[action] [PR:3997] [SmartSwitch-HA] Set pending flags back to false. #4021
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What I did
Set flow_reconcile_pending, activate_role_pending, and brainsplit_recover_pending back to false after receiving the appropriate notification. For flow_reconcile_pending and activate_role_pending, this is after controller sends operation approval. For brainsplit, clearing the flag after DPU enters stable state again.
Why I did it
flow_reconcile_pending, activate_role_pending, and brainsplit_recover_pending were not being reset to false after being set true for the first time.
How I verified it
Tested on HA Smartswitch testbed, checked activate_role_pending etc is false after sending operation approval. Tested brainsplit by shutting communication channel between DPUs and then un-shutting after both enter standalone state, causing brain split. Recovered from brainsplit by setting one DPU to admin down/dead and then back to admin up, after which the DPUs paired into active/standby again.
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