deploy

#!/usr/bin/env bash

set -Eeuo pipefail

TF_IN_AUTOMATION=true
TF_PLAN=terraform.tfplan

PROGNAME=$(basename "$0")

pushd $(cd -P -- "$(dirname -- "$0")" && pwd -P)/..

function clean_before_exit {
  [ -f ${TF_PLAN} ] && rm -f $TF_PLAN

  popd
}

function error_and_exit {
	echo "${PROGNAME}: ${1:-"Unknown error"}" 1>&2

	exit 1
}

trap 'error_and_exit "${LINENO}: Unknown error"' ERR
trap clean_before_exit EXIT

[ -z "${NAME-}" ] && error_and_exit "$LINENO: environment variable NAME is not set."

TF_TARGET=${TF_TARGET:-module.$NAME}
TF_PLAN_OPTS=${TF_PLAN_OPTS:-"-target=$TF_TARGET"}

[ -f env.sh ] && { set -a; . env.sh; set +a; }

[ -z "${ANTIFRAGILE_STATE_AWS_REGION-}" ] || [ -z "${ANTIFRAGILE_STATE_AWS_S3_BUCKET-}" ] || [ -z "${ANTIFRAGILE_STATE_AWS_DYNAMODB_TABLE-}" ] || \
terraform init -upgrade \
-backend-config="region=$ANTIFRAGILE_STATE_AWS_REGION" \
-backend-config="bucket=$ANTIFRAGILE_STATE_AWS_S3_BUCKET" \
-backend-config="key=$NAME.tfstate" \
-backend-config="encrypt=true" \
-backend-config="dynamodb_table=$ANTIFRAGILE_STATE_AWS_DYNAMODB_TABLE" || error_and_exit "$LINENO: terraform initialization failed."

terraform get -update=true || error_and_exit "$LINENO: terraform get failed."

[ -f ./pre-deploy.sh ] && . ./pre-deploy.sh

terraform plan -input=false -out $TF_PLAN $TF_PLAN_OPTS || error_and_exit "$LINENO: terraform plan failed."

terraform apply -input=false -auto-approve $TF_PLAN || error_and_exit "$LINENO: terraform apply failed."

[ -f ./post-deploy.sh ] && . ./post-deploy.sh

exit 0