[chassis] [cleawater2] [wolverine] linecards - DB data keys is not cleared on chassisd stop

[wenyiz2021]

sup is fine with expected output:

admin@str2-7804-sup-1:~$ docker exec pmon supervisorctl status chassisd
chassisd                         RUNNING   pid 22, uptime 2:34:07
admin@str2-7804-sup-1:~$ 
admin@str2-7804-sup-1:~$ 
admin@str2-7804-sup-1:~$ docker exec pmon supervisorctl stop chassisd
chassisd: stopped
admin@str2-7804-sup-1:~$ 
admin@str2-7804-sup-1:~$ 
admin@str2-7804-sup-1:~$ docker exec pmon supervisorctl status chassisd
chassisd                         STOPPED   Mar 09 10:19 PM
admin@str2-7804-sup-1:~$ 
admin@str2-7804-sup-1:~$ 
admin@str2-7804-sup-1:~$ sonic-db-cli STATE_DB KEYS "CHASSIS_*TABLE|*"

admin@str2-7804-sup-1:~$ 
admin@str2-7804-sup-1:~$ docker exec pmon supervisorctl start chassisd
chassisd: started
admin@str2-7804-sup-1:~$ 
admin@str2-7804-sup-1:~$ 
admin@str2-7804-sup-1:~$ sonic-db-cli STATE_DB KEYS "CHASSIS_*TABLE|*"
CHASSIS_MIDPLANE_TABLE|LINE-CARD4
CHASSIS_TABLE|CHASSIS 1
CHASSIS_MODULE_TABLE|FABRIC-CARD5
CHASSIS_MODULE_TABLE|LINE-CARD5
CHASSIS_MODULE_TABLE|SUPERVISOR0
CHASSIS_MODULE_TABLE|FABRIC-CARD2
CHASSIS_MODULE_TABLE|FABRIC-CARD0
CHASSIS_MIDPLANE_TABLE|LINE-CARD0
CHASSIS_MODULE_TABLE|FABRIC-CARD4
CHASSIS_MIDPLANE_TABLE|LINE-CARD2
CHASSIS_MODULE_TABLE|FABRIC-CARD3
CHASSIS_MODULE_TABLE|LINE-CARD0
CHASSIS_MIDPLANE_TABLE|LINE-CARD1
CHASSIS_MIDPLANE_TABLE|LINE-CARD3
CHASSIS_MODULE_TABLE|LINE-CARD7
CHASSIS_MODULE_TABLE|LINE-CARD3
CHASSIS_MIDPLANE_TABLE|LINE-CARD6
CHASSIS_MODULE_TABLE|LINE-CARD6
CHASSIS_MODULE_TABLE|LINE-CARD2
CHASSIS_MIDPLANE_TABLE|LINE-CARD7
CHASSIS_MODULE_TABLE|LINE-CARD1
CHASSIS_MIDPLANE_TABLE|LINE-CARD5
CHASSIS_MODULE_TABLE|FABRIC-CARD1
CHASSIS_MODULE_TABLE|LINE-CARD4

error output:

admin@str2-7804-lc7-1:~$ docker exec pmon supervisorctl status chassisd
chassisd                         STOPPED   Mar 09 09:54 PM
admin@str2-7804-lc7-1:~$  sonic-db-cli STATE_DB KEYS "CHASSIS_*TABLE|*"
CHASSIS_MODULE_TABLE|SUPERVISOR0
CHASSIS_MIDPLANE_TABLE|SUPERVISOR0
CHASSIS_MODULE_TABLE|LINE-CARD
CHASSIS_TABLE|CHASSIS 1
admin@str2-7804-lc7-1:~$ 

this fails platform_tests/daemon/test_chassisd.py::test_pmon_chassisd_stop_and_start_status
issue linecards:

1. HwSKU: Arista-7800R3-48CQ2-C48
2. HwSKU: Arista-7800R3A-36DM2-D36

[patrickmacarthur]

We have seen this issue locally; I am working on a fix.

[patrickmacarthur]

sonic-net/sonic-platform-daemons#347 has a fix for this issue.

[wenyiz2021]

with .24 image passed