0a6e6cf7e6
this converts meta.doc into an md pointer, not an xml pointer. since we no longer need xml for manual chapters we can also remove support for manual chapters from md-to-db.sh since pandoc converts smart quotes to docbook quote elements and our nixos-render-docs does not we lose this distinction in the rendered output. that's probably not that bad, our stylesheet didn't make use of this anyway (and pre-23.05 versions of the chapters didn't use quote elements either). also updates the nixpkgs manual to clarify that option docs support all extensions (although it doesn't support headings at all, so heading anchors don't work by extension).
571 lines
17 KiB
Nix
571 lines
17 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.taskserver;
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taskd = "${pkgs.taskserver}/bin/taskd";
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mkManualPkiOption = desc: mkOption {
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type = types.nullOr types.path;
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default = null;
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description = lib.mdDoc ''
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${desc}
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::: {.note}
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Setting this option will prevent automatic CA creation and handling.
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:::
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'';
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};
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manualPkiOptions = {
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ca.cert = mkManualPkiOption ''
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Fully qualified path to the CA certificate.
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'';
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server.cert = mkManualPkiOption ''
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Fully qualified path to the server certificate.
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'';
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server.crl = mkManualPkiOption ''
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Fully qualified path to the server certificate revocation list.
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'';
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server.key = mkManualPkiOption ''
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Fully qualified path to the server key.
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'';
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};
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mkAutoDesc = preamble: lib.mdDoc ''
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${preamble}
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::: {.note}
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This option is for the automatically handled CA and will be ignored if any
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of the {option}`services.taskserver.pki.manual.*` options are set.
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:::
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'';
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mkExpireOption = desc: mkOption {
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type = types.nullOr types.int;
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default = null;
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example = 365;
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apply = val: if val == null then -1 else val;
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description = mkAutoDesc ''
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The expiration time of ${desc} in days or `null` for no
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expiration time.
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'';
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};
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autoPkiOptions = {
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bits = mkOption {
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type = types.int;
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default = 4096;
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example = 2048;
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description = mkAutoDesc "The bit size for generated keys.";
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};
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expiration = {
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ca = mkExpireOption "the CA certificate";
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server = mkExpireOption "the server certificate";
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client = mkExpireOption "client certificates";
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crl = mkExpireOption "the certificate revocation list (CRL)";
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};
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};
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needToCreateCA = let
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notFound = path: let
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dotted = concatStringsSep "." path;
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in throw "Can't find option definitions for path `${dotted}'.";
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findPkiDefinitions = path: attrs: let
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mkSublist = key: val: let
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newPath = path ++ singleton key;
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in if isOption val
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then attrByPath newPath (notFound newPath) cfg.pki.manual
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else findPkiDefinitions newPath val;
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in flatten (mapAttrsToList mkSublist attrs);
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in all (x: x == null) (findPkiDefinitions [] manualPkiOptions);
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orgOptions = { ... }: {
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options.users = mkOption {
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type = types.uniq (types.listOf types.str);
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default = [];
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example = [ "alice" "bob" ];
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description = lib.mdDoc ''
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A list of user names that belong to the organization.
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'';
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};
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options.groups = mkOption {
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type = types.listOf types.str;
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default = [];
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example = [ "workers" "slackers" ];
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description = lib.mdDoc ''
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A list of group names that belong to the organization.
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'';
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};
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};
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certtool = "${pkgs.gnutls.bin}/bin/certtool";
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nixos-taskserver = with pkgs.python3.pkgs; buildPythonApplication {
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name = "nixos-taskserver";
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src = pkgs.runCommand "nixos-taskserver-src" { preferLocalBuild = true; } ''
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mkdir -p "$out"
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cat "${pkgs.substituteAll {
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src = ./helper-tool.py;
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inherit taskd certtool;
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inherit (cfg) dataDir user group fqdn;
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certBits = cfg.pki.auto.bits;
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clientExpiration = cfg.pki.auto.expiration.client;
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crlExpiration = cfg.pki.auto.expiration.crl;
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isAutoConfig = if needToCreateCA then "True" else "False";
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}}" > "$out/main.py"
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cat > "$out/setup.py" <<EOF
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from setuptools import setup
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setup(name="nixos-taskserver",
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py_modules=["main"],
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install_requires=["Click"],
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entry_points="[console_scripts]\\nnixos-taskserver=main:cli")
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EOF
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'';
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propagatedBuildInputs = [ click ];
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};
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in {
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options = {
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services.taskserver = {
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enable = mkOption {
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type = types.bool;
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default = false;
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description = let
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url = "https://nixos.org/manual/nixos/stable/index.html#module-services-taskserver";
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in lib.mdDoc ''
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Whether to enable the Taskwarrior server.
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More instructions about NixOS in conjunction with Taskserver can be
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found [in the NixOS manual](${url}).
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'';
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};
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user = mkOption {
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type = types.str;
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default = "taskd";
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description = lib.mdDoc "User for Taskserver.";
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};
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group = mkOption {
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type = types.str;
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default = "taskd";
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description = lib.mdDoc "Group for Taskserver.";
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};
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dataDir = mkOption {
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type = types.path;
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default = "/var/lib/taskserver";
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description = lib.mdDoc "Data directory for Taskserver.";
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};
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ciphers = mkOption {
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type = types.nullOr (types.separatedString ":");
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default = null;
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example = "NORMAL:-VERS-SSL3.0";
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description = let
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url = "https://gnutls.org/manual/html_node/Priority-Strings.html";
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in lib.mdDoc ''
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List of GnuTLS ciphers to use. See the GnuTLS documentation about
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priority strings at <${url}> for full details.
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'';
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};
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organisations = mkOption {
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type = types.attrsOf (types.submodule orgOptions);
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default = {};
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example.myShinyOrganisation.users = [ "alice" "bob" ];
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example.myShinyOrganisation.groups = [ "staff" "outsiders" ];
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example.yetAnotherOrganisation.users = [ "foo" "bar" ];
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description = lib.mdDoc ''
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An attribute set where the keys name the organisation and the values
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are a set of lists of {option}`users` and
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{option}`groups`.
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'';
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};
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confirmation = mkOption {
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type = types.bool;
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default = true;
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description = lib.mdDoc ''
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Determines whether certain commands are confirmed.
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'';
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};
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debug = mkOption {
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type = types.bool;
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default = false;
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description = lib.mdDoc ''
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Logs debugging information.
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'';
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};
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extensions = mkOption {
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type = types.nullOr types.path;
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default = null;
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description = lib.mdDoc ''
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Fully qualified path of the Taskserver extension scripts.
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Currently there are none.
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'';
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};
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ipLog = mkOption {
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type = types.bool;
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default = false;
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description = lib.mdDoc ''
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Logs the IP addresses of incoming requests.
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'';
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};
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queueSize = mkOption {
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type = types.int;
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default = 10;
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description = lib.mdDoc ''
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Size of the connection backlog, see {manpage}`listen(2)`.
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'';
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};
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requestLimit = mkOption {
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type = types.int;
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default = 1048576;
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description = lib.mdDoc ''
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Size limit of incoming requests, in bytes.
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'';
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};
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allowedClientIDs = mkOption {
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type = with types; either str (listOf str);
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default = [];
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example = [ "[Tt]ask [2-9]+" ];
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description = lib.mdDoc ''
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A list of regular expressions that are matched against the reported
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client id (such as `task 2.3.0`).
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The values `all` or `none` have
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special meaning. Overridden by any entry in the option
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{option}`services.taskserver.disallowedClientIDs`.
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'';
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};
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disallowedClientIDs = mkOption {
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type = with types; either str (listOf str);
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default = [];
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example = [ "[Tt]ask [2-9]+" ];
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description = lib.mdDoc ''
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A list of regular expressions that are matched against the reported
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client id (such as `task 2.3.0`).
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The values `all` or `none` have
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special meaning. Any entry here overrides those in
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{option}`services.taskserver.allowedClientIDs`.
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'';
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};
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listenHost = mkOption {
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type = types.str;
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default = "localhost";
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example = "::";
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description = lib.mdDoc ''
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The address (IPv4, IPv6 or DNS) to listen on.
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'';
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};
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listenPort = mkOption {
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type = types.int;
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default = 53589;
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description = lib.mdDoc ''
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Port number of the Taskserver.
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'';
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};
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openFirewall = mkOption {
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type = types.bool;
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default = false;
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description = lib.mdDoc ''
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Whether to open the firewall for the specified Taskserver port.
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'';
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};
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fqdn = mkOption {
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type = types.str;
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default = "localhost";
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description = lib.mdDoc ''
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The fully qualified domain name of this server, which is also used
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as the common name in the certificates.
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'';
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};
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trust = mkOption {
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type = types.enum [ "allow all" "strict" ];
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default = "strict";
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description = lib.mdDoc ''
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Determines how client certificates are validated.
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The value `allow all` performs no client
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certificate validation. This is not recommended. The value
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`strict` causes the client certificate to be
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validated against a CA.
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'';
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};
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pki.manual = manualPkiOptions;
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pki.auto = autoPkiOptions;
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config = mkOption {
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type = types.attrs;
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example.client.cert = "/tmp/debugging.cert";
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description = lib.mdDoc ''
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Configuration options to pass to Taskserver.
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The options here are the same as described in
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{manpage}`taskdrc(5)`, but with one difference:
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The `server` option is
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`server.listen` here, because the
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`server` option would collide with other options
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like `server.cert` and we would run in a type error
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(attribute set versus string).
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Nix types like integers or booleans are automatically converted to
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the right values Taskserver would expect.
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'';
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apply = let
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mkKey = path: if path == ["server" "listen"] then "server"
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else concatStringsSep "." path;
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recurse = path: attrs: let
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mapper = name: val: let
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newPath = path ++ [ name ];
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scalar = if val == true then "true"
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else if val == false then "false"
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else toString val;
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in if isAttrs val then recurse newPath val
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else [ "${mkKey newPath}=${scalar}" ];
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in concatLists (mapAttrsToList mapper attrs);
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in recurse [];
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};
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};
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};
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imports = [
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(mkRemovedOptionModule ["services" "taskserver" "extraConfig"] ''
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This option was removed in favor of `services.taskserver.config` with
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different semantics (it's now a list of attributes instead of lines).
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Please look up the documentation of `services.taskserver.config' to get
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more information about the new way to pass additional configuration
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options.
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'')
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];
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config = mkMerge [
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(mkIf cfg.enable {
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environment.systemPackages = [ nixos-taskserver ];
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users.users = optionalAttrs (cfg.user == "taskd") {
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taskd = {
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uid = config.ids.uids.taskd;
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description = "Taskserver user";
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group = cfg.group;
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};
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};
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users.groups = optionalAttrs (cfg.group == "taskd") {
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taskd.gid = config.ids.gids.taskd;
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};
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services.taskserver.config = {
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# systemd related
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daemon = false;
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log = "-";
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# logging
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debug = cfg.debug;
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ip.log = cfg.ipLog;
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# general
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ciphers = cfg.ciphers;
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confirmation = cfg.confirmation;
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extensions = cfg.extensions;
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queue.size = cfg.queueSize;
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request.limit = cfg.requestLimit;
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# client
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client.allow = cfg.allowedClientIDs;
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client.deny = cfg.disallowedClientIDs;
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# server
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trust = cfg.trust;
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server = {
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listen = "${cfg.listenHost}:${toString cfg.listenPort}";
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} // (if needToCreateCA then {
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cert = "${cfg.dataDir}/keys/server.cert";
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key = "${cfg.dataDir}/keys/server.key";
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crl = "${cfg.dataDir}/keys/server.crl";
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} else {
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cert = "${cfg.pki.manual.server.cert}";
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key = "${cfg.pki.manual.server.key}";
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${mapNullable (_: "crl") cfg.pki.manual.server.crl} = "${cfg.pki.manual.server.crl}";
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});
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ca.cert = if needToCreateCA then "${cfg.dataDir}/keys/ca.cert"
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else "${cfg.pki.manual.ca.cert}";
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};
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systemd.services.taskserver-init = {
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wantedBy = [ "taskserver.service" ];
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before = [ "taskserver.service" ];
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description = "Initialize Taskserver Data Directory";
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preStart = ''
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mkdir -m 0770 -p "${cfg.dataDir}"
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chown "${cfg.user}:${cfg.group}" "${cfg.dataDir}"
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'';
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script = ''
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${taskd} init
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touch "${cfg.dataDir}/.is_initialized"
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'';
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environment.TASKDDATA = cfg.dataDir;
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unitConfig.ConditionPathExists = "!${cfg.dataDir}/.is_initialized";
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serviceConfig.Type = "oneshot";
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serviceConfig.User = cfg.user;
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serviceConfig.Group = cfg.group;
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serviceConfig.PermissionsStartOnly = true;
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serviceConfig.PrivateNetwork = true;
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serviceConfig.PrivateDevices = true;
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serviceConfig.PrivateTmp = true;
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};
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systemd.services.taskserver = {
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description = "Taskwarrior Server";
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wantedBy = [ "multi-user.target" ];
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after = [ "network.target" ];
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environment.TASKDDATA = cfg.dataDir;
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preStart = let
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jsonOrgs = builtins.toJSON cfg.organisations;
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jsonFile = pkgs.writeText "orgs.json" jsonOrgs;
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helperTool = "${nixos-taskserver}/bin/nixos-taskserver";
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in "${helperTool} process-json '${jsonFile}'";
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serviceConfig = {
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ExecStart = let
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mkCfgFlag = flag: escapeShellArg "--${flag}";
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cfgFlags = concatMapStringsSep " " mkCfgFlag cfg.config;
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in "@${taskd} taskd server ${cfgFlags}";
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ExecReload = "${pkgs.coreutils}/bin/kill -USR1 $MAINPID";
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Restart = "on-failure";
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PermissionsStartOnly = true;
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PrivateTmp = true;
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PrivateDevices = true;
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User = cfg.user;
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Group = cfg.group;
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};
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};
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})
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(mkIf (cfg.enable && needToCreateCA) {
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systemd.services.taskserver-ca = {
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wantedBy = [ "taskserver.service" ];
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after = [ "taskserver-init.service" ];
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before = [ "taskserver.service" ];
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description = "Initialize CA for TaskServer";
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serviceConfig.Type = "oneshot";
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serviceConfig.UMask = "0077";
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serviceConfig.PrivateNetwork = true;
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serviceConfig.PrivateTmp = true;
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script = ''
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silent_certtool() {
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if ! output="$("${certtool}" "$@" 2>&1)"; then
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echo "GNUTLS certtool invocation failed with output:" >&2
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echo "$output" >&2
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fi
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}
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mkdir -m 0700 -p "${cfg.dataDir}/keys"
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chown root:root "${cfg.dataDir}/keys"
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if [ ! -e "${cfg.dataDir}/keys/ca.key" ]; then
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silent_certtool -p \
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--bits ${toString cfg.pki.auto.bits} \
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--outfile "${cfg.dataDir}/keys/ca.key"
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silent_certtool -s \
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--template "${pkgs.writeText "taskserver-ca.template" ''
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cn = ${cfg.fqdn}
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expiration_days = ${toString cfg.pki.auto.expiration.ca}
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cert_signing_key
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ca
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''}" \
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--load-privkey "${cfg.dataDir}/keys/ca.key" \
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--outfile "${cfg.dataDir}/keys/ca.cert"
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chgrp "${cfg.group}" "${cfg.dataDir}/keys/ca.cert"
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chmod g+r "${cfg.dataDir}/keys/ca.cert"
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fi
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if [ ! -e "${cfg.dataDir}/keys/server.key" ]; then
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silent_certtool -p \
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--bits ${toString cfg.pki.auto.bits} \
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--outfile "${cfg.dataDir}/keys/server.key"
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silent_certtool -c \
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--template "${pkgs.writeText "taskserver-cert.template" ''
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cn = ${cfg.fqdn}
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expiration_days = ${toString cfg.pki.auto.expiration.server}
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tls_www_server
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encryption_key
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signing_key
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''}" \
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--load-ca-privkey "${cfg.dataDir}/keys/ca.key" \
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--load-ca-certificate "${cfg.dataDir}/keys/ca.cert" \
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--load-privkey "${cfg.dataDir}/keys/server.key" \
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--outfile "${cfg.dataDir}/keys/server.cert"
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chgrp "${cfg.group}" \
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"${cfg.dataDir}/keys/server.key" \
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"${cfg.dataDir}/keys/server.cert"
|
|
|
|
chmod g+r \
|
|
"${cfg.dataDir}/keys/server.key" \
|
|
"${cfg.dataDir}/keys/server.cert"
|
|
fi
|
|
|
|
if [ ! -e "${cfg.dataDir}/keys/server.crl" ]; then
|
|
silent_certtool --generate-crl \
|
|
--template "${pkgs.writeText "taskserver-crl.template" ''
|
|
expiration_days = ${toString cfg.pki.auto.expiration.crl}
|
|
''}" \
|
|
--load-ca-privkey "${cfg.dataDir}/keys/ca.key" \
|
|
--load-ca-certificate "${cfg.dataDir}/keys/ca.cert" \
|
|
--outfile "${cfg.dataDir}/keys/server.crl"
|
|
|
|
chgrp "${cfg.group}" "${cfg.dataDir}/keys/server.crl"
|
|
chmod g+r "${cfg.dataDir}/keys/server.crl"
|
|
fi
|
|
|
|
chmod go+x "${cfg.dataDir}/keys"
|
|
'';
|
|
};
|
|
})
|
|
(mkIf (cfg.enable && cfg.openFirewall) {
|
|
networking.firewall.allowedTCPPorts = [ cfg.listenPort ];
|
|
})
|
|
];
|
|
|
|
meta.doc = ./default.md;
|
|
}
|