bn8/check_syncthing
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Monitoring plugin to check Syncthing status

This Icinga/Nagios check plugin permit to check Syncthing status :

  • verify Syncthing REST API is responding
  • check remote devices last seen datetime
  • check system and shared folders errors

Installation

First, generate and retrieve the REST API key from Syncthing web interface:

  • in Actions menu, click on Configuration
  • in General tab, under API key, click on Generate button and copy the key
API_KEY=n6RseK3HWY5LJ29PzNSUJbmK4XKHa5uV
apt install git python3-requests python3-dateutil
git clone https://gitea.zionetrix.net/bn8/check_syncthing.git /usr/local/src/check_syncthing
mkdir -p /usr/local/lib/nagios/plugins
ln -s /usr/local/src/check_syncthing/check_syncthing /usr/local/lib/nagios/plugins/
echo "command[check_syncthing]=/usr/local/lib/nagios/plugins/check_syncthing -k $API_KEY" > /etc/nagios/nrpe.d/syncthing.cfg
service nagios-nrpe-server reload

Usage

usage: check_syncthing [-h] [-d] [-v] [-H HOST] [-p PORT] -k API_KEY [-S]
                       [-t TIMEOUT] [-D DEVICES] [-x EXCLUDED_DEVICES] [-F FOLDERS]
                       [-X EXCLUDED_FOLDERS] [-w WARNING_DEVICE_LAST_SEEN]
                       [-c CRITICAL_DEVICE_LAST_SEEN]

Monitoring plugin to check Syncthing status

options:
  -h, --help            show this help message and exit
  -d, --debug           Enable debug mode (default: False)
  -v, --verbose         Enable verbose mode (default: False)
  -H HOST, --host HOST  Syncthing host (default: 127.0.0.1)
  -p PORT, --port PORT  Syncthing port (default: 8384)
  -k API_KEY, --api-key API_KEY
                        Syncthing REST API key (default: None)
  -S, --ssl             Enable SSL (default: False)
  -t TIMEOUT, --timeout TIMEOUT
                        Requests timeout (in seconds) (default: 5)
  -D DEVICES, --devices DEVICES
                        Monitor only specified devices (default: [])
  -x EXCLUDED_DEVICES, --excluded-devices EXCLUDED_DEVICES
                        Do not monitor specified devices (default: [])
  -F FOLDERS, --folders FOLDERS
                        Monitor only specified folders (default: [])
  -X EXCLUDED_FOLDERS, --excluded-folders EXCLUDED_FOLDERS
                        Do not monitor specified folders (default: [])
  -w WARNING_DEVICE_LAST_SEEN, --warning-device-last-seen WARNING_DEVICE_LAST_SEEN
                        Warning threshold for device last seen time in hours
                        (default: 12)
  -c CRITICAL_DEVICE_LAST_SEEN, --critical-device-last-seen CRITICAL_DEVICE_LAST_SEEN
                        Critical threshold for device last seen time in hours
                        (default: 24)

Copyright

Copyright (c) 2023 Benjamin Renard brenard@zionetrix.net

License

This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License version 3 as published by the Free Software Foundation.

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, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.