proper switching for landing

1 files changed, 12 insertions, 4 deletions

diff --git a/etc/nginx/sites-enabled/test.site b/etc/nginx/sites-enabled/test.site
index a06e57b..1409f3f 100644
--- a/etc/nginx/sites-enabled/test.site
+++ b/etc/nginx/sites-enabled/test.site
@@ -18,20 +18,28 @@ server {
   rewrite /javascript /javascript.html break;
   include conf.d/test.redirects;
   include conf.d/talerssl;
-  if ($http_x_taler_deployment_color ~ "green|blue") {
-    rewrite .* @$http_x_taler_deployment_color last;
-  }
   location @green {
     add_header X-Taler-Deployment-Color green;
     uwsgi_pass unix:/home/test-green/sockets/landing.uwsgi;
     include /etc/nginx/uwsgi_params;
   }
   location @blue {
-    add_header X-Taler-Deployment-Color green;
+    add_header X-Taler-Deployment-Color blue;
     uwsgi_pass unix:/home/test-blue/sockets/landing.uwsgi;
     include /etc/nginx/uwsgi_params;
   }
   location / {
+    # Redirection technique explainted at
+    # https://www.nginx.com/resources/wiki/start/topics/depth/ifisevil/
+    error_page 418 = @blue;
+    error_page 419 = @green;
+    recursive_error_pages on;
+    if ($http_x_taler_deployment_color ~ "blue") {
+      return 418;
+    }
+    if ($http_x_taler_deployment_color ~ "green") {
+      return 419;
+    }
     uwsgi_pass unix:/home/test/sockets/landing.uwsgi;
     include /etc/nginx/uwsgi_params;
   }