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Ansible Playbooks: The Basics

The playbook concept is at the heart of Ansible. Writing a playbook to configure a system to the desired state is what makes this exercise so valuable to students who are wanting to get serious with Ansible. After completing this learning activity on how to configure an inventory all the way through to a mass software deployment, students will be another step closer to an official Red Hat Ansible certification. *This course is not approved or sponsored by Red Hat.*

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Labs

Path Info

Level
Clock icon Intermediate
Duration
Clock icon 1h 0m
Published
Clock icon Jul 11, 2018

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Table of Contents

  1. Challenge

    Create an Inventory in `/home/ansible/inventory `That Contains a Host Group Named `web`. The `web` Group Should Contain `node1` and `node2`

    • echo "[web]" >> /home/ansible/inventory
    • echo "node1" >> /home/ansible/inventory
    • echo "node2" >> /home/ansible/inventory
  2. Challenge

    Create a Playbook in `/home/ansible/web.yml`

    echo "---" >> /home/ansible/web.yml

  3. Challenge

    Configure the Playbook to Install `httpd` on the `web` Group

    Using a text editor, such as vim, edit /home/ansible/web.yml to contain the following text block below the line containing "---": - hosts: web become: yes tasks: - name: install httpd yum: name=httpd state=latest

  4. Challenge

    Configure the Playbook to Start and Enable the `httpd` Service on the `web` Group

    Using a text editor such as vim, edit /home/ansible/web.yml to contain the following task block after the "install httpd task": - name: start and enable httpd service: name=httpd state=started enabled=yes

  5. Challenge

    Configure the Playbook to Retrieve the Website from *http://repo.example.com/website.tgz* on Each Server in the `web` Group

    Using a text editor such as vim, edit /home/ansible/web.yml to contain the following task block after the "start and enable httpd" task: - name: retrieve website from repo get_url: url=http://repo.example.com/website.tgz dest=/tmp/website.tgz

  6. Challenge

    Configure the Playbook to Unarchive the Website into `/var/www/html` on All Servers in the `web` Group

    Using a text editor such as vim, edit /home/ansible/web.yml to contain the following task block after the "retrieve website from repo" task: - name: install website unarchive: remote_src=yes src=/tmp/website.tgz dest=/var/www/html/

  7. Challenge

    Verify the Work by Executing the Playbook Using the Inventory

    ansible-playbook -i /home/ansible/inventory /home/ansible/web.yml

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