Add tags filter to triggers query

src/datasource/datasource.ts

@@ -542,6 +542,19 @@ export class ZabbixDatasource extends DataSourceApi<ZabbixMetricsQuery, ZabbixDS
     const hostids = hosts?.map((h) => h.hostid);
     const appids = apps?.map((a) => a.applicationid);
     const options = getTriggersOptions(target, timeRange);
+
+    const tagsFilter = this.replaceTemplateVars(target.tags?.filter, request.scopedVars);
+    // replaceTemplateVars() builds regex-like string, so we should trim it.
+    const tagsFilterStr = tagsFilter.replace('/^', '').replace('$/', '');
+    const tags = utils.parseTags(tagsFilterStr);
+    tags.forEach((tag) => {
+      // Zabbix uses {"tag": "<tag>", "value": "<value>", "operator": "<operator>"} format, where 1 means Equal
+      tag.operator = 1;
+    });
+    if (tags && tags.length) {
+      options.tags = tags;
+    }
+
     const alerts = await this.zabbix.getHostAlerts(hostids, appids, options);
     return responseHandler.handleTriggersResponse(alerts, groups, timeRange, target);
   }