From b9645d464b32b5da2c3e1c8f3ac261a0dec4086f Mon Sep 17 00:00:00 2001 From: emily Date: Sun, 25 Aug 2024 18:46:59 +0200 Subject: [PATCH] Initial commit uwu --- LICENSE | 661 +++++++++++++++++++++++++++++++++++++++++++++++++++++ README.md | 17 ++ flake.lock | 268 ++++++++++++++++++++++ flake.nix | 34 +++ module.nix | 274 ++++++++++++++++++++++ 5 files changed, 1254 insertions(+) create mode 100644 LICENSE create mode 100644 README.md create mode 100644 flake.lock create mode 100644 flake.nix create mode 100644 module.nix diff --git a/LICENSE b/LICENSE new file mode 100644 index 0000000..be3f7b2 --- /dev/null +++ b/LICENSE @@ -0,0 +1,661 @@ + GNU AFFERO GENERAL PUBLIC LICENSE + Version 3, 19 November 2007 + + Copyright (C) 2007 Free Software Foundation, Inc. + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The GNU Affero General Public License is a free, copyleft license for +software and other kinds of works, specifically designed to ensure +cooperation with the community in the case of network server software. + + The licenses for most software and other practical works are designed +to take away your freedom to share and change the works. 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+ Versia Logo +

+ +# Versia NixOS module + +> This is still WIP. + +## Usage + +Add the following to your flake inputs: +```nix +versia-module = { + url = "github:lysand-org/nixos-module"; + inputs.nixpkgs.follows = "nixpkgs"; +}; +``` diff --git a/flake.lock b/flake.lock new file mode 100644 index 0000000..78dc17b --- /dev/null +++ b/flake.lock @@ -0,0 +1,268 @@ +{ + "nodes": { + "activitypub": { + "inputs": { + "flake-compat": "flake-compat", + "flake-parts": "flake-parts", + "naersk": "naersk", + "nixpkgs": [ + "nixpkgs" + ], + "systems": "systems", + "treefmt-nix": "treefmt-nix" + }, + "locked": { + "lastModified": 1722691834, + "narHash": "sha256-eNpp21m+HzlO0G/tAY2YDYea94EQy8He6ncXB0H+dLE=", + "owner": "lysand-org", + "repo": "activitypub", + "rev": "faa9ca427015afdcd1ca08268c9dcecb322b86b5", + "type": "github" + }, + "original": { + "owner": "lysand-org", + "repo": "activitypub", + "type": "github" + } + }, + "flake-compat": { + "locked": { + "lastModified": 1696426674, + "narHash": "sha256-kvjfFW7WAETZlt09AgDn1MrtKzP7t90Vf7vypd3OL1U=", + "rev": "0f9255e01c2351cc7d116c072cb317785dd33b33", + "revCount": 57, + "type": "tarball", + "url": "https://api.flakehub.com/f/pinned/edolstra/flake-compat/1.0.1/018afb31-abd1-7bff-a5e4-cff7e18efb7a/source.tar.gz" + }, + "original": { + "type": "tarball", + "url": "https://flakehub.com/f/edolstra/flake-compat/1.tar.gz" + } + }, + "flake-compat_2": { + "locked": { + "lastModified": 1696426674, + "narHash": "sha256-kvjfFW7WAETZlt09AgDn1MrtKzP7t90Vf7vypd3OL1U=", + "rev": "0f9255e01c2351cc7d116c072cb317785dd33b33", + "revCount": 57, + "type": "tarball", + "url": "https://api.flakehub.com/f/pinned/edolstra/flake-compat/1.0.1/018afb31-abd1-7bff-a5e4-cff7e18efb7a/source.tar.gz" + }, + "original": { + "type": "tarball", + "url": "https://flakehub.com/f/edolstra/flake-compat/1.tar.gz" + } + }, + "flake-parts": { + "inputs": { + "nixpkgs-lib": "nixpkgs-lib" + }, + "locked": { + "lastModified": 1719994518, + "narHash": "sha256-pQMhCCHyQGRzdfAkdJ4cIWiw+JNuWsTX7f0ZYSyz0VY=", + "owner": "hercules-ci", + "repo": "flake-parts", + "rev": "9227223f6d922fee3c7b190b2cc238a99527bbb7", + "type": "github" + }, + "original": { + "owner": "hercules-ci", + "repo": "flake-parts", + "type": "github" + } + }, + "flake-utils": { + "inputs": { + "systems": "systems_2" + }, + "locked": { + "lastModified": 1710146030, + "narHash": "sha256-SZ5L6eA7HJ/nmkzGG7/ISclqe6oZdOZTNoesiInkXPQ=", + "owner": "numtide", + "repo": "flake-utils", + "rev": "b1d9ab70662946ef0850d488da1c9019f3a9752a", + "type": "github" + }, + "original": { + "id": "flake-utils", + "type": "indirect" + } + }, + "flake-utils_2": { + "inputs": { + "systems": "systems_3" + }, + "locked": { + "lastModified": 1710146030, + "narHash": "sha256-SZ5L6eA7HJ/nmkzGG7/ISclqe6oZdOZTNoesiInkXPQ=", + "owner": "numtide", + "repo": "flake-utils", + "rev": "b1d9ab70662946ef0850d488da1c9019f3a9752a", + "type": "github" + }, + "original": { + "owner": "numtide", + "repo": "flake-utils", + "type": "github" + } + }, + "naersk": { + "inputs": { + "nixpkgs": "nixpkgs" + }, + "locked": { + "lastModified": 1721727458, + "narHash": "sha256-r/xppY958gmZ4oTfLiHN0ZGuQ+RSTijDblVgVLFi1mw=", + "owner": "nix-community", + "repo": "naersk", + "rev": "3fb418eaf352498f6b6c30592e3beb63df42ef11", + "type": "github" + }, + "original": { + "owner": "nix-community", + "repo": "naersk", + "type": "github" + } + }, + "nixpkgs": { + "locked": { + "lastModified": 1722040881, + "narHash": "sha256-NMDotPxtCNvmRnUo/YuxNOpN8+UMONBlNBnRFsGHADQ=", + "owner": "NixOS", + "repo": "nixpkgs", + "rev": "48bacf585a51d953def8bff32087970f273052e2", + "type": "github" + }, + "original": { + "id": "nixpkgs", + "type": "indirect" + } + }, + "nixpkgs-lib": { + "locked": { + "lastModified": 1719876945, + "narHash": "sha256-Fm2rDDs86sHy0/1jxTOKB1118Q0O3Uc7EC0iXvXKpbI=", + "type": "tarball", + "url": "https://github.com/NixOS/nixpkgs/archive/5daf0514482af3f97abaefc78a6606365c9108e2.tar.gz" + }, + "original": { + "type": "tarball", + "url": "https://github.com/NixOS/nixpkgs/archive/5daf0514482af3f97abaefc78a6606365c9108e2.tar.gz" + } + }, + "nixpkgs_2": { + "locked": { + "lastModified": 1724224976, + "narHash": "sha256-Z/ELQhrSd7bMzTO8r7NZgi9g5emh+aRKoCdaAv5fiO0=", + "owner": "nixos", + "repo": "nixpkgs", + "rev": "c374d94f1536013ca8e92341b540eba4c22f9c62", + "type": "github" + }, + "original": { + "owner": "nixos", + "ref": "nixos-unstable", + "repo": "nixpkgs", + "type": "github" + } + }, + "root": { + "inputs": { + "activitypub": "activitypub", + "flake-utils": "flake-utils", + "nixpkgs": "nixpkgs_2", + "versiajs": "versiajs" + } + }, + "systems": { + "locked": { + "lastModified": 1681028828, + "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=", + "owner": "nix-systems", + "repo": "default", + "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e", + "type": "github" + }, + "original": { + "owner": "nix-systems", + "repo": "default", + "type": "github" + } + }, + "systems_2": { + "locked": { + "lastModified": 1681028828, + "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=", + "owner": "nix-systems", + "repo": "default", + "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e", + "type": "github" + }, + "original": { + "owner": "nix-systems", + "repo": "default", + "type": "github" + } + }, + "systems_3": { + "locked": { + "lastModified": 1681028828, + "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=", + "owner": "nix-systems", + "repo": "default", + "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e", + "type": "github" + }, + "original": { + "owner": "nix-systems", + "repo": "default", + "type": "github" + } + }, + "treefmt-nix": { + "inputs": { + "nixpkgs": [ + "activitypub", + "nixpkgs" + ] + }, + "locked": { + "lastModified": 1721769617, + "narHash": "sha256-6Pqa0bi5nV74IZcENKYRToRNM5obo1EQ+3ihtunJ014=", + "owner": "numtide", + "repo": "treefmt-nix", + "rev": "8db8970be1fb8be9c845af7ebec53b699fe7e009", + "type": "github" + }, + "original": { + "owner": "numtide", + "repo": "treefmt-nix", + "type": "github" + } + }, + "versiajs": { + "inputs": { + "flake-compat": "flake-compat_2", + "flake-utils": "flake-utils_2", + "nixpkgs": [ + "nixpkgs" + ] + }, + "locked": { + "lastModified": 1724601475, + "narHash": "sha256-MOy7BavfqVeexBSUhUKA0Nxv/qBlCaSdunQd3qrTDnw=", + "owner": "lysand-org", + "repo": "server", + "rev": "a7e8b2d40532a19b41b83b993bd13c4570c32cf7", + "type": "github" + }, + "original": { + "owner": "lysand-org", + "repo": "server", + "type": "github" + } + } + }, + "root": "root", + "version": 7 +} diff --git a/flake.nix b/flake.nix new file mode 100644 index 0000000..489d13b --- /dev/null +++ b/flake.nix @@ -0,0 +1,34 @@ +{ + description = "A very basic flake"; + + inputs = { + nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable"; + activitypub = { + url = "github:lysand-org/activitypub"; + inputs.nixpkgs.follows = "nixpkgs"; + }; + versiajs = { + url = "github:lysand-org/server"; + inputs.nixpkgs.follows = "nixpkgs"; + }; + }; + + nixConfig = { + extra-substituters = [ + "https://cache.kyouma.net" + ]; + extra-trusted-public-keys = [ + "cache.kyouma.net:Frjwu4q1rnwE/MnSTmX9yx86GNA/z3p/oElGvucLiZg=" + ]; + }; + + outputs = { self, nixpkgs, flake-utils, ... }@inputs: { + nixosModules.default = { + imports = [ ./module.nix ]; + nixpkgs.overlays = [ + inputs.activitypub.overlays.default + inputs.versiajs.overlays.default + ]; + }; + }; +} diff --git a/module.nix b/module.nix new file mode 100644 index 0000000..041ea06 --- /dev/null +++ b/module.nix @@ -0,0 +1,274 @@ +{ lib, pkgs, config, ... }: +with lib; +let + # Shorter name to access final settings a + # user of module HAS ACTUALLY SET. + # cfg is a typical convention. + cfg = config.services.lysand.ap; + + # unused when the entrypoint is flake + flake = import ../flake-compat.nix; + overlay = flake.defaultNix.overlays.default; + + hasLocalPostgresDB = + let + url = cfg.database.url or ""; + localStrings = [ "localhost" "127.0.0.1" "/run/postgresql" ]; + hasLocalStrings = lib.any (lib.flip lib.hasInfix url) localStrings; + in + config.services.postgresql.enable && lib.hasPrefix "postgresql://" url && hasLocalStrings; + + # Settings necessary for running with an automatically managed local database + localDatabaseConfig = lib.mkIf cfg.database.createLocally { + assertions = [ + { + assertion = cfg.database.user == cfg.database.dbname; + message = '' + For local automatic database provisioning (services.lysand.ap.database.createLocally == true) + to work, the username used to connect to PostgreSQL must match the database name, that is + services.lysand.ap.database.user must match services.lysand.ap.database.dbname. + This is the default since NixOS 24.05. For older systems, it is normally safe to manually set + the user to "lysandap" as the new user will be created with permissions + for the existing database. `REASSIGN OWNED BY kemal TO lysandap;` may also be needed, it can be + run as `sudo -u postgres env psql --user=postgres --dbname=lysandap -c 'reassign OWNED BY kemal to lysandap;'`. + ''; + } + ]; + # Default to using the local database if we create it + services.lysand.ap.database.host = lib.mkDefault null; + + services.postgresql = { + enable = true; + ensureUsers = lib.singleton { name = cfg.database.user; ensureDBOwnership = true; }; + ensureDatabases = lib.singleton cfg.database.dbname; + }; + }; + dbconfone = lib.mkIf cfg.database.createLocally { + systemd.services.lysandap.environment = { + DATABASE_URL = "postgresql:///${cfg.database.user}@localhost/${cfg.database.dbname}"; + "PORT" = "${toString cfg.port}"; + "ADDRESS" = "${cfg.address}:${toString cfg.port}"; + "FEDERATED_DOMAIN" = cfg.domain; + "SERVICE_SCALE" = toString cfg.serviceScale; + "LOCAL_USER_NAME" = "example"; + }; + }; + dbconftwo = lib.mkIf (cfg.database.createLocally == false) { + systemd.services.lysandap.environment = { + DATABASE_URL = "postgresql://${cfg.database.user}:${cfg.database.passwordFile}@${cfg.database.host}:${toString cfg.database.port}/${cfg.database.dbname}"; + "PORT" = "${toString cfg.port}"; + "ADDRESS" = "${cfg.address}:${toString cfg.port}"; + "FEDERATED_DOMAIN" = cfg.domain; + "SERVICE_SCALE" = toString cfg.serviceScale; + "LOCAL_USER_NAME" = "example"; + }; + }; + nginxConfig = lib.mkIf cfg.nginx.enable { + services.nginx = + let + ip = if cfg.address == "0.0.0.0" then "127.0.0.1" else cfg.address; + in + { + enable = true; + virtualHosts.${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 +{ + # Declare what settings a user of this "hello.nix" module CAN SET. + options.services.lysand.ap = { + enable = mkEnableOption "Whenever to enable Lysands Activitypub layer"; + package = lib.mkOption { + description = '' + The package to use. + ''; + type = types.package; + default = pkgs.lysand-ap-layer; + }; + mig-package = lib.mkOption { + description = '' + The migration package to use. + ''; + type = types.package; + default = pkgs.ls-ap-migration; + }; + user = lib.mkOption { + description = '' + The group under which lysand AP layer runs. + ''; + type = types.str; + default = "lysandap"; + }; + group = lib.mkOption { + description = '' + The user under which lysand AP layer runs. + ''; + type = types.str; + default = "lysandap"; + }; + port = lib.mkOption { + type = types.port; + default = 3000; + description = '' + The port Lysand AP layer should listen on. + + To allow access from outside, + you can use either {option}`services.lysand.ap.nginx` + or add `config.services.lysand.ap.port` to {option}`networking.firewall.allowedTCPPorts`. + ''; + }; + address = lib.mkOption { + type = types.str; + default = if cfg.nginx.enable then "127.0.0.1" else "0.0.0.0"; + defaultText = lib.literalExpression ''if config.services.lysand.ap.nginx.enable then "127.0.0.1" else "0.0.0.0"''; + description = '' + The IP address Lysand AP layer should bind to. + ''; + }; + domain = lib.mkOption { + type = types.nullOr types.str; + default = null; + description = '' + The FQDN Lysand AP layer is reachable on. + + This is used to configure nginx and for federation. + ''; + }; + nginx.enable = lib.mkOption { + type = types.bool; + default = false; + description = '' + Whether to configure nginx as a reverse proxy for Lysand AP layer. + + It serves it under the domain specified in {option}`services.lysand.ap.domain` with enabled TLS and ACME. + Further configuration can be done through {option}`services.nginx.virtualHosts.''${config.services.lysand.ap.domain}.*`, + which can also be used to disable AMCE and TLS (will break federation). + ''; + }; + serviceScale = lib.mkOption { + type = types.int; + default = 1; + description = '' + How many lysand ap instances to run. + + See https://docs.invidious.io/improve-public-instance/#2-multiple-invidious-processes for more details + on how this is intended to work. All instances beyond the first one have the options `channel_threads` + and `feed_threads` set to 0 to avoid conflicts with multiple instances refreshing subscriptions. Instances + will be configured to bind to consecutive ports starting with {option}`services.invidious.port` for the + first instance. + ''; + }; + database = { + createLocally = lib.mkOption { + type = types.bool; + default = true; + description = '' + Whether to create a local database with PostgreSQL. + ''; + }; + + host = lib.mkOption { + type = types.nullOr types.str; + default = null; + description = '' + The database host Lysand AP layer should use. + + If `null`, the local unix socket is used. Otherwise + TCP is used. + ''; + }; + + port = lib.mkOption { + type = types.port; + default = config.services.postgresql.settings.port; + defaultText = lib.literalExpression "config.services.postgresql.settings.port"; + description = '' + The port of the database Lysand AP layer should use. + + Defaults to the the default postgresql port. + ''; + }; + + passwordFile = lib.mkOption { + type = types.nullOr types.str; + apply = lib.mapNullable toString; + default = null; + description = '' + Path to file containing the database password. + ''; + }; + + user = lib.mkOption { + type = types.str; + default = "lysandap"; + description = '' + The database user Lysand AP layer should use. + ''; + }; + + dbname = lib.mkOption { + type = types.str; + default = "lysandap"; + description = '' + The database name Lysand AP layer should use. + ''; + }; + }; + }; + + # Define what other settings, services and resources should be active IF + # a user of this "hello.nix" module ENABLED this module + # by setting "services.hello.enable = true;". + config = mkIf cfg.enable (lib.mkMerge [ + localDatabaseConfig + nginxConfig + dbconfone + dbconftwo + { + systemd.services.lysandap = { + wantedBy = [ "multi-user.target" ]; + #wants = [ "network-online.target" ]; + #after = [ "network-online.target" ] ++ lib.optional cfg.database.createLocally "postgresql.service"; + #requires = lib.optional cfg.database.createLocally "postgresql.service"; + script = "${cfg.package}/bin/lysandap"; + preStart = "${cfg.mig-package}/bin/ls-ap-migration up"; + environment = lib.mkDefault { + "PORT" = "${toString cfg.port}"; + "ADDRESS" = "${cfg.address}:${toString cfg.port}"; + "FEDERATED_DOMAIN" = cfg.domain; + "SERVICE_SCALE" = toString cfg.serviceScale; + "LOCAL_USER_NAME" = "example"; + }; + serviceConfig = { + DynamicUser = true; + User = lib.mkIf (cfg.database.createLocally || cfg.serviceScale > 1) "lysandap"; + StateDirectory = "lysandap"; + StateDirectoryMode = "0750"; + WorkingDirectory = cfg.package; + Restart = lib.mkDefault "always"; + }; + }; + } + ]); +}