/**
* fetch next available (within quota) network instance number for a given lab id
*
* @param int $lab_id lab id
*
* @return int|bool network instance number | FALSE on error
*/
function ace_db_lab_get_available_network_instance($lab_id)
{
$quota_array = ace_db_lab_get_quota_array($lab_id);
$network_quota = $quota_array['networks'];
$instance_list = array();
$lab_network_table = ace_db_lab_get_network_table($lab_id);
if (is_array($lab_network_table)) {
for ($row = 0; $row < count($lab_network_table); $row++) {
$instance_list[$row] = $lab_network_table[$row]['instance'];
}
$valid_instances = range(0, $network_quota);
$available_instances = array_diff($valid_instances, $instance_list);
if (count($available_instances) > 0) {
$available_instance = reset($available_instances);
$return = $available_instance;
} else {
$return = FALSE;
}
} else {
$return = 0;
}
return $return;
}
/**
* deletes a lab
*
* @api
*
* @param int $lab_id lab id
*
* @return bool on success TRUE/FALSE
*/
function ace_lab_delete($lab_id)
{
if (ace_lab_is_active($lab_id)) {
ace_lab_deactivate($lab_id);
}
$lab_group_ids = ace_lab_get_group_ids($lab_id);
if (is_array($lab_group_ids)) {
foreach ($lab_group_ids as $group_id) {
ace_group_remove_lab($group_id, $lab_id);
}
}
$vm_table = ace_db_lab_get_vm_table($lab_id);
foreach ($vm_table as $vm) {
$cdrom_table = ace_db_vm_get_cdrom_table($vm['id']);
foreach ($cdrom_table as $cdrom) {
ace_db_vm_detach_cdrom($cdrom['vm_id'], $cdrom['instance']);
}
$disk_table = ace_db_vm_get_disk_table($vm['id']);
foreach ($disk_table as $disk) {
ace_db_vm_detach_disk($disk['vm_id'], $disk['instance']);
}
$nic_table = ace_db_vm_get_nic_table($vm['id']);
foreach ($nic_table as $nic) {
ace_db_vm_detach_nic($nic['vm_id'], $nic['instance']);
}
ace_db_vm_delete($vm['id']);
}
$volume_table = ace_db_lab_get_volume_table($lab_id);
foreach ($volume_table as $volume) {
ace_db_volume_delete($volume['id']);
}
$network_table = ace_db_lab_get_network_table($lab_id);
foreach ($network_table as $network) {
ace_db_network_delete($network['id']);
}
return ace_db_lab_delete($lab_id);
}
