verify-application-and-ssm-properties.sh

#!/bin/sh

TERRAFORM_DIR=./terraform
APP_PROPERTIES_DIR=./src/main/resources

TERRAFORM_SSM_FILE="${TERRAFORM_DIR}/ssm.tf"
APP_PROPERTIES_FILE="${APP_PROPERTIES_DIR}/application.properties"

TERRAFORM_SSM_PROPERTY_PREFIX=""

# ssm variables
ssm_variables_regex="ssm_parameter_name *= *\"(\/config.*\/.*\/)?(.*)\""
ssm_properties=()

while read line; do
	if [[ $line =~ $ssm_variables_regex ]]; then
		ssm_properties+=(${BASH_REMATCH[2]})
		TERRAFORM_SSM_PROPERTY_PREFIX=${BASH_REMATCH[1]}
	fi
done < $TERRAFORM_SSM_FILE


# Application
application_properties_regex="(.*)="
application_properties=()

while read line; do
	if [[ $line =~ $application_properties_regex ]]; then
		application_properties+=(${BASH_REMATCH[1]})
	fi
done < $APP_PROPERTIES_FILE

# Verification
in_ssm_only=()

for ssm_property in ${ssm_properties[@]}; do
	missing_property=""
	is_property_found=false

	for i in "${!application_properties[@]}"; do
		if [ $is_property_found == false ]; then
			if [ ${application_properties[i]} == ${ssm_property} ]; then
				is_property_found=true
			else
				missing_property=${ssm_property}
			fi
		fi
	done
	
	if [ $is_property_found == false ]; then
		in_ssm_only+=($missing_property)
	fi
done

in_application_properties_only=()

for application_property in ${application_properties[@]}; do
	missing_property=""
	is_property_found=false

	for i in "${!ssm_properties[@]}"; do
		if [ $is_property_found == false ]; then
			if [ ${ssm_properties[i]} == ${application_property} ]; then
				is_property_found=true
			else
				missing_property=${application_property}
			fi
		fi
	done

	if [ $is_property_found == false ]; then
		in_application_properties_only+=($missing_property)
	fi
done

# Result

ui_divider="============================================================================================"

if ((${#in_ssm_only[@]})); then
	printf "\n\e[31m$ui_divider"
	printf "\n application.properties IS MISSING PROPERTIES"
	printf "\n$ui_divider\e[0m"
	printf "\nAdd the following properties to \e[1;31m$APP_PROPERTIES_FILE\e[0m:"
	printf "\n%s=" "${in_ssm_only[@]}"
else
	printf "\n\e[32m$ui_divider"
	printf "\n$APP_PROPERTIES_FILE has all properties defined in $TERRAFORM_SSM_FILE"
	printf "\n\e[32m$ui_divider\e[0m\n"
fi

if ((${#in_application_properties_only[@]})); then
	printf "\n\e[31m$ui_divider"
	printf "\n terraform IS MISSING PARAMETERS"
	printf "\n$ui_divider\e[0m"
	printf "\nAdd the following parameters to \e[1;31m$TERRAFORM_SSM_FILE\e[0m:\n"
	printf "$TERRAFORM_SSM_PROPERTY_PREFIX%s\n" "${in_application_properties_only[@]}"
else
	printf "\n\e[32m$ui_divider"
	printf "\n$TERRAFORM_SSM_FILE has all parameters defined in $APP_PROPERTIES_FILE"
	printf "\n\e[32m$ui_divider\e[0m\n"
fi