# DO NOT EDIT - This file is being maintained by Chef
upstream tile_cache_backend {
- server 127.0.0.1;
- server 127.0.0.2;
- server 127.0.0.3;
+ server 127.0.0.1:80;
+ server 127.0.0.2:80;
# Add the other caches to relieve pressure if local squid failing
# Balancer: round-robin
<% @caches.each do |cache| -%>
<% if cache[:hostname] != node[:hostname] -%>
-<% if node[:tilecache][:tile_siblings].include? cache[:fqdn] -%>
<% cache.ipaddresses(:family => :inet, :role => :external).sort.each do |address| -%>
- server <%= address %> backup; # Server <%= cache[:hostname] %>
-<% end -%>
+ server <%= address %>:80 backup; # Server <%= cache[:hostname] %>
<% end -%>
<% end -%>
<% end -%>
}
map $http_referer $osm_referer {
- default 0; # False
+ default ''; # False
'~^https:\/\/www\.openstreetmap\.org\/' 'osm'; # True
}
# Limit Cache-Control header to only approved User-Agents
-map $http_user_agent $limit_http_cache_control {
- default ''; # Unset Header
- '~^Mozilla\/5\.0\ QGIS\/' ''; # Unset Header
- '~^Mozilla\/5\.0\ ' $http_cache_control; # Pass Header
+map $osm_referer$http_user_agent $limit_http_cache_control {
+ default ''; # Unset Header
+ '~^osmMozilla\/5\.0\ QGIS\/' ''; # Unset Header
+ '~^osmMozilla\/5\.0\ ' $http_cache_control; # Pass Header
}
# Limit Pragma header to only approved User-Agents
-map $http_user_agent $limit_http_pragma {
- default ''; # Unset Header
- '~^Mozilla\/5\.0\ QGIS\/' ''; # Unset Header
- '~^Mozilla\/5\.0\ ' $http_pragma; # Pass Header
+map $osm_referer$http_user_agent $limit_http_pragma {
+ default ''; # Unset Header
+ '~^osmMozilla\/5\.0\ QGIS\/' ''; # Unset Header
+ '~^osmMozilla\/5\.0\ ' $http_pragma; # Pass Header
}
server {
# Dedicated zoom handler for caching
location /<%= i %>/ {
<% end %>
+ # Only allow GET / HEAD / OPTIONS (CORS) requests
+ limit_except GET HEAD OPTIONS {
+ deny all;
+ }
+
proxy_pass http://tile_cache_backend;
proxy_set_header X-Forwarded-For $remote_addr;
proxy_http_version 1.1;
return 418;
}
- # Only allow cache purges if from OpenStreetMap referer
- if ($osm_referer) {
- # Allow cache purging headers only from select User-Agents (uses nginx Map)
- proxy_set_header Cache-Control $limit_http_cache_control;
- proxy_set_header Pragma $limit_http_pragma;
- }
- # nginx has no if else logic
- if ($osm_referer != 'osm') {
- proxy_set_header Cache-Control '';
- proxy_set_header Pragma '';
- }
-
# Strip any ?query parameters from urls
set $args '';
+
+ # Allow cache purging headers only from select User-Agents (uses nginx Map)
+ proxy_set_header Cache-Control $limit_http_cache_control;
+ proxy_set_header Pragma $limit_http_pragma;
}
<% end %>
}