Support custom database connection url

Author: abraverm

flake.nix

@@ -21,7 +21,22 @@
       nixosConfigurations.testing = nixpkgs.lib.nixosSystem {
         inherit system;
         modules = [
-          self.nixosModules.sourcebot
+          ({
+            pkgs,
+            lib,
+            ...
+          }: {
+            imports = [
+              self.nixosModules.sourcebot
+            ];
+            system.stateVersion = "25.05";
+            boot.isContainer = true; # stop nix flake check complaining about missing root fs
+            documentation.nixos.enable = false; # skip generating nixos docs
+            virtualisation.vmVariant = {
+              boot.isContainer = lib.mkForce false; # let vm variant create a virtual disk
+              virtualisation.graphics = false; # connect serial console to terminal
+            };
+          })
         ];
       };
 

nix/nixosModule.nix

@@ -38,7 +38,7 @@ in {
     };
     authEnabled = mkOption {
       type = types.bool;
-      default = false;
+      default = true;
       description = "Enables authentication in SourceBot";
     };
     telemetryDisabled = mkOption {
@@ -76,6 +76,11 @@ in {
       default = 16379;
       description = "TCP port for the SourceBot Redis server to listen on";
     };
+    databaseUrl = mkOption {
+      type = types.nullOr types.str;
+      default = "postgresql://sourcebot@localhost:${toString config.services.postgresql.settings.port}/sourcebot";
+      description = "PostgreSQL connection URL for SourceBot. If not set, a local PostgreSQL server will be configured and used.";
+    };
   };
 
   config = mkIf cfg.enable {
@@ -155,8 +160,8 @@ in {
         Group = "sourcebot";
         ExecStart = "${pkgs.prisma}/bin/prisma migrate deploy --schema ${cfg.package}/packages/db/prisma/schema.prisma";
         Environment = [
-          "DATABASE_URL=postgresql://sourcebot@localhost:${toString config.services.postgresql.settings.port}/sourcebot"
           "PATH=${makeBinPath (with pkgs; [prisma openssl])}"
+          "DATABASE_URL=${cfg.databaseUrl}"
         ];
         Restart = "on-failure";
         RestartSec = "5s";
@@ -178,15 +183,15 @@ in {
             "DATA_CACHE_DIR=${cfg.dataCacheDir}"
             "PORT=${toString cfg.port}"
             "HOSTNAME=${cfg.hostname}"
-            "DATABASE_URL=postgresql://sourcebot@localhost:${toString config.services.postgresql.settings.port}/sourcebot"
+            "DATABASE_URL=${cfg.databaseUrl}"
             "REDIS_URL=redis://localhost:${toString cfg.redisPort}"
             "CONFIG_PATH=${cfg.configPath}"
             "SOURCEBOT_LOG_LEVEL=${cfg.logLevel}"
             "SOURCEBOT_TENANCY_MODE=single"
-            "SOURCEBOT_AUTH_ENABLED=${boolToString cfg.authEnabled}"
+            "AUTH_CREDENTIALS_LOGIN_ENABLED=${boolToString cfg.authEnabled}"
             "SOURCEBOT_TELEMETRY_DISABLED=${boolToString cfg.telemetryDisabled}"
             "SOURCEBOT_PUBLIC_KEY_PATH=${cfg.package}/public.pem"
-            "AUTH_URL=${cfg.authUrl}"
+            "AUTH_URL=http://${cfg.hostname}:${toString cfg.port}"
           ]
           ++ optional (cfg.envFile == null) [
             "AUTH_SECRET=00000000000000000000000000000000000000000000"
@@ -217,7 +222,7 @@ in {
             "CONFIG_PATH=${cfg.configPath}"
             "SOURCEBOT_LOG_LEVEL=${cfg.logLevel}"
             "SOURCEBOT_TENANCY_MODE=single"
-            "SOURCEBOT_AUTH_ENABLED=${boolToString cfg.authEnabled}"
+            "AUTH_CREDENTIALS_LOGIN_ENABLED=${boolToString cfg.authEnabled}"
             "SOURCEBOT_TELEMETRY_DISABLED=${boolToString cfg.telemetryDisabled}"
             "SOURCEBOT_PUBLIC_KEY_PATH=${cfg.package}/public.pem"
             "AUTH_URL=http://${cfg.hostname}:${toString cfg.port}"