commit #102
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| name: Terraform | |
| on: | |
| pull_request: | |
| branches: | |
| - "*" | |
| push: | |
| branches: | |
| - "*" | |
| permissions: | |
| contents: read | |
| env: | |
| TERRAFORM_VERSION: 1.4.6 | |
| AWS_REGION: ${{ vars.AWS_REGION }} | |
| AWS_ROLE_TO_ASSUME: ${{ secrets.AWS_ROLE_TO_ASSUME }} | |
| DEFAULT_BRANCH_CONFIG: | | |
| { | |
| "TERRAFORM_DIR": ".", | |
| "BRANCHES": [ | |
| { | |
| "WORKSPACE": "default", | |
| "VARFILES": [ | |
| "terraform.tfvars" | |
| ], | |
| "SHOULD_PLAN": true, | |
| "SHOULD_APPLY": true | |
| } | |
| ] | |
| } | |
| jobs: | |
| setup: | |
| runs-on: ubuntu-latest | |
| outputs: | |
| workspace: ${{ steps.parse-config.outputs.workspace }} | |
| varfile: ${{ steps.parse-config.outputs.varfile }} | |
| should_plan: ${{ steps.parse-config.outputs.should_plan }} | |
| should_apply: ${{ steps.parse-config.outputs.should_apply }} | |
| terraform_dir: ${{ steps.parse-config.outputs.terraform_dir }} | |
| steps: | |
| - name: Checkout | |
| uses: actions/checkout@v2 | |
| with: | |
| fetch-depth: 1 | |
| - name: Parse Configuration | |
| id: parse-config | |
| run: | | |
| export BRANCH_NAME="${{ github.head_ref || github.ref_name }}" | |
| if [[ $BRANCH_NAME == *"/"* ]]; then | |
| export BRANCH_PREFIX="${BRANCH_NAME%/*}/" | |
| else | |
| export BRANCH_PREFIX=$BRANCH_NAME | |
| fi | |
| function fetch_config() { | |
| local FILE=$1 | |
| TERRAFORM_DIR=$(cat $FILE | yq eval '.TERRAFORM_DIR') | |
| BRANCH_CONFIG=$(cat $FILE | yq eval -o=json | jq '.BRANCHES[] | select(.BRANCH | startswith("'"$BRANCH_PREFIX"'"))') | |
| } | |
| if [ -f "tf-cfg.yaml" ]; then | |
| fetch_config "tf-cfg.yaml" | |
| elif [ -f "tf-cfg.json" ]; then | |
| fetch_config "tf-cfg.json" | |
| else | |
| TERRAFORM_DIR=$(echo "${{ env.DEFAULT_BRANCH_CONFIG }}" | yq eval '.TERRAFORM_DIR') | |
| BRANCH_CONFIG=$(echo "${{ env.DEFAULT_BRANCH_CONFIG }}" | yq eval '.BRANCHES[0]') | |
| fi | |
| WORKSPACE=$(echo "$BRANCH_CONFIG" | yq eval '.WORKSPACE' -) | |
| VARFILE=$(echo "$BRANCH_CONFIG" | yq eval '.VARFILES' -) | |
| SHOULD_PLAN=$(echo "$BRANCH_CONFIG" | yq eval '.SHOULD_PLAN' -) | |
| SHOULD_APPLY=$(echo "$BRANCH_CONFIG" | yq eval '.SHOULD_APPLY' -) | |
| echo "workspace=$WORKSPACE" >> $GITHUB_OUTPUT | |
| echo "varfile=$VARFILE" >> $GITHUB_OUTPUT | |
| echo "should_plan=$SHOULD_PLAN" >> $GITHUB_OUTPUT | |
| echo "should_apply=$SHOULD_APPLY" >> $GITHUB_OUTPUT | |
| echo "terraform_dir=$TERRAFORM_DIR" >> $GITHUB_OUTPUT | |
| cat $GITHUB_OUTPUT | |
| terraform-format-checks: | |
| name: Terraform Format Checks | |
| runs-on: ubuntu-latest | |
| permissions: | |
| contents: read | |
| outputs: | |
| fmt_outcome: ${{ steps.fmt.outcome }} | |
| steps: | |
| - name: Checkout | |
| uses: actions/checkout@v2 | |
| with: | |
| fetch-depth: 1 | |
| - name: Terraform Format | |
| id: fmt | |
| run: terraform fmt -list=true -check=true -recursive | |
| terraform-plan: | |
| if: needs.setup.outputs.should_plan == 'true' | |
| needs: [terraform-format-checks, setup] | |
| name: Terraform Plan | |
| runs-on: ubuntu-latest | |
| permissions: | |
| contents: read | |
| pull-requests: write | |
| id-token: write | |
| env: | |
| #BRANCH_NAME: ${{ github.head_ref || github.ref_name }} | |
| WORKSPACE: "${{ needs.setup.outputs.workspace }}" | |
| VARFILES: "${{ needs.setup.outputs.varfile }}" | |
| TERRAFORM_DIR: "${{ needs.setup.outputs.terraform_dir }}" | |
| steps: | |
| - name: Checkout | |
| uses: actions/checkout@v2 | |
| with: | |
| fetch-depth: 1 | |
| - name: Configure AWS Credentials | |
| uses: aws-actions/configure-aws-credentials@v4 | |
| with: | |
| role-to-assume: ${{ env.AWS_ROLE_TO_ASSUME }} | |
| aws-region: ${{ env.AWS_REGION }} | |
| - name: Setup Terraform | |
| uses: hashicorp/setup-terraform@v2 | |
| with: | |
| terraform_version: ${{ env.TERRAFORM_VERSION }} | |
| terraform_wrapper: false | |
| - name: Terraform Init | |
| id: init | |
| working-directory: ${{ env.TERRAFORM_DIR }} | |
| continue-on-error: true | |
| run: terraform init | |
| - name: Set Terraform Workspace | |
| id: set-workspace | |
| working-directory: ${{ env.TERRAFORM_DIR }} | |
| run: | | |
| echo "Workspace: $WORKSPACE" | |
| terraform workspace new $WORKSPACE || terraform workspace select $WORKSPACE | |
| - name: Terraform Validate | |
| id: validate | |
| working-directory: ${{ env.TERRAFORM_DIR }} | |
| continue-on-error: true | |
| run: | | |
| OUTPUT=$(terraform validate -no-color) | |
| echo $OUTPUT | |
| echo "output=$OUTPUT" >> $GITHUB_OUTPUT | |
| - name: Terraform Plan | |
| id: plan | |
| working-directory: ${{ env.TERRAFORM_DIR }} | |
| continue-on-error: true | |
| run: | | |
| VARFILES_CMD=$(echo "$VARFILES" | jq -r '.[] | "-var-file=" + .' | tr '\n' ' ') | |
| terraform plan -no-color -input=false $VARFILES_CMD -out=plan.tfplan | |
| OUTPUT=$(terraform show plan.tfplan | sed -r "s/\x1B\[[0-?]*[ -/]*[@-~]//g") # remove ansi escape sequences. | |
| OUTPUT="$(echo "${OUTPUT}" | grep -v "Refreshing state")" | |
| OUTPUT="$(echo -n "$OUTPUT" | tail -c 59000)" | |
| OUTPUT=$(echo "$OUTPUT" | jq -R -s -c .) | |
| echo "output=$OUTPUT" >> $GITHUB_OUTPUT | |
| - name: Upload Terraform Plan as Artifact | |
| id: upload-plan | |
| uses: actions/upload-artifact@v3 | |
| with: | |
| name: terraform-plan | |
| path: ${{ env.TERRAFORM_DIR }}/plan.tfplan | |
| retention-days: 1 | |
| - name: Setup Graphviz | |
| id: setup-graphviz | |
| uses: ts-graphviz/setup-graphviz@v1 | |
| - name: Generate Terraform Graph | |
| id: generate-graph | |
| working-directory: ${{ env.TERRAFORM_DIR }} | |
| run: | | |
| terraform graph -draw-cycles -type=plan-refresh-only -plan=plan.tfplan | dot -Tsvg > plan.svg | |
| - name: Upload Terraform Graph as Artifact | |
| id: upload-graph | |
| uses: actions/upload-artifact@v3 | |
| with: | |
| name: graph.svg | |
| path: ${{ env.TERRAFORM_DIR }}/plan.svg | |
| retention-days: 1 | |
| - name: Pull Request Comment | |
| uses: actions/github-script@v6 | |
| if: github.event_name == 'pull_request' | |
| env: | |
| PLAN: "${{ steps.plan.outputs.output }}" | |
| VALIDATE: "${{ steps.validate.outputs.output }}" | |
| with: | |
| github-token: ${{ secrets.GITHUB_TOKEN }} | |
| script: | | |
| const planOutput = JSON.parse(process.env.PLAN); | |
| const { data: comments } = await github.rest.issues.listComments({ | |
| owner: context.repo.owner, | |
| repo: context.repo.repo, | |
| issue_number: context.issue.number, | |
| }) | |
| const botComment = comments.find(comment => { | |
| return comment.user.type === 'Bot' && comment.body.includes('Terraform Format and Style') | |
| }) | |
| const output = `#### Terraform Workspace 🏗️ \`${{ needs.setup.outputs.workspace }}\` | |
| #### Terraform Format and Style 🖌 \`${{ needs.terraform-format-checks.outputs.fmt_outcome }}\` | |
| #### Terraform Initialization ⚙️ \`${{ steps.init.outcome }}\` | |
| #### Terraform Validation 🤖 \`${{ steps.validate.outcome }}\` | |
| <details><summary>Validation Output</summary> | |
| \`\`\`\n | |
| ${process.env.VALIDATE} | |
| \`\`\` | |
| </details> | |
| #### Terraform Plan 📖 \`${{ steps.plan.outcome }}\` | |
| <details><summary>Show Plan</summary> | |
| \`\`\`terraform\n | |
| ${planOutput} | |
| \`\`\` | |
| </details> | |
| [Download](https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }}) plan graph (Artifacts/plan.svg)`; | |
| if (botComment) { | |
| github.rest.issues.updateComment({ | |
| owner: context.repo.owner, | |
| repo: context.repo.repo, | |
| comment_id: botComment.id, | |
| body: output | |
| }) | |
| } else { | |
| github.rest.issues.createComment({ | |
| issue_number: context.issue.number, | |
| owner: context.repo.owner, | |
| repo: context.repo.repo, | |
| body: output | |
| }) | |
| } | |
| - name: Terraform Status | |
| if: steps.init.outcome == 'failure' || steps.plan.outcome == 'failure' | |
| run: exit 1 | |
| terraform-apply: | |
| if: needs.setup.outputs.should_apply == 'true' && github.event_name != 'pull_request' | |
| needs: [terraform-format-checks, terraform-plan, setup] | |
| runs-on: ubuntu-latest | |
| permissions: | |
| contents: read | |
| id-token: write | |
| env: | |
| WORKSPACE: "${{ needs.setup.outputs.workspace }}" | |
| steps: | |
| - name: Checkout | |
| uses: actions/checkout@v2 | |
| with: | |
| fetch-depth: 1 | |
| - name: Configure AWS Credentials | |
| uses: aws-actions/configure-aws-credentials@v4 | |
| with: | |
| role-to-assume: ${{ env.AWS_ROLE_TO_ASSUME }} | |
| aws-region: ${{ env.AWS_REGION }} |