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<?php
/**
* This is one giant class containing various functions that will generate
* required config files, daemon instances and more, mostly through the Taskmanager.
* Most function *should* only actually do something if it is required to do so.
* eg. a "launchSomething" function should only launch something if it isn't already
* running. Checking if something is running can happen in that very function, or in
* a task that the function is calling.
*/
class Trigger
{
/**
* Compile iPXE pxelinux menu. Needs to be done whenever the server's IP
* address changes.
*
* @param boolean $force force recompilation even if it seems up to date
* @return boolean|string true if already up to date, false if launching task failed, task-id otherwise
*/
public static function ipxe()
{
$data = Property::getBootMenu();
$task = Taskmanager::submit('CompileIPxe', $data);
if (!isset($task['id']))
return false;
return $task['id'];
}
/**
* Try to automatically determine the primary IP address of the server.
* This only works if the server has either one public IPv4 address (and potentially
* one or more non-public addresses), or one private address.
*/
public static function autoUpdateServerIp()
{
$task = Taskmanager::submit('LocalAddressesList');
if ($task === false)
return;
$task = Taskmanager::waitComplete($task, 10000);
if (!isset($task['data']['addresses']) || empty($task['data']['addresses']))
return;
$serverIp = Property::getServerIp();
$publicCandidate = 'none';
$privateCandidate = 'none';
foreach ($task['data']['addresses'] as $addr) {
if ($addr['ip'] === $serverIp)
return;
if (substr($addr['ip'], 0, 4) === '127.')
continue;
if (Util::isPublicIpv4($addr['ip'])) {
if ($publicCandidate === 'none')
$publicCandidate = $addr['ip'];
else
$publicCandidate = 'many';
} else {
if ($privateCandidate === 'none')
$privateCandidate = $addr['ip'];
else
$privateCandidate = 'many';
}
}
if ($publicCandidate !== 'none' && $publicCandidate !== 'many') {
Property::setServerIp($publicCandidate);
return;
}
if ($privateCandidate !== 'none' && $privateCandidate !== 'many') {
Property::setServerIp($privateCandidate);
return;
}
}
/**
* Launch all ldadp instances that need to be running.
*
* @param string $parent if not NULL, this will be the parent task of the launch-task
* @return boolean|string false on error, id of task otherwise
*/
public static function ldadp($parent = NULL)
{
$res = Database::simpleQuery("SELECT moduleid, configtgz.filepath FROM configtgz_module"
. " INNER JOIN configtgz_x_module USING (moduleid)"
. " INNER JOIN configtgz USING (configid)"
. " WHERE moduletype = 'AD_AUTH'");
// TODO: Multiconfig support
$id = array();
while ($row = $res->fetch(PDO::FETCH_ASSOC)) {
if (readlink('/srv/openslx/www/boot/default/config.tgz') === $row['filepath']) {
$id[] = (int)$row['moduleid'];
break;
}
}
$task = Taskmanager::submit('LdadpLauncher', array(
'ids' => $id,
'parentTask' => $parent,
'failOnParentFail' => false
));
if (!isset($task['id']))
return false;
return $task['id'];
}
/**
* To be called if the server ip changes, as it's embedded in the AD module configs.
* This will then recreate all AD tgz modules.
*/
public static function rebuildAdModules()
{
$res = Database::simpleQuery("SELECT moduleid, filepath, content FROM configtgz_module"
. " WHERE moduletype = 'AD_AUTH'");
if ($res->rowCount() === 0)
return;
$task = Taskmanager::submit('LdadpLauncher', array('ids' => array())); // Stop all running instances
$parent = isset($task['id']) ? $task['id'] : NULL;
while ($row = $res->fetch(PDO::FETCH_ASSOC)) {
$config = json_decode($row['contents']);
$config['proxyip'] = Property::getServerIp();
$config['moduleid'] = $row['moduleid'];
$config['filename'] = $row['filepath'];
$config['parentTask'] = $parent;
$config['failOnParentFail'] = false;
$task = Taskmanager::submit('CreateAdConfig', $config);
$parent = isset($task['id']) ? $task['id'] : NULL;
}
}
/**
* Mount the VM store into the server.
*
* @return array task status of mount procedure, or false on error
*/
public static function mount()
{
$vmstore = Property::getVmStoreConfig();
if (!is_array($vmstore)) return false;
$storetype = $vmstore['storetype'];
if ($storetype === 'nfs') $addr = $vmstore['nfsaddr'];
if ($storetype === 'cifs') $addr = $vmstore['cifsaddr'];
if ($storetype === 'internal') $addr = 'null';
return Taskmanager::submit('MountVmStore', array(
'address' => $addr,
'type' => 'images',
'username' => $vmstore['cifsuser'],
'password' => $vmstore['cifspasswd']
));
}
}
|
