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upgrade chi to v5, prometheus to latest, fix rctx type panic #11

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10 changes: 3 additions & 7 deletions example/main.go
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Original file line number Diff line number Diff line change
Expand Up @@ -6,21 +6,17 @@ import (
"net/http"
"time"

"github.com/go-chi/chi"

"github.com/766b/chi-prometheus"
"github.com/prometheus/client_golang/prometheus"
chiprometheus "github.com/766b/chi-prometheus"
"github.com/prometheus/client_golang/prometheus/promhttp"
)

func main() {
n := chi.NewRouter()
m := chiprometheus.NewMiddleware("serviceName")
// if you want to use other buckets than the default (300, 1200, 5000) you can run:
// m := negroniprometheus.NewMiddleware("serviceName", 400, 1600, 700)

n.Use(m)

n.Handle("/metrics", prometheus.Handler())
n.Handle("/metrics", promhttp.Handler())
n.Get("/ok", func(w http.ResponseWriter, r *http.Request) {
sleep := rand.Intn(4999) + 1
time.Sleep(time.Duration(sleep) * time.Millisecond)
Expand Down
9 changes: 6 additions & 3 deletions middleware.go
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Original file line number Diff line number Diff line change
@@ -1,13 +1,12 @@
// Port https://github.com/zbindenren/negroni-prometheus for chi router
package chiprometheus

import (
"net/http"
"strings"
"time"

"github.com/go-chi/chi"
"github.com/go-chi/chi/middleware"
"github.com/go-chi/chi/v5"
"github.com/go-chi/chi/v5/middleware"
"github.com/prometheus/client_golang/prometheus"
)

Expand Down Expand Up @@ -104,6 +103,10 @@ func (c Middleware) patternHandler(next http.Handler) http.Handler {
next.ServeHTTP(ww, r)

rctx := chi.RouteContext(r.Context())
if rctx == nil {
// avoid nil panic
return
}
routePattern := strings.Join(rctx.RoutePatterns, "")
routePattern = strings.Replace(routePattern, "/*/", "/", -1)

Expand Down
10 changes: 5 additions & 5 deletions middleware_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -7,8 +7,8 @@ import (
"strings"
"testing"

"github.com/go-chi/chi"
"github.com/prometheus/client_golang/prometheus"
"github.com/go-chi/chi/v5"
"github.com/prometheus/client_golang/prometheus/promhttp"
)

func Test_Logger(t *testing.T) {
Expand All @@ -18,7 +18,7 @@ func Test_Logger(t *testing.T) {
m := NewMiddleware("test")
n.Use(m)

n.Handle("/metrics", prometheus.Handler())
n.Handle("/metrics", promhttp.Handler())
n.Get(`/ok`, func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusOK)
fmt.Fprintln(w, "ok")
Expand Down Expand Up @@ -80,7 +80,7 @@ func Test_PatternLogger(t *testing.T) {
m := NewPatternMiddleware("patternOnlyTest")
n.Use(m)

n.Handle("/metrics", prometheus.Handler())
n.Handle("/metrics", promhttp.Handler())
n.Get(`/ok`, func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusOK)
fmt.Fprintln(w, "ok")
Expand Down Expand Up @@ -151,7 +151,7 @@ func Test_MultipleLoggers(t *testing.T) {
n.Use(mid)
n.Use(m)

n.Handle("/metrics", prometheus.Handler())
n.Handle("/metrics", promhttp.Handler())
n.Get(`/ok`, func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusOK)
fmt.Fprintln(w, "ok")
Expand Down
7 changes: 3 additions & 4 deletions pattern_example/main.go
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Original file line number Diff line number Diff line change
Expand Up @@ -6,9 +6,8 @@ import (
"net/http"
"time"

"github.com/edjumacator/chi-prometheus"
"github.com/go-chi/chi"
"github.com/prometheus/client_golang/prometheus"
chiprometheus "github.com/766b/chi-prometheus"
"github.com/prometheus/client_golang/prometheus/promhttp"
)

func main() {
Expand All @@ -17,7 +16,7 @@ func main() {

n.Use(m)

n.Handle("/metrics", prometheus.Handler())
n.Handle("/metrics", promhttp.Handler())
n.Get("/ok", func(w http.ResponseWriter, r *http.Request) {
sleep := rand.Intn(4999) + 1
time.Sleep(time.Duration(sleep) * time.Millisecond)
Expand Down