Export metrics for php-fpm
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Description

As part of the webserver-alkane role, we could expose Prometheus metrics.

Candidates

Prometheus exporter	Grafana dashboard	Grafana dashboard ID
https://github.com/Lusitaniae/phpfpm_exporter	https://grafana.com/grafana/dashboards/5579-php-fpm-2/	5579
https://github.com/Lusitaniae/phpfpm_exporter	https://grafana.com/grafana/dashboards/5714-php-fpm-multi-pool/	5714
https://github.com/bakins/php-fpm-exporter	https://grafana.com/grafana/dashboards/11237-php-fpm/	11237

For bakins, a port is available under net-mgmt/phpfpm_exporter.

rPORTS Nasqueron FreeBSD Ports
	D3509	rPORTS8f449f89e19e [net-mgmt/phpfpm_exporter_lusitaniae] Add rc service
	D3508	rPORTS5248e244096a Publish alkane, roll, phpfpm_exporter, medusa and salt-tower
rOPS Nasqueron Operations
	D3502	rOPS49cb34be14f6 Export metrics for php-fpm

Mentioned In: D3508: Publish alkane, roll, phpfpm_exporter, medusa and salt-tower
T1392: Evaluate Prometheus
Mentioned Here: D3509: [net-mgmt/phpfpm_exporter_lusitaniae] Add rc service
P362 /opt/phpfpm_exporter/run.sh
D3502: Export metrics for php-fpm

dereckson renamed this task from Metrics for php-fpm to Export metrics for php-fpm.Aug 4 2024, 17:05

dereckson triaged this task as High priority.Aug 4 2024, 17:31

There is already a FreeBSD port called php-fpm_exporter, it's for https://github.com/hipages/php-fpm_exporter

The one we test is nice, as it uses sockets.

dereckson updated the task description. (Show Details)

Available in our FreeBSD repo for 14 amd64.

D3502 operations configuration is ready.

A service with this logic would be useful to add in port:

1	#!/bin/sh
2
3	# -------------------------------------------------------------
4	# Run php-fpm metrics exporter
5	# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
6	# Project: Nasqueron
7	# License: BSD-2-Clause
8	# -------------------------------------------------------------
9
10	set -e
11
12	# -------------------------------------------------------------
13	# Ensure user is root
14	#
15	# Note: POSIX shells don't always define $UID or $EUID.
16	# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
17
18	# shellcheck disable=SC3028
19	if [ "${EUID:-$(id -u)}" -ne 0 ]; then
20	echo "This command must be run as root." >&2
21	exit 1
22	fi
23
24	# -------------------------------------------------------------
25	# Service configuration
26	# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
27
28	PHP_FPM_SOCKETS_ROOT=/var/run/web
29	PHP_FPM_SOCKETS_PATTERN="php-fpm.sock"
30	BIND_ADDRESS="127.0.0.1:9253"
31	BIND_ADDRESS="172.27.27.35:9253"
32
33	# -------------------------------------------------------------
34	# Run service
35	# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
36
37	SOCKET_PATHS=$(find "$PHP_FPM_SOCKETS_ROOT" -type s -name "$PHP_FPM_SOCKETS_PATTERN" -print0 \| xargs -0 -n1 echo --phpfpm.socket-paths \| paste -sd " " -)
38
39	# shellcheck disable=SC2086
40	echo sudo -u web-admin phpfpm_exporter --web.listen-address="$BIND_ADDRESS" --phpfpm.status-path="/php-fpm-status" $SOCKET_PATHS