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Chef and Rails, our story
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joren
April 07, 2013
Technology
0
120
Chef and Rails, our story
A little story about how we use Chef and Rails for our custom controlpanel.
joren
April 07, 2013
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Transcript
Chef + Rails for customer cloud control zondag 7 april
13
Joren dev Steven ops zondag 7 april 13
Openminds zondag 7 april 13
How it used to be • ./post_install.sh • openminds gem
• rackup omd.rb • data push to Sock zondag 7 april 13
• Idempotence • Time consuming • Direct control • Special
snowflakes Implications for us zondag 7 april 13
for customers • no fixed solution: special snowflakes • one-way
traffic to Sock • not a real control panel zondag 7 april 13
starting with chef zondag 7 april 13
Why Chef zondag 7 april 13
Why Chef zondag 7 april 13
First steps • ./post_install.sh zondag 7 april 13
LAMP Chef Server A M P VPS x zondag 7
april 13
Initial Issues • not always reusable • no why-run zondag
7 april 13
Version management • don’t break old stuff • no major
upgrades • wrapper recipe • new version == new recipe zondag 7 april 13
MySQL::default zondag 7 april 13
Version management Library cookbook Wrapper cookbook zondag 7 april 13
Version management Library cookbook Sock (cookbook) zondag 7 april 13
Sock B.C. • one-way traffic • not a real control
panel • time consuming for us zondag 7 april 13
Sock A.C. • two-way traffic • real control panel •
client in control zondag 7 april 13
How Clients Sock Chef node(s) Openminds zondag 7 april 13
Provisioning Sock zondag 7 april 13
Provisioning Sock zondag 7 april 13
Provisioning Sock zondag 7 april 13
Sock provisions Chef zondag 7 april 13
Chef handling our JSON • Light-Weight Resource and Providers •
Actions: create, update, delete, lock, move, ... zondag 7 april 13
Chef handling our JSON zondag 7 april 13
Chef handling our JSON zondag 7 april 13
Breaking stuff • Cache invalidation • Naming things • Git
usage; working in a team • “but it worked on my Vagrant...” zondag 7 april 13
Sandbox Environment • We still use Vagrant <3 • Mimics
Production Environment • Detailed monitoring zondag 7 april 13
Automated testing • Jenkins • Functional tests • Integration tests
zondag 7 april 13
Knife test zondag 7 april 13
Knife test Food critic zondag 7 april 13
Knife test Food critic zondag 7 april 13
Xen node a node b node c zondag 7 april
13
Xen node a node b node c Integration tests }
zondag 7 april 13
zondag 7 april 13
Le Future • we’re agile, we don’t plan the future
• chef-sock all the things, all the time • better queueing and reporting zondag 7 april 13
Le Future zondag 7 april 13
Thank you. joren Zhann zondag 7 april 13