142 lines
4.2 KiB
Nix
142 lines
4.2 KiB
Nix
{ config, pkgs, lib, ... }:
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with lib;
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let
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cfg = config.services.tandoor-recipes;
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pkg = cfg.package;
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# SECRET_KEY through an env file
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env = {
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GUNICORN_CMD_ARGS = "--bind=${cfg.address}:${toString cfg.port}";
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DEBUG = "0";
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DEBUG_TOOLBAR = "0";
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MEDIA_ROOT = "/var/lib/tandoor-recipes";
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} // optionalAttrs (config.time.timeZone != null) {
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TZ = config.time.timeZone;
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} // (
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lib.mapAttrs (_: toString) cfg.extraConfig
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);
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manage = pkgs.writeShellScript "manage" ''
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set -o allexport # Export the following env vars
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${lib.toShellVars env}
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eval "$(${config.systemd.package}/bin/systemctl show -pUID,GID,MainPID tandoor-recipes.service)"
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exec ${pkgs.util-linux}/bin/nsenter \
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-t $MainPID -m -S $UID -G $GID \
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${pkg}/bin/tandoor-recipes "$@"
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'';
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in
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{
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meta.maintainers = with maintainers; [ ambroisie ];
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options.services.tandoor-recipes = {
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enable = mkOption {
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type = lib.types.bool;
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default = false;
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description = lib.mdDoc ''
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Enable Tandoor Recipes.
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When started, the Tandoor Recipes database is automatically created if
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it doesn't exist and updated if the package has changed. Both tasks are
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achieved by running a Django migration.
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A script to manage the instance (by wrapping Django's manage.py) is linked to
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`/var/lib/tandoor-recipes/tandoor-recipes-manage`.
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'';
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};
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address = mkOption {
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type = types.str;
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default = "localhost";
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description = lib.mdDoc "Web interface address.";
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};
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port = mkOption {
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type = types.port;
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default = 8080;
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description = lib.mdDoc "Web interface port.";
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};
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extraConfig = mkOption {
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type = types.attrs;
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default = { };
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description = lib.mdDoc ''
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Extra tandoor recipes config options.
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See [the example dot-env file](https://raw.githubusercontent.com/vabene1111/recipes/master/.env.template)
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for available options.
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'';
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example = {
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ENABLE_SIGNUP = "1";
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};
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};
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package = mkPackageOption pkgs "tandoor-recipes" { };
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};
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config = mkIf cfg.enable {
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systemd.services.tandoor-recipes = {
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description = "Tandoor Recipes server";
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serviceConfig = {
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ExecStart = ''
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${pkg.python.pkgs.gunicorn}/bin/gunicorn recipes.wsgi
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'';
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Restart = "on-failure";
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User = "tandoor_recipes";
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Group = "tandoor_recipes";
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DynamicUser = true;
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StateDirectory = "tandoor-recipes";
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WorkingDirectory = "/var/lib/tandoor-recipes";
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RuntimeDirectory = "tandoor-recipes";
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BindReadOnlyPaths = [
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"${config.environment.etc."ssl/certs/ca-certificates.crt".source}:/etc/ssl/certs/ca-certificates.crt"
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builtins.storeDir
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"-/etc/resolv.conf"
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"-/etc/nsswitch.conf"
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"-/etc/hosts"
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"-/etc/localtime"
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"-/run/postgresql"
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];
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CapabilityBoundingSet = "";
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LockPersonality = true;
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MemoryDenyWriteExecute = true;
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PrivateDevices = true;
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PrivateUsers = true;
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ProtectClock = true;
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ProtectControlGroups = true;
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ProtectHome = true;
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ProtectHostname = true;
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ProtectKernelLogs = true;
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ProtectKernelModules = true;
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ProtectKernelTunables = true;
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RestrictAddressFamilies = [ "AF_UNIX" "AF_INET" "AF_INET6" ];
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RestrictNamespaces = true;
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RestrictRealtime = true;
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SystemCallArchitectures = "native";
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# gunicorn needs setuid
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SystemCallFilter = [ "@system-service" "~@privileged" "@resources" "@setuid" "@keyring" ];
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UMask = "0066";
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} // lib.optionalAttrs (cfg.port < 1024) {
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AmbientCapabilities = [ "CAP_NET_BIND_SERVICE" ];
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CapabilityBoundingSet = [ "CAP_NET_BIND_SERVICE" ];
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};
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wantedBy = [ "multi-user.target" ];
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preStart = ''
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ln -sf ${manage} tandoor-recipes-manage
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# Let django migrate the DB as needed
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${pkg}/bin/tandoor-recipes migrate
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'';
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environment = env // {
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PYTHONPATH = "${pkg.python.pkgs.makePythonPath pkg.propagatedBuildInputs}:${pkg}/lib/tandoor-recipes";
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};
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};
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};
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}
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