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|
{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.vdirsyncer;
toIniJson = with generators; toINI {
mkKeyValue = mkKeyValueDefault {
mkValueString = builtins.toJSON;
} "=";
};
toConfigFile = name: cfg':
if
cfg'.configFile != null
then
cfg'.configFile
else
pkgs.writeText "vdirsyncer-${name}.conf" (toIniJson (
{
general = cfg'.config.general // (lib.optionalAttrs (cfg'.config.statusPath == null) {
status_path = "/var/lib/vdirsyncer/${name}";
});
} // (
mapAttrs' (name: nameValuePair "pair ${name}") cfg'.config.pairs
) // (
mapAttrs' (name: nameValuePair "storage ${name}") cfg'.config.storages
)
));
userUnitConfig = name: cfg': {
serviceConfig = {
User = if cfg'.user == null then "vdirsyncer" else cfg'.user;
Group = if cfg'.group == null then "vdirsyncer" else cfg'.group;
} // (optionalAttrs (cfg'.user == null) {
DynamicUser = true;
}) // (optionalAttrs (cfg'.additionalGroups != []) {
SupplementaryGroups = cfg'.additionalGroups;
}) // (optionalAttrs (cfg'.config.statusPath == null) {
StateDirectory = "vdirsyncer/${name}";
StateDirectoryMode = "0700";
});
};
commonUnitConfig = {
after = [ "network.target" ];
serviceConfig = {
Type = "oneshot";
# Sandboxing
PrivateTmp = true;
NoNewPrivileges = true;
ProtectSystem = "strict";
ProtectHome = true;
ProtectKernelTunables = true;
ProtectKernelModules = true;
ProtectControlGroups = true;
RestrictNamespaces = true;
MemoryDenyWriteExecute = true;
RestrictRealtime = true;
RestrictSUIDSGID = true;
RestrictAddressFamilies = "AF_INET AF_INET6";
LockPersonality = true;
};
};
in
{
options = {
services.vdirsyncer = {
enable = mkEnableOption (mdDoc "vdirsyncer");
package = mkPackageOptionMD pkgs "vdirsyncer" {};
jobs = mkOption {
description = mdDoc "vdirsyncer job configurations";
type = types.attrsOf (types.submodule {
options = {
enable = (mkEnableOption (mdDoc "this vdirsyncer job")) // {
default = true;
example = false;
};
user = mkOption {
type = types.nullOr types.str;
default = null;
description = mdDoc ''
User account to run vdirsyncer as, otherwise as a systemd
dynamic user
'';
};
group = mkOption {
type = types.nullOr types.str;
default = null;
description = mdDoc "group to run vdirsyncer as";
};
additionalGroups = mkOption {
type = types.listOf types.str;
default = [];
description = mdDoc "additional groups to add the dynamic user to";
};
forceDiscover = mkOption {
type = types.bool;
default = false;
description = mdDoc ''
Run `yes | vdirsyncer discover` prior to `vdirsyncer sync`
'';
};
timerConfig = mkOption {
type = types.attrs;
default = {
OnBootSec = "1h";
OnUnitActiveSec = "6h";
};
description = mdDoc "systemd timer configuration";
};
configFile = mkOption {
type = types.nullOr types.path;
default = null;
description = mdDoc "existing configuration file";
};
config = {
statusPath = mkOption {
type = types.nullOr types.str;
default = null;
defaultText = literalExpression "/var/lib/vdirsyncer/\${attrName}";
description = mdDoc "vdirsyncer's status path";
};
general = mkOption {
type = types.attrs;
default = {};
description = mdDoc "general configuration";
};
pairs = mkOption {
type = types.attrsOf types.attrs;
default = {};
description = mdDoc "vdirsyncer pair configurations";
example = literalExpression ''
{
my_contacts = {
a = "my_cloud_contacts";
b = "my_local_contacts";
collections = [ "from a" ];
conflict_resolution = "a wins";
metadata = [ "color" "displayname" ];
};
};
'';
};
storages = mkOption {
type = types.attrsOf types.attrs;
default = {};
description = mdDoc "vdirsyncer storage configurations";
example = literalExpression ''
{
my_cloud_contacts = {
type = "carddav";
url = "https://dav.example.com/";
read_only = true;
username = "user";
"password.fetch" = [ "command" "cat" "/etc/vdirsyncer/cloud.passwd" ];
};
my_local_contacts = {
type = "carddav";
url = "https://localhost/";
username = "user";
"password.fetch" = [ "command" "cat" "/etc/vdirsyncer/local.passwd" ];
};
}
'';
};
};
};
});
};
};
};
config = mkIf cfg.enable {
systemd.services = mapAttrs' (name: cfg': nameValuePair "vdirsyncer@${name}" (
foldr recursiveUpdate {} [
commonUnitConfig
(userUnitConfig name cfg')
{
description = "synchronize calendars and contacts (${name})";
environment.VDIRSYNCER_CONFIG = toConfigFile name cfg';
serviceConfig.ExecStart =
(optional cfg'.forceDiscover (
pkgs.writeShellScript "vdirsyncer-discover-yes" ''
set -e
yes | ${cfg.package}/bin/vdirsyncer discover
''
)) ++ [ "${cfg.package}/bin/vdirsyncer sync" ];
}
]
)) (filterAttrs (name: cfg': cfg'.enable) cfg.jobs);
systemd.timers = mapAttrs' (name: cfg': nameValuePair "vdirsyncer@${name}" {
wantedBy = [ "timers.target" ];
description = "synchronize calendars and contacts (${name})";
inherit (cfg') timerConfig;
}) cfg.jobs;
};
}
|