From b4f64f72a3e4bf590c60b0cbd6cd365aa1a58542 Mon Sep 17 00:00:00 2001
From: Lennart Weller <lhw@ring0.de>
Date: Wed, 25 May 2016 12:36:24 +0200
Subject: Imported Upstream version 1.2.0

---
 charts.d/phpfpm.chart.sh | 175 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 175 insertions(+)
 create mode 100755 charts.d/phpfpm.chart.sh

(limited to 'charts.d/phpfpm.chart.sh')

diff --git a/charts.d/phpfpm.chart.sh b/charts.d/phpfpm.chart.sh
new file mode 100755
index 000000000..c0532fab1
--- /dev/null
+++ b/charts.d/phpfpm.chart.sh
@@ -0,0 +1,175 @@
+#!/bin/bash
+
+# if this chart is called X.chart.sh, then all functions and global variables
+# must start with X_
+
+# first, you need open php-fpm status in php-fpm.conf 
+# second, you need add status location in nginx.conf
+# you can see, https://easyengine.io/tutorials/php/fpm-status-page/
+
+declare -A phpfpm_urls=()
+
+# _update_every is a special variable - it holds the number of seconds
+# between the calls of the _update() function
+phpfpm_update_every=
+phpfpm_priority=60000
+
+declare -a phpfpm_response=()
+phpfpm_pool=""
+phpfpm_start_time=""
+phpfpm_start_since=0
+phpfpm_accepted_conn=0
+phpfpm_listen_queue=0
+phpfpm_max_listen_queue=0
+phpfpm_listen_queue_len=0
+phpfpm_idle_processes=0
+phpfpm_active_processes=0
+phpfpm_total_processes=0
+phpfpm_max_active_processes=0
+phpfpm_max_children_reached=0
+phpfpm_slow_requests=0
+phpfpm_get() {
+	url=$1
+	phpfpm_response=($(curl -Ss "${url}"))
+	[ $? -ne 0 -o "${#phpfpm_response[@]}" -eq 0 ] && return 1
+
+	if [[ "${phpfpm_response[0]}" != "pool:" \
+		|| "${phpfpm_response[2]}" != "process" \
+		|| "${phpfpm_response[5]}" != "start" \
+		|| "${phpfpm_response[12]}" != "accepted" \
+		|| "${phpfpm_response[15]}" != "listen" \
+		|| "${phpfpm_response[16]}" != "queue:" \
+		|| "${phpfpm_response[26]}" != "idle" \
+		|| "${phpfpm_response[29]}" != "active" \
+		|| "${phpfpm_response[32]}" != "total" \
+		|| "${phpfpm_response[43]}" != "slow" \
+	]]
+		then
+		echo >&2 "phpfpm: invalid response from phpfpm status server: ${phpfpm_response[*]}"
+		return 1
+	fi
+
+	phpfpm_pool="${phpfpm_response[1]}"
+	phpfpm_start_time="${phpfpm_response[7]} ${phpfpm_response[8]}"
+	phpfpm_start_since="${phpfpm_response[11]}"
+	phpfpm_accepted_conn="${phpfpm_response[14]}"
+	phpfpm_listen_queue="${phpfpm_response[17]}"
+	phpfpm_max_listen_queue="${phpfpm_response[21]}"
+	phpfpm_listen_queue_len="${phpfpm_response[25]}"
+	phpfpm_idle_processes="${phpfpm_response[28]}"
+	phpfpm_active_processes="${phpfpm_response[31]}"
+	phpfpm_total_processes="${phpfpm_response[34]}"
+	phpfpm_max_active_processes="${phpfpm_response[38]}"
+	phpfpm_max_children_reached="${phpfpm_response[42]}"
+	phpfpm_slow_requests="${phpfpm_response[45]}"
+	
+	if [[ -z "${phpfpm_pool}" \
+		|| -z "${phpfpm_start_time}" \
+		|| -z "${phpfpm_start_since}" \
+		|| -z "${phpfpm_accepted_conn}" \
+		|| -z "${phpfpm_listen_queue}" \
+		|| -z "${phpfpm_max_listen_queue}" \
+		|| -z "${phpfpm_listen_queue_len}" \
+		|| -z "${phpfpm_idle_processes}" \
+		|| -z "${phpfpm_active_processes}" \
+		|| -z "${phpfpm_total_processes}" \
+		|| -z "${phpfpm_max_active_processes}" \
+		|| -z "${phpfpm_max_children_reached}" \
+		|| -z "${phpfpm_slow_requests}" \
+	]]
+		then
+		echo >&2 "phpfpm: empty values got from phpfpm status server: ${phpfpm_response[*]}"
+		return 1
+	fi
+
+	return 0
+}
+
+# _check is called once, to find out if this chart should be enabled or not
+phpfpm_check() {
+	if [ ${#phpfpm_urls[@]} -eq 0 ]; then
+		phpfpm_urls[local]="http://localhost/status"
+	fi
+	
+	local m
+	for m in "${!phpfpm_urls[@]}"
+	do
+		phpfpm_get "${phpfpm_urls[$m]}"
+		if [ $? -ne 0 ]; then
+			echo >&2 "phpfpm: cannot find status on URL '${phpfpm_url[$m]}'. Please set phpfpm_urls[$m]='http://localhost/status' in $confd/phpfpm.conf"
+			unset phpfpm_urls[$m]
+			continue
+		fi
+	done
+	
+	if [ ${#phpfpm_urls[@]} -eq 0 ]; then
+		echo >&2 "phpfpm: no phpfpm servers found. Please set phpfpm_urls[name]='url' to whatever needed to get status to the phpfpm server, in $confd/phpfpm.conf"
+		return 1
+	fi
+	
+	# this should return:
+	#  - 0 to enable the chart
+	#  - 1 to disable the chart
+
+	return 0
+}
+
+# _create is called once, to create the charts
+phpfpm_create() {
+	local m
+	for m in "${!phpfpm_urls[@]}"
+	do
+		cat <<EOF
+CHART phpfpm_$m.connections '' "PHP-FPM Active Connections" "connections" phpfpm phpfpm.connections line $((phpfpm_priority + 1)) $phpfpm_update_every
+DIMENSION active '' absolute 1 1
+DIMENSION maxActive 'max active' absolute 1 1
+DIMENSION idle '' absolute 1 1
+
+CHART phpfpm_$m.requests '' "PHP-FPM Requests" "requests/s" phpfpm phpfpm.requests line $((phpfpm_priority + 2)) $phpfpm_update_every
+DIMENSION requests '' incremental 1 1
+
+CHART phpfpm_$m.performance '' "PHP-FPM Performance" "status" phpfpm phpfpm.performance line $((phpfpm_priority + 3)) $phpfpm_update_every
+DIMENSION reached 'max children reached' absolute 1 1
+DIMENSION slow 'slow requests' absolute 1 1
+EOF
+	done
+	
+	return 0
+}
+
+# _update is called continiously, to collect the values
+phpfpm_update() {
+	# the first argument to this function is the microseconds since last update
+	# pass this parameter to the BEGIN statement (see bellow).
+
+	# do all the work to collect / calculate the values
+	# for each dimension
+	# remember: KEEP IT SIMPLE AND SHORT
+
+	local m
+	for m in "${!phpfpm_urls[@]}"
+	do
+		phpfpm_get "${phpfpm_urls[$m]}"
+		if [ $? -ne 0 ]; then
+			continue
+		fi
+	
+		# write the result of the work.
+		cat <<EOF
+BEGIN phpfpm_$m.connections $1
+SET active = $((phpfpm_active_processes))
+SET maxActive = $((phpfpm_max_active_processes))
+SET idle = $((phpfpm_idle_processes))
+END
+BEGIN phpfpm_$m.requests $1
+SET requests = $((phpfpm_accepted_conn))
+END
+BEGIN phpfpm_$m.performance $1
+SET reached = $((phpfpm_max_children_reached))
+SET slow = $((phpfpm_slow_requests))
+END
+EOF
+	done
+	
+	return 0
+}
-- 
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