Allow the server config to be reloaded.

web/pgadmin/browser/server_groups/servers/__init__.py

@@ -179,6 +179,8 @@ class ServerNode(PGChildNodeView):
         'dependent': [{'get': 'dependents'}],
         'children': [{'get': 'children'}],
         'module.js': [{}, {}, {'get': 'module_js'}],
+        'reload':
+            [{'get': 'reload_configuration'}],
         'connect': [{
             'get': 'connect_status', 'post': 'connect', 'delete': 'disconnect'
             }]
@@ -755,5 +757,29 @@ class ServerNode(PGChildNodeView):
                         }
                     )
 
+    def reload_configuration(self, gid, sid):
+        """Reload the server configuration"""
+
+        # Reload the server configurations
+        from pgadmin.utils.driver import get_driver
+        manager = get_driver(PG_DEFAULT_DRIVER).connection_manager(sid)
+        conn = manager.connection()
+
+        if conn.connected():
+            # Execute the command for reload configuration for the server
+            status, rid = conn.execute_scalar("SELECT pg_reload_conf();")
+
+            if not status:
+                return internal_server_error(
+                        gettext("Could not reload the server configuration.")
+                        )
+            else:
+                return make_json_response(data={'status': True,
+                                            'result': gettext('Server configuration reloaded.')})
+
+        else:
+            return make_json_response(data={'status': False,
+                                            'result': gettext('Not connected to the server or the connection to the server has been closed.')})
+
 
 ServerNode.register_node_view(blueprint)

web/pgadmin/browser/server_groups/servers/templates/servers/servers.js

@@ -39,6 +39,12 @@ function($, _, S, pgAdmin, pgBrowser, alertify) {
           applies: ['object', 'context'], callback: 'disconnect_server',
           category: 'drop', priority: 5, label: '{{ _('Disconnect Server...') }}',
           icon: 'fa fa-chain-broken', enable : 'is_connected'
+        },
+        {
+          name: 'reload_configuration', node: 'server', module: this,
+          applies: ['tools', 'context'], callback: 'reload_configuration',
+          category: 'reload', priority: 6, label: '{{ _('Reload Configuration...') }}',
+          icon: 'fa fa-repeat', enable : 'is_connected'
         }]);
 
         pgBrowser.messages['PRIV_GRANTEE_NOT_SPECIFIED'] =
@@ -144,6 +150,49 @@ function($, _, S, pgAdmin, pgBrowser, alertify) {
           pgBrowser.serverInfo[data._id] = _.extend({}, data);
 
           return true;
+        },
+        /* Reload configuration */
+        reload_configuration: function(args){
+          var input = args || {};
+          obj = this,
+          t = pgBrowser.tree,
+          i = input.item || t.selected(),
+          d = i && i.length == 1 ? t.itemData(i) : undefined;
+
+          if (!d)
+            return false;
+
+          alertify.confirm(
+            '{{ _('Reload server configuration') }}',
+            S('{{ _('Are you sure you want to reload the server configuration on %%s?') }}').sprintf(d.label).value(),
+            function(evt) {
+              $.ajax({
+                url: obj.generate_url(i, 'reload', d, true),
+                method:'GET',
+                success: function(res) {
+                  if (res.data.status) {
+                    alertify.success(res.data.result);
+                  }
+                  else {
+                    alertify.error(res.data.result);
+                  }
+                },
+                error: function(xhr, status, error) {
+                  try {
+                    var err = $.parseJSON(xhr.responseText);
+                    if (err.success == 0) {
+                      alertify.error(err.errormsg);
+                    }
+                  } catch (e) {}
+                  t.unload(i);
+                }
+              });
+          },
+          function(evt) {
+              return true;
+          });
+
+          return false;
         }
       },
       model: pgAdmin.Browser.Node.Model.extend({