This is one of a suite of terraform related actions - find them at dflook/terraform-github-actions.

This action uses the terraform destroy command to destroy all resources in a terraform workspace and then delete the workspace.

• path

  Path to the terraform configuration

  • Type: string
  • Required

• workspace

  Terraform workspace to destroy and delete

  • Type: string
  • Required

• var

  Comma separated list of terraform vars to set

  • Type: string
  • Optional

• var_file

  Comma separated list of tfvars files to use. Paths should be relative to the GitHub Actions workspace

  • Type: string
  • Optional

• backend_config

  Comma separated list of terraform backend config values.

  • Type: string
  • Optional

• backend_config_file

  Comma separated list of terraform backend config files to use. Paths should be relative to the GitHub Actions workspace

  • Type: string
  • Optional

• parallelism

  Limit the number of concurrent operations

  • Type: number
  • Optional
  • Default: 10

This example deletes the workspace named after the git branch when the associated PR is closed.

name: Destroy testing workspace

on:
  pull_request:
    types: [closed]

jobs:
  integration:
    runs-on: ubuntu-latest
    name: Cleanup after integration tests
    steps:
      - name: Checkout
        uses: actions/checkout@v2

      - name: terraform destroy
        uses: dflook/terraform-destroy-workspace@v1
        with:
          path: terraform
          workspace: ${{ github.head_ref }}