feat(gs/system): Init roswell

An ec2 node I'm using as a remote dev box

Change-Id: I7d81371ecdc11d6c1b5bc06d1b4f55de534d25ad
Reviewed-on: https://cl.tvl.fyi/c/depot/+/2244
Tested-by: BuildkiteCI
Reviewed-by: glittershark <grfn@gws.fyi>

users/glittershark/system/system/default.nix

@@ -1,5 +1,9 @@
 args @ { depot, pkgs, ... }:
 
+let
+  nixpkgs = import pkgs.nixpkgsSrc {};
+in
+
 rec {
   chupacabra = import ./machines/chupacabra.nix;
 
@@ -13,6 +17,27 @@ rec {
     configuration = mugwump;
   }).system;
 
+  roswell = import ./machines/roswell.nix;
+
+  roswellSystem = (pkgs.nixos {
+    configuration = { ... }: {
+      imports = [
+        ./machines/roswell.nix
+        "${nixpkgs.home-manager.src}/nixos"
+        "${depot.depotPath}/ops/nixos/depot.nix"
+      ];
+      inherit depot;
+
+      home-manager.users.grfn = { config, lib, ... }: {
+        imports = [ ../home/machines/roswell.nix ];
+        lib.depot = depot;
+        _module.args.pkgs = lib.mkForce
+          (import pkgs.nixpkgsSrc
+            (lib.filterAttrs (n: v: v != null) config.nixpkgs));
+      };
+    };
+  }).system;
+
   yeren = import ./machines/yeren.nix;
 
   yerenSystem = (pkgs.nixos {
@@ -31,6 +56,7 @@ rec {
   meta.targets = [
     "chupacabraSystem"
     "mugwumpSystem"
+    "roswellSystem"
     "yerenSystem"
 
     "iso"

users/glittershark/system/system/machines/roswell.nix

@@ -0,0 +1,17 @@
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports = [
+    ../modules/common.nix
+    "${modulesPath}/installer/scan/not-detected.nix"
+    "${modulesPath}/virtualisation/amazon-image.nix"
+  ];
+
+  ec2.hvm = true;
+
+  networking.hostName = "roswell";
+
+  users.users.grfn.openssh.authorizedKeys.keys = [
+    config.depot.users.glittershark.keys.main
+  ];
+}