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authorAlyssa Ross <hi@alyssa.is>2022-05-31 09:59:33 +0000
committerAlyssa Ross <hi@alyssa.is>2022-05-31 09:59:57 +0000
commit9ff36293d1e428cd7bf03e8d4b03611b6d361c28 (patch)
tree1ab51a42b868c55b83f6ccdb80371b9888739dd9 /nixos/modules/virtualisation/lxcfs.nix
parent1c4fcd0d4b0541e674ee56ace1053e23e562cc80 (diff)
parentddc3c396a51918043bb0faa6f676abd9562be62c (diff)
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Diffstat (limited to 'nixos/modules/virtualisation/lxcfs.nix')
-rw-r--r--nixos/modules/virtualisation/lxcfs.nix45
1 files changed, 45 insertions, 0 deletions
diff --git a/nixos/modules/virtualisation/lxcfs.nix b/nixos/modules/virtualisation/lxcfs.nix
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index 00000000000..b2457403463
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+++ b/nixos/modules/virtualisation/lxcfs.nix
@@ -0,0 +1,45 @@
+# LXC Configuration
+
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+  cfg = config.virtualisation.lxc.lxcfs;
+in {
+  meta.maintainers = [ maintainers.mic92 ];
+
+  ###### interface
+  options.virtualisation.lxc.lxcfs = {
+    enable =
+      mkOption {
+        type = types.bool;
+        default = false;
+        description = ''
+          This enables LXCFS, a FUSE filesystem for LXC.
+          To use lxcfs in include the following configuration in your
+          container configuration:
+          <code>
+            virtualisation.lxc.defaultConfig = "lxc.include = ''${pkgs.lxcfs}/share/lxc/config/common.conf.d/00-lxcfs.conf";
+          </code>
+        '';
+      };
+  };
+
+  ###### implementation
+  config = mkIf cfg.enable {
+    systemd.services.lxcfs = {
+      description = "FUSE filesystem for LXC";
+      wantedBy = [ "multi-user.target" ];
+      before = [ "lxc.service" ];
+      restartIfChanged = false;
+      serviceConfig = {
+        ExecStartPre="${pkgs.coreutils}/bin/mkdir -p /var/lib/lxcfs";
+        ExecStart="${pkgs.lxcfs}/bin/lxcfs /var/lib/lxcfs";
+        ExecStopPost="-${pkgs.fuse}/bin/fusermount -u /var/lib/lxcfs";
+        KillMode="process";
+        Restart="on-failure";
+      };
+    };
+  };
+}