Ansible Automation

  1. Ansible Playbooks
    1. Introduction to YAML
      1. Basic Syntax Rules
        1. Indentation Requirements
          1. Key-Value Pairs
            1. Comments
              1. Multi-line Strings
              2. Data Types
                1. Scalars
                  1. Strings
                    1. Numbers
                      1. Booleans
                      2. Lists
                        1. List Syntax
                          1. Nested Lists
                          2. Dictionaries
                            1. Dictionary Syntax
                              1. Nested Dictionaries
                            2. YAML Best Practices
                              1. Consistent Indentation
                                1. Quoting Strings
                                  1. Avoiding Common Pitfalls
                                2. Structure of a Playbook
                                  1. Playbook Components
                                    1. YAML Document Structure
                                      1. Play Definition
                                      2. Plays
                                        1. Definition and Purpose
                                          1. Multiple Plays in a Playbook
                                            1. Play Execution Order
                                            2. Targets
                                              1. Specifying Hosts and Groups
                                                1. Host Patterns
                                                  1. Limiting Execution
                                                  2. Tasks
                                                    1. Task Structure
                                                      1. Task Naming
                                                        1. Task Order and Execution
                                                          1. Task Dependencies
                                                          2. Handlers
                                                            1. Purpose of Handlers
                                                              1. Handler Definition
                                                                1. Notifying Handlers
                                                                  1. Handler Execution Order
                                                                  2. Variables in Playbooks
                                                                    1. Play Variables
                                                                      1. Task Variables
                                                                        1. Variable Scope
                                                                      2. Writing Your First Playbook
                                                                        1. Playbook File Structure
                                                                          1. File Naming Conventions
                                                                            1. Directory Organization
                                                                            2. Defining a Play
                                                                              1. Required Fields
                                                                                1. Optional Fields
                                                                                  1. Play Configuration
                                                                                  2. Adding Tasks
                                                                                    1. Task Definition
                                                                                      1. Module Usage
                                                                                        1. Task Parameters
                                                                                          1. Error Handling
                                                                                          2. Testing Your Playbook
                                                                                            1. Syntax Checking
                                                                                              1. Dry Run Execution
                                                                                                1. Debugging Output
                                                                                              2. Executing Playbooks
                                                                                                1. The ansible-playbook Command
                                                                                                  1. Basic Usage
                                                                                                    1. Command Syntax
                                                                                                      1. Playbook File Specification
                                                                                                      2. Command-Line Options
                                                                                                        1. Check Mode
                                                                                                          1. Diff Mode
                                                                                                            1. Limit Execution
                                                                                                              1. Verbose Output
                                                                                                                1. Start at Task
                                                                                                                  1. Tag Management
                                                                                                                    1. Variable Override
                                                                                                                    2. Execution Flow
                                                                                                                      1. Pre-task Execution
                                                                                                                        1. Task Execution
                                                                                                                          1. Handler Execution
                                                                                                                            1. Post-task Execution
                                                                                                                          2. Essential Modules
                                                                                                                            1. File Management Modules
                                                                                                                              1. copy Module
                                                                                                                                1. File Copying
                                                                                                                                  1. Permission Management
                                                                                                                                    1. Backup Options
                                                                                                                                    2. file Module
                                                                                                                                      1. File and Directory Management
                                                                                                                                        1. Permission Setting
                                                                                                                                        2. lineinfile Module
                                                                                                                                          1. Line Management
                                                                                                                                            1. Regular Expressions
                                                                                                                                              1. Backup Options
                                                                                                                                              2. blockinfile Module
                                                                                                                                                1. Block Management
                                                                                                                                                  1. Markers
                                                                                                                                                    1. Content Insertion
                                                                                                                                                    2. template Module
                                                                                                                                                      1. Template Processing
                                                                                                                                                        1. Variable Substitution
                                                                                                                                                          1. Jinja2 Integration
                                                                                                                                                        2. Package Management Modules
                                                                                                                                                          1. apt Module
                                                                                                                                                            1. Package Installation
                                                                                                                                                              1. Repository Management
                                                                                                                                                                1. Update Cache
                                                                                                                                                                2. yum Module
                                                                                                                                                                  1. Package Management
                                                                                                                                                                    1. Group Installation
                                                                                                                                                                      1. Repository Configuration
                                                                                                                                                                      2. dnf Module
                                                                                                                                                                        1. Modern Package Management
                                                                                                                                                                          1. Module Streams
                                                                                                                                                                          2. package Module
                                                                                                                                                                            1. Generic Package Management
                                                                                                                                                                              1. Cross-Platform Usage
                                                                                                                                                                            2. Service Management Modules
                                                                                                                                                                              1. service Module
                                                                                                                                                                                1. Service Control
                                                                                                                                                                                  1. Service State Management
                                                                                                                                                                                    1. Boot Configuration
                                                                                                                                                                                    2. systemd Module
                                                                                                                                                                                      1. Systemd Service Management
                                                                                                                                                                                        1. Unit File Management
                                                                                                                                                                                          1. Daemon Reload
                                                                                                                                                                                        2. User and Group Management
                                                                                                                                                                                          1. user Module
                                                                                                                                                                                            1. User Creation
                                                                                                                                                                                              1. User Modification
                                                                                                                                                                                                1. Password Management
                                                                                                                                                                                                2. group Module
                                                                                                                                                                                                  1. Group Creation
                                                                                                                                                                                                    1. Group Membership
                                                                                                                                                                                                  2. System Information Modules
                                                                                                                                                                                                    1. setup Module
                                                                                                                                                                                                      1. Fact Gathering
                                                                                                                                                                                                        1. Custom Facts
                                                                                                                                                                                                          1. Fact Filtering
                                                                                                                                                                                                          2. debug Module
                                                                                                                                                                                                            1. Variable Display
                                                                                                                                                                                                              1. Message Output
                                                                                                                                                                                                                1. Debugging Information
                                                                                                                                                                                                              2. Control Flow Modules
                                                                                                                                                                                                                1. include_tasks Module
                                                                                                                                                                                                                  1. Dynamic Task Inclusion
                                                                                                                                                                                                                    1. Variable Passing
                                                                                                                                                                                                                    2. import_tasks Module
                                                                                                                                                                                                                      1. Static Task Inclusion
                                                                                                                                                                                                                        1. Preprocessing