Terraform in CI CD - rnakidi/dsa GitHub Wiki

π‘»π’†π’“π’“π’‚π’‡π’π’“π’Ž π‘­π’π’π’˜ π’Šπ’ π‘ͺ𝑰/π‘ͺ𝑫 π‘»π’†π’“π’“π’‚π’‡π’π’“π’Ž 𝑫𝒆𝒗𝑢𝒑𝒔

  1. 𝑫𝒆𝒗𝒆𝒍𝒐𝒑𝒆𝒓
  • Role: The developer creates both the Terraform configuration files and the application code, ensuring that infrastructure and application requirements align seamlessly.
  1. 𝑺𝒐𝒖𝒓𝒄𝒆 π‘ͺ𝒐𝒏𝒕𝒓𝒐𝒍
  • Process: After writing the code, the developer commits changes to a local Git repository. This is followed by pushing these commits to a remote repository, allowing for collaborative development and version control.
  1. π‘Ίπ’•π’‚π’•π’Šπ’„ π‘ͺ𝒐𝒅𝒆 π‘¨π’π’‚π’π’šπ’”π’Šπ’”
  • Purpose: Before initiating the CI/CD pipeline, a static code analysis tool, such as SonarQube, scans the code for potential security vulnerabilities and assesses overall code quality. This step helps catch issues early in the development process.
  1. π‚πˆ/𝐂𝐃 𝐓𝐨𝐨π₯ π“π«π’π π πžπ«
  • Action: The push to the remote repository automatically triggers the CI/CD pipeline configured in Jenkins, initiating the automated workflow.
  1. π‚πˆ/𝐂𝐃 𝐓𝐨𝐨π₯𝐬
  • Options: Various CI/CD tools are available, including CircleCI, GitHub Actions, and ArgoCD, providing flexibility based on project needs and team preferences.
  1. π‘»π’†π’“π’“π’‚π’‡π’π’“π’Ž π‘°π’π’Šπ’•π’Šπ’‚π’π’Šπ’›π’‚π’•π’Šπ’π’
  • Command: Jenkins executes the terraform init command to set up the Terraform working directory. This step involves downloading the necessary provider plugins to ensure proper configuration.
  1. 𝑰𝒏𝒇𝒓𝒂𝒔𝒕𝒓𝒖𝒄𝒕𝒖𝒓𝒆 π‘·π’π’‚π’π’π’Šπ’π’ˆ
  • Execution: The terraform plan command is run by Jenkins, generating an execution plan that outlines the actions Terraform will take to achieve the desired state specified in the configuration files.
  1. 𝑰𝒏𝒇𝒓𝒂𝒔𝒕𝒓𝒖𝒄𝒕𝒖𝒓𝒆 π‘¨π’‘π’‘π’π’Šπ’„π’‚π’•π’Šπ’π’
  • Implementation: Jenkins then runs terraform apply, applying the planned changes to the infrastructure. This step implements actual modifications to the cloud resources as defined in the Terraform configuration.
  1. 𝑰𝒏𝒇𝒓𝒂𝒔𝒕𝒓𝒖𝒄𝒕𝒖𝒓𝒆 π‘«π’†π’‘π’π’π’šπ’Žπ’†π’π’•
  • Outcome: The infrastructure is deployed to the designated cloud provider, such as AWS, Azure, or GCP, ensuring that resources are correctly provisioned.
  1. 𝑰𝒏𝒇𝒓𝒂𝒔𝒕𝒓𝒖𝒄𝒕𝒖𝒓𝒆 π‘Ήπ’†π’‚π’…π’š 𝒇𝒐𝒓 𝑼𝒔𝒆
  • Result: The deployed resources, including virtual machines, networks, and storage, are now provisioned and available for immediate use, enabling further development and deployment of applications.

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