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gistfile1.txt

package main

import (
    "fmt"
    "log"
    "net"
    "time"

    "github.com/digitalocean/go-qemu/hypervisor"
)

func main() {
    driver := hypervisor.NewRPCDriver(func() (net.Conn, error) {
        return net.DialTimeout("unix", "/var/run/libvirt/libvirt-sock", 2*time.Second)
    })

    hv := hypervisor.New(driver)

    fmt.Println("Domain\t\tQEMU Version")
    fmt.Println("--------------------------------------")
    domains, err := hv.Domains()
    if err != nil {
        log.Fatal(err)
    }

    for _, dom := range domains {
        version, err := dom.Version()
        if err != nil {
            log.Fatal(err)
        }

        fmt.Printf("%s\t\t%s\n", dom.Name, version)
        dom.Close()
    }
}

Dominfo

package main

import (
	"flag"
	"fmt"
	"log"
	"net"
	"time"

	"github.com/digitalocean/go-qemu/qemu"
	"github.com/digitalocean/go-qemu/qmp"
)

var (
	network    = flag.String("network", "unix", `Named network used to connect on. For Unix sockets -network=unix, for TCP connections: -network=tcp`)
	address    = flag.String("address", "/var/run/libvirt/libvirt-sock", `Address of the hypervisor. This could be in the form of Unix or TCP sockets. For TCP connections: -address="host:16509"`)
	timeout    = flag.Duration("timeout", 2*time.Second, "Connection timeout. Another valid value could be -timeout=500ms")
	domainName = flag.String("domainName", "ba64cf45-64b6-4005-bd10-f8bc4bf5a84a", "This is the domain to get details for.")
)

func main() {
	flag.Parse()

	fmt.Printf("\nConnecting to %s://%s\n", *network, *address)

	c, err := net.DialTimeout(*network, *address, *timeout)
	if err != nil {
		log.Fatalf("failed to connect to hypervisor: %v", err)
	}

	mon := qmp.NewLibvirtRPCMonitor(*domainName, c)

	if err := mon.Connect(); err != nil {
		log.Fatalf("failed to connect: %v", err)
	}

	domain, err := qemu.NewDomain(mon, *domainName)
	if err != nil {
		log.Fatalf("failed to create domain object: %v", err)
	}
	defer domain.Close()

	version, err := domain.Version()
	if err != nil {
		log.Fatalf("Error getting Domain Version: %v\n", err)
	}
	fmt.Printf("\nVersion: %s\n", version)

	status, err := domain.Status()
	if err != nil {
		log.Fatalf("Error getting Domain Status: %v\n", err)
	}
	fmt.Printf("\nStatus: %s\n", status)

	displayPCIDevices(domain)

	displayBlockDevices(domain)
}

func displayPCIDevices(domain *qemu.Domain) {
	pciDevices, err := domain.PCIDevices()
	if err != nil {
		log.Fatalf("Error getting PCIDevices: %v\n", pciDevices)
	}
	fmt.Printf("\n[ PCIDevices ]\n")
	fmt.Printf("======================================\n")
	fmt.Printf("%10s %20s\n", "[ID]", "[Description]")
	fmt.Printf("======================================\n")
	for _, pciDevice := range pciDevices {
		fmt.Printf("[%10s] [%20s]\n", pciDevice.QdevID, pciDevice.ClassInfo.Desc)
	}
}

func displayBlockDevices(domain *qemu.Domain) {
	blockDevices, err := domain.BlockDevices()
	if err != nil {
		log.Fatalf("Error getting blockDevices: %v\n", blockDevices)
	}
	fmt.Printf("\n[ BlockDevices ]\n")
	fmt.Printf("========================================================================\n")
	fmt.Printf("%20s %8s %30s\n", "Device", "Driver", "File")
	fmt.Printf("========================================================================\n")
	for _, blockDevice := range blockDevices {
		fmt.Printf("%20s %8s %30s\n",
			blockDevice.Device, blockDevice.Inserted.Driver, blockDevice.Inserted.File)
	}
}