120 lines
2.8 KiB
Nix
120 lines
2.8 KiB
Nix
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{ config, pkgs, lib, ... }: # mailman.nix
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with lib;
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let
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cfg = config.services.mailman;
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pythonEnv = pkgs.python3.withPackages (ps: [ps.mailman]);
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mailmanExe = with pkgs; stdenv.mkDerivation {
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name = "mailman-" + python3Packages.mailman.version;
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unpackPhase = ":";
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installPhase = ''
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mkdir -p $out/bin
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sed >"$out/bin/mailman" <"${pythonEnv}/bin/mailman" \
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-e "2 iexport MAILMAN_CONFIG_FILE=/etc/mailman.cfg"
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chmod +x $out/bin/mailman
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'';
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};
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mailmanCfg = ''
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[mailman]
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site_owner: ${cfg.siteOwner}
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layout: fhs
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[paths.fhs]
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bin_dir: ${pkgs.python3Packages.mailman}/bin
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var_dir: /var/lib/mailman
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queue_dir: $var_dir/queue
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log_dir: $var_dir/log
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lock_dir: $var_dir/lock
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etc_dir: /etc
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ext_dir: $etc_dir/mailman.d
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pid_file: /run/mailman/master.pid
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'';
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in {
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###### interface
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options = {
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services.mailman = {
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enable = mkOption {
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type = types.bool;
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default = false;
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description = "Enable Mailman on this host. Requires an active Postfix installation.";
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};
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siteOwner = mkOption {
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type = types.str;
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default = "postmaster";
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description = ''
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Certain messages that must be delivered to a human, but which can't
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be delivered to a list owner (e.g. a bounce from a list owner), will
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be sent to this address. It should point to a human.
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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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assertions = [
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{ assertion = cfg.enable -> config.services.postfix.enable;
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message = "Mailman requires Postfix";
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}
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{ assertion = config.services.postfix.recipientDelimiter == "+";
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message = "Postfix's recipientDelimiter must be set to '+'.";
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}
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];
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users.users = singleton {
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name = "mailman";
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group = "mailman";
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uid = config.ids.uids.mailman;
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};
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users.groups = singleton {
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name = "mailman";
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gid = config.ids.gids.mailman;
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};
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environment = {
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systemPackages = [ mailmanExe ];
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etc."mailman.cfg".text = mailmanCfg;
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};
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services.postfix.config = {
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# Mailman uses recipient delimiters, so we don't need special handling.
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owner_request_special = "no";
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};
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systemd.services.mailman = {
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description = "GNU Mailman Master Process";
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after = [ "network.target" ];
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wantedBy = [ "multi-user.target" ];
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serviceConfig = {
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ExecStart = "${mailmanExe}/bin/mailman start";
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ExecStop = "${mailmanExe}/bin/mailman stop";
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User = "mailman";
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Group = "mailman";
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Type = "forking";
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StateDirectory = "mailman";
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StateDirectoryMode = "0750";
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RuntimeDirectory = "mailman";
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PIDFile = "/run/mailman/master.pid";
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};
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};
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};
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}
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