From 5c3ac4c9c100fe381591f8756fca3bd56b9ca9f7 Mon Sep 17 00:00:00 2001
From: Maxim Devaev <mdevaev@gmail.com>
Date: Wed, 4 Sep 2024 03:03:48 +0300
Subject: [PATCH] pikvm/kvmd#170: alternative implementation

---
 scripts/kvmd-bootconfig | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)

diff --git a/scripts/kvmd-bootconfig b/scripts/kvmd-bootconfig
index b4dc2280..09e95fc0 100755
--- a/scripts/kvmd-bootconfig
+++ b/scripts/kvmd-bootconfig
@@ -55,6 +55,39 @@ rw
 
 # ========== First boot configuration ==========
 
+make_avahi_service() {
+	local _serial
+	_serial=$(tr -d '\0' < /proc/device-tree/serial-number || echo "0000000000000000")
+	local _model
+	_model=$(tr -d '\0' < /proc/device-tree/model || echo "Unknown model")
+	mkdir -p /etc/avahi/services
+	cat <<end_of_file > /etc/avahi/services/pikvm.service
+<?xml version="1.0" standalone='no'?>
+<!DOCTYPE service-group SYSTEM "avahi-service.dtd">
+<service-group>
+  <name replace-wildcards="yes">pikvm-$_serial.local</name>
+  <service>
+    <type>_pikvm._tcp</type>
+    <port>443</port>
+    <txt-record>path=/</txt-record>
+    <txt-record>protocol=https</txt-record>
+    <txt-record>description=PiKVM Web Server</txt-record>
+    <txt-record>serial=$_serial</txt-record>
+    <txt-record>model=$_model</txt-record>
+  </service>
+  <service>
+    <type>_https._tcp</type>
+    <port>443</port>
+    <txt-record>path=/</txt-record>
+    <txt-record>protocol=https</txt-record>
+    <txt-record>description=PiKVM Web Server</txt-record>
+    <txt-record>serial=$_serial</txt-record>
+    <txt-record>model=$_model</txt-record>
+  </service>
+</service-group>
+end_of_file
+}
+
 if [ -n "$FIRSTBOOT$FIRST_BOOT" ]; then
 	( \
 		(umount /etc/machine-id || true) \
@@ -90,6 +123,8 @@ if [ -n "$FIRSTBOOT$FIRST_BOOT" ]; then
 		unset disk part npart label
 	fi
 
+	make_avahi_service
+
 	# fc-cache is required for installed X server
 	# shellcheck disable=SC2015
 	which fc-cache && fc-cache || true