feat: metrics: do not log oauth callback

internal/web/metrics/middleware.go

@@ -13,6 +13,10 @@ func (s *service) SetLogPaths(paths []string) {
 	s.logPaths = paths
 }
 
+func (s *service) SetIgnorePaths(paths []string) {
+	s.ignorePaths = paths
+}
+
 func (s *service) Handler() gin.HandlerFunc {
 	return func(c *gin.Context) {
 		url := c.Request.URL.String()
@@ -23,6 +27,11 @@ func (s *service) Handler() gin.HandlerFunc {
 			return
 		}
 
+		if utils.Contains(s.ignorePaths, func(path string) bool { return strings.HasPrefix(url, path) }) {
+			c.Next()
+			return
+		}
+
 		start := time.Now()
 		c.Next()
 		elapsed := float64(time.Since(start)) / float64(time.Millisecond)

internal/web/metrics/prometheus.go

@@ -14,6 +14,7 @@ var _ Service = (*service)(nil)
 type Service interface {
 	Record(method, url string, success bool, httpCode int, errCode e.Status, elapsed float64)
 	SetLogPaths(paths []string)
+	SetIgnorePaths(paths []string)
 	Handler() gin.HandlerFunc
 	HealthCheck() error
 }
@@ -34,7 +35,8 @@ type service struct {
 	counter *prometheus.CounterVec
 	hist    *prometheus.HistogramVec
 
-	logPaths []string
+	logPaths    []string
+	ignorePaths []string
 }
 
 func (s *service) HealthCheck() error {

internal/web/router/router.go

@@ -98,6 +98,7 @@ func (s *service) initRouters(conf *model.Config, injector *do.Injector) *gin.En
 
 	// Prometheus middleware
 	s.metric.SetLogPaths([]string{"/api"})
+	s.metric.SetIgnorePaths([]string{"/api/v1/oauth/callback"})
 	r.Use(s.metric.Handler())
 
 	// +------+