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Building scalable applications while scaling your infrastructure by rhommel lamas
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Building scalable applications while scaling your infrastructure by rhommel lamas

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"Building scalable applications while scaling your infrastructure" presented at Puppet Camp Munich 2013 by Rhommel Lamas 3scale Networks

"Building scalable applications while scaling your infrastructure" presented at Puppet Camp Munich 2013 by Rhommel Lamas 3scale Networks


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  • 1. November 2013 Puppet at scale Rhommel Lamas Thursday, November 28, 13
  • 2. Who am I? Thursday, November 28, 13
  • 3. Scale experience •Physical servers Xtratelecom.es. •AWS and other cloud providers at Wuaki.tv and 3scale.net. Who am I? Thursday, November 28, 13
  • 4. Scale experience •Physical servers Xtratelecom.es. •AWS and other cloud providers at Wuaki.tv and 3scale.net. Who am I? Config Management • Worked with CFEngine2 for 2 years. • Puppet user since 2009. Thursday, November 28, 13
  • 5. Scale experience •Physical servers Xtratelecom.es. •AWS and other cloud providers at Wuaki.tv and 3scale.net. Who am I? Config Management • Worked with CFEngine2 for 2 years. • Puppet user since 2009. Obsessed about config management and I use Emacs. Thursday, November 28, 13
  • 6. What is 3scale? 3scale provides tools such as traffic management, API administration, traffic reports, and more, to help companies publicize their APIs easily and power new types of connected applications. Thursday, November 28, 13
  • 7. What does scaling stands for? Thursday, November 28, 13
  • 8. Scalability is the ability of a system, network, or process to handle a growing amount of work in a capable manner or its ability to be enlarged to accommodate that growth. Wikipedia What does scaling stands for? Thursday, November 28, 13
  • 9. What are our scaling needs? Thursday, November 28, 13
  • 10. • How many people do we need to scale our system infrastructure? What are our scaling needs? Thursday, November 28, 13
  • 11. • How many people do we need to scale our system infrastructure? • How many environments and systems can our team maintain? What are our scaling needs? Thursday, November 28, 13
  • 12. • How many people do we need to scale our system infrastructure? • How many environments and systems can our team maintain? • Can we delegate configurations easily to our team members? What are our scaling needs? Thursday, November 28, 13
  • 13. Puppet dynamic environments Thursday, November 28, 13
  • 14. • Purpose of Puppet environments. Puppet dynamic environments Thursday, November 28, 13
  • 15. • Purpose of Puppet environments. • Puppet base environments at 3scale. Puppet dynamic environments Thursday, November 28, 13
  • 16. /etc/puppet auth.conf autosign.conf config.ru hiera.yaml hipchat.yaml fileserver.conf unicorn.rb environments Puppet environments at 3scale environments production manifests production.pp preview.pp nodes production webserver.pp preview webserver.pp modules nginx hieradata common.yaml production.yaml preview.yaml Capfile preview staging Thursday, November 28, 13
  • 17. [main] server = puppet.example.com environment = production [master] environment = production manifest = $confdir/environments/$environment/manifests/site.pp modulepath = $confdir/environments/$environment/modules Thursday, November 28, 13
  • 18. [main] server = puppet.example.com environment = production [master] environment = production manifest = $confdir/environments/$environment/manifests/$environment.pp modulepath = $confdir/environments/$environment/modules # production.pp import 'nodes/production/nodes.pp' import 'nodes/production/*.pp Thursday, November 28, 13
  • 19. :hierarchy: - '%{::osfamily}' - '%{::environment}' - common :backends: - yaml - json :yaml: :datadir: "/etc/puppet/environments/%{environment}/hieradata" Thursday, November 28, 13
  • 20. Thursday, November 28, 13
  • 21. • Purpose of Puppet environments. • Puppet environments at 3scale. • Puppet development workflow (Git). • Puppet-lint • Puppet-rspec • Code Review Puppet dynamic environments Thursday, November 28, 13
  • 22. Thursday, November 28, 13
  • 23. Thursday, November 28, 13
  • 24. Thursday, November 28, 13
  • 25. Puppet at 3scale. Thursday, November 28, 13
  • 26. • Since July 2013 we are running Puppet 3.0+. Puppet at 3scale. Thursday, November 28, 13
  • 27. • Since July 2013 we are running Puppet 3.0+. • 2 Puppet master’s. Puppet at 3scale. Thursday, November 28, 13
  • 28. • Since July 2013 we are running Puppet 3.0+. • 2 Puppet master’s. • Nginx + Unicorn. Puppet at 3scale. Thursday, November 28, 13
  • 29. • Since July 2013 we are running Puppet 3.0+. • 2 Puppet master’s. • Nginx + Unicorn. • 15 minutes splay with a splaylimit $runinterval/2. Puppet at 3scale. Thursday, November 28, 13
  • 30. • Since July 2013 we are running Puppet 3.0+. • 2 Puppet master’s. • Nginx + Unicorn. • 15 minutes splay with a splaylimit $runinterval/2. • Using DNS SRV records. Puppet at 3scale. Thursday, November 28, 13
  • 31. • Since July 2013 we are running Puppet 3.0+. • 2 Puppet master’s. • Nginx + Unicorn. • 15 minutes splay with a splaylimit $runinterval/2. • Using DNS SRV records. • The foreman as our ENC. Puppet at 3scale. Thursday, November 28, 13
  • 32. • Since July 2013 we are running Puppet 3.0+. • 2 Puppet master’s. • Nginx + Unicorn. • 15 minutes splay with a splaylimit $runinterval/2. • Using DNS SRV records. • The foreman as our ENC. • Puppetdb and hiera. Puppet at 3scale. Thursday, November 28, 13
  • 33. • Since July 2013 we are running Puppet 3.0+. • 2 Puppet master’s. • Nginx + Unicorn. • 15 minutes splay with a splaylimit $runinterval/2. • Using DNS SRV records. • The foreman as our ENC. • Puppetdb and hiera. •MCollective with Rabbitmq connector. Puppet at 3scale. Thursday, November 28, 13
  • 34. ROUTE 53 _x-puppet._tcp.3scale.net _x-puppet-ca._tcp.3scale.net Puppet Master + RabbitMQ Cluster + MCollective Client + PuppetDB + The Foreman RabbitMQ Load Balancer PostgreSQL RDS MultiAZ Puppet Master + RabbitMQ Cluster + MCollective Client + PuppetDB + The Foreman Puppet Master + RabbitMQ Cluster + MCollective Client + PuppetDB + The Foreman Puppet Agent + Mcollective Server Puppet Agent + Mcollective Server Puppet Agent + Mcollective Server Thursday, November 28, 13
  • 35. Thursday, November 28, 13
  • 36. What nobody will tell you about puppet. Thursday, November 28, 13
  • 37. • Puppet-lint is your friend and it will help others to understand your code, so USE IT. What nobody will tell you about puppet. Thursday, November 28, 13
  • 38. • Puppet-lint is your friend and it will help others to understand your code, so USE IT. • Puppet-rspec will help you find errors on early stages so TEST your modules. What nobody will tell you about puppet. Thursday, November 28, 13
  • 39. • Puppet-lint is your friend and it will help others to understand your code, so USE IT. • Puppet-rspec will help you find errors on early stages so TEST your modules. • Don’t code remotely on your servers, use your local development environment and git. What nobody will tell you about puppet. Thursday, November 28, 13
  • 40. • Puppet-lint is your friend and it will help others to understand your code, so USE IT. • Puppet-rspec will help you find errors on early stages so TEST your modules. • Don’t code remotely on your servers, use your local development environment and git. • Read puppet documentation on every version. What nobody will tell you about puppet. Thursday, November 28, 13
  • 41. • Puppet-lint is your friend and it will help others to understand your code, so USE IT. • Puppet-rspec will help you find errors on early stages so TEST your modules. • Don’t code remotely on your servers, use your local development environment and git. • Read puppet documentation on every version. • Be careful about dependencies. What nobody will tell you about puppet. Thursday, November 28, 13
  • 42. • Puppet-lint is your friend and it will help others to understand your code, so USE IT. • Puppet-rspec will help you find errors on early stages so TEST your modules. • Don’t code remotely on your servers, use your local development environment and git. • Read puppet documentation on every version. • Be careful about dependencies. • Once you start to puppetize you become an Addict. What nobody will tell you about puppet. Thursday, November 28, 13
  • 43. Rhommel Lamas Twitter: @rhoml Questions? at 3scale we’re hiring http://3scale.net/jobs Thursday, November 28, 13
  • 44. Rhommel Lamas Twitter: @rhoml Thank you. at 3scale we’re hiring http://3scale.net/jobs Thursday, November 28, 13
  • 45. Thursday, November 28, 13
  • 46. Useful links Thursday, November 28, 13
  • 47. • http://docs.puppetlabs.com/guides/scaling_multiple_masters.html#option-4-dns-srv-records Useful links Thursday, November 28, 13
  • 48. • http://docs.puppetlabs.com/guides/scaling_multiple_masters.html#option-4-dns-srv-records • http://docs.puppetlabs.com/puppetdb/latest/install_via_module.html Useful links Thursday, November 28, 13
  • 49. • http://docs.puppetlabs.com/guides/scaling_multiple_masters.html#option-4-dns-srv-records • http://docs.puppetlabs.com/puppetdb/latest/install_via_module.html • http://puppetlabs.com/blog/git-workflow-and-puppet-environments Useful links Thursday, November 28, 13
  • 50. • http://docs.puppetlabs.com/guides/scaling_multiple_masters.html#option-4-dns-srv-records • http://docs.puppetlabs.com/puppetdb/latest/install_via_module.html • http://puppetlabs.com/blog/git-workflow-and-puppet-environments • http://projects.puppetlabs.com/projects/1/wiki/using_unicorn Useful links Thursday, November 28, 13
  • 51. • http://docs.puppetlabs.com/guides/scaling_multiple_masters.html#option-4-dns-srv-records • http://docs.puppetlabs.com/puppetdb/latest/install_via_module.html • http://puppetlabs.com/blog/git-workflow-and-puppet-environments • http://projects.puppetlabs.com/projects/1/wiki/using_unicorn • https://github.com/cernops/puppetdb_foreman Useful links Thursday, November 28, 13