annotations: replace variables in trigger name, fixes #428

dist/datasource-zabbix/datasource.js

@@ -542,13 +542,14 @@ System.register(['lodash', 'app/core/utils/datemath', './utils', './migrations',
             return getTriggers.then(function (triggers) {
 
               // Filter triggers by description
-              if (utils.isRegex(annotation.trigger)) {
+              var triggerName = _this6.replaceTemplateVars(annotation.trigger, {});
+              if (utils.isRegex(triggerName)) {
                 triggers = _.filter(triggers, function (trigger) {
-                  return utils.buildRegex(annotation.trigger).test(trigger.description);
+                  return utils.buildRegex(triggerName).test(trigger.description);
                 });
-              } else if (annotation.trigger) {
+              } else if (triggerName) {
                 triggers = _.filter(triggers, function (trigger) {
-                  return trigger.description === annotation.trigger;
+                  return trigger.description === triggerName;
                 });
               }