forked from 99designs/gqlgen
-
Notifications
You must be signed in to change notification settings - Fork 0
/
server.go
74 lines (62 loc) · 1.92 KB
/
server.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
package main
import (
"log"
"net/http"
"net/url"
"time"
"github.com/99designs/gqlgen/example/dataloader"
"github.com/99designs/gqlgen/handler"
gqlopentracing "github.com/99designs/gqlgen/opentracing"
"github.com/go-chi/chi"
"github.com/opentracing-contrib/go-stdlib/nethttp"
"github.com/opentracing/opentracing-go"
"sourcegraph.com/sourcegraph/appdash"
appdashtracer "sourcegraph.com/sourcegraph/appdash/opentracing"
"sourcegraph.com/sourcegraph/appdash/traceapp"
)
func main() {
tracer := startAppdashServer()
router := chi.NewRouter()
router.Use(Opentracing(tracer))
router.Use(dataloader.LoaderMiddleware)
router.Handle("/", handler.Playground("Dataloader", "/query"))
router.Handle("/query", handler.GraphQL(
dataloader.NewExecutableSchema(dataloader.Config{Resolvers: &dataloader.Resolver{}}),
handler.ResolverMiddleware(gqlopentracing.ResolverMiddleware()),
handler.RequestMiddleware(gqlopentracing.RequestMiddleware()),
))
log.Println("connect to http://localhost:8082/ for graphql playground")
log.Fatal(http.ListenAndServe(":8082", router))
}
func Opentracing(tracer opentracing.Tracer) func(next http.Handler) http.Handler {
return func(next http.Handler) http.Handler {
return nethttp.Middleware(tracer, next)
}
}
func startAppdashServer() opentracing.Tracer {
memStore := appdash.NewMemoryStore()
store := &appdash.RecentStore{
MinEvictAge: 5 * time.Minute,
DeleteStore: memStore,
}
url, err := url.Parse("http://localhost:8700")
if err != nil {
log.Fatal(err)
}
tapp, err := traceapp.New(nil, url)
if err != nil {
log.Fatal(err)
}
tapp.Store = store
tapp.Queryer = memStore
go func() {
log.Fatal(http.ListenAndServe(":8700", tapp))
}()
tapp.Store = store
tapp.Queryer = memStore
collector := appdash.NewLocalCollector(store)
tracer := appdashtracer.NewTracer(collector)
opentracing.InitGlobalTracer(tracer)
log.Println("Appdash web UI running on HTTP :8700")
return tracer
}