobalTracer(tracer)
}
// Stop 停止
func Stop(ctx context.Context) {
quit := make(chan os.Signal)
signal.Notify(quit, os.Interrupt)
<-quit
fmt.Printf("%s Shutdown Server ... \r\n", tools.GetCurrentTimeStr())
err := _server.Shutdown(ctx)
if err != nil {
log.Fatalf("Trace server shutdown error: %s", err.Error())
}
log.Println("Trace server shutdown success")
}