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Jeff Geerling (@geerlingguy) at - May 1, 2020
How I am migrating
JeffGeerling.com
from Drupal 7 to 8
"It'll be easy," they said.
Hello, I'm Jeff Geerling
(a.k.a. geerlingguy)
"It'll be easy," they said.
Narrator: It was not easy.
"It'll be easy," they said.
Day 1
"We'll do it live!"
Source: https://www.youtube.com/watch?v=vu2NK5REvWM
Day 1
"We'll do it live!"
Source: https://www.youtube.com/watch?v=vu2NK5REvWM
Day 98
"We'll be done soon, I promise!"
Day 98
"We'll be done soon, I promise!"
A Little History
• c. 2004: Thingamablog

• c. 2009: Drupal 6

• c. 2011: Drupal 7 (migrated)

• c. 2018: Dark mode redesign

• 2020: Migrating to Drupal 8!
A Little History
• c. 2004: Thingamablog

• c. 2009: Drupal 6

• c. 2011: Drupal 7 (migrated)

• c. 2018: Dark mode redesign

• 2020: Migrating to Drupal 8!
A Little History
• c. 2004: Thingamablog

• c. 2009: Drupal 6

• c. 2011: Drupal 7 (migrated)

• c. 2018: Dark mode redesign

• 2020: Migrating to Drupal 8!
A Little History
• c. 2004: Thingamablog

• c. 2009: Drupal 6

• c. 2011: Drupal 7 (migrated)

• c. 2018: Dark mode redesign

• 2020: Migrating to Drupal 8!
A Little History
• c. 2004: Thingamablog

• c. 2009: Drupal 6

• c. 2011: Drupal 7 (migrated)

• c. 2018: Dark mode redesign

• 2020: Migrating to Drupal 8!
Migration Goals
• Preserve all content

• 'Lift and shift' (limit scope creep, no redesign!)

• Preserve all URLs, redirects, SEO optimizations

• Be able to reinstall site at any point during the migration

• Use modern goodies like:

• GitHub Actions for CI

• Composer
Total time:
98 days (abs) ≈ 30 hours
Total time:
98 days (abs) ≈ 30 hours
(so far...)
Highlights
Configuration Management made
re-installation and changes easy.
1
migrate-upgrade mostly did
everything as if by magic.
2
Almost all my D7 modules were
available in D8.
3
Almost all my D7 modules were
available in D8.
3
(let the "Upgrade Status" module help!)
Site building in D8 is SO much
better.
4
Claro admin theme rocks.
5
Disappointments
migrate-upgrade mostly did
everything as if by magic.
1
migrate-upgrade mostly did
everything as if by magic.
1
Many migration issues are hard to
debug.
2
Theme upgrade is practically a
rewrite.
3
Theme upgrade is practically a
rewrite.
3
(but Twig is awesome!)
Local development environments
are still not easy.
4
Local development environments
are still not easy.
4
(I say that as the maintainer of Drupal VM)
Where am I today?
How can I follow along?
Learn from my mistakes!
4
jeffgeerling.com/d8-migrate
Learn from my mistakes!
4
jeffgeerling.com/d8-migrate
(and subscribe to my YouTube channel!)
(and follow me on Twitter/Insta: @geerlingguy)

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How I'm Migrating JeffGeerling.com from Drupal 7 to 8