From 53b88524989e51c3b3da87dfa1ee8b95c32467f7 Mon Sep 17 00:00:00 2001
From: Nikolay Amiantov <ab@fmap.me>
Date: Fri, 20 May 2016 16:34:16 +0300
Subject: initrd-ssh service: add assertions for host keys

---
 nixos/modules/system/boot/initrd-ssh.nix | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'nixos/modules/system')

diff --git a/nixos/modules/system/boot/initrd-ssh.nix b/nixos/modules/system/boot/initrd-ssh.nix
index a881459bed18..3e2805a8c341 100644
--- a/nixos/modules/system/boot/initrd-ssh.nix
+++ b/nixos/modules/system/boot/initrd-ssh.nix
@@ -85,6 +85,10 @@ in
   };
 
   config = mkIf (config.boot.initrd.network.enable && cfg.enable) {
+    assertions = [ {
+      assertion = cfg.hostRSAKey != null || cfg.hostDSSKey != null || cfg.hostECDSAKey != null;
+      message = "You should specify at least one host key for initrd SSH";
+    } ];
 
     boot.initrd.extraUtilsCommands = ''
       copy_bin_and_libs ${pkgs.dropbear}/bin/dropbear
-- 
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