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feat: nix module

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This commit is contained in:
aprilthepink 2024-05-03 02:06:40 +02:00
parent 0a8d3439d4
commit 22547e64ce
Signed by: aprl
GPG key ID: BCB934A2909C5460
2 changed files with 55 additions and 3 deletions
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12
flake.nix
View file

@ -13,9 +13,17 @@
treefmt-nix.inputs.nixpkgs.follows = "nixpkgs"; treefmt-nix.inputs.nixpkgs.follows = "nixpkgs";
}; };
outputs = inputs@{ flake-parts, ... }: outputs = inputs@{ flake-parts, self, ... }:
inputs.flake-parts.lib.mkFlake { inherit inputs; } { inputs.flake-parts.lib.mkFlake { inherit inputs self; } {
systems = import inputs.systems; systems = import inputs.systems;
flake = {
nixosModules = {
default = {
imports = [ ./module.nix ];
nixpkgs.overlays = [ self.overlays.default ];
};
};
};
imports = [ imports = [
inputs.treefmt-nix.flakeModule inputs.treefmt-nix.flakeModule
inputs.flake-parts.flakeModules.easyOverlay inputs.flake-parts.flakeModules.easyOverlay

46
module.nix
View file

@ -4,7 +4,7 @@ let
# Shorter name to access final settings a # Shorter name to access final settings a
# user of module HAS ACTUALLY SET. # user of module HAS ACTUALLY SET.
# cfg is a typical convention. # cfg is a typical convention.
cfg = config.services.lysand; cfg = config.services.lysand.ap;
# unused when the entrypoint is flake # unused when the entrypoint is flake
flake = import ../flake-compat.nix; flake = import ../flake-compat.nix;
@ -43,6 +43,36 @@ let
ensureDatabases = lib.singleton cfg.settings.db.dbname; ensureDatabases = lib.singleton cfg.settings.db.dbname;
}; };
}; };
nginxConfig = lib.mkIf cfg.nginx.enable {
services.nginx = let
ip = if cfg.address == "0.0.0.0" then "127.0.0.1" else cfg.address;
in
{
enable = true;
virtualHosts.${cfg.domain} = {
locations."/".proxyPass =
if cfg.serviceScale == 1 then
"http://${ip}:${toString cfg.port}"
else "http://upstream-invidious";
enableACME = lib.mkDefault true;
forceSSL = lib.mkDefault true;
};
upstreams = lib.mkIf (cfg.serviceScale > 1) {
"upstream-invidious".servers = builtins.listToAttrs (builtins.genList
(scaleIndex: {
name = "${ip}:${toString (cfg.port + scaleIndex)}";
value = { };
})
cfg.serviceScale);
};
};
assertions = [{
assertion = cfg.domain != null;
message = "To use services.lysand.ap.nginx, you need to set services.lysand.ap.domain";
}];
};
in in
{ {
# Declare what settings a user of this "hello.nix" module CAN SET. # Declare what settings a user of this "hello.nix" module CAN SET.
@ -198,7 +228,21 @@ in
wants = [ "network-online.target" ]; wants = [ "network-online.target" ];
after = [ "network-online.target" ] ++ lib.optional cfg.database.createLocally "postgresql.service"; after = [ "network-online.target" ] ++ lib.optional cfg.database.createLocally "postgresql.service";
requires = lib.optional cfg.database.createLocally "postgresql.service"; requires = lib.optional cfg.database.createLocally "postgresql.service";
description = "Lysand AP layer";
serviceConfig = { serviceConfig = {
ExecStart = "${cfg.package}/bin/lysandap";
ExecStartPre = "${cfg.mig-package}/bin/ls-ap-migration up";
Environment = {
"PORT" = "${toString cfg.port}";
"ADDRESS" = "${cfg.address}:${toString cfg.port}";
"DATABASE_URL" = lib.mkIf hasLocalPostgresDB
"postgresql:///${cfg.database.user}@localhost/${cfg.database.dbname}"
"postgresql://${cfg.database.user}:${cfg.database.passwordFile}@${cfg.database.host}:${toString cfg.database.port}/${cfg.database.dbname}";
"FEDERATED_DOMAIN" = cfg.domain;
"SERVICE_SCALE" = toString cfg.serviceScale;
"LOCAL_USER_NAME" = "example";
};
RestartSec = "2s"; RestartSec = "2s";
DynamicUser = true; DynamicUser = true;
User = lib.mkIf (cfg.database.createLocally || cfg.serviceScale > 1) "lysandap"; User = lib.mkIf (cfg.database.createLocally || cfg.serviceScale > 1) "lysandap";