/**
* Validate the configuration by creating a backend and requesting the user count
*
* @param Form $form The form to fetch the configuration values from
*
* @return bool Whether validation succeeded or not
*/
public static function isValidUserBackend(Form $form)
{
try {
$dbUserBackend = new DbUserBackend(ResourceFactory::createResource($form->getResourceConfig()));
if ($dbUserBackend->select()->where('is_active', true)->count() < 1) {
$form->addError($form->translate('No active users found under the specified database backend'));
return false;
}
} catch (Exception $e) {
$form->addError(sprintf($form->translate('Using the specified backend failed: %s'), $e->getMessage()));
return false;
}
return true;
}
/**
* Validate the resource configuration by trying to connect with it
*
* @param Form $form The form to fetch the configuration values from
*
* @return bool Whether validation succeeded or not
*/
public static function isValidResource(Form $form)
{
$result = ResourceFactory::createResource(new ConfigObject($form->getValues()))->inspect();
if ($result->hasError()) {
$form->addError(sprintf('%s (%s)', $form->translate('Connectivity validation failed, connection to the given resource not possible.'), $result->getError()));
}
// TODO: display diagnostics in $result->toArray() to the user
return !$result->hasError();
}
/**
* Validate the configuration by creating a backend and requesting the user count
*
* @param Form $form The form to fetch the configuration values from
*
* @return bool Whether validation succeeded or not
*/
public static function isValidUserBackend(Form $form)
{
$backend = new DbUserBackend(ResourceFactory::createResource($form->getResourceConfig()));
$result = $backend->inspect();
if ($result->hasError()) {
$form->addError(sprintf($form->translate('Using the specified backend failed: %s'), $result->getError()));
}
// TODO: display diagnostics in $result->toArray() to the user
return !$result->hasError();
}
/**
* Validate the resource configuration by trying to connect with it
*
* @param Form $form The form to fetch the configuration values from
*
* @return bool Whether validation succeeded or not
*/
public static function isValidResource(Form $form)
{
try {
$resource = ResourceFactory::createResource(new ConfigObject($form->getValues()));
$resource->getConnection()->getConnection();
} catch (Exception $e) {
$form->addError($form->translate('Connectivity validation failed, connection to the given resource not possible.'));
return false;
}
return true;
}
/**
* Validate the resource configuration by trying to connect with it
*
* @param Form $form The form to fetch the configuration values from
*
* @return bool Whether validation succeeded or not
*/
public static function isValidResource(Form $form)
{
try {
$resource = ResourceFactory::createResource(new ConfigObject($form->getValues()));
$resource->bind();
} catch (Exception $e) {
$msg = $form->translate('Connectivity validation failed, connection to the given resource not possible.');
if ($error = $e->getMessage()) {
$msg .= ' (' . $error . ')';
}
$form->addError($msg);
return false;
}
return true;
}
/**
* Return whether a single icinga instance is writing to the given resource
*
* @param Form $form
* @param ConfigObject $resourceConfig
*
* @return bool True if it's a single instance, false if none
* or multiple instances are writing to it
*/
public static function isValidIdoInstance(Form $form, ConfigObject $resourceConfig)
{
$db = ResourceFactory::createResource($resourceConfig);
$rowCount = $db->select()->from('icinga_instances')->count();
if ($rowCount === 0) {
$form->warning($form->translate('There is currently no icinga instance writing to the IDO. Make sure ' . 'that a icinga instance is configured and able to write to the IDO.'));
return false;
} elseif ($rowCount > 1) {
$form->warning($form->translate('There is currently more than one icinga instance writing to the IDO. You\'ll see all objects from all' . ' instances without any differentation. If this is not desired, consider setting up a separate IDO' . ' for each instance.'));
return false;
}
return true;
}
/**
* Validate the configuration by creating a backend and requesting the user count
*
* @param Form $form The form to fetch the configuration values from
*
* @return bool Whether validation succeeded or not
*/
public static function isValidUserBackend(Form $form)
{
try {
$ldapUserBackend = UserBackend::create(null, new ConfigObject($form->getValues()));
$ldapUserBackend->assertAuthenticationPossible();
} catch (AuthenticationException $e) {
if (($previous = $e->getPrevious()) !== null) {
$form->addError($previous->getMessage());
} else {
$form->addError($e->getMessage());
}
return false;
} catch (Exception $e) {
$form->addError(sprintf($form->translate('Unable to validate authentication: %s'), $e->getMessage()));
return false;
}
return true;
}
/**
* Validate the ido instance availability
*
* @param Form $form
* @param ConfigObject $resourceConfig
*
* @return bool Whether validation succeeded or not
*/
public static function isValidIdoInstance(Form $form, ConfigObject $resourceConfig)
{
$resource = ResourceFactory::createResource($resourceConfig);
$result = $resource->select()->from('icinga_instances', array('instance_name'));
$instances = $result->fetchAll();
if (count($instances) === 1) {
return true;
} elseif (count($instances) > 1) {
$form->warning($form->translate('IDO instance validation failed, because there are multiple instances available.'));
return false;
}
$form->error($form->translate('IDO instance validation failed, because there is no IDO instance available.'));
return false;
}
