Render hostname in UI

client/app/scripts/actions/app-actions.js

@@ -167,6 +167,7 @@ export function receiveTopologies(topologies) {
 export function receiveApiDetails(apiDetails) {
   AppDispatcher.dispatch({
     type: ActionTypes.RECEIVE_API_DETAILS,
+    hostname: apiDetails.hostname,
     version: apiDetails.version
   });
 }

client/app/scripts/components/app.js

@@ -25,6 +25,7 @@ function getStateFromStores() {
     errorUrl: AppStore.getErrorUrl(),
     highlightedEdgeIds: AppStore.getHighlightedEdgeIds(),
     highlightedNodeIds: AppStore.getHighlightedNodeIds(),
+    hostname: AppStore.getHostname(),
     selectedNodeId: AppStore.getSelectedNodeId(),
     nodeDetails: AppStore.getNodeDetails(),
     nodes: AppStore.getNodes(),
@@ -68,7 +69,7 @@ export default class App extends React.Component {
 
   render() {
     const showingDetails = this.state.selectedNodeId;
-    const versionString = this.state.version ? 'Version ' + this.state.version : '';
+    const footer = `Version ${this.state.version} on ${this.state.hostname}`;
     // width of details panel blocking a view
     const detailsWidth = showingDetails ? 450 : 0;
     const topMargin = 100;
@@ -101,7 +102,7 @@ export default class App extends React.Component {
         </Sidebar>
 
         <div className="footer">
-          {versionString}&nbsp;&nbsp;
+          {footer}&nbsp;&nbsp;
           <a href="https://gitreports.com/issue/weaveworks/scope" target="_blank">Report an issue</a>
         </div>
       </div>

client/app/scripts/stores/app-store.js

@@ -51,7 +51,8 @@ let controlPending = false;
 let currentTopology = null;
 let currentTopologyId = 'containers';
 let errorUrl = null;
-let version = '';
+let hostname = '...';
+let version = '...';
 let mouseOverEdgeId = null;
 let mouseOverNodeId = null;
 let nodes = makeOrderedMap();
@@ -198,6 +199,10 @@ export class AppStore extends Store {
     return null;
   }
 
+  getHostname() {
+    return hostname;
+  }
+
   getNodeDetails() {
     return nodeDetails;
   }
@@ -403,6 +408,7 @@ export class AppStore extends Store {
 
     case ActionTypes.RECEIVE_API_DETAILS:
       errorUrl = null;
+      hostname = payload.hostname;
       version = payload.version;
       this.__emitChange();
       break;