createImages.sh

#!/bin/bash
# Creates images for the further usage with no necessity to install packages
# and docker again.

# Load values of
# STOCKHOLM_VANILLA_INSTANCE_ID & FRANKFURT_VANILLA_INSTANCE_ID
[[ -f "VANILLA_IDS.txt" ]] &&
source "VANILLA_IDS.txt" ||
exit 1

main(){
	STOCKHOLM_TEMPLATE_IMAGE=`createImage "eu-north-1" ${STOCKHOLM_VANILLA_INSTANCE_ID} "template.t3.micro-0"`
	echo "Stockholm template image ID:" ${STOCKHOLM_TEMPLATE_IMAGE}
	echo "STOCKHOLM_TEMPLATE_IMAGE="""${STOCKHOLM_TEMPLATE_IMAGE}"" > IMAGE_IDS.txt

	FRANKFURT_TEMPLATE_IMAGE=`createImage "eu-central-1" ${FRANKFURT_VANILLA_INSTANCE_ID} "template.t2.micro-0"`
	echo "Frankfurt template image ID:" ${FRANKFURT_TEMPLATE_IMAGE}
	echo "FRANKFURT_TEMPLATE_IMAGE="""${FRANKFURT_TEMPLATE_IMAGE}"" >> IMAGE_IDS.txt
}

createImage(){
	aws ec2 create-image \
		--region ${1} \
		--instance-id ${2} \
		--name ${3} \
		| grep "ImageId" | sed -E -e 's/\ |.*:|\,//g'
}

./checkAWS.sh && main || ./awsCliNa.sh