# DO NOT EDIT - This file is being maintained by Chef
upstream tile_cache_backend {
- server 127.0.0.1:8080;
- server 127.0.0.2:8080;
+ server 127.0.0.1:8080 weight=1000 max_fails=32;
+ server 127.0.0.2:8080 weight=1000 max_fails=32;
- # Add the other caches to relieve pressure if local squid failing
+ # Add the tile_siblings caches to relieve pressure if local squid failing
# Balancer: round-robin
+<% server_weight = 1000 -%>
+<% Array(@node[:tilecache][:tile_siblings]).each do |cache_peer| -%>
<% @caches.each do |cache| -%>
+<% if cache_peer == cache[:fqdn] -%>
<% if cache[:hostname] != node[:hostname] -%>
<% cache.ipaddresses(:family => :inet, :role => :external).sort.each do |address| -%>
- server <%= address %>:80 backup; # Server <%= cache[:hostname] %>
+ server <%= address %>:80 weight=<%= server_weight %> max_fails=32 backup; # Server <%= cache[:hostname] %>
+<% server_weight -= server_weight.div(2) -%>
+<% end -%>
+<% end -%>
<% end -%>
<% end -%>
<% end -%>
- keepalive 512;
- keepalive_requests 1024;
+ keepalive 128;
}
# Geo Map of tile caches
geo $tile_cache {
- default 0;
+ default "client";
<% @caches.each do |cache| -%>
<% cache.ipaddresses(:family => :inet, :role => :external).sort.each do |address| -%>
- <%= address %> 1; # <%= cache[:hostname] %>
+ <%= address %> "cache"; # <%= cache[:hostname] %>
<% end -%>
<% end -%>
}
'~^Java\/' 1; # Library Default
'~^tiles$' 1; # Library Default
'~^okhttp\/' 1; # Library Default
- '~^Microsoft-ATL-Native\/' 1; #Library Default
+ '~^Microsoft-ATL-Native\/' 1; # Library Default
'/n software IPWorks HTTP/S Component - www.nsoftware.com' 1; #Library default
- '~^Wget\/' 1; #Library Default
+ '~^Wget\/' 1; # Library Default
'C# TilesDownloader' 1; # Downloader
'MapDownloader' 1; # Downloader
'~^staticmaps' 1; # Downloader
'com.soft373.taptaxi' 1;
'com.kradac.ktxcore' 1;
'ru.crowdsystems.topcontrol.knd' 1;
+ 'pl.itaxi.driver' 1;
+ 'net.uztaxi.driver' 1;
+ 'OSMDroid/2.1 (its; rutaxi 3.28.0)' 1;
+ 'com.helleniccomms.mercedes.driver' 1;
+ 'ru.taximaster.www' 1;
+ 'com.arobs.trackgps' 1;
+ 'com.helleniccomms.asteras.driver' 1;
+ # '~[a-f0-9]{8}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{12}' 1; # Fake UA
}
map $http_referer $denied_referer {
}
# Limit Cache-Control header to only approved User-Agents
-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
+map $tile_cache$osm_referer$http_user_agent $limit_http_cache_control {
+ default ''; # Unset Header
+ '~^clientosmMozilla\/5\.0\ \(X11' $http_cache_control; # Pass Header
+ '~^clientosmMozilla\/5\.0\ \(Windows' $http_cache_control; # Pass Header
+ '~^clientosmMozilla\/5\.0\ \(iPhone' $http_cache_control; # Pass Header
+ '~^clientosmMozilla\/5\.0\ \(Macintosh' $http_cache_control; # Pass Header
+ '~^clientosmMozilla\/5\.0\ \(Linux' $http_cache_control; # Pass Header
}
# Limit Pragma header to only approved User-Agents
-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
+map $tile_cache$osm_referer$http_user_agent $limit_http_pragma {
+ default ''; # Unset Header
+ '~^clientosmMozilla\/5\.0\ \(X11' $http_pragma; # Pass Header
+ '~^clientosmMozilla\/5\.0\ \(Windows' $http_pragma; # Pass Header
+ '~^clientosmMozilla\/5\.0\ \(iPhone' $http_pragma; # Pass Header
+ '~^clientosmMozilla\/5\.0\ \(Macintosh' $http_pragma; # Pass Header
+ '~^clientosmMozilla\/5\.0\ \(Linux' $http_pragma; # Pass Header
+}
+
+# Find Browser User-Agents which are not sending a referer.
+# Browsers with no referer could be due to Browser extension or website Referrer-Policy
+map $tile_cache$http_referer$scheme$http_user_agent $deny_missing_referer {
+ default 0; # Not denied
+ '~^clienthttpsMozilla\/5\.0\ \(X11' 1;
+ '~^clienthttpsMozilla\/5\.0\ \(Windows' 1;
+ '~^clienthttpsMozilla\/5\.0\ \(iPhone' 1;
+ '~^clienthttpsMozilla\/5\.0\ \(Macintosh' 1;
+ '~^clienthttpsMozilla\/5\.0\ \(Linux' 1;
}
server {
# Immediately 404 layers we do not support
<% for i in 20..99 do %>
location /<%= i %>/ {
- set $limit_rate 512;
return 404;
}
<% end %>
# Immediately 404 silly tile requests
location = /0/0/-1.png {
- set $limit_rate 512;
return 404;
}
location = /1/0/-1.png {
- set $limit_rate 512;
return 404;
}
location = /1/-1/0.png {
- set $limit_rate 512;
return 404;
}
location = /1/-1/1.png {
- set $limit_rate 512;
return 404;
}
location = /1/-1/-1.png {
- set $limit_rate 512;
return 404;
}
location = /1/-1/2.png {
- set $limit_rate 512;
return 404;
}
location = /1/1/-1.png {
- set $limit_rate 512;
return 404;
}
location = /1/2/-1.png {
- set $limit_rate 512;
return 404;
}
location = /2/0/-1.png {
- set $limit_rate 512;
return 404;
}
location = /2/-1/0.png {
- set $limit_rate 512;
return 404;
}
location = /2/-1/1.png {
- set $limit_rate 512;
return 404;
}
location = /2/1/-1.png {
- set $limit_rate 512;
return 404;
}
location = /2/-1/2.png {
- set $limit_rate 512;
return 404;
}
location = /2/-1/3.png {
- set $limit_rate 512;
return 404;
}
proxy_connect_timeout 20s;
+ proxy_next_upstream_tries 2;
+
# Replace host header.
proxy_set_header Host 'tile.openstreetmap.org';
# Do not pass cookies to backends.
proxy_cache_revalidate on;
proxy_cache_min_uses 4;
- add_header x-cache-status $upstream_cache_status;
+ add_header x-cache-status "$upstream_cache_status - <%= node[:hostname] %>";
+<% else %>
+ # Severely rate limit Browser UAs which are not sending a referer.
+ # With no referer we do not know who is using tiles
+ if ($deny_missing_referer) {
+ set $limit_rate 1024;
+ add_header x-cache-ratelimit "missing-referer";
+ }
<% end -%>
# Set a QoS cookie if none presented (uses nginx Map)