tests zfs: add crypted

example/zfs.nix

@@ -88,6 +88,21 @@
             mountpoint = "/ext4onzfs";
           };
         };
+        encrypted = {
+          zfs_type = "filesystem";
+          size = "20M";
+          options = {
+            mountpoint = "none";
+            encryption = "aes-256-gcm";
+            keyformat = "passphrase";
+            keylocation = "file:///tmp/secret.key";
+          };
+        };
+        "encrypted/test" = {
+          zfs_type = "filesystem";
+          size = "2M";
+          mountpoint = "/zfs_crypted";
+        };
       };
     };
   };

tests/lib.nix

@@ -12,6 +12,7 @@
     , grub-devices ? [ "nodev" ]
     , efi ? true
     , enableOCR ? false
+    , postDisko ? ""
     , testMode ? "direct" # can be one of direct module cli
     , testBoot ? true # if we actually want to test booting or just create/mount
     }:
@@ -148,6 +149,8 @@
           machine.succeed("${tsp-disko}") # verify that we can destroy and recreate
         ''}
 
+        ${postDisko}
+
         ${lib.optionalString testBoot ''
           # mount nix-store in /mnt
           machine.succeed("mkdir -p /mnt/nix/store")

tests/zfs.nix

@@ -5,7 +5,16 @@ makeDiskoTest {
   disko-config = ../example/zfs.nix;
   extraConfig = {
     fileSystems."/zfs_legacy_fs".options = [ "nofail" ]; # TODO find out why we need this!
+    boot.zfs.requestEncryptionCredentials = true;
   };
+  postDisko = ''
+    machine.succeed("zfs set keylocation=prompt zroot/encrypted")
+  '';
+  enableOCR = true;
+  bootCommands = ''
+    machine.wait_for_text("passphrase for")
+    machine.send_chars("secretsecret\n")
+  '';
   extraTestScript = ''
     machine.succeed("test -b /dev/zvol/zroot/zfs_testvolume");
 
@@ -25,5 +34,8 @@ makeDiskoTest {
     machine.succeed("mountpoint /zfs_fs");
     machine.succeed("mountpoint /zfs_legacy_fs");
     machine.succeed("mountpoint /ext4onzfs");
+    machine.succeed("mountpoint /zfs_crypted");
+    machine.succeed("zfs get keystatus zroot/encrypted");
+    machine.succeed("zfs get keystatus zroot/encrypted/test");
   '';
 }