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|
{
self,
agenix,
nixpkgs,
nixpkgs-unstable,
deploy-rs,
home-manager,
darwin,
...
}@inputs:
rec {
generateSystem =
name:
{
hostname ? name,
username ? "emile",
system ? "x86_64-linux",
deployUser ? "root",
homeManagerEnable ? false,
group ? null,
modules ? [ ],
unstable ? false,
...
}:
let
localNixpkgs =
if unstable == true then
nixpkgs-unstable
else
# inputs.nixpkgs-${name}, if that doesn't exist, just use nixpkgs
nixpkgs.lib.attrByPath [ "nixpkgs-${name}" ] # path
nixpkgs # default
inputs; # base
# determine if our system type that is used further down
systemType =
if system == "x86_64-linux" then
localNixpkgs.lib.nixosSystem
else if system == "aarch64-darwin" then
darwin.lib.darwinSystem
else
null;
in
systemType {
# this may fail if we aren't using x86_64-linux or aarch64-darwin
inherit system;
# allow the usage of the inputs within the systemd
# for example:
# { pkgs, ... } @ args: { imports = ["${args.inputs.nixpkgs-unstable}/path/to/module.nix"] }
specialArgs = {
inherit inputs;
};
# ; nix repl
# nix-repl> :lf .
# nix-repl> nixosConfigurations.corrino._module.args.modules
modules =
modules
++ [
(
if system == "x86_64-linux" then
self.nixosModules.x86_64-linux
else if system == "aarch64-darwin" then
({ })
else
null
)
# a module so that we can access the flake output from inside the
# flake (yes, I need this for fetching the system type while building the hosts for deploy-rs)
{
config._module.args = {
flake = self;
};
}
# overlays
(
{ ... }:
{
nixpkgs.overlays = [
self.overlays.emile
(
if system == "x86_64-linux" then
self.overlays.x86_64-linux
else if system == "aarch64-darwin" then
self.overlays.aarch64-darwin
else
null
)
(_: _: { inherit (agenix.packages."x86_64-linux") agenix; })
(_: _: {
unstable = import nixpkgs-unstable {
# system = "x86_64-linux";
inherit system;
config.allowUnfree = true;
};
})
];
}
)
# general modules
agenix.nixosModules.default
# # the host config itself
(
../hosts
+ (
if (system == "x86_64-linux") then
"/${name}/configuration.nix"
else if (system == "aarch64-darwin") then
"/${name}/darwin-configuration.nix"
else
""
)
)
# secrets (have to be added to git (crypted) #lessonslearned)
(
{
lib ? (import <nixpkgs/lib>),
...
}:
let
secretsPath = (../hosts + "/${name}/secrets");
in
{
age.secrets =
lib.mapAttrs'
(
filename: _:
lib.nameValuePair (lib.removeSuffix ".age" filename) { file = secretsPath + "/${filename}"; }
)
(
lib.filterAttrs (name: type: (type == "regular") && (lib.hasSuffix ".age" name)) (
if builtins.pathExists secretsPath then builtins.readDir secretsPath else { }
)
);
}
)
]
++ (if (system == "aarch64-darwin") then [ (home-manager.darwinModules.home-manager) ] else [ ])
++ (
if (homeManagerEnable == true) then
[
{
home-manager = {
useGlobalPkgs = true;
users."${username}" = import (../hosts + "/${hostname}/home_${username}.nix");
};
}
]
else
[ ]
);
};
mapToNixosConfigurations =
{
system ? "x86_64-linux",
...
}@hosts:
builtins.mapAttrs (name: host: generateSystem name host) (
nixpkgs.lib.filterAttrs (n: v: v.system or "" == "x86_64-linux") hosts
);
mapToDarwinConfigurations =
hosts:
builtins.mapAttrs (name: host: generateSystem name host) (
nixpkgs.lib.filterAttrs (n: v: v.system or "" == "aarch64-darwin") hosts
);
generateDeployRsHost =
name:
{
hostname ? name,
ip ? "${name}.pinto-pike.ts.net",
sshUser ? "root",
system ? "x86_64-linux",
...
}:
{
remoteBuild = true;
hostname = "${ip}";
# fastConnection = true;
profiles.system = {
user = "root"; # user to install as
sshUser = sshUser; # user to ssh to as
# make sure people can use sudo
# sshOpts = ["-A", "-t", "-S"];
sshOpts = [ "-o" "ProxyCommand=none" ];
# make sure to add the nix foo on the darwin hosts to ~/.zshenv
# as the ~/.zshrc doesn't get sourced when ssh-ing into the system
path = (
if system == "x86_64-linux" then
deploy-rs.lib.x86_64-linux.activate.nixos self.nixosConfigurations."${name}"
else if system == "aarch64-darwin" then
deploy-rs.lib.aarch64-darwin.activate.darwin self.darwinConfigurations."${name}"
else
""
);
# Timeout for profile activation.
# This defaults to 240 seconds.
activationTimeout = 600;
# Timeout for profile activation confirmation.
# This defaults to 30 seconds.
confirmTimeout = 120;
};
};
mapToDeployRsConfiguration =
hosts: builtins.mapAttrs (name: host: generateDeployRsHost name host) hosts;
buildHosts =
hosts:
builtins.mapAttrs (name: host: host.config.system.build.toplevel)
# don't build hosts that start with an underscore
(nixpkgs.lib.filterAttrs (name: host: (builtins.substring 0 1 name) != "_") hosts);
}
|