/* * MinIO Cloud Storage, (C) 2020 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 madmin import ( "context" "encoding/json" "io" "net/http" "net/url" "time" "github.com/minio/minio/pkg/disk" "github.com/minio/minio/pkg/net" "github.com/shirou/gopsutil/cpu" "github.com/shirou/gopsutil/host" "github.com/shirou/gopsutil/mem" nethw "github.com/shirou/gopsutil/net" "github.com/shirou/gopsutil/process" ) // HealthInfo - MinIO cluster's health Info type HealthInfo struct { TimeStamp time.Time `json:"timestamp,omitempty"` Error string `json:"error,omitempty"` Perf PerfInfo `json:"perf,omitempty"` Minio MinioHealthInfo `json:"minio,omitempty"` Sys SysHealthInfo `json:"sys,omitempty"` } // SysHealthInfo - Includes hardware and system information of the MinIO cluster type SysHealthInfo struct { CPUInfo []ServerCPUInfo `json:"cpus,omitempty"` DiskHwInfo []ServerDiskHwInfo `json:"drives,omitempty"` OsInfo []ServerOsInfo `json:"osinfos,omitempty"` MemInfo []ServerMemInfo `json:"meminfos,omitempty"` ProcInfo []ServerProcInfo `json:"procinfos,omitempty"` Error string `json:"error,omitempty"` } // ServerProcInfo - Includes host process lvl information type ServerProcInfo struct { Addr string `json:"addr"` Processes []SysProcess `json:"processes,omitempty"` Error string `json:"error,omitempty"` } // SysProcess - Includes process lvl information about a single process type SysProcess struct { Pid int32 `json:"pid"` Background bool `json:"background,omitempty"` CPUPercent float64 `json:"cpupercent,omitempty"` Children []int32 `json:"children,omitempty"` CmdLine string `json:"cmd,omitempty"` Connections []nethw.ConnectionStat `json:"connections,omitempty"` CreateTime int64 `json:"createtime,omitempty"` Cwd string `json:"cwd,omitempty"` Exe string `json:"exe,omitempty"` Gids []int32 `json:"gids,omitempty"` IOCounters *process.IOCountersStat `json:"iocounters,omitempty"` IsRunning bool `json:"isrunning,omitempty"` MemInfo *process.MemoryInfoStat `json:"meminfo,omitempty"` MemMaps *[]process.MemoryMapsStat `json:"memmaps,omitempty"` MemPercent float32 `json:"mempercent,omitempty"` Name string `json:"name,omitempty"` NetIOCounters []nethw.IOCountersStat `json:"netiocounters,omitempty"` Nice int32 `json:"nice,omitempty"` NumCtxSwitches *process.NumCtxSwitchesStat `json:"numctxswitches,omitempty"` NumFds int32 `json:"numfds,omitempty"` NumThreads int32 `json:"numthreads,omitempty"` PageFaults *process.PageFaultsStat `json:"pagefaults,omitempty"` Parent int32 `json:"parent,omitempty"` Ppid int32 `json:"ppid,omitempty"` Rlimit []process.RlimitStat `json:"rlimit,omitempty"` Status string `json:"status,omitempty"` Tgid int32 `json:"tgid,omitempty"` Times *cpu.TimesStat `json:"cputimes,omitempty"` Uids []int32 `json:"uids,omitempty"` Username string `json:"username,omitempty"` } // ServerMemInfo - Includes host virtual and swap mem information type ServerMemInfo struct { Addr string `json:"addr"` SwapMem *mem.SwapMemoryStat `json:"swap,omitempty"` VirtualMem *mem.VirtualMemoryStat `json:"virtualmem,omitempty"` Error string `json:"error,omitempty"` } // ServerOsInfo - Includes host os information type ServerOsInfo struct { Addr string `json:"addr"` Info *host.InfoStat `json:"info,omitempty"` Sensors []host.TemperatureStat `json:"sensors,omitempty"` Users []host.UserStat `json:"users,omitempty"` Error string `json:"error,omitempty"` } // ServerCPUInfo - Includes cpu and timer stats of each node of the MinIO cluster type ServerCPUInfo struct { Addr string `json:"addr"` CPUStat []cpu.InfoStat `json:"cpu,omitempty"` TimeStat []cpu.TimesStat `json:"time,omitempty"` Error string `json:"error,omitempty"` } // MinioHealthInfo - Includes MinIO confifuration information type MinioHealthInfo struct { Info InfoMessage `json:"info,omitempty"` Config interface{} `json:"config,omitempty"` Error string `json:"error,omitempty"` } // PerfInfo - Includes Drive and Net perf info for the entire MinIO cluster type PerfInfo struct { DriveInfo []ServerDrivesInfo `json:"drives,omitempty"` Net []ServerNetHealthInfo `json:"net,omitempty"` NetParallel ServerNetHealthInfo `json:"net_parallel,omitempty"` Error string `json:"error,omitempty"` } // ServerDrivesInfo - Drive info about all drives in a single MinIO node type ServerDrivesInfo struct { Addr string `json:"addr"` Serial []DrivePerfInfo `json:"serial,omitempty"` Parallel []DrivePerfInfo `json:"parallel,omitempty"` Error string `json:"error,omitempty"` } // DrivePerfInfo - Stats about a single drive in a MinIO node type DrivePerfInfo struct { Path string `json:"endpoint"` Latency disk.Latency `json:"latency,omitempty"` Throughput disk.Throughput `json:"throughput,omitempty"` Error string `json:"error,omitempty"` } // ServerNetHealthInfo - Network health info about a single MinIO node type ServerNetHealthInfo struct { Addr string `json:"addr"` Net []NetPerfInfo `json:"net,omitempty"` Error string `json:"error,omitempty"` } // NetPerfInfo - one-to-one network connectivity Stats between 2 MinIO nodes type NetPerfInfo struct { Addr string `json:"remote"` Latency net.Latency `json:"latency,omitempty"` Throughput net.Throughput `json:"throughput,omitempty"` Error string `json:"error,omitempty"` } // HealthDataType - Typed Health data types type HealthDataType string // HealthDataTypes const ( HealthDataTypePerfDrive HealthDataType = "perfdrive" HealthDataTypePerfNet HealthDataType = "perfnet" HealthDataTypeMinioInfo HealthDataType = "minioinfo" HealthDataTypeMinioConfig HealthDataType = "minioconfig" HealthDataTypeSysCPU HealthDataType = "syscpu" HealthDataTypeSysDiskHw HealthDataType = "sysdiskhw" HealthDataTypeSysDocker HealthDataType = "sysdocker" // is this really needed? HealthDataTypeSysOsInfo HealthDataType = "sysosinfo" HealthDataTypeSysLoad HealthDataType = "sysload" // provides very little info. Making it TBD HealthDataTypeSysMem HealthDataType = "sysmem" HealthDataTypeSysNet HealthDataType = "sysnet" HealthDataTypeSysProcess HealthDataType = "sysprocess" ) // HealthDataTypesMap - Map of Health datatypes var HealthDataTypesMap = map[string]HealthDataType{ "perfdrive": HealthDataTypePerfDrive, "perfnet": HealthDataTypePerfNet, "minioinfo": HealthDataTypeMinioInfo, "minioconfig": HealthDataTypeMinioConfig, "syscpu": HealthDataTypeSysCPU, "sysdiskhw": HealthDataTypeSysDiskHw, "sysdocker": HealthDataTypeSysDocker, "sysosinfo": HealthDataTypeSysOsInfo, "sysload": HealthDataTypeSysLoad, "sysmem": HealthDataTypeSysMem, "sysnet": HealthDataTypeSysNet, "sysprocess": HealthDataTypeSysProcess, } // HealthDataTypesList - List of Health datatypes var HealthDataTypesList = []HealthDataType{ HealthDataTypePerfDrive, HealthDataTypePerfNet, HealthDataTypeMinioInfo, HealthDataTypeMinioConfig, HealthDataTypeSysCPU, HealthDataTypeSysDiskHw, HealthDataTypeSysDocker, HealthDataTypeSysOsInfo, HealthDataTypeSysLoad, HealthDataTypeSysMem, HealthDataTypeSysNet, HealthDataTypeSysProcess, } // ServerHealthInfo - Connect to a minio server and call Health Info Management API // to fetch server's information represented by HealthInfo structure func (adm *AdminClient) ServerHealthInfo(ctx context.Context, healthDataTypes []HealthDataType, deadline time.Duration) <-chan HealthInfo { respChan := make(chan HealthInfo) go func() { v := url.Values{} v.Set("deadline", deadline.Truncate(1*time.Second).String()) // start with all set to false for _, d := range HealthDataTypesList { v.Set(string(d), "false") } // only 'trueify' user provided values for _, d := range healthDataTypes { v.Set(string(d), "true") } var healthInfoMessage HealthInfo healthInfoMessage.TimeStamp = time.Now() if v.Get(string(HealthDataTypeMinioInfo)) == "true" { info, err := adm.ServerInfo(ctx) if err != nil { respChan <- HealthInfo{ Error: err.Error(), } return } healthInfoMessage.Minio.Info = info respChan <- healthInfoMessage } resp, err := adm.executeMethod(ctx, "GET", requestData{ relPath: adminAPIPrefix + "/healthinfo", queryValues: v, }) defer closeResponse(resp) if err != nil { respChan <- HealthInfo{ Error: err.Error(), } close(respChan) return } // Check response http status code if resp.StatusCode != http.StatusOK { respChan <- HealthInfo{ Error: httpRespToErrorResponse(resp).Error(), } return } // Unmarshal the server's json response decoder := json.NewDecoder(resp.Body) for { err := decoder.Decode(&healthInfoMessage) healthInfoMessage.TimeStamp = time.Now() if err == io.EOF { break } if err != nil { respChan <- HealthInfo{ Error: err.Error(), } } respChan <- healthInfoMessage } respChan <- healthInfoMessage close(respChan) }() return respChan }