Create default.vcl

Author: zoglun

default.vcl

@@ -0,0 +1,305 @@
+include "devicedetect.vcl";
+import std;
+
+# set default backend if no server cluster specified
+
+backend MainPHP {
+    .host = "";
+    .port = "8080";
+	.first_byte_timeout = 60s;
+
+}
+
+backend HHVM {
+    .host = "";
+    .port = "80";
+	.first_byte_timeout = 60s;
+		.probe = {
+		.url = "/Mainpage";
+		.timeout = 5s; 
+		.interval = 10s;
+		.window = 3;
+		.threshold = 2;
+		}
+	
+}
+
+director MoegirlphpGroup client {
+        {
+                .backend = MainPHP;
+                .weight = 1;
+        }
+        {
+                .backend = HHVM;
+                .weight = 999;
+        }
+}
+
+
+# access control list for "purge": open to only localhost and other local nodes
+acl purge {
+	"localhost";
+	"";
+	"";
+}
+
+
+ 
+# vcl_recv is called whenever a request is received 
+sub vcl_recv {
+
+
+        # Serve objects up to 2 minutes past their expiry if the backend
+        # is slow to respond.
+        set req.grace = 120s;
+		
+		if (req.restarts == 0) {
+			if (req.http.x-forwarded-for) {
+				set req.http.X-Forwarded-For = req.http.X-Forwarded-For;
+			} else {
+				set req.http.X-Forwarded-For = client.ip;
+			}
+		}
+		 
+	#手机跳转判断，先判定再重新bits.moegirl.org，顺序不能反
+	if (req.http.host == "zh.moegirl.org"){
+		if(req.http.Cookie !~ "direct_mobile") {
+			call devicedetect;
+			if (req.http.X-UA-Device ~ "^mobile" || req.http.X-UA-device ~ "^tablet") {
+				error 750 "Moved Temporarily";
+			}	
+		}else if(req.http.Cookie ~ "direct_mobile=1" && req.url !~ "no_direct$") {
+			error 751 "Moved Temporarily";
+		}
+	}
+
+	#判断转发给哪台机子
+	
+
+		if (! (req.http.host ~ "zh\.moegirl\.org" || req.http.host ~ "bits\.moegirl\.org") ){  #非zh.moegirl.org bits.moegirl.org的请求丢回旧机处理
+			set req.backend = MainPHP;
+        }else{
+            set req.backend = MoegirlphpGroup; #如果请求的是一般页面浏览
+			
+			# 健康时HHVM，挂了回源MainPHP
+			#  if( req.backend.healthy )  {
+			#	set req.backend = HHVM;
+			#  } else {
+			#	set req.backend = MainPHP;
+			#  }
+        }
+		
+
+	#把bits.moegirl.org/XX/load.php 重定向到 XX.moegirl.org/load.php
+	if (req.http.host ~ "bits\.moegirl\.org" && req.url~ "^/\w+/load\.php") {
+		set req.http.host = regsub(req.url, "^/(\w+)/.*", "\1") + ".moegirl.org";
+		set req.url = regsub(req.url, "^/(\w+)/", "/");
+		}
+ 
+        # This uses the ACL action called "purge". Basically if a request to
+        # PURGE the cache comes from anywhere other than localhost, ignore it.
+        if (req.request == "PURGE") {
+			if (!client.ip ~ purge) {
+				error 405 "Not allowed.";
+			}
+            return(lookup);
+		}
+ 
+        # Pass any requests that Varnish does not understand straight to the backend.
+        if (req.request != "GET" && req.request != "HEAD" &&
+            req.request != "PUT" && req.request != "POST" &&
+            req.request != "TRACE" && req.request != "OPTIONS" &&
+            req.request != "DELETE") 
+            {return(pipe);}     /* Non-RFC2616 or CONNECT which is weird. */
+ 
+        # Pass anything other than GET and HEAD directly.
+        if (req.request != "GET" && req.request != "HEAD")
+           {return(pass);}      /* We only deal with GET and HEAD by default */
+		   
+		
+		#pass any request with "special:"
+		if (req.url ~ "Special:" || req.url ~ "特別:") {
+			return(pass);
+		}
+		
+		
+		if (req.http.Cookie ~ "UserID") {
+			if (!req.url ~ "^/load\.php") {
+				return (pass);
+			}
+		} else {
+			unset req.http.Cookie;
+		}
+
+
+        # Pass any requests with the "If-None-Match" header directly.
+        if (req.http.If-None-Match)
+           {return(pass);}
+		 
+ 
+        # Force lookup if the request is a no-cache request from the client.
+        if (req.http.Cache-Control ~ "no-cache")
+           {ban_url(req.url);}
+ 
+        # normalize Accept-Encoding to reduce vary
+		if (req.http.Accept-Encoding) {
+			if (req.url ~ "\.(jpg|png|gif|gz|tgz|bz2|tbz|mp3|ogg)$") {
+				# No point in compressing these
+				remove req.http.Accept-Encoding;
+				##too large for our poor RAM
+				#return(pass);
+			} elsif (req.http.Accept-Encoding ~ "gzip") {
+				set req.http.Accept-Encoding = "gzip";
+			} elsif (req.http.Accept-Encoding ~ "deflate" && req.http.user-agent !~ "MSIE") {
+				set req.http.Accept-Encoding = "deflate";
+			} else {
+				# unkown algorithm
+				remove req.http.Accept-Encoding;
+			}
+		}
+ 
+        return(lookup);
+}
+ 
+sub vcl_pipe {
+    # Note that only the first request to the backend will have
+    # X-Forwarded-For set.  If you use X-Forwarded-For and want to
+    # have it set for all requests, make sure to have:
+    # set req.http.connection = "close";
+ 
+	# This is otherwise not necessary if you do not do any request rewriting.
+    set req.http.connection = "close";
+}
+
+
+sub vcl_hash {
+    hash_data(req.url);
+    if (req.http.host) {
+        hash_data(req.http.host);
+    } else {
+        hash_data(server.ip);
+    }
+    return (hash);
+}
+ 
+# Called if the cache has a copy of the page.
+sub vcl_hit {
+        if (req.request == "PURGE") 
+            {ban_url(req.url);
+            error 200 "Purged";}
+ 
+        if (!obj.ttl > 0s)
+           {return(pass);}
+}
+ 
+# Called if the cache does not have a copy of the page.
+sub vcl_miss {
+        if (req.request == "PURGE") 
+           {error 200 "Not in cache";}
+}
+ 
+# Called after a document has been successfully retrieved from the backend.
+sub vcl_fetch {
+	set beresp.http.X-Backend = beresp.backend.name;
+
+
+#   让Vary 只包含 Accept-Encoding 和 Cookie, 防止产生过多的cache object
+    if (beresp.http.Vary) {
+      if (beresp.http.Vary ~ "Accept-Encoding") {
+        set beresp.http.tempVary = "Accept-Encoding";
+      }
+      if (beresp.http.Vary ~ "Cookie") {
+        if (beresp.http.tempVary) {
+          set beresp.http.tempVary = beresp.http.tempVary + ",Cookie";
+        } else {
+          set beresp.http.tempVary = "Cookie";
+        }
+      }
+
+      if (beresp.http.tempVary) {
+        set beresp.http.Vary = beresp.http.tempVary;
+        remove beresp.http.tempVary;
+      } else {
+        remove beresp.http.Vary;
+      }
+    }
+
+		
+        # set minimum timeouts to auto-discard stored objects
+#       set beresp.prefetch = -30s;
+        set beresp.grace = 120s;
+ 
+        if (beresp.ttl < 48h) {
+          set beresp.ttl = 48h;}
+ 
+        if (!beresp.ttl > 0s) 
+            {return(hit_for_pass);}
+ 
+         if ( ! beresp.http.Set-Cookie ) {
+             set beresp.ttl = 1h;
+             return (deliver);}
+
+#       if (beresp.http.Cache-Control ~ "(private|no-cache|no-store)") 
+#           {return(hit_for_pass);}
+ 
+        if (req.http.Authorization && !beresp.http.Cache-Control ~ "public") 
+            {return(hit_for_pass);}
+
+ }
+
+ 
+sub vcl_deliver {
+	
+    if (obj.hits > 0) {
+            set resp.http.X-Cache = "HIT";
+    } else {
+            set resp.http.X-Cache = "MISS";
+    }
+}
+
+sub vcl_error {
+	if(obj.status == 750) {
+		set obj.http.Content-Type = "text/html; charset=utf-8"; 
+		synthetic {"
+   <html>
+    <head>
+     <script language="javascript">
+       <!--
+         function confirmation() {
+			var d = new Date();
+			d.setTime(d.getTime()+(60*60*1000));
+			var expires = "expires="+d.toGMTString();
+			var msg_text = unescape("%u70B9%u51FB%22%u786E%u5B9A%22%u8DF3%u8F6C%u5230%u624B%u673A%u7248%u9875%u9762%uFF0C%u70B9%u51FB%22%u53D6%u6D88%22%u7EE7%u7EED%u8BBF%u95EE");
+           //var answer = confirm("Press \"OK\" to be redirected to the mobile page or \"Cancel\" to continue.");
+		   var answer = confirm(msg_text);
+           if (answer) {
+			document.cookie = "direct_mobile=1; " + expires;
+             window.location = "http://m.moegirl.org"} + req.url + {"";
+           }
+           else { 
+			 document.cookie = "direct_mobile=0; " + expires;
+             window.location = "http://zh.moegirl.org"} + req.url + {"";
+           }
+         } //-->
+      </script>
+    </head>
+    <body onload="confirmation();">
+      <p></p>
+    </body>
+  </html>
+    "};
+		set obj.status = 200;
+		return(deliver);
+	} else if(obj.status == 751) {
+		set obj.http.Location = "http://m.moegirl.org" + req.url;
+		set obj.status = 302;
+		return(deliver);
+	}
+	
+	# For 500 error 500错误用设置
+#	if (obj.status >= 500 && obj.status <= 505) {
+#		synthetic(std.fileread("/etc/varnish/50X.html"));
+#		return(deliver);
+#	}
+    return (deliver);
+}