From 25f354e8f2550f2eae4d0ba3b80c250332279caa Mon Sep 17 00:00:00 2001
From: Gregor Kleen <gkleen@yggdrasil.li>
Date: Sun, 30 May 2021 16:21:13 +0200
Subject: acme@surtr: rheperire.org test

---
 hosts/surtr/default.nix |  2 +-
 hosts/surtr/tls.nix     | 54 +++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 55 insertions(+), 1 deletion(-)
 create mode 100644 hosts/surtr/tls.nix

(limited to 'hosts/surtr')

diff --git a/hosts/surtr/default.nix b/hosts/surtr/default.nix
index 0ab67967..72ed81ae 100644
--- a/hosts/surtr/default.nix
+++ b/hosts/surtr/default.nix
@@ -1,7 +1,7 @@
 { flake, pkgs, lib, ... }:
 {
   imports = with flake.nixosModules.systemProfiles; [
-    qemu-guest openssh rebuild-machines ./zfs.nix ./dns
+    qemu-guest openssh rebuild-machines ./zfs.nix ./dns ./tls.nix
   ];
 
   config = {
diff --git a/hosts/surtr/tls.nix b/hosts/surtr/tls.nix
new file mode 100644
index 00000000..e78aa298
--- /dev/null
+++ b/hosts/surtr/tls.nix
@@ -0,0 +1,54 @@
+{ pkgs, ... }:
+let
+  knotDNSCredentials = zone: pkgs.writeTextFile "lego-credentials" ''
+    EXEC_PATH=${knotDNSExec zone}/bin/update-dns.sh
+  '';
+  knotDNSExec = zone: pkgs.writeScriptBin "update-dns.sh" ''
+    #!${pkgs.zsh}/bin/zsh -xe
+
+    mode=$1
+    fqdn=$2
+    challenge=$3
+
+    owner=''${fqdn%"${zone}."}
+
+    knotc zone-begin "${zone}"
+
+    case "''${mode}" in
+      present)
+        knotc zone-set ${zone} "''${owner}" 300 TXT "''${challenge}"
+        ;;
+      cleanup)
+        knotc zone-unset ${zone} "''${owner}" TXT "''${challenge}"
+        ;;
+      *)
+        exit 2
+        ;;
+    esac
+
+    knotc zone-commit "${zone}"
+  '';
+in {
+  config = {
+    fileSystems."/var/lib/acme" =
+      { device = "surtr/safe/var-lib-acme";
+        fsType = "zfs";
+      };
+
+    security.acme = {
+      server = "https://acme-staging-v02.api.letsencrypt.org/directory";
+      
+      acceptTerms = true;
+      preliminarySelfsigned = false;
+      email = "phikeebaogobaegh@141.li";
+      certs = {
+        "rheperire.org" = {
+          domain = "rheperire.org";
+          extraDomainNames = "*.rheperire.org";
+          dnsProvider = "exec";
+          credentialsFile = knotDNSCredentials "rheperire.org";
+        };
+      };
+    };
+  };
+}
-- 
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