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nixos/mailhog: run with DynamicUser

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peterhoeg committed Sep 7, 2020
1 parent c59ea8b commit 76a2f0f97ca8f44b08de94129e04045c6376528a
Showing with 53 additions and 15 deletions.
  1. +53 −15 nixos/modules/services/mail/mailhog.nix
@@ -4,17 +4,59 @@ with lib;

let
cfg = config.services.mailhog;
in {

args = lib.concatStringsSep " " (
[
"-api-bind-addr :${toString cfg.apiPort}"
"-smtp-bind-addr :${toString cfg.smtpPort}"
"-ui-bind-addr :${toString cfg.uiPort}"
"-storage ${cfg.storage}"
] ++ lib.optional (cfg.storage == "maildir")
"-maildir-path $STATE_DIRECTORY"
++ cfg.extraArgs
);

in
{
###### interface

imports = [
(mkRemovedOptionModule [ "services" "mailhog" "user" ] "")
];

options = {

services.mailhog = {
enable = mkEnableOption "MailHog";
user = mkOption {
type = types.str;
default = "mailhog";
description = "User account under which mailhog runs.";

storage = mkOption {
type = types.enum [ "maildir" "memory" ];
default = "memory";
description = "Store mails on disk or in memory.";
};

apiPort = mkOption {
type = types.port;
default = 8025;
description = "Port on which the API endpoint will listen.";
};

smtpPort = mkOption {
type = types.port;
default = 1025;
description = "Port on which the SMTP endpoint will listen.";
};

uiPort = mkOption {
type = types.port;
default = 8025;
description = "Port on which the HTTP UI will listen.";
};

extraArgs = mkOption {
type = types.listOf types.str;
default = [];
description = "List of additional arguments to pass to the MailHog process.";
};
};
};
@@ -24,20 +66,16 @@ in {

config = mkIf cfg.enable {

users.users.mailhog = {
name = cfg.user;
description = "MailHog service user";
isSystemUser = true;
};

systemd.services.mailhog = {
description = "MailHog service";
description = "MailHog - Web and API based SMTP testing";
after = [ "network.target" ];
wantedBy = [ "multi-user.target" ];
serviceConfig = {
Type = "simple";
ExecStart = "${pkgs.mailhog}/bin/MailHog";
User = cfg.user;
Type = "exec";
ExecStart = "${pkgs.mailhog}/bin/MailHog ${args}";
DynamicUser = true;
Restart = "on-failure";
StateDirectory = "mailhog";
};
};
};

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