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<?php
namespace Icinga\Module\Director;
use Icinga\Application\Icinga;
use Icinga\Authentication\Auth;
use Icinga\Data\Filter\Filter;
use Icinga\Module\Monitoring\Backend\MonitoringBackend;
class Monitoring
{
protected $backend;
public function __construct()
{
$app = Icinga::app();
$modules = $app->getModuleManager();
if (!$modules->hasLoaded('monitoring') && $app->isCli()) {
$app->getModuleManager()->loadEnabledModules();
}
if ($modules->hasLoaded('monitoring')) {
$this->backend = MonitoringBackend::instance();
}
}
public function isAvailable()
{
return $this->backend !== null;
}
public function hasHost($hostname)
{
return $this->backend->select()->from('hostStatus', [
'hostname' => 'host_name',
])->where('host_name', $hostname)->fetchOne() === $hostname;
}
public function hasService($hostname, $service)
{
return (array) $this->prepareServiceKeyColumnQuery($hostname, $service)->fetchRow() === [
'hostname' => $hostname,
'service' => $service,
];
}
public function authCanEditHost(Auth $auth, $hostname)
{
if ($auth->hasPermission('director/monitoring/hosts')) {
$restriction = null;
foreach ($auth->getRestrictions('director/monitoring/rw-object-filter') as $restriction) {
if ($this->hasHostWithExtraFilter($hostname, Filter::fromQueryString($restriction))) {
return true;
}
}
if ($restriction === null) {
return $this->hasHost($hostname);
}
}
return false;
}
public function authCanEditService(Auth $auth, $hostname, $service)
{
if ($hostname === null || $service === null) {
// TODO: UUID support!
return false;
}
if ($auth->hasPermission('director/monitoring/services')) {
$restriction = null;
foreach ($auth->getRestrictions('director/monitoring/rw-object-filter') as $restriction) {
if ($this->hasServiceWithExtraFilter($hostname, $service, Filter::fromQueryString($restriction))) {
return true;
}
}
if ($restriction === null) {
return $this->hasService($hostname, $service);
}
}
return false;
}
public function hasHostWithExtraFilter($hostname, Filter $filter)
{
return $this->backend->select()->from('hostStatus', [
'hostname' => 'host_name',
])->where('host_name', $hostname)->applyFilter($filter)->fetchOne() === $hostname;
}
public function hasServiceWithExtraFilter($hostname, $service, Filter $filter)
{
return (array) $this
->prepareServiceKeyColumnQuery($hostname, $service)
->applyFilter($filter)
->fetchRow() === [
'hostname' => $hostname,
'service' => $service,
];
}
public function getHostState($hostname)
{
$hostStates = [
'0' => 'up',
'1' => 'down',
'2' => 'unreachable',
'99' => 'pending',
];
$query = $this->backend->select()->from('hostStatus', [
'hostname' => 'host_name',
'state' => 'host_state',
'problem' => 'host_problem',
'acknowledged' => 'host_acknowledged',
'in_downtime' => 'host_in_downtime',
'output' => 'host_output',
])->where('host_name', $hostname);
$res = $query->fetchRow();
if ($res === false) {
$res = (object) [
'hostname' => $hostname,
'state' => '99',
'problem' => '0',
'acknowledged' => '0',
'in_downtime' => '0',
'output' => null,
];
}
$res->state = $hostStates[$res->state];
return $res;
}
protected function prepareServiceKeyColumnQuery($hostname, $service)
{
return $this->backend
->select()
->from('serviceStatus', [
'hostname' => 'host_name',
'service' => 'service_description',
])
->where('host_name', $hostname)
->where('service_description', $service);
}
}
|
