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|
<?php
/* Icinga Web 2 | (c) 2014 Icinga Development Team | GPLv2+ */
namespace Icinga\Module\Setup\Forms;
use Exception;
use Icinga\Web\Form;
use Icinga\Forms\Config\Resource\DbResourceForm;
use Icinga\Module\Setup\Utils\DbTool;
/**
* Wizard page to define connection details for a database resource
*/
class DbResourcePage extends Form
{
/**
* Initialize this page
*/
public function init()
{
$this->setTitle($this->translate('Database Resource', 'setup.page.title'));
$this->setValidatePartial(true);
}
/**
* @see Form::createElements()
*/
public function createElements(array $formData)
{
$this->addElement(
'hidden',
'type',
array(
'required' => true,
'value' => 'db'
)
);
if (isset($formData['skip_validation']) && $formData['skip_validation']) {
$this->addSkipValidationCheckbox();
} else {
$this->addElement(
'hidden',
'skip_validation',
array(
'required' => true,
'value' => 0
)
);
}
$resourceForm = new DbResourceForm();
$this->addElements($resourceForm->createElements($formData)->getElements());
$this->getElement('name')->setValue('icingaweb_db');
}
/**
* Validate the given form data and check whether it's possible to connect to the database server
*
* @param array $data The data to validate
*
* @return bool
*/
public function isValid($data)
{
if (false === parent::isValid($data)) {
return false;
}
if (false === isset($data['skip_validation']) || $data['skip_validation'] == 0) {
if (! $this->validateConfiguration()) {
$this->addSkipValidationCheckbox();
return false;
}
}
return true;
}
/**
* Check whether it's possible to connect to the database server
*
* This will only run the check if the user pushed the 'backend_validation' button.
*
* @param array $formData
*
* @return bool
*/
public function isValidPartial(array $formData)
{
if (isset($formData['backend_validation']) && parent::isValid($formData)) {
if (! $this->validateConfiguration()) {
return false;
}
$this->info($this->translate('The configuration has been successfully validated.'));
} elseif (! isset($formData['backend_validation'])) {
// This is usually done by isValid(Partial), but as we're not calling any of these...
$this->populate($formData);
}
return true;
}
/**
* Return whether the configuration is valid
*
* @return bool
*/
protected function validateConfiguration()
{
try {
$db = new DbTool($this->getValues());
$db->checkConnectivity();
} catch (Exception $e) {
$this->error(sprintf(
$this->translate('Failed to successfully validate the configuration: %s'),
$e->getMessage()
));
return false;
}
$state = true;
$connectionError = null;
try {
$db->connectToDb();
} catch (Exception $e) {
$connectionError = $e;
}
if ($connectionError === null && array_search('icinga_instances', $db->listTables(), true) !== false) {
$this->warning($this->translate(
'The database you\'ve configured to use for Icinga Web 2 seems to be the one of Icinga. Please be aware'
. ' that this database configuration is supposed to be used for Icinga Web 2\'s configuration and that'
. ' it is highly recommended to not mix different schemas in the same database. If this is intentional,'
. ' you can skip the validation and ignore this warning. If not, please provide a different database.'
));
$state = false;
}
if ($this->getValue('db') === 'pgsql') {
if ($connectionError !== null) {
$this->warning(sprintf(
$this->translate('Unable to check the server\'s version. This is usually not a critical error'
. ' as there is probably only access to the database permitted which does not exist yet. If you are'
. ' absolutely sure you are running PostgreSQL in a version equal to or newer than 9.1,'
. ' you can skip the validation and safely proceed to the next step. The error was: %s'),
$connectionError->getMessage()
));
$state = false;
} else {
$version = $db->getServerVersion();
if (version_compare($version, '9.1', '<')) {
$this->error(sprintf(
$this->translate('The server\'s version %s is too old. The minimum required version is %s.'),
$version,
'9.1'
));
$state = false;
}
}
}
return $state;
}
/**
* Add a checkbox to the form by which the user can skip the configuration validation
*/
protected function addSkipValidationCheckbox()
{
$this->addElement(
'checkbox',
'skip_validation',
array(
'required' => true,
'label' => $this->translate('Skip Validation'),
'description' => $this->translate('Check this to not to validate the configuration')
)
);
}
}
|
