tests/initrd-network-ssh: Don't build during evaluation

Issue #29774

nixos/release.nix

···
   tests.hibernate = callTest tests/hibernate.nix {};
   tests.hound = callTest tests/hound.nix {};
   tests.i3wm = callTest tests/i3wm.nix {};
-  tests.initrd-network-ssh = callTest tests/initrd-network-ssh.nix {};
+  tests.initrd-network-ssh = callTest tests/initrd-network-ssh {};
   tests.installer = callSubTests tests/installer.nix {};
   tests.influxdb = callTest tests/influxdb.nix {};
   tests.ipv6 = callTest tests/ipv6.nix {};

nixos/tests/initrd-network-ssh.nix nixos/tests/initrd-network-ssh/default.nix

···
-import ./make-test.nix ({ pkgs, lib, ... }:
+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 $sshPub
-  '';
-
-in {
+{
   name = "initrd-network-ssh";
   meta = with lib.maintainers; {
     maintainers = [ willibutz ];
···
           enable = true;
           ssh = {
             enable = true;
-            authorizedKeys = [ "${readFile keys.sshPub}" ];
+            authorizedKeys = [ "${readFile ./openssh.pub}" ];
             port = 22;
-            hostRSAKey = keys.dbPriv;
+            hostRSAKey = ./dropbear.priv;
           };
         };
         boot.initrd.preLVMCommands = ''
···
             "${toString (head (splitString " " (
               toString (elemAt (splitString "\n" config.networking.extraHosts) 2)
             )))} "
-            "${readFile keys.dbPub}"
+            "${readFile ./dropbear.pub}"
           ];
         };
       };
···
   testScript = ''
     startAll;
     $client->waitForUnit("network.target");
-    $client->copyFileFromHost("${keys.sshPriv}","/etc/sshKey");
+    $client->copyFileFromHost("${./openssh.priv}","/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'");

nixos/tests/initrd-network-ssh/dropbear.pub

···
+ssh-rsa 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 tmtynkky@duuni

nixos/tests/initrd-network-ssh/generate-keys.nix

···
+with import ../../.. {};
+
+runCommand "gen-keys" {
+    buildInputs = [ dropbear openssh ];
+  }
+  ''
+    mkdir $out
+    dropbearkey -t rsa -f $out/dropbear.priv -s 4096 | sed -n 2p > $out/dropbear.pub
+    ssh-keygen -q -t rsa -b 4096 -N "" -f client
+    mv client $out/openssh.priv
+    mv client.pub $out/openssh.pub
+  ''

nixos/tests/initrd-network-ssh/openssh.priv

···
+-----BEGIN RSA PRIVATE KEY-----
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+-----END RSA PRIVATE KEY-----

nixos/tests/initrd-network-ssh/openssh.pub

···
+ssh-rsa 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 tmtynkky@duuni