dict object has no attribute ceph-grafana

[lphabc]

} fatal: [dash]: FAILED! => { "msg": "The task includes an option with an undefined variable. The error was: 'dict object' has no attribute 'ceph-grafana'\n\nThe error appears to be in '/usr/share/cephmetrics-ansible/roles/ceph-collectd/tasks/configure_collectd.yml': line 36, column 3, but may\nbe elsewhere in the file depending on the exact syntax problem.\n\nThe offending line appears to be:\n\n\n- name: Set hostname in write_graphite.conf\n ^ here\n" }