nixos: Add module for rspamd

Changed files
+93
nixos
modules
misc
services
mail
+2
nixos/modules/misc/ids.nix
···
dspam = 222;
gale = 223;
matrix-synapse = 224;
+
rspamd = 225;
# When adding a uid, make sure it doesn't match an existing gid. And don't use uids above 399!
···
dspam = 222;
gale = 223;
matrix-synapse = 224;
+
rspamd = 225;
# When adding a gid, make sure it doesn't match an existing
# uid. Users and groups with the same name should have equal
+1
nixos/modules/module-list.nix
···
./services/mail/postfix.nix
./services/mail/postsrsd.nix
./services/mail/spamassassin.nix
+
./services/mail/rspamd.nix
./services/misc/apache-kafka.nix
./services/misc/autofs.nix
./services/misc/bepasty.nix
+90
nixos/modules/services/mail/rspamd.nix
···
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{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.rspamd;
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in
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{
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###### interface
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options = {
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services.rspamd = {
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enable = mkOption {
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default = false;
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description = "Whether to run the rspamd daemon.";
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};
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debug = mkOption {
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default = false;
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description = "Whether to run the rspamd daemon in debug mode.";
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};
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user = mkOption {
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type = types.string;
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default = "rspamd";
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description = ''
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User to use when no root privileges are required.
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'';
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};
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group = mkOption {
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type = types.string;
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default = "rspamd";
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description = ''
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Group to use when no root privileges are required.
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'';
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};
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};
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};
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###### implementation
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config = mkIf cfg.enable {
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# Allow users to run 'rspamc' and 'rspamadm'.
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environment.systemPackages = [ pkgs.rspamd ];
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users.extraUsers = singleton {
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name = cfg.user;
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description = "rspamd daemon";
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uid = config.ids.uids.rspamd;
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group = cfg.group;
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};
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users.extraGroups = singleton {
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name = cfg.group;
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gid = config.ids.gids.spamd;
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};
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systemd.services.rspamd = {
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description = "Rspamd Service";
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wantedBy = [ "multi-user.target" ];
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after = [ "network.target" ];
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serviceConfig = {
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ExecStart = "${pkgs.rspamd}/bin/rspamd ${optionalString cfg.debug "-d"} --user=${cfg.user} --group=${cfg.group} --pid=/run/rspamd.pid -f";
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RuntimeDirectory = "/var/lib/rspamd";
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PermissionsStartOnly = true;
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Restart = "always";
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};
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preStart = ''
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${pkgs.coreutils}/bin/mkdir -p /var/{lib,log}/rspamd
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${pkgs.coreutils}/bin/chown ${cfg.user}:${cfg.group} /var/lib/rspamd
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'';
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};
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};
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}