problems: limit events in timeline

src/datasource-zabbix/zabbix/connectors/zabbix_api/zabbixAPIConnector.js

@@ -368,7 +368,7 @@ export class ZabbixAPIConnector {
     return this.request('trigger.get', params);
   }
 
-  getEvents(objectids, timeFrom, timeTo, showEvents) {
+  getEvents(objectids, timeFrom, timeTo, showEvents, limit) {
     var params = {
       output: 'extend',
       time_from: timeFrom,
@@ -376,9 +376,15 @@ export class ZabbixAPIConnector {
       objectids: objectids,
       select_acknowledges: 'extend',
       selectHosts: 'extend',
-      value: showEvents
+      value: showEvents,
     };
 
+    if (limit) {
+      params.limit = limit;
+      params.sortfield = 'clock';
+      params.sortorder = 'DESC';
+    }
+
     return this.request('event.get', params);
   }
 

src/panel-triggers/triggers_panel_ctrl.js

@@ -12,6 +12,7 @@ import {migratePanelSchema, CURRENT_SCHEMA_VERSION} from './migrations';
 import { ProblemList } from './components/Problems';
 
 const ZABBIX_DS_ID = 'alexanderzobnin-zabbix-datasource';
+const PROBLEM_EVENTS_LIMIT = 100;
 
 export const DEFAULT_TARGET = {
   group: {filter: ""},
@@ -470,7 +471,7 @@ export class TriggerPanelCtrl extends PanelCtrl {
     const timeTo = Math.ceil(dateMath.parse(this.range.to) / 1000);
     return this.datasourceSrv.get(trigger.datasource)
     .then(datasource => {
-      return datasource.zabbix.getEvents(triggerids, timeFrom, timeTo, [0, 1]);
+      return datasource.zabbix.getEvents(triggerids, timeFrom, timeTo, [0, 1], PROBLEM_EVENTS_LIMIT);
     });
   }