ceph-go example: List volumes in a particular pool

rbd-ls.go

func listRBDVols() error {
	// Runs the equivalent of rbd --pool ffledgling-pool ls
	// Contains basic connection logic that's reusable
	
	log.Println("Function started...") // We have this because connection setup etc take a while.

        // If like me, you tried this first and expected it to work, it doesn't:
	/*
        	conn, _ := rados.NewConn()
        	args := []string{"--name", "client.ffledgling", "--conf", "/home/ffledgling/ceph.conf"}
        	conn.ParseCmdLineArgs(args)
	*/
	
	conn, _ := rados.NewConnWithUser("ffledgling")
	conn.ReadConfigFile("/home/ffledgling/ceph.conf")
	
	if err := conn.Connect(); err != nil {
                log.Fatalln("Connection Failed.", err)
		return err
        }

	// Get the list of volumes in a particular pool
        iox, err := conn.OpenIOContext("ffledgling-pool")
        if err != nil {
                log.Println("IOX:", err)
		return err
        }

        vols, err := rbd.GetImageNames(iox)
        if err != nil {
                log.Println("Image list failed.", err)
        }

        for i, e := range vols {
                log.Println(i, e)
        }

}