rbd info

rbdinfo.go

package main

import (
	"log"

	"github.com/ceph/go-ceph/rados"
	"github.com/ceph/go-ceph/rbd"
)

func main() {
	conn, err := rados.NewConn()
	if err != nil {
		log.Fatal(err)
	}
	err = conn.ReadDefaultConfigFile()
	if err != nil {
		log.Fatal(err)
	}
	//Override because the config is written for different namespace
	err = conn.SetConfigOption("mon_host", "ceph-mon.ceph")
	if err != nil {
		log.Fatal(err)
	}
	err = conn.Connect()
	if err != nil {
		log.Fatal(err)
	}
	ioc, err := conn.OpenIOContext("rbd")
	if err != nil {
		log.Fatal(err)
	}
	images, err := rbd.GetImageNames(ioc)
	if err != nil {
		log.Fatal(err)
	}
	for _, imgname := range images {
		log.Println(imgname)
		img := rbd.GetImage(ioc, imgname)
		err = img.Open(true)
		if err != nil {
			log.Fatal(err)
		}
		info, err := img.Stat()
		if err != nil {
			log.Fatal(err)
		}
		log.Println(info)
		//snaps, err := img.GetSnapshotNames()
		pools, imgs, err := img.ListChildren()
		if err != nil {
			log.Fatal(err)
		}
		log.Println("Children", pools, imgs)
		tag, lockers, err := img.ListLockers()
		log.Println(tag, lockers, err)
		img.Close()
	}
}