Add a "Database Cluster Status" console in Config

Summary: Ref T4571. The configuration option still doesn't do anything, but add a status panel for basic setup monitoring. Test Plan: Here's what a good version looks like: {F1212291} Also faked most of the errors it can detect and got helpful diagnostic messages like this: {F1212292} Reviewers: chad Reviewed By: chad Maniphest Tasks: T4571 Differential Revision: https://secure.phabricator.com/D15667
2016-04-09 15:21:29 -07:00
parent 3f51b78539
commit 0439645d5b
6 changed files with 518 additions and 1 deletions
--- a/src/applications/config/controller/PhabricatorConfigClusterDatabasesController.php
+++ b/src/applications/config/controller/PhabricatorConfigClusterDatabasesController.php
@@ -0,0 +1,183 @@
+<?php
+
+final class PhabricatorConfigClusterDatabasesController
+  extends PhabricatorConfigController {
+
+  public function handleRequest(AphrontRequest $request) {
+    $nav = $this->buildSideNavView();
+    $nav->selectFilter('cluster/databases/');
+
+    $title = pht('Cluster Databases');
+
+    $crumbs = $this
+      ->buildApplicationCrumbs($nav)
+      ->addTextCrumb(pht('Cluster Databases'));
+
+    $database_status = $this->buildClusterDatabaseStatus();
+
+    $view = id(new PHUITwoColumnView())
+      ->setNavigation($nav)
+      ->setMainColumn($database_status);
+
+    return $this->newPage()
+      ->setTitle($title)
+      ->setCrumbs($crumbs)
+      ->appendChild($view);
+  }
+
+  private function buildClusterDatabaseStatus() {
+    $viewer = $this->getViewer();
+
+    $databases = PhabricatorDatabaseRef::queryAll();
+    $connection_map = PhabricatorDatabaseRef::getConnectionStatusMap();
+    $replica_map = PhabricatorDatabaseRef::getReplicaStatusMap();
+    Javelin::initBehavior('phabricator-tooltips');
+
+    $rows = array();
+    foreach ($databases as $database) {
+      if ($database->getIsMaster()) {
+        $role_icon = id(new PHUIIconView())
+          ->setIcon('fa-database sky')
+          ->addSigil('has-tooltip')
+          ->setMetadata(
+            array(
+              'tip' => pht('Master'),
+            ));
+      } else {
+        $role_icon = id(new PHUIIconView())
+          ->setIcon('fa-download')
+          ->addSigil('has-tooltip')
+          ->setMetadata(
+            array(
+              'tip' => pht('Replica'),
+            ));
+      }
+
+      if ($database->getDisabled()) {
+        $conn_icon = 'fa-times';
+        $conn_color = 'grey';
+        $conn_label = pht('Disabled');
+      } else {
+        $status = $database->getConnectionStatus();
+
+        $info = idx($connection_map, $status, array());
+        $conn_icon = idx($info, 'icon');
+        $conn_color = idx($info, 'color');
+        $conn_label = idx($info, 'label');
+
+        if ($status === PhabricatorDatabaseRef::STATUS_OKAY) {
+          $latency = $database->getConnectionLatency();
+          $latency = (int)(1000000 * $latency);
+          $conn_label = pht('%s us', new PhutilNumber($latency));
+        }
+      }
+
+      $connection = array(
+        id(new PHUIIconView())->setIcon("{$conn_icon} {$conn_color}"),
+        ' ',
+        $conn_label,
+      );
+
+      if ($database->getDisabled()) {
+        $replica_icon = 'fa-times';
+        $replica_color = 'grey';
+        $replica_label = pht('Disabled');
+      } else {
+        $status = $database->getReplicaStatus();
+
+        $info = idx($replica_map, $status, array());
+        $replica_icon = idx($info, 'icon');
+        $replica_color = idx($info, 'color');
+        $replica_label = idx($info, 'label');
+
+        if ($database->getIsMaster()) {
+          if ($status === PhabricatorDatabaseRef::REPLICATION_OKAY) {
+            $replica_icon = 'fa-database';
+          }
+        } else {
+          switch ($status) {
+            case PhabricatorDatabaseRef::REPLICATION_OKAY:
+            case PhabricatorDatabaseRef::REPLICATION_SLOW:
+              $delay = $database->getReplicaDelay();
+              if ($delay) {
+                $replica_label = pht('%ss Behind', new PhutilNumber($delay));
+              } else {
+                $replica_label = pht('Up to Date');
+              }
+              break;
+          }
+        }
+      }
+
+      $replication = array(
+        id(new PHUIIconView())->setIcon("{$replica_icon} {$replica_color}"),
+        ' ',
+        $replica_label,
+      );
+
+      $messages = array();
+
+      $conn_message = $database->getConnectionMessage();
+      if ($conn_message) {
+        $messages[] = $conn_message;
+      }
+
+      $replica_message = $database->getReplicaMessage();
+      if ($replica_message) {
+        $messages[] = $replica_message;
+      }
+
+      $messages = phutil_implode_html(phutil_tag('br'), $messages);
+
+      $rows[] = array(
+        $role_icon,
+        $database->getHost(),
+        $database->getPort(),
+        $database->getUser(),
+        $connection,
+        $replication,
+        $messages,
+      );
+    }
+
+    $table = id(new AphrontTableView($rows))
+      ->setNoDataString(
+        pht('Phabricator is not configured in cluster mode.'))
+      ->setHeaders(
+        array(
+          null,
+          pht('Host'),
+          pht('Port'),
+          pht('User'),
+          pht('Connection'),
+          pht('Replication'),
+          pht('Messages'),
+        ))
+      ->setColumnClasses(
+        array(
+          null,
+          null,
+          null,
+          null,
+          null,
+          null,
+          'wide',
+        ));
+
+    $doc_href = PhabricatorEnv::getDoclink('Cluster: Databases');
+
+    $header = id(new PHUIHeaderView())
+      ->setHeader(pht('Cluster Database Status'))
+      ->addActionLink(
+        id(new PHUIButtonView())
+          ->setIcon('fa-book')
+          ->setHref($doc_href)
+          ->setTag('a')
+          ->setText(pht('Database Clustering Documentation')));
+
+    return id(new PHUIObjectBoxView())
+      ->setHeader($header)
+      ->setTable($table);
+  }
+
+}