rekey
There are 3 repositories under rekey topic.
enpaul/vault2vault
Recursively rekey ansible-vault encrypted files and in-line variables
adammmmm/hitless-key-rollover
Initially a workaround for lack of time-based SAK rekey on Junos, now a way of automating new CAK keys.
redhat-cop/ansible_rekey_variables
It is a collection for managing vaulted Ansible inventories. It helps to rekey all encrypted variables in the inventory repository. Can also be used to encrypt variables from clear text.