baget service: init

2020-05-13 20:29:47 +03:00
parent 209bfb6ac6
commit 74a88c4961
4 changed files with 180 additions and 0 deletions
--- a/nixos/modules/services/web-apps/baget.nix
+++ b/nixos/modules/services/web-apps/baget.nix
@@ -0,0 +1,170 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+
+  cfg = config.services.baget;
+
+  defaultConfig = {
+    "PackageDeletionBehavior" = "Unlist";
+    "AllowPackageOverwrites" = false;
+
+    "Database" = {
+      "Type" = "Sqlite";
+      "ConnectionString" = "Data Source=baget.db";
+    };
+
+    "Storage" = {
+      "Type" = "FileSystem";
+      "Path" = "";
+    };
+
+    "Search" = {
+      "Type" = "Database";
+    };
+
+    "Mirror" = {
+      "Enabled" = false;
+      "PackageSource" = "https://api.nuget.org/v3/index.json";
+    };
+
+    "Logging" = {
+      "IncludeScopes" = false;
+      "Debug" = {
+        "LogLevel" = {
+          "Default" = "Warning";
+        };
+      };
+      "Console" = {
+        "LogLevel" = {
+          "Microsoft.Hosting.Lifetime" = "Information";
+          "Default" = "Warning";
+        };
+      };
+    };
+  };
+
+  configAttrs = recursiveUpdate defaultConfig cfg.extraConfig;
+
+  configFormat = pkgs.formats.json {};
+  configFile = configFormat.generate "appsettings.json" configAttrs;
+
+in
+{
+  options.services.baget = {
+    enable = mkEnableOption "BaGet NuGet-compatible server";
+
+    apiKeyFile = mkOption {
+      type = types.path;
+      example = "/root/baget.key";
+      description = ''
+        Private API key for BaGet.
+      '';
+    };
+
+    extraConfig = mkOption {
+      type = configFormat.type;
+      default = {};
+      example = {
+        "Database" = {
+          "Type" = "PostgreSql";
+          "ConnectionString" = "Server=/run/postgresql;Port=5432;";
+        };
+      };
+      defaultText = literalExpression ''
+        {
+          "PackageDeletionBehavior" = "Unlist";
+          "AllowPackageOverwrites" = false;
+
+          "Database" = {
+            "Type" = "Sqlite";
+            "ConnectionString" = "Data Source=baget.db";
+          };
+
+          "Storage" = {
+            "Type" = "FileSystem";
+            "Path" = "";
+          };
+
+          "Search" = {
+            "Type" = "Database";
+          };
+
+          "Mirror" = {
+            "Enabled" = false;
+            "PackageSource" = "https://api.nuget.org/v3/index.json";
+          };
+
+          "Logging" = {
+            "IncludeScopes" = false;
+            "Debug" = {
+              "LogLevel" = {
+                "Default" = "Warning";
+              };
+            };
+            "Console" = {
+              "LogLevel" = {
+                "Microsoft.Hosting.Lifetime" = "Information";
+                "Default" = "Warning";
+              };
+            };
+          };
+        }
+      '';
+      description = ''
+        Extra configuration options for BaGet. Refer to <link xlink:href="https://loic-sharma.github.io/BaGet/configuration/"/> for details.
+        Default value is merged with values from here.
+      '';
+    };
+  };
+
+  # implementation
+
+  config = mkIf cfg.enable {
+
+    systemd.services.baget = {
+      description = "BaGet server";
+      wantedBy = [ "multi-user.target" ];
+      wants = [ "network-online.target" ];
+      after = [ "network.target" "network-online.target" ];
+      path = [ pkgs.jq ];
+      serviceConfig = {
+        WorkingDirectory = "/var/lib/baget";
+        DynamicUser = true;
+        StateDirectory = "baget";
+        StateDirectoryMode = "0700";
+        LoadCredential = "api_key:${cfg.apiKeyFile}";
+
+        CapabilityBoundingSet = "";
+        NoNewPrivileges = true;
+        PrivateDevices = true;
+        PrivateTmp = true;
+        PrivateUsers = true;
+        PrivateMounts = true;
+        ProtectHome = true;
+        ProtectClock = true;
+        ProtectProc = "noaccess";
+        ProcSubset = "pid";
+        ProtectKernelLogs = true;
+        ProtectKernelModules = true;
+        ProtectKernelTunables = true;
+        ProtectControlGroups = true;
+        ProtectHostname = true;
+        RestrictSUIDSGID = true;
+        RestrictRealtime = true;
+        RestrictNamespaces = true;
+        LockPersonality = true;
+        RemoveIPC = true;
+        RestrictAddressFamilies = [ "AF_INET" "AF_INET6" ];
+        SystemCallFilter = [ "@system-service" "~@privileged" ];
+      };
+      script = ''
+        jq --slurpfile apiKeys <(jq -R . "$CREDENTIALS_DIRECTORY/api_key") '.ApiKey = $apiKeys[0]' ${configFile} > appsettings.json
+        ln -snf ${pkgs.baget}/lib/BaGet/wwwroot wwwroot
+        exec ${pkgs.baget}/bin/BaGet
+      '';
+    };
+
+  };
+}