Extemely simple shell script to check if currently installed Terraform providers are to the latest available version. Requires Terraform, JQ and CURL.

terraform-providers-versions-check

#!/bin/sh

set -eo pipefail

if ! command -v terraform &> /dev/null
then
    echo 'Terraform is not installed or `terraform` executable could not be found in $PATH.' >&2
    exit 127
fi
if ! command -v jq &> /dev/null
then
    echo 'JQ is not installed or `jq` executable could not be found in $PATH.' >&2
    exit 127
fi
if ! command -v curl &> /dev/null
then
    echo 'CURL is not installed or `curl` executable could not be found in $PATH.' >&2
    exit 127
fi

CHDIR="${1:-.}"

STATUS=0
for p in $(terraform -chdir="${CHDIR}" version -json | jq '.provider_selections | to_entries[] | "\(.key)@\(.value)"' -cr)
do
    PROVIDER="$(cut -d@ -f1 <<< $p)"
    REGISTRY="$(cut -d/ -f1 <<< "${PROVIDER}")"
    PROVIDER_NAME="$(cut -d/ -f2- <<< "${PROVIDER}")"
    CURRENT_VERSION="$(cut -d@ -f2 <<< $p)"

    printf "=====> \e[1;34m%s\e[0m: %s (current) -> " "${PROVIDER}" "${CURRENT_VERSION}"

    LATEST_VERSION="$(curl -sf "https://${REGISTRY}/v1/providers/${PROVIDER_NAME}" | jq -r '.version')"
    if [ "${LATEST_VERSION}" = "${CURRENT_VERSION}" ]
    then
        printf "\e[32m%s\e[0m\n" "${LATEST_VERSION}"
    elif [ "$(cut -d. -f 1 <<< "${LATEST_VERSION}")" = "$(cut -d. -f 1 <<< "${CURRENT_VERSION}")" ]
    then
        printf "\e[1;33m%s\e[0m\n" "${LATEST_VERSION}"
        STATUS=1
    else
        printf "\e[1;31m%s\e[0m\n" "${LATEST_VERSION}"
        STATUS=1
    fi
done

exit $STATUS

Example usage:

• Check versions of Terraform providers for the module located in the current working directory:

  $ terraform-providers-versions-check

• Check versions of Terraform providers for the module located in ./my-module:

  $ terraform-providers-versions-check ./my-module