From 64a204d1a7300d60aa4665415ab043e42cde0f74 Mon Sep 17 00:00:00 2001
From: illustris <rharikrishnan95@gmail.com>
Date: Fri, 18 Mar 2022 16:18:00 +0530
Subject: [PATCH] nixos/proxmox-lxc: use hostname provided by proxmox

---
 nixos/modules/virtualisation/proxmox-lxc.nix | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/nixos/modules/virtualisation/proxmox-lxc.nix b/nixos/modules/virtualisation/proxmox-lxc.nix
index 3913b474afb..9b9f99e5b81 100644
--- a/nixos/modules/virtualisation/proxmox-lxc.nix
+++ b/nixos/modules/virtualisation/proxmox-lxc.nix
@@ -20,6 +20,15 @@ with lib;
         configuration from proxmox.
       '';
     };
+    manageHostName = mkOption {
+      type = types.bool;
+      default = false;
+      description = ''
+        Whether to manage hostname through nix options
+        When false, the hostname is picked up from /etc/hostname
+        populated by proxmox.
+      '';
+    };
   };
 
   config =
@@ -50,6 +59,8 @@ with lib;
         useDHCP = false;
         useHostResolvConf = false;
         useNetworkd = true;
+        # pick up hostname from /etc/hostname generated by proxmox
+        hostName = mkIf (!cfg.manageHostName) (mkForce "");
       };
 
       services.openssh = {