[autoSync] CI: add fmt, validate, tflint check

Author: shanye997

Diff for: .github/workflows/e2e.yml

@@ -11,8 +11,107 @@ on:
       - '**/*.tf'
 
 jobs:
+  terraform-fmt:
+    runs-on: ubuntu-latest
+    steps:
+      - name: checkout
+        uses: actions/checkout@v3
+      - name: fmt-check
+        run: |
+          if [ ! -f /usr/local/bin/terraform ]; then
+            wget -q https://releases.hashicorp.com/terraform/1.6.0/terraform_1.6.0_linux_amd64.zip
+            unzip terraform_1.6.0_linux_amd64.zip -d /usr/local/bin/
+          fi
+          error=false
+          echo "===> Terraform fmt -diff checking"
+          terraform fmt -diff -recursive -check
+          if [[ $? -ne 0 ]]; then
+            echo -e "\033[31m[ERROR]\033[0m: Some codes has not been formatted, and please running terraform fmt --recursive command before pushing."
+            exit 1
+          fi
+
+  terraform-validate:
+    runs-on: ubuntu-latest
+    steps:
+      - name: checkout
+        uses: actions/checkout@v3
+      - name: validate-check
+        run: |
+          if [ ! -f /usr/local/bin/terraform ]; then
+            wget -q https://releases.hashicorp.com/terraform/1.6.0/terraform_1.6.0_linux_amd64.zip
+            unzip terraform_1.6.0_linux_amd64.zip -d /usr/local/bin/
+          fi
+          exp="examples"
+          submod="modules"
+          output_file="combined_output.txt"
+          echo "./" > "$output_file"
+          if [[ -d "$exp" ]]; then
+              find $exp -type d -print -mindepth 1 -maxdepth 1 >> $output_file
+          fi
+          if [[ -d "$submod" ]]; then
+              find $submod -type d -print -mindepth 1 -maxdepth 1 >> $output_file
+          fi
+
+          exitCode=0
+          while IFS= read -r line
+          do
+              echo "===> Terraform validate checking in $line"
+              terraform -chdir=$line init -upgrade
+              terraform -chdir=$line validate
+              if [[ $? -ne 0 ]]; then
+                  echo -e "\033[31m[ERROR]\033[0m: Some codes contain errors, and please running terraform validate command before pushing."
+                  exitCode=1
+              fi
+          done < $output_file
+          rm $output_file
+          exit $exitCode
+  
+  tflint:
+    runs-on: ubuntu-latest
+    steps:
+      - name: checkout
+        uses: actions/checkout@v3
+
+      - uses: actions/checkout@v4
+        name: Checkout source code
+
+      - uses: actions/cache@v4
+        name: Cache plugin dir
+        with:
+          path: ~/.tflint.d/plugins
+          key: ${{ matrix.os }}-tflint-${{ hashFiles('.tflint.hcl') }}
+
+      - uses: terraform-linters/setup-tflint@v4
+        name: Setup TFLint
+        with:
+          tflint_version: v0.52.0
+
+      - name: Init TFLint
+        run: tflint --init
+        env:
+          GITHUB_TOKEN: ${{ github.token }}
+
+      - name: tflint
+        run: |
+          tflint --recursive \
+            --enable-rule=terraform_comment_syntax \
+            --enable-rule=terraform_deprecated_index \
+            --enable-rule=terraform_deprecated_interpolation \
+            --enable-rule=terraform_deprecated_lookup \
+            --enable-rule=terraform_documented_outputs \
+            --enable-rule=terraform_documented_variables \
+            --enable-rule=terraform_typed_variables \
+            --enable-rule=terraform_unused_declarations \
+            --enable-rule=terraform_required_version \
+            --disable-rule=terraform_required_providers \
+            --disable-rule=terraform_module_version
+          if [[ $? -ne 0 ]]; then
+              exit_code=1
+          fi
+          
   e2e-check:
     # if: github.event.review.state == 'approved' || github.event.review.body == 'approved'
+    needs: [terraform-fmt, terraform-validate, tflint]
     runs-on: ubuntu-latest
     name: 'e2e check'
     steps: