feat[server]: setup attic cache automatically

modules/nixos/server/attic-setup.nix

@@ -0,0 +1,54 @@
+{ lib, config, pkgs, globals, ... }:
+
+{
+  options.swarselmodules.server.attic-setup = lib.mkEnableOption "enable attic setup";
+  config = lib.mkIf config.swarselmodules.server.attic-setup {
+
+    environment.systemPackages = with pkgs; [
+      attic-client
+    ];
+
+    sops = {
+      secrets = {
+        attic-cache-key = { };
+      };
+      templates = {
+        "attic-env".content = ''
+          DOMAIN=https://${globals.services.attic.domain}
+          TOKEN=${config.sops.placeholder.attic-cache-key}
+        '';
+      };
+    };
+
+    systemd.services.attic-cache-setup = {
+      description = "Ensure attic is authenticated to cache";
+      wantedBy = [ "multi-user.target" ];
+      after = [ "network-online.target" ];
+      wants = [ "network-online.target" ];
+
+      serviceConfig = {
+        Type = "oneshot";
+        EnvironmentFile = [
+          config.sops.templates.attic-env.path
+        ];
+      };
+      script =
+        let
+          attic = lib.getExe pkgs.attic-client;
+        in
+        ''
+          set -eu
+          if ${attic} cache info ${config.swarselsystems.mainUser} >/dev/null 2>&1; then
+            echo "cache already authenticated"
+            exit 0
+          fi
+          echo "cache not authenticated, attempting login..."
+          ${attic} login ${config.swarselsystems.mainUser} "$DOMAIN" "$TOKEN" --set-default
+          ${attic} use ${config.swarselsystems.mainUser}
+        '';
+
+    };
+
+  };
+
+}

modules/nixos/server/packages.nix

@@ -11,10 +11,9 @@
       emacs
       vim
       sops
-      swarsel-deploy
       tmux
       busybox
-      attic-client
+      swarsel-deploy
       swarsel-gens
       swarsel-switch
     ];

profiles/nixos/localserver/default.nix

@@ -20,6 +20,7 @@
         diskEncryption = lib.mkDefault true;
         packages = lib.mkDefault true;
         ssh = lib.mkDefault true;
+        attic-setup = lib.mkDefault true;
       };
     };
   };

secrets/repo/common.yaml

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@@ -144,8 +146,8 @@ sops:
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