fix(banner): console banner shows the reachable LAN address, not the WG tunnel IP
The welcome banner picked its address with 'hostname -I | awk {print $1}',
so a node with WireGuard up advertised 10.44.0.1 — its own tunnel address,
present on EVERY node — as its web ui / ssh address. Off-tunnel that is
unreachable, and after a headless box moves to a new network it is exactly
the wrong thing to trust (framework-pt, 2026-08-15).
- Pick the default route's source address; fall back to the first address
that is not WireGuard 10.44/16, CGNAT 100.64/10, or loopback.
- Also print http://<hostname>.local when avahi is up — the one address
that survives any DHCP change, which is the real answer for headless
boxes that move between networks.
- scripts/welcome-banner.sh is the new canonical copy, embedded in the
binary (tor-helper pattern): bootstrap::run_welcome_banner_sync rewrites
/etc/profile.d/archipelago.sh on ISO-installed nodes at startup, so the
fix reaches the deployed fleet with the next OTA instead of only fresh
ISOs. Machines without an installer-baked banner are left untouched.
- Same fix inlined in the live ISO builder's PROFILE heredoc
(image-recipe/_archived/build-auto-installer-iso.sh).
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
This commit is contained in:
archipelago
co-authored by
Claude Fable 5
Claude Fable 5
parent
56d6396142
commit
1587853ce2
@@ -0,0 +1,79 @@
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#!/bin/bash
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# Console welcome banner (/etc/profile.d/archipelago.sh).
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#
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# CANONICAL COPY. Two consumers keep nodes in lockstep with it:
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# - bootstrap::run_welcome_banner_sync embeds it (include_str!) and
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# installs it at startup on ISO-installed nodes, so banner fixes
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# actually reach the deployed fleet via OTA;
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# - the ISO builder (image-recipe/_archived/build-auto-installer-iso.sh,
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# PROFILE heredoc) inlines the same content for fresh installs.
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#
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# Ensure /sbin and /usr/sbin are in PATH (needed for reboot, shutdown, etc.)
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case ":$PATH:" in
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*:/sbin:*) ;; *) export PATH="$PATH:/sbin:/usr/sbin" ;;
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esac
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if [ -t 0 ] && [ -z "$ARCHIPELAGO_WELCOMED" ]; then
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export ARCHIPELAGO_WELCOMED=1
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# Wait for network (DHCP may not be ready yet on first boot).
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# The address shown must be one a LAN user can actually reach: the
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# default route's source address. `hostname -I` lists addresses in
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# interface order, so a node with WireGuard up advertised 10.44.0.1 —
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# its own tunnel address, present on EVERY node — as its "web ui",
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# which is unreachable off-tunnel and actively misleading after a
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# move to a new network (framework-pt, 2026-08-15).
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IP=""
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for i in 1 2 3 4 5; do
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IP=$(ip -4 route get 1.1.1.1 2>/dev/null | sed -n 's/.*src \([0-9.]*\).*/\1/p' | head -n1)
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# Offline LAN (no default route): first address that is not a
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# tunnel (10.44/16 WireGuard), CGNAT (100.64/10 Tailscale), or
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# loopback one.
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[ -n "$IP" ] || IP=$(hostname -I 2>/dev/null | tr ' ' '\n' \
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| grep -vE '^(10\.44\.|100\.(6[4-9]|[7-9][0-9]|1[01][0-9]|12[0-7])\.|127\.)' | head -n1)
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[ -n "$IP" ] || IP=$(hostname -I 2>/dev/null | awk '{print $1}')
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[ -n "$IP" ] && break
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sleep 2
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done
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O='\033[38;5;208m'
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OD='\033[38;5;130m'
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W='\033[1;37m'
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N='\033[0m'
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# The logo uses UTF-8 block-drawing glyphs. Switching back from the kiosk
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# (Xorg on vt1) can leave the console VT out of UTF-8 mode, which renders
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# them as garbage bytes ("sometimes corrupt"). ESC % G forces the VT into
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# UTF-8 mode so the logo always draws correctly.
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printf '\033%%G' 2>/dev/null || true
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clear
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echo -e " ${O}▄▀█ █▀▄ █▀▀ █ █ █ █▀█ █▀▀ █ ▄▀█ █▀▀ █▀█${N}"
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echo -e " ${O}█▀█ █▀▄ █ █▀█ █ █▀▀ ██▀ █ █▀█ █ █ █ █${N}"
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echo -e " ${O}▀ ▀ ▀ ▀ ▀▀▀ ▀ ▀ ▀ ▀ ▀▀▀ ▀▀▀ ▀ ▀ ▀▀▀ ▀▀▀${N}"
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echo -e " ${OD}bitcoin node os${N}"
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if [ -n "$IP" ]; then
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echo -e " ${W}web ui http://$IP${N}"
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# The mDNS name survives any DHCP change — it is the address to
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# give people for a headless box that moves between networks.
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if systemctl is-active avahi-daemon >/dev/null 2>&1; then
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echo -e " ${W} http://$(hostname).local${N}"
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fi
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echo -e " ${W}ssh archipelago@$IP${N}"
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echo -e " ${W}password archipelago (SSH)${N}"
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echo -e " ${OD}web ui asks you to create a password on first visit${N}"
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else
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echo -e " ${OD}Waiting for network...${N}"
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fi
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if [ -b /dev/mapper/archipelago-data ] || [ -b /dev/mapper/archipelago_crypt ]; then
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echo -e " ${OD}storage LUKS2 encrypted${N}"
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fi
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# The kiosk's Xorg runs on vt1 (see archipelago-kiosk-launcher: "Xorg :0
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# vt1"), so Ctrl+Alt+F1 IS the kiosk and a terminal is on another VT (F2,
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# where systemd auto-spawns a getty). The old hints had these backwards —
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# they sent you to an empty black VT7 and there was no way back to the kiosk.
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if systemctl is-active archipelago-kiosk.service >/dev/null 2>&1; then
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echo -e " ${OD}display Kiosk active (Ctrl+Alt+F2 for terminal)${N}"
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else
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echo -e " ${OD}display Console (Ctrl+Alt+F1 for kiosk)${N}"
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fi
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echo ""
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fi
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