added default image for all clients (known and unkown)
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This commit is contained in:
Paolo Asperti 2020-04-28 22:39:45 +02:00
parent df17c93e76
commit 91811347d8
Signed by: paspo
GPG Key ID: 06D46905D19D5182
4 changed files with 55 additions and 19 deletions

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@ -29,6 +29,17 @@ db hosts setprop lab01 \
By running the above command, the **memtest** image will be used for one boot only.
## default image ##
When there's no specific setting for the host, the host is not in the hosts db, or the image specified for the host is not available, the *default image* is used.
To set the default image, you can use this command:
```bash
db configuration setprop pxeserver-httpd \
defaultimage memtest
```
## TODO / ideas ##
* Create a menu, for interactive selection

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@ -1,6 +1,6 @@
Summary: LibreSchool PXE server
Name: libreschool-pxeserver
Version: 1.1.3
Version: 1.1.4
Release: 1.ns7
License: GPL
BuildArch: noarch
@ -112,6 +112,9 @@ if [ "$1" = 0 ]; then
fi
%changelog
* Tue Apr 28 2020 Paolo Asperti <paolo@asperti.com> - 1.1.4-1.ns7
- Added default image setting
* Sat Apr 25 2020 Paolo Asperti <paolo@asperti.com> - 1.1.3-1.ns7
- Added KUbuntu 20.04 (live only)
- Added LUbuntu 20.04 (live only)

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@ -0,0 +1 @@
localhd

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@ -5,7 +5,7 @@
*
* This script manages the loading of the PXE image, based on specific
* host preferences.
*
*
* php version 5.4.16
*
* @category Client_Management
@ -21,15 +21,16 @@
require_once "EsmithDatabase.php";
$hosts_db = new EsmithDatabase('hosts');
$config_db = new EsmithDatabase('configuration');
/**
/**
* Check if specified mac address is valid
*
*
* We should've used filter_var($mac, FILTER_VALIDATE_MAC) but it's available
* from PHP 5.5.0 and we have 5.4.16. Too bad.
*
*
* @param string $mac the mac address to examine
*
*
* @return bool if the macaddress is valid or not
*/
function isValidMAC($mac) {
@ -50,11 +51,11 @@ function isValidMAC($mac) {
}
}
/**
/**
* Get the client corresponding a specific mac address
*
*
* @param string $mac the mac address of the client
*
*
* @return host||boolean client if found, false otherwise
*/
function getClientFromMAC($mac=false) {
@ -67,11 +68,11 @@ function getClientFromMAC($mac=false) {
}
}
/**
/**
* Default exit string
* This string will instruct to reload the script
* This string will instruct to reload the script
* passing the mac address of the calling machine
*
*
* @return null
*/
function defaultExit() {
@ -83,23 +84,43 @@ chain http://".$_SERVER['HTTP_HOST'].$_SERVER["SCRIPT_NAME"]."?mac=\${mac}
}
/**
/**
* Check if specified PXE image exists
*
*
* @param string $i image name
*
*
* @return bool if the image exists or not
*/
function imageExists($i) {
$pwd = dirname(__FILE__);
$dir = $pwd . '/' . $i;
$bootfile = $dir . '/boot';
$iso_is_mounted = $dir . '/iso_is_mounted';
$iso_ok = ! file_exists($iso_is_mounted) ||
$bootfile = $dir . '/boot';
$iso_is_mounted = $dir . '/iso_is_mounted';
$iso_ok = ! file_exists($iso_is_mounted) ||
(is_link($iso_is_mounted) && is_readable($iso_is_mounted));
return is_dir($dir) && is_readable($bootfile) && $iso_ok;
}
/**
* Try to boot the default PXE Image
*
* @return void
*/
function try_defaultimage() {
global $config_db;
$defaultimage = $config_db->getProp('pxeserver-httpd','defaultimage');
if (imageExists($defaultimage)) {
print("#!ipxe
# Loading PXEImage
chain " . $defaultimage . "/boot
");
exit();
}
}
if (!isset($_REQUEST['mac'])) {
defaultExit();
}
@ -112,7 +133,7 @@ if (!isValidMAC($_REQUEST['mac'])) {
$mac = $_REQUEST['mac'];
$client = getClientFromMAC($mac);
if (!$client) {
// TODO: make up a default for unknown clients
try_defaultimage();
defaultExit();
}