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Get asic PCI ID from CHASSIS_STATE_DB and update asic_id in CONFIG_DB #9681

Merged
merged 1 commit into from
Apr 25, 2022
Merged

Get asic PCI ID from CHASSIS_STATE_DB and update asic_id in CONFIG_DB #9681

merged 1 commit into from
Apr 25, 2022

Commits on Apr 18, 2022

  1. Get asic PCI ID from CHASSIS_STATE_DB and update asic_id in CONFIG_DB 

    Asic PCI ID (PCI address) is collected by chassisd (inside pmon -
sonic-net/sonic-platform-daemons#175) and saved in CHASSIS_STATE_DB (in
redis_chassis). CHASSIS_STATE_DB is accessible by swss containers.

At docker-init.sh (script is called after swss container is created and before
anything that could run in swss like orchagent...), we wait until asic PCI ID
of the corresponding asic is populated by chassisd. We then update asic_id in
CONFIG_DB of asic's database.

A system supporting dynamic asic PCI ID identification requires to have a file
(empty) use_pci_id_chassis in its platform dir.

When orchagent runs, it has correct asic PCI ID in its CONFIG_DB.

Together with this PR:

sonic-net/sonic-platform-daemons#175
sonic-net/sonic-platform-common#185

Signed-off-by: Maxime Lorrillere <mlorrillere@arista.com>
    @mlorrillere
    mlorrillere committed Apr 18, 2022
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