// Copyright (c) 2015-2021 MinIO, Inc.//// This file is part of MinIO Object Storage stack//// This program is free software: you can redistribute it and/or modify// it under the terms of the GNU Affero General Public License as published by// the Free Software Foundation, either version 3 of the License, or// (at your option) any later version.//// This program is distributed in the hope that it will be useful// but WITHOUT ANY WARRANTY; without even the implied warranty of// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the// GNU Affero General Public License for more details.//// You should have received a copy of the GNU Affero General Public License// along with this program.  If not, see <http://www.gnu.org/licenses/>. package cmd import (	"context"	"net/http"	"runtime"	"time" 	"github.com/minio/madmin-go"	"github.com/minio/minio/internal/logger") // getLocalServerProperty - returns madmin.ServerProperties for only the// local endpoints from given list of endpointsfunc getLocalServerProperty(endpointServerPools EndpointServerPools, r *http.Request) madmin.ServerProperties {	var localEndpoints Endpoints	addr := globalLocalNodeName	if r != nil {		addr = r.Host	}	if globalIsDistErasure {		addr = globalLocalNodeName	}	network := make(map[string]string)	for _, ep := range endpointServerPools {		for _, endpoint := range ep.Endpoints {			nodeName := endpoint.Host			if nodeName == "" {				nodeName = addr			}			if endpoint.IsLocal {				// Only proceed for local endpoints				network[nodeName] = string(madmin.ItemOnline)				localEndpoints = append(localEndpoints, endpoint)				continue			}			_, present := network[nodeName]			if !present {				if err := isServerResolvable(endpoint, 5*time.Second); err == nil {					network[nodeName] = string(madmin.ItemOnline)				} else {					network[nodeName] = string(madmin.ItemOffline)					// log once the error					logger.LogOnceIf(context.Background(), err, nodeName)				}			}		}	} 	var memstats runtime.MemStats	runtime.ReadMemStats(&memstats) 	props := madmin.ServerProperties{		State:    string(madmin.ItemInitializing),		Endpoint: addr,		Uptime:   UTCNow().Unix() - globalBootTime.Unix(),		Version:  Version,		CommitID: CommitID,		Network:  network,		MemStats: madmin.MemStats{			Alloc:      memstats.Alloc,			TotalAlloc: memstats.TotalAlloc,			Mallocs:    memstats.Mallocs,			Frees:      memstats.Frees,			HeapAlloc:  memstats.HeapAlloc,		},	} 	objLayer := newObjectLayerFn()	if objLayer != nil && !globalIsGateway {		// only need Disks information in server mode.		storageInfo, _ := objLayer.LocalStorageInfo(GlobalContext)		props.State = string(madmin.ItemOnline)		props.Disks = storageInfo.Disks	} 	return props}