attributei
The purpose of this module is to provide any standard and/or custom attributes for any OID.
Supporting Attributes
In order to operate on an attribute your onlp_attributei_supported() function must return True for the named attribute on the given OID.
If it does not then onlp_attributei_get() and onlp_attributei_set() will not be called with that attribute name.
Standard Attributes
While custom attributes are completely optional, it is required that at a very minimum the Chassis OID supports retreiving both the ONIE attribute and the Asset attribute using onlp_attributei_onie_info_get() and onlp_attributei_asset_info_get().
Supporting these on anything other than the Chassis OID is optional.
Should a FRU or Module support either of these attributes then you are encouraged to support them on those OIDs as well.