This course teaches students to blend Python skillsets with Ansible through the lens of automating networks. Automation techniques for the most popular vendor (incl. Cisco, Juniper, Arista) will be subjects of study, however, students may request examples from vendors within their own environments. Topics begin with a focus on automating networks with Python; this skill set is then folded into a broadening understanding of automating with Ansible. Students will have programmatic experience automating enterprise class networks by the conclusion of this course (includes writing custom Ansible modules with Python).
Class is a combination of lecture, demonstration, and hands-on labs. Students are invited to share their own relevant Python and Ansible scripts with the instructor to ensure class subjects are as relevant as possible.
All notes and scripts will be made available to students by the end of each day via a cloud-share or email. Lab time will be given reinforce that days topics and demonstrations.
Class is appropriate for those interested in automation, specifically network automation, and those looking to marry a Python and Ansible skillset.
Critical Python Catch Up & Review
- Overview of Python and Ansible
- Python whitespace rules & best practices
- Conditional expressions
- Relational and Boolean operators
- Lists, Tuples, Dictionaries
- Indexing and slicing
- Built-in functions
- Writing custom functions
- Getting at methods
- Iterating with Loops (for and while)
- Working with files
- Software Control Management (SCM) (Git, Github, Bitbucket, Cloudshare, etc.)
- Getting at RESTful interfaces with Python
- Working with JSON
- Python, Ansible and Paramiko
- Using Paramiko to SSH with keys and passwords
Python and Network Automation
- RESTful API review
- API keys
- Paramiko Review
- Using Paramiko to SFTP with keys and passwords
- Introduction to Netmiko (automating routers and switches)
- Using Netmiko to send commands to / from network devices
- Working with YAML
- Converting JSON to YAML with Python
Critical Ansible Catchup & Review
- Ansible keywords
- YAML and JSON for data exchange
- Ansible and YAML
- Ansible Playbook components
- Tying together Python and Ansible Using Python within Ansible
- Ansible Network Modules
- What is new in Ansible (most current updates / release notes)
- Network Agnostic modules
- Writing network playbooks
- Reviewing the construction of network playbooks
- Writing Ansible playbooks that respond to network failures
Blending Python and Ansible Skillsets
- Review how to use Python within Ansible
- Calling Python scripts with Ansible
- Jinja2 Templating Engine for Python (and Ansible)
- Using Templates in Ansible playbooks
- Jinja2 filters, looping, and other useful tricks for automating with Ansible
- Playbook tagging for selective runs
- When to use Python and when to use Ansible
- Big Picture options for using Python & Ansible within your Network
- Ansible Roles
Customizing Ansible with Python
- Review Running Scripts with Ansible
- Prompting for Ansible user input
- Ansible Galaxy & Getting at Roles
- Writing a custom Ansible Module with Python
- Ansible Engine vs Ansible Tower marketing hype, capabilities, costs, etc.
- Case Study: Automate your Enterprise Network
- When to use Python and when to use Ansible
- Writing your own Ansible modules in Python
- Big Picture options for using Python & Ansible within your Network
- Overview - NETCONF / YANG and what they mean for Python and Ansible
- Molecule Testing your roles
Lab Outline
- 1. Using vim
- 2. Using & Installing Python
- 3. Making a Github account
- 4. Data within mixed lists
- 5. Understanding More about Lists
- 6. Python Dictionaries
- 7. Getting dir(obj) help() and pydoc
- 8. Copying Files and Folders
- 9. Moving and Renaming Files and Folders
- 10. IPv4 Testing with if
- 11. Paramiko - SSH with RSA Keys
- 12. Paramiko - SFTP with UN and PW
- 13. Space APIs the Final Frontier
- 14. More APIs - Final Frontier is Vast
- 15. Interaction with APIs - NASA 01
- 16. Interaction with APIs - NASA 02
- 17. Install GNS3
- 18. Setup for GNS networking
- 19. Configure the Switches
- 20. Running Netmiko
- 21. Running your first Playbook
- 22. Debug Module
- 23. Playbook Prompts
- 24. register and when
- 25. EOS Get Config and Archive
- 26. Agnostic Network Modules
- 27. Network Playbook Error Handling
- 28. Network Playbook Precheck
- 29. Network Playbooks with Roles and Rollbacks
- 30. Securing Playbooks with Vault
- 31. Network Playbooks, Set Fact, and Fail
- 32. Debug, Loops, and YAML Lists
- 33. Running a script with Ansible
- 34. Jinja Filters
- 35. Ansible, Python Methods, and Jinja Filters
- 36. Ansible and APIs
- 37. Python and Ansible
- 38. Writing an Ansible Module with Python
- 39. AWX Tower
- 40. Molecule Testing Roles
- Network Administrators
- Administrators interested in Automation
- Individuals interested in devops, specifically for networking
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