forked from jan-leila/nix-config
353 lines
12 KiB
Nix
353 lines
12 KiB
Nix
{
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config,
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lib,
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pkgs,
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...
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}: {
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options.services = {
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panoramax = {
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enable = lib.mkEnableOption "panoramax";
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package = lib.mkOption {
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type = lib.types.package;
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default = pkgs.panoramax;
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description = "The panoramax package to use";
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};
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user = lib.mkOption {
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type = lib.types.str;
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default = "panoramax";
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description = "The user panoramax should run as.";
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};
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group = lib.mkOption {
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type = lib.types.str;
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default = "panoramax";
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description = "The group panoramax should run as.";
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};
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host = lib.mkOption {
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type = lib.types.str;
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default = "127.0.0.1";
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description = "Host to bind the panoramax service to";
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};
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port = lib.mkOption {
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type = lib.types.nullOr lib.types.port;
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default = 5000;
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description = "Port for the panoramax service";
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};
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openFirewall = lib.mkOption {
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type = lib.types.bool;
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default = false;
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description = "Whether to open the panoramax port in the firewall";
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};
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settings = {
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urlScheme = lib.mkOption {
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type = lib.types.enum ["http" "https"];
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default = "https";
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description = "URL scheme for the application";
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};
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storage = {
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fsUrl = lib.mkOption {
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type = lib.types.nullOr lib.types.str;
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default = "/var/lib/panoramax/storage";
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description = "File system URL for storage";
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};
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};
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infrastructure = {
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nbProxies = lib.mkOption {
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type = lib.types.nullOr lib.types.int;
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default = 1;
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description = "Number of proxies in front of the application";
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};
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};
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flask = {
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secretKey = lib.mkOption {
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type = lib.types.nullOr lib.types.str;
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default = null;
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description = "Flask secret key for session security";
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};
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sessionCookieDomain = lib.mkOption {
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type = lib.types.nullOr lib.types.str;
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default = null;
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description = "Flask session cookie domain";
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};
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};
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api = {
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pictures = {
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licenseSpdxId = lib.mkOption {
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type = lib.types.nullOr lib.types.str;
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default = null;
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description = "SPDX license identifier for API pictures";
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};
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licenseUrl = lib.mkOption {
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type = lib.types.nullOr lib.types.str;
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default = null;
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description = "License URL for API pictures";
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};
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};
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};
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extraEnvironment = lib.mkOption {
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type = lib.types.attrsOf lib.types.str;
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default = {};
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description = "Additional environment variables";
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example = {
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CUSTOM_SETTING = "value";
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DEBUG = "true";
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};
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};
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};
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database = {
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createDB = lib.mkOption {
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type = lib.types.bool;
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default = true;
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description = "Whether to automatically create the database and user";
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};
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name = lib.mkOption {
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type = lib.types.str;
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default = "panoramax";
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description = "The name of the panoramax database";
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};
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host = lib.mkOption {
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type = lib.types.nullOr lib.types.str;
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default = "/run/postgresql";
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description = "Hostname or address of the postgresql server. If an absolute path is given here, it will be interpreted as a unix socket path.";
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};
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port = lib.mkOption {
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type = lib.types.nullOr lib.types.port;
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default = 5432;
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description = "Port of the postgresql server.";
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};
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user = lib.mkOption {
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type = lib.types.nullOr lib.types.str;
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default = "panoramax";
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description = "The database user for panoramax.";
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};
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# TODO: password file for external database
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};
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sgblur = {
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# TODO: configs to bind to sgblur
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};
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};
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sgblur = {
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enable = lib.mkOption {
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type = lib.types.bool;
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default = false;
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description = "Whether to enable sgblur integration for face and license plate blurring";
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};
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package = lib.mkOption {
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type = lib.types.package;
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default = pkgs.sgblur;
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description = "The sgblur package to use";
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};
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port = lib.mkOption {
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type = lib.types.port;
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default = 8080;
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description = "Port for the sgblur service";
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};
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host = lib.mkOption {
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type = lib.types.str;
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default = "127.0.0.1";
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description = "Host to bind the sgblur service to";
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};
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url = lib.mkOption {
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type = lib.types.str;
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default = "http://127.0.0.1:8080";
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description = "URL where sgblur service is accessible";
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};
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};
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};
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config = lib.mkIf config.services.panoramax.enable (lib.mkMerge [
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{
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# Create panoramax user and group
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users.users.${config.services.panoramax.user} = {
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isSystemUser = true;
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group = config.services.panoramax.group;
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home = "/var/lib/panoramax";
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createHome = true;
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};
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users.groups.${config.services.panoramax.group} = {};
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# Ensure storage directory exists with correct permissions
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systemd.tmpfiles.rules = [
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"d '${config.services.panoramax.settings.storage.fsUrl}' 0755 ${config.services.panoramax.user} ${config.services.panoramax.group} - -"
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];
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systemd.services.panoramax-api = {
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description = "Panoramax API server (self hosted map street view)";
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after = ["network.target" "postgresql.service"];
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wantedBy = ["multi-user.target"];
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environment =
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{
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# Core Flask configuration
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FLASK_APP = "geovisio";
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# Database configuration
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DB_HOST = config.services.panoramax.database.host;
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DB_PORT = toString config.services.panoramax.database.port;
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DB_USERNAME = config.services.panoramax.database.user;
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DB_NAME = config.services.panoramax.database.name;
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# Storage configuration
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FS_URL = config.services.panoramax.settings.storage.fsUrl;
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# Infrastructure configuration
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INFRA_NB_PROXIES = toString config.services.panoramax.settings.infrastructure.nbProxies;
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# Application configuration
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PORT = toString config.services.panoramax.port;
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# Python path to include the panoramax package
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PYTHONPATH = "${config.services.panoramax.package}/${pkgs.python3.sitePackages}";
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}
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// (lib.optionalAttrs (config.services.panoramax.settings.flask.secretKey != null) {
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FLASK_SECRET_KEY = config.services.panoramax.settings.flask.secretKey;
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})
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// (lib.optionalAttrs (config.services.panoramax.settings.flask.sessionCookieDomain != null) {
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FLASK_SESSION_COOKIE_DOMAIN = config.services.panoramax.settings.flask.sessionCookieDomain;
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})
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// (lib.optionalAttrs (config.services.panoramax.settings.api.pictures.licenseSpdxId != null) {
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API_PICTURES_LICENSE_SPDX_ID = config.services.panoramax.settings.api.pictures.licenseSpdxId;
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})
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// (lib.optionalAttrs (config.services.panoramax.settings.api.pictures.licenseUrl != null) {
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API_PICTURES_LICENSE_URL = config.services.panoramax.settings.api.pictures.licenseUrl;
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})
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// (lib.optionalAttrs config.services.sgblur.enable {
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SGBLUR_API_URL = config.services.sgblur.url;
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})
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// config.services.panoramax.settings.extraEnvironment;
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path = with pkgs; [
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(python3.withPackages (ps: with ps; [config.services.panoramax.package waitress]))
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];
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serviceConfig = {
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ExecStart = "${pkgs.python3.withPackages (ps: with ps; [config.services.panoramax.package waitress])}/bin/waitress-serve --port ${toString config.services.panoramax.port} --call geovisio:create_app";
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User = config.services.panoramax.user;
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Group = config.services.panoramax.group;
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WorkingDirectory = "/var/lib/panoramax";
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Restart = "always";
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RestartSec = 5;
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# Security hardening
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PrivateTmp = true;
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ProtectSystem = "strict";
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ProtectHome = true;
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ReadWritePaths = [
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"/var/lib/panoramax"
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config.services.panoramax.settings.storage.fsUrl
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];
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NoNewPrivileges = true;
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PrivateDevices = true;
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ProtectKernelTunables = true;
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ProtectKernelModules = true;
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ProtectControlGroups = true;
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RestrictSUIDSGID = true;
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RestrictRealtime = true;
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RestrictNamespaces = true;
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LockPersonality = true;
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MemoryDenyWriteExecute = true;
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SystemCallArchitectures = "native";
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};
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};
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# Open firewall if requested
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networking.firewall.allowedTCPPorts = lib.mkIf config.services.panoramax.openFirewall [
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config.services.panoramax.port
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];
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}
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(lib.mkIf config.services.sgblur.enable {
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# SGBlur service configuration
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systemd.services.sgblur = {
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description = "SGBlur face and license plate blurring service";
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after = ["network.target"];
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wantedBy = ["multi-user.target"];
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path = with pkgs; [
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config.services.sgblur.package
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python3
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python3Packages.waitress
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];
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serviceConfig = {
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ExecStart = "${pkgs.python3Packages.waitress}/bin/waitress-serve --host ${config.services.sgblur.host} --port ${toString config.services.sgblur.port} src.detect.detect_api:app";
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WorkingDirectory = "${config.services.sgblur.package}";
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Restart = "always";
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RestartSec = 5;
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# Basic security hardening
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PrivateTmp = true;
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ProtectSystem = "strict";
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ProtectHome = true;
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NoNewPrivileges = true;
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PrivateDevices = true;
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ProtectKernelTunables = true;
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ProtectKernelModules = true;
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ProtectControlGroups = true;
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RestrictSUIDSGID = true;
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RestrictRealtime = true;
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RestrictNamespaces = true;
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LockPersonality = true;
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MemoryDenyWriteExecute = true;
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SystemCallArchitectures = "native";
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};
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};
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networking.firewall.allowedTCPPorts = lib.mkIf config.services.panoramax.openFirewall [
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config.services.sgblur.port
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];
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})
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(lib.mkIf config.services.panoramax.database.createDB {
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services.postgresql = {
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enable = true;
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ensureDatabases = lib.mkIf config.services.panoramax.database.createDB [config.services.panoramax.database.name];
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ensureUsers = lib.mkIf config.services.panoramax.database.createDB [
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{
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name = config.services.panoramax.database.user;
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ensureDBOwnership = true;
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ensureClauses.login = true;
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}
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];
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extensions = ps: with ps; [postgis];
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};
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systemd.services.postgresql.serviceConfig.ExecStartPost = let
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sqlFile = pkgs.writeText "panoramax-postgis-setup.sql" ''
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CREATE EXTENSION IF NOT EXISTS postgis;
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-- TODO: how can we ensure that this runs after the databases have been created
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-- ALTER DATABASE ${config.services.panoramax.database.name} SET TIMEZONE TO 'UTC';
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GRANT SET ON PARAMETER session_replication_role TO ${config.services.panoramax.database.user};
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'';
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in [
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''
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${lib.getExe' config.services.postgresql.package "psql"} -d "${config.services.panoramax.database.user}" -f "${sqlFile}"
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''
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];
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})
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]);
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}
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