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go-hyperv

A Go module to get Microsoft Hyper-V VM informations and status via WMI: Windows Management Instrumentation

Usage

To get virtual machines summary informations and status, just call GetVMList().

package main

import (
        "fmt"
        "os"

        "github.com/sheepla/hyperv"
)

func main() {
        vms, err := hyperv.GetVMList()
        if err != nil {
                fmt.Fprintln(os.Stderr, err)
        }

        for _, vm := range *vms {
                fmt.Printf(
                        "----------------------\n%v %v [%v]\n"+
                                "\tProcessors:\t%v\n"+
                                "\tMemory:\t\tusage=%v available=%v buffer=%v\n"+
                                "\tUptime:\t\t%v\n"+
                                "\tvSwitch:\t%v\n",
                        vm.ID, vm.Name, vm.State,
                        vm.NumberOfProcessors,
                        vm.MemoryUsage, vm.MemoryAvailable, vm.AvailableMemoryBuffer,
                        vm.UpTime,
                        vm.VirtualSwitchNames,
                )
        }
}
Output: 
----------------------
354054C8-AE69-4ECB-BC42-7A63BA2688A4 Rocky [enabled but offline]
        Processors:     1
        Memory: usage=0 available=2147483647 buffer=2147483647
        Uptime: 0
        vSwitch:        [ExternalSwitch]
----------------------
782EC864-9404-4AFD-B5C7-58AA6EEBBC24 WS2022 [enabled but offline]
        Processors:     1
        Memory: usage=0 available=2147483647 buffer=2147483647
        Uptime: 0
        vSwitch:        [ExternalSwitch]
----------------------
96948A58-D987-4A71-9DCC-4E125BA48A4E Debian [running]
        Processors:     1
        Memory: usage=1024 available=26 buffer=180
        Uptime: 47863518
        vSwitch:        [ExternalSwitch]
----------------------
E25CD86E-9F94-43CD-B182-33B7CC74E957 ArchLinux [enabled but offline]
        Processors:     4
        Memory: usage=0 available=2147483647 buffer=2147483647
        Uptime: 0
        vSwitch:        [ExternalSwitch]
----------------------
EDF2EDF5-61A4-4AC2-8A2B-BDE67DE4FD12 WS2022Desktop [running]
        Processors:     1
        Memory: usage=4096 available=71 buffer=1236
        Uptime: 38991448
        vSwitch:        [ExternalSwitch]

Installation

This module only supports windows/amd64 with Hyper-V enabled. Please see Hyper-V system requirements: Hyper-V System Requiments

go get github.com/sheepla/hyperv@latest

License

MIT

Contributing

Welcome any bug fixing, typo fixing, advicements.

Author

Sheepla