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minio/cmd/admin-server-info.go

183 lines
5.0 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/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 only the
// local endpoints from given list of endpoints
func getLocalMemUsage(endpoints EndpointList, r *http.Request) ServerMemUsageInfo {
var memUsages []mem.Usage
var historicUsages []mem.Usage
seenHosts := set.NewStringSet()
for _, endpoint := range 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(endpoints)
}
return ServerMemUsageInfo{
Addr: addr,
Usage: memUsages,
HistoricUsage: historicUsages,
}
}
// getLocalCPULoad - returns ServerCPULoadInfo for only the
// local endpoints from given list of endpoints
func getLocalCPULoad(endpoints EndpointList, r *http.Request) ServerCPULoadInfo {
var cpuLoads []cpu.Load
var historicLoads []cpu.Load
seenHosts := set.NewStringSet()
for _, endpoint := range 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(endpoints)
}
return ServerCPULoadInfo{
Addr: addr,
Load: cpuLoads,
HistoricLoad: historicLoads,
}
}
// getLocalDrivesPerf - returns ServerDrivesPerfInfo for only the
// local endpoints from given list of endpoints
func getLocalDrivesPerf(endpoints EndpointList, size int64, r *http.Request) madmin.ServerDrivesPerfInfo {
var dps []disk.Performance
for _, endpoint := range 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(endpoints)
}
return madmin.ServerDrivesPerfInfo{
Addr: addr,
Perf: dps,
Size: size,
}
}
// getLocalCPUInfo - returns ServerCPUHardwareInfo only for the
// local endpoints from given list of endpoints
func getLocalCPUInfo(endpoints EndpointList, r *http.Request) madmin.ServerCPUHardwareInfo {
var cpuHardwares []cpuhw.InfoStat
seenHosts := set.NewStringSet()
for _, endpoint := range 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(endpoints)
}
return madmin.ServerCPUHardwareInfo{
Addr: addr,
CPUInfo: cpuHardwares,
}
}
// getLocalNetworkInfo - returns ServerNetworkHardwareInfo only for the
// local endpoints from given list of endpoints
func getLocalNetworkInfo(endpoints EndpointList, r *http.Request) madmin.ServerNetworkHardwareInfo {
var networkHardwares []net.Interface
seenHosts := set.NewStringSet()
for _, endpoint := range 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(endpoints)
}
return madmin.ServerNetworkHardwareInfo{
Addr: addr,
NetworkInfo: networkHardwares,
}
}