[weiiwang01]

Migrate Terraform modules to the CC008 standard

[Copilot]

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Copilot review overview

2 open findings

• From terraform/charm/tests/main.tftest.hcl, source = "./tests/setup" resolves to… · New
• The changelog claims versions.tf was renamed to terraform.tf, but in this PR… · New

What changed in this PR

Migrates the Terraform module layout and CI to align with the CC008 Charm Terraform Standard, including updated module interface and workflows.

Changes:

• Introduces CC008-style module outputs (application/provides/requires) and adds a constraints input.
• Moves/creates CC008 Terraform tests under terraform/charm/tests and updates CI workflows for compliance, testing, release, and docs generation.
• Updates documentation and repository config (README, changelog, gitignore, license config) to reflect the new module structure.

File	Description
terraform/​versions.tf	Updates Terraform and Juju provider version constraints.
terraform/​variables.tf	Adds CC008-required inputs (constraints) and adjusts nullability/defaults.
terraform/​main.tf	Wires new constraints variable into the Juju application resource.
terraform/​tests/​setup/​main.tf	Updates test setup Terraform/provider versions and makes test model name unique.
terraform/​tests/​main.tftest.hcl	Removes old root test file (tests moved under terraform/charm).
terraform/​tests/​integration/​main.tf	Removes old integration test module.
terraform/​tests/​integration/​wait-for-status.sh	Removes external-script-based status polling for old tests.
terraform/​outputs.tf	Removes deprecated outputs (app_name, endpoints).
terraform/​charm/​tests/​main.tftest.hcl	Adds CC008-style tests targeting the terraform/charm module.
terraform/​charm/​outputs.tf	Adds CC008-style outputs (application, provides, requires).
terraform/​charm/​MAJOR_VERSION	Adds MAJOR_VERSION file for charm module path.
terraform/​README.md	Updates docs to reference CC008 module path/outputs and adds terraform-docs markers.
terraform/​MAJOR_VERSION	Introduces module major version file at terraform/.
docs/​changelog.md	Documents the CC008 migration and interface changes.
.licenserc.yaml	Exempts **/MAJOR_VERSION from license header checks.
.gitignore	Updates Terraform ignore patterns (including lockfile).
.github/​workflows/​test_terraform_modules.yaml	Adds new Terraform module test workflow using pinned operator-workflows.
.github/​workflows/​test_terraform_module.yaml	Removes old Terraform module test workflow.
.github/​workflows/​terraform_modules_release.yaml	Adds Terraform module release workflow using pinned operator-workflows.
.github/​workflows/​terraform_modules_compliance.yaml	Adds Terraform module compliance workflow using pinned operator-workflows.
.github/​workflows/​generate_terraform_docs.yaml	Adds workflow to auto-generate Terraform docs for terraform/charm.

🧠 Review effort: Lite

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