feat(about-me): Reports type of display server (if any)

Author: markuslf

CHANGELOG.md

@@ -14,6 +14,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/)
 
 Monitoring Plugins:
 
+* about-me: Reports display server (if any)
 * kubectl-get-pods: checks the health and status of kubernetes pods by running `kubectl get pods` and parsing the results
 * redfish-sel: add support for Supermicro ([#866](https://github.com/Linuxfabrik/monitoring-plugins/issues/866))
 * systemd-unit: implement support for `systemctl --machine` and `--user`

check-plugins/about-me/README.rst

@@ -74,7 +74,7 @@ Shortened output example:
 .. code-block:: text
 
     Plugin Output
-    server.example.com: Fedora Linux 39 (Workstation Edition) Kernel 6.8.4-200.fc39.x86_64 on Bare-Metal, Dell Inc. XPS 13 9310, Firmware: n/a, SerNo: 39d3e1cd, Proc: 11th Gen Intel Core i7-1185G7 @ 3.00GHz, #Cores: 4, #Threads: 8, Current Speed: 3000 MHz, 16.0GiB RAM, Disk nvme0n1 1.8T, UEFI boot, born 2024-03-20. About-me v2024041001
+    server.example.com: Fedora Linux 39 (Workstation Edition) Kernel 6.8.4-200.fc39.x86_64 on Bare-Metal, Dell Inc. XPS 13 9310, Firmware: n/a, SerNo: 39d3e1cd, Proc: 11th Gen Intel Core i7-1185G7 @ 3.00GHz, #Cores: 4, #Threads: 8, Current Speed: 3000 MHz, 16.0GiB RAM, Disk nvme0n1 1.8T, UEFI boot, Display Server wayland, tuned profile "throughput-performance", born 2024-03-20. About-me v2024041001
 
     Hardware Info:
     * BIOS: Dell Inc., Ver 3.21.0 (released 02/01/2024), ROM 32 MB

check-plugins/about-me/about-me

@@ -40,7 +40,7 @@ except ImportError:
 
 
 __author__ = 'Linuxfabrik GmbH, Zurich/Switzerland'
-__version__ = '2025050801 / v1.5.0.10'
+__version__ = '2025051501 / v1.5.0.10'
 
 DESCRIPTION = 'Provides a quick overview of host dimensions and software.'
 
@@ -840,6 +840,10 @@ def main():
     disk_msg, disk_count = get_disks()
     msg += disk_msg
     msg += get_boot_mode()
+    env = os.environ.copy()
+    display_server = env.get('XDG_SESSION_TYPE')
+    if display_server and display_server != 'unspecified':
+        msg += 'Display Server {}, '.format(display_server)
     msg += get_tuned_active_profile()
     msg += get_public_ip(args)
     msg += get_birthday()