From 8b1ca73179defc034048ea74ea752800af19e2b8 Mon Sep 17 00:00:00 2001
From: jpellizzari <jordan@weave.works>
Date: Thu, 9 Feb 2017 13:44:30 -0800
Subject: [PATCH] Added changeInstance action; exported actions to public API

---
 client/app/scripts/actions/app-actions.js | 12 ++++++++++++
 client/app/scripts/index.js               |  2 +-
 client/app/scripts/utils/web-api-utils.js |  7 ++++---
 3 files changed, 17 insertions(+), 4 deletions(-)

diff --git a/client/app/scripts/actions/app-actions.js b/client/app/scripts/actions/app-actions.js
index 9f9f5f35e..300c4bbfe 100644
--- a/client/app/scripts/actions/app-actions.js
+++ b/client/app/scripts/actions/app-actions.js
@@ -681,3 +681,15 @@ export function toggleTroubleshootingMenu(ev) {
     type: ActionTypes.TOGGLE_TROUBLESHOOTING_MENU
   };
 }
+
+export function changeInstance() {
+  return (dispatch, getState) => {
+    const state = getState();
+    getNodesDelta(
+      getCurrentTopologyUrl(state),
+      getActiveTopologyOptions(state),
+      dispatch,
+      true // forces websocket teardown and reconnect to new instance
+    );
+  };
+}
diff --git a/client/app/scripts/index.js b/client/app/scripts/index.js
index 9e4525628..7f5362bfe 100644
--- a/client/app/scripts/index.js
+++ b/client/app/scripts/index.js
@@ -1,3 +1,3 @@
 exports.reducer = require('./reducers/root').default;
 exports.Scope = require('./components/app').default;
-exports.ActionTypes = require('./constants/action-types').default;
+exports.actions = require('./actions/app-actions');
diff --git a/client/app/scripts/utils/web-api-utils.js b/client/app/scripts/utils/web-api-utils.js
index 8f40d4e50..1b7cbe95c 100644
--- a/client/app/scripts/utils/web-api-utils.js
+++ b/client/app/scripts/utils/web-api-utils.js
@@ -166,11 +166,12 @@ export function getTopologies(options, dispatch) {
   });
 }
 
-export function getNodesDelta(topologyUrl, options, dispatch) {
+export function getNodesDelta(topologyUrl, options, dispatch, forceReload) {
   const optionsQuery = buildOptionsQuery(options);
+  // only recreate websocket if url changed or if forced (weave cloud instance reload);
+  const isNewUrl = topologyUrl && (topologyUrl !== currentUrl || currentOptions !== optionsQuery);
 
-  // only recreate websocket if url changed
-  if (topologyUrl && (topologyUrl !== currentUrl || currentOptions !== optionsQuery)) {
+  if (forceReload || isNewUrl) {
     createWebsocket(topologyUrl, optionsQuery, dispatch);
     currentUrl = topologyUrl;
     currentOptions = optionsQuery;