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   1  <?php
   2  
   3  final class PhabricatorDaemonLogViewController
   4    extends PhabricatorDaemonController {
   5  
   6    private $id;
   7  
   8    public function willProcessRequest(array $data) {
   9      $this->id = $data['id'];
  10    }
  11  
  12    public function processRequest() {
  13      $request = $this->getRequest();
  14      $user = $request->getUser();
  15  
  16      $log = id(new PhabricatorDaemonLogQuery())
  17        ->setViewer($user)
  18        ->withIDs(array($this->id))
  19        ->setAllowStatusWrites(true)
  20        ->executeOne();
  21      if (!$log) {
  22        return new Aphront404Response();
  23      }
  24  
  25      $events = id(new PhabricatorDaemonLogEvent())->loadAllWhere(
  26        'logID = %d ORDER BY id DESC LIMIT 1000',
  27        $log->getID());
  28  
  29      $crumbs = $this->buildApplicationCrumbs();
  30      $crumbs->addTextCrumb(pht('Daemon %s', $log->getID()));
  31  
  32      $header = id(new PHUIHeaderView())
  33        ->setHeader($log->getDaemon());
  34  
  35      $tag = id(new PHUITagView())
  36        ->setType(PHUITagView::TYPE_STATE);
  37  
  38      $status = $log->getStatus();
  39      switch ($status) {
  40        case PhabricatorDaemonLog::STATUS_UNKNOWN:
  41          $tag->setBackgroundColor(PHUITagView::COLOR_ORANGE);
  42          $tag->setName(pht('Unknown'));
  43          break;
  44        case PhabricatorDaemonLog::STATUS_RUNNING:
  45          $tag->setBackgroundColor(PHUITagView::COLOR_GREEN);
  46          $tag->setName(pht('Running'));
  47          break;
  48        case PhabricatorDaemonLog::STATUS_DEAD:
  49          $tag->setBackgroundColor(PHUITagView::COLOR_RED);
  50          $tag->setName(pht('Dead'));
  51          break;
  52        case PhabricatorDaemonLog::STATUS_WAIT:
  53          $tag->setBackgroundColor(PHUITagView::COLOR_BLUE);
  54          $tag->setName(pht('Waiting'));
  55          break;
  56        case PhabricatorDaemonLog::STATUS_EXITING:
  57          $tag->setBackgroundColor(PHUITagView::COLOR_YELLOW);
  58          $tag->setName(pht('Exiting'));
  59          break;
  60        case PhabricatorDaemonLog::STATUS_EXITED:
  61          $tag->setBackgroundColor(PHUITagView::COLOR_GREY);
  62          $tag->setName(pht('Exited'));
  63          break;
  64      }
  65  
  66      $header->addTag($tag);
  67      $env_hash = PhabricatorEnv::calculateEnvironmentHash();
  68      if ($log->getEnvHash() != $env_hash) {
  69        $tag = id(new PHUITagView())
  70          ->setType(PHUITagView::TYPE_STATE)
  71          ->setBackgroundColor(PHUITagView::COLOR_YELLOW)
  72          ->setName(pht('Stale Config'));
  73        $header->addTag($tag);
  74      }
  75  
  76      $properties = $this->buildPropertyListView($log);
  77  
  78      $event_view = id(new PhabricatorDaemonLogEventsView())
  79        ->setUser($user)
  80        ->setEvents($events);
  81  
  82      $event_panel = new AphrontPanelView();
  83      $event_panel->setNoBackground();
  84      $event_panel->appendChild($event_view);
  85  
  86      $object_box = id(new PHUIObjectBoxView())
  87        ->setHeader($header)
  88        ->addPropertyList($properties);
  89  
  90      return $this->buildApplicationPage(
  91        array(
  92          $crumbs,
  93          $object_box,
  94          $event_panel,
  95        ),
  96        array(
  97          'title' => pht('Daemon Log'),
  98          'device' => false,
  99        ));
 100    }
 101  
 102    private function buildPropertyListView(PhabricatorDaemonLog $daemon) {
 103      $request = $this->getRequest();
 104      $viewer = $request->getUser();
 105  
 106      $view = id(new PHUIPropertyListView())
 107        ->setUser($viewer);
 108  
 109      $id = $daemon->getID();
 110      $c_epoch = $daemon->getDateCreated();
 111      $u_epoch = $daemon->getDateModified();
 112  
 113      $unknown_time = PhabricatorDaemonLogQuery::getTimeUntilUnknown();
 114      $dead_time = PhabricatorDaemonLogQuery::getTimeUntilDead();
 115      $wait_time = PhutilDaemonOverseer::RESTART_WAIT;
 116  
 117      $details = null;
 118      $status = $daemon->getStatus();
 119      switch ($status) {
 120        case PhabricatorDaemonLog::STATUS_RUNNING:
 121          $details = pht(
 122            'This daemon is running normally and reported a status update '.
 123            'recently (within %s).',
 124            phutil_format_relative_time($unknown_time));
 125          break;
 126        case PhabricatorDaemonLog::STATUS_UNKNOWN:
 127          $details = pht(
 128            'This daemon has not reported a status update recently (within %s). '.
 129            'It may have exited abruptly. After %s, it will be presumed dead.',
 130            phutil_format_relative_time($unknown_time),
 131            phutil_format_relative_time($dead_time));
 132          break;
 133        case PhabricatorDaemonLog::STATUS_DEAD:
 134          $details = pht(
 135            'This daemon did not report a status update for %s. It is '.
 136            'presumed dead. Usually, this indicates that the daemon was '.
 137            'killed or otherwise exited abruptly with an error. You may '.
 138            'need to restart it.',
 139            phutil_format_relative_time($dead_time));
 140          break;
 141        case PhabricatorDaemonLog::STATUS_WAIT:
 142          $details = pht(
 143            'This daemon is running normally and reported a status update '.
 144            'recently (within %s). However, it encountered an error while '.
 145            'doing work and is waiting a little while (%s) to resume '.
 146            'processing. After encountering an error, daemons wait before '.
 147            'resuming work to avoid overloading services.',
 148            phutil_format_relative_time($unknown_time),
 149            phutil_format_relative_time($wait_time));
 150          break;
 151        case PhabricatorDaemonLog::STATUS_EXITING:
 152          $details = pht(
 153            'This daemon is shutting down gracefully.');
 154          break;
 155        case PhabricatorDaemonLog::STATUS_EXITED:
 156          $details = pht(
 157            'This daemon exited normally and is no longer running.');
 158          break;
 159      }
 160  
 161      $view->addProperty(pht('Status Details'), $details);
 162  
 163      $view->addProperty(pht('Daemon Class'), $daemon->getDaemon());
 164      $view->addProperty(pht('Host'), $daemon->getHost());
 165      $view->addProperty(pht('PID'), $daemon->getPID());
 166      $view->addProperty(pht('Started'), phabricator_datetime($c_epoch, $viewer));
 167      $view->addProperty(
 168        pht('Seen'),
 169        pht(
 170          '%s ago (%s)',
 171          phutil_format_relative_time(time() - $u_epoch),
 172          phabricator_datetime($u_epoch, $viewer)));
 173  
 174      $argv = $daemon->getArgv();
 175      if (is_array($argv)) {
 176        $argv = implode("\n", $argv);
 177      }
 178  
 179      $view->addProperty(
 180        pht('Argv'),
 181        phutil_tag(
 182          'textarea',
 183          array(
 184            'style'   => 'width: 100%; height: 12em;',
 185          ),
 186          $argv));
 187  
 188      $view->addProperty(
 189        pht('View Full Logs'),
 190        phutil_tag(
 191          'tt',
 192          array(),
 193          "phabricator/ $ ./bin/phd log --id {$id}"));
 194  
 195  
 196      return $view;
 197    }
 198  
 199  }