# DO NOT EDIT - This file is being maintained by Chef
upstream tile_cache_backend {
- server 127.0.0.1;
+ server 127.0.0.1;
+
+ # 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 -%>
+<% end -%>
+<% end -%>
+<% end -%>
- keepalive 32;
+ keepalive 256;
+}
+
+# Geo Map of tile caches
+geo $tile_cache {
+ default 0;
+<% @caches.each do |cache| -%>
+<% cache.ipaddresses(:family => :inet, :role => :external).sort.each do |address| -%>
+ <%= address %> 1; # <%= cache[:hostname] %>
+<% end -%>
+<% end -%>
}
# Rates table based on current cookie value
}
map $http_user_agent $approved_scraper {
- default ''; # Not approved
- '~^JOSM\/' 'JOSM';
- '~^Mozilla\/5\.0\ QGIS\/' 'QGIS';
+ default 0; # Not approved
+ '~^JOSM\/' 1; # JOSM
+ '~^Mozilla\/5\.0\ QGIS\/' 1; # QGIS
+}
+
+map $http_user_agent $denied_scraper {
+ default 0; # Not denied
+ '~^Python\-urllib\/' 1; # Library Default
+ '~^python\-requests\/' 1; # Library Default
+ '~^R$' 1; # Library Default
+ '~^Java\/' 1; # Library Default
+ '~^tiles$' 1; # Library Default
+ '~^Dalvik\/' 1; # Library Default
+ '~^runtastic' 1; # App
+ 'Mozilla/4.0' 1; # Fake
+ 'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)' 1; # Fake
+}
+
+map $http_referer $denied_referer {
+ default 0; # Not denied
+ 'http://www.openstreetmap.org/' 1; # Faked
+ 'http://www.openstreetmap.org' 1; # Faked
+ 'http://openstreetmap.org/' 1; # Faked
+ 'http://openstreetmap.org' 1; # Faked
+ 'http://www.osm.org/' 1; # Faked
+ 'http://www.osm.org' 1; # Faked
+ 'http://osm.org/' 1; # Faked
+ 'http://osm.org' 1; # Faked
}
# Limit Cache-Control header to only approved User-Agents
proxy_connect_timeout 5s;
+ # Preserve host header.
+ proxy_set_header Host $host;
# Do not pass cookies to backends.
proxy_set_header Cookie '';
# Do not pass Accept-Encoding to backends.
# Allow Higher Traffic Rate from Approved User-Agents which do not support cookies (uses nginx Map)
if ($approved_scraper) {
- set $limit_rate 32768;
+ set $limit_rate 65536;
+ }
+
+ if ($denied_scraper) {
+ set $limit_rate 512;
+ return 429;
+ }
+ if ($denied_referer) {
+ set $limit_rate 512;
+ return 418;
}
# Strip any ?query parameters from urls