Files
homelab/ansible/roles/jmri/templates/jmri.service.j2
Hermes Agent service account d974c75d7c feat(jmri): headless JMRI server with Leviton layout power monitor and X11 GUI mode
- Stable udev device symlinks (/dev/jmri/nce, /dev/jmri/loconet, /dev/jmri/lcc)
- jmri-monitor: polls Leviton Decora Smart switch to start/stop JMRI automatically
  - Quiet hours 1-10 AM (no polling)
  - 30s off-delay before shutdown
- LCRR config cloned from Gitea (ssh://gitea.mk-labs.cloud:2221/rblundon/LCRR.git)
- ~/.jmri symlinked to LCRR repo for GitOps config management
- jmri-gui: X11 remote GUI access (PanelPro/DecoderPro) via ssh -X as jmri user
  - Stops daemon, launches GUI, restarts daemon on exit if layout still on
- jmri user gets login shell + SSH key for GUI sessions
- Full JRE installed (openjdk-21-jre) for AWT/X11 support
2026-07-29 00:43:23 -05:00

32 lines
835 B
Django/Jinja

[Unit]
Description=JMRI Server (JmriFaceless)
Documentation=https://www.jmri.org/
# jmri-monitor starts and stops this service based on LocoNet traffic.
# Do NOT enable this unit directly — it is managed by jmri-monitor.service.
After=network.target systemd-udev-settle.service
[Service]
Type=simple
User={{ jmri_user }}
Group={{ jmri_group }}
WorkingDirectory={{ jmri_install_dir }}
ExecStart={{ jmri_install_dir }}/JmriFaceless --profile={{ jmri_profile_id }}
# Monitor owns lifecycle — do not auto-restart
Restart=no
# Give hardware time to settle on start
TimeoutStartSec=30
# Logging — view with: journalctl -u jmri -f
StandardOutput=journal
StandardError=journal
SyslogIdentifier=jmri
# Serial device access
SupplementaryGroups=dialout
[Install]
# Intentionally no WantedBy — started only by jmri-monitor
WantedBy=