Comment 0 for bug 1905433

In order to use Gnocchi with Grafana user has to setup CORS middleware in gnocchi.conf[0]

However Gnocchi doesn't provide options to configure CORS nor config-flags to configure custom section[1].

[0] https://gnocchi.xyz/grafana.html
[1] https://opendev.org/openstack/charm-gnocchi/src/branch/master/src/config.yaml