getParamStore.sh

#!/bin/bash

#This script will generate a file env.sh
#To use: bash getEnv.sh [path...]
#Please execute
# $ source env.sh
#to apply environment variables

if [ $# -eq 0 ]; then
	echo "No arguments provided"
	exit 1
fi
ARGUMENTS="$@"
OUT_FILE="/var/env.sh"
echo '#!/bin/sh' > $OUT_FILE
echo "echo 'Available Variables:'" >> $OUT_FILE

# non greedy capture group 1, | greedy capture till end of string

# use for mac os
# SED_COMMAND="sed \"s^\([^\|]*\)\|\(.*\)^export \\1='\\2'^\""

# use for aws linux
SED_COMMAND="sed \"s^\([^|]*\)|\(.*\)^export \\1='\\2'^\""

function exportToFile() {
	old_IFS=$IFS
	#set delimiter to only newline
	IFS=$'\n'
	for param in `jq -n "$1" | jq -r '.[].Value'`
	do
		#escape all single quotes
		param=$(sed "s^'^'\\\''^g" <<< $param) 
		#convert to export key='value'
		param=`eval $SED_COMMAND <<< $param`
		echo $param >> $OUT_FILE
		#echo available keys
		key=$(sed "s^=.*^^" <<< $param)
                key=$(sed "s^export ^$^" <<< $key)
                echo "echo '$key'" >> $OUT_FILE
	done
	#restore delimiter
	IFS=$old_IFS
}
for var in $ARGUMENTS
do
	PARAMSTORE=`aws ssm get-parameters-by-path --path "$var" --no-paginate --recursive | jq -r '.Parameters'`
	exportToFile "$PARAMSTORE"
done