PHP-FPM FastCGI Health Check

fcgi.sh

#!/bin/sh
#
# Health Check - php-fpm
#
# Usage:
#   ./fcgi.sh host:port|path/to/socket /path/to/file
#
# Examples:
#   ./fcgi.sh ip:port /status?json
#

if [ "$#" -ne 2 ]; then
    echo "Usage: $0 host:port|path/to/socket /path/to/file"
    exit 1
fi

# Extremely naive url and query string separation
URI="`echo $2 | grep / | cut -d '?' -f 1`"
QUERY="`echo $2 | grep / | cut -d '?' -f 2`"

# @TODO capture the response, split at the blank, return the payload
SCRIPT_NAME=$URI \
SCRIPT_FILENAME=$URI \
QUERY_STRING=$QUERY \
REQUEST_METHOD=GET \
cgi-fcgi -bind -connect $1 || exit 1

nomad.hcl

# the check stanza for this check script

check {
    name     = "php-fpm-fcgi"
    type     = "script"
    interval = "30s"
    timeout  = "5s"
    command  = "/health/fcgi.sh"
    args = [
        "${NOMAD_ADDR_fpm}", "/health"
    ]
}

output.txt

/var/www/html # /bin/sh /health/fcgi.sh <IP>:<PORT> /health
X-Powered-By: PHP/7.0.21
Content-type: text/plain;charset=UTF-8
Expires: Thu, 01 Jan 1970 00:00:00 GMT
Cache-Control: no-cache, no-store, must-revalidate, max-age=0

OK