Munin contributed plugins

#!/bin/sh

: <<=cut

=head CONFIGURATION

    Plugin to monitor php-fpm process manager, php-fpm >=5.3.3 is required

    INSTALLATION

    1. Install curl or wget

    2. Configure PHP to respond to status request by setting pm.status_path in your php fpm config file. 

    3. Configure your websever to respond to this path, it's advisable to restrict

    this to localhost

    4. Configure munin-node with a url environment variable for the url you wish to test

    You can use symlinks and config files to monitor multiple pools

    ln -s /usr/share/munin/php_fpm_status /usr/share/munin/php_fpm_status_www

    ln -s /usr/share/munin/php_fpm_status /usr/share/munin/php_fpm_status_www2

    [php_fpm_status_www]

    env.url http://127.0.0.1/fpm-status-www

    [php_fpm_status_www2]

    env.url http://127.0.0.1/fpm-status-www2

=head COPYRIGHT

    Copyright (C) 2020 Rowan Wookey <https://www.rwky.net>

    Copyright (C) 2011 Daniel Caillibaud

    Copyright (C) 2010 radar AT aol DOT pl

=head LICENSE

   This program is free software: you can redistribute it and/or modify

   it under the terms of the GNU General Public License as published by

   the Free Software Foundation, either version 3 of the License, or

   (at your option) any later version.

   This program is distributed in the hope that it will be useful,

   but WITHOUT ANY WARRANTY; without even the implied warranty of

   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License

   along with this program.  If not, see <https://www.gnu.org/licenses/>.

=head MAGIC MARKERS

    #%# family=auto

    #%# capabilities=autoconf

=cut

url=${url:-'http://127.0.0.1/fpm-status'}

if command -v wget > /dev/null 2>&1

then

    data=$(wget -O - -q "$url")

elif command -v curl > /dev/null 2>&1

then

    data=$(curl -s "$url")

else

    echo "wget or curl must be installed" >&2

    exit 1

fi

pool=$(echo "$data" | awk '/pool/{print $2}')

if [ "$1" = "autoconf" ]

then

    if [ -n "$pool" ]

    then

        echo 'yes'

    fi

    exit 0

fi

if [ "$1" = "config" ]; then

    echo "graph_title php-fpm status $pool"

    echo "graph_args --base 1000 -l 0"

    echo "graph_vlabel Processes"

    echo "graph_scale yes"

    echo "graph_category webserver"

    echo "graph_info This graph shows the php-fpm process manager status from pool: $pool"

    echo "active.label Active processes"

    echo "active.type GAUGE"

    echo "active.draw AREA"

    echo "active.info The number of active processes"

    echo "idle.label Idle processes"

    echo "idle.type GAUGE"

    echo "idle.draw STACK"

    echo "idle.info The number of idle processes"

    echo "total.label Total processes"

    echo "total.type GAUGE"

    echo "total.draw LINE2"

    echo "total.info The number of idle + active processes"

    exit 0

else

    echo "$data" | awk '

    /^idle/	{print "idle.value " $3}

    /^active/{print "active.value "   $3}

    /^total/ {print "total.value "  $3}

    '

fi