diff options
Diffstat (limited to 'nixpkgs/nixos/modules/services/misc/bepasty.nix')
| -rw-r--r-- | nixpkgs/nixos/modules/services/misc/bepasty.nix | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/nixpkgs/nixos/modules/services/misc/bepasty.nix b/nixpkgs/nixos/modules/services/misc/bepasty.nix new file mode 100644 index 00000000000..87d36068144 --- /dev/null +++ b/nixpkgs/nixos/modules/services/misc/bepasty.nix @@ -0,0 +1,183 @@ +{ config, lib, pkgs, ... }: + +with lib; +let + gunicorn = pkgs.python3Packages.gunicorn; + bepasty = pkgs.bepasty; + gevent = pkgs.python3Packages.gevent; + python = pkgs.python3Packages.python; + cfg = config.services.bepasty; + user = "bepasty"; + group = "bepasty"; + default_home = "/var/lib/bepasty"; +in +{ + options.services.bepasty = { + enable = mkEnableOption "Bepasty servers"; + + servers = mkOption { + default = {}; + description = '' + configure a number of bepasty servers which will be started with + gunicorn. + ''; + type = with types ; attrsOf (submodule ({ config, ... } : { + + options = { + + bind = mkOption { + type = types.str; + description = '' + Bind address to be used for this server. + ''; + example = "0.0.0.0:8000"; + default = "127.0.0.1:8000"; + }; + + dataDir = mkOption { + type = types.str; + description = '' + Path to the directory where the pastes will be saved to + ''; + default = default_home+"/data"; + }; + + defaultPermissions = mkOption { + type = types.str; + description = '' + default permissions for all unauthenticated accesses. + ''; + example = "read,create,delete"; + default = "read"; + }; + + extraConfig = mkOption { + type = types.lines; + description = '' + Extra configuration for bepasty server to be appended on the + configuration. + see https://bepasty-server.readthedocs.org/en/latest/quickstart.html#configuring-bepasty + for all options. + ''; + default = ""; + example = '' + PERMISSIONS = { + 'myadminsecret': 'admin,list,create,read,delete', + } + MAX_ALLOWED_FILE_SIZE = 5 * 1000 * 1000 + ''; + }; + + secretKey = mkOption { + type = types.str; + description = '' + server secret for safe session cookies, must be set. + + Warning: this secret is stored in the WORLD-READABLE Nix store! + + It's recommended to use <option>secretKeyFile</option> + which takes precedence over <option>secretKey</option>. + ''; + default = ""; + }; + + secretKeyFile = mkOption { + type = types.nullOr types.str; + default = null; + description = '' + A file that contains the server secret for safe session cookies, must be set. + + <option>secretKeyFile</option> takes precedence over <option>secretKey</option>. + + Warning: when <option>secretKey</option> is non-empty <option>secretKeyFile</option> + defaults to a file in the WORLD-READABLE Nix store containing that secret. + ''; + }; + + workDir = mkOption { + type = types.str; + description = '' + Path to the working directory (used for config and pidfile). + Defaults to the users home directory. + ''; + default = default_home; + }; + + }; + config = { + secretKeyFile = mkDefault ( + if config.secretKey != "" + then toString (pkgs.writeTextFile { + name = "bepasty-secret-key"; + text = config.secretKey; + }) + else null + ); + }; + })); + }; + }; + + config = mkIf cfg.enable { + + environment.systemPackages = [ bepasty ]; + + # creates gunicorn systemd service for each configured server + systemd.services = mapAttrs' (name: server: + nameValuePair ("bepasty-server-${name}-gunicorn") + ({ + description = "Bepasty Server ${name}"; + wantedBy = [ "multi-user.target" ]; + after = [ "network.target" ]; + restartIfChanged = true; + + environment = let + penv = python.buildEnv.override { + extraLibs = [ bepasty gevent ]; + }; + in { + BEPASTY_CONFIG = "${server.workDir}/bepasty-${name}.conf"; + PYTHONPATH= "${penv}/${python.sitePackages}/"; + }; + + serviceConfig = { + Type = "simple"; + PrivateTmp = true; + ExecStartPre = assert server.secretKeyFile != null; pkgs.writeScript "bepasty-server.${name}-init" '' + #!/bin/sh + mkdir -p "${server.workDir}" + mkdir -p "${server.dataDir}" + chown ${user}:${group} "${server.workDir}" "${server.dataDir}" + cat > ${server.workDir}/bepasty-${name}.conf <<EOF + SITENAME="${name}" + STORAGE_FILESYSTEM_DIRECTORY="${server.dataDir}" + SECRET_KEY="$(cat "${server.secretKeyFile}")" + DEFAULT_PERMISSIONS="${server.defaultPermissions}" + ${server.extraConfig} + EOF + ''; + ExecStart = ''${gunicorn}/bin/gunicorn bepasty.wsgi --name ${name} \ + -u ${user} \ + -g ${group} \ + --workers 3 --log-level=info \ + --bind=${server.bind} \ + --pid ${server.workDir}/gunicorn-${name}.pid \ + -k gevent + ''; + }; + }) + ) cfg.servers; + + users.users = [{ + uid = config.ids.uids.bepasty; + name = user; + group = group; + home = default_home; + }]; + + users.groups = [{ + name = group; + gid = config.ids.gids.bepasty; + }]; + }; +} |