php fpm status commandline script with pool name as argument

fpm-status

#!/bin/bash

if [[ -z $1 ]]; then
	pool_name="www"
elif [[ "$1" == "--help" ]] || [[ "$1" == "-h" ]] || [[ "$1" == "help" ]]; then
	echo "Usage: $(basename $0) [FPM_POOL_NAME]"
	exit 1
elif [[ "$1" == "--list" ]] || [[ "$1" == "-l" ]] || [[ "$1" == "list" ]]; then
	for p in $(grep -h "^\[" /etc/php/7.1/fpm/pool.d/*.conf | tr -d '[|]'); do
		echo "  ${p}"
	done
	exit 1
else
	pool_name="$1"
fi


pool_config=$(grep -l "^\[${pool_name}" /etc/php/7.1/fpm/pool.d/*.conf)
pool_listener=$(grep -h '^listen =' ${pool_config} | awk $'{print $3}')


cat <<EOF
	pool name:       ${pool_name}
	pool config:     ${pool_config}
	pool listener:   ${pool_listener}
EOF


SCRIPT_NAME=/status SCRIPT_FILENAME=/status REQUEST_METHOD=GET QUERY_STRING="" /usr/bin/cgi-fcgi -bind -connect ${pool_listener}