diff options
Diffstat (limited to 'nixos/modules/services/networking/vdirsyncer.nix')
| -rw-r--r-- | nixos/modules/services/networking/vdirsyncer.nix | 214 |
1 files changed, 214 insertions, 0 deletions
diff --git a/nixos/modules/services/networking/vdirsyncer.nix b/nixos/modules/services/networking/vdirsyncer.nix new file mode 100644 index 0000000000000..6a069943434da --- /dev/null +++ b/nixos/modules/services/networking/vdirsyncer.nix @@ -0,0 +1,214 @@ +{ 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 = mkPackageOption 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; + }; +} |