From 9ebd19ab522d280f2717b8510d859e1dd8d7ee21 Mon Sep 17 00:00:00 2001
From: Hermes Agent service account
 <hermes@carousel-of-progress.local.mk-labs.cloud>
Date: Wed, 29 Jul 2026 22:17:29 -0500
Subject: [PATCH] =?UTF-8?q?jmri:=20remove=20udev=20symlink=20phase=20?=
 =?UTF-8?q?=E2=80=94=20JMRI=20uses=20/dev/ttyACM*=20natively?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 ansible/roles/jmri/defaults/main.yml          | 10 --------
 ansible/roles/jmri/tasks/main.yml             | 20 ---------------
 .../jmri/templates/99-jmri-devices.rules.j2   | 25 -------------------
 3 files changed, 55 deletions(-)
 delete mode 100644 ansible/roles/jmri/templates/99-jmri-devices.rules.j2

diff --git a/ansible/roles/jmri/defaults/main.yml b/ansible/roles/jmri/defaults/main.yml
index b563ddc..dd66a4f 100644
--- a/ansible/roles/jmri/defaults/main.yml
+++ b/ansible/roles/jmri/defaults/main.yml
@@ -44,15 +44,5 @@ jmri_monitor_quiet_start: 1     # hour (24h) to stop polling
 jmri_monitor_quiet_end: 10      # hour (24h) to resume polling
 jmri_monitor_stop_delay: 30     # seconds of OFF state before stopping JMRI
 
-# ---------------------------------------------------------------------------
-# USB device identification (ENV{ID_SERIAL} from udev — the segment of the
-# by-id symlink name before the -ifNN suffix)
-# ---------------------------------------------------------------------------
-# LocoBuffer-NG (LocoNet bridge) → /dev/jmri/loconet
-jmri_dev_loconet_serial: "RR-CirKits_LocoBuffer-NG_CDC_ACM_SERIAL_DEVICE_AA5700218A"
 
-# NCE command station → /dev/jmri/nce  ← triggers service start/stop
-jmri_dev_nce_serial: "Microchip_Technology_Inc._Simple_CDC_Device_Demo"
 
-# FTDI LCC interface → /dev/jmri/lcc
-jmri_dev_lcc_serial: "ftdi_usb_serial_converter_ftDYQHZX"
diff --git a/ansible/roles/jmri/tasks/main.yml b/ansible/roles/jmri/tasks/main.yml
index 611f225..75c882f 100644
--- a/ansible/roles/jmri/tasks/main.yml
+++ b/ansible/roles/jmri/tasks/main.yml
@@ -36,26 +36,6 @@
     groups: dialout
     append: true
 
-# ---------------------------------------------------------------------------
-# Phase 1 — Stable udev device symlinks
-# Creates /dev/jmri/nce, /dev/jmri/loconet, /dev/jmri/lcc
-# ---------------------------------------------------------------------------
-- name: Create /dev/jmri symlink directory (static — survives reboots)
-  ansible.builtin.file:
-    path: /etc/jmri
-    state: directory
-    owner: root
-    group: root
-    mode: '0755'
-
-- name: Deploy udev rules for stable JMRI device symlinks
-  ansible.builtin.template:
-    src: 99-jmri-devices.rules.j2
-    dest: /etc/udev/rules.d/99-jmri-devices.rules
-    owner: root
-    group: root
-    mode: '0644'
-  notify: Reload udev
 
 # ---------------------------------------------------------------------------
 # Phase 2 — LocoNet traffic monitor
diff --git a/ansible/roles/jmri/templates/99-jmri-devices.rules.j2 b/ansible/roles/jmri/templates/99-jmri-devices.rules.j2
deleted file mode 100644
index 4e56a68..0000000
--- a/ansible/roles/jmri/templates/99-jmri-devices.rules.j2
+++ /dev/null
@@ -1,25 +0,0 @@
-# /etc/udev/rules.d/99-jmri-devices.rules
-# Managed by Ansible — do not edit manually.
-#
-# Creates stable /dev/jmri/* symlinks for all three JMRI serial interfaces.
-# Uses ID_SERIAL (full serial string) to match by-id symlink identity,
-# so device numbering (ttyACM0, ttyACM1, etc.) doesn't matter after reboots.
-# Ownership: root:dialout mode 0660 — jmri user is a member of dialout.
-
-# NCE command station (Microchip CDC)
-# Appears when layout is powered on; disappears when layout powers off.
-SUBSYSTEM=="tty", ENV{ID_SERIAL}=="{{ jmri_dev_nce_serial }}", \
-  SYMLINK+="jmri/nce", \
-  GROUP="dialout", MODE="0660"
-
-# RR-CirKits LocoBuffer-NG (LocoNet bridge)
-# USB-powered — always present when server is running.
-SUBSYSTEM=="tty", ENV{ID_SERIAL}=="{{ jmri_dev_loconet_serial }}", \
-  SYMLINK+="jmri/loconet", \
-  GROUP="dialout", MODE="0660"
-
-# FTDI USB serial (LCC interface)
-# USB-powered — always present when server is running.
-SUBSYSTEM=="tty", ENV{ID_SERIAL}=="{{ jmri_dev_lcc_serial }}", \
-  SYMLINK+="jmri/lcc", \
-  GROUP="dialout", MODE="0660"