Cloud meets Fog & Puppet A Story of Version Controlled Infrastructure
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Cloud meets Fog & Puppet A Story of Version Controlled Infrastructure

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Talk at rootconf - A conference at Bangalore for sysadmins. ...

Talk at rootconf - A conference at Bangalore for sysadmins.
Gist of the talk:-
Puppet is a great configuration management tool and git is great at version controlling.AWS lets you create instances in few clicks. But when it comes to large deployments only automation(where tools come together) can make you productive and happy. I will take you through following.. Fog - The Ruby cloud services library and how it helps you to create vendor neutral cloud deployments, Puppet- Multi region puppet masters, Ruby- How Ruby pulls the strings together in EC2/ELB/RDS creation, Security group creation, IP authorization, Route53 DNS etc, Git- how we use git to version control deployment configs/configurations.

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Cloud meets Fog & Puppet A Story of Version Controlled Infrastructure Presentation Transcript

  • 1. Cloud meets Fog & PuppetA Story of Version Controlled Infrastructure Habeeb Rahman | apigee | @habi_pk | pk.habi@gmail.com
  • 2. About:apigee We love APIsDevelopers => API <= Enterprises Usergrid
  • 3. Take 1Third-party web tool and ...
  • 4. ….Following Manual TasksShareImages CreateInstancesOnebyOneInstallPackages InstallLicenseCreateEBSVolumes OpenPortsAttachEIP GenerateServerConfigApply Patches GenerateNagiosConfig + a Few Misc
  • 5. Take 2Cloud meets puppet and ... (aws console, git, puppet)
  • 6. ….Following Manual TasksShareImages CreateInstancesOnebyOneInstallPackages InstallLicenseCreateEBSVolumes OpenPortsAttachEIP GenerateServerConfigApplyPatches GenerateNagiosConfig + a Few Misc
  • 7. Take 3 Cloud meets Fog and …(puppet cloud provisioner, fog, ruby)
  • 8. ….Following Manual TasksShareImages CreateInstancesOnebyOneInstallPackages InstallLicenseCreateEBSVolumes OpenPortsAttachEIP GenerateServerConfigApplyPatches GenerateNagiosConfig + a Few Misc
  • 9. Customer in a yaml file...
  • 10. Git version controls PuppetConfigurations & Cloud Deployments (Yes! Version Controlled Infrastructure)
  • 11. Git hooksPre-update => puppet syntax checks(puppet parser, puppet lint)Post-update => sync with regional puppet masters
  • 12. PuppetGit branches => Puppet environmentsSingle puppet master => Test Dev Productionmanifests and files/data => Separate git repoPuppet masters per AWS regionsHiera: a pluggable hierarchical data store
  • 13. Why Fog?
  • 14. Cross service compatibility(multitude of services=> Storage, Compute, DNS…)Avoid vendor lock-in(Vendor independent=>EC2, Rackspace, Slicehost, Linode…)Power of Ruby
  • 15. gem install fog
  • 16. require ‘fog’
  • 17. ~/.fog
  • 18. Fog quick starter kitLook at the test suites (thanks to TDD)https://github.com/fog/fog/blob/master/tests/aws/requests/compute/instance_tests.rb
  • 19. Fog command line[root@zebra ~]$ less ~/.fog[root@zebra ~]$ fog testaws Welcome to fog interactive! :testaws provides AWS>>
  • 20. ec2 = Fog::Compute.new( provider: "AWS", aws_access_key_id: "KEY", aws_secret_access_key: "SECRET")rsc = Fog::Compute.new( provider: "Rackspace", rackspace_api_key: "KEY", rackspace_username: "SECRET")ec2.servers.create( flavor_id: "c1.medium", image_id: "ami-6936fb00", # Ubuntu 10.04 LTS key_name: "mykeyname", groups: ["default"],)rsc.servers.create( flavor_id: 5, # 4GB Memory image_id: 49, # Ubuntu 10.04 LTS name: my_server_name)
  • 21. Open Source Fog alternatives libcloud (Python) jclouds (Java) deltacloud (Ruby)
  • 22. Why Ruby?
  • 23. “Ruby is designed for programmer productivity and fun” Matsumoto(creator of the ruby language)
  • 24. everything-ruby by Ajey Gorehttp://confreaks.com/videos/921-rubyconfindia2012-everything-ruby
  • 25. irb is your friend (ruby interactive shell)root@zebra:~/$ irb1.9.3-p125 :001 > irb alternative = > pry (gem install pry)
  • 26. The Layers of Abstraction...
  • 27. Fog => Cloud abstraction
  • 28. Puppet => OS abstraction
  • 29. Notes to self >>
  • 30. Start small...
  • 31. ...and iterate reiterate & re reiterate
  • 32. Select right tools(Plenty of tools => Puppet/Chef/Cfengine/Ansible but what is good for you/team/culture?)
  • 33. Design your SaaS but make sure its ops ready (from the day you start the design)
  • 34. http://puppetlabs.com/http://fog.iohttp://git-scm.com/http://ansible.github.com/