Death of variables revisited

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Roni Kantis

Current state of Configuration System (CMI) in Drupal 8. What it is for and how does it work?

Tecnologia

CMI: Death of Variables revisited
Roni Kantis
Thursday, May 16, 13

Roni Kantis
drupal.org: bfr
@roni_kantis
Druid Oy
@druidﬁ
Drupal Meetup Finland
14.6.2013
Program:
Sauna, terva and kossu.
Generously sponsored by the association and
KW Digital.
druid.ﬁ/meetup
Thursday, May 16, 13

Current state of conﬁguration
• 95% of Drupal development is done through UI
• Scattered throughout the database
• Variable table
• Custom tables and entities
• No standard format
• No API
Thursday, May 16, 13

Features -module
" Features is not a reliable way to deploy configuration
changes.
It was never meant to be. "
- Tim Plunkett
Thursday, May 16, 13

Problems with variables
• No standardized way to move between environments
• Cumbersome to manage environment speciﬁc conﬁguration
• Loaded on every request
Thursday, May 16, 13

So we killed it!
- No more variable_trololoo()
- No more Features?
Thursday, May 16, 13

Enter Conﬁguration Management Initiative (CMI)
•Conﬁguration system
•ConﬁgEntity
•States API
Thursday, May 16, 13

Conﬁguration system
• Automatically exportable
• Lazy loadable
• UUID in core
• Standardized API
Thursday, May 16, 13

Content vs conﬁguration
• Can you give it a default value?
• Would it beneﬁt signiﬁcally from direct sql-queries?
• Is it environment speciﬁc?
Thursday, May 16, 13

How does it work?
• Object oriented approach:
• BEFORE: variable_set(‘my variable’, $data);
• NOW: $conﬁg->set(‘my variable’, $data)->save();
Thursday, May 16, 13

$How does it work? • Configuration locations: • sites/default/files/config_{hash}/active • sites/default/files/config_{hash}/staging • Configuration files: • manifest.image.styles.yml • image.settings.yml • image.style.medium.yml Thursday, May 16, 13$

Image.style.medium.yml
Thursday, May 16, 13

Conﬁguration sync UI
Thursday, May 16, 13

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Death of variables revisited

1. CMI: Death of Variables revisited Roni Kantis Thursday, May 16, 13

2. Roni Kantis drupal.org: bfr @roni_kantis Druid Oy @druidﬁ Drupal Meetup Finland 14.6.2013 Program: Sauna, terva and kossu. Generously sponsored by the association and KW Digital. druid.ﬁ/meetup Thursday, May 16, 13

3. Current state of conﬁguration • 95% of Drupal development is done through UI • Scattered throughout the database • Variable table • Custom tables and entities • No standard format • No API Thursday, May 16, 13

4. Thursday, May 16, 13

5. Features -module " Features is not a reliable way to deploy configuration changes. It was never meant to be. " - Tim Plunkett Thursday, May 16, 13

6. Problems with variables • No standardized way to move between environments • Cumbersome to manage environment speciﬁc conﬁguration • Loaded on every request Thursday, May 16, 13

7. So we killed it! - No more variable_trololoo() - No more Features? Thursday, May 16, 13

8. Enter Configuration Management Initiative (CMI) •Configuration system •ConfigEntity •States API Thursday, May 16, 13

9. Conﬁguration system • Automatically exportable • Lazy loadable • UUID in core • Standardized API Thursday, May 16, 13

10. Content vs configuration • Can you give it a default value? • Would it benefit significally from direct sql-queries? • Is it environment specific? Thursday, May 16, 13

11. How does it work? • Object oriented approach: • BEFORE: variable_set(‘my variable’, $data); • NOW: $conﬁg->set(‘my variable’, $data)->save(); Thursday, May 16, 13

12. How does it work? • Configuration locations: • sites/default/files/config_{hash}/active • sites/default/files/config_{hash}/staging • Configuration files: • manifest.image.styles.yml • image.settings.yml • image.style.medium.yml Thursday, May 16, 13

13. Image.style.medium.yml Thursday, May 16, 13

14. Conﬁguration sync UI Thursday, May 16, 13

15. Conﬁguration sync UI Thursday, May 16, 13

16. Questions? Thursday, May 16, 13

Death of variables revisited

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