Single node staging grid configuration on AWS EC2

morph/staging.nix

+let
+  # Pin the deployment package-set to a specific version of nixpkgs.  This is
+  # NixOS 19.03 as of Aug 28 2019.  There's nothing special about it.  It's
+  # just recent at the time of development.  It can be upgraded when there is
+  # value in doing so.
+  pkgs = import (builtins.fetchTarball {
+    url = "https://github.com/NixOS/nixpkgs/archive/3c83ad6ac13b67101cc3e2e07781963a010c1624.tar.gz";
+    sha256 = "0cdq342wrkvkyccygpp1gvwp7hhqg68hljjwld4vjixm901ayy14";
+  }) {};
+in
+{
+  network =  {
+    inherit pkgs;
+    description = "PrivateStorage.io Staging Grid";
+  };
+
+  "staging000" = import ./staging000.nix {
+    publicIPv4 = "3.123.26.90";
+    publicStoragePort = 8898;
+  };
+}

morph/staging000-hardware.nix

+{
+  imports = [
+    <nixpkgs/nixos/modules/virtualisation/amazon-image.nix>
+  ];
+
+  config.ec2.hvm = true;
+}

morph/staging000.nix

+{ publicIPv4, publicStoragePort }:
+{ imports = [
+    ./staging000-hardware.nix
+    ../nixos/modules/private-storage.nix
+  ];
+
+  services.private-storage.enable = true;
+  services.private-storage.tahoe.node."tub.port" = "tcp:${toString publicStoragePort}";
+  services.private-storage.tahoe.node."tub.location" = "tcp:${publicIPv4}:${toString publicStoragePort}";
+
+  networking.firewall.allowedTCPPorts = [ publicStoragePort ];
+}