1088 lines
37 KiB
Nix
1088 lines
37 KiB
Nix
{ config, options, lib, pkgs, utils, ... }:
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let
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json = pkgs.formats.json {};
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cfg = config.services.discourse;
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opt = options.services.discourse;
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# Keep in sync with https://github.com/discourse/discourse_docker/blob/master/image/base/Dockerfile#L5
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upstreamPostgresqlVersion = lib.getVersion pkgs.postgresql_13;
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postgresqlPackage = if config.services.postgresql.enable then
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config.services.postgresql.package
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else
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pkgs.postgresql;
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postgresqlVersion = lib.getVersion postgresqlPackage;
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# We only want to create a database if we're actually going to connect to it.
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databaseActuallyCreateLocally = cfg.database.createLocally && cfg.database.host == null;
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tlsEnabled = (cfg.enableACME
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|| cfg.sslCertificate != null
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|| cfg.sslCertificateKey != null);
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in
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{
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options = {
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services.discourse = {
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enable = lib.mkEnableOption "Discourse, an open source discussion platform";
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package = lib.mkOption {
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type = lib.types.package;
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default = pkgs.discourse;
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apply = p: p.override {
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plugins = lib.unique (p.enabledPlugins ++ cfg.plugins);
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};
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defaultText = lib.literalExpression "pkgs.discourse";
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description = ''
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The discourse package to use.
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'';
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};
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hostname = lib.mkOption {
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type = lib.types.str;
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default = if config.networking.domain != null then
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config.networking.fqdn
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else
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config.networking.hostName;
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defaultText = lib.literalExpression "config.networking.fqdn";
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example = "discourse.example.com";
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description = ''
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The hostname to serve Discourse on.
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'';
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};
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secretKeyBaseFile = lib.mkOption {
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type = with lib.types; nullOr path;
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default = null;
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example = "/run/keys/secret_key_base";
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description = ''
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The path to a file containing the
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<literal>secret_key_base</literal> secret.
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Discourse uses <literal>secret_key_base</literal> to encrypt
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the cookie store, which contains session data, and to digest
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user auth tokens.
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Needs to be a 64 byte long string of hexadecimal
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characters. You can generate one by running
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<screen>
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<prompt>$ </prompt>openssl rand -hex 64 >/path/to/secret_key_base_file
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</screen>
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This should be a string, not a nix path, since nix paths are
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copied into the world-readable nix store.
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'';
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};
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sslCertificate = lib.mkOption {
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type = with lib.types; nullOr path;
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default = null;
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example = "/run/keys/ssl.cert";
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description = ''
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The path to the server SSL certificate. Set this to enable
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SSL.
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'';
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};
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sslCertificateKey = lib.mkOption {
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type = with lib.types; nullOr path;
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default = null;
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example = "/run/keys/ssl.key";
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description = ''
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The path to the server SSL certificate key. Set this to
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enable SSL.
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'';
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};
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enableACME = lib.mkOption {
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type = lib.types.bool;
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default = cfg.sslCertificate == null && cfg.sslCertificateKey == null;
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defaultText = lib.literalDocBook ''
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<literal>true</literal>, unless <option>services.discourse.sslCertificate</option>
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and <option>services.discourse.sslCertificateKey</option> are set.
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'';
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description = ''
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Whether an ACME certificate should be used to secure
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connections to the server.
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'';
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};
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backendSettings = lib.mkOption {
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type = with lib.types; attrsOf (nullOr (oneOf [ str int bool float ]));
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default = {};
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example = lib.literalExpression ''
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{
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max_reqs_per_ip_per_minute = 300;
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max_reqs_per_ip_per_10_seconds = 60;
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max_asset_reqs_per_ip_per_10_seconds = 250;
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max_reqs_per_ip_mode = "warn+block";
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};
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'';
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description = ''
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Additional settings to put in the
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<filename>discourse.conf</filename> file.
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Look in the
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<link xlink:href="https://github.com/discourse/discourse/blob/master/config/discourse_defaults.conf">discourse_defaults.conf</link>
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file in the upstream distribution to find available options.
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Setting an option to <literal>null</literal> means
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<quote>define variable, but leave right-hand side
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empty</quote>.
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'';
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};
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siteSettings = lib.mkOption {
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type = json.type;
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default = {};
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example = lib.literalExpression ''
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{
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required = {
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title = "My Cats";
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site_description = "Discuss My Cats (and be nice plz)";
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};
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login = {
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enable_github_logins = true;
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github_client_id = "a2f6dfe838cb3206ce20";
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github_client_secret._secret = /run/keys/discourse_github_client_secret;
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};
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};
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'';
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description = ''
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Discourse site settings. These are the settings that can be
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changed from the UI. This only defines their default values:
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they can still be overridden from the UI.
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Available settings can be found by looking in the
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<link xlink:href="https://github.com/discourse/discourse/blob/master/config/site_settings.yml">site_settings.yml</link>
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file of the upstream distribution. To find a setting's path,
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you only need to care about the first two levels; i.e. its
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category and name. See the example.
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Settings containing secret data should be set to an
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attribute set containing the attribute
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<literal>_secret</literal> - a string pointing to a file
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containing the value the option should be set to. See the
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example to get a better picture of this: in the resulting
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<filename>config/nixos_site_settings.json</filename> file,
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the <literal>login.github_client_secret</literal> key will
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be set to the contents of the
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<filename>/run/keys/discourse_github_client_secret</filename>
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file.
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'';
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};
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admin = {
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skipCreate = lib.mkOption {
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type = lib.types.bool;
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default = false;
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description = ''
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Do not create the admin account, instead rely on other
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existing admin accounts.
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'';
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};
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email = lib.mkOption {
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type = lib.types.str;
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example = "admin@example.com";
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description = ''
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The admin user email address.
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'';
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};
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username = lib.mkOption {
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type = lib.types.str;
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example = "admin";
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description = ''
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The admin user username.
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'';
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};
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fullName = lib.mkOption {
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type = lib.types.str;
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description = ''
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The admin user's full name.
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'';
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};
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passwordFile = lib.mkOption {
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type = lib.types.path;
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description = ''
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A path to a file containing the admin user's password.
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This should be a string, not a nix path, since nix paths are
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copied into the world-readable nix store.
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'';
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};
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};
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nginx.enable = lib.mkOption {
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type = lib.types.bool;
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default = true;
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description = ''
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Whether an <literal>nginx</literal> virtual host should be
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set up to serve Discourse. Only disable if you're planning
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to use a different web server, which is not recommended.
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'';
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};
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database = {
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pool = lib.mkOption {
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type = lib.types.int;
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default = 8;
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description = ''
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Database connection pool size.
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'';
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};
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host = lib.mkOption {
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type = with lib.types; nullOr str;
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default = null;
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description = ''
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Discourse database hostname. <literal>null</literal> means <quote>prefer
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local unix socket connection</quote>.
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'';
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};
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passwordFile = lib.mkOption {
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type = with lib.types; nullOr path;
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default = null;
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description = ''
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File containing the Discourse database user password.
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This should be a string, not a nix path, since nix paths are
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copied into the world-readable nix store.
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'';
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};
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createLocally = lib.mkOption {
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type = lib.types.bool;
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default = true;
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description = ''
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Whether a database should be automatically created on the
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local host. Set this to <literal>false</literal> if you plan
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on provisioning a local database yourself. This has no effect
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if <option>services.discourse.database.host</option> is customized.
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'';
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};
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name = lib.mkOption {
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type = lib.types.str;
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default = "discourse";
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description = ''
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Discourse database name.
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'';
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};
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username = lib.mkOption {
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type = lib.types.str;
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default = "discourse";
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description = ''
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Discourse database user.
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'';
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};
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ignorePostgresqlVersion = lib.mkOption {
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type = lib.types.bool;
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default = false;
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description = ''
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Whether to allow other versions of PostgreSQL than the
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recommended one. Only effective when
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<option>services.discourse.database.createLocally</option>
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is enabled.
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'';
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};
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};
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redis = {
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host = lib.mkOption {
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type = lib.types.str;
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default = "localhost";
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description = ''
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Redis server hostname.
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'';
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};
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passwordFile = lib.mkOption {
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type = with lib.types; nullOr path;
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default = null;
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description = ''
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File containing the Redis password.
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This should be a string, not a nix path, since nix paths are
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copied into the world-readable nix store.
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'';
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};
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dbNumber = lib.mkOption {
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type = lib.types.int;
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default = 0;
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description = ''
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Redis database number.
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'';
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};
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useSSL = lib.mkOption {
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type = lib.types.bool;
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default = cfg.redis.host != "localhost";
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defaultText = lib.literalExpression ''config.${opt.redis.host} != "localhost"'';
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description = ''
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Connect to Redis with SSL.
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'';
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};
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};
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mail = {
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notificationEmailAddress = lib.mkOption {
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type = lib.types.str;
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default = "${if cfg.mail.incoming.enable then "notifications" else "noreply"}@${cfg.hostname}";
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defaultText = lib.literalExpression ''
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"''${if config.services.discourse.mail.incoming.enable then "notifications" else "noreply"}@''${config.services.discourse.hostname}"
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'';
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description = ''
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The <literal>from:</literal> email address used when
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sending all essential system emails. The domain specified
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here must have SPF, DKIM and reverse PTR records set
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correctly for email to arrive.
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'';
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};
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contactEmailAddress = lib.mkOption {
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type = lib.types.str;
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default = "";
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description = ''
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Email address of key contact responsible for this
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site. Used for critical notifications, as well as on the
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<literal>/about</literal> contact form for urgent matters.
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'';
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};
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outgoing = {
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serverAddress = lib.mkOption {
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type = lib.types.str;
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default = "localhost";
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description = ''
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The address of the SMTP server Discourse should use to
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send email.
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'';
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};
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port = lib.mkOption {
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type = lib.types.port;
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default = 25;
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description = ''
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The port of the SMTP server Discourse should use to
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send email.
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'';
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};
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username = lib.mkOption {
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type = with lib.types; nullOr str;
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default = null;
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description = ''
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The username of the SMTP server.
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'';
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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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description = ''
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A file containing the password of the SMTP server account.
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This should be a string, not a nix path, since nix paths
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are copied into the world-readable nix store.
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'';
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};
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domain = lib.mkOption {
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type = lib.types.str;
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default = cfg.hostname;
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defaultText = lib.literalExpression "config.${opt.hostname}";
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description = ''
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HELO domain to use for outgoing mail.
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'';
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};
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authentication = lib.mkOption {
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type = with lib.types; nullOr (enum ["plain" "login" "cram_md5"]);
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default = null;
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description = ''
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Authentication type to use, see http://api.rubyonrails.org/classes/ActionMailer/Base.html
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'';
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};
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enableStartTLSAuto = lib.mkOption {
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type = lib.types.bool;
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default = true;
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description = ''
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Whether to try to use StartTLS.
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'';
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};
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opensslVerifyMode = lib.mkOption {
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type = lib.types.str;
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default = "peer";
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description = ''
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How OpenSSL checks the certificate, see http://api.rubyonrails.org/classes/ActionMailer/Base.html
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'';
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};
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forceTLS = lib.mkOption {
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type = lib.types.bool;
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default = false;
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description = ''
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Force implicit TLS as per RFC 8314 3.3.
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'';
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};
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};
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incoming = {
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enable = lib.mkOption {
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type = lib.types.bool;
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default = false;
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description = ''
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Whether to set up Postfix to receive incoming mail.
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'';
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};
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replyEmailAddress = lib.mkOption {
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type = lib.types.str;
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default = "%{reply_key}@${cfg.hostname}";
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defaultText = lib.literalExpression ''"%{reply_key}@''${config.services.discourse.hostname}"'';
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description = ''
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Template for reply by email incoming email address, for
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example: %{reply_key}@reply.example.com or
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replies+%{reply_key}@example.com
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'';
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};
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mailReceiverPackage = lib.mkOption {
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type = lib.types.package;
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default = pkgs.discourse-mail-receiver;
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defaultText = lib.literalExpression "pkgs.discourse-mail-receiver";
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description = ''
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The discourse-mail-receiver package to use.
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'';
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};
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apiKeyFile = lib.mkOption {
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type = lib.types.nullOr lib.types.path;
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default = null;
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description = ''
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A file containing the Discourse API key used to add
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posts and messages from mail. If left at its default
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value <literal>null</literal>, one will be automatically
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generated.
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This should be a string, not a nix path, since nix paths
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are copied into the world-readable nix store.
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'';
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};
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};
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};
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plugins = lib.mkOption {
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type = lib.types.listOf lib.types.package;
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default = [];
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example = lib.literalExpression ''
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with config.services.discourse.package.plugins; [
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discourse-canned-replies
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discourse-github
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];
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'';
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description = ''
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Plugins to install as part of
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<productname>Discourse</productname>, expressed as a list of
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derivations.
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'';
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};
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sidekiqProcesses = lib.mkOption {
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type = lib.types.int;
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default = 1;
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description = ''
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How many Sidekiq processes should be spawned.
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'';
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};
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unicornTimeout = lib.mkOption {
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type = lib.types.int;
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default = 30;
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description = ''
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Time in seconds before a request to Unicorn times out.
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This can be raised if the system Discourse is running on is
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too slow to handle many requests within 30 seconds.
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'';
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};
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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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{
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assertion = (cfg.database.host != null) -> (cfg.database.passwordFile != null);
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message = "When services.gitlab.database.host is customized, services.discourse.database.passwordFile must be set!";
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}
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{
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assertion = cfg.hostname != "";
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message = "Could not automatically determine hostname, set service.discourse.hostname manually.";
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}
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{
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assertion = cfg.database.ignorePostgresqlVersion || (databaseActuallyCreateLocally -> upstreamPostgresqlVersion == postgresqlVersion);
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message = "The PostgreSQL version recommended for use with Discourse is ${upstreamPostgresqlVersion}, you're using ${postgresqlVersion}. "
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+ "Either update your PostgreSQL package to the correct version or set services.discourse.database.ignorePostgresqlVersion. "
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+ "See https://nixos.org/manual/nixos/stable/index.html#module-postgresql for details on how to upgrade PostgreSQL.";
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}
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];
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# Default config values are from `config/discourse_defaults.conf`
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# upstream.
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services.discourse.backendSettings = lib.mapAttrs (_: lib.mkDefault) {
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db_pool = cfg.database.pool;
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db_timeout = 5000;
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db_connect_timeout = 5;
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db_socket = null;
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db_host = cfg.database.host;
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db_backup_host = null;
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db_port = null;
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db_backup_port = 5432;
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db_name = cfg.database.name;
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db_username = if databaseActuallyCreateLocally then "discourse" else cfg.database.username;
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db_password = cfg.database.passwordFile;
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db_prepared_statements = false;
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db_replica_host = null;
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db_replica_port = null;
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db_advisory_locks = true;
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inherit (cfg) hostname;
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backup_hostname = null;
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|
|
|
smtp_address = cfg.mail.outgoing.serverAddress;
|
|
smtp_port = cfg.mail.outgoing.port;
|
|
smtp_domain = cfg.mail.outgoing.domain;
|
|
smtp_user_name = cfg.mail.outgoing.username;
|
|
smtp_password = cfg.mail.outgoing.passwordFile;
|
|
smtp_authentication = cfg.mail.outgoing.authentication;
|
|
smtp_enable_start_tls = cfg.mail.outgoing.enableStartTLSAuto;
|
|
smtp_openssl_verify_mode = cfg.mail.outgoing.opensslVerifyMode;
|
|
smtp_force_tls = cfg.mail.outgoing.forceTLS;
|
|
|
|
load_mini_profiler = true;
|
|
mini_profiler_snapshots_period = 0;
|
|
mini_profiler_snapshots_transport_url = null;
|
|
mini_profiler_snapshots_transport_auth_key = null;
|
|
|
|
cdn_url = null;
|
|
cdn_origin_hostname = null;
|
|
developer_emails = null;
|
|
|
|
redis_host = cfg.redis.host;
|
|
redis_port = 6379;
|
|
redis_replica_host = null;
|
|
redis_replica_port = 6379;
|
|
redis_db = cfg.redis.dbNumber;
|
|
redis_password = cfg.redis.passwordFile;
|
|
redis_skip_client_commands = false;
|
|
redis_use_ssl = cfg.redis.useSSL;
|
|
|
|
message_bus_redis_enabled = false;
|
|
message_bus_redis_host = "localhost";
|
|
message_bus_redis_port = 6379;
|
|
message_bus_redis_replica_host = null;
|
|
message_bus_redis_replica_port = 6379;
|
|
message_bus_redis_db = 0;
|
|
message_bus_redis_password = null;
|
|
message_bus_redis_skip_client_commands = false;
|
|
|
|
enable_cors = false;
|
|
cors_origin = "";
|
|
serve_static_assets = false;
|
|
sidekiq_workers = 5;
|
|
rtl_css = false;
|
|
connection_reaper_age = 30;
|
|
connection_reaper_interval = 30;
|
|
relative_url_root = null;
|
|
message_bus_max_backlog_size = 100;
|
|
secret_key_base = cfg.secretKeyBaseFile;
|
|
fallback_assets_path = null;
|
|
|
|
s3_bucket = null;
|
|
s3_region = null;
|
|
s3_access_key_id = null;
|
|
s3_secret_access_key = null;
|
|
s3_use_iam_profile = null;
|
|
s3_cdn_url = null;
|
|
s3_endpoint = null;
|
|
s3_http_continue_timeout = null;
|
|
s3_install_cors_rule = null;
|
|
|
|
max_user_api_reqs_per_minute = 20;
|
|
max_user_api_reqs_per_day = 2880;
|
|
max_admin_api_reqs_per_minute = 60;
|
|
max_reqs_per_ip_per_minute = 200;
|
|
max_reqs_per_ip_per_10_seconds = 50;
|
|
max_asset_reqs_per_ip_per_10_seconds = 200;
|
|
max_reqs_per_ip_mode = "block";
|
|
max_reqs_rate_limit_on_private = false;
|
|
skip_per_ip_rate_limit_trust_level = 1;
|
|
force_anonymous_min_queue_seconds = 1;
|
|
force_anonymous_min_per_10_seconds = 3;
|
|
background_requests_max_queue_length = 0.5;
|
|
reject_message_bus_queue_seconds = 0.1;
|
|
disable_search_queue_threshold = 1;
|
|
max_old_rebakes_per_15_minutes = 300;
|
|
max_logster_logs = 1000;
|
|
refresh_maxmind_db_during_precompile_days = 2;
|
|
maxmind_backup_path = null;
|
|
maxmind_license_key = null;
|
|
enable_performance_http_headers = false;
|
|
enable_js_error_reporting = true;
|
|
mini_scheduler_workers = 5;
|
|
compress_anon_cache = false;
|
|
anon_cache_store_threshold = 2;
|
|
allowed_theme_repos = null;
|
|
enable_email_sync_demon = false;
|
|
max_digests_enqueued_per_30_mins_per_site = 10000;
|
|
cluster_name = null;
|
|
multisite_config_path = "config/multisite.yml";
|
|
enable_long_polling = null;
|
|
long_polling_interval = null;
|
|
};
|
|
|
|
services.redis.enable = lib.mkDefault (cfg.redis.host == "localhost");
|
|
|
|
services.postgresql = lib.mkIf databaseActuallyCreateLocally {
|
|
enable = true;
|
|
ensureUsers = [{ name = "discourse"; }];
|
|
};
|
|
|
|
# The postgresql module doesn't currently support concepts like
|
|
# objects owners and extensions; for now we tack on what's needed
|
|
# here.
|
|
systemd.services.discourse-postgresql =
|
|
let
|
|
pgsql = config.services.postgresql;
|
|
in
|
|
lib.mkIf databaseActuallyCreateLocally {
|
|
after = [ "postgresql.service" ];
|
|
bindsTo = [ "postgresql.service" ];
|
|
wantedBy = [ "discourse.service" ];
|
|
partOf = [ "discourse.service" ];
|
|
path = [
|
|
pgsql.package
|
|
];
|
|
script = ''
|
|
set -o errexit -o pipefail -o nounset -o errtrace
|
|
shopt -s inherit_errexit
|
|
|
|
psql -tAc "SELECT 1 FROM pg_database WHERE datname = 'discourse'" | grep -q 1 || psql -tAc 'CREATE DATABASE "discourse" OWNER "discourse"'
|
|
psql '${cfg.database.name}' -tAc "CREATE EXTENSION IF NOT EXISTS pg_trgm"
|
|
psql '${cfg.database.name}' -tAc "CREATE EXTENSION IF NOT EXISTS hstore"
|
|
'';
|
|
|
|
serviceConfig = {
|
|
User = pgsql.superUser;
|
|
Type = "oneshot";
|
|
RemainAfterExit = true;
|
|
};
|
|
};
|
|
|
|
systemd.services.discourse = {
|
|
wantedBy = [ "multi-user.target" ];
|
|
after = [
|
|
"redis.service"
|
|
"postgresql.service"
|
|
"discourse-postgresql.service"
|
|
];
|
|
bindsTo = [
|
|
"redis.service"
|
|
] ++ lib.optionals (cfg.database.host == null) [
|
|
"postgresql.service"
|
|
"discourse-postgresql.service"
|
|
];
|
|
path = cfg.package.runtimeDeps ++ [
|
|
postgresqlPackage
|
|
pkgs.replace-secret
|
|
cfg.package.rake
|
|
];
|
|
environment = cfg.package.runtimeEnv // {
|
|
UNICORN_TIMEOUT = builtins.toString cfg.unicornTimeout;
|
|
UNICORN_SIDEKIQS = builtins.toString cfg.sidekiqProcesses;
|
|
MALLOC_ARENA_MAX = "2";
|
|
};
|
|
|
|
preStart =
|
|
let
|
|
discourseKeyValue = lib.generators.toKeyValue {
|
|
mkKeyValue = lib.flip lib.generators.mkKeyValueDefault " = " {
|
|
mkValueString = v: with builtins;
|
|
if isInt v then toString v
|
|
else if isString v then ''"${v}"''
|
|
else if true == v then "true"
|
|
else if false == v then "false"
|
|
else if null == v then ""
|
|
else if isFloat v then lib.strings.floatToString v
|
|
else throw "unsupported type ${typeOf v}: ${(lib.generators.toPretty {}) v}";
|
|
};
|
|
};
|
|
|
|
discourseConf = pkgs.writeText "discourse.conf" (discourseKeyValue cfg.backendSettings);
|
|
|
|
mkSecretReplacement = file:
|
|
lib.optionalString (file != null) ''
|
|
replace-secret '${file}' '${file}' /run/discourse/config/discourse.conf
|
|
'';
|
|
|
|
mkAdmin = ''
|
|
export ADMIN_EMAIL="${cfg.admin.email}"
|
|
export ADMIN_NAME="${cfg.admin.fullName}"
|
|
export ADMIN_USERNAME="${cfg.admin.username}"
|
|
ADMIN_PASSWORD="$(<${cfg.admin.passwordFile})"
|
|
export ADMIN_PASSWORD
|
|
discourse-rake admin:create_noninteractively
|
|
'';
|
|
|
|
in ''
|
|
set -o errexit -o pipefail -o nounset -o errtrace
|
|
shopt -s inherit_errexit
|
|
|
|
umask u=rwx,g=rx,o=
|
|
|
|
rm -rf /var/lib/discourse/tmp/*
|
|
|
|
cp -r ${cfg.package}/share/discourse/config.dist/* /run/discourse/config/
|
|
cp -r ${cfg.package}/share/discourse/public.dist/* /run/discourse/public/
|
|
ln -sf /var/lib/discourse/uploads /run/discourse/public/uploads
|
|
ln -sf /var/lib/discourse/backups /run/discourse/public/backups
|
|
|
|
(
|
|
umask u=rwx,g=,o=
|
|
|
|
${utils.genJqSecretsReplacementSnippet
|
|
cfg.siteSettings
|
|
"/run/discourse/config/nixos_site_settings.json"
|
|
}
|
|
install -T -m 0600 -o discourse ${discourseConf} /run/discourse/config/discourse.conf
|
|
${mkSecretReplacement cfg.database.passwordFile}
|
|
${mkSecretReplacement cfg.mail.outgoing.passwordFile}
|
|
${mkSecretReplacement cfg.redis.passwordFile}
|
|
${mkSecretReplacement cfg.secretKeyBaseFile}
|
|
chmod 0400 /run/discourse/config/discourse.conf
|
|
)
|
|
|
|
discourse-rake db:migrate >>/var/log/discourse/db_migration.log
|
|
chmod -R u+w /var/lib/discourse/tmp/
|
|
|
|
${lib.optionalString (!cfg.admin.skipCreate) mkAdmin}
|
|
|
|
discourse-rake themes:update
|
|
discourse-rake uploads:regenerate_missing_optimized
|
|
'';
|
|
|
|
serviceConfig = {
|
|
Type = "simple";
|
|
User = "discourse";
|
|
Group = "discourse";
|
|
RuntimeDirectory = map (p: "discourse/" + p) [
|
|
"config"
|
|
"home"
|
|
"assets/javascripts/plugins"
|
|
"public"
|
|
"sockets"
|
|
];
|
|
RuntimeDirectoryMode = 0750;
|
|
StateDirectory = map (p: "discourse/" + p) [
|
|
"uploads"
|
|
"backups"
|
|
"tmp"
|
|
];
|
|
StateDirectoryMode = 0750;
|
|
LogsDirectory = "discourse";
|
|
TimeoutSec = "infinity";
|
|
Restart = "on-failure";
|
|
WorkingDirectory = "${cfg.package}/share/discourse";
|
|
|
|
RemoveIPC = true;
|
|
PrivateTmp = true;
|
|
NoNewPrivileges = true;
|
|
RestrictSUIDSGID = true;
|
|
ProtectSystem = "strict";
|
|
ProtectHome = "read-only";
|
|
|
|
ExecStart = "${cfg.package.rubyEnv}/bin/bundle exec config/unicorn_launcher -E production -c config/unicorn.conf.rb";
|
|
};
|
|
};
|
|
|
|
services.nginx = lib.mkIf cfg.nginx.enable {
|
|
enable = true;
|
|
additionalModules = [ pkgs.nginxModules.brotli ];
|
|
|
|
recommendedTlsSettings = true;
|
|
recommendedOptimisation = true;
|
|
recommendedGzipSettings = true;
|
|
recommendedProxySettings = true;
|
|
|
|
upstreams.discourse.servers."unix:/run/discourse/sockets/unicorn.sock" = {};
|
|
|
|
appendHttpConfig = ''
|
|
# inactive means we keep stuff around for 1440m minutes regardless of last access (1 week)
|
|
# levels means it is a 2 deep hierarchy cause we can have lots of files
|
|
# max_size limits the size of the cache
|
|
proxy_cache_path /var/cache/nginx inactive=1440m levels=1:2 keys_zone=discourse:10m max_size=600m;
|
|
|
|
# see: https://meta.discourse.org/t/x/74060
|
|
proxy_buffer_size 8k;
|
|
'';
|
|
|
|
virtualHosts.${cfg.hostname} = {
|
|
inherit (cfg) sslCertificate sslCertificateKey enableACME;
|
|
forceSSL = lib.mkDefault tlsEnabled;
|
|
|
|
root = "${cfg.package}/share/discourse/public";
|
|
|
|
locations =
|
|
let
|
|
proxy = { extraConfig ? "" }: {
|
|
proxyPass = "http://discourse";
|
|
extraConfig = extraConfig + ''
|
|
proxy_set_header X-Request-Start "t=''${msec}";
|
|
'';
|
|
};
|
|
cache = time: ''
|
|
expires ${time};
|
|
add_header Cache-Control public,immutable;
|
|
'';
|
|
cache_1y = cache "1y";
|
|
cache_1d = cache "1d";
|
|
in
|
|
{
|
|
"/".tryFiles = "$uri @discourse";
|
|
"@discourse" = proxy {};
|
|
"^~ /backups/".extraConfig = ''
|
|
internal;
|
|
'';
|
|
"/favicon.ico" = {
|
|
return = "204";
|
|
extraConfig = ''
|
|
access_log off;
|
|
log_not_found off;
|
|
'';
|
|
};
|
|
"~ ^/uploads/short-url/" = proxy {};
|
|
"~ ^/secure-media-uploads/" = proxy {};
|
|
"~* (fonts|assets|plugins|uploads)/.*\.(eot|ttf|woff|woff2|ico|otf)$".extraConfig = cache_1y + ''
|
|
add_header Access-Control-Allow-Origin *;
|
|
'';
|
|
"/srv/status" = proxy {
|
|
extraConfig = ''
|
|
access_log off;
|
|
log_not_found off;
|
|
'';
|
|
};
|
|
"~ ^/javascripts/".extraConfig = cache_1d;
|
|
"~ ^/assets/(?<asset_path>.+)$".extraConfig = cache_1y + ''
|
|
# asset pipeline enables this
|
|
brotli_static on;
|
|
gzip_static on;
|
|
'';
|
|
"~ ^/plugins/".extraConfig = cache_1y;
|
|
"~ /images/emoji/".extraConfig = cache_1y;
|
|
"~ ^/uploads/" = proxy {
|
|
extraConfig = cache_1y + ''
|
|
proxy_set_header X-Sendfile-Type X-Accel-Redirect;
|
|
proxy_set_header X-Accel-Mapping ${cfg.package}/share/discourse/public/=/downloads/;
|
|
|
|
# custom CSS
|
|
location ~ /stylesheet-cache/ {
|
|
try_files $uri =404;
|
|
}
|
|
# this allows us to bypass rails
|
|
location ~* \.(gif|png|jpg|jpeg|bmp|tif|tiff|ico|webp)$ {
|
|
try_files $uri =404;
|
|
}
|
|
# SVG needs an extra header attached
|
|
location ~* \.(svg)$ {
|
|
}
|
|
# thumbnails & optimized images
|
|
location ~ /_?optimized/ {
|
|
try_files $uri =404;
|
|
}
|
|
'';
|
|
};
|
|
"~ ^/admin/backups/" = proxy {
|
|
extraConfig = ''
|
|
proxy_set_header X-Sendfile-Type X-Accel-Redirect;
|
|
proxy_set_header X-Accel-Mapping ${cfg.package}/share/discourse/public/=/downloads/;
|
|
'';
|
|
};
|
|
"~ ^/(svg-sprite/|letter_avatar/|letter_avatar_proxy/|user_avatar|highlight-js|stylesheets|theme-javascripts|favicon/proxied|service-worker)" = proxy {
|
|
extraConfig = ''
|
|
# if Set-Cookie is in the response nothing gets cached
|
|
# this is double bad cause we are not passing last modified in
|
|
proxy_ignore_headers "Set-Cookie";
|
|
proxy_hide_header "Set-Cookie";
|
|
proxy_hide_header "X-Discourse-Username";
|
|
proxy_hide_header "X-Runtime";
|
|
|
|
# note x-accel-redirect can not be used with proxy_cache
|
|
proxy_cache discourse;
|
|
proxy_cache_key "$scheme,$host,$request_uri";
|
|
proxy_cache_valid 200 301 302 7d;
|
|
proxy_cache_valid any 1m;
|
|
'';
|
|
};
|
|
"/message-bus/" = proxy {
|
|
extraConfig = ''
|
|
proxy_http_version 1.1;
|
|
proxy_buffering off;
|
|
'';
|
|
};
|
|
"/downloads/".extraConfig = ''
|
|
internal;
|
|
alias ${cfg.package}/share/discourse/public/;
|
|
'';
|
|
};
|
|
};
|
|
};
|
|
|
|
systemd.services.discourse-mail-receiver-setup = lib.mkIf cfg.mail.incoming.enable (
|
|
let
|
|
mail-receiver-environment = {
|
|
MAIL_DOMAIN = cfg.hostname;
|
|
DISCOURSE_BASE_URL = "http${lib.optionalString tlsEnabled "s"}://${cfg.hostname}";
|
|
DISCOURSE_API_KEY = "@api-key@";
|
|
DISCOURSE_API_USERNAME = "system";
|
|
};
|
|
mail-receiver-json = json.generate "mail-receiver.json" mail-receiver-environment;
|
|
in
|
|
{
|
|
before = [ "postfix.service" ];
|
|
after = [ "discourse.service" ];
|
|
wantedBy = [ "discourse.service" ];
|
|
partOf = [ "discourse.service" ];
|
|
path = [
|
|
cfg.package.rake
|
|
pkgs.jq
|
|
];
|
|
preStart = lib.optionalString (cfg.mail.incoming.apiKeyFile == null) ''
|
|
set -o errexit -o pipefail -o nounset -o errtrace
|
|
shopt -s inherit_errexit
|
|
|
|
if [[ ! -e /var/lib/discourse-mail-receiver/api_key ]]; then
|
|
discourse-rake api_key:create_master[email-receiver] >/var/lib/discourse-mail-receiver/api_key
|
|
fi
|
|
'';
|
|
script =
|
|
let
|
|
apiKeyPath =
|
|
if cfg.mail.incoming.apiKeyFile == null then
|
|
"/var/lib/discourse-mail-receiver/api_key"
|
|
else
|
|
cfg.mail.incoming.apiKeyFile;
|
|
in ''
|
|
set -o errexit -o pipefail -o nounset -o errtrace
|
|
shopt -s inherit_errexit
|
|
|
|
api_key=$(<'${apiKeyPath}')
|
|
export api_key
|
|
|
|
jq <${mail-receiver-json} \
|
|
'.DISCOURSE_API_KEY = $ENV.api_key' \
|
|
>'/run/discourse-mail-receiver/mail-receiver-environment.json'
|
|
'';
|
|
|
|
serviceConfig = {
|
|
Type = "oneshot";
|
|
RemainAfterExit = true;
|
|
RuntimeDirectory = "discourse-mail-receiver";
|
|
RuntimeDirectoryMode = "0700";
|
|
StateDirectory = "discourse-mail-receiver";
|
|
User = "discourse";
|
|
Group = "discourse";
|
|
};
|
|
});
|
|
|
|
services.discourse.siteSettings = {
|
|
required = {
|
|
notification_email = cfg.mail.notificationEmailAddress;
|
|
contact_email = cfg.mail.contactEmailAddress;
|
|
};
|
|
email = {
|
|
manual_polling_enabled = cfg.mail.incoming.enable;
|
|
reply_by_email_enabled = cfg.mail.incoming.enable;
|
|
reply_by_email_address = cfg.mail.incoming.replyEmailAddress;
|
|
};
|
|
};
|
|
|
|
services.postfix = lib.mkIf cfg.mail.incoming.enable {
|
|
enable = true;
|
|
sslCert = if cfg.sslCertificate != null then cfg.sslCertificate else "";
|
|
sslKey = if cfg.sslCertificateKey != null then cfg.sslCertificateKey else "";
|
|
|
|
origin = cfg.hostname;
|
|
relayDomains = [ cfg.hostname ];
|
|
config = {
|
|
smtpd_recipient_restrictions = "check_policy_service unix:private/discourse-policy";
|
|
append_dot_mydomain = lib.mkDefault false;
|
|
compatibility_level = "2";
|
|
smtputf8_enable = false;
|
|
smtpd_banner = lib.mkDefault "ESMTP server";
|
|
myhostname = lib.mkDefault cfg.hostname;
|
|
mydestination = lib.mkDefault "localhost";
|
|
};
|
|
transport = ''
|
|
${cfg.hostname} discourse-mail-receiver:
|
|
'';
|
|
masterConfig = {
|
|
"discourse-mail-receiver" = {
|
|
type = "unix";
|
|
privileged = true;
|
|
chroot = false;
|
|
command = "pipe";
|
|
args = [
|
|
"user=discourse"
|
|
"argv=${cfg.mail.incoming.mailReceiverPackage}/bin/receive-mail"
|
|
"\${recipient}"
|
|
];
|
|
};
|
|
"discourse-policy" = {
|
|
type = "unix";
|
|
privileged = true;
|
|
chroot = false;
|
|
command = "spawn";
|
|
args = [
|
|
"user=discourse"
|
|
"argv=${cfg.mail.incoming.mailReceiverPackage}/bin/discourse-smtp-fast-rejection"
|
|
];
|
|
};
|
|
};
|
|
};
|
|
|
|
users.users = {
|
|
discourse = {
|
|
group = "discourse";
|
|
isSystemUser = true;
|
|
};
|
|
} // (lib.optionalAttrs cfg.nginx.enable {
|
|
${config.services.nginx.user}.extraGroups = [ "discourse" ];
|
|
});
|
|
|
|
users.groups = {
|
|
discourse = {};
|
|
};
|
|
|
|
environment.systemPackages = [
|
|
cfg.package.rake
|
|
];
|
|
};
|
|
|
|
meta.doc = ./discourse.xml;
|
|
meta.maintainers = [ lib.maintainers.talyz ];
|
|
}
|