Terraform helper script for workspace-per-environment model

tf.sh

#!/bin/bash

cmd=$1
shift
env=$1
shift
terraform workspace select $env || exit_error "failed to select workspace $env"
case $cmd in
    # Custom command: plan -> outfile, confirm, apply outfile
    planapply)
        pfile=/tmp/${env}_$(date +%s).tfplan
        terraform plan -var-file=$env.tfvars -out="$pfile" $@
        echo -n "OK? [y/N] "
        read choice
        if [[ "$choice" == "y" ]]; then
            terraform apply "$pfile"
        else
            echo "Aborted."
        fi
        rm "$pfile"
        ;;
    # Only plan/apply/console/destroy/import/refresh/validate use -var-file, others will error if its passed
    plan|apply|console|destroy|import|refresh|validate) terraform $cmd -var-file=$env.tfvars $@;;
    *)                                                  terraform $cmd $@;;
esac
terraform workspace select default