Update CI build versions. Add pre-commit.

Author: brikis98

.circleci/config.yml

@@ -4,26 +4,25 @@ workspace_root: &workspace_root /go/src/github.com/hashicorp/terraform-aws-consu
 defaults: &defaults
   working_directory: *workspace_root
   docker:
-    - image: 087285199408.dkr.ecr.us-east-1.amazonaws.com/circle-ci-test-image-base:go1.13
+    - image: 087285199408.dkr.ecr.us-east-1.amazonaws.com/circle-ci-test-image-base:tf13
 
 version: 2
 jobs:
-  validate_terraform:
-    docker:
-      - image: hashicorp/terraform
-    steps:
-      - checkout
-      - run:
-          name: Validate Terraform Formatting
-          command: '[ -z "$(terraform fmt -write=false)" ] || { terraform fmt -write=false -diff; exit 1; }'
-
   test:
     <<: *defaults
     steps:
       - checkout
       - run: echo 'export PATH=$HOME/terraform:$HOME/packer:$PATH' >> $BASH_ENV
       - attach_workspace:
           at: *workspace_root
+      - run:
+          # Fail the build if the pre-commit hooks don't pass. Note: if you run $ pre-commit install locally within this repo, these hooks will
+          # execute automatically every time before you commit, ensuring the build never fails at this step!
+          name: run pre-commit hooks
+          command: |
+            pip install pre-commit==1.21.0 cfgv==2.0.1
+            pre-commit install
+            pre-commit run --all-files
       - run:
           command: |
             mkdir -p /tmp/logs

.pre-commit-config.yaml

@@ -0,0 +1,6 @@
+repos:
+  - repo: https://github.com/gruntwork-io/pre-commit
+    rev:  v0.1.10
+    hooks:
+      - id: terraform-fmt
+      - id: gofmt