Ben Duncan 1ee7012ba9 feat: Phase 7 — single-NIC macvlan bridge strategy ...

Add --single-nic flag to setup-ovn.sh. When used with --external-bridge,
creates a macvlan sub-interface (spx-ext-{iface}) in bridge mode off the
host's NIC instead of adding the NIC directly to br-external. The host
keeps its IP — no migration, SSH-safe.

Strategy selection:
- Dedicated NIC: --external-iface=eth1 (add directly)
- Single NIC:    --external-iface=eth0 --single-nic (macvlan)
- IP migration:  --external-iface=eth0 (legacy, no --single-nic)

Add single_nic bool field to VPCDConfig for per-node config. Different
nodes in a cluster can use different strategies. Unit test verifies
single_nic parsing alongside external_interface.

2026-03-20 05:15:35 +00:00

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spinifex

feat: Phase 7 — single-NIC macvlan bridge strategy

2026-03-20 05:15:35 +00:00