+SRV_BOOT_DEVICE={{yaml.hardware.device_aliases|selectattr('key', 'equalto', 'bootdisk') | map(attribute='name')|first|replace("/dev/","")}}
+SRV_CEPH_DEVICE={{yaml.hardware.device_aliases|selectattr('key', 'equalto', 'cephjournal1') | map(attribute='name')|first|replace("/dev/","")}}