Chef - Search

1. Download and install the 2.4.17 version of ChefDK at the command line.
2. Once it's installed, make sure Chef uses the correct system locations.
3. Verify it worked.

1. Install yum-utils.
2. Add the Docker repository.
3. Install Docker.
4. Set Docker to start now and on system boot.
5. Set your user to be able to use Docker without using the sudo command.
6. Log out and back in again
7. Check to make sure Docker is running.
   • If you can do that without prefacing it with sudo, you're ready to continue.

When we use Kitchen, later in the lab, we need Git to be installed and set up with some basic information.

1. Install Git.
2. Configure some Git basics:
   • Username (Your name)
   • Email address (This can be fake since we don't actually need it for the lab)
   • Default text editor (Vim)

Install the gem that Docker requires for this all to work.

1. Run a command to change SELinux so it is permissive.
2. Open /etc/selinux/config.
3. Change the SELINUX line from SELINUX=enforcing to SELINUX=permissive.

1. Create a new cookbook called la_search.
2. Change directory into la_search.

1. Open kitchen.yml.

2. In the driver section replace vagrant with docker.

3. At the bottom of the driver section, add the following (to be in line with the name line):

   privilege: true
   use_sudo: false
   

4. In the provisioner section, add the following: a name and version as well as a reference to the data_bags location (it should all be in line with the name line):

   product_name: "chef"
   product_version: "13.8.5"
   data_bags_path: /home/cloud_user/chef/data_bags
   

5. We're on a CentOS machine, so we need to get rid of ubuntu from the file. Delete (or comment out) the line in the platforms section that reads - name: ubuntu-16.04.

We need to get the recipe in a state that will do that administrators user installation, if there's not already such a user.

1. Edit the recipes/default.rb file.

2. Add these contents below the existing comment lines:

   admins = data_bag('admins')
   
   search(:admins, "gid:administrators").each do |admin|
   
     group admin['gid']
     login = admin["id"]
     admins << login
     home = "/home/#{login}"
   
     user(login) do
       uid admin['uid']
       gid admin['gid']
       shell admin['shell']
       comment admin['comment']
       home home
       manage_home true
     end
   end
   

Ensure it all works with kitchen converge. If all goes well, keep going. If not, troubleshoot any typos that may exist.

1. Log in to the kitchen.
2. View the contents of /etc/group.
   • We should see an administrators group.
3. View the contents of /etc/passwd.
   • We should see mike was added in as a user.

1. Log out of the enviroment using exit.
2. Use kitchen destroy to clean up what we just created.