TF Diff - Checando diferenças nos arquivos terraform

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TF Diff - Checando diferenças nos arquivos terraform

Trabalha com Terraform?

Costuma reforçar o uso de terraform fmt nos Pull Requests do seu time?

Cansou de validar se os arquivos do Pull Request seguem corretamenta a sintaxe?

SEUS PROBLEMAS ACABARAM!

Esse script em bash, ao ser executado, valida quais arquivos foram adicionados e/ou modificados, dizendo quais devem ser verificados.

Requisitos

• Docker
• Bash
• Git

tfdiff.sh

#!/bin/bash

echo ""
echo " ======================================================================== "
echo " :           ████████ ███████     ██████  ██ ███████ ███████            : "
echo " :              ██    ██          ██   ██ ██ ██      ██                 : "
echo " :              ██    █████       ██   ██ ██ █████   █████              : "
echo " :              ██    ██          ██   ██ ██ ██      ██                 : "
echo " :              ██    ██          ██████  ██ ██      ██                 : "
echo " ======================================================================== "
echo ""

echo " Check differences with terraform fmt on all changed .tf files."
echo ""
echo ""

LIST=./list.txt
if [[ -z "${BASE_BRANCH}" ]]; then
  export BASE_BRANCH="master"
fi
if [[ -z "${TF_VERSION}" ]]; then
  export TF_VERSION="0.11.14"
fi

echo " === Upgrading repository references ====================================>"
echo ""

git fetch --all > /dev/null 2>&1
git diff origin/$BASE_BRANCH...$1 --name-only --diff-filter=AM | grep .tf > "$LIST"

echo " === Target Branch: $1"
echo " === Base Branch: $BASE_BRANCH"
echo " === Terraform Version: $TF_VERSION"
echo " === Files to check:"
cat "$LIST"
echo ""

echo " === Checking files =====================================================>"
while IFS= read -r file; do
  docker run --rm -v $(pwd):/code -w /code hashicorp/terraform:${TF_VERSION} fmt -check=true -list=false ./"$file"
  if [ $? = 0 ]; then
    printf " = OK: $file\n"
  else
    printf " = FAILED: $file\n"
    break
  fi
done < "$LIST"
rm "$LIST"
echo ""

echo " === Done! ==============================================================>"
echo ""