1 files changed, 50 insertions, 0 deletions
diff --git a/os/core/persistance.nix b/os/core/persistance.nix
new file mode 100644
index 0000000..89f3702
--- /dev/null
+++ b/os/core/persistance.nix
@@ -0,0 +1,50 @@
+{
+  config,
+  lib,
+  inputs,
+  ...
+}:
+let
+  cfg = config.os.srv.persistance;
+in
+{
+  imports = [ inputs.impermanence.nixosModules.impermanence ];
+
+  options.os.srv.persistance.enable = lib.mkEnableOption "enables persistance drive maintnance";
+  config = lib.mkMerge [
+    (lib.mkIf cfg.enable {
+      environment.persistence."/persist" = {
+        hideMounts = true;
+        directories = [
+          "/var/lib/nixos"
+          "/var/lib/systemd"
+          "/var/lib/microvm"
+        ];
+        files = [
+          "/etc/machine-id"
+        ];
+      };
+    })
+    (lib.mkIf (cfg.enable && config.os.srv.ssh.server.enable) {
+      environment.persistence."/persist" = {
+        files = [
+          "/etc/ssh/ssh_host_ed25519_key"
+          "/etc/ssh/ssh_host_ed25519_key.pub"
+        ];
+      };
+    })
+    (lib.mkIf (cfg.enable && config.os.srv.crowdsec.agent.enable) {
+      environment.persistence."/persist" = lib.mkIf cfg.agent.enable {
+        hideMounts = true;
+        directories = [
+          {
+            directory = "/var/lib/crowdsec";
+            user = "crowdsec";
+            group = "crowdsec";
+            mode = "0750";
+          }
+        ];
+      };
+    })
+  ];
+}