Add new Nix On Droid janeway host

flake.lock

@@ -587,7 +587,7 @@
     "hercules-ci-effects_3": {
       "inputs": {
         "flake-parts": "flake-parts_7",
-        "nixpkgs": "nixpkgs_7"
+        "nixpkgs": "nixpkgs_8"
       },
       "locked": {
         "lastModified": 1701009247,
@@ -624,6 +624,27 @@
         "type": "github"
       }
     },
+    "home-manager_2": {
+      "inputs": {
+        "nixpkgs": [
+          "nix-on-droid",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1709445365,
+        "narHash": "sha256-DVv6nd9FQBbMWbOmhq0KVqmlc3y3FMSYl49UXmMcO+0=",
+        "owner": "nix-community",
+        "repo": "home-manager",
+        "rev": "4de84265d7ec7634a69ba75028696d74de9a44a7",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "home-manager",
+        "type": "github"
+      }
+    },
     "homeManager": {
       "inputs": {
         "nixpkgs": [
@@ -725,6 +746,52 @@
         "type": "github"
       }
     },
+    "nix-formatter-pack": {
+      "inputs": {
+        "nixpkgs": [
+          "nix-on-droid",
+          "nixpkgs"
+        ],
+        "nmd": "nmd",
+        "nmt": "nmt"
+      },
+      "locked": {
+        "lastModified": 1705252799,
+        "narHash": "sha256-HgSTREh7VoXjGgNDwKQUYcYo13rPkltW7IitHrTPA5c=",
+        "owner": "Gerschtli",
+        "repo": "nix-formatter-pack",
+        "rev": "2de39dedd79aab14c01b9e2934842051a160ffa5",
+        "type": "github"
+      },
+      "original": {
+        "owner": "Gerschtli",
+        "repo": "nix-formatter-pack",
+        "type": "github"
+      }
+    },
+    "nix-on-droid": {
+      "inputs": {
+        "home-manager": "home-manager_2",
+        "nix-formatter-pack": "nix-formatter-pack",
+        "nixpkgs": "nixpkgs_7",
+        "nixpkgs-docs": "nixpkgs-docs",
+        "nixpkgs-for-bootstrap": "nixpkgs-for-bootstrap",
+        "nmd": "nmd_2"
+      },
+      "locked": {
+        "lastModified": 1710434231,
+        "narHash": "sha256-yrWnsG28518tbIapJWiluweHORuuIwAQrA8lga0Sqlw=",
+        "owner": "nix-community",
+        "repo": "nix-on-droid",
+        "rev": "2d93311c4f3f300154d2085e4b4b1d550237da92",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "nix-on-droid",
+        "type": "github"
+      }
+    },
     "nixDarwin": {
       "inputs": {
         "nixpkgs": [
@@ -800,6 +867,38 @@
         "type": "github"
       }
     },
+    "nixpkgs-docs": {
+      "locked": {
+        "lastModified": 1705957679,
+        "narHash": "sha256-Q8LJaVZGJ9wo33wBafvZSzapYsjOaNjP/pOnSiKVGHY=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "9a333eaa80901efe01df07eade2c16d183761fa3",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "release-23.05",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs-for-bootstrap": {
+      "locked": {
+        "lastModified": 1708105575,
+        "narHash": "sha256-sS4AItZeUnAei6v8FqxNlm+/27MPlfoGym/TZP0rmH0=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "1d1817869c47682a6bee85b5b0a6537b6c0fba26",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "1d1817869c47682a6bee85b5b0a6537b6c0fba26",
+        "type": "github"
+      }
+    },
     "nixpkgs-kernel": {
       "locked": {
         "lastModified": 1656239181,
@@ -1051,6 +1150,21 @@
       }
     },
     "nixpkgs_7": {
+      "locked": {
+        "lastModified": 1708172716,
+        "narHash": "sha256-3M94oln0b61m3dUmLyECCA9hYAHXZEszM4saE3CmQO4=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "5d874ac46894c896119bce68e758e9e80bdb28f1",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_8": {
       "locked": {
         "lastModified": 1697723726,
         "narHash": "sha256-SaTWPkI8a5xSHX/rrKzUe+/uVNy6zCGMXgoeMb7T9rg=",
@@ -1066,7 +1180,7 @@
         "type": "github"
       }
     },
-    "nixpkgs_8": {
+    "nixpkgs_9": {
       "locked": {
         "lastModified": 1678470307,
         "narHash": "sha256-OEeMUr3ueLIXyW/OaFUX5jUdimyQwMg/7e+/Q0gC/QE=",
@@ -1082,6 +1196,60 @@
         "type": "github"
       }
     },
+    "nmd": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1666190571,
+        "narHash": "sha256-Z1hc7M9X6L+H83o9vOprijpzhTfOBjd0KmUTnpHAVjA=",
+        "owner": "rycee",
+        "repo": "nmd",
+        "rev": "b75d312b4f33bd3294cd8ae5c2ca8c6da2afc169",
+        "type": "gitlab"
+      },
+      "original": {
+        "owner": "rycee",
+        "repo": "nmd",
+        "type": "gitlab"
+      }
+    },
+    "nmd_2": {
+      "inputs": {
+        "nixpkgs": [
+          "nix-on-droid",
+          "nixpkgs-docs"
+        ],
+        "scss-reset": "scss-reset"
+      },
+      "locked": {
+        "lastModified": 1705050560,
+        "narHash": "sha256-x3zzcdvhJpodsmdjqB4t5mkVW22V3wqHLOun0KRBzUI=",
+        "owner": "~rycee",
+        "repo": "nmd",
+        "rev": "66d9334933119c36f91a78d565c152a4fdc8d3d3",
+        "type": "sourcehut"
+      },
+      "original": {
+        "owner": "~rycee",
+        "repo": "nmd",
+        "type": "sourcehut"
+      }
+    },
+    "nmt": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1648075362,
+        "narHash": "sha256-u36WgzoA84dMVsGXzml4wZ5ckGgfnvS0ryzo/3zn/Pc=",
+        "owner": "rycee",
+        "repo": "nmt",
+        "rev": "d83601002c99b78c89ea80e5e6ba21addcfe12ae",
+        "type": "gitlab"
+      },
+      "original": {
+        "owner": "rycee",
+        "repo": "nmt",
+        "type": "gitlab"
+      }
+    },
     "nur": {
       "locked": {
         "lastModified": 1712062467,
@@ -1199,7 +1367,7 @@
         "fan-control": "fan-control",
         "flake-parts": "flake-parts_8",
         "kernel-src": "kernel-src",
-        "nixpkgs": "nixpkgs_8",
+        "nixpkgs": "nixpkgs_9",
         "nixpkgs-kernel": "nixpkgs-kernel",
         "panfork": "panfork",
         "tow-boot": "tow-boot",
@@ -1232,6 +1400,7 @@
         "homeManagerGitWorkspace": "homeManagerGitWorkspace",
         "homeManagerSwayNC": "homeManagerSwayNC",
         "nix-fast-build": "nix-fast-build",
+        "nix-on-droid": "nix-on-droid",
         "nixDarwin": "nixDarwin",
         "nixThePlanet": "nixThePlanet",
         "nixosHardware": "nixosHardware",
@@ -1244,6 +1413,22 @@
         "treefmt-nix": "treefmt-nix_3"
       }
     },
+    "scss-reset": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1631450058,
+        "narHash": "sha256-muDlZJPtXDIGevSEWkicPP0HQ6VtucbkMNygpGlBEUM=",
+        "owner": "andreymatin",
+        "repo": "scss-reset",
+        "rev": "0cf50e27a4e95e9bb5b1715eedf9c54dee1a5a91",
+        "type": "github"
+      },
+      "original": {
+        "owner": "andreymatin",
+        "repo": "scss-reset",
+        "type": "github"
+      }
+    },
     "slimlock": {
       "inputs": {
         "nixpkgs": [

flake.nix

@@ -55,6 +55,7 @@
       url = "github:LnL7/nix-darwin";
       inputs.nixpkgs.follows = "nixpkgsUnstable";
     };
+    nix-on-droid.url = "github:nix-community/nix-on-droid";
   };
 
   outputs = inputs @ {flakeParts, ...}:

hosts/default.nix

@@ -8,8 +8,9 @@
   imports = [./module.nix];
 
   fleet = {
-    darwinHosts.archer = {
+    darwinHosts.archer = {};
-    };
+
+    nixOnDroidHosts.janeway = {};
 
     hosts = {
       # thinkpad = {
@@ -164,14 +165,4 @@
       };
     };
   };
-
-  flake.nixosConfigurations =
-    lib.mapAttrs
-    config.fleet._mkNixosConfiguration
-    config.fleet.hosts;
-
-  flake.darwinConfigurations =
-    lib.mapAttrs
-    config.fleet._mkDarwinConfiguration
-    config.fleet.darwinHosts;
 }

hosts/janeway/default.nix

@@ -0,0 +1,58 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}: let
+  sshdTmpDirectory = "${config.user.home}/sshd-tmp";
+  sshdDirectory = "${config.user.home}/sshd";
+  pathToPubKey = "/mnt/sdcard/Download/picard_host_key.pub";
+  port = 8022;
+in {
+  # Backup etc files instead of failing to activate generation if a file already exists in /etc
+  environment.etcBackupExtension = ".bak";
+
+  # Read the changelog before changing this value
+  system.stateVersion = "23.11";
+
+  # Set up nix for flakes
+  nix.extraOptions = ''
+    experimental-features = nix-command flakes
+  '';
+
+  # Set your time zone
+  time.timeZone = "Europe/Rome";
+
+  build.activation.sshd = ''
+    $DRY_RUN_CMD mkdir $VERBOSE_ARG --parents "${config.user.home}/.ssh"
+    $DRY_RUN_CMD cat ${pathToPubKey} > "${config.user.home}/.ssh/authorized_keys"
+
+    if [[ ! -d "${sshdDirectory}" ]]; then
+      $DRY_RUN_CMD rm $VERBOSE_ARG --recursive --force "${sshdTmpDirectory}"
+      $DRY_RUN_CMD mkdir $VERBOSE_ARG --parents "${sshdTmpDirectory}"
+
+      $VERBOSE_ECHO "Generating host keys..."
+      $DRY_RUN_CMD ${pkgs.openssh}/bin/ssh-keygen -t rsa -b 4096 -f "${sshdTmpDirectory}/ssh_host_rsa_key" -N ""
+
+      $VERBOSE_ECHO "Writing sshd_config..."
+      $DRY_RUN_CMD echo -e "HostKey ${sshdDirectory}/ssh_host_rsa_key\nPort ${toString port}\n" > "${sshdTmpDirectory}/sshd_config"
+
+      $DRY_RUN_CMD mv $VERBOSE_ARG "${sshdTmpDirectory}" "${sshdDirectory}"
+    fi
+  '';
+
+  environment.packages = [
+    pkgs.vim
+    pkgs.bottom
+    pkgs.helix
+    pkgs.stress
+    pkgs.openssh
+    pkgs.git
+    (pkgs.writeScriptBin "sshd-start" ''
+      #!${pkgs.runtimeShell}
+
+      echo "Starting sshd in non-daemonized way on port ${toString port}"
+      ${pkgs.openssh}/bin/sshd -f "${sshdDirectory}/sshd_config" -D
+    '')
+  ];
+}

hosts/module.nix

@@ -48,6 +48,42 @@ in {
         };
       }));
     };
+    nixOnDroidHosts = lib.mkOption {
+      type = lib.types.attrsOf (lib.types.submodule ({name, ...}: {
+        options = {
+          name = lib.mkOption {
+            description = "Host name";
+            type = lib.types.strMatching "^$|^[[:alnum:]]([[:alnum:]_-]{0,61}[[:alnum:]])?$";
+            default = name;
+          };
+          system = lib.mkOption {
+            description = "NixOS architecture (a.k.a. system)";
+            type = lib.types.str;
+            default = "aarch64-linux";
+          };
+          nixpkgs = lib.mkOption {
+            description = "Used nixpkgs";
+            type = lib.types.anything;
+            default = inputs.nixpkgsUnstable;
+          };
+          extraModules = lib.mkOption {
+            description = "Extra NixOS modules";
+            type = lib.types.listOf lib.types.deferredModule;
+            default = [];
+          };
+          overlays = lib.mkOption {
+            description = "Enabled Nixpkgs overlays";
+            type = lib.types.listOf (lib.mkOptionType {
+              name = "nixpkgs-overlay";
+              description = "nixpkgs overlay";
+              check = lib.isFunction;
+              merge = lib.mergeOneOption;
+            });
+            default = [];
+          };
+        };
+      }));
+    };
     hosts = lib.mkOption {
       description = "Host configuration";
       type = lib.types.attrsOf (lib.types.submodule ({name, ...}: {
@@ -243,5 +279,41 @@ in {
           ];
         };
     };
+
+    _mkNixOnDroidConfiguration = lib.mkOption {
+      description = "Function returning a proper nix-on-droid configuration";
+      type = lib.types.functionTo (lib.types.functionTo lib.types.attrs); # TODO improve this type
+      internal = true;
+      default = hostname: config:
+        inputs.nix-on-droid.lib.nixOnDroidConfiguration {
+          modules = [
+            ({
+              lib,
+              pkgs,
+              ...
+            }: {
+              nixpkgs.overlays = config.overlays;
+            })
+            "${self.outPath}/hosts/${hostname}"
+          ];
+        };
+    };
+  };
+
+  config = {
+    flake.nixosConfigurations =
+      lib.mapAttrs
+      config.fleet._mkNixosConfiguration
+      config.fleet.hosts;
+
+    flake.darwinConfigurations =
+      lib.mapAttrs
+      config.fleet._mkDarwinConfiguration
+      config.fleet.darwinHosts;
+
+    flake.nixOnDroidConfigurations =
+      lib.mapAttrs
+      config.fleet._mkNixOnDroidConfiguration
+      config.fleet.nixOnDroidHosts;
   };
 }