Commit 6c54dbb2 authored by Peter Krempa's avatar Peter Krempa
Browse files

examples: Add 'domstats' example 



A simple program which pulls domstats for either one VM or all of them
and outputs all the internal golang structures of the stats as JSON.

Signed-off-by: default avatarPeter Krempa <pkrempa@redhat.com>
parent 3f4f85c6

examples/domstats.go

0 → 100644
+49 −0
Original line number Diff line number Diff line 
package main



import (

	"fmt"

	libvirt "libvirt.org/go/libvirt"

	"os"

	"encoding/json"

)



func main() {

	var uri string



	if len(os.Args) >= 2 {

		uri = os.Args[1]

	}



	conn, err := libvirt.NewConnect(uri)

	if err != nil {

		panic(err)

	}

	defer conn.Close()



	var domains []*libvirt.Domain



	if len(os.Args) >= 3 {

		dom, err := conn.LookupDomainByName(os.Args[2])

		if (err != nil) {

			panic(err)

		}



		domains = make([]*libvirt.Domain, 1)

		domains[0] = dom

	}



	stats, err := conn.GetAllDomainStats(domains, 0, 0)

	if err != nil {

		panic(err)

	}



	for _, st := range stats {

		js, err := json.MarshalIndent(st, "", "  ")

		if err != nil {

			panic(err)

		}



		fmt.Printf("%s\n", js)

	}



}