icingaweb2-module-director/library/Director/Resolver/HostServiceBlacklist.php

92 lines
2.3 KiB
PHP

<?php
namespace Icinga\Module\Director\Resolver;
use Icinga\Module\Director\Db;
use Icinga\Module\Director\Objects\IcingaService;
class HostServiceBlacklist
{
/** @var Db */
protected $db;
protected $table = 'icinga_host_service_blacklist';
protected $mappings;
public function __construct(Db $db)
{
$this->db = $db;
}
protected function loadMappings()
{
$db = $this->db->getDbAdapter();
$query = $db->select()->from(['hsb' => $this->table], [
'host_name' => 'h.object_name',
'service_id' => 'hsb.service_id'
])->join(
['h' => 'icinga_host'],
'hsb.host_id = h.id',
[]
);
$result = [];
foreach ($db->fetchAll($query) as $row) {
if (array_key_exists($row->service_id, $result)) {
$result[$row->service_id][] = $row->host_name;
} else {
$result[$row->service_id] = [$row->host_name];
}
}
return $result;
}
public function preloadMappings()
{
$this->mappings = $this->loadMappings();
return $this;
}
public function getBlacklistedHostnamesForService(IcingaService $service)
{
if ($this->mappings === null) {
return $this->fetchMappingsForService($service);
} else {
return $this->getPreLoadedMappingsForService($service);
}
}
public function fetchMappingsForService(IcingaService $service)
{
if (! $service->hasBeenLoadedFromDb() || $service->get('id') === null) {
return [];
}
$db = $this->db->getDbAdapter();
$query = $db->select()->from(['hsb' => $this->table], [
'host_name' => 'h.object_name',
'service_id' => 'hsb.service_id'
])->join(
['h' => 'icinga_host'],
'hsb.host_id = h.id',
[]
)->where('hsb.service_id = ?', $service->get('id'));
return $db->fetchCol($query);
}
public function getPreLoadedMappingsForService(IcingaService $service)
{
if ($this->mappings !== null
&& array_key_exists($service->get('id'), $this->mappings)
) {
return $this->mappings[$service->get('id')];
}
return [];
}
}