DevOps Classroom Series – 04/Sept/2020

Testing chef cookbooks with InSpec

• We will be using Test-Driven cookbook development for the tomcat using apt-get cookbook
• Written the following in the ubuntu_test.rb in test/default folder

# InSpec test for recipe .::ubuntu

# The InSpec reference, with examples and extensive documentation, can be
# found at https://www.inspec.io/docs/reference/resources/

# Verifying java installation
describe package('openjdk-11-jdk') do
  it { should be_installed }
end

# verifying tomcat installation
describe package('tomcat9') do
  it { should be_installed }
end

# verify if the tomcat9 service is installed,enable and running

describe service('tomcat9') do
  it { should be_installed }
  it { should be_enabled }
  it { should be_running }
end

# verify if the tomcat-users.xml file exists 

describe file('/etc/tomcat9/tomcat-users.xml') do
  it { should exist }
end

# verify if 8080 port is listening

describe port(8080) do
  it { should be_listening }
end

• Now executing the following commands

kitchen create
kitchen converge
kitchen verify

• Lets create a deployment recipe for deploying war file into tomcat
  • Create a new recipe called as deploy

  #
  # Cookbook:: .
  # Recipe:: deploy
  #
  # Copyright:: 2020, The Authors, All Rights Reserved.
  
  war_file_url = node['tomcat_flavor2']['war']
  
  war_file_location = node['tomcat_flavor2']['warlocation']
  
  tomcat_package = node['tomcat_flavor2']['tomcat_package']
  
  remote_file war_file_location do
      source war_file_url
      action :create
      notifies :restart, "service[#{tomcat_package}]"
  end
  
  

  • navigate to deploy_test.rb and add the following

  # InSpec test for recipe .::deploy
  
  
  describe file('/var/lib/tomcat9/webapps/gameoflife.war') do
  it { should exist }
  end
  
  

• Now converge and verify with the inspec tests
• Refer Here for the latest version of the cookbook

Lets use chef inspec and test kitchen to write a tomcat 9 installation not using package-manager

• For ubuntu steps Refer Here

• Lets create a cookbook tomcat9

• Exercise: Try installing mongo db on centos7 using test-driven development