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minio/cmd/admin-server-info.go

249 lines
6.7 KiB

/*
* MinIO Cloud Storage, (C) 2019 MinIO, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package cmd
import (
"net"
"net/http"
"os"
"github.com/minio/minio-go/v6/pkg/set"
"github.com/minio/minio/pkg/cpu"
"github.com/minio/minio/pkg/disk"
"github.com/minio/minio/pkg/madmin"
"github.com/minio/minio/pkg/mem"
cpuhw "github.com/shirou/gopsutil/cpu"
)
// getLocalMemUsage - returns ServerMemUsageInfo for all zones, endpoints.
func getLocalMemUsage(endpointZones EndpointZones, r *http.Request) ServerMemUsageInfo {
var memUsages []mem.Usage
var historicUsages []mem.Usage
seenHosts := set.NewStringSet()
for _, ep := range endpointZones {
for _, endpoint := range ep.Endpoints {
if seenHosts.Contains(endpoint.Host) {
continue
}
seenHosts.Add(endpoint.Host)
// Only proceed for local endpoints
if endpoint.IsLocal {
memUsages = append(memUsages, mem.GetUsage())
historicUsages = append(historicUsages, mem.GetHistoricUsage())
}
}
}
addr := r.Host
if globalIsDistXL {
addr = GetLocalPeer(endpointZones)
}
return ServerMemUsageInfo{
Addr: addr,
Usage: memUsages,
HistoricUsage: historicUsages,
}
}
// getLocalCPULoad - returns ServerCPULoadInfo for all zones, endpoints.
func getLocalCPULoad(endpointZones EndpointZones, r *http.Request) ServerCPULoadInfo {
var cpuLoads []cpu.Load
var historicLoads []cpu.Load
seenHosts := set.NewStringSet()
for _, ep := range endpointZones {
for _, endpoint := range ep.Endpoints {
if seenHosts.Contains(endpoint.Host) {
continue
}
seenHosts.Add(endpoint.Host)
// Only proceed for local endpoints
if endpoint.IsLocal {
cpuLoads = append(cpuLoads, cpu.GetLoad())
historicLoads = append(historicLoads, cpu.GetHistoricLoad())
}
}
}
addr := r.Host
if globalIsDistXL {
addr = GetLocalPeer(endpointZones)
}
return ServerCPULoadInfo{
Addr: addr,
Load: cpuLoads,
HistoricLoad: historicLoads,
}
}
// getLocalDrivesPerf - returns ServerDrivesPerfInfo for all zones, endpoints.
func getLocalDrivesPerf(endpointZones EndpointZones, size int64, r *http.Request) madmin.ServerDrivesPerfInfo {
var dps []disk.Performance
for _, ep := range endpointZones {
for _, endpoint := range ep.Endpoints {
// Only proceed for local endpoints
if endpoint.IsLocal {
if _, err := os.Stat(endpoint.Path); err != nil {
// Since this drive is not available, add relevant details and proceed
dps = append(dps, disk.Performance{Path: endpoint.Path, Error: err.Error()})
continue
}
dp := disk.GetPerformance(pathJoin(endpoint.Path, minioMetaTmpBucket, mustGetUUID()), size)
dp.Path = endpoint.Path
dps = append(dps, dp)
}
}
}
addr := r.Host
if globalIsDistXL {
addr = GetLocalPeer(endpointZones)
}
return madmin.ServerDrivesPerfInfo{
Addr: addr,
Perf: dps,
}
}
// getLocalCPUInfo - returns ServerCPUHardwareInfo for all zones, endpoints.
func getLocalCPUInfo(endpointZones EndpointZones, r *http.Request) madmin.ServerCPUHardwareInfo {
var cpuHardwares []cpuhw.InfoStat
seenHosts := set.NewStringSet()
for _, ep := range endpointZones {
for _, endpoint := range ep.Endpoints {
if seenHosts.Contains(endpoint.Host) {
continue
}
// Add to the list of visited hosts
seenHosts.Add(endpoint.Host)
// Only proceed for local endpoints
if endpoint.IsLocal {
cpuHardware, err := cpuhw.Info()
if err != nil {
return madmin.ServerCPUHardwareInfo{
Error: err.Error(),
}
}
cpuHardwares = append(cpuHardwares, cpuHardware...)
}
}
}
addr := r.Host
if globalIsDistXL {
addr = GetLocalPeer(endpointZones)
}
return madmin.ServerCPUHardwareInfo{
Addr: addr,
CPUInfo: cpuHardwares,
}
}
// getLocalNetworkInfo - returns ServerNetworkHardwareInfo for all zones, endpoints.
func getLocalNetworkInfo(endpointZones EndpointZones, r *http.Request) madmin.ServerNetworkHardwareInfo {
var networkHardwares []net.Interface
seenHosts := set.NewStringSet()
for _, ep := range endpointZones {
for _, endpoint := range ep.Endpoints {
if seenHosts.Contains(endpoint.Host) {
continue
}
// Add to the list of visited hosts
seenHosts.Add(endpoint.Host)
// Only proceed for local endpoints
if endpoint.IsLocal {
networkHardware, err := net.Interfaces()
if err != nil {
return madmin.ServerNetworkHardwareInfo{
Error: err.Error(),
}
}
networkHardwares = append(networkHardwares, networkHardware...)
}
}
}
addr := r.Host
if globalIsDistXL {
addr = GetLocalPeer(endpointZones)
}
return madmin.ServerNetworkHardwareInfo{
Addr: addr,
NetworkInfo: networkHardwares,
}
}
// getLocalServerProperty - returns ServerDrivesPerfInfo for only the
// local endpoints from given list of endpoints
func getLocalServerProperty(endpointZones EndpointZones, r *http.Request) madmin.ServerProperties {
var disks []madmin.Disk
addr := r.Host
if globalIsDistXL {
addr = GetLocalPeer(endpointZones)
}
network := make(map[string]string)
for _, ep := range endpointZones {
for _, endpoint := range ep.Endpoints {
nodeName := endpoint.Host
if nodeName == "" {
nodeName = r.Host
}
if endpoint.IsLocal {
// Only proceed for local endpoints
network[nodeName] = "online"
var di = madmin.Disk{
DrivePath: endpoint.Path,
}
diInfo, err := disk.GetInfo(endpoint.Path)
if err != nil {
if os.IsNotExist(err) || isSysErrPathNotFound(err) {
di.State = madmin.DriveStateMissing
} else {
di.State = madmin.DriveStateCorrupt
}
} else {
di.State = madmin.DriveStateOk
di.DrivePath = endpoint.Path
di.TotalSpace = diInfo.Total
di.UsedSpace = diInfo.Total - diInfo.Free
di.Utilization = float64((diInfo.Total - diInfo.Free) / diInfo.Total * 100)
}
disks = append(disks, di)
} else {
_, present := network[nodeName]
if !present {
err := IsServerResolvable(endpoint)
if err == nil {
network[nodeName] = "online"
} else {
network[nodeName] = "offline"
}
}
}
}
}
return madmin.ServerProperties{
State: "ok",
Endpoint: addr,
Uptime: UTCNow().Unix() - globalBootTime.Unix(),
Version: Version,
CommitID: CommitID,
Network: network,
Disks: disks,
}
}