PLT-2899 adding clustering of app servers (#3682)

* PLT-2899 adding clustering of app servers

* PLT-2899 base framework

* PLT-2899 HA backend

* PLT-2899 Fixing config file

* PLT-2899 adding config syncing

* PLT-2899 set System console to readonly when clustering enabled.

* PLT-2899 Fixing publish API

* PLT-2899 fixing strings

webapp/components/admin_console/cluster_table_container.jsx

@@ -0,0 +1,71 @@
+// Copyright (c) 2016 Mattermost, Inc. All Rights Reserved.
+// See License.txt for license information.
+
+import React from 'react';
+import ClusterTable from './cluster_table.jsx';
+import LoadingScreen from '../loading_screen.jsx';
+import Client from 'client/web_client.jsx';
+import * as AsyncClient from 'utils/async_client.jsx';
+
+export default class ClusterTableContainer extends React.Component {
+    constructor(props) {
+        super(props);
+
+        this.interval = null;
+
+        this.state = {
+            clusterInfos: null
+        };
+    }
+
+    load = () => {
+        Client.getClusterStatus(
+            (data) => {
+                this.setState({
+                    clusterInfos: data
+                });
+            },
+            (err) => {
+                AsyncClient.dispatchError(err, 'getClusterStatus');
+            }
+        );
+    }
+
+    componentWillMount() {
+        this.load();
+
+        // reload the cluster status every 15 seconds
+        this.interval = setInterval(this.load, 15000);
+    }
+
+    componentWillUnmount() {
+        if (this.interval) {
+            clearInterval(this.interval);
+        }
+    }
+
+    reload = (e) => {
+        if (e) {
+            e.preventDefault();
+        }
+
+        this.setState({
+            clusterInfos: null
+        });
+
+        this.load();
+    }
+
+    render() {
+        if (this.state.clusterInfos == null) {
+            return (<LoadingScreen/>);
+        }
+
+        return (
+            <ClusterTable
+                clusterInfos={this.state.clusterInfos}
+                reload={this.reload}
+            />
+        );
+    }
+}