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Diffstat (limited to 'library/Icingadb/Common/ObjectInspectionDetail.php')
| -rw-r--r-- | library/Icingadb/Common/ObjectInspectionDetail.php | 348 |
1 files changed, 348 insertions, 0 deletions
diff --git a/library/Icingadb/Common/ObjectInspectionDetail.php b/library/Icingadb/Common/ObjectInspectionDetail.php new file mode 100644 index 0000000..b30797b --- /dev/null +++ b/library/Icingadb/Common/ObjectInspectionDetail.php @@ -0,0 +1,348 @@ +<?php + +/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */ + +namespace Icinga\Module\Icingadb\Common; + +use DateTime; +use DateTimeZone; +use Exception; +use Icinga\Exception\IcingaException; +use Icinga\Exception\Json\JsonDecodeException; +use Icinga\Module\Icingadb\Model\Host; +use Icinga\Module\Icingadb\Model\Service; +use Icinga\Module\Icingadb\Widget\Detail\CustomVarTable; +use Icinga\Util\Format; +use Icinga\Util\Json; +use InvalidArgumentException; +use ipl\Html\BaseHtmlElement; +use ipl\Html\FormattedString; +use ipl\Html\HtmlElement; +use ipl\Html\Table; +use ipl\Html\Text; +use ipl\Orm\Model; +use ipl\Web\Widget\CopyToClipboard; +use ipl\Web\Widget\EmptyState; + +abstract class ObjectInspectionDetail extends BaseHtmlElement +{ + protected $tag = 'div'; + + protected $defaultAttributes = ['class' => ['object-detail', 'inspection-detail']]; + + /** @var Model */ + protected $object; + + /** @var array */ + protected $attrs; + + /** @var array */ + protected $joins; + + public function __construct(Model $object, array $apiResult) + { + $this->object = $object; + $this->attrs = $apiResult['attrs']; + $this->joins = $apiResult['joins']; + } + + /** + * Render the object source location + * + * @return ?array + */ + protected function createSourceLocation() + { + if (! isset($this->attrs['source_location'])) { + return; + } + + return [ + new HtmlElement('h2', null, Text::create(t('Source Location'))), + FormattedString::create( + t('You can find this object in %s on line %s.'), + new HtmlElement('strong', null, Text::create($this->attrs['source_location']['path'])), + new HtmlElement('strong', null, Text::create($this->attrs['source_location']['first_line'])) + ) + ]; + } + + /** + * Render object's last check result + * + * @return ?array + */ + protected function createLastCheckResult() + { + if (! isset($this->attrs['last_check_result'])) { + return; + } + + $command = $this->attrs['last_check_result']['command']; + if (is_array($command)) { + $command = join(' ', array_map('escapeshellarg', $command)); + } + + $denylist = [ + 'command', + 'output', + 'type', + 'active' + ]; + + if ($command) { + $execCommand = new HtmlElement('pre', null, Text::create($command)); + CopyToClipboard::attachTo($execCommand); + } else { + $execCommand = new EmptyState(t('n. a.')); + } + + return [ + new HtmlElement('h2', null, Text::create(t('Executed Command'))), + $execCommand, + new HtmlElement('h2', null, Text::create(t('Execution Details'))), + $this->createNameValueTable( + array_diff_key($this->attrs['last_check_result'], array_flip($denylist)), + [ + 'execution_end' => [$this, 'formatTimestamp'], + 'execution_start' => [$this, 'formatTimestamp'], + 'schedule_end' => [$this, 'formatTimestamp'], + 'schedule_start' => [$this, 'formatTimestamp'], + 'ttl' => [$this, 'formatSeconds'], + 'state' => [$this, 'formatState'] + ] + ) + ]; + } + + protected function createRedisInfo(): array + { + $title = new HtmlElement('h2', null, Text::create(t('Volatile State Details'))); + + try { + $json = IcingaRedis::instance()->getConnection() + ->hGet("icinga:{$this->object->getTableName()}:state", bin2hex($this->object->id)); + } catch (Exception $e) { + return [$title, sprintf('Failed to load redis data: %s', $e->getMessage())]; + } + + if (! $json) { + return [$title, new EmptyState(t('No data available in redis'))]; + } + + try { + $data = Json::decode($json, true); + } catch (JsonDecodeException $e) { + return [$title, sprintf('Failed to decode redis data: %s', $e->getMessage())]; + } + + $denylist = [ + 'commandline', + 'environment_id', + 'id' + ]; + + return [$title, $this->createNameValueTable( + array_diff_key($data, array_flip($denylist)), + [ + 'last_state_change' => [$this, 'formatMillisecondTimestamp'], + 'last_update' => [$this, 'formatMillisecondTimestamp'], + 'next_check' => [$this, 'formatMillisecondTimestamp'], + 'next_update' => [$this, 'formatMillisecondTimestamp'], + 'check_timeout' => [$this, 'formatMilliseconds'], + 'execution_time' => [$this, 'formatMilliseconds'], + 'latency' => [$this, 'formatMilliseconds'], + 'hard_state' => [$this, 'formatState'], + 'previous_soft_state' => [$this, 'formatState'], + 'previous_hard_state' => [$this, 'formatState'], + 'state' => [$this, 'formatState'] + ] + )]; + } + + protected function createAttributes(): array + { + $denylist = [ + 'name', + '__name', + 'host_name', + 'display_name', + 'last_check_result', + 'source_location', + 'templates', + 'package', + 'version', + 'type', + 'active', + 'paused', + 'ha_mode' + ]; + + return [ + new HtmlElement('h2', null, Text::create(t('Object Attributes'))), + $this->createNameValueTable( + array_diff_key($this->attrs, array_flip($denylist)), + [ + 'acknowledgement_expiry' => [$this, 'formatTimestamp'], + 'acknowledgement_last_change' => [$this, 'formatTimestamp'], + 'check_timeout' => [$this, 'formatSeconds'], + 'flapping_last_change' => [$this, 'formatTimestamp'], + 'last_check' => [$this, 'formatTimestamp'], + 'last_hard_state_change' => [$this, 'formatTimestamp'], + 'last_state_change' => [$this, 'formatTimestamp'], + 'last_state_ok' => [$this, 'formatTimestamp'], + 'last_state_up' => [$this, 'formatTimestamp'], + 'last_state_warning' => [$this, 'formatTimestamp'], + 'last_state_critical' => [$this, 'formatTimestamp'], + 'last_state_down' => [$this, 'formatTimestamp'], + 'last_state_unknown' => [$this, 'formatTimestamp'], + 'last_state_unreachable' => [$this, 'formatTimestamp'], + 'next_check' => [$this, 'formatTimestamp'], + 'next_update' => [$this, 'formatTimestamp'], + 'previous_state_change' => [$this, 'formatTimestamp'], + 'check_interval' => [$this, 'formatSeconds'], + 'retry_interval' => [$this, 'formatSeconds'], + 'last_hard_state' => [$this, 'formatState'], + 'last_state' => [$this, 'formatState'], + 'state' => [$this, 'formatState'] + ] + ) + ]; + } + + protected function createCustomVariables() + { + $query = $this->object->customvar + ->columns(['name', 'value']); + + $result = []; + foreach ($query as $row) { + $result[$row->name] = json_decode($row->value, true) ?? $row->value; + } + + if (! empty($result)) { + $vars = new CustomVarTable($result); + } else { + $vars = new EmptyState(t('No custom variables configured.')); + } + + return [ + new HtmlElement('h2', null, Text::create(t('Custom Variables'))), + $vars + ]; + } + + /** + * Format the given value as a json + * + * @param mixed $json + * + * @return BaseHtmlElement|string + */ + private function formatJson($json) + { + if (is_scalar($json)) { + return Json::encode($json, JSON_UNESCAPED_SLASHES); + } + + return new HtmlElement( + 'pre', + null, + Text::create(Json::encode($json, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES)) + ); + } + + /** + * Format the given timestamp + * + * @param int|float|null $ts + * + * @return EmptyState|string + */ + private function formatTimestamp($ts) + { + if (empty($ts)) { + return new EmptyState(t('n. a.')); + } + + if (is_float($ts)) { + $dt = DateTime::createFromFormat('U.u', sprintf('%F', $ts)); + } else { + $dt = (new DateTime())->setTimestamp($ts); + } + + return $dt->setTimezone(new DateTimeZone('UTC')) + ->format('Y-m-d\TH:i:s.vP'); + } + + /** + * Format the given timestamp (in milliseconds) + * + * @param int|float|null $ms + * + * @return EmptyState|string + */ + private function formatMillisecondTimestamp($ms) + { + return $this->formatTimestamp($ms / 1000.0); + } + + private function formatSeconds($s): string + { + return Format::seconds($s); + } + + private function formatMilliseconds($ms): string + { + return Format::seconds($ms / 1000.0); + } + + private function formatState(int $state) + { + try { + switch (true) { + case $this->object instanceof Host: + return HostStates::text($state); + case $this->object instanceof Service: + return ServiceStates::text($state); + default: + return $state; + } + } catch (InvalidArgumentException $_) { + // The Icinga 2 API sometimes delivers strange details + return (string) $state; + } + } + + private function createNameValueTable(array $data, array $formatters): Table + { + $table = new Table(); + $table->addAttributes(['class' => 'name-value-table']); + foreach ($data as $name => $value) { + if (empty($value) && ($value === null || is_string($value) || is_array($value))) { + $value = new EmptyState(t('n. a.')); + } else { + try { + if (isset($formatters[$name])) { + $value = call_user_func($formatters[$name], $value); + } else { + $value = $this->formatJson($value); + + if ($value instanceof BaseHtmlElement) { + CopyToClipboard::attachTo($value); + } + } + } catch (Exception $e) { + $value = new EmptyState(IcingaException::describe($e)); + } + } + + $table->addHtml(Table::tr([ + Table::th($name), + Table::td($value) + ])); + } + + return $table; + } +} |