219 lines
9.2 KiB
Bash
219 lines
9.2 KiB
Bash
#!/usr/bin/env bash
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#-------------------------------------------------------------------------------------------------------------
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# Copyright (c) Microsoft Corporation. All rights reserved.
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# Licensed under the MIT License. See https://go.microsoft.com/fwlink/?linkid=2090316 for license information.
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#-------------------------------------------------------------------------------------------------------------
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#
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# Docs: https://github.com/microsoft/vscode-dev-containers/blob/main/script-library/docs/terraform.md
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# Maintainer: The VS Code and Codespaces Teams
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#
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# Syntax: ./terraform-debian.sh [terraform version] [tflint version] [terragrunt version] [terraform SHA] [tflint SHA] [terragrunt SHA]
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set -e
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TERRAFORM_VERSION="${1:-"latest"}"
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TFLINT_VERSION="${2:-"latest"}"
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TERRAGRUNT_VERSION="${3:-"latest"}"
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TERRAFORM_SHA256="${4:-"automatic"}"
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TFLINT_SHA256="${5:-"automatic"}"
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TERRAGRUNT_SHA256="${6:-"automatic"}"
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TERRAFORM_GPG_KEY="72D7468F"
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TFLINT_GPG_KEY_URI="https://raw.githubusercontent.com/terraform-linters/tflint/master/8CE69160EB3F2FE9.key"
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GPG_KEY_SERVERS="keyserver hkp://keyserver.ubuntu.com:80
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keyserver hkps://keys.openpgp.org
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keyserver hkp://keyserver.pgp.com"
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architecture="$(uname -m)"
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case ${architecture} in
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x86_64) architecture="amd64";;
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aarch64 | armv8*) architecture="arm64";;
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aarch32 | armv7* | armvhf*) architecture="arm";;
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i?86) architecture="386";;
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*) echo "(!) Architecture ${architecture} unsupported"; exit 1 ;;
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esac
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if [ "$(id -u)" -ne 0 ]; then
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echo -e 'Script must be run as root. Use sudo, su, or add "USER root" to your Dockerfile before running this script.'
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exit 1
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fi
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# Get central common setting
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get_common_setting() {
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if [ "${common_settings_file_loaded}" != "true" ]; then
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curl -sfL "https://aka.ms/vscode-dev-containers/script-library/settings.env" 2>/dev/null -o /tmp/vsdc-settings.env || echo "Could not download settings file. Skipping."
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common_settings_file_loaded=true
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fi
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if [ -f "/tmp/vsdc-settings.env" ]; then
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local multi_line=""
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if [ "$2" = "true" ]; then multi_line="-z"; fi
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local result="$(grep ${multi_line} -oP "$1=\"?\K[^\"]+" /tmp/vsdc-settings.env | tr -d '\0')"
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if [ ! -z "${result}" ]; then declare -g $1="${result}"; fi
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fi
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echo "$1=${!1}"
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}
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# Import the specified key in a variable name passed in as
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receive_gpg_keys() {
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get_common_setting $1
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local keys=${!1}
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get_common_setting GPG_KEY_SERVERS true
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local keyring_args=""
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if [ ! -z "$2" ]; then
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keyring_args="--no-default-keyring --keyring $2"
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fi
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# Use a temporary locaiton for gpg keys to avoid polluting image
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export GNUPGHOME="/tmp/tmp-gnupg"
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mkdir -p ${GNUPGHOME}
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chmod 700 ${GNUPGHOME}
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echo -e "disable-ipv6\n${GPG_KEY_SERVERS}" > ${GNUPGHOME}/dirmngr.conf
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# GPG key download sometimes fails for some reason and retrying fixes it.
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local retry_count=0
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local gpg_ok="false"
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set +e
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until [ "${gpg_ok}" = "true" ] || [ "${retry_count}" -eq "5" ];
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do
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echo "(*) Downloading GPG key..."
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( echo "${keys}" | xargs -n 1 gpg -q ${keyring_args} --recv-keys) 2>&1 && gpg_ok="true"
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if [ "${gpg_ok}" != "true" ]; then
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echo "(*) Failed getting key, retring in 10s..."
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(( retry_count++ ))
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sleep 10s
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fi
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done
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set -e
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if [ "${gpg_ok}" = "false" ]; then
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echo "(!) Failed to get gpg key."
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exit 1
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fi
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}
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# Figure out correct version of a three part version number is not passed
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find_version_from_git_tags() {
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local variable_name=$1
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local requested_version=${!variable_name}
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if [ "${requested_version}" = "none" ]; then return; fi
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local repository=$2
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local prefix=${3:-"tags/v"}
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local separator=${4:-"."}
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local last_part_optional=${5:-"false"}
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if [ "$(echo "${requested_version}" | grep -o "." | wc -l)" != "2" ]; then
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local escaped_separator=${separator//./\\.}
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local last_part
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if [ "${last_part_optional}" = "true" ]; then
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last_part="(${escaped_separator}[0-9]+)?"
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else
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last_part="${escaped_separator}[0-9]+"
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fi
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local regex="${prefix}\\K[0-9]+${escaped_separator}[0-9]+${last_part}$"
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local version_list="$(git ls-remote --tags ${repository} | grep -oP "${regex}" | tr -d ' ' | tr "${separator}" "." | sort -rV)"
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if [ "${requested_version}" = "latest" ] || [ "${requested_version}" = "current" ] || [ "${requested_version}" = "lts" ]; then
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declare -g ${variable_name}="$(echo "${version_list}" | head -n 1)"
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else
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set +e
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declare -g ${variable_name}="$(echo "${version_list}" | grep -E -m 1 "^${requested_version//./\\.}([\\.\\s]|$)")"
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set -e
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fi
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fi
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if [ -z "${!variable_name}" ] || ! echo "${version_list}" | grep "^${!variable_name//./\\.}$" > /dev/null 2>&1; then
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echo -e "Invalid ${variable_name} value: ${requested_version}\nValid values:\n${version_list}" >&2
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exit 1
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fi
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echo "${variable_name}=${!variable_name}"
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}
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# Function to run apt-get if needed
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apt_get_update_if_needed()
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{
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if [ ! -d "/var/lib/apt/lists" ] || [ "$(ls /var/lib/apt/lists/ | wc -l)" = "0" ]; then
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echo "Running apt-get update..."
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apt-get update
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else
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echo "Skipping apt-get update."
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fi
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}
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# Checks if packages are installed and installs them if not
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check_packages() {
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if ! dpkg -s "$@" > /dev/null 2>&1; then
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apt_get_update_if_needed
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apt-get -y install --no-install-recommends "$@"
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fi
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}
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# Ensure apt is in non-interactive to avoid prompts
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export DEBIAN_FRONTEND=noninteractive
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# Install dependencies if missing
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check_packages curl ca-certificates gnupg2 dirmngr coreutils unzip
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if ! type git > /dev/null 2>&1; then
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apt_get_update_if_needed
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apt-get -y install --no-install-recommends git
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fi
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# Verify requested version is available, convert latest
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find_version_from_git_tags TERRAFORM_VERSION 'https://github.com/hashicorp/terraform'
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find_version_from_git_tags TFLINT_VERSION 'https://github.com/terraform-linters/tflint'
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find_version_from_git_tags TERRAGRUNT_VERSION 'https://github.com/gruntwork-io/terragrunt'
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mkdir -p /tmp/tf-downloads
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cd /tmp/tf-downloads
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# Install Terraform, tflint, Terragrunt
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echo "Downloading terraform..."
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terraform_filename="terraform_${TERRAFORM_VERSION}_linux_${architecture}.zip"
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curl -sSL -o ${terraform_filename} "https://releases.hashicorp.com/terraform/${TERRAFORM_VERSION}/${terraform_filename}"
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if [ "${TERRAFORM_SHA256}" != "dev-mode" ]; then
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if [ "${TERRAFORM_SHA256}" = "automatic" ]; then
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receive_gpg_keys TERRAFORM_GPG_KEY
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curl -sSL -o terraform_SHA256SUMS https://releases.hashicorp.com/terraform/${TERRAFORM_VERSION}/terraform_${TERRAFORM_VERSION}_SHA256SUMS
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curl -sSL -o terraform_SHA256SUMS.sig https://releases.hashicorp.com/terraform/${TERRAFORM_VERSION}/terraform_${TERRAFORM_VERSION}_SHA256SUMS.${TERRAFORM_GPG_KEY}.sig
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gpg --verify terraform_SHA256SUMS.sig terraform_SHA256SUMS
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else
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echo "${TERRAFORM_SHA256} *${terraform_filename}" > terraform_SHA256SUMS
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fi
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sha256sum --ignore-missing -c terraform_SHA256SUMS
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fi
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unzip ${terraform_filename}
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mv -f terraform /usr/local/bin/
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if [ "${TFLINT_VERSION}" != "none" ]; then
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echo "Downloading tflint..."
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TFLINT_FILENAME="tflint_linux_${architecture}.zip"
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curl -sSL -o /tmp/tf-downloads/${TFLINT_FILENAME} https://github.com/terraform-linters/tflint/releases/download/v${TFLINT_VERSION}/${TFLINT_FILENAME}
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if [ "${TFLINT_SHA256}" != "dev-mode" ]; then
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if [ "${TFLINT_SHA256}" = "automatic" ]; then
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get_common_setting TFLINT_GPG_KEY_URI
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curl -sSL -o tflint_key "${TFLINT_GPG_KEY_URI}"
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gpg -q --import tflint_key
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curl -sSL -o tflint_checksums.txt https://github.com/terraform-linters/tflint/releases/download/v${TFLINT_VERSION}/checksums.txt
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curl -sSL -o tflint_checksums.txt.sig https://github.com/terraform-linters/tflint/releases/download/v${TFLINT_VERSION}/checksums.txt.sig
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gpg --verify tflint_checksums.txt.sig tflint_checksums.txt
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else
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echo "${TFLINT_SHA256} *${TFLINT_FILENAME}" > tflint_checksums.txt
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fi
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sha256sum --ignore-missing -c tflint_checksums.txt
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fi
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unzip /tmp/tf-downloads/${TFLINT_FILENAME}
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mv -f tflint /usr/local/bin/
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fi
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if [ "${TERRAGRUNT_VERSION}" != "none" ]; then
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echo "Downloading Terragrunt..."
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terragrunt_filename="terragrunt_linux_${architecture}"
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curl -sSL -o /tmp/tf-downloads/${terragrunt_filename} https://github.com/gruntwork-io/terragrunt/releases/download/v${TERRAGRUNT_VERSION}/${terragrunt_filename}
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if [ "${TERRAGRUNT_SHA256}" != "dev-mode" ]; then
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if [ "${TERRAGRUNT_SHA256}" = "automatic" ]; then
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curl -sSL -o terragrunt_SHA256SUMS https://github.com/gruntwork-io/terragrunt/releases/download/v${TERRAGRUNT_VERSION}/SHA256SUMS
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else
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echo "${TERRAGRUNT_SHA256} *${terragrunt_filename}" > terragrunt_SHA256SUMS
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fi
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sha256sum --ignore-missing -c terragrunt_SHA256SUMS
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fi
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chmod a+x /tmp/tf-downloads/${terragrunt_filename}
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mv -f /tmp/tf-downloads/${terragrunt_filename} /usr/local/bin/terragrunt
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fi
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rm -rf /tmp/tf-downloads ${GNUPGHOME}
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echo "Done!"
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