107 lines
3.2 KiB
Nix
107 lines
3.2 KiB
Nix
{ config, lib, pkgs, ... }:
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let
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cfg = config.services.kavita;
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settingsFormat = pkgs.formats.json { };
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appsettings = settingsFormat.generate "appsettings.json" ({ TokenKey = "@TOKEN@"; } // cfg.settings);
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in
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{
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imports = [
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(lib.mkChangedOptionModule [ "services" "kavita" "ipAdresses" ] [ "services" "kavita" "settings" "IpAddresses" ] (config:
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let value = lib.getAttrFromPath [ "services" "kavita" "ipAdresses" ] config; in
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lib.concatStringsSep "," value
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))
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(lib.mkRenamedOptionModule [ "services" "kavita" "port" ] [ "services" "kavita" "settings" "Port" ])
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];
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options.services.kavita = {
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enable = lib.mkEnableOption (lib.mdDoc "Kavita reading server");
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user = lib.mkOption {
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type = lib.types.str;
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default = "kavita";
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description = lib.mdDoc "User account under which Kavita runs.";
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};
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package = lib.mkPackageOption pkgs "kavita" { };
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dataDir = lib.mkOption {
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default = "/var/lib/kavita";
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type = lib.types.str;
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description = lib.mdDoc "The directory where Kavita stores its state.";
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};
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tokenKeyFile = lib.mkOption {
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type = lib.types.path;
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description = lib.mdDoc ''
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A file containing the TokenKey, a secret with at 128+ bits.
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It can be generated with `head -c 32 /dev/urandom | base64`.
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'';
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};
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settings = lib.mkOption {
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default = { };
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description = lib.mdDoc ''
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Kavita configuration options, as configured in {file}`appsettings.json`.
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'';
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type = lib.types.submodule {
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freeformType = settingsFormat.type;
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options = {
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Port = lib.mkOption {
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default = 5000;
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type = lib.types.port;
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description = lib.mdDoc "Port to bind to.";
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};
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IpAddresses = lib.mkOption {
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default = "0.0.0.0,::";
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type = lib.types.commas;
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description = lib.mdDoc ''
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IP Addresses to bind to. The default is to bind to all IPv4 and IPv6 addresses.
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'';
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};
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};
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};
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};
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};
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config = lib.mkIf cfg.enable {
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systemd.services.kavita = {
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description = "Kavita";
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wantedBy = [ "multi-user.target" ];
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after = [ "network.target" ];
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preStart = ''
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install -m600 ${appsettings} ${lib.escapeShellArg cfg.dataDir}/config/appsettings.json
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${pkgs.replace-secret}/bin/replace-secret '@TOKEN@' \
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''${CREDENTIALS_DIRECTORY}/token \
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'${cfg.dataDir}/config/appsettings.json'
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'';
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serviceConfig = {
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WorkingDirectory = cfg.dataDir;
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LoadCredential = [ "token:${cfg.tokenKeyFile}" ];
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ExecStart = lib.getExe cfg.package;
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Restart = "always";
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User = cfg.user;
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};
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};
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systemd.tmpfiles.rules = [
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"d '${cfg.dataDir}' 0750 ${cfg.user} ${cfg.user} - -"
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"d '${cfg.dataDir}/config' 0750 ${cfg.user} ${cfg.user} - -"
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];
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users = {
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users.${cfg.user} = {
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description = "kavita service user";
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isSystemUser = true;
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group = cfg.user;
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home = cfg.dataDir;
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};
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groups.${cfg.user} = { };
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};
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};
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meta.maintainers = with lib.maintainers; [ misterio77 ];
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}
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