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nixpkgs/nixos/tests/initrd-network-openvpn/initrd.ovpn
CRTified c684398c6a nixos/system/boot/initrd-openvpn: Add openvpn options for initrd
nixos/tests/initrd-openvpn: Add test for openvpn in the initramfs

The module in this commit adds new options that allows the
integration of an OpenVPN client into the initrd.
This can be used e.g. to remotely unlock LUKS devices.

This commit also adds two tests for `boot.initrd.network.openvpn`.
The first one is a basic test to validate that a failing connection
does not prevent the machine from booting.

The second test validates that this module actually creates a valid
openvpn connection.
For this, it spawns three nodes:

  - The client that uses boot.initrd.network.openvpn
  - An OpenVPN server that acts as gateway and forwards a port
    to the client
  - A node that is external to the OpenVPN network

The client connects to the OpenVPN server and spawns a netcat instance
that echos a value to every client.
Afterwards, the external node checks if it receives this value over the
forwarded port on the OpenVPN gateway.
2020-07-01 00:08:55 +02:00

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remote 192.168.1.3
dev tun
ifconfig 10.8.0.2 10.8.0.1
# Only force VLAN 2 through the VPN
route 192.168.2.0 255.255.255.0 10.8.0.1
secret [inline]
<secret>
#
# 2048 bit OpenVPN static key
#
-----BEGIN OpenVPN Static key V1-----
553aabe853acdfe51cd6fcfea93dcbb0
c8797deadd1187606b1ea8f2315eb5e6
67c0d7e830f50df45686063b189d6c6b
aab8bb3430cc78f7bb1f78628d5c3742
0cef4f53a5acab2894905f4499f95d8e
e69b7b6748b17016f89e19e91481a9fd
bf8c10651f41a1d4fdf5f438925a6733
13cec8f04701eb47b8f7ffc48bc3d7af
65f07bce766015b87c3db4d668c655ff
be5a69522a8e60ccb217f8521681b45d
27c0b70bdfbfbb426c7646d80adf7482
3ddac58b25cb1c1bb100de974478b4c6
8b45a94261a2405e99810cb2b3abd49f
21b3198ada87ff3c4e656a008e540a8d
e7811584363597599cce2040a68ac00e
f2125540e0f7f4adc37cb3f0d922eeb7
-----END OpenVPN Static key V1-----
</secret>