From 054f98fc340d67189ab91c771cb5bb8d77018bf1 Mon Sep 17 00:00:00 2001
From: Tom Hubrecht <tom.hubrecht@dgnum.eu>
Date: Wed, 14 Feb 2024 11:15:46 +0100
Subject: [PATCH] feat(redirections): Add more precise redirection for retired
 websites, to make analytics relevant

---
 machines/web01/redirections.nix   | 39 ++++++++++++++-----------------
 machines/web01/static/default.nix |  2 ++
 2 files changed, 20 insertions(+), 21 deletions(-)

diff --git a/machines/web01/redirections.nix b/machines/web01/redirections.nix
index 1da0855..b6189d5 100644
--- a/machines/web01/redirections.nix
+++ b/machines/web01/redirections.nix
@@ -9,7 +9,11 @@ let
       builtins.map
         (name: {
           inherit name;
-          value.to = retired_host;
+          value = {
+            enableACME = true;
+            forceSSL = true;
+            locations."/".return = "301 https://${retired_host}/${name}";
+          };
         })
         hosts
     );
@@ -17,6 +21,15 @@ let
   mkSub = domain: builtins.map (s: "${s}.${domain}");
   mkSubs = attrs: builtins.concatLists (builtins.attrValues (builtins.mapAttrs mkSub attrs));
 
+  mkRedirection =
+    _:
+    { to }:
+    {
+      globalRedirect = to;
+      enableACME = true;
+      forceSSL = true;
+    };
+
   redirections = {
     "calendrier.eleves.ens.fr".to = "calendrier.dgnum.eu";
     "docs.beta.rz.ens.wtf".to = "pads.dgnum.eu";
@@ -26,7 +39,7 @@ let
     "rdv.dgnum.eu".to = "meet.dgnum.eu";
     "www.bda.ens.fr".to = "bda.ens.fr";
     "bda.wp.dgnum.eu".to = "bda.ens.fr";
-  } // (mkRetired retired);
+  };
 
   retired = mkSubs {
     "ens.fr" = [
@@ -53,23 +66,7 @@ let
   };
 in
 {
-  services.nginx.virtualHosts =
-    {
-      ${retired_host}.default = true;
-    }
-    // (builtins.mapAttrs
-      (
-        _:
-        {
-          to,
-          ssl ? true,
-        }:
-        {
-          globalRedirect = to;
-          enableACME = ssl;
-          forceSSL = ssl;
-        }
-      )
-      redirections
-    );
+  services.nginx.virtualHosts = {
+    ${retired_host}.default = true;
+  } // (builtins.mapAttrs mkRedirection redirections) // (mkRetired retired);
 }
diff --git a/machines/web01/static/default.nix b/machines/web01/static/default.nix
index 3454b5d..6ff068f 100644
--- a/machines/web01/static/default.nix
+++ b/machines/web01/static/default.nix
@@ -23,6 +23,8 @@ in
   services.nginx.virtualHosts = recursiveUpdate (builtins.mapAttrs mkVhost websites) {
     "eleves.dgnum.eu".locations."/".tryFiles = "$uri $uri/index.html /fr/$uri /en/$uri /fr/index.html";
 
+    "retired.dgnum.eu".locations."/".tryFiles = "/index.html =404";
+
     "simi.normalesup.eu" = {
       enableACME = true;
       forceSSL = true;