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selfhostblocks/modules/ldap.nix
2023-10-14 21:17:59 -07:00

130 lines
3.1 KiB
Nix

{ config, pkgs, lib, ... }:
let
cfg = config.shb.ldap;
fqdn = "${cfg.subdomain}.${cfg.domain}";
in
{
options.shb.ldap = {
enable = lib.mkEnableOption "selfhostblocks.home-assistant";
dcdomain = lib.mkOption {
type = lib.types.str;
description = "dc domain for ldap.";
example = "dc=mydomain,dc=com";
};
subdomain = lib.mkOption {
type = lib.types.str;
description = "Subdomain under which home-assistant will be served.";
example = "grafana";
};
domain = lib.mkOption {
type = lib.types.str;
description = "domain under which home-assistant will be served.";
example = "mydomain.com";
};
ladpPort = lib.mkOption {
type = lib.types.port;
description = "Port on which the server listens for the LDAP protocol.";
default = 3890;
};
httpPort = lib.mkOption {
type = lib.types.port;
description = "Port on which the web UI is exposed.";
default = 17170;
};
sopsFile = lib.mkOption {
type = lib.types.path;
description = "Sops file location";
example = "secrets/ldap.yaml";
};
localNetworkIPRange = lib.mkOption {
type = lib.types.str;
description = "Local network range, to restrict access to the UI to only those IPs.";
example = "192.168.1.1/24";
};
};
config = lib.mkIf cfg.enable {
sops.secrets."lldap/user_password" = {
inherit (cfg) sopsFile;
mode = "0440";
owner = "lldap";
group = "lldap";
restartUnits = [ "lldap.service" ];
};
sops.secrets."lldap/jwt_secret" = {
inherit (cfg) sopsFile;
mode = "0440";
owner = "lldap";
group = "lldap";
restartUnits = [ "lldap.service" ];
};
services.nginx = {
enable = true;
virtualHosts.${fqdn} = {
forceSSL = true;
sslCertificate = "/var/lib/acme/${cfg.domain}/cert.pem";
sslCertificateKey = "/var/lib/acme/${cfg.domain}/key.pem";
locations."/" = {
extraConfig = ''
proxy_set_header Host $host;
allow ${cfg.localNetworkIPRange};
deny all;
'';
proxyPass = "http://${toString config.services.lldap.settings.http_host}:${toString config.services.lldap.settings.http_port}/";
};
};
};
users.users.lldap = {
name = "lldap";
group = "lldap";
isSystemUser = true;
};
users.groups.lldap = {
members = [ "backup" ];
};
services.lldap = {
enable = true;
environment = {
LLDAP_JWT_SECRET_FILE = "/run/secrets/lldap/jwt_secret";
LLDAP_LDAP_USER_PASS_FILE = "/run/secrets/lldap/user_password";
# RUST_LOG = "debug";
};
settings = {
http_url = "https://${fqdn}";
http_host = "127.0.0.1";
http_port = cfg.httpPort;
ldap_host = "127.0.0.1";
ldap_port = cfg.ladpPort;
ldap_base_dn = cfg.dcdomain;
# verbose = true;
};
};
shb.backup.instances.lldap = {
sourceDirectories = [
"/var/lib/lldap"
];
};
};
}