Adding github actions file

Adding github actions file

.github/workflows/terraform-apply.yml

@@ -0,0 +1,45 @@
+name: "Terraform Apply"
+
+on:
+  push:
+    branches:
+      - main
+
+env:
+  TF_CLOUD_ORGANIZATION: "nitheeshp"
+  TF_API_TOKEN: "${{ secrets.TF_API_TOKEN }}"
+  TF_WORKSPACE: "control-tower"
+  CONFIG_DIRECTORY: "./"
+
+jobs:
+  terraform:
+    if: github.repository != 'hashicorp-education/learn-terraform-github-actions'
+    name: "Terraform Apply"
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Upload Configuration
+        uses: hashicorp/tfc-workflows-github/actions/[email protected]
+        id: apply-upload
+        with:
+          workspace: ${{ env.TF_WORKSPACE }}
+          directory: ${{ env.CONFIG_DIRECTORY }}
+
+      - name: Create Apply Run
+        uses: hashicorp/tfc-workflows-github/actions/[email protected]
+        id: apply-run
+        with:
+          workspace: ${{ env.TF_WORKSPACE }}
+          configuration_version: ${{ steps.apply-upload.outputs.configuration_version_id }}
+
+      - name: Apply
+        uses: hashicorp/tfc-workflows-github/actions/[email protected]
+        if: fromJSON(steps.apply-run.outputs.payload).data.attributes.actions.IsConfirmable
+        id: apply
+        with:
+          run: ${{ steps.apply-run.outputs.run_id }}
+          comment: "Apply Run from GitHub Actions CI ${{ github.sha }}"

.github/workflows/terraform-plan.yml

@@ -0,0 +1,121 @@
+name: "Terraform Plan"
+
+on:
+  pull_request:
+
+env:
+  TF_CLOUD_ORGANIZATION: "nitheeshp"
+  TF_API_TOKEN: "${{ secrets.TF_API_TOKEN }}"
+  TF_WORKSPACE: "control-tower"
+  CONFIG_DIRECTORY: "./"
+
+jobs:
+  Terraform-Test:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check Environment Variables
+        env:
+          TF_CLOUD_ORGANIZATION: ${{ env.TF_CLOUD_ORGANIZATION }}
+          TF_API_TOKEN: ${{ secrets.TF_API_TOKEN }}
+          TF_WORKSPACE: ${{ env.TF_WORKSPACE }}
+          CONFIG_DIRECTORY: ${{ env.CONFIG_DIRECTORY }}
+        run: |
+          if [ -z "${TF_CLOUD_ORGANIZATION}" ]; then
+            echo "TF_CLOUD_ORGANIZATION is not set."
+            exit 1
+          fi
+          if [ -z "${TF_API_TOKEN}" ]; then
+            echo "TF_API_TOKEN is not set."
+            exit 1
+          fi
+          if [ -z "${TF_WORKSPACE}" ]; then
+            echo "TF_WORKSPACE is not set."
+            exit 1
+          fi
+          if [ -z "${CONFIG_DIRECTORY}" ]; then
+            echo "CONFIG_DIRECTORY is not set."
+            exit 1
+          fi
+          echo "All required environment variables are set."
+
+      - name: Checkout Code
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - name: Verify Checkout
+        run: |
+          if [ ! -d ".git" ]; then
+            echo "Checkout failed."
+            exit 1
+          fi
+          echo "Checkout succeeded."
+           
+  terraform:
+    if: github.repository != 'hashicorp-education/learn-terraform-github-actions'
+    name: "Terraform Plan"
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      pull-requests: write
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Upload Configuration
+        uses: hashicorp/tfc-workflows-github/actions/[email protected]
+        id: plan-upload
+        with:
+          workspace: ${{ env.TF_WORKSPACE }}
+          directory: ${{ env.CONFIG_DIRECTORY }}
+          speculative: true
+
+      - name: Create Plan Run
+        uses: hashicorp/tfc-workflows-github/actions/[email protected]
+        id: plan-run
+        with:
+          workspace: ${{ env.TF_WORKSPACE }}
+          configuration_version: ${{ steps.plan-upload.outputs.configuration_version_id }}
+          plan_only: true
+
+      - name: Get Plan Output
+        uses: hashicorp/tfc-workflows-github/actions/[email protected]
+        id: plan-output
+        with:
+          plan: ${{ fromJSON(steps.plan-run.outputs.payload).data.relationships.plan.data.id }}
+
+      - name: Update PR
+        uses: actions/github-script@v6
+        id: plan-comment
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          script: |
+            // 1. Retrieve existing bot comments for the PR
+            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 Cloud Plan Output')
+            });
+            const output = `#### Terraform Cloud Plan Output
+               \`\`\`
+               Plan: ${{ steps.plan-output.outputs.add }} to add, ${{ steps.plan-output.outputs.change }} to change, ${{ steps.plan-output.outputs.destroy }} to destroy.
+               \`\`\`
+               [Terraform Cloud Plan](${{ steps.plan-run.outputs.run_link }})
+               `;
+            // 3. Delete previous comment so PR timeline makes sense
+            if (botComment) {
+              github.rest.issues.deleteComment({
+                owner: context.repo.owner,
+                repo: context.repo.repo,
+                comment_id: botComment.id,
+              });
+            }
+            github.rest.issues.createComment({
+              issue_number: context.issue.number,
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              body: output
+            });