Doing a run through of the Core sandbox, I was unable to get data to appear in Grafana using the links pre-created during setup. The data is available in Grafana if you create a new dashboard, but the pre-populated links should work. Here's the line where they're created during setup: https://github.com/sensu/sandbox/blob/master/sensu/provision/setup.sh#L179
Doing a run through of the Core sandbox, I was unable to get data to appear in Grafana using the links pre-created during setup. The data is available in Grafana if you create a new dashboard, but the pre-populated links should work. Here's the line where they're created during setup: https://github.com/sensu/sandbox/blob/master/sensu/provision/setup.sh#L179