Grafana trouble shooting
Zabbix integration via plugins provided by https://github.com/alexanderzobnin/grafana-zabbix via github
1) unable to connect zabbix api showing error on dashboard template init failed.
causes : database of zabbix may be unreachable to grafana.
troubleshooting :-
1) check the datasource is connected and working via save and Test button on datasource page.
2) check http setting tab usr is http;// (if grafana is installed on same server as zabbix installed)
