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starts two VMs: - one with dropbear listening from initrd, waiting for a file - another connecting via ssh, creating the file
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,74 @@ | ||
| import ./make-test.nix ({ pkgs, lib, ... }: | ||
|
|
||
| let | ||
| keys = pkgs.runCommand "gen-keys" { | ||
| outputs = [ "out" "dbPub" "dbPriv" "sshPub" "sshPriv" ]; | ||
| buildInputs = with pkgs; [ dropbear openssh ]; | ||
| } | ||
| '' | ||
| touch $out | ||
| dropbearkey -t rsa -f $dbPriv -s 4096 | sed -n 2p > $dbPub | ||
| ssh-keygen -q -t rsa -b 4096 -N "" -f client | ||
| mv client $sshPriv | ||
| mv client.pub $sshPub | ||
| ''; | ||
|
|
||
| in { | ||
| name = "initrd-network-ssh"; | ||
| meta = with lib.maintainers; { | ||
| maintainers = [ willibutz ]; | ||
| }; | ||
|
|
||
| nodes = with lib; rec { | ||
| server = | ||
| { config, pkgs, ... }: | ||
| { | ||
| boot.kernelParams = [ | ||
| "ip=${ | ||
| (head config.networking.interfaces.eth1.ip4).address | ||
| }:::255.255.255.0::eth1:none" | ||
| ]; | ||
| boot.initrd.network = { | ||
| enable = true; | ||
| ssh = { | ||
| enable = true; | ||
| authorizedKeys = [ "${readFile keys.sshPub}" ]; | ||
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||
| port = 22; | ||
| hostRSAKey = keys.dbPriv; | ||
| }; | ||
| }; | ||
| boot.initrd.preLVMCommands = '' | ||
| while true; do | ||
| if [ -f fnord ]; then | ||
| poweroff | ||
| fi | ||
| sleep 1 | ||
| done | ||
| ''; | ||
| }; | ||
|
|
||
| client = | ||
| { config, pkgs, ... }: | ||
| { | ||
| environment.etc.knownHosts = { | ||
| text = concatStrings [ | ||
| "server," | ||
| "${toString (head (splitString " " ( | ||
| toString (elemAt (splitString "\n" config.networking.extraHosts) 2) | ||
| )))} " | ||
| "${readFile keys.dbPub}" | ||
| ]; | ||
| }; | ||
| }; | ||
| }; | ||
|
|
||
| testScript = '' | ||
| startAll; | ||
| $client->waitForUnit("network.target"); | ||
| $client->copyFileFromHost("${keys.sshPriv}","/etc/sshKey"); | ||
| $client->succeed("chmod 0600 /etc/sshKey"); | ||
| $client->waitUntilSucceeds("ping -c 1 server"); | ||
| $client->succeed("ssh -i /etc/sshKey -o UserKnownHostsFile=/etc/knownHosts server 'touch /fnord'"); | ||
| $client->shutdown; | ||
| ''; | ||
| }) | ||
Just a heads up, this causes building during evaluation, which we try to avoid on Hydra and in Nixpkgs. I'm going to change this to use a key embedded in this test.