From 789324923be16ecf84c206d640e863a3f2e22a13 Mon Sep 17 00:00:00 2001
From: Katherina Walshe-Grey <git@qenya.tel>
Date: Fri, 7 Mar 2025 22:02:34 +0000
Subject: [PATCH] orm: install postgres

---
 hosts/orm/default.nix | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/hosts/orm/default.nix b/hosts/orm/default.nix
index 5ee04f6..a61d998 100644
--- a/hosts/orm/default.nix
+++ b/hosts/orm/default.nix
@@ -25,6 +25,7 @@
   randomcat.services.zfs.datasets = {
     "rpool_orm/state" = { mountpoint = "none"; };
     "rpool_orm/state/actual" = { mountpoint = "/var/lib/actual"; };
+    "rpool_orm/state/postgresql" = { mountpoint = "/var/lib/postgresql"; };
   };
 
   services.sanoid.datasets."rpool_orm/state" = {
@@ -33,6 +34,27 @@
     process_children_only = true;
   };
 
+  services.postgresql = {
+    enable = true;
+    package = pkgs.postgresql_17;
+    dataDir = "/var/lib/postgresql/17";
+    # managing imperatively instead of using ensureDatabases/ensureUsers
+
+    enableTCPIP = true;
+    settings = {
+      port = 5432;
+      ssl = true;
+    };
+    # only allow remote connections from within birdsong vpn
+    # TODO: don't hardcode the IP addresses
+    authentication = pkgs.lib.mkOverride 10 ''
+      #type database  DBuser  auth-method
+      host  sameuser  all     10.127.0.0/16 scram-sha-256
+      host  sameuser  all     fd70:81ca:f8f::/48 scram-sha-256
+    '';
+  };
+  networking.firewall.interfaces."wg-birdsong".allowedTCPPorts = [ 5432 ];
+
   qenya.services.actual.enable = true;
 
   system.stateVersion = "23.11";