infra/hosts/nachtigall/apps/mailman.nix

100 lines
3 KiB
Nix

{
flake,
config,
lib,
pkgs,
...
}:
{
networking.firewall.allowedTCPPorts = [25];
users.users.nginx.extraGroups = [ "mailman" ];
services.nginx.virtualHosts."list.pub.solar" = {
enableACME = true;
forceSSL = true;
};
# Tweak permissions so nginx can read and serve the static assets
# (otherwise /var/lib/mailman-web is mode 0600)
# https://nixos.wiki/wiki/Mailman
systemd.services.mailman-settings.script = ''
chmod o+x /var/lib/mailman-web-static
'';
services.postfix = {
enable = true;
relayDomains = ["hash:/var/lib/mailman/data/postfix_domains"];
# get TLS certs for list.pub.solar from acme
sslCert = "/var/lib/acme/list.pub.solar/fullchain.pem";
sslKey = "/var/lib/acme/list.pub.solar/key.pem";
config = {
transport_maps = ["hash:/var/lib/mailman/data/postfix_lmtp"];
local_recipient_maps = ["hash:/var/lib/mailman/data/postfix_lmtp"];
};
rootAlias = "admins@pub.solar";
postmasterAlias = "admins@pub.solar";
hostname = "list.pub.solar";
};
systemd.paths.watcher-acme-ssl-file = {
description = "Watches for changes in acme's TLS cert file (after renewals) to reload postfix";
documentation = ["systemd.path(5)"];
partOf = ["postfix-reload.service"];
pathConfig = {
PathChanged = "/var/lib/acme/list.pub.solar/fullchain.pem";
Unit = "postfix-reload.service";
};
wantedBy = ["multi-user.target"];
};
systemd.services."postfix-reload" = {
description = "Reloads postfix config, e.g. after TLS certs change, notified by watcher-acme-ssl-file.path";
documentation = ["systemd.path(5)"];
requires = ["postfix.service"];
after = ["postfix.service"];
startLimitIntervalSec = 10;
startLimitBurst = 5;
serviceConfig.Type = "oneshot";
script = ''
${pkgs.systemd}/bin/systemctl reload postfix
'';
wantedBy = ["multi-user.target"];
};
services.mailman = {
enable = true;
serve.enable = true;
hyperkitty.enable = true;
webHosts = ["list.pub.solar"];
siteOwner = "admins@pub.solar";
};
# TODO add django-keycloak as auth provider
# https://django-keycloak.readthedocs.io/en/latest/
## Extend settings.py directly since this can't be done via JSON
## settings (services.mailman.webSettings)
#environment.etc."mailman3/settings.py".text = ''
# INSTALLED_APPS.extend([
# "allauth.socialaccount.providers.github",
# "allauth.socialaccount.providers.gitlab"
# ])
#'';
services.restic.backups.mailman = {
paths = [
"/var/lib/mailman"
"/var/lib/mailman-web/mailman-web.db"
"/var/lib/mailman-web/settings_local.json"
"/var/lib/postfix/conf/aliases.db"
];
timerConfig = {
OnCalendar = "*-*-* 02:00:00 Etc/UTC";
# droppie will be offline if nachtigall misses the timer
Persistent = false;
};
initialize = true;
passwordFile = config.age.secrets."restic-repo-droppie".path;
repository = "sftp:yule@droppie.b12f.io:/media/internal/backups-pub-solar";
};
}