78dfbc6463
To support certificate plugin workflows, plugins needs a means to persist their state in between method invocations by Barbican core. This CR adds that persistence feature, by adding a new SQLAlchemy model and migration file, and a new repository. Change-Id: Ic0f74d49ab8c97e5b15c61fbc8c64d00bd9c8b5e Implements: blueprint add-ssl-ca-support