Add number of cores used by RabbitMQ nodes to the management overview.

Also remove the deprectated node type field from the UI to reclaim
some screen estate.

RAM nodes are deprecated and almost never used.

Author: kjnilsson

deps/rabbitmq_management/priv/www/api/index.html

@@ -2068,6 +2068,12 @@ <h2>/api/nodes</h2>
           Time since the Erlang VM started, in milliseconds.
         </td>
       </tr>
+      <tr>
+        <td><code>processors</code></td>
+        <td>
+          Number of logical CPU cores used by RabbitMQ.
+        </td>
+      </tr>
     </table>
 
     <h2>/api/nodes/(name)</h2>

deps/rabbitmq_management/priv/www/js/global.js

@@ -141,6 +141,7 @@ var ALL_COLUMNS =
                      ['memory',             'Memory',             true],
                      ['disk_space',         'Disk space',         true]],
       'General': [['uptime',    'Uptime',       true],
+                  ['cores',     'Cores',        true],
                   ['info',      'Info',         true],
                   ['reset_stats',     'Reset stats',        true]]}};
 

deps/rabbitmq_management/priv/www/js/tmpl/node.ejs

@@ -23,22 +23,16 @@
       <th>Uptime</th>
       <td><%= fmt_uptime(node.uptime) %></td>
     </tr>
+    <tr>
+      <th>Cores</th>
+      <td><%= fmt_string(node.processors) %></td>
+    </tr>
 <% if (rabbit_versions_interesting) { %>
     <tr>
       <th>RabbitMQ Version</th>
       <td><%= fmt_rabbit_version(node.applications) %></td>
     </tr>
 <% } %>
-    <tr>
-      <th>Type</th>
-      <td>
-       <% if (node.type == 'disc') { %>
-         <abbr title="Broker definitions are held on disc.">Disc</abbr>
-       <% } else { %>
-         <abbr title="Broker definitions are held in RAM. Messages will still be written to disc if necessary.">RAM</abbr>
-       <% } %>
-      </td>
-    </tr>
     <tr>
       <th>
         <a href="https://www.rabbitmq.com/configure.html" target="_blank">Config file</a>

deps/rabbitmq_management/priv/www/js/tmpl/overview.ejs

@@ -99,6 +99,9 @@
   <% if (show_column('overview', 'uptime')) { %>
     <th>Uptime</th>
   <% } %>
+  <% if (show_column('overview', 'cores')) { %>
+    <th>Cores</th>
+  <% } %>
   <% if (show_column('overview', 'info')) { %>
     <th>Info</th>
   <% } %>
@@ -188,17 +191,15 @@
   <% if (show_column('overview', 'uptime')) { %>
      <td><span><%= fmt_uptime(node.uptime) %></span></td>
   <% } %>
+  <% if (show_column('overview', 'cores')) { %>
+     <td><span><%= fmt_string(node.processors) %></span></td>
+  <% } %>
   <% if (show_column('overview', 'info')) { %>
      <td>
        <% if (node.being_drained) { %>
          <abbr class="status-yellow" title="Node was put under maintenance">maintenance mode</abbr>
        <% } %>
          <abbr title="Message rates"><%= fmt_string(node.rates_mode) %></abbr>
-       <% if (node.type == 'disc') { %>
-         <abbr title="Broker definitions are held on disc.">disc</abbr>
-       <% } else { %>
-         <abbr title="Broker definitions are held in RAM. Messages will still be written to disc if necessary.">RAM</abbr>
-       <% } %>
        <%= fmt_plugins_small(node) %>
         <abbr title="Memory calculation strategy"><%= fmt_string(node.mem_calculation_strategy) %></abbr>
      </td>