diff --git a/docs/handlers/app.go b/docs/handlers/app.go index 0863732c5..fac93382f 100644 --- a/docs/handlers/app.go +++ b/docs/handlers/app.go @@ -272,13 +272,18 @@ func (app *App) configureRedis(configuration *configuration.Configuration) { app.redis = pool - expvar.Publish("redis", expvar.Func(func() interface{} { + // setup expvar + registry := expvar.Get("registry") + if registry == nil { + registry = expvar.NewMap("registry") + } + + registry.(*expvar.Map).Set("redis", expvar.Func(func() interface{} { return map[string]interface{}{ "Config": configuration.Redis, "Active": app.redis.ActiveCount(), } })) - } func (app *App) ServeHTTP(w http.ResponseWriter, r *http.Request) { diff --git a/docs/storage/layercache.go b/docs/storage/layercache.go index c7ee9b27a..b9732f203 100644 --- a/docs/storage/layercache.go +++ b/docs/storage/layercache.go @@ -174,7 +174,26 @@ var layerInfoCacheMetrics struct { } func init() { - expvar.Publish("layerinfocache", expvar.Func(func() interface{} { + registry := expvar.Get("registry") + if registry == nil { + registry = expvar.NewMap("registry") + } + + cache := registry.(*expvar.Map).Get("cache") + if cache == nil { + cache = &expvar.Map{} + cache.(*expvar.Map).Init() + registry.(*expvar.Map).Set("cache", cache) + } + + storage := cache.(*expvar.Map).Get("storage") + if storage == nil { + storage = &expvar.Map{} + storage.(*expvar.Map).Init() + cache.(*expvar.Map).Set("storage", storage) + } + + storage.(*expvar.Map).Set("layerinfo", expvar.Func(func() interface{} { // no need for synchronous access: the increments are atomic and // during reading, we don't care if the data is up to date. The // numbers will always *eventually* be reported correctly.