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package util
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import (
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"fmt"
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"github.com/shirou/gopsutil/v3/cpu"
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"github.com/shirou/gopsutil/v3/disk"
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"github.com/shirou/gopsutil/v3/host"
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"github.com/shirou/gopsutil/v3/load"
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"github.com/shirou/gopsutil/v3/mem"
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"net"
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"strings"
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"time"
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)
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var (
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IsAlert = false
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MSG = ""
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)
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// 获取网络信息
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func GetNetInfo() string {
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addrs, err := net.InterfaceAddrs()
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if err != nil {
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fmt.Println(err)
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return ""
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}
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for _, address := range addrs {
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// 检查ip地址判断是否回环地址
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if ipnet, ok := address.(*net.IPNet); ok && !ipnet.IP.IsLoopback() {
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if ipnet.IP.To4() != nil {
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//fmt.Println(ipnet.Mask)
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//fmt.Println(ipnet.IP)
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return ipnet.IP.String()
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}
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}
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}
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return ""
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}
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// 获取主机信息
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func GetHostInfo() {
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hostInfo, err := host.Info()
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if err != nil {
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fmt.Println("get host info fail, error: ", err)
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}
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fmt.Printf("hostname is: %v, os platform: %v \n", hostInfo.Hostname, hostInfo.Platform)
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MSG += fmt.Sprintf("hostname is: %v, os platform: %v \n", hostInfo.Hostname, hostInfo.Platform)
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}
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// 获取CPU信息
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func GetCpuInfo() {
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// cpuInfo,err := cpu.Info()
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// if err != nil {
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// fmt.Println("get cpu info fail, err: %v",err)
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// }
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// for _,ci := range cpuInfo {
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// fmt.Printf("%v \n",ci)
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// }
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cpuPercent, _ := cpu.Percent(time.Second, true)
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cpuNumber, _ := cpu.Counts(true)
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if cpuPercent[0] >= 95 {
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//IsAlert = true
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//暂时不监控cpu情况
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MSG += fmt.Sprintf("CPU核心数: %v \n", cpuNumber)
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MSG += fmt.Sprintf("CPU使用率: %.3f%% \n", cpuPercent[0])
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}
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}
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// 获取内存信息
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func GetMemInfo() {
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memInfo, err := mem.VirtualMemory()
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if err != nil {
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fmt.Println("get memory info fail. err： ", err)
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}
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// 获取总内存大小，单位GB
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memTotal := memInfo.Total / 1024 / 1024 / 1024
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// 获取已用内存大小，单位MB
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memUsed := memInfo.Used / 1024 / 1024
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// 可用内存大小
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memAva := memInfo.Available / 1024 / 1024
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// 内存可用率
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memUsedPercent := memInfo.UsedPercent
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if memUsedPercent >= 95 {
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IsAlert = true
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MSG += fmt.Sprintf("总内存: %v GB, 已用内存: %v MB, 可用内存: %v MB, 内存使用率: %.3f %% \n", memTotal, memUsed, memAva, memUsedPercent)
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}
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}
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// 获取系统负载
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func GetSysLoad() {
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loadInfo, err := load.Avg()
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if err != nil {
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fmt.Println("get average load fail. err: ", err)
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}
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if loadInfo.Load15 >= 10 {
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IsAlert = true
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MSG += fmt.Sprintf("系统平均负载: %v \n", loadInfo)
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}
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}
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// 获取硬盘存储信息
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func GetDiskInfo() {
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diskPart, err := disk.Partitions(false)
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if err != nil {
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fmt.Println(err)
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}
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for _, dp := range diskPart {
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if find := strings.Contains(dp.String(), "/snap/core"); find {
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//oracle arm cpu core 被误认为分区
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return
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}
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if find := strings.Contains(dp.String(), "/snap/lxd"); find {
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//oracle arm cpu loop 被误认为分区
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return
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}
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fmt.Println(dp)
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diskUsed, _ := disk.Usage(dp.Mountpoint)
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fmt.Printf("分区总大小: %d MB \n", diskUsed.Total/1024/1024)
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fmt.Printf("分区使用率: %.3f %% \n", diskUsed.UsedPercent)
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fmt.Printf("分区inode使用率: %.3f %% \n", diskUsed.InodesUsedPercent)
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if diskUsed.UsedPercent >= 80 || diskUsed.InodesUsedPercent >= 80 {
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IsAlert = true
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MSG += fmt.Sprintf("异常分区: %s \n", dp.Mountpoint)
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MSG += fmt.Sprintf("分区总大小: %d GB \n", diskUsed.Total/1024/1024/1024)
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MSG += fmt.Sprintf("分区使用率: %.3f %% \n", diskUsed.UsedPercent)
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MSG += fmt.Sprintf("分区inode使用率: %.3f %% \n", diskUsed.InodesUsedPercent)
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}
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}
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}
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