--- features: - | OSprofiler support was introduced. To allow its usage the api-paste.ini file needs to be modified to contain osprofiler middleware. Also `[profiler]` section needs to be added to the manila.conf file with `enabled`, `hmac_keys` and `trace_sqlalchemy` flags defined. security: - OSprofiler support requires passing of trace information between various OpenStack services. This information is securely signed by one of HMAC keys, defined in manila.conf configuration file. To allow cross-project tracing user should use the key, that is common among all OpenStack services they want to trace.