tree d56e96af15ff9b19d7342adc9f28fdc19ff9bd86
parent 543bf6687779c34f0f495eebae7e1819ced27577
author Lei YU <yulei.sh@bytedance.com> 1622776457 +0800
committer Lei YU <yulei.sh@bytedance.com> 1622797396 +0800

Add association interface

Make the virtual sensor inherit association interface, so that a sensor
could be associated with an inventory.
This is needed for Redfish to get the virtual sensor.

The json config could add optional "Association" config, that is an
array of tuples with three strings.
The virtual sensor will parse the config and create the association
accordingly.

Tested: Add below json config, and verify the virtual sensor has the
        association with the inventory DBus object, and the Redfish
        could show the sensor.

        "Associations":
        [
            [
                "chassis",
                "all_sensors",
                "/xyz/openbmc_project/inventory/system/board/xxxx"
            ]
        ],

Signed-off-by: Lei YU <yulei.sh@bytedance.com>
Change-Id: Ife4b6c38449ed0f29ab6d37f80b87c31df9ee24e