Unlike UUID tokens which must be persisted to a database, Fernet tokens are entirely non-persistent. Deployers can enable the Fernet token provider using <code> [token] provider = keystone.token.providers.fernet.Provider</code> in <code>keystone.conf</code>.
区别于UUID tokens只能持久化存入数据库,Fernet tokens完全不需要持久化。部署人员可以通过设置keystone.conf中的 [token] provider = keystone.token.providers.fernet.Provider来启用Fernet token
keystone.conf
[token] provider = keystone.token.providers.fernet.Provider