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NetVM: CDP bridge — REDIRECT veth IP:CDP_PORT to loopback in netns

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Antigravity Agent
2026-10-03 00:55:39 -04:00
parent fa48228ef4
commit 6984ec4df0
1 changed files with 8 additions and 0 deletions
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bin/netvm-node-up.sh
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@@ -55,6 +55,14 @@ nsexec ip link set "$WG" up
nsexec ip route replace default dev "$WG" nsexec ip route replace default dev "$WG"
nsexec ip -6 route replace default dev "$WG" 2>/dev/null || true nsexec ip -6 route replace default dev "$WG" 2>/dev/null || true
# CDP bridge: chromium binds DevTools to loopback only; redirect the veth
# IP:CDP_PORT there so the host (and SSH-forwarded operators) can reach it.
# (netns iptables is namespaced; rules vanish with the netns on down.)
nsexec sysctl -qw net.ipv4.conf.all.route_localnet=1
nsexec sysctl -qw "net.ipv4.conf.${VPEER}.route_localnet=1"
nsexec iptables -t nat -C PREROUTING -d "$PEER_IP" -p tcp --dport "$CDP_PORT" -j REDIRECT --to-port "$CDP_PORT" 2>/dev/null || \
nsexec iptables -t nat -A PREROUTING -d "$PEER_IP" -p tcp --dport "$CDP_PORT" -j REDIRECT --to-port "$CDP_PORT"
# wait for handshake (first one can take ~10s) # wait for handshake (first one can take ~10s)
HS="" HS=""
for i in $(seq 1 10); do for i in $(seq 1 10); do