From db983fadeaf415d854ce2654f8f20274ec9b000f Mon Sep 17 00:00:00 2001
From: Gregor Kleen <gkleen@yggdrasil.li>
Date: Thu, 5 May 2022 14:20:08 +0200
Subject: ...

---
 hosts/surtr/email/default.nix | 38 +++++++++++++++++---------------------
 1 file changed, 17 insertions(+), 21 deletions(-)

(limited to 'hosts')

diff --git a/hosts/surtr/email/default.nix b/hosts/surtr/email/default.nix
index da1c005d..ddb2e32f 100644
--- a/hosts/surtr/email/default.nix
+++ b/hosts/surtr/email/default.nix
@@ -157,29 +157,25 @@ with lib;
       };
     };
 
-    security.acme.domains = let
-      mkSNI = ''
-        cat key.pem full.pem > sni.pem
-      '';
-    in {
-      "bouncy.email" = {
-        certCfg.postRun = mkSNI;
-      };
-      "mailin.bouncy.email" = {
-        certCfg.postRun = mkSNI;
-      };
-      "mailsub.bouncy.email" = {
-        certCfg.postRun = mkSNI;
-      };
+    security.acme.domains = {
+      "bouncy.email" = {};
+      "mailin.bouncy.email" = {};
+      "mailsub.bouncy.email" = {};
       "surtr.yggdrasil.li" = {};
     };
 
-    systemd.services.postfix.serviceConfig.LoadCredential = [
-      "surtr.yggdrasil.li.key.pem:${config.security.acme.certs."surtr.yggdrasil.li".directory}/key.pem"
-      "surtr.yggdrasil.li.pem:${config.security.acme.certs."surtr.yggdrasil.li".directory}/fullchain.pem"
-      "bouncy.email.sni.pem:${config.security.acme.certs."bouncy.email".directory}/sni.pem"
-      "mailin.bouncy.email.sni.pem:${config.security.acme.certs."mailin.bouncy.email".directory}/sni.pem"
-      "mailsub.bouncy.email.sni.pem:${config.security.acme.certs."mailsub.bouncy.email".directory}/sni.pem"
-    ];
+    systemd.services.postfix = {
+      preStart = concatMapStringsSep "\n" (domain: ''
+        cat /var/lib/acme/${domain}/key.pem /var/lib/acme/${domain}/full.pem > /var/lib/acme/${domain}/sni.pem
+      '') ["bouncy.email" "mailin.bouncy.email" "mailsub.bouncy.email" "surtr.yggdrasil.li"];
+      
+      serviceConfig.LoadCredential = [
+        "surtr.yggdrasil.li.key.pem:${config.security.acme.certs."surtr.yggdrasil.li".directory}/key.pem"
+        "surtr.yggdrasil.li.pem:${config.security.acme.certs."surtr.yggdrasil.li".directory}/fullchain.pem"
+        "bouncy.email.sni.pem:${config.security.acme.certs."bouncy.email".directory}/sni.pem"
+        "mailin.bouncy.email.sni.pem:${config.security.acme.certs."mailin.bouncy.email".directory}/sni.pem"
+        "mailsub.bouncy.email.sni.pem:${config.security.acme.certs."mailsub.bouncy.email".directory}/sni.pem"
+      ];
+    };
   };
 }
-- 
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