Mostly modernize daemon detail views

Summary:
Ref T3557. The major goals here are:

  - Modernize use of UI elements.
  - Present daemon status with more clarity. Particularly, the "Waiting" status is called out and explained in detail.

Test Plan:
{F51247}

{F51248}

Reviewers: btrahan

Reviewed By: btrahan

CC: aran

Maniphest Tasks: T3557

Differential Revision: https://secure.phabricator.com/D6541

src/__phutil_library_map__.php

@@ -1026,6 +1026,7 @@ phutil_register_library_map(array(
     'PhabricatorDaemonLogEventsView' => 'applications/daemon/view/PhabricatorDaemonLogEventsView.php',
     'PhabricatorDaemonLogListController' => 'applications/daemon/controller/PhabricatorDaemonLogListController.php',
     'PhabricatorDaemonLogListView' => 'applications/daemon/view/PhabricatorDaemonLogListView.php',
+    'PhabricatorDaemonLogQuery' => 'applications/daemon/query/PhabricatorDaemonLogQuery.php',
     'PhabricatorDaemonLogViewController' => 'applications/daemon/controller/PhabricatorDaemonLogViewController.php',
     'PhabricatorDaemonManagementDebugWorkflow' => 'applications/daemon/management/PhabricatorDaemonManagementDebugWorkflow.php',
     'PhabricatorDaemonManagementLaunchWorkflow' => 'applications/daemon/management/PhabricatorDaemonManagementLaunchWorkflow.php',

src/applications/daemon/controller/PhabricatorDaemonLogViewController.php

@@ -22,64 +22,146 @@ final class PhabricatorDaemonLogViewController
       'logID = %d ORDER BY id DESC LIMIT 1000',
       $log->getID());
 
-    $content = array();
+    $crumbs = $this->buildApplicationCrumbs();
+    $crumbs->addCrumb(
+      id(new PhabricatorCrumbView())
+        ->setName(pht('Daemon %s', $log->getID())));
 
-    $argv = $log->getArgv();
-    if (is_array($argv)) {
-      $argv = implode("\n", $argv);
+    $header = id(new PhabricatorHeaderView())
+      ->setHeader($log->getDaemon());
+
+    $tag = id(new PhabricatorTagView())
+      ->setType(PhabricatorTagView::TYPE_STATE);
+
+    $status = $log->getStatus();
+    switch ($status) {
+      case PhabricatorDaemonLog::STATUS_UNKNOWN:
+        $tag->setBackgroundColor(PhabricatorTagView::COLOR_ORANGE);
+        $tag->setName(pht('Unknown'));
+        break;
+      case PhabricatorDaemonLog::STATUS_RUNNING:
+        $tag->setBackgroundColor(PhabricatorTagView::COLOR_GREEN);
+        $tag->setName(pht('Running'));
+        break;
+      case PhabricatorDaemonLog::STATUS_DEAD:
+        $tag->setBackgroundColor(PhabricatorTagView::COLOR_RED);
+        $tag->setName(pht('Dead'));
+        break;
+      case PhabricatorDaemonLog::STATUS_WAIT:
+        $tag->setBackgroundColor(PhabricatorTagView::COLOR_BLUE);
+        $tag->setName(pht('Waiting'));
+        break;
+      case PhabricatorDaemonLog::STATUS_EXITED:
+        $tag->setBackgroundColor(PhabricatorTagView::COLOR_GREY);
+        $tag->setName(pht('Exited'));
+        break;
     }
 
-    $form = id(new AphrontFormView())
+    $header->addTag($tag);
+
+    $properties = $this->buildPropertyListView($log);
+
+    $event_view = id(new PhabricatorDaemonLogEventsView())
       ->setUser($user)
-      ->appendChild(
-        id(new AphrontFormStaticControl())
-          ->setLabel(pht('Daemon'))
-          ->setValue($log->getDaemon()))
-      ->appendChild(
-        id(new AphrontFormStaticControl())
-          ->setLabel(pht('Host'))
-          ->setValue($log->getHost()))
-      ->appendChild(
-        id(new AphrontFormStaticControl())
-          ->setLabel(pht('PID'))
-          ->setValue($log->getPID()))
-      ->appendChild(
-        id(new AphrontFormStaticControl())
-          ->setLabel(pht('Started'))
-          ->setValue(
-            phabricator_datetime($log->getDateCreated(), $user)))
-      ->appendChild(
-        id(new AphrontFormTextAreaControl())
-          ->setLabel(pht('Argv'))
-          ->setValue($argv));
+      ->setEvents($events);
 
-    $panel = new AphrontPanelView();
-    $panel->setHeader(pht('Daemon Details'));
-    $panel->setNoBackground();
-    $panel->appendChild($form);
-
-    $content[] = $panel;
-
-    $event_view = new PhabricatorDaemonLogEventsView();
-    $event_view->setUser($user);
-    $event_view->setEvents($events);
-
-    $log_panel = new AphrontPanelView();
-    $log_panel->setHeader(pht('Daemon Logs'));
-    $log_panel->setNoBackground();
-    $log_panel->appendChild($event_view);
-
-    $content[] = $log_panel;
-
-    $nav = $this->buildSideNavView();
-    $nav->selectFilter('log');
-    $nav->appendChild($content);
+    $event_panel = new AphrontPanelView();
+    $event_panel->setNoBackground();
+    $event_panel->appendChild($event_view);
 
     return $this->buildApplicationPage(
-      $nav,
+      array(
+        $crumbs,
+        $header,
+        $properties,
+        $event_panel,
+      ),
       array(
         'title' => pht('Daemon Log'),
       ));
   }
 
+  private function buildPropertyListView(PhabricatorDaemonLog $daemon) {
+    $request = $this->getRequest();
+    $viewer = $request->getUser();
+
+    $view = id(new PhabricatorPropertyListView())
+      ->setUser($viewer);
+
+    $c_epoch = $daemon->getDateCreated();
+    $u_epoch = $daemon->getDateModified();
+
+    $unknown_time = PhabricatorDaemonLogQuery::getTimeUntilUnknown();
+    $dead_time = PhabricatorDaemonLogQuery::getTimeUntilDead();
+
+    $details = null;
+    $status = $daemon->getStatus();
+    switch ($status) {
+      case PhabricatorDaemonLog::STATUS_RUNNING:
+        $details = pht(
+          'This daemon is running normally and reported a status update '.
+          'recently (within %s).',
+          phabricator_format_relative_time($unknown_time));
+        break;
+      case PhabricatorDaemonLog::STATUS_UNKNOWN:
+        $details = pht(
+          'This daemon has not reported a status update recently (within %s). '.
+          'It may have exited abruptly. After %s, it will be presumed dead.',
+          phabricator_format_relative_time($unknown_time),
+          phabricator_format_relative_time($dead_time));
+        break;
+      case PhabricatorDaemonLog::STATUS_DEAD:
+        $details = pht(
+          'This daemon did not report a status update for %s. It is '.
+          'presumed dead. Usually, this indicates that the daemon was '.
+          'killed or otherwise exited abruptly with an error. You may '.
+          'need to restart it.',
+          phabricator_format_relative_time($dead_time));
+        break;
+      case PhabricatorDaemonLog::STATUS_WAIT:
+        $details = pht(
+          'This daemon is running normally and reported a status update '.
+          'recently (within %s). However, it encountered an error while '.
+          'doing work and is waiting a little while to resume processing. '.
+          'After encountering an error, daemons wait before resuming work '.
+          'to avoid overloading services.',
+          phabricator_format_relative_time($unknown_time));
+        break;
+      case PhabricatorDaemonLog::STATUS_EXITED:
+        $details = pht(
+          'This daemon exited normally and is no longer running.');
+        break;
+    }
+
+    $view->addProperty(pht('Status Details'), $details);
+
+    $view->addProperty(pht('Daemon Class'), $daemon->getDaemon());
+    $view->addProperty(pht('Host'), $daemon->getHost());
+    $view->addProperty(pht('PID'), $daemon->getPID());
+    $view->addProperty(pht('Started'), phabricator_datetime($c_epoch, $viewer));
+    $view->addProperty(
+      pht('Seen'),
+      pht(
+        '%s ago (%s)',
+        phabricator_format_relative_time(time() - $u_epoch),
+        phabricator_datetime($u_epoch, $viewer)));
+
+    $argv = $daemon->getArgv();
+    if (is_array($argv)) {
+      $argv = implode("\n", $argv);
+    }
+
+    $view->addProperty(
+      pht('Argv'),
+      phutil_tag(
+        'textarea',
+        array(
+          'style'   => 'width: 100%; height: 12em;',
+        ),
+        $argv));
+
+
+    return $view;
+  }
+
 }

src/applications/daemon/query/PhabricatorDaemonLogQuery.php

@@ -0,0 +1,13 @@
+<?php
+
+final class PhabricatorDaemonLogQuery {
+
+  public static function getTimeUntilUnknown() {
+    return 3 * PhutilDaemonOverseer::HEARTBEAT_WAIT;
+  }
+
+  public static function getTimeUntilDead() {
+    return 30 * PhutilDaemonOverseer::HEARTBEAT_WAIT;
+  }
+
+}

src/applications/daemon/view/PhabricatorDaemonLogListView.php

@@ -22,8 +22,8 @@ final class PhabricatorDaemonLogListView extends AphrontView {
 
       // TODO: VVV Move this stuff to a Query class. VVV
 
-      $expect_heartbeat = (3 * PhutilDaemonOverseer::HEARTBEAT_WAIT);
-      $assume_dead = (30 * PhutilDaemonOverseer::HEARTBEAT_WAIT);
+      $expect_heartbeat = PhabricatorDaemonLogQuery::getTimeUntilUnknown();
+      $assume_dead = PhabricatorDaemonLogQuery::getTimeUntilDead();
 
       $status_running = PhabricatorDaemonLog::STATUS_RUNNING;
       $status_unknown = PhabricatorDaemonLog::STATUS_UNKNOWN;