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remove redundant detect interface

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Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
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import this
2025-11-14 10:31:26 +00:00
committed by GitHub
parent 58c0e289c2
commit edecc4ba01
1 changed files with 14 additions and 10 deletions
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scripts/nym-node-setup/network-tunnel-manager.sh
+14 -10
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@@ -37,21 +37,25 @@ fi
TUNNEL_INTERFACE="${TUNNEL_INTERFACE:-nymtun0}"
WG_INTERFACE="${WG_INTERFACE:-nymwg}"
# Function to detect and validate uplink interface
detect_uplink_interface() {
local cmd="$1"
local dev
dev="$(eval "$cmd" 2>/dev/null | awk '{print \$5}' | head -n1 || true)"
if [[ -n "$dev" && "$dev" =~ ^[a-zA-Z0-9._-]+$ ]]; then
echo "$dev"
else
echo ""
fi
}
# uplink device detection, can be overridden
NETWORK_DEVICE="${NETWORK_DEVICE:-}"
if [[ -z "$NETWORK_DEVICE" ]]; then
NETWORK_DEVICE="$(ip -o route show default 2>/dev/null | awk '{print $5}' | head -n1 || true)"
# Validate that NETWORK_DEVICE is non-empty and looks like a network interface
if [[ -z "$NETWORK_DEVICE" || ! "$NETWORK_DEVICE" =~ ^[a-zA-Z0-9._-]+$ ]]; then
NETWORK_DEVICE=""
fi
NETWORK_DEVICE="$(detect_uplink_interface "ip -o route show default")"
fi
if [[ -z "$NETWORK_DEVICE" ]]; then
NETWORK_DEVICE="$(ip -o route show default table all 2>/dev/null | awk '{print $5}' | head -n1 || true)"
# Validate that NETWORK_DEVICE is non-empty and looks like a network interface
if [[ -z "$NETWORK_DEVICE" || ! "$NETWORK_DEVICE" =~ ^[a-zA-Z0-9._-]+$ ]]; then
NETWORK_DEVICE=""
fi
NETWORK_DEVICE="$(detect_uplink_interface "ip -o route show default table all")"
fi
if [[ -z "$NETWORK_DEVICE" ]]; then
echo "cannot determine uplink interface. set NETWORK_DEVICE or UPLINK_DEV"