1 files changed, 60 insertions, 0 deletions
diff --git a/os/core/zfs.nix b/os/core/zfs.nix
new file mode 100644
index 0000000..771644d
--- /dev/null
+++ b/os/core/zfs.nix
@@ -0,0 +1,60 @@
+{ config, lib, ... }:
+let
+  cfg = config.os.srv.zfs;
+in
+{
+  options.os.srv.zfs.enable = lib.mkEnableOption "enables zfs drive maintnance";
+  config = lib.mkIf cfg.enable {
+    assertions = [
+      {
+        assertion = config.os.core.drivers.kernel == "zfs";
+        message = "ZFS requires the zfs supported kernel";
+      }
+      {
+        assertion = config.os.srv.sops.enable;
+        message = "required for storing the ntfy token";
+      }
+    ];
+
+    sops.secrets."ntfy/zed".neededForUsers = false;
+
+    boot = {
+      kernelParams = [ "zfs.zfs_arc_max=${toString (32 * 1024 * 1024 * 1024)}" ];
+      zfs = {
+        # requestEncryptionCredentials = [ "zroot" ];
+        # useKeyringForCredentials = true;
+        extraPools = [ "tank" ];
+      };
+      supportedFilesystems = [ "zfs" ];
+      initrd.supportedFilesystems = [ "zfs" ];
+    };
+    services.zfs = {
+      expandOnBoot = "all";
+      autoScrub.enable = true;
+      trim.enable = true;
+      autoSnapshot = {
+        enable = true;
+        flags = "-k -p --utc";
+      };
+      zed = {
+        settings = {
+          ZED_DEBUG_LOG = "/var/log/zed.debug.log";
+
+          ZED_NOTIFY_INTERVAL_SECS = 3600;
+          ZED_NOTIFY_VERBOSE = 0;
+
+          ZED_USE_ENCLOSURE_LEDS = 1;
+          ZED_SCRUB_AFTER_RESILVER = 1;
+          ZED_POWER_OFF_ENCLOSURE_SLOT_ON_FAULT = 1;
+          ZED_POWER_OFF_ENCLOSURE_SLOT_ON_DEADMAN = 1;
+
+          ZED_NTFY_TOPIC = "zed-alerts-bibus-lab";
+          ZED_NTFY_URL = "http://${config.os.core.network.ips.monitor-vm}:8085";
+        };
+      };
+    };
+    systemd.services.zfs-zed.serviceConfig.EnvironmentFile = config.sops.secrets."ntfy/zed".path;
+    networking.hostId = "4e3e22e1";
+
+  };
+}