465 lines
16 KiB
Nix
465 lines
16 KiB
Nix
{ lib, pkgs, config, options, ... }:
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let
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cfg = config.services.peertube;
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opt = options.services.peertube;
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settingsFormat = pkgs.formats.json {};
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configFile = settingsFormat.generate "production.json" cfg.settings;
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env = {
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NODE_CONFIG_DIR = "/var/lib/peertube/config";
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NODE_ENV = "production";
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NODE_EXTRA_CA_CERTS = "/etc/ssl/certs/ca-certificates.crt";
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NPM_CONFIG_PREFIX = cfg.package;
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HOME = cfg.package;
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};
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systemCallsList = [ "@cpu-emulation" "@debug" "@keyring" "@ipc" "@memlock" "@mount" "@obsolete" "@privileged" "@setuid" ];
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cfgService = {
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# Proc filesystem
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ProcSubset = "pid";
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ProtectProc = "invisible";
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# Access write directories
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UMask = "0027";
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# Capabilities
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CapabilityBoundingSet = "";
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# Security
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NoNewPrivileges = true;
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# Sandboxing
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ProtectSystem = "strict";
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ProtectHome = true;
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PrivateTmp = true;
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PrivateDevices = true;
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PrivateUsers = true;
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ProtectClock = true;
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ProtectHostname = true;
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ProtectKernelLogs = true;
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ProtectKernelModules = true;
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ProtectKernelTunables = true;
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ProtectControlGroups = true;
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RestrictNamespaces = true;
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LockPersonality = true;
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RestrictRealtime = true;
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RestrictSUIDSGID = true;
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RemoveIPC = true;
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PrivateMounts = true;
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# System Call Filtering
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SystemCallArchitectures = "native";
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};
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envFile = pkgs.writeText "peertube.env" (lib.concatMapStrings (s: s + "\n") (
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(lib.concatLists (lib.mapAttrsToList (name: value:
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if value != null then [
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"${name}=\"${toString value}\""
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] else []
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) env))));
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peertubeEnv = pkgs.writeShellScriptBin "peertube-env" ''
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set -a
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source "${envFile}"
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eval -- "\$@"
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'';
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peertubeCli = pkgs.writeShellScriptBin "peertube" ''
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node ~/dist/server/tools/peertube.js $@
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'';
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in {
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options.services.peertube = {
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enable = lib.mkEnableOption "Enable Peertube’s service";
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user = lib.mkOption {
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type = lib.types.str;
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default = "peertube";
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description = "User account under which Peertube runs.";
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};
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group = lib.mkOption {
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type = lib.types.str;
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default = "peertube";
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description = "Group under which Peertube runs.";
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};
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localDomain = lib.mkOption {
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type = lib.types.str;
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example = "peertube.example.com";
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description = "The domain serving your PeerTube instance.";
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};
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listenHttp = lib.mkOption {
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type = lib.types.int;
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default = 9000;
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description = "listen port for HTTP server.";
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};
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listenWeb = lib.mkOption {
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type = lib.types.int;
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default = 9000;
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description = "listen port for WEB server.";
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};
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enableWebHttps = lib.mkOption {
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type = lib.types.bool;
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default = false;
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description = "Enable or disable HTTPS protocol.";
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};
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dataDirs = lib.mkOption {
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type = lib.types.listOf lib.types.path;
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default = [ ];
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example = [ "/opt/peertube/storage" "/var/cache/peertube" ];
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description = "Allow access to custom data locations.";
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};
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serviceEnvironmentFile = lib.mkOption {
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type = lib.types.nullOr lib.types.path;
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default = null;
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example = "/run/keys/peertube/password-init-root";
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description = ''
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Set environment variables for the service. Mainly useful for setting the initial root password.
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For example write to file:
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PT_INITIAL_ROOT_PASSWORD=changeme
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'';
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};
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settings = lib.mkOption {
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type = settingsFormat.type;
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example = lib.literalExpression ''
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{
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listen = {
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hostname = "0.0.0.0";
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};
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log = {
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level = "debug";
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};
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storage = {
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tmp = "/opt/data/peertube/storage/tmp/";
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logs = "/opt/data/peertube/storage/logs/";
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cache = "/opt/data/peertube/storage/cache/";
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};
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}
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'';
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description = "Configuration for peertube.";
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};
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database = {
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createLocally = lib.mkOption {
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type = lib.types.bool;
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default = false;
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description = "Configure local PostgreSQL database server for PeerTube.";
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};
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host = lib.mkOption {
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type = lib.types.str;
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default = if cfg.database.createLocally then "/run/postgresql" else null;
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defaultText = lib.literalExpression ''
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if config.${opt.database.createLocally}
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then "/run/postgresql"
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else null
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'';
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example = "192.168.15.47";
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description = "Database host address or unix socket.";
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};
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port = lib.mkOption {
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type = lib.types.int;
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default = 5432;
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description = "Database host port.";
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};
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name = lib.mkOption {
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type = lib.types.str;
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default = "peertube";
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description = "Database name.";
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};
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user = lib.mkOption {
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type = lib.types.str;
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default = "peertube";
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description = "Database user.";
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};
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passwordFile = lib.mkOption {
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type = lib.types.nullOr lib.types.path;
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default = null;
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example = "/run/keys/peertube/password-posgressql-db";
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description = "Password for PostgreSQL database.";
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};
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};
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redis = {
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createLocally = lib.mkOption {
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type = lib.types.bool;
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default = false;
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description = "Configure local Redis server for PeerTube.";
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};
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host = lib.mkOption {
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type = lib.types.nullOr lib.types.str;
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default = if cfg.redis.createLocally && !cfg.redis.enableUnixSocket then "127.0.0.1" else null;
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defaultText = lib.literalExpression ''
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if config.${opt.redis.createLocally} && !config.${opt.redis.enableUnixSocket}
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then "127.0.0.1"
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else null
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'';
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description = "Redis host.";
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};
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port = lib.mkOption {
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type = lib.types.nullOr lib.types.port;
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default = if cfg.redis.createLocally && cfg.redis.enableUnixSocket then null else 6379;
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defaultText = lib.literalExpression ''
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if config.${opt.redis.createLocally} && config.${opt.redis.enableUnixSocket}
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then null
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else 6379
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'';
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description = "Redis port.";
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};
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passwordFile = lib.mkOption {
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type = lib.types.nullOr lib.types.path;
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default = null;
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example = "/run/keys/peertube/password-redis-db";
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description = "Password for redis database.";
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};
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enableUnixSocket = lib.mkOption {
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type = lib.types.bool;
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default = cfg.redis.createLocally;
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defaultText = lib.literalExpression "config.${opt.redis.createLocally}";
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description = "Use Unix socket.";
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};
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};
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smtp = {
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createLocally = lib.mkOption {
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type = lib.types.bool;
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default = false;
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description = "Configure local Postfix SMTP server for PeerTube.";
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};
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passwordFile = lib.mkOption {
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type = lib.types.nullOr lib.types.path;
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default = null;
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example = "/run/keys/peertube/password-smtp";
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description = "Password for smtp server.";
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};
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};
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package = lib.mkOption {
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type = lib.types.package;
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default = pkgs.peertube;
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defaultText = lib.literalExpression "pkgs.peertube";
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description = "Peertube package to use.";
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};
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};
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config = lib.mkIf cfg.enable {
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assertions = [
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{ assertion = cfg.serviceEnvironmentFile == null || !lib.hasPrefix builtins.storeDir cfg.serviceEnvironmentFile;
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message = ''
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<option>services.peertube.serviceEnvironmentFile</option> points to
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a file in the Nix store. You should use a quoted absolute path to
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prevent this.
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'';
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}
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{ assertion = !(cfg.redis.enableUnixSocket && (cfg.redis.host != null || cfg.redis.port != null));
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message = ''
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<option>services.peertube.redis.createLocally</option> and redis network connection (<option>services.peertube.redis.host</option> or <option>services.peertube.redis.port</option>) enabled. Disable either of them.
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'';
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}
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{ assertion = cfg.redis.enableUnixSocket || (cfg.redis.host != null && cfg.redis.port != null);
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message = ''
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<option>services.peertube.redis.host</option> and <option>services.peertube.redis.port</option> needs to be set if <option>services.peertube.redis.enableUnixSocket</option> is not enabled.
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'';
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}
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{ assertion = cfg.redis.passwordFile == null || !lib.hasPrefix builtins.storeDir cfg.redis.passwordFile;
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message = ''
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<option>services.peertube.redis.passwordFile</option> points to
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a file in the Nix store. You should use a quoted absolute path to
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prevent this.
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'';
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}
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{ assertion = cfg.database.passwordFile == null || !lib.hasPrefix builtins.storeDir cfg.database.passwordFile;
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message = ''
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<option>services.peertube.database.passwordFile</option> points to
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a file in the Nix store. You should use a quoted absolute path to
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prevent this.
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'';
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}
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{ assertion = cfg.smtp.passwordFile == null || !lib.hasPrefix builtins.storeDir cfg.smtp.passwordFile;
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message = ''
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<option>services.peertube.smtp.passwordFile</option> points to
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a file in the Nix store. You should use a quoted absolute path to
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prevent this.
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'';
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}
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];
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services.peertube.settings = lib.mkMerge [
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{
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listen = {
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port = cfg.listenHttp;
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};
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webserver = {
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https = (if cfg.enableWebHttps then true else false);
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hostname = "${cfg.localDomain}";
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port = cfg.listenWeb;
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};
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database = {
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hostname = "${cfg.database.host}";
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port = cfg.database.port;
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name = "${cfg.database.name}";
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username = "${cfg.database.user}";
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};
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redis = {
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hostname = "${toString cfg.redis.host}";
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port = (if cfg.redis.port == null then "" else cfg.redis.port);
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};
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storage = {
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tmp = lib.mkDefault "/var/lib/peertube/storage/tmp/";
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avatars = lib.mkDefault "/var/lib/peertube/storage/avatars/";
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videos = lib.mkDefault "/var/lib/peertube/storage/videos/";
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streaming_playlists = lib.mkDefault "/var/lib/peertube/storage/streaming-playlists/";
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redundancy = lib.mkDefault "/var/lib/peertube/storage/redundancy/";
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logs = lib.mkDefault "/var/lib/peertube/storage/logs/";
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previews = lib.mkDefault "/var/lib/peertube/storage/previews/";
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thumbnails = lib.mkDefault "/var/lib/peertube/storage/thumbnails/";
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torrents = lib.mkDefault "/var/lib/peertube/storage/torrents/";
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captions = lib.mkDefault "/var/lib/peertube/storage/captions/";
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cache = lib.mkDefault "/var/lib/peertube/storage/cache/";
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plugins = lib.mkDefault "/var/lib/peertube/storage/plugins/";
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client_overrides = lib.mkDefault "/var/lib/peertube/storage/client-overrides/";
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};
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}
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(lib.mkIf cfg.redis.enableUnixSocket { redis = { socket = "/run/redis/redis.sock"; }; })
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];
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systemd.tmpfiles.rules = [
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"d '/var/lib/peertube/config' 0700 ${cfg.user} ${cfg.group} - -"
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"z '/var/lib/peertube/config' 0700 ${cfg.user} ${cfg.group} - -"
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];
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systemd.services.peertube-init-db = lib.mkIf cfg.database.createLocally {
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description = "Initialization database for PeerTube daemon";
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after = [ "network.target" "postgresql.service" ];
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wantedBy = [ "multi-user.target" ];
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script = let
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psqlSetupCommands = pkgs.writeText "peertube-init.sql" ''
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SELECT 'CREATE USER "${cfg.database.user}"' WHERE NOT EXISTS (SELECT FROM pg_roles WHERE rolname = '${cfg.database.user}')\gexec
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SELECT 'CREATE DATABASE "${cfg.database.name}" OWNER "${cfg.database.user}" TEMPLATE template0 ENCODING UTF8' WHERE NOT EXISTS (SELECT FROM pg_database WHERE datname = '${cfg.database.name}')\gexec
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\c '${cfg.database.name}'
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CREATE EXTENSION IF NOT EXISTS pg_trgm;
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CREATE EXTENSION IF NOT EXISTS unaccent;
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'';
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in "${config.services.postgresql.package}/bin/psql -f ${psqlSetupCommands}";
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serviceConfig = {
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Type = "oneshot";
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WorkingDirectory = cfg.package;
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# User and group
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User = "postgres";
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Group = "postgres";
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# Sandboxing
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RestrictAddressFamilies = [ "AF_UNIX" ];
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MemoryDenyWriteExecute = true;
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# System Call Filtering
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SystemCallFilter = "~" + lib.concatStringsSep " " (systemCallsList ++ [ "@resources" ]);
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} // cfgService;
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};
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systemd.services.peertube = {
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description = "PeerTube daemon";
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after = [ "network.target" ]
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++ lib.optionals cfg.redis.createLocally [ "redis.service" ]
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++ lib.optionals cfg.database.createLocally [ "postgresql.service" "peertube-init-db.service" ];
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wantedBy = [ "multi-user.target" ];
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environment = env;
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path = with pkgs; [ bashInteractive ffmpeg nodejs-16_x openssl yarn youtube-dl ];
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script = ''
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#!/bin/sh
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umask 077
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cat > /var/lib/peertube/config/local.yaml <<EOF
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${lib.optionalString ((!cfg.database.createLocally) && (cfg.database.passwordFile != null)) ''
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database:
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password: '$(cat ${cfg.database.passwordFile})'
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''}
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${lib.optionalString (cfg.redis.passwordFile != null) ''
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redis:
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auth: '$(cat ${cfg.redis.passwordFile})'
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''}
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${lib.optionalString (cfg.smtp.passwordFile != null) ''
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smtp:
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password: '$(cat ${cfg.smtp.passwordFile})'
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''}
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EOF
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ln -sf ${cfg.package}/config/default.yaml /var/lib/peertube/config/default.yaml
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ln -sf ${configFile} /var/lib/peertube/config/production.json
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npm start
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'';
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serviceConfig = {
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Type = "simple";
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Restart = "always";
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RestartSec = 20;
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TimeoutSec = 60;
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WorkingDirectory = cfg.package;
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# User and group
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User = cfg.user;
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Group = cfg.group;
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# State directory and mode
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StateDirectory = "peertube";
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StateDirectoryMode = "0750";
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# Access write directories
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ReadWritePaths = cfg.dataDirs;
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# Environment
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EnvironmentFile = cfg.serviceEnvironmentFile;
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# Sandboxing
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RestrictAddressFamilies = [ "AF_UNIX" "AF_INET" "AF_INET6" "AF_NETLINK" ];
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MemoryDenyWriteExecute = false;
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# System Call Filtering
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SystemCallFilter = [ ("~" + lib.concatStringsSep " " systemCallsList) "pipe" "pipe2" ];
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} // cfgService;
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};
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services.postgresql = lib.mkIf cfg.database.createLocally {
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enable = true;
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};
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services.redis = lib.mkMerge [
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(lib.mkIf cfg.redis.createLocally {
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enable = true;
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})
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(lib.mkIf (cfg.redis.createLocally && cfg.redis.enableUnixSocket) {
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unixSocket = "/run/redis/redis.sock";
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unixSocketPerm = 770;
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})
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];
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services.postfix = lib.mkIf cfg.smtp.createLocally {
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enable = true;
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hostname = lib.mkDefault "${cfg.localDomain}";
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};
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users.users = lib.mkMerge [
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(lib.mkIf (cfg.user == "peertube") {
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peertube = {
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isSystemUser = true;
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group = cfg.group;
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home = cfg.package;
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};
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})
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(lib.attrsets.setAttrByPath [ cfg.user "packages" ] [ cfg.package peertubeEnv peertubeCli pkgs.ffmpeg pkgs.nodejs-16_x pkgs.yarn ])
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(lib.mkIf cfg.redis.enableUnixSocket {${config.services.peertube.user}.extraGroups = [ "redis" ];})
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];
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users.groups = lib.optionalAttrs (cfg.group == "peertube") {
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peertube = { };
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};
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};
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}
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