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| 1 | <?php |
| 2 | |
| 3 | namespace BO\Zmsclient; |
| 4 | |
| 5 | use Fig\Http\Message\StatusCodeInterface; |
| 6 | use Psr\Http\Message\ResponseInterface; |
| 7 | |
| 8 | /** |
| 9 | * Healthcheck concerning the API |
| 10 | */ |
| 11 | class Status |
| 12 | { |
| 13 | /** |
| 14 | * throws exception on critical status variables |
| 15 | * @SuppressWarnings(Complexity) |
| 16 | */ |
| 17 | public static function testStatus(ResponseInterface $response, $status) |
| 18 | { |
| 19 | $result = ''; |
| 20 | if ($status instanceof \Closure) { |
| 21 | try { |
| 22 | $status = $status(); |
| 23 | } catch (\Exception $exception) { |
| 24 | $status = false; |
| 25 | $result = "FATAL - " . $exception->getMessage(); |
| 26 | } |
| 27 | } |
| 28 | if ($status && !$result) { |
| 29 | $result = []; |
| 30 | $result[] = self::getDldbUpdateStats($status); |
| 31 | |
| 32 | if ($status['mail']['oldestSeconds'] > 300) { |
| 33 | $result[] = "WARN - Oldest mail with age in seconds: " |
| 34 | . $status['mail']['oldestSeconds'] . 's'; |
| 35 | } |
| 36 | if ($status['notification']['oldestSeconds'] > 300) { |
| 37 | $result[] = "WARN - Oldest sms with age in seconds: " |
| 38 | . $status['notification']['oldestSeconds'] . 's'; |
| 39 | } |
| 40 | if ($status['database']['logbin'] != 'ON') { |
| 41 | $result[] = "WARN - DB connection without replication log detected"; |
| 42 | } |
| 43 | if ($status['database']['clusterStatus'] == 'OFF') { |
| 44 | $result[] = "WARN - DB connection is not part of a galera cluster"; |
| 45 | } |
| 46 | if ($status['database']['locks'] > 10) { |
| 47 | $result[] = "WARN - High amount of DB-Locks: " . $status['database']['locks']; |
| 48 | } |
| 49 | if ($status['database']['threads'] > 30) { |
| 50 | $result[] = "WARN - High amount of DB-Threads: " . $status['database']['threads']; |
| 51 | } |
| 52 | if ($status['database']['nodeConnections'] > 50) { |
| 53 | $result[] = "WARN - DB connected thread over 50% of available connections"; |
| 54 | } |
| 55 | if ( |
| 56 | isset($status['processes']) |
| 57 | && isset($status['processes']['lastCalculate']) |
| 58 | && time() - strtotime($status['processes']['lastCalculate']) > 600 |
| 59 | ) { |
| 60 | $slotOutdate = |
| 61 | time() - strtotime($status['processes']['lastCalculate']); |
| 62 | $result[] = "WARN - slot calculation is $slotOutdate seconds old"; |
| 63 | } |
| 64 | $result = preg_grep('/./', $result); |
| 65 | if (!count($result)) { |
| 66 | $result = "OK - " |
| 67 | . "DB=" . $status['database']['nodeConnections'] . "%" |
| 68 | . " Threads=" . $status['database']['threads'] |
| 69 | . " Locks=" . $status['database']['locks'] |
| 70 | ; |
| 71 | } else { |
| 72 | $result = implode('; ', $result); |
| 73 | } |
| 74 | } |
| 75 | |
| 76 | $response->getBody()->write($result); |
| 77 | $response = $response->withHeader('Content-Type', 'text/plain'); |
| 78 | |
| 79 | if (strpos($result, 'CRIT') !== false || strpos($result, 'FATAL') !== false) { |
| 80 | $response = $response->withStatus( |
| 81 | StatusCodeInterface::STATUS_INTERNAL_SERVER_ERROR, |
| 82 | 'The Server is in a bad condition.' |
| 83 | ); |
| 84 | } |
| 85 | |
| 86 | return $response; |
| 87 | } |
| 88 | |
| 89 | public static function getDldbUpdateStats($status) |
| 90 | { |
| 91 | $result = ''; |
| 92 | if (isset($status['sources'])) { |
| 93 | $now = new \DateTimeImmutable(); |
| 94 | $lastDldbUpdate = new \DateTimeImmutable($status['sources']['dldb']['last']); |
| 95 | if ( |
| 96 | ($lastDldbUpdate->getTimestamp() + 7200) < $now->getTimestamp() && |
| 97 | ($lastDldbUpdate->getTimestamp() + 14400) > $now->getTimestamp() |
| 98 | ) { |
| 99 | $result = "WARN - Last DLDB Import is more then 2 hours ago"; |
| 100 | } elseif (($lastDldbUpdate->getTimestamp() + 14400) < $now->getTimestamp()) { |
| 101 | $result = "CRIT - Last DLDB Import is more then 4 hours ago"; |
| 102 | } |
| 103 | } |
| 104 | return $result; |
| 105 | } |
| 106 | } |