26 files changed, 124 insertions, 264 deletions

diff --git a/tests/by-name/em/email-dns/nodes/mail_server.nix b/tests/by-name/em/email-dns/nodes/mail_server.nix
index a8c528a..279d289 100644
--- a/tests/by-name/em/email-dns/nodes/mail_server.nix
+++ b/tests/by-name/em/email-dns/nodes/mail_server.nix
@@ -13,7 +13,8 @@
       extraModules
       ++ [
         ../../../../../modules
-        ./acme/client.nix
+        ../../../../common/acme/client.nix
+        ../../../../common/dns/client.nix
       ];
 
     environment.systemPackages = [
@@ -21,12 +22,7 @@
       pkgs.openssl
     ];
 
-    networking.nameservers = lib.mkForce [
-      nodes.name_server.networking.primaryIPAddress
-      nodes.name_server.networking.primaryIPv6Address
-    ];
-
-    age.identityPaths = ["${../secrets/hostKey}"];
+    age.identityPaths = ["${../../../../common/email/hostKey}"];
 
     vhack = {
       stalwart-mail = {
@@ -36,8 +32,8 @@
         security = {
           dkimKeys = let
             loadKey = name: {
-              dkimPublicKey = builtins.readFile (../secrets/dkim + "/${name}/public");
-              dkimPrivateKeyPath = ../secrets/dkim + "/${name}/private.age";
+              dkimPublicKey = builtins.readFile (../../../../common/email/dkim + "/${name}/public");
+              dkimPrivateKeyPath = ../../../../common/email/dkim + "/${name}/private.age";
               keyAlgorithm = "ed25519-sha256";
             };
           in {
diff --git a/tests/by-name/em/email-dns/nodes/name_server.nix b/tests/by-name/em/email-dns/nodes/name_server.nix
index ef657f4..bde1a16 100644
--- a/tests/by-name/em/email-dns/nodes/name_server.nix
+++ b/tests/by-name/em/email-dns/nodes/name_server.nix
@@ -63,7 +63,7 @@
         adkim = "strict";
         aspf = "strict";
         fo = ["0" "1" "d" "s"];
-        p = "quarantine";
+        p = "reject";
         rua = cfg.admin;
         ruf = [cfg.admin];
       }
@@ -139,14 +139,10 @@ in {
     extraModules
     ++ [
       ../../../../../modules
-      ./acme/client.nix
+      ../../../../common/acme/client.nix
+      ../../../../common/dns/server.nix
     ];
 
-  networking.nameservers = lib.mkForce [
-    nodes.name_server.networking.primaryIPAddress
-    nodes.name_server.networking.primaryIPv6Address
-  ];
-
   services.nginx = {
     logError = "stderr debug";
     virtualHosts = let
@@ -175,145 +171,121 @@ in {
     nginx = {
       enable = true;
     };
-    dns = {
-      enable = true;
-      openFirewall = true;
-      interfaces = [
-        nodes.name_server.networking.primaryIPAddress
-        nodes.name_server.networking.primaryIPv6Address
-      ];
-
-      zones = let
-        stsZone = {
-          SOA = {
-            nameServer = "ns";
-            adminEmail = "admin@server.com";
-            serial = 2025012301;
-          };
+    dns.zones = let
+      stsZone = {
+        SOA = {
+          nameServer = "ns";
+          adminEmail = "admin@server.com";
+          serial = 2025012301;
+        };
 
-          useOrigin = false;
+        useOrigin = false;
 
-          A = [
-            nodes.name_server.networking.primaryIPAddress
-          ];
-          AAAA = [
-            nodes.name_server.networking.primaryIPv6Address
-          ];
+        A = [
+          nodes.name_server.networking.primaryIPAddress
+        ];
+        AAAA = [
+          nodes.name_server.networking.primaryIPv6Address
+        ];
+      };
+    in {
+      "arpa" = {
+        SOA = {
+          nameServer = "ns";
+          adminEmail = "admin@server.com";
+          serial = 2025012301;
         };
-      in {
-        "arpa" = {
-          SOA = {
-            nameServer = "ns";
-            adminEmail = "admin@server.com";
-            serial = 2025012301;
-          };
-          useOrigin = false;
-
-          PTR = [
-            {
-              name = "acme.test";
-              ip.v4 = nodes.acme.networking.primaryIPAddress;
-            }
-            {
-              name = "acme.test";
-              ip.v6 = nodes.acme.networking.primaryIPv6Address;
-            }
+        useOrigin = false;
 
-            {
-              name = "alice.com";
-              ip.v4 = nodes.alice.networking.primaryIPAddress;
-            }
-            {
-              name = "alice.com";
-              ip.v6 = nodes.alice.networking.primaryIPv6Address;
-            }
+        PTR = [
+          {
+            name = "acme.test";
+            ip.v4 = nodes.acme.networking.primaryIPAddress;
+          }
+          {
+            name = "acme.test";
+            ip.v6 = nodes.acme.networking.primaryIPv6Address;
+          }
 
-            {
-              name = "bob";
-              ip.v4 = nodes.bob.networking.primaryIPAddress;
-            }
-            {
-              name = "bob";
-              ip.v6 = nodes.bob.networking.primaryIPv6Address;
-            }
+          {
+            name = "alice.com";
+            ip.v4 = nodes.alice.networking.primaryIPAddress;
+          }
+          {
+            name = "alice.com";
+            ip.v6 = nodes.alice.networking.primaryIPv6Address;
+          }
 
-            {
-              name = "mail1.server.com";
-              ip.v4 = nodes.mail1_server.networking.primaryIPAddress;
-            }
-            {
-              name = "mail1.server.com";
-              ip.v6 = nodes.mail1_server.networking.primaryIPv6Address;
-            }
+          {
+            name = "bob";
+            ip.v4 = nodes.bob.networking.primaryIPAddress;
+          }
+          {
+            name = "bob";
+            ip.v6 = nodes.bob.networking.primaryIPv6Address;
+          }
 
-            {
-              name = "mail2.server.com";
-              ip.v4 = nodes.mail2_server.networking.primaryIPAddress;
-            }
-            {
-              name = "mail2.server.com";
-              ip.v6 = nodes.mail2_server.networking.primaryIPv6Address;
-            }
+          {
+            name = "mail1.server.com";
+            ip.v4 = nodes.mail1_server.networking.primaryIPAddress;
+          }
+          {
+            name = "mail1.server.com";
+            ip.v6 = nodes.mail1_server.networking.primaryIPv6Address;
+          }
 
-            {
-              name = "ns.server.com";
-              ip.v4 = nodes.name_server.networking.primaryIPAddress;
-            }
-            {
-              name = "ns.server.com";
-              ip.v6 = nodes.name_server.networking.primaryIPv6Address;
-            }
-          ];
-        };
+          {
+            name = "mail2.server.com";
+            ip.v4 = nodes.mail2_server.networking.primaryIPAddress;
+          }
+          {
+            name = "mail2.server.com";
+            ip.v6 = nodes.mail2_server.networking.primaryIPv6Address;
+          }
 
-        "alice.com" = mkZone "alice" nodes lib nodes.mail2_server.vhack.stalwart-mail;
-        "mta-sts.alice.com" = stsZone;
-        "bob.com" = mkZone "bob" nodes lib nodes.mail1_server.vhack.stalwart-mail;
-        "mta-sts.bob.com" = stsZone;
-        "mail1.server.com" = mkServerZone "mail1" nodes lib;
-        "mail2.server.com" = mkServerZone "mail2" nodes lib;
-        "ns.server.com" = {
-          SOA = {
-            nameServer = "ns";
-            adminEmail = "admin@server.com";
-            serial = 2025012301;
-          };
-          useOrigin = false;
+          {
+            name = "ns.server.com";
+            ip.v4 = nodes.name_server.networking.primaryIPAddress;
+          }
+          {
+            name = "ns.server.com";
+            ip.v6 = nodes.name_server.networking.primaryIPv6Address;
+          }
+        ];
+      };
 
-          A = [
-            nodes.name_server.networking.primaryIPAddress
-          ];
-          AAAA = [
-            nodes.name_server.networking.primaryIPv6Address
-          ];
+      "alice.com" = mkZone "alice" nodes lib nodes.mail2_server.vhack.stalwart-mail;
+      "mta-sts.alice.com" = stsZone;
+      "bob.com" = mkZone "bob" nodes lib nodes.mail1_server.vhack.stalwart-mail;
+      "mta-sts.bob.com" = stsZone;
+      "mail1.server.com" = mkServerZone "mail1" nodes lib;
+      "mail2.server.com" = mkServerZone "mail2" nodes lib;
+      "ns.server.com" = {
+        SOA = {
+          nameServer = "ns";
+          adminEmail = "admin@server.com";
+          serial = 2025012301;
         };
-        "acme.test" = {
-          SOA = {
-            nameServer = "ns";
-            adminEmail = "admin@server.com";
-            serial = 2025012301;
-          };
-          useOrigin = false;
+        useOrigin = false;
 
-          A = [
-            nodes.acme.networking.primaryIPAddress
-          ];
-          AAAA = [
-            nodes.acme.networking.primaryIPv6Address
-          ];
+        A = [
+          nodes.name_server.networking.primaryIPAddress
+        ];
+        AAAA = [
+          nodes.name_server.networking.primaryIPv6Address
+        ];
+      };
+      "server.com" = {
+        SOA = {
+          nameServer = "ns";
+          adminEmail = "admin@server.com";
+          serial = 2025012301;
         };
-        "server.com" = {
-          SOA = {
-            nameServer = "ns";
-            adminEmail = "admin@server.com";
-            serial = 2025012301;
-          };
 
-          useOrigin = false;
-          NS = [
-            "ns.server.com."
-          ];
-        };
+        useOrigin = false;
+        NS = [
+          "ns.server.com."
+        ];
       };
     };
   };
diff --git a/tests/by-name/em/email-dns/nodes/user.nix b/tests/by-name/em/email-dns/nodes/user.nix
index e4db347..fba02ce 100644
--- a/tests/by-name/em/email-dns/nodes/user.nix
+++ b/tests/by-name/em/email-dns/nodes/user.nix
@@ -8,7 +8,8 @@
     ...
   }: {
     imports = [
-      ./acme/client.nix
+      ../../../../common/acme/client.nix
+      ../../../../common/dns/client.nix
     ];
 
     environment.systemPackages = [
@@ -20,11 +21,6 @@
       pkgs.openssl
     ];
 
-    networking.nameservers = lib.mkForce [
-      nodes.name_server.networking.primaryIPAddress
-      nodes.name_server.networking.primaryIPv6Address
-    ];
-
     users.users."${user}" = {isNormalUser = true;};
 
     systemd.tmpfiles.rules = [
diff --git a/tests/by-name/em/email-dns/secrets/dkim/alice.com/private.age b/tests/by-name/em/email-dns/secrets/dkim/alice.com/private.age
deleted file mode 100644
index 97b9be7..0000000
--- a/tests/by-name/em/email-dns/secrets/dkim/alice.com/private.age
+++ /dev/null
@@ -1,11 +0,0 @@
------BEGIN AGE ENCRYPTED FILE-----
-YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IHNzaC1lZDI1NTE5IFJzZ1dwUSAxanpG
-VWxCYjF3aWFUUEM0b2Q2bGJUNEJZMGFlVkJpTFg3eUc1UGdyblF3CnlJVXY2Ti9z
-SmltMmIzM25jajl3WE5kMkVsY05NUkpDdzlJVHdJYXByZjQKLT4gU0t5SSxMLWdy
-ZWFzZSB6Tgova0Juc0x3RlFrR1NSVzBIMllYRmZiRXlzN2hSdHZQaFVDS3FPUFNr
-NzBiM0Q5dExOREgydFpKWm1MaGQ5QkxBCgotLS0gNC81ZHQ5eFBrUGJxWXF6dWF4
-Mlg0WHBXS2RqeW1uY1hGUVJXbHpUaDhlWQpih0QTGjejnwIQ2lvDFS1wbNiiOJ+c
-awJ2tX8chzWm+wOECaIZAqwW2NwVZj5Sj+Vzv6LQ1BVaQAiEN41GRvjyP/u3X+d+
-LKI3bPa8DWxQNd7/zAhFjSB1KEIBrqGb2GtW/Yv8Mu07V8IV/MaGUwpDOXgvFQVH
-UQ1qpM0R1r190IuV2Y7M558J42crH9/5mIvMH5rW++Ru
------END AGE ENCRYPTED FILE-----
diff --git a/tests/by-name/em/email-dns/secrets/dkim/bob.com/private.age b/tests/by-name/em/email-dns/secrets/dkim/bob.com/private.age
deleted file mode 100644
index 6bd9e28..0000000
--- a/tests/by-name/em/email-dns/secrets/dkim/bob.com/private.age
+++ /dev/null
@@ -1,13 +0,0 @@
------BEGIN AGE ENCRYPTED FILE-----
-YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IHNzaC1lZDI1NTE5IFJzZ1dwUSBtQ1lC
-bmtXZWlqeE1SWmR2d1JTcEZMZFRKZW1jVnRGSHpUMEM1cnpvTkdFCkRVbmlNV0ZS
-SDdobTFFQUcyU3dMVXlTditvZXN0L0pPN1ZHaWtxOFZSL1EKLT4gfSM6JGpjOlot
-Z3JlYXNlICdRYiBLKlV6CmZmczdSa2U5cWl6OG5QL0VaUGsyNUlCVFJ1UjJxVnpV
-ZE1sN2lSRTgzVjI1S3pJVzdqN05WUVZmaTRYMXptb0kKczJEOG9EM2xtMFRHd3Vt
-TUpiK2RzZkRwZTZqb3lEOGpKNy80Vk9BVDlSNjhYSkROYlVGQ1ZESGhIV3ZJWVEK
-LS0tIEk0MXVEci9ITERYRzZFbTJJQWxSQzhFV3NqV2o3M0NvVlNhLzhhVkJYcTQK
-GJtIH4AxSSwZhnLn5IUhOihz9Ai2lLnf00uhvF6+i29TtyEgxgWhisBJtzShB/Aq
-Bct5em093jryJPNQBNDJpImEViP9WS/kTqQG0bnu2i/Nr5+vZyRcK8qv75guMxki
-p7sUirbzCNtA+5JGGJb30PqOAWpflBPL0fkC5L7JyAjhNRCOgIL+QQS3mosU1AYJ
-izFOdod2DA==
------END AGE ENCRYPTED FILE-----
diff --git a/tests/by-name/em/email-dns/secrets/dkim/mail1.server.com/private.age b/tests/by-name/em/email-dns/secrets/dkim/mail1.server.com/private.age
deleted file mode 100644
index 03bb0b1..0000000
--- a/tests/by-name/em/email-dns/secrets/dkim/mail1.server.com/private.age
+++ /dev/null
@@ -1,10 +0,0 @@
------BEGIN AGE ENCRYPTED FILE-----
-YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IHNzaC1lZDI1NTE5IFJzZ1dwUSBiZmcz
-OVlacDhjS3pCWlZCYlpyVVFoQWxFN1Z0eTJIY2ovNVg2MjQ1SXpVClRZUnhkblFI
-c0VyelMxYzBsZ2NMUEVzWmtTSzJuVTdoVHFiZEc5cEd3aHMKLT4gJyctZ3JlYXNl
-IG1tIFt2YSAwCkQvY2VnMlBTSHhPbXJ2NE55ck0KLS0tIGkxWHdQb0NIVmZyaTdW
-bmorU2NLMjByakpTMlo1NUtFQ0NFd1YvOC9EaFEKtDNLHVtnsFiyhsREJOPq1xlk
-74MURNlYnlF1IMrUaA3oUQSR5M34Crg7rHtjF54OsRhm79Y1dGHWeeC3evVNVpY3
-1dn/q/12aWIzT/TgGcSi3bK5fPkv+nMs/WPKTREHJ1HcWLGDeH6e8uTV7lAwiSuP
-PjYhDbnNUCMMyaBsgbtCnMe8HuHdTwXQWuh0dApS5iL3z8qoSQ==
------END AGE ENCRYPTED FILE-----
diff --git a/tests/by-name/em/email-dns/secrets/dkim/mail2.server.com/private.age b/tests/by-name/em/email-dns/secrets/dkim/mail2.server.com/private.age
deleted file mode 100644
index 6768973..0000000
--- a/tests/by-name/em/email-dns/secrets/dkim/mail2.server.com/private.age
+++ /dev/null
@@ -1,13 +0,0 @@
------BEGIN AGE ENCRYPTED FILE-----
-YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IHNzaC1lZDI1NTE5IFJzZ1dwUSBBZ3Ex
-ZWNUU01JK0ZGOEhEWUpEM3JLdXpjc3doMVA2RUI5TVVpblQxS0JJCnlHRmdVVk05
-MW56cEt4M00raE1nU3JZaTMvTXdUQXdzbTYvVElqVjdvNWcKLT4gRnJFLWdyZWFz
-ZSA5bEhvWn4Kb01McHBBekVTalcwM0tob3VUd3NuVFlvZUpnSFQxbXVBaEJNMVlQ
-K1BiSjRCL1YrZDZoSnFBNU9aQkQyNjRoSwpqcnBnd2NJQlMxaHdoa0pPWGR0SEZO
-SU5DNjFxb3JQTTZITVZNRGF1VUR4Zm9laWhYd3lHZityRTNJVVF1bXdwCnhGYzMK
-LS0tIFFsN0Q3V1pxWUduSU9xd21uVEF2R0tJcURYa1FOTS9kMDh6RGkwNS9SMUEK
-Ni+1WbmAiavBCwLg8r1nvVipXQJ2/cItN1MgWlYe0+UrgLxRU5VLhoWi9BEulGEV
-KHkNWyMCK4Tl/NJt1PAQVJ6QBVHYYxIYQWY1QkNCqXe1YdaJ5jDcWGSZdhbCrzMN
-3tx3EPhigU2DiQZB6l4OOaHLjAw2a+POVwwsCavnRp7vEhs/5O2t5Lo2vCoDGCot
-6o+Sdr86mw==
------END AGE ENCRYPTED FILE-----
diff --git a/tests/by-name/em/email-dns/test.nix b/tests/by-name/em/email-dns/test.nix
index 32447ae..c7ba3b3 100644
--- a/tests/by-name/em/email-dns/test.nix
+++ b/tests/by-name/em/email-dns/test.nix
@@ -31,9 +31,9 @@ in
         lib,
         ...
       }: {
-        imports = [./nodes/acme];
-        networking.nameservers = lib.mkForce [
-          nodes.name_server.networking.primaryIPAddress
+        imports = [
+          ../../../common/acme/server.nix
+          ../../../common/dns/client.nix
         ];
       };
 
@@ -44,7 +44,7 @@ in
         {
           class = "individual";
           name = "bob";
-          secret = "bob-password";
+          secret = "{PLAIN}bob-password";
           email = ["bob@bob.com"];
         };
 
@@ -53,7 +53,7 @@ in
         {
           class = "individual";
           name = "alice";
-          secret = "alice-password";
+          secret = "{PLAIN}alice-password";
           email = ["alice@alice.com"];
         };
 
@@ -89,23 +89,14 @@ in
           exit 1
         }
       '';
-      inherit (pkgs) lib;
+
+      acme = import ../../../common/acme {inherit pkgs;};
     in
-      /*
-      python
-      */
+      acme.prepare ["mail1_server" "mail2_server" "alice" "bob"]
+      # Python
       ''
         from time import sleep
 
-        # Start dependencies for the other services
-        acme.start()
-        acme.wait_for_unit("pebble.service")
-        name_server.start()
-        name_server.wait_for_unit("nsd.service")
-
-        # Start the actual testing machines
-        start_all()
-
         mail1_server.wait_for_unit("stalwart-mail.service")
         mail1_server.wait_for_open_port(993) # imap
         mail1_server.wait_for_open_port(465) # smtp
@@ -119,33 +110,6 @@ in
         name_server.wait_until_succeeds("stat /var/lib/acme/mta-sts.alice.com/cert.pem")
         name_server.wait_until_succeeds("stat /var/lib/acme/mta-sts.bob.com/cert.pem")
 
-        with subtest("Add pebble ca key to all services"):
-          for node in [name_server, mail1_server, mail2_server, alice, bob]:
-            node.succeed("${pkgs.writeShellScript "fetch-and-set-ca" ''
-          set -xe
-
-          # Fetch the randomly generated ca certificate
-          curl https://acme.test:15000/roots/0 > /tmp/ca.crt
-          curl https://acme.test:15000/intermediates/0 >> /tmp/ca.crt
-
-          # Append it to the various system stores
-          # The file paths are from <nixpgks>/modules/security/ca.nix
-          for cert_path in "ssl/certs/ca-certificates.crt" "ssl/certs/ca-bundle.crt" "pki/tls/certs/ca-bundle.crt"; do
-            cert_path="/etc/$cert_path"
-
-            mv "$cert_path" "$cert_path.old"
-            cat "$cert_path.old" > "$cert_path"
-            cat /tmp/ca.crt >> "$cert_path"
-          done
-
-          export NIX_SSL_CERT_FILE=/tmp/ca.crt
-          export SSL_CERT_FILE=/tmp/ca.crt
-
-          # TODO
-          # # P11-Kit trust source.
-          # environment.etc."ssl/trust-source".source = "$${cacertPackage.p11kit}/etc/ssl/trust-source";
-        ''}")
-
         with subtest("Both mailserver successfully started all services"):
           import json
           def all_services_running(host):
diff --git a/tests/by-name/em/email-dns/nodes/acme/certs/generate b/tests/common/acme/certs/generate
index 0d6258e..0d6258e 100755
--- a/tests/by-name/em/email-dns/nodes/acme/certs/generate
+++ b/tests/common/acme/certs/generate
diff --git a/tests/by-name/em/email-dns/nodes/acme/certs/generate.ca b/tests/common/acme/certs/generate.ca
index 92832c5..92832c5 100755
--- a/tests/by-name/em/email-dns/nodes/acme/certs/generate.ca
+++ b/tests/common/acme/certs/generate.ca
diff --git a/tests/by-name/em/email-dns/nodes/acme/certs/generate.client b/tests/common/acme/certs/generate.client
index 5930298..5930298 100755
--- a/tests/by-name/em/email-dns/nodes/acme/certs/generate.client
+++ b/tests/common/acme/certs/generate.client
diff --git a/tests/by-name/em/email-dns/nodes/acme/certs/output/acme.test.cert.pem b/tests/common/acme/certs/output/acme.test.cert.pem
index 687101d..687101d 100644
--- a/tests/by-name/em/email-dns/nodes/acme/certs/output/acme.test.cert.pem
+++ b/tests/common/acme/certs/output/acme.test.cert.pem
diff --git a/tests/by-name/em/email-dns/nodes/acme/certs/output/acme.test.key.pem b/tests/common/acme/certs/output/acme.test.key.pem
index 06195b8..06195b8 100644
--- a/tests/by-name/em/email-dns/nodes/acme/certs/output/acme.test.key.pem
+++ b/tests/common/acme/certs/output/acme.test.key.pem
diff --git a/tests/by-name/em/email-dns/nodes/acme/certs/output/acme.test.template b/tests/common/acme/certs/output/acme.test.template
index 320a170..320a170 100644
--- a/tests/by-name/em/email-dns/nodes/acme/certs/output/acme.test.template
+++ b/tests/common/acme/certs/output/acme.test.template
diff --git a/tests/by-name/em/email-dns/nodes/acme/certs/output/ca.cert.pem b/tests/common/acme/certs/output/ca.cert.pem
index 0fa9d14..0fa9d14 100644
--- a/tests/by-name/em/email-dns/nodes/acme/certs/output/ca.cert.pem
+++ b/tests/common/acme/certs/output/ca.cert.pem
diff --git a/tests/by-name/em/email-dns/nodes/acme/certs/output/ca.key.pem b/tests/common/acme/certs/output/ca.key.pem
index 64263bc..64263bc 100644
--- a/tests/by-name/em/email-dns/nodes/acme/certs/output/ca.key.pem
+++ b/tests/common/acme/certs/output/ca.key.pem
diff --git a/tests/by-name/em/email-dns/nodes/acme/certs/output/ca.template b/tests/common/acme/certs/output/ca.template
index a2295d8..a2295d8 100644
--- a/tests/by-name/em/email-dns/nodes/acme/certs/output/ca.template
+++ b/tests/common/acme/certs/output/ca.template
diff --git a/tests/by-name/em/email-dns/nodes/acme/certs/snakeoil-certs.nix b/tests/common/acme/certs/snakeoil-certs.nix
index aeb6dfc..aeb6dfc 100644
--- a/tests/by-name/em/email-dns/nodes/acme/certs/snakeoil-certs.nix
+++ b/tests/common/acme/certs/snakeoil-certs.nix
diff --git a/tests/by-name/em/email-dns/nodes/acme/client.nix b/tests/common/acme/client.nix
index 2b870e8..2b870e8 100644
--- a/tests/by-name/em/email-dns/nodes/acme/client.nix
+++ b/tests/common/acme/client.nix
diff --git a/tests/by-name/em/email-dns/nodes/acme/default.nix b/tests/common/acme/server.nix
index 236ba6a..997c944 100644
--- a/tests/by-name/em/email-dns/nodes/acme/default.nix
+++ b/tests/common/acme/server.nix
@@ -1,28 +1,5 @@
-# The certificate for the ACME service is exported as:
-#
-#   config.test-support.acme.caCert
-#
-# This value can be used inside the configuration of other test nodes to inject
-# the test certificate into security.pki.certificateFiles or into package
-# overlays.
-#
-# {
-#   acme = { nodes, lib, ... }: {
-#     imports = [ ./common/acme/server ];
-#     networking.nameservers = lib.mkForce [
-#       nodes.mydnsresolver.networking.primaryIPAddress
-#     ];
-#   };
-#
-#   dnsmyresolver = ...;
-# }
-#
-# Keep in mind, that currently only _one_ resolver is supported, if you have
-# more than one resolver in networking.nameservers only the first one will be
-# used.
-#
-# Also make sure that whenever you use a resolver from a different test node
-# that it has to be started _before_ the ACME service.
+# Add this node as acme server.
+# This also needs a DNS server.
 {
   config,
   pkgs,
diff --git a/tests/by-name/em/email-dns/secrets/dkim/alice.com/public b/tests/common/email/dkim/alice.com/public
index 0f3c3b2..0f3c3b2 100644
--- a/tests/by-name/em/email-dns/secrets/dkim/alice.com/public
+++ b/tests/common/email/dkim/alice.com/public
diff --git a/tests/by-name/em/email-dns/secrets/dkim/bob.com/public b/tests/common/email/dkim/bob.com/public
index ddea670..ddea670 100644
--- a/tests/by-name/em/email-dns/secrets/dkim/bob.com/public
+++ b/tests/common/email/dkim/bob.com/public
diff --git a/tests/by-name/em/email-dns/secrets/dkim/gen_key.sh b/tests/common/email/dkim/gen_key.sh
index 1e090f4..48b4434 100755
--- a/tests/by-name/em/email-dns/secrets/dkim/gen_key.sh
+++ b/tests/common/email/dkim/gen_key.sh
@@ -1,6 +1,8 @@
 #! /usr/bin/env nix-shell
 #! nix-shell -p rage -p openssl -p dash -i dash --impure
 
+# shellcheck shell=dash
+
 cd "$(dirname "$0")" || {
     echo "No basedir?!"
     exit 1
diff --git a/tests/by-name/em/email-dns/secrets/dkim/mail1.server.com/public b/tests/common/email/dkim/mail1.server.com/public
index 4941b85..4941b85 100644
--- a/tests/by-name/em/email-dns/secrets/dkim/mail1.server.com/public
+++ b/tests/common/email/dkim/mail1.server.com/public
diff --git a/tests/by-name/em/email-dns/secrets/dkim/mail2.server.com/public b/tests/common/email/dkim/mail2.server.com/public
index 5c4406d..5c4406d 100644
--- a/tests/by-name/em/email-dns/secrets/dkim/mail2.server.com/public
+++ b/tests/common/email/dkim/mail2.server.com/public
diff --git a/tests/by-name/em/email-dns/secrets/hostKey b/tests/common/email/hostKey
index 79c9d6c..79c9d6c 100644
--- a/tests/by-name/em/email-dns/secrets/hostKey
+++ b/tests/common/email/hostKey