Setup and run aztfy

run.sh

#!/bin/bash

# This script setup aztfy and run it in batch mode for terrafying a resource group.
# Afterwards, it will download the output files (incl. HCL and state file) to your local fs.

set -e

MYDIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
MYNAME="$(basename "${BASH_SOURCE[0]}")"

die() {
    echo "$@" >&2
    exit 1
}

usage() {
    cat << EOF
Usage: ./${MYNAME} [options]

(Azure CLI is needed to be installed and logged in)

Options:
    -h|--help               show this message
    --subscription-id       the subscription id used to run aztfy
    --resource-group        the resource group name to run aztfy
EOF
}

while :; do
    case $1 in
        -h|--help)
            usage
            exit 1
            ;;
        --subscription-id)
            shift
            subid=$1
            ;;
        --resource-group)
            shift
            rg=$1
            ;;
        --)
            shift
            break
            ;;
        *)
            break
            ;;
    esac
    shift
done

[[ -z $subid ]] && die 'Option "--subscription-id" is not specified'
[[ -z $rg ]] && die 'Option "--resource-group" is not specified'

# Ensure aztfy with the expected version is installed
VERSION=v0.7.0
AZTFY_INSTALL_DIR=$HOME/.aztfy.d
[[ -d $AZTFY_INSTALL_DIR ]] || mkdir $AZTFY_INSTALL_DIR

if [[ ! -x $AZTFY_INSTALL_DIR/aztfy ]] || ! grep -q ${VERSION} < <($AZTFY_INSTALL_DIR/aztfy -v) ; then
    echo "Downloading aztfy ${VERSION}"
    tmp_dir=$(mktemp -d)
    wget "https://github.com/Azure/aztfy/releases/download/${VERSION}/aztfy_${VERSION}_linux_amd64.zip" -O ${tmp_dir}/aztfy.zip -q
    unzip ${tmp_dir}/aztfy.zip -d $AZTFY_INSTALL_DIR > /dev/null
    rm -r ${tmp_dir}
fi

# Setup azure cli
az account set -s $subid

# Run aztfy
outdir=$(mktemp -d)
${AZTFY_INSTALL_DIR}/aztfy rg --batch --output-dir $outdir $rg

# Package the result
outfile=$HOME/aztfy_result_$(date +%s).zip
pushd $outdir > /dev/null
zip -q $outfile main.tf provider.tf terraform.tfstate
popd > /dev/null

# Download is a Azure cloud shell script, which downloads stuff from cloud shell to your local fs.
download ${outfile}