Expose http.Client override to global configuration

Author: jqueuniet

api.go

@@ -22,6 +22,7 @@ type Config struct {
 	ProfileTypes      []ProfileType
 	DisableGCRuns     bool // this will disable automatic runtime.GC runs between getting the heap profiles
 	HTTPHeaders       map[string]string
+	HTTPClient        remote.HTTPClient
 
 	// Deprecated: the field will be removed in future releases.
 	// Use BasicAuthUser and BasicAuthPassword instead.
@@ -63,6 +64,7 @@ func Start(cfg Config) (*Profiler, error) {
 		BasicAuthUser:     cfg.BasicAuthUser,
 		BasicAuthPassword: cfg.BasicAuthPassword,
 		HTTPHeaders:       cfg.HTTPHeaders,
+		HTTPClient:        cfg.HTTPClient,
 		Address:           cfg.ServerAddress,
 		Threads:           5, // per each profile type upload
 		Timeout:           30 * time.Second,