Getting Started with Ansible

سرفصل های دوره

What if you could specify WHAT a system should look like and another tool took care of making that possible so you don't need to know HOW it works and can focus on WHAT outcome is desired. That's what Ansible can do for you!

Exercise Files

getting-started-ansible.zip

Module 1 - Course Overview

1. Course Overview

Module 2 - Ad Hoc Configuration with Idempotent Modules

01. Configuring an Explosion of Devices

02. Using the git config Command to Manually Configure User Name and Email

03. A Repeatable Script to Automatically Configure Git with user.name and user.email

04. git config --add Is Not Idempotent Because It Duplicates Config

05. Desired State Reconciliation and the Power of Ansible

06. Installing Ansible and the Installation Guide Docs

07. Updating Ansible via pip or Otherwise

08. Leverage the Porting Guides

09. Know How to Know What You Need to Know as You Go

10. Why Installs and Even Updates Are Easy - Control Node Architecture

11. The Ansible Ad-hoc Command

12. Disseminating a .gitconfig with Ansible Ad-hoc and the Copy Module

13. Understanding Idempotence with the Copy Module

14. How Ansible's Copy Module Handles Drift Thanks to Idempotence

15. The --check Flag Simply Checks if Changes Would Be Made

16. The --diff Flag Shows What Will Change or Did Change

Module 3 - Declaring Desired State with Playbooks

01. Ansible Is a Framework for Idempotent Commands

02. How About Just Scripting Multiple Ad-hoc Calls

03. Morphing Ad-hoc Calls or Scripted Ad-hoc Calls into Ansible Playbooks

04. docker Is to docker-compose What ansible Is to ansible-playbook

05. What a Script of Ad-hoc Ansible Calls Looks Like

06. Writing a First Playbook to Ensure Our .gitconfig Is Setup

07. Running ansible-playbook for the First Time

08. Testing ansible-playbook by Removing and Restoring Our .gitconfig

09. Increasing ansible-playbook Output Verbosity

10. I Cannot Emphasize Enough the Value of Versioning Playbooks with Git

11. Adding a Second Play with Two Tasks

12. What Happens When We Have a Syntax Error in a Playbook

Module 4 - Configuring Multiple Hosts

01. What Is Inventory

02. Creating Test VMs with Vagrant

03. Perusing My Inventory Directory Example and a Bit About ansible-config list and INVENTORY_IGNORE_EXTS

04. VMs Are Operational with No Git Configuration

05. Groups and Hosts and Ansible Ad-hoc with Multiple Hosts

06. Walking through the Playbook We Will Run against All VM Hosts

07. Running Our Playbook against Multiple VMs to Install and Configure Git

08. Destroying and Recreating Is Scalable and Reproducible

09. Configuring Ansible with ansible.cfg

10. Summarizing Inventory with ansible-inventory --graph and with --vars

11. Drilling into How Inventory Can Be Represented including with Static INI Files and Inventory Scripts

12. Troubleshooting Inventory Scripts by Running Them Independently before Plugging Them into Ansible

13. Ansible Uses Inventory Plugins to Provide Inventory in Any Number of Formats including Static and Dynamic

Module 5 - Productively Learning and Using Ansible

1. Learn Just What You Need to Be Productive

2. ansible-doc --help Is a Launching Point for Learning

3. Perusing Ansible's Source Code to Learn About Ansible and Discovering the git_config Module

4. Finding Nuanced Examples Specific to Your Use Case

5. Using Our Newfound git config Module

6. Learning from Extending Your IDE

7. I Can Not Emphasize the Value of Command Line Completion

8. The Ansible Console REPL

9. Don't Feel Bad About Evolving Your Usage and Understanding of Ansible

Module 6 - Alternatives to SSH for Connecting to Hosts

1. Perusing the Connection Plugins

2. Visualizing Connection Plugins, Specifically the Docker Connection Plugin

3. ansible-doc -t connection docker

4. Creating Three Background Containers with a Playbook

5. Using ansible-console to Quickly Inspect Our Newly Created Containers

6. Configuring git in Our Three Containers

7. Force Killing and Destroying Our Containers at Mock Speed with state=absent and force_kill=yes docker_container Module Parameters

8. Making and Testing a Hypothesis About Ansible Using docker container exec

9. ansible-pull Is yet Another Connection Approach

Module 7 - Exploiting Roles and Collections with ansible-galaxy

01. Roles and Collections Are High Level Compositions of Low Level Blocks

02. galaxy.ansible.com

03. Finding Content on Ansible Galaxy

04. First Look at the ansible-galaxy Command and its Role and Collection Actions

05. Listing Installed Roles and an Aside to Learn About keep_remote_files

06. ansible-galaxy's role install and remove Actions

07. Installing a Role and Finding Role Docs Online

08. Know What a Role Does before Using It for Security's Sake and, to Know What It Will Do

09. Exploiting Containers to Quickly Test Past ansible-galaxy Versions

10. Safety Meets Sanity - Testing a Role in an Isolated, Freshly Created Container

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تولید کننده: PluralSight