collect and show errors on dashboard

if a cluster member is not reachable, collect the errors and show
them once to the user

Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>

diff --git a/js/Dashboard.js b/js/Dashboard.js
index 4684a58786fd59b4c3dabaeb88098450f183ab66..ce94841621dae0fef963c357db9db55e4f082540 100644 (file)
--- a/js/Dashboard.js
+++ b/js/Dashboard.js
@@ -113,6 +113,7 @@ Ext.define('PMG.Dashboard', {
            var mem = 0;
            var hd = 0;
            var count = records.length;
+           var errors = [];
 
            records.forEach(function(item) {
                // subscription level check
@@ -135,6 +136,13 @@ Ext.define('PMG.Dashboard', {
                var rootfs = item.data.rootfs || { used: 0, total: 1 };
                hd += (rootfs.used/rootfs.total);
 
+               if (item.data.conn_error && count > 1) {
+                   count--;
+                   errors.push({
+                       name: item.data.name,
+                       msg: item.data.conn_error
+                   });
+               }
            });
 
            var subscriptionPanel = me.lookup('subscription');
@@ -152,6 +160,15 @@ Ext.define('PMG.Dashboard', {
 
            var hdPanel = me.lookup('hd');
            hdPanel.updateValue(hd);
+
+           if (errors.length && !viewmodel.get('error_shown')) {
+               var text = "";
+               errors.forEach(function(error) {
+                   text += error.name + ':<br>' + error.msg + '<br>';
+               });
+               Ext.Msg.alert(gettext('Error'), text);
+               viewmodel.set('error_shown', true);
+           }
        },
 
        init: function(view) {
@@ -166,6 +183,7 @@ Ext.define('PMG.Dashboard', {
        data: {
            timespan: 300, // in seconds
            hours: 12, // in hours
+           error_shown: false,
            'bytes_in': 0,
            'bytes_out': 0,
            'avg_ptime': 0.0