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Commit d16133c

Browse files
mirkoCrobudido18
authored andcommitted
Add Serial Number to Avahi Service for Board Deduplication (#48)
* set serial number for network discovery at post install time * adds space in a comment * set script running before Avahi service * code review fix * code review fix * code review fix
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‎debian/arduino-app-cli/DEBIAN/postinst‎

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@@ -4,3 +4,4 @@ chown -R arduino:arduino /home/arduino/.local/share/arduino-app-cli
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systemctl enable arduino-app-cli
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systemctl enable arduino-burn-bootloader
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systemctl enable arduino-avahi-serial.service

‎debian/arduino-app-cli/DEBIAN/prerm‎

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@@ -2,3 +2,4 @@
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systemctl disable arduino-app-cli
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systemctl disable arduino-burn-bootloader
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systemctl disable arduino-avahi-serial.service
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[Unit]
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Description=Configure Avahi with board serial number
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Before=avahi-daemon.service
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ConditionPathExists=!/var/lib/arduino-app-cli/avahi_serial_configured.flag
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[Service]
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Type=oneshot
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RemainAfterExit=true
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ExecStart=/var/lib/arduino-app-cli/arduino-avahi-serial.sh
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ExecStartPost=/bin/mkdir -p /var/lib/arduino-app-cli
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ExecStartPost=/bin/touch /var/lib/arduino-app-cli/avahi_serial_configured.flag
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StandardOutput=journal
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StandardError=journal
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[Install]
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WantedBy=multi-user.target
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#!/bin/sh
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# Configure Avahi with the serial number.
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TARGET_FILE="/etc/avahi/services/arduino.service"
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SERIAL_NUMBER_PATH="/sys/devices/soc0/serial_number"
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echo "Configuring Avahi with serial number for network discovery..."
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if [ ! -f "$SERIAL_NUMBER_PATH" ]; then
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echo "Error: Serial number path not found at $SERIAL_NUMBER_PATH." >&2
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exit 1
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fi
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if [ ! -w "$TARGET_FILE" ]; then
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echo "Error: Target file $TARGET_FILE not found or not writable." >&2
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exit 1
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fi
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SERIAL_NUMBER=$(cat "$SERIAL_NUMBER_PATH")
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if [ -z "$SERIAL_NUMBER" ]; then
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echo "Error: Serial number file is empty." >&2
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exit 1
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fi
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if grep -q "serial_number=" "$TARGET_FILE"; then
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echo "Serial number ($SERIAL_NUMBER) already configured."
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exit 0
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fi
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echo "Adding serial number to $TARGET_FILE..."
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sed -i "/<\/service>/i <txt-record>serial_number=${SERIAL_NUMBER}<\/txt-record>" "$TARGET_FILE"
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echo "Avahi configuration attempt finished."
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exit 0

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