https://code-dev.fb.com/2018/10/04/open-source/stateservice/
StateService: Automating recovery of third-party services - Engineering at Meta
Mar 24, 2020 - StateService is a state machine as a service we are open-sourcing for use by engineering and ops teams to automate deployments and decrease recovery time.
third party servicesautomatingrecoveryengineeringmeta