image: "alpine:latest"

stages:
  - format-tf
  - validate-tf

before_script:
  - wget -q https://releases.hashicorp.com/terraform/0.12.28/terraform_0.12.28_linux_amd64.zip -O terraform.zip && unzip terraform.zip && mv terraform /bin
  - wget -q https://github.com/terraform-linters/tflint/releases/download/v0.16.2/tflint_linux_amd64.zip -O tflint.zip && unzip tflint.zip && mv tflint /bin

tf_format:
  only:
    - develop
  stage: format-tf
  script: |
    #!/bin/sh
    check_fmt=$(find . -name "*.tf" | xargs -I{} terraform fmt -write=false {} | sed '/^\s*$/d')
    if test -n "$check_fmt"; then
      echo "____Terraform format check failed:"
      echo ""
      echo $check_fmt
      echo "^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^"
      exit 1
    fi

tf_validate:
  only:
    - develop
  stage: validate-tf
  script: |
    #!/bin/sh
    terraform init -backend=false
    terraform validate . && tflint