do not break if alarms are fetched for non-existing charts

diff --git a/web/index.html b/web/index.html
index 3b4cb4eff7e54ae3da8d240c011f1b50f56b7090..e90322d8d6761b61c2f6e5905e87b1e8d51f9cda 100644 (file)
--- a/web/index.html
+++ b/web/index.html
@@ -1562,6 +1562,13 @@
 
                 function alarm_to_html(alarm, full) {
                     var chart = options.data.charts[alarm.chart];
+                    if(typeof(chart) === 'undefined') {
+                        // this means the charts loaded are incomplete
+                        // probably netdata was restarted and more charts
+                        // are now available.
+                        return '';
+                    }
+
                     var has_alarm = ((typeof alarm.warn !== 'undefined' || typeof alarm.crit !== 'undefined')?true:false);
 
                     var role_href = ((has_alarm === true)?('<br/>&nbsp;<br/>role: <b>' + alarm.recipient + '</b><br/>&nbsp;<br/><b><i class="fa fa-line-chart" aria-hidden="true"></i></b><small>&nbsp;&nbsp;<a href="#" onClick="NETDATA.alarms.scrollToChart(\'' + alarm.chart + '\'); $(\'#alarmsModal\').modal(\'hide\'); return false;">jump to chart</a></small>'):('&nbsp;'));