From 7cd46a05943bfd86a46a3d99a1d85a2a028d4d2c Mon Sep 17 00:00:00 2001
From: Robin Gloster <mail@glob.in>
Date: Sat, 15 Apr 2017 23:21:44 +0200
Subject: nginx module: add proxyResolveWhileRunning option

---
 nixos/modules/services/web-servers/nginx/default.nix | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/nixos/modules/services/web-servers/nginx/default.nix b/nixos/modules/services/web-servers/nginx/default.nix
index 249b660d8c68..a9ee6255fd40 100644
--- a/nixos/modules/services/web-servers/nginx/default.nix
+++ b/nixos/modules/services/web-servers/nginx/default.nix
@@ -223,7 +223,13 @@ let
   ) virtualHosts);
   mkLocations = locations: concatStringsSep "\n" (mapAttrsToList (location: config: ''
     location ${location} {
-      ${optionalString (config.proxyPass != null) "proxy_pass ${config.proxyPass};"}
+      ${optionalString (config.proxyPass != null && !cfg.proxyResolveWhileRunning)
+        "proxy_pass ${config.proxyPass};"
+      }
+      ${optionalString (config.proxyPass != null && cfg.proxyResolveWhileRunning) ''
+        set $nix_proxy_target "${config.proxyPass}";
+        proxy_pass $nix_proxy_target;
+      ''}
       ${optionalString config.proxyWebsockets ''
         proxy_http_version 1.1;
         proxy_set_header Upgrade $http_upgrade;
@@ -426,6 +432,16 @@ in
         description = "Path to DH parameters file.";
       };
 
+      proxyResolveWhileRunning = mkOption {
+        type = types.bool;
+        default = false;
+        description = ''
+          Resolves domains of proxyPass targets at runtime
+          and not only at start, you have to set
+          services.nginx.resolver, too.
+        '';
+      };
+
       resolver = mkOption {
         type = types.submodule {
           options = {
-- 
cgit 1.4.1