Add nix-infra-machine

2026-09-17 02:12:55 +02:00 · 2026-03-15 18:31:53 +01:00
parent 28ea6f4a47
commit 1034986fa1
79 changed files with 14465 additions and 0 deletions
@@ -0,0 +1,70 @@
+{ config, pkgs, lib, ... }:
+let
+  appName = "postgresql";
+  appPort = 5432;
+
+  cfg = config.infrastructure.${appName};
+in
+{
+  options.infrastructure.${appName} = {
+    enable = lib.mkEnableOption "infrastructure.postgresql";
+
+    package = lib.mkOption {
+      type = lib.types.package;
+      description = "PostgreSQL package to use.";
+      default = pkgs.postgresql_16;
+      example = "pkgs.postgresql_15";
+    };
+
+    bindToIp = lib.mkOption {
+      type = lib.types.str;
+      description = "IP address to bind.";
+      default = "127.0.0.1";
+    };
+
+    bindToPort = lib.mkOption {
+      type = lib.types.int;
+      description = "Port to bind.";
+      default = appPort;
+    };
+
+    initialDatabases = lib.mkOption {
+      type = lib.types.listOf lib.types.str;
+      description = "List of databases to create on initialization.";
+      default = [];
+      example = [ "myapp" "testdb" ];
+    };
+
+    authentication = lib.mkOption {
+      type = lib.types.lines;
+      description = "pg_hba.conf authentication rules.";
+      default = ''
+        # TYPE  DATABASE        USER            ADDRESS                 METHOD
+        local   all             all                                     trust
+        host    all             all             127.0.0.1/32            trust
+        host    all             all             ::1/128                 trust
+      '';
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    services.postgresql = {
+      enable = true;
+      package = cfg.package;
+      enableTCPIP = true;
+      
+      authentication = cfg.authentication;
+
+      settings = {
+        port = lib.mkDefault cfg.bindToPort;
+        listen_addresses = lib.mkDefault cfg.bindToIp;
+      };
+
+      # Create initial databases if specified
+      ensureDatabases = cfg.initialDatabases;
+    };
+
+    # Open firewall for PostgreSQL if binding to non-localhost
+    networking.firewall.allowedTCPPorts = lib.mkIf (cfg.bindToIp != "127.0.0.1") [ cfg.bindToPort ];
+  };
+}