virt 0.2.8

/*
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library.  If not, see
 * <http://www.gnu.org/licenses/>.
 *
 * Sahid Orentino Ferdjaoui <sahid.ferdjaoui@redhat.com>
 */

//! An example of migrating domain

extern crate virt;

use std::env;

use virt::connect::Connect;
use virt::domain::Domain;

fn main() {
    if env::args().len() < 4 {
        panic!("Usage: {} <src uri> <dst uri> <domain name>",
               env::args().nth(0).unwrap());
    }

    let src_uri = env::args().nth(1).unwrap();
    let dst_uri = env::args().nth(2).unwrap();
    let dname = env::args().nth(3).unwrap();

    println!("Attempting to migrate domain '{}' from '{}' to '{}'...",
             dname,
             src_uri,
             dst_uri);

    let mut conn = match Connect::open(&src_uri) {
        Ok(c) => c,
        Err(e) => {
            panic!("No connection to source hypervisor: code {}, message: {}",
                   e.code,
                   e.message)
        }
    };

    if let Ok(dom) = Domain::lookup_by_name(&conn, &dname) {
        let flags = ::virt::domain::VIR_MIGRATE_LIVE | ::virt::domain::VIR_MIGRATE_PEER2PEER |
                    ::virt::domain::VIR_MIGRATE_TUNNELLED;
        if let Ok(_) = dom.migrate(&conn, flags, &dst_uri, 0) {
            println!("Domain migrated");
        }
    }

    if let Err(e) = conn.close() {
        panic!("Failed to disconnect from hypervisor: code {}, message: {}",
               e.code,
               e.message);
    }
    println!("Disconnected from source hypervisor");
}