box/bin/netvm-names.sh

# netvm-names.sh — source this. Sets NETNS WG VETH VPEER SUB GW PEER_IP from NODE.
# 1:1 mapping: profile name = node name. Interface names must fit 15 chars,
# so wg/veth use a deterministic hash tag; the netns keeps the full name.
netvm_names() {
  NODE="$1"
  NETNS="warp-${NODE}"
  _tag=$(echo -n "$NODE" | sha256sum | cut -c1-8)
  WG="wb-${_tag}"
  VETH="ve-${_tag}"
  VPEER="vp-${_tag}"
  _idx=$(( 0x${_tag:0:3} % 200 + 10 ))
  # CDP_PORT_OVERRIDE lets provisioners assign clean sequential ports
  # (9410, 9420, ...) instead of the hash-derived default.
  # Unset = previous behavior.
  CDP_PORT=${CDP_PORT_OVERRIDE:-$(( 9222 + 0x${_tag:4:3} % 2000 ))}
  # Pinned registry ports: single source of truth for the fleet.
  # (Was previously duplicated in cdp-relay-watchdog.sh relay_target();
  # moved here 2026-10-04 so netvm-node-up.sh stops spawning wrong-port
  # zombie relays on every browser relaunch.)
  case "$NODE" in
    muse) CDP_PORT=9410 ;;
    pip)  CDP_PORT=9420 ;;
    646)  CDP_PORT=9430 ;;
    opm)  CDP_PORT=9440 ;;
    def)  CDP_PORT=9450 ;;
    dev)  CDP_PORT=9455 ;;
  esac
  GW="10.201.${_idx}.1"; PEER_IP="10.201.${_idx}.2"; SUB="10.201.${_idx}.0/30"
}