func setAgentPassword(newPw, oldPw string, a agent.Agent, entity *apiagent.Entity) error {
// Change the configuration *before* setting the entity
// password, so that we avoid the possibility that
// we might successfully change the entity's
// password but fail to write the configuration,
// thus locking us out completely.
if err := a.ChangeConfig(func(c agent.ConfigSetter) error {
c.SetPassword(newPw)
c.SetOldPassword(oldPw)
return nil
}); err != nil {
return err
}
return entity.SetPassword(newPw)
}
