We are using Vault in HA with dynamodb as backend in our AWS infrastructure for last 3 years and even upgraded the vault version couple of times and currently running in Vault1.5.
From the last month we are seeing the below error in every 7-10 days
Jul 21 10:26:00 ip-10-102-208-130 vault: 2021-07-21T10:26:00.813Z [INFO] expiration: revoked lease: lease_id=auth/oidc/oidc/callback/he5c38814ff8f6057168d489b4acd0eaf90f8835ab414d508299e67b1ee0e9ff1
Jul 22 05:00:15 ip-x.xx.xx.xx vault: 2021-07-22T05:00:15.803Z [WARN] core: leadership lost, stopping active operation
Jul 22 05:00:15 ip-x.xx.xx.xx vault: 2021-07-22T05:00:15.803Z [INFO] core: pre-seal teardown starting
Jul 22 05:00:16 ip-x.xx.xx.xx vault: 2021-07-22T05:00:16.304Z [INFO] rollback: stopping rollback manager
Jul 22 05:00:16 ip-x.xx.xx.xx vault: 2021-07-22T05:00:16.305Z [INFO] core: pre-seal teardown complete
During the time period if any action is performed on Vault we are seeing below error.
local node not active but active cluster node not found
Could you please suggest on this as we haven’t done any changes to the setup from November 2020.