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<?php
/* Icinga Web 2 | (c) 2016 Icinga Development Team | GPLv2+ */
namespace Icinga\Module\Eventdb;
use Icinga\Application\Config;
use Icinga\Data\ConfigObject;
use Icinga\Data\Filter\Filter;
use Icinga\Data\Filter\FilterExpression;
use Icinga\Data\ResourceFactory;
use Icinga\Exception\ConfigurationError;
use Icinga\Repository\DbRepository;
use Icinga\Repository\RepositoryQuery;
class Eventdb extends DbRepository
{
/**
* {@inheritdoc}
*/
const DATETIME_FORMAT = 'Y-m-d G:i:s';
/**
* {@inheritdoc}
*/
protected $tableAliases = array(
'comment' => 'c',
'event' => 'e',
);
/**
* Default query columns
*
* @var array
*/
protected static $defaultQueryColumns = array(
'event' => array(
'id',
'host_name',
'host_address',
'type',
'facility',
'priority',
'program',
'message',
'alternative_message',
'ack',
'created',
'modified',
),
'comment' => array(
'id',
'event_id',
'type',
'message',
'created',
'modified',
'user'
)
);
protected static $edbcQueryColumns = array(
'event' => array(
'group_active',
'group_id',
'group_count',
'group_leader',
'group_autoclear',
'flags',
'alternative_message'
)
);
/** @var bool */
protected $hasCorrelatorExtensions = null;
/**
* Checks if Event repository has EDBC columns
*
* @return bool
*/
public function hasCorrelatorExtensions()
{
if ($this->hasCorrelatorExtensions === null) {
$dba = $this->getDataSource()->getDbAdapter();
$result = $dba->fetchRow("SHOW COLUMNS FROM `event` LIKE 'group_leader'");
$this->hasCorrelatorExtensions = ! ! $result;
}
return $this->hasCorrelatorExtensions;
}
public function filterGroups(RepositoryQuery $query)
{
if ($this->hasCorrelatorExtensions()) {
$query->addFilter(Filter::matchAny(
Filter::expression('group_leader', '=', -1),
new FilterExpression('group_leader', 'IS', new \Zend_Db_Expr('NULL'))
));
}
return $this;
}
/**
* {@inheritdoc}
*/
protected function initializeQueryColumns()
{
$additionalColumns = Config::module('eventdb', 'columns')->keys();
$queryColumns = static::$defaultQueryColumns;
if ($this->hasCorrelatorExtensions()) {
foreach (static::$edbcQueryColumns as $table => $fields) {
if (array_key_exists($table, $queryColumns)) {
$queryColumns[$table] = array_merge($queryColumns[$table], $fields);
} else {
$queryColumns[$table] = $fields;
}
}
}
if ($additionalColumns !== null) {
$eventColumns = $queryColumns['event'];
$queryColumns['event'] = array_merge($eventColumns, array_diff($additionalColumns, $eventColumns));
}
return $queryColumns;
}
/**
* Create and return a new instance of the Eventdb
*
* @param ConfigObject $config The configuration to use, otherwise the module's configuration
*
* @return static
*
* @throws ConfigurationError In case no resource has been configured in the module's configuration
*/
public static function fromConfig(ConfigObject $config = null)
{
if ($config === null) {
$moduleConfig = Config::module('eventdb');
if (($resourceName = $moduleConfig->get('backend', 'resource')) === null) {
throw new ConfigurationError(
mt('eventdb', 'You need to configure a resource to access the EventDB database first')
);
}
$resource = ResourceFactory::create($resourceName);
} else {
$resource = ResourceFactory::createResource($config);
}
return new static($resource);
}
/**
* {@inheritdoc}
*/
protected function initializeConversionRules()
{
return array('event' => array('host_address' => 'ip_address'));
}
/**
* Convert an IP address into its human-readable form
*
* @param string $rawAddress
*
* @return string
*/
protected function retrieveIpAddress($rawAddress)
{
return $rawAddress === null ? null : inet_ntop($rawAddress);
}
/**
* Convert an IP address into its binary form
*
* @param string $address
*
* @return string
*/
protected function persistIpAddress($address)
{
return $address === null ? null : inet_pton($address);
}
}
|
