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feat(appliance): show egress MAC on the console banner #532

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Merged
aaronsb merged 1 commit into from
Jun 16, 2026
Merged

feat(appliance): show egress MAC on the console banner #532

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15 changes: 15 additions & 0 deletions appliance/files/kg-console.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -20,10 +20,24 @@ primary_ip() {
| awk '{for (i=1;i<=NF;i++) if ($i=="src") {print $(i+1); exit}}'
}

# Egress interface name + its MAC. Surfaced on the banner so an operator can set a
# DHCP reservation (pin the appliance to a stable IP) straight from the console —
# without SSH or hunting through `ip link`. The reservation is also the
# prerequisite for a public DNS A-record / TLS hostname (ADR-105).
egress_iface() {
ip route get 1.1.1.1 2>/dev/null \
| awk '{for (i=1;i<=NF;i++) if ($i=="dev") {print $(i+1); exit}}'
}
egress_mac() {
local ifc; ifc="$(egress_iface)"
[ -n "${ifc}" ] && cat "/sys/class/net/${ifc}/address" 2>/dev/null
}

pause() { echo; read -rp " Press Enter to return to the menu... " _; }

banner() {
local ip; ip="$(primary_ip)"; ip="${ip:-(no network)}"
local ifc mac; ifc="$(egress_iface)"; mac="$(egress_mac)"
clear 2>/dev/null || true
cat <<EOF
════════════════════════════════════════════════════════════════
Expand All @@ -32,6 +46,7 @@ banner() {
Web UI: http://${ip}:3000/
Host mgmt: https://${ip}:9090/ (Cockpit)
Hostname: $(hostname)
MAC addr: ${mac:-(unknown)} on ${ifc:-?} — pin a DHCP reservation here
────────────────────────────────────────────────────────────────
1) Platform status
2) Recent API logs
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