DevOps Classroom Series – 14/Nov/2021

Chef Cookstyle

  • This helps in writing better chef infra cookbooks.
  • Command : cookstyle <path to cookbook>
  • Also apply necessary metadata as done in the class Refer Here
  • Refer Here for the changes made.

Tomcat 9 Installation

  • Now our cookbook located at Refer Here is properly tested and is eligible to upload to chef server.
  • Now lets upload this cookbook using berks Preview Preview

Chef Supermarket

  • Chef Supermarket is a platform where opensource community shares their cookbooks.
  • We can use those cookbooks along with the recipes which we develop or use them straight away in the run_list.
  • Refer Here for the supermarket website
  • Lets try to install mysql on ubuntu 2004 using supermarket cookbook and lets also install java 11
  • Lets try to find the mysql cookbook shared by community Preview
  • Refer Here for the documentation.
  • When you use supermarket cookbooks, we need to ensure we read the documentation as we have to use the cookbook as developed by the third party
  • Lets create a cookbook called as springbootexample
  • Lets create a recipe for installing java called as java and create an attributes file default
  • Now lets configure kitchen to create ubuntu20.04 in any cloud env (in this example i will be using aws )
  • Refer Here for the initial set of changes
  • Now we want to install mysql suing the supermarket cookbook Refer Here
  • Add dependecny to your cookbook by adding the highlighted in the below image with depends in metadata.rb Preview Preview
  • Now to download dependencies i.e mysql and its dependencies, berkshelf (berks) is a tool which can download the dependencies from supermarket.
  • Lets install the dependencies by executing berks install Preview
  • Generally when we use cookbooks from supermarket there are two kinds of usage
    • Cookbooks which have custom resources developed
    • Cookbooks where we need to include_recipe or add the recipe to run_list
  • Refer Here for the changes done to add mysql installation using supermarket cookbook
  • Lets try to add nginx installation using supermarket cookbook Refer Here.
  • Refer Here for the nginx installation
  • Refer Here for the changes.

Next Steps

  • Using Roles
  • Using Environments
  • Using databags
  • Setting Attributes
  • Chef on Windows
  • Installing our own chef server.

Leave a Reply

This site uses Akismet to reduce spam. Learn how your comment data is processed.

Please turn AdBlock off
Floating Social Media Icons by Acurax Wordpress Designers

Discover more from Direct DevOps from Quality Thought

Subscribe now to keep reading and get access to the full archive.

Continue reading

Visit Us On FacebookVisit Us On LinkedinVisit Us On Youtube