vcl 4.0;
import
directors;
probe www_probe {
.url =
"/"
;
}
backend default {
.host =
"192.168.0.31"
;
.port =
"80"
;
}
backend web1 {
.host =
"192.168.0.31"
;
.port =
"80"
;
.connect_timeout = 2s;
.first_byte_timeout = 10s;
.between_bytes_timeout = 1s;
.probe = www_probe;
}
backend web2 {
.host =
"192.168.0.32"
;
.port =
"80"
;
.connect_timeout = 2s;
.first_byte_timeout = 10s;
.between_bytes_timeout = 1s;
.probe = www_probe;
}
backend img1 {
.host =
"192.168.0.33"
;
.port =
"80"
;
.connect_timeout = 2s;
.first_byte_timeout = 10s;
.between_bytes_timeout = 1s;
.probe = www_probe;
}
backend img2 {
.host =
"192.168.0.34"
;
.port =
"80"
;
.connect_timeout = 2s;
.first_byte_timeout = 10s;
.between_bytes_timeout = 1s;
.probe = www_probe;
}
sub vcl_init {
new web_cluster = directors.round_robin();
web_cluster.add_backend(web1);
web_cluster.add_backend(web2);
new img_cluster = directors.random();
img_cluster.add_backend(img1, 10);
img_cluster.add_backend(img2, 5);
}
acl purgers {
"127.0.0.1"
;
"192.168.0.0"
/24
;
}
sub vcl_recv {
if
(req.url ~
"\.(php|asp|aspx|jsp|do|ashx|shtml)($|\?)"
) {
set
req.backend_hint = web2;
}
if
(req.url ~
"\.(bmp|png|gif|jpg|jpeg|ico|gz|tgz|bz2|tbz|zip|rar|mp3|mp4|ogg|swf|flv)$"
) {
set
req.backend_hint = img_cluster.backend();
}
if
(req.url ~
"\.(html|htm|css|js)"
) {
set
req.backend_hint = web1;
}
if
(req.method ==
"PURGE"
) {
if
(!client.ip ~ purgers) {
return
(synth(405,
"Purging not allowed for "
+ client.ip));
}
return
(purge);
}
if
(req.method !=
"GET"
&&
req.method !=
"HEAD"
&&
req.method !=
"PUT"
&&
req.method !=
"POST"
&&
req.method !=
"TRACE"
&&
req.method !=
"OPTIONS"
&&
req.method !=
"PATCH"
&&
req.method !=
"DELETE"
) {
return
(pipe);
}
if
(req.method !=
"GET"
&& req.method !=
"HEAD"
) {
return
(pass);
}
if
(req.url ~
"\.(php|asp|aspx|jsp|do|ashx|shtml)($|\?)"
) {
return
(pass);
}
if
(req.http.Authorization) {
return
(pass);
}
if
(req.http.Accept-Encoding) {
if
(req.url ~
"\.(bmp|png|gif|jpg|jpeg|ico|gz|tgz|bz2|tbz|zip|rar|mp3|mp4|ogg|swf|flv)$"
) {
unset
req.http.Accept-Encoding;
} elseif (req.http.Accept-Encoding ~
"gzip"
) {
set
req.http.Accept-Encoding =
"gzip"
;
} elseif (req.http.Accept-Encoding ~
"deflate"
) {
set
req.http.Accept-Encoding =
"deflate"
;
}
else
{
unset
req.http.Accept-Encoding;
}
}
if
(req.url ~
"\.(css|js|html|htm|bmp|png|gif|jpg|jpeg|ico|gz|tgz|bz2|tbz|zip|rar|mp3|mp4|ogg|swf|flv)($|\?)"
) {
unset
req.http.cookie;
return
(
hash
);
if
(req.restarts == 0) {
if
(req.http.X-Fowarded-For) {
set
req.http.X-Forwarded-For = req.http.X-Forwarded-For +
","
+ client.ip;
}
else
{
set
req.http.X-Forwarded-For = client.ip;
}
}
}
}
sub vcl_pass {
return
(fetch);
}
sub vcl_backend_fetch {
return
(fetch);
}
sub vcl_hash {
hash_data(req.url);
if
(req.http.host) {
hash_data(req.http.host);
}
else
{
hash_data(server.ip);
}
return
(lookup);
}
sub vcl_hit {
if
(req.method ==
"PURGE"
) {
return
(synth(200,
"Purged."
));
}
return
(deliver);
}
sub vcl_miss {
if
(req.method ==
"PURGE"
) {
return
(synth(404,
"Purged."
));
}
return
(fetch);
}
sub vcl_backend_response {
set
beresp.grace = 5m;
if
(beresp.status == 499 || beresp.status == 404 || beresp.status == 502) {
set
beresp.uncacheable =
true
;
}
if
(beresp.http.content-
type
~
"text"
) {
set
beresp.do_gzip =
true
;
}
if
(bereq.url ~
"\.(php|jsp)(\?|$)"
) {
set
beresp.uncacheable =
true
;
}
else
{
//
自定义缓存文件的缓存时长，即TTL值
if
(bereq.url ~
"\.(css|js|html|htm|bmp|png|gif|jpg|jpeg|ico)($|\?)"
) {
set
beresp.ttl = 15m;
unset
beresp.http.Set-Cookie;
} elseif (bereq.url ~
"\.(gz|tgz|bz2|tbz|zip|rar|mp3|mp4|ogg|swf|flv)($|\?)"
) {
set
beresp.ttl = 30m;
unset
beresp.http.Set-Cookie;
}
else
{
set
beresp.ttl = 10m;
unset
beresp.http.Set-Cookie;
}
return
(deliver);
}
}
sub vcl_deliver {
if
(obj.hits > 0) {
set
resp.http.X-Cache =
"HIT"
;
set
resp.http.X-Cache-Hits = obj.hits;
}
else
{
set
resp.http.X-Cache =
"MISS"
;
}
unset
resp.http.X-Powered-By;
unset
resp.http.Server;
unset
resp.http.X-Drupal-Cache;
unset
resp.http.Via;
unset
resp.http.Link;
unset
resp.http.X-Varnish;
set
resp.http.xx_restarts_count = req.restarts;
set
resp.http.xx_Age = resp.http.Age;
set
resp.http.hit_count = obj.hits;
unset
resp.http.Age;
return
(deliver);
}
sub vcl_purge {
return
(synth(200,
"success"
));
}
/* sub vcl_backend_error {
if
(beresp.status == 500 ||
beresp.status == 501 ||
beresp.status == 502 ||
beresp.status == 503 ||
beresp.status == 504) {
return
(retry);
}
}
*/
sub vcl_fini {
return
(ok);
}
