//! The `shutdown` sub-command.

use crate::libvirt::{Libvirt, VirtError};
use crate::spec::Specification;
use log::{debug, info};

/// Shut down VMs corresponding to specifications.
pub fn shutdown(specs: &[Specification]) -> Result<(), VirtError> {
    let libvirt = Libvirt::connect("qemu:///system")?;
    for spec in specs {
        info!("shutting down virtual machine {}", spec.name);
        libvirt.shutdown(&spec.name)?;
    }
    for spec in specs {
        debug!("waiting for {} to become inactive", spec.name);
        libvirt.wait_for_inactive(&spec.name)?;
    }
    Ok(())
}