Add terraform fmt check

.circleci/config.yml

@@ -1,5 +1,16 @@
 version: 2
 jobs:
+  verify:
+    docker:
+      - image: circleci/golang:latest
+    steps:
+      - checkout
+      - run: wget -O terraform.zip https://releases.hashicorp.com/terraform/0.11.7/terraform_0.11.7_linux_amd64.zip
+      - run: unzip terraform.zip
+      - run: sudo mv terraform /usr/local/bin/terraform
+      - run: for dir in $(find . -name \*.tf -exec dirname {} \; | sort | uniq); do echo ${dir} && terraform validate -check-variables=false
+${dir}; done
+      - run: terraform fmt -check
   hold:
     machine: true
     steps:
@@ -139,7 +150,10 @@ workflows:
   version: 2
   workflow:
     jobs:
+      - verify
       - hold:
+          requires:
+            - verify
           type: approval
           filters:
             branches: