getSection('pnp4nagios'); $this->configDir = rtrim($cfg->get('config_dir', $this->configDir), '/'); $this->baseUrl = rtrim($cfg->get('base_url', $this->baseUrl), '/'); $this->readPnpConfig(); } public function has(MonitoredObject $object) { if ($object instanceof Host) { $service = '_HOST_'; } elseif ($object instanceof Service) { $service = $object->service_description; } else { return false; } $host = $object->host_name; return is_file($this->getXmlFilename($host, $service)); } public function getPreviewHtml(MonitoredObject $object) { if (! $object->process_perfdata) { return ''; } // Skip preview images when missing, for local installations only if (false === strpos($this->baseUrl, '://') && ! $this->has($object)) { return ''; } if ($object instanceof Host) { $service = '_HOST_'; } elseif ($object instanceof Service) { $service = $object->service_description; } else { return ''; } $host = $object->host_name; $html = '' . "\n \n"; $viewKeys = array_reverse(array_keys($this->pnpViews)); foreach ($viewKeys as $view) { $html .= '\n"; } $html .= " \n \n"; foreach ($viewKeys as $view) { $html .= ' \n"; } $html .= "

' . htmlspecialchars($this->getViewName($view)) . "
' . $this->getPreviewImg($host, $service, $view) . "

\n"; return $html; } // Currently unused, but would work fine. This is for tiny preview images // in list views public function getSmallPreviewImage($host, $service = null) { if ($service === null) { $service = '_HOST_'; } return sprintf( '', $this->baseUrl, urlencode($this->pnpClean($host)), urlencode($this->pnpClean($service)) ); } private function listAdditionalConfigFiles() { $files = array(); $base = $this->configDir . '/config'; $file = $base . '_local.php'; if (file_exists($file) && is_readable($file)) { $files[] = $file; } $confd = $base . '.d'; if (is_dir($confd) && is_readable($confd)) { $dh = opendir($confd); while ($file === readdir($dh)) { if ($file[0] === '.') continue; if (substr($file, -4) !== '.php') continue; $filename = $confd . '/' . $file; if (is_file($filename) && is_readable($filename)) { $files[] = $filename; } } closedir($dh); } return $files; } // This reads the PNP4Nagios config and makes it's $conf available private function readPnpConfig() { $file = $this->configDir . '/config.php'; if (! is_readable($file)) { throw new ConfigurationError( sprintf( 'Cannot read PNP4Nagios-Web config file "%s"', $file ) ); } if (! include($file)) { throw new ConfigurationError( sprintf( 'Including PNP4Nagios-Web config "%s" failed', $file ) ); } if (! isset($views)) { $views = array(); } foreach ($this->listAdditionalConfigFiles() as $file) { $oldViews = $views; include $file; if (empty($views)) { $views = $oldViews; } } if (! isset($conf) || ! is_array($conf)) { throw new ConfigurationError( sprintf( 'There is no $conf in your PNP4Nagios config file "%s"', $file ) ); } if (! isset($views) || ! is_array($views)) { throw new ConfigurationError( sprintf( 'There is no $views array in your PNP4Nagios config file "%s"', $file ) ); } if (! array_key_exists('rrdbase', $conf)) { throw new ConfigurationError( sprintf( 'There is no rrdbase in your PNP4Nagios config file "%s"', $file ) ); } $this->pnpConfig = $conf; $this->pnpViews = $views; return $this; } // pnp_Core::clean private function pnpClean($string) { if ($string === false) { return null; } return preg_replace('~[ :/\\\]~', '_', $string); } private function getBasePath($host, $service) { if ($service === null) { $service = '_HOST_'; } return rtrim($this->pnpConfig['rrdbase'], '/') . '/' . $this->pnpClean($host) . '/' . $this->pnpClean($service); } private function getRrdFilename($host, $service) { return $this->getBasePath($host, $service) . '.rrd'; } private function getXmlFilename($host, $service) { return $this->getBasePath($host, $service) . '.xml'; } private function getPreviewImg($host, $service, $view) { $viewName = $this->getViewName($view); $host = $this->pnpClean($host); $service = $this->pnpClean($service); $title = $service === '_HOST_' ? sprintf( '%s, %s', $host, $viewName ) : sprintf( '%s on %s, %s', $service, $host, $viewName ); $url = Url::fromPath('pnp/graph', array( 'host' => $this->pnpClean($host), 'srv' => $this->pnpClean($service), 'view' => $view )); $imgUrl = sprintf( '%s/image?host=%s&srv=%s&view=%d&source=0&w=120&h=30', $this->baseUrl, urlencode($this->pnpClean($host)), urlencode($this->pnpClean($service)), $view ); $html = ''; return sprintf( $html, $url, htmlspecialchars($title), $imgUrl, htmlspecialchars(mt('pnp', 'Loading') . '...') ); } protected function getViewName($view) { return mt('pnp4nagios', $this->pnpViews[$view]['title']); } private function unusedFunctionAllowingToTranslateForeignStrings() { mt('pnp4nagios', '4 Hours'); mt('pnp4nagios', '25 Hours'); mt('pnp4nagios', 'One Week'); mt('pnp4nagios', 'One Month'); mt('pnp4nagios', 'One Year'); } }