Successfully reported this slideshow.
We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. You can change your ad preferences anytime.

There's a role for that! (AnsibleFest 2019)

574 views

Published on

How to evaluate community roles for your playbooks.

These slides are from a presentation I gave at AnsibleFest Atlanta 2019, detailing my process for evaluating roles from Ansible Galaxy for use in my Ansible automation.

Published in: Software
  • The final result was amazing, and I highly recommend ⇒ www.HelpWriting.net ⇐ to anyone in the same mindset as me.
       Reply 
    Are you sure you want to  Yes  No
    Your message goes here
  • Have you ever used the help of ⇒ www.HelpWriting.net ⇐? They can help you with any type of writing - from personal statement to research paper. Due to this service you'll save your time and get an essay without plagiarism.
       Reply 
    Are you sure you want to  Yes  No
    Your message goes here

There's a role for that! (AnsibleFest 2019)

  1. 1. There's a role for that! How to evaluate community roles for your playbooks Jeff Geerling (geerlingguy)
  2. 2. Jeff Geerling (geerlingguy) • Author of Ansible for DevOps • Maintainer of 99 Galaxy roles and collections • "An inflammatory enigma"
  3. 3. Managing Risk in

  4. 4. Managing Risk in

 Dependency Hell
  5. 5. Source: https://xkcd.com/1987/
  6. 6. The following packages have unmet dependencies: postgresql-9.3 : Depends: postgresql-client-9.3 but it is not going to be installed Depends: postgresql-common (>= 142~) but it is not going to be installed E: Unable to correct problems, you have held broken packages.
  7. 7. Source: https://theoatmeal.com/comics/trust
  8. 8. Source: https://everydayconcepts.io/ikea-effect/
  9. 9. Ansible Galaxy
  10. 10. (just kidding!)
  11. 11. Ansible Galaxy - Choosing a Role 1. What do I need? 2. How do I find it? 3. How do I narrow down search results? 4. How do I select the role I am going to use?
  12. 12. Real-world example:
 Zabbix
  13. 13. ansible-galaxy find-best-role zabbix
  14. 14. ansible-galaxy find-best-role zabbix (that's not an actual command, sorry)
  15. 15. Final Step: Code Review and Test • Make sure role does what I expect • Make sure role is logical and maintainable • Is it how I would write it? Does it make sense? • Test playbook in local VM or container
  16. 16. Avoiding
 Bad Judgement
  17. 17. Final Step: Code Review and Test • Make sure role does what I expect • Make sure role is logical and maintainable • Is it how I would write it? Does it make sense? • Test playbook in local VM or container
  18. 18. Final Step: Code Review and Test • Make sure role does what I expect • Make sure role is logical and maintainable • Is it how I would write it? Does it make sense? • Test playbook in local VM or container Code ReviewpreventsBad Judgement!
  19. 19. Ansible Galaxy
 Collections
  20. 20. Ansible Collections • Opportunities and challenges • Discoverability: Plugins and modules don't affect quality score • Maintenance: Who maintains community content? • Trust: Source repository/reproducible build?
  21. 21. In conclusion...

×