check drift between terraform and actual #18
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| name: check drift between terraform and actual | |
| on: | |
| workflow_dispatch: | |
| schedule: | |
| - cron: '0 17 * * 0' | |
| permissions: | |
| id-token: write | |
| contents: read | |
| env: | |
| TF_VAR_REMOTE_STATE_BUCKET: ${{ secrets.TF_VAR_REMOTE_STATE_BUCKET }} | |
| TF_VAR_BACKEND_CONFIG_KEY: ${{ secrets.TF_VAR_BACKEND_CONFIG_KEY }} | |
| TF_VAR_AWS_REGION: ${{ secrets.TF_VAR_AWS_REGION }} | |
| jobs: | |
| target-directory: | |
| runs-on: ubuntu-latest | |
| outputs: | |
| target-directories: ${{ steps.target-directory.outputs.value }} | |
| steps: | |
| - name: Checkout | |
| uses: actions/checkout@v4 | |
| with: | |
| fetch-depth: '1' | |
| - name: Get target directory name | |
| id: target-directory | |
| working-directory: "infrastructure" | |
| run: | | |
| TARGET_DIRECTORY=$(find . -type f -name "main.tf" | sed -e 's/\/main.tf//g' -e 's/^\.\//"/g' -e 's/$/"/g' | tr '\n' ',' | sed 's/^/[/;s/,$/]/') | |
| echo "value=$TARGET_DIRECTORY" >> "$GITHUB_OUTPUT" | |
| check-drift: | |
| runs-on: ubuntu-latest | |
| needs: target-directory | |
| strategy: | |
| matrix: | |
| directory: ${{ fromJson(needs.target-directory.outputs.target-directories) }} | |
| steps: | |
| - name: Checkout | |
| uses: actions/checkout@v4 | |
| with: | |
| fetch-depth: '1' | |
| - name: Configure AWS Credentials | |
| uses: aws-actions/configure-aws-credentials@v3 | |
| with: | |
| role-to-assume: arn:aws:iam::${{ secrets.AWS_ACCOUNT_ID }}:role/oidc-github-actions-role | |
| aws-region: us-east-1 | |
| - name: Get Terraform version | |
| id: terraform_version | |
| run: | | |
| TERRAFORM_VERSION=$(grep terraform .tool-versions | cut -d' ' -f2) | |
| echo "terraform_version=$TERRAFORM_VERSION" >> "$GITHUB_OUTPUT" | |
| - name: Setup Terraform | |
| uses: hashicorp/setup-terraform@v3 | |
| with: | |
| terraform_version: ${{ steps.terraform_version.outputs.terraform_version }} | |
| - name: Generate config file | |
| id: generate-config-file | |
| working-directory: "infrastructure" | |
| run: | | |
| `cat <<EOF > config.tfbackend | |
| bucket = "${TF_VAR_REMOTE_STATE_BUCKET}" | |
| key = "${TF_VAR_BACKEND_CONFIG_KEY}" | |
| region = "${TF_VAR_AWS_REGION}" | |
| EOF` | |
| CONFIG_TFBACKEND_FILE=$(pwd)/config.tfbackend | |
| echo "config_tfbackend_file=$CONFIG_TFBACKEND_FILE" >> "$GITHUB_OUTPUT" | |
| - name: Init | |
| id: terraform-init | |
| working-directory: "infrastructure/${{ matrix.directory }}" | |
| run: | | |
| terraform init -backend-config ${{ steps.generate-config-file.outputs. config_tfbackend_file }} | |
| - name: Terraform Validate | |
| id: validate | |
| working-directory: "infrastructure/${{ matrix.directory }}" | |
| run: terraform validate -no-color | |
| - name: terraform-plan | |
| id: plan | |
| working-directory: "infrastructure/${{ matrix.directory }}" | |
| run: terraform plan -no-color -detailed-exitcode | |
| continue-on-error: true |