check_fpm

#!/bin/bash

. $(dirname $0)/lib.sh

HOST="localhost:9000"
URL="/status"

while getopts "h:u:" OPT; do
	case $OPT in
		h) HOST=$OPTARG ;;
		u) URL=$OPTARG ;;
	esac
done

RS=$(REQUEST_METHOD=GET SCRIPT_NAME=$URL SCRIPT_FILENAME=$URL QUERY_STRING=xml \
		cgi-fcgi -bind -connect $HOST 2>/dev/null)

if [[ $? != 0 ]]; then
	echo "CRITICAL - Failed to connect to PHP-FPM"
	exit $STATE_CRITICAL
fi

STATUS=$(sed -n '1,/^\r$/{/^Status: /{s///;s/^\([0-9]*\).*/\1/p}}' <<< "$RS")

if [[ $STATUS && $STATUS != 200 ]]; then
	echo "CRITICAL - Status code of PHP-FPM response is $STATUS"
	exit $STATE_CRITICAL
fi

VARS=$(sed '1,/^\r$/d' <<< "$RS" | xmlstarlet sel -t -m '/status/*' \
		-v 'name()' -o = -v . -n 2>/dev/null)

if [[ $? != 0 ]]; then
	echo "CRITICAL - Could not parse PHP-FPM response"
	exit $STATE_CRITICAL
fi

eval $(sed 'y/-/_/;s/[^=]*/\U\0/' <<< "$VARS")

echo "OK - up $((START_SINCE / 86400)) days - \
accepted $ACCEPTED_CONN connections - \
max. $MAX_LISTEN_QUEUE connections queued of $LISTEN_QUEUE_LEN queue length|\
queue=$LISTEN_QUEUE idle=$IDLE_PROCESSES active=$ACTIVE_PROCESSES"

exit $STATE_OK