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Course Outline

Terraform Core Fundamentals

  • Command-line interface (CLI) utilization and available sub-commands
  • Execution lifecycle of Terraform operations
  • State management: significance, limitations, and vulnerability considerations
  • HashiCorp Configuration Language (HCL): evolution from pre-0.12 to post-0.12 versions

Architecting Complex Terraform Projects and Modules

  • Modularization Strategies
    • Multiproject environments utilizing multiple modules
    • Interrelated infrastructure across single or hybrid cloud platforms
    • Root module decomposition
      • Strategic organization of Terraform projects, addressing both legacy monolithic structures and modern implementations

Development and Management of Complex Terraform Projects and Modules

  • Comprehensive operational best practices
  • Version control for modules
  • Principles of DRY (Don't Repeat Yourself) and asset sharing
  • Managing complex provider configurations across projects and modules
  • Implementation of the Terraform Null Label module for enhanced utility

Introduction to Make and Makefiles

  • Leveraging standard Linux utilities to automate repetitive tasks within Terraform workflows for government systems

Advanced Understanding of Terraform Tools and CLI

  • In-depth analysis of state data and the state file structure
  • State migration techniques and management in complex environments
  • Terraform import methodologies for intricate scenarios
  • Incident response for operational errors
    • Addressing severe configuration drift
    • Handling corrupted or unrecoverable state files
    • Identifying unresolvable conditions
    • Proactive strategies to prevent critical failures in Terraform operations

Advanced HCL Topics

  • Enhanced configuration language expression capabilities:
    • Patterns for code reusability
    • Iteration constructs and meta-arguments
    • For expressions
    • Type handling within expressions

Security Hardening for Terraform

  • Implementing "shift left" security principles and defense-in-depth strategies
  • Securing state files
  • Credential and secret management: applying least privilege, rotation policies, and protection mechanisms
  • Identifying potential failure points in security within Terraform workflows for government applications

Infrastructure Reliability and Testing Methodologies

  • Assessment of current automated and manual testing frameworks and methods
    • Evaluation of existing tools, including limitations such as those observed with Terratest
  • Mitigation of drift and unexpected consequences in realistic operational scenarios
  • Balancing developer responsibility with automated validation, including the use of Git hooks and tools like terraform-pre-commit

Automation of Terraform and Integration into CI/CD Pipelines

  • Terraform integration with Spinnaker
  • Leveraging automated delivery pipelines to enhance quality assurance, stability, and reliability for federal infrastructure deployments
  • Adopting GitOps principles within Terraform workflows
  • Overview of Terraform Cloud and Enterprise: evaluating how these solutions optimize workflows compared to alternatives such as custom CI/CD pipelines or tools like Atlantis for government use cases

Complex AWS Infrastructure Implementation with Terraform

  • Design and deployment of Virtual Private Clouds (VPCs)
  • Management of EC2 instances and ancillary compute resources
  • Configuration of AWS networking components
  • Integration of AWS services into Terraform-managed environments
  • Implementation of security best practices for AWS resources

Summary and Strategic Next Steps

Requirements

  • Familiarity with the principles of cloud infrastructure
  • Fundamental proficiency in executing Terraform workflows

Target Audience

  • DevOps Engineers
  • System Administrators
  • System Architects

This resource is designed for government audiences.

 21 Hours

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