function domain_snapshot_create($domain) {
$this->domain_set_metadata($domain);
$domain = $this->get_domain_object($domain);
$tmp = libvirt_domain_snapshot_create($domain);
return ($tmp) ? $tmp : $this->_set_last_error();
}
/**
* create snapshot of a virtual machine on the virt host
*
* @global resource $host_conn libvirt connection
*
* @param string $vm_virt_id virt_id of the vm
*
* @return bool on success
*/
function ace_kvm_vm_create_snapshot($vm_virt_id)
{
global $host_conn;
$vm_res = libvirt_domain_lookup_by_name($host_conn, $vm_virt_id);
ace_kvm_log_last_error();
$vm_is_active = ace_kvm_get_vm_state($vm_virt_id) == 1 ? TRUE : FALSE;
if ($vm_is_active) {
$vm_snap_res = libvirt_domain_snapshot_create($vm_res);
ace_kvm_log_last_error();
$return = $vm_snap_res ? TRUE : FALSE;
} else {
#start
ace_kvm_vm_start($vm_virt_id);
#suspend
ace_kvm_vm_suspend($vm_virt_id);
#take snapshot
$vm_snap_res = libvirt_domain_snapshot_create($vm_res);
ace_kvm_log_last_error();
$return = is_resource($vm_snap_res) ? TRUE : FALSE;
#stop
ace_kvm_vm_stop($vm_virt_id);
}
return $return;
}
