Migrating Monolith Rails 2.x Applications using SSO

Transcript

1. Migrating Monolith Rails Apps Raphael Randschau w e l u

   s e G m b H Sunday, October 30, 11

2. the Problem old App R a i l s 2

   . x probably brittle not enough tests Sunday, October 30, 11

3. mixed the Problem concerns e.g. blog w/ shop management of

   not related entites Ryan Smith -> one app one concern Sunday, October 30, 11

4. the Problem new features / support Sunday, October 30, 11

5. the Problem to migrate others not some parts the Problem

   easy - gem dependencies - language changes (ruby 1.8.7 -> 1.9.2) Sunday, October 30, 11

6. i s no the Problem rewrite o p t i

   o n time constraints money constraints will the rewrite actually make it better ? Sunday, October 30, 11

7. one approach but first some questions Sunday, October 30, 11

8. possible to how many users? assign new passwords? Sunday, October

   30, 11

9. segmentation into possible? Is the yes? great! you can split

   your app into multiple smaller apps no? can you split into frontend/ backend apps? separate concerns Sunday, October 30, 11

10. identify one approach 1. separate concerns by entity being managed

    / manipulared by user roles accessing your application by bussiness logic steps? routes? Sunday, October 30, 11

11. move one approach 2. one concern migrate old code into

    one new app Sunday, October 30, 11

12. add one approach 3. a router requests go to different

    application based on URI Rack passenger apache Sunday, October 30, 11

13. replace old part one approach 4. with new app Sunday,

    October 30, 11

14. implementation rubycas-server SSO nur authentifizierung Sunday, October 30, 11

15. implementation user-management app Sunday, October 30, 11

16. implementation devise + devise_cas_authenticatable Sunday, October 30, 11

17. thanks! Sunday, October 30, 11