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[rails.git] / config / nginx.conf

diff --git a/config/nginx.conf b/config/nginx.conf
index 3de9275fc7344e6992df6461c2784888adc2a17b..ae349b7466c17409059fcc95209753ef656c3ef7 100644 (file)
--- a/config/nginx.conf
+++ b/config/nginx.conf
@@ -1,8 +1,14 @@
+# Run as www-data

 user www-data www-data;
 user www-data www-data;

+
+# Use two worker processes

 worker_processes  2;
 
 worker_processes  2;
 

-error_log  /var/log/nginx/error.log;
-pid        /var/run/nginx.pid;
+# Define PID files
+pid /var/run/nginx.pid;
+
+# Define error log
+error_log /var/log/nginx/error.log;

 
 events {
     # max clients = worker_processes * worker_connections
 
 events {
     # max clients = worker_processes * worker_connections


@@ -10,26 +16,27 @@ events {
 }
 
 http {
 }
 
 http {

-    include       /etc/nginx/mime.types;
+    # Configure MIME types 
+    include /etc/nginx/mime.types;

     default_type  application/octet-stream;
 
     default_type  application/octet-stream;
 

-    #access_log  /var/log/nginx/access.log;
-
-    sendfile        on;
-    #tcp_nopush     on;
+    # Configure network details
+    sendfile on;
+    keepalive_timeout 65;
+    tcp_nodelay on;

 
 

-    #keepalive_timeout  0;
-    keepalive_timeout  65;
-    tcp_nodelay        on;
+    # Define access log
+    access_log /var/log/nginx/access.log;

 
 

-    gzip  on;
+    # Configure compression (text/html is compressed by default)
+    gzip on;

     gzip_min_length 1100;
     gzip_buffers 4 8k;
     gzip_min_length 1100;
     gzip_buffers 4 8k;

-    # text/html is added gzip_types by default

     gzip_types text/plain application/x-javascript application/x-shockwave-flash text/css;
     
     #NO CGI SUPPORT IN NGINX fix stat .pl later
 
     gzip_types text/plain application/x-javascript application/x-shockwave-flash text/css;
     
     #NO CGI SUPPORT IN NGINX fix stat .pl later
 

+    # Define fastcgi backend for web pages

     upstream web_backend {
         server 127.0.0.1:8000;
         server 127.0.0.1:8001;
     upstream web_backend {
         server 127.0.0.1:8000;
         server 127.0.0.1:8001;


@@ -57,12 +64,17 @@ http {
         server 127.0.0.1:8023;
         server 127.0.0.1:8024;
         server 127.0.0.1:8025;
         server 127.0.0.1:8023;
         server 127.0.0.1:8024;
         server 127.0.0.1:8025;

+    }
+
+    # Define fastcgi backend for geocoder searches
+    upstream geocoder_backend {

         server 127.0.0.1:8026;
         server 127.0.0.1:8027;
         server 127.0.0.1:8028;
         server 127.0.0.1:8029;
     }
 
         server 127.0.0.1:8026;
         server 127.0.0.1:8027;
         server 127.0.0.1:8028;
         server 127.0.0.1:8029;
     }
 

+    # Define fastcgi backend for api requests

     upstream api_backend {
         server 127.0.0.1:8030;
         server 127.0.0.1:8031;
     upstream api_backend {
         server 127.0.0.1:8030;
         server 127.0.0.1:8031;


@@ -81,6 +93,7 @@ http {
         server 127.0.0.1:8044;
     }
 
         server 127.0.0.1:8044;
     }
 

+    # Define fastcgi backend for bulk api requests

     upstream bulkapi_backend {
         server 10.0.0.10:8000;
         server 10.0.0.11:8000;
     upstream bulkapi_backend {
         server 10.0.0.10:8000;
         server 10.0.0.11:8000;


@@ -94,46 +107,84 @@ http {
         server 10.0.0.10:8003;
         server 10.0.0.11:8003;
         server 10.0.0.12:8003;
         server 10.0.0.10:8003;
         server 10.0.0.11:8003;
         server 10.0.0.12:8003;

-    }
-    
-    upstream tah_backend {

         server 10.0.0.10:8004;
         server 10.0.0.11:8004;
         server 10.0.0.12:8004;
         server 10.0.0.10:8004;
         server 10.0.0.11:8004;
         server 10.0.0.12:8004;

+    }
+    
+    # Define fastcgi backend for tiles@home requests
+    upstream tah_backend {

         server 10.0.0.10:8005;
         server 10.0.0.11:8005;
         server 10.0.0.12:8005;
     }
 
         server 10.0.0.10:8005;
         server 10.0.0.11:8005;
         server 10.0.0.12:8005;
     }
 

-server {
-        listen   80;
-        server_name  .openstreetmap.org api.openstreetmap.org;
+    server {
+        # Listen on port 80
+        listen 80;
+
+        # Serve rails public files

         root /home/rails/public;
         root /home/rails/public;

+
+        # Use index.html as the index page

         index index.html;
         index index.html;

-        access_log  /var/log/nginx/openstreetmap.org.access.log;
-    
-        include /etc/nginx/fastcgi_params;

 
 

-        #Redirect Historical Links to correct servers
+        # Redirect trac requests for historical reasons

         location /trac/ {
             rewrite ^/trac/(.*)$ http://trac.openstreetmap.org/$1 permanent;
         }
 
         location /trac/ {
             rewrite ^/trac/(.*)$ http://trac.openstreetmap.org/$1 permanent;
         }
 

+        # Redirect wiki requests for historical reasons

         location /wiki/ {
             rewrite ^/wiki/(.*)$ http://wiki.openstreetmap.org/$1 permanent;
         }
 
         location /wiki/ {
             rewrite ^/wiki/(.*)$ http://wiki.openstreetmap.org/$1 permanent;
         }
 

-        location / {
-            allow all; 
+        # Placeholder for blocking abuse
+        include /etc/nginx/blocked_hosts;
+        allow all; 
+
+        # Block some bulk download agents
+        if ($http_user_agent ~* LWP::Simple|downloadosm|BBBike) {
+            return 403;

         }
         }

-    
-        #Handle api.openstreetmap/ -> api.openstreetmap/api/
-        if ($host ~* api\.(.*)) {
+
+        # Block some robots
+        if ($http_user_agent ~* msnbot|twiceler) {
+            return 403;
+        }
+ 
+        # Map api.openstreetmap/0.n/... to api.openstreetmap/api/0.n/...
+        if ($host ~* ^api\.) {

             rewrite ^/(0\.[0-9]+)/(.*)$ /api/$1/$2;
             rewrite ^/(0\.[0-9]+)/(.*)$ /api/$1/$2;

+            rewrite ^/capabilities$ /api/capabilities;

         }
         }

-    
+ 
+        # Strip asset tags
+        location ~ ^/(images|javascripts|openlayers|stylesheets|user/image)/ {
+            # Strip asset tags
+            rewrite ^/(.*)/[0-9]+$ /$1;
+
+            # Set expiry to the maximum - the asset tag will change
+            # when there is a new version
+            expires max;
+
+            # Only cache OpenLayers for seven days though
+            if ($uri ~ ^/openlayers/) {
+                expires 7d;
+            }
+        }
+
+        # Cache the embedded map page for seven days
+        location ~ ^/export/embed.html$ {
+            expires 7d;
+        }
+
+        # Include fastcgi configuration
+        include /etc/nginx/fastcgi_params;
+        fastcgi_param REQUEST_URI $uri;
+
+        # Handle tiles@home requests

         location /api/ {
         location /api/ {

-            include /etc/nginx/fastcgi_params;

             if ($http_user_agent ~ "^tilesAtHome") {
                 #deny all;
                 fastcgi_pass tah_backend;
             if ($http_user_agent ~ "^tilesAtHome") {
                 #deny all;
                 fastcgi_pass tah_backend;


@@ -141,57 +192,75 @@ server {
             }
         }
 
             }
         }
 

+        # Handle bulk api requests

         location ~ ^/api/0\.6/(map|relation|trackpoints|amf|amf/read|swf/trackpoints|trace/[0-9]+/data)$ {
         location ~ ^/api/0\.6/(map|relation|trackpoints|amf|amf/read|swf/trackpoints|trace/[0-9]+/data)$ {

+            fastcgi_read_timeout 300;

             fastcgi_pass bulkapi_backend;
             break;
         }
         
             fastcgi_pass bulkapi_backend;
             break;
         }
         

+        # Send search requests to the bulk api backend

         location ~ ^/api/0\.6/.*/search$ {
         location ~ ^/api/0\.6/.*/search$ {

+            fastcgi_read_timeout 300;

             fastcgi_pass bulkapi_backend;
             break;
         }
 
             fastcgi_pass bulkapi_backend;
             break;
         }
 

+        # Send requests for full objects to the bulk api backend

         location ~ ^/api/0\.6/.*/full$ {
         location ~ ^/api/0\.6/.*/full$ {

+            fastcgi_read_timeout 300;

             fastcgi_pass bulkapi_backend;
             break;
         }
 
             fastcgi_pass bulkapi_backend;
             break;
         }
 

-        # fastcgi Web / Data Browser / Relations etc
+        # Handle the remaining api requests

         location ~ ^/api/0\.6/ {
             fastcgi_pass api_backend;
             break;
         }
 
         location ~ ^/api/0\.6/ {
             fastcgi_pass api_backend;
             break;
         }
 

-        #Deny unknown API version
+        # Deny old and unknown API versions

         location ~ ^/api/0\.[0-9]+/ {
         location ~ ^/api/0\.[0-9]+/ {

-            deny all;
+            return 404;

         }
             
         }
             

-        #Handle Special Case Expiry
-        location ~ ^/(export|openlayers)/ {
-            expires 7d;
+        # Send unversioned capabilities requests to the api backend
+        location = /api/capabilities {
+            fastcgi_pass api_backend;
+            break;

         }
         }

-        location ~ ^/(images|javascripts|stylesheets)/ {
-            expires max;
+
+        # Send geocoder searches to the geocoder backend
+        location /geocoder/ { 
+            fastcgi_pass geocoder_backend;
+            break;

         }
         }

-    
+
+        # Send everything else to the web backend unless it exists
+        # in the rails public tree    

         location / {
             fastcgi_index index.html;
         location / {
             fastcgi_index index.html;

+

             if (!-f $request_filename) {
                 fastcgi_pass web_backend;
                 break;
             }
         }
 
             if (!-f $request_filename) {
                 fastcgi_pass web_backend;
                 break;
             }
         }
 

-        location /crossdomain.xml {
-            default_type text/x-cross-domain-policy;
+        # Set the MIME type for crossdomain.xml policy files
+        # or flash will ignore it
+        location ~ /crossdomain\.xml$ {
+            types {
+                text/x-cross-domain-policy xml;
+            }

         }
 
         }
 

-        #error_page  404  /404.html;
-        # redirect server error pages to the static page /50x.html
-        error_page   500 502 503 504  /50x.html;
-        location = /50x.html {
-            root   /var/www/nginx-default;
+        # Give munin access to some statistics
+        location /server-status {
+            stub_status on;
+            access_log off;
+            allow 127.0.0.1;
+            deny all;

         }
     }
 }
         }
     }
 }