nixpkgs/nixos/modules/services/networking/mxisd.nix

143 lines
3.8 KiB
Nix

{ config, lib, pkgs, ... }:
with lib;
let
isMa1sd =
package:
lib.hasPrefix "ma1sd" package.name;
isMxisd =
package:
lib.hasPrefix "mxisd" package.name;
cfg = config.services.mxisd;
server = optionalAttrs (cfg.server.name != null) { inherit (cfg.server) name; }
// optionalAttrs (cfg.server.port != null) { inherit (cfg.server) port; };
baseConfig = {
matrix.domain = cfg.matrix.domain;
key.path = "${cfg.dataDir}/signing.key";
storage = {
provider.sqlite.database = if isMa1sd cfg.package
then "${cfg.dataDir}/ma1sd.db"
else "${cfg.dataDir}/mxisd.db";
};
} // optionalAttrs (server != {}) { inherit server; };
# merges baseConfig and extraConfig into a single file
fullConfig = recursiveUpdate baseConfig cfg.extraConfig;
configFile = if isMa1sd cfg.package
then pkgs.writeText "ma1sd-config.yaml" (builtins.toJSON fullConfig)
else pkgs.writeText "mxisd-config.yaml" (builtins.toJSON fullConfig);
in {
options = {
services.mxisd = {
enable = mkEnableOption "matrix federated identity server";
package = mkOption {
type = types.package;
default = pkgs.ma1sd;
defaultText = literalExpression "pkgs.ma1sd";
description = lib.mdDoc "The mxisd/ma1sd package to use";
};
environmentFile = mkOption {
type = types.nullOr types.str;
default = null;
description = lib.mdDoc ''
Path to an environment-file which may contain secrets to be
substituted via `envsubst`.
'';
};
dataDir = mkOption {
type = types.str;
default = "/var/lib/mxisd";
description = lib.mdDoc "Where data mxisd/ma1sd uses resides";
};
extraConfig = mkOption {
type = types.attrs;
default = {};
description = lib.mdDoc "Extra options merged into the mxisd/ma1sd configuration";
};
matrix = {
domain = mkOption {
type = types.str;
description = lib.mdDoc ''
the domain of the matrix homeserver
'';
};
};
server = {
name = mkOption {
type = types.nullOr types.str;
default = null;
description = lib.mdDoc ''
Public hostname of mxisd/ma1sd, if different from the Matrix domain.
'';
};
port = mkOption {
type = types.nullOr types.int;
default = null;
description = lib.mdDoc ''
HTTP port to listen on (unencrypted)
'';
};
};
};
};
config = mkIf cfg.enable {
users.users.mxisd =
{
group = "mxisd";
home = cfg.dataDir;
createHome = true;
shell = "${pkgs.bash}/bin/bash";
uid = config.ids.uids.mxisd;
};
users.groups.mxisd =
{
gid = config.ids.gids.mxisd;
};
systemd.services.mxisd = {
description = "a federated identity server for the matrix ecosystem";
after = [ "network.target" ];
wantedBy = [ "multi-user.target" ];
serviceConfig = let
executable = if isMa1sd cfg.package then "ma1sd" else "mxisd";
in {
Type = "simple";
User = "mxisd";
Group = "mxisd";
EnvironmentFile = mkIf (cfg.environmentFile != null) [ cfg.environmentFile ];
ExecStart = "${cfg.package}/bin/${executable} -c ${cfg.dataDir}/mxisd-config.yaml";
ExecStartPre = "${pkgs.writeShellScript "mxisd-substitute-secrets" ''
umask 0077
${pkgs.envsubst}/bin/envsubst -o ${cfg.dataDir}/mxisd-config.yaml \
-i ${configFile}
''}";
WorkingDirectory = cfg.dataDir;
Restart = "on-failure";
};
};
};
}