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GitOps & SRE Lab

In this lab, you will explore the principles of GitOps and Site Reliability Engineering (SRE). Follow the tasks below to complete the lab assignment.

Task 1: Key Metrics for SRE and SLAs

Objective: Monitor system resources and manage disk space.

  1. Monitor System Resources:

    • Use commands like htop and iostat to monitor CPU, memory, and I/O usage.
    • Identify and document the top 3 most consuming applications for CPU, memory, and I/O usage in a submission5.md file.

  2. Disk Space Management:

    • Use du and df to manage disk space.
    • Identify and log the top 3 largest files in the /var directory in the submission5.md file.

  3. Documentation:

    • Create a submission5.md file.
    • Provide the output and analysis of the monitored metrics and disk space management.

Task 2: Terraform Installation and Nginx Deployment

Objective: Install Terraform and deploy an Nginx container.

  1. Research and Installation:

  2. Nginx Deployment:

    • Follow the tutorial steps to build, change, and destroy infrastructure.
    • Define variables and query data with outputs.
    • Document your process.

  3. Publish Configuration Files:

    • Create a lab5 folder in your repository.
    • Include all Terraform configuration files used in the tutorial in this folder.

  4. Documentation:

    • Create a Markdown file named TerraformAndNginx.md in the lab5 folder.
    • Include the following details:
      • The version number of Terraform installed.
      • Steps followed to install Terraform.
      • Commands executed to initialize and apply the Terraform configuration.
      • Observations or challenges encountered during the installation and deployment process.

Guidelines

  • Use proper Markdown formatting and structure for the documentation files.
  • Organize the files within the lab folder using appropriate naming conventions.
  • Create a Pull Request to the main branch of the repository with your completed lab assignment.

Note: Actively explore SRE metrics and SLAs to understand their importance in measuring system reliability. Additionally, gain hands-on experience with Terraform by provisioning infrastructure and deploying an Nginx container.