get_terraform_versions_dockerized.sh

.github/workflows/ci.yml

@@ -58,7 +58,7 @@ jobs:
 
     - name: Get Terraform version
       run: |
-        TERRAFORM_VERSION=$(jq --raw-output '.terraform_version' cookiecutter.json)
+        source scripts/get_terraform_versions_dockerized.sh
         echo "TERRAFORM_VERSION=${TERRAFORM_VERSION}" >> "${GITHUB_ENV}"
 
     - name: Setup Terraform

Dockerfile

@@ -1,8 +1,8 @@
 FROM golang:1.22.3
 
-RUN apt-get update && apt-get install --yes jq vim
+RUN apt-get update && apt-get install --yes jq
 
 # https://pkg.go.dev/github.com/hashicorp/terraform-config-inspect?tab=versions
 RUN go install github.com/hashicorp/terraform-config-inspect@v0.0.0-20240509232506-4708120f8f30
 
-CMD external/scripts/run_from_docker_container.sh
+CMD external/scripts/get_terraform_versions_json.sh external

hooks/pre_prompt.sh

@@ -1,6 +1,4 @@
 #!/bin/bash
 
-DOCKER_IMAGE_TAG="tf-config-inspect"
-
-docker build --tag "${DOCKER_IMAGE_TAG}" "."
-docker run --rm --volume ".:/go/external" "${DOCKER_IMAGE_TAG}"
+source scripts/get_terraform_versions_dockerized.sh
+scripts/edit_cookiecutter_json.sh

scripts/edit_cookiecutter_json.sh

@@ -3,10 +3,7 @@
 [[ -z "${TERRAFORM_VERSION}" ]] && echo "Error: TERRAFORM_VERSION must be defined" && exit 10
 [[ -z "${TERRAFORM_AWS_VERSION}" ]] && echo "Error: TERRAFORM_AWS_VERSION must be defined" && exit 20
 
-COOKIECUTTER_JSON="$1"
-[[ -z "${COOKIECUTTER_JSON}" ]] && echo "Error: COOKIECUTTER_JSON must be passed as first argument" && exit 100
-
 ex -u NONE \
   -c "%s/<TERRAFORM_VERSION>/${TERRAFORM_VERSION}/" \
   -c "%s/<TERRAFORM_AWS_VERSION>/${TERRAFORM_AWS_VERSION}/" \
-  -c "wq" "${COOKIECUTTER_JSON}"
+  -c "wq" "cookiecutter.json"

scripts/get_terraform_versions_dockerized.sh

@@ -0,0 +1,15 @@
+#!/bin/bash
+
+DOCKER_IMAGE_TAG="tf-config-inspect"
+
+docker build --tag "${DOCKER_IMAGE_TAG}" "."
+
+ALL_TERRAFORM_VERSIONS=$( docker run --rm --volume ".:/go/external" "${DOCKER_IMAGE_TAG}" )
+
+echo "ALL_TERRAFORM_VERSIONS = ${ALL_TERRAFORM_VERSIONS}"
+
+export TERRAFORM_VERSION=$( echo "${ALL_TERRAFORM_VERSIONS}" | jq --raw-output '.terraform_version' )
+echo "TERRAFORM_VERSION = ${TERRAFORM_VERSION}"
+
+export TERRAFORM_AWS_VERSION=$( echo "${ALL_TERRAFORM_VERSIONS}" | jq --raw-output '.terraform_aws_version' )
+echo "TERRAFORM_AWS_VERSION = ${TERRAFORM_AWS_VERSION}"

scripts/get_terraform_versions_json.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+
+TERRAFORM_PROD_DIR="$1"
+[[ -z "${TERRAFORM_PROD_DIR}" ]] && echo '{ "error": "TERRAFORM_PROD_DIR must be passed as first argument" }' && exit 10
+
+terraform-config-inspect --json "${TERRAFORM_PROD_DIR}" | \
+  jq --monochrome-output --compact-output '{
+    "terraform_version": .required_core[0],
+    "terraform_aws_version": .required_providers.aws.version_constraints[0]
+  }'