Update CircleCI config

Author: snemetz

.circleci/config.yml

@@ -3,7 +3,7 @@ version: 2
 jobs:
   build:
     docker:
-      - image: hashicorp/terraform:0.11.2
+      - image: hashicorp/terraform:0.11.3
         entrypoint: /bin/sh
     steps:
       - checkout
@@ -23,21 +23,43 @@ jobs:
       - run:
           name: "Install: tflint"
           command: |
-              apk add wget
-              wget https://github.com/wata727/tflint/releases/download/v0.5.4/tflint_linux_amd64.zip
+              apk add jq wget
+              # Get latest version of tflint
+              pkg_arch=linux_amd64
+              dl_url=$(curl -s https://api.github.com/repos/wata727/tflint/releases/latest | jq -r ".assets[] | select(.name | test(\"${pkg_arch}\")) | .browser_download_url")
+              wget ${dl_url}
               unzip tflint_linux_amd64.zip
               mkdir -p /usr/local/tflint/bin
-              export PATH=/usr/local/tflint/bin:$PATH
+              # Setup PATH for later run steps - ONLY for Bash and not in Bash
+              #echo 'export PATH=/usr/local/tflint/bin:$PATH' >> $BASH_ENV
+              echo "Installing tflint..."
               install tflint /usr/local/tflint/bin
-      #- run:
-      #    # Not supporting modules from registry ?? v0.5.4
-      #    name: "Check: tflint"
-      #    command: |
-      #        echo "Initializing terraform..."
-      #        terraform init -input=false
-      #        echo "Running tflint..."
-      #        /usr/local/tflint/bin/tflint --version
-      #        /usr/local/tflint/bin/tflint
+              echo "Configuring tflint..."
+              tf_ver=$(terraform version | awk 'FNR <= 1' | cut -dv -f2)
+              echo -e "\tConfig for terraform version: ${tf_ver}"
+              if [ -f '.tflint.hcl' ]; then
+                sed -i "/terraform_version =/s/\".*\"/\"${tf_ver}\"/" .tflint.hcl
+              else
+                {
+                echo -e "config {\nterraform_version = \"${tf_ver}\"\ndeep_check = true\nignore_module = {"
+                for module in $(grep -h '[^a-zA-Z]source[ =]' *.tf | sed -r 's/.*=\s+//' | sort -u); do
+                  echo "${module} = true"
+                done
+                echo "}}"
+                } > .tflint.hcl
+                fi
+              echo "tflint configuration:"
+              cat .tflint.hcl
+      - run:
+          # Not supporting modules from registry ?? v0.5.4
+          # For now, must ignore in config file
+          name: "Check: tflint"
+          command: |
+              #echo "Initializing terraform..."
+              #terraform init -input=false
+              echo "Running tflint..."
+              /usr/local/tflint/bin/tflint --version
+              /usr/local/tflint/bin/tflint
 
 workflows:
   version: 2