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nixos/tests/networking.nix: test the services.dhcpd4.machines option

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This modifies the `router` to not give out a range of IP addresses but
only give out a fixed address based on the MAC address using the
`services.dhcpd4.machines` option.

To get access to the MAC address the `qemuNicMac` function is defined
and exported from `qemu-flags.nix`.
This commit is contained in:
Bas van Dijk 2020-04-20 22:06:02 +02:00
parent 0410f5dff9
commit e15815e885
2 changed files with 15 additions and 9 deletions
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5
nixos/lib/qemu-flags.nix
View file

@ -9,10 +9,11 @@ let
else pkgs.lib.toHex n);
in
{
rec {
qemuNicMac = net: machine: "52:54:00:12:${zeroPad net}:${zeroPad machine}";
qemuNICFlags = nic: net: machine:
[ "-device virtio-net-pci,netdev=vlan${toString nic},mac=52:54:00:12:${zeroPad net}:${zeroPad machine}"
[ "-device virtio-net-pci,netdev=vlan${toString nic},mac=${qemuNicMac net machine}"
"-netdev vde,id=vlan${toString nic},sock=$QEMU_VDE_SOCKET_${toString net}"
];