Building and Testing from Scratch a Puppet Environment with Docker - PuppetConf 2014
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This document discusses using Docker containers to build and test Puppet code. It describes setting up a Docker container to mimic a production environment by specifying hostname, custom facts, and operating system. Tests can be run on this container to validate Puppet code works as expected before deploying changes. Future enhancements proposed include supporting more operating systems and Puppet versions, linking multiple test nodes, and using an existing Puppet master.
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DevOpsDays Atlanta 2025 - Building 10x Development Organizations.pptx
DevOpsDays Atlanta 2025 - Building 10x Development Organizations.pptxJustin Reock Building 10x Organizations with Modern Productivity Metrics
10x developers may be a myth, but 10x organizations are very real, as proven by the influential study performed in the 1980s, ‘The Coding War Games.’
Right now, here in early 2025, we seem to be experiencing YAPP (Yet Another Productivity Philosophy), and that philosophy is converging on developer experience. It seems that with every new method we invent for the delivery of products, whether physical or virtual, we reinvent productivity philosophies to go alongside them.
But which of these approaches actually work? DORA? SPACE? DevEx? What should we invest in and create urgency behind today, so that we don’t find ourselves having the same discussion again in a decade?
Building and Testing from Scratch a Puppet Environment with Docker - PuppetConf 2014
- 1. Building and Testing Puppet with Docker Carla Souza
- 2. Carla Souza Software engineer for Reliant Puppet user since 2010 Container virtualization user since 2008
- 3. Our environment ~15k nodes Redboxes Amazon EC2 Instances Virtual machines OpenVZ containers KVM
- 6. Code QA
- 7. Check your syntax puppet parse validate puppet-lint yaml syntax checker erb syntax checker
- 8. Variable data type validation validate_absolute_path validate_array validate_augeas validate_bool validate_cmd validate_hash validate_ipv4_address validate_ipv6_address validate_re validate_slength validate_string
- 9. Smoke testing #tests/test.pp class { 'apt': } puppet apply --noop --modulepath=".." tests/test.pp
- 11. beaker
- 13. Code Review
- 15. No errors on the puppet run != Correctly configured
- 17. Mimic the production environment
- 20. 1. Target node's hostname 2. Use custom facts* 3. Specify OS 4. Thats all * not required
- 21. Step 2: Facts Write your own custom facts # myserver-facts.txt domain=reliantsecurity.com ipaddress=172.17.42.1 ipaddress_docker0=172.17.42.1 ipaddress_lo=127.0.0.1 ipaddress_wlan0=172.16.3.218 is_virtual=false
- 22. Step 2: Facts Steal facts from an existing node
- 23. Step 2: Facts $ mystique fetch-facts myserver $ mystique fetch-facts --hostname myserver --user carla myserver.company # myserver-facts.txt domain=reliantsecurity.com ipaddress=172.17.42.1 ipaddress_docker0=172.17.42.1 ipaddress_lo=127.0.0.1 ipaddress_wlan0=172.16.3.218 is_virtual=false (...)
- 24. Step 3: Specify OS --os ubuntu14.04 --os debian-wheezy
- 25. # mystique run --os ubuntu14.04 --hostname myserver
- 26. # mystique run --facts /path/to/facts.txt --hostname myserver
- 28. FROM tianon/debian:wheezy RUN apt-get -qq -y install puppet puppetmaster ONBUILD ADD puppet.tar.gz /etc/puppet/
- 29. $ ls . ./ ../ .git/ .gitignore files/ templates/ manifests/ modules/ auth.conf autosign.conf fileserver.conf namespaceauth.conf
- 30. FROM mystique/debian:latest ADD myserver-facts.txt /etc/facter/facts.d/ RUN puppet apply --modulepath=/etc/puppet/modules master.pp CMD puppet agent --no-daemonize
- 31. # mystique run --facts /path/to/facts.txt --hostname myserver Report for myserver 12 resources created 2 warnings 0 errors
- 32. # mystique run --facts /path/to/facts.txt --hostname myserver --verbose
- 34. Why using the existing tools?
- 35. What can I do with all this?
- 36. Future steps ● Mimic existing resources from nodes ● Extend supported OS ● Specify puppet version ● Multiple node testing ○ Linking containers ● User an existing Puppet Master
- 37. Thank you! [email protected] https://github.com/carlasouza/mystique* Twitter: @carlaas * not yet available