imagery: attempt to make tile serving more resilient to errors

[chef.git] / cookbooks / imagery / templates / default / nginx_imagery.conf.erb

diff --git a/cookbooks/imagery/templates/default/nginx_imagery.conf.erb b/cookbooks/imagery/templates/default/nginx_imagery.conf.erb
index fa0a652b5483c67f12c3bb011a19d3036a3461d7..106ce22d6e88820bc7b8a299487341e3fe2c0b27 100644 (file)
--- a/cookbooks/imagery/templates/default/nginx_imagery.conf.erb
+++ b/cookbooks/imagery/templates/default/nginx_imagery.conf.erb
@@ -1,29 +1,35 @@
 server {
     listen 80;
+    listen [::]:80;
     server_name <%= @name %> a.<%= @name %> b.<%= @name %> c.<%= @name %><% @aliases.each do |alias_name| %> <%= alias_name %> a.<%= alias_name %> b.<%= alias_name %> c.<%= alias_name %><%- end -%>;
 
     rewrite ^/\.well-known/acme-challenge/(.*)$ http://acme.openstreetmap.org/.well-known/acme-challenge/$1 permanent;
     return 301 https://$host$request_uri;
 }
 
+<% if @uses_tiler -%>
+upstream tiler_backend {
+    server 127.0.0.1:8080 max_fails=0;
+
+    keepalive 32;
+}
+<% else -%>
 upstream <%= @name %>_fastcgi {
-    server "unix:/var/run/mapserver-fastcgi/layer-<%= @name %>-0.socket" max_fails=0;
-    server "unix:/var/run/mapserver-fastcgi/layer-<%= @name %>-1.socket" max_fails=0;
-    server "unix:/var/run/mapserver-fastcgi/layer-<%= @name %>-2.socket" max_fails=0;
-    server "unix:/var/run/mapserver-fastcgi/layer-<%= @name %>-3.socket" max_fails=0;
-    server "unix:/var/run/mapserver-fastcgi/layer-<%= @name %>-4.socket" max_fails=0;
-    server "unix:/var/run/mapserver-fastcgi/layer-<%= @name %>-5.socket" max_fails=0;
-    server "unix:/var/run/mapserver-fastcgi/layer-<%= @name %>-6.socket" max_fails=0;
-    server "unix:/var/run/mapserver-fastcgi/layer-<%= @name %>-7.socket" max_fails=0;
+    server "unix:/var/run/mapserver-fastcgi/layer-<%= @name %>.socket" max_fails=0;
 
     # Use default round-robin to distribute requests, rather than pick "fast" but maybe faulty.
     # Do not use keepalive
 }
+<% end -%>
 
 server {
-    listen 443 ssl deferred backlog=16384 reuseport fastopen=2048 http2;
+    listen 443 ssl http2;
+    listen [::]:443 ssl http2;
     server_name <%= @name %> a.<%= @name %> b.<%= @name %> c.<%= @name %><% @aliases.each do |alias_name| %> <%= alias_name %> a.<%= alias_name %> b.<%= alias_name %> c.<%= alias_name %><%- end -%>;
 
+    http2_max_concurrent_streams 512;
+    keepalive_timeout 10s;
+
     ssl_certificate /etc/ssl/certs/<%= @name %>.pem;
     ssl_certificate_key /etc/ssl/private/<%= @name %>.key;
 <% if node[:ssl][:strict_transport_security] -%>