81 lines
2.9 KiB
Bash
Executable File
81 lines
2.9 KiB
Bash
Executable File
#!/usr/bin/env bash
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# ── Pi Multi-FX Pedal — mDNS (Avahi) setup ─────────────────────────
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# Enables pedal.local or multifx.local resolution on the LAN.
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# Run once after first install: sudo bash scripts/setup-mdns.sh
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#
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# What it does:
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# 1. Installs avahi-daemon if missing
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# 2. Sets hostname to 'pedal' in /etc/hostname
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# 3. Configures avahi-daemon to publish the hostname
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# 4. Installs the service advertisement file for the web UI
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# 5. Restarts avahi-daemon
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#
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# After this, http://pedal.local works from any machine on the LAN.
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# ───────────────────────────────────────────────────────────────────────
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set -euo pipefail
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SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
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PROJECT_DIR="$(dirname "$SCRIPT_DIR")"
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HOSTNAME="pedal"
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AVAHI_SERVICE_SRC="${PROJECT_DIR}/etc/avahi/pi-multifx-pedal.service"
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AVAHI_SERVICE_DST="/etc/avahi/services/pi-multifx-pedal.service"
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echo "═══ Pi Multi-FX Pedal — mDNS Setup ═══"
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# 1. Install avahi-daemon
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if ! command -v avahi-daemon &>/dev/null; then
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echo "Installing avahi-daemon..."
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sudo apt-get update -qq
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sudo apt-get install -y -qq avahi-daemon avahi-utils
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else
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echo "avahi-daemon already installed"
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fi
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# 2. Set hostname
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CURRENT_HOSTNAME="$(hostname)"
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if [ "$CURRENT_HOSTNAME" != "$HOSTNAME" ]; then
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echo "Setting hostname to '$HOSTNAME'..."
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echo "$HOSTNAME" | sudo tee /etc/hostname > /dev/null
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sudo hostnamectl set-hostname "$HOSTNAME"
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else
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echo "Hostname already set to '$HOSTNAME'"
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fi
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# 3. Configure avahi to publish hostname
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AVAHI_CONF="/etc/avahi/avahi-daemon.conf"
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if grep -q "^#host-name=" "$AVAHI_CONF" 2>/dev/null; then
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echo "Uncommenting host-name in avahi-daemon.conf..."
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sudo sed -i "s/^#host-name=/host-name=/g" "$AVAHI_CONF"
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fi
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# Make sure publish-workstation is on (publishes _http._tcp for pedal.local)
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if grep -q "^#publish-workstation=" "$AVAHI_CONF" 2>/dev/null; then
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sudo sed -i "s/^#publish-workstation=/publish-workstation=/g" "$AVAHI_CONF"
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fi
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# 4. Install the custom service advertisement
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if [ -f "$AVAHI_SERVICE_SRC" ]; then
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echo "Installing Avahi service advertisement..."
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sudo cp "$AVAHI_SERVICE_SRC" "$AVAHI_SERVICE_DST"
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else
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echo "WARNING: Service file not found at $AVAHI_SERVICE_SRC — skipping"
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fi
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# 5. Restart avahi-daemon
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echo "Restarting avahi-daemon..."
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sudo systemctl enable avahi-daemon
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sudo systemctl restart avahi-daemon
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echo ""
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echo "═══ mDNS setup complete ═══"
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echo "The pedal should now be reachable at:"
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echo " http://${HOSTNAME}.local"
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echo ""
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echo "From any device on the same LAN, try:"
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echo " ping ${HOSTNAME}.local"
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echo " curl http://${HOSTNAME}.local/api/state"
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echo ""
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echo "NOTE: If resolution doesn't work immediately, wait ~10 seconds"
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echo "for mDNS propagation, or check: sudo systemctl status avahi-daemon" |