1、安装varnish
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rpm -ivh http:
//mirrors
.opencas.cn
/epel/epel-release-latest-7
.noarch.rpm
yum
install
-y varnish
systemctl start varnish
systemctl
enable
varnish
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2、设置监听端口
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vim
/etc/varnish/varnish
.params
VARNISH_LISTEN_PORT=6081
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3、设置后端服务器
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vim
/etc/varnish/default
.vcl
backend default {
.host =
"172.16.1.21"
;
.port =
"80"
;
}
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4、配置VCL文件
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#
# This is an example VCL file for Varnish.
#
# It does not do anything by default, delegating control to the
# builtin VCL. The builtin VCL is called when there is no explicit
# return statement.
#
# See the VCL chapters in the Users Guide at https://www.varnish-cache.org/docs/
# and https://www.varnish-cache.org/trac/wiki/VCLExamples for more examples.
# Marker to tell the VCL compiler that this VCL has been adapted to the
# new 4.0 format.
vcl 4.0;
# Default backend definition. Set this to point to your content server.
backend default {
.host =
"127.0.0.1"
;
.port =
"80"
;
}
sub vcl_recv {
# Happens before we check if we have this in cache already.
#
# Typically you clean up the request here, removing cookies you don't need,
# rewriting the request, etc.
if
(req.url ~
"\.(php|asp|aspx|jsp|do|ashx|shtml)($|\?)"
) {
return
(pass);
}
if
(req.url ~
"\.(css|js|html|htm|bmp|png|gif|jpg|jpeg|ico|gz|tgz|bz2|tbz|zip|rar|mp3|mp4|ogg|swf|flv)($|\?)"
) {
unset
req.http.cookie;
return
(
hash
);
}
if
(req.restarts == 0) {
if
(req.http.x-forwarded-
for
) {
set
req.http.X-Forwarded-For = req.http.X-Forwarded-For +
", "
+ client.ip;
}
else
{
set
req.http.X-Forwarded-For = client.ip;
}
}
if
(req.http.Cache-Control ~
"(?i)no-cache"
) {
if
(!(req.http.Via || req.http.User-Agent ~
"(?i)bot"
|| req.http.X-Purge)) {
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.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.http.Upgrade ~
"(?i)websocket"
) {
return
(pipe);
}
if
(req.http.x-pipe && req.restarts > 0) {
unset
req.http.x-pipe;
return
(pipe);
}
return
(
hash
);
}
sub vcl_pipe {
if
(req.http.upgrade) {
set
bereq.http.upgrade = req.http.upgrade;
}
return
(pipe);
}
sub vcl_pass {
if
(req.method ==
"PURGE"
) {
return
(synth(502,
"PURGE on a passed object."
));
}
}
sub vcl_hash {
hash_data(req.url);
if
(req.http.host) {
hash_data(req.http.host);
}
else
{
hash_data(server.ip);
}
if
(req.http.Cookie) {
hash_data(req.http.Cookie);
}
if
(req.http.Accept-Encoding ~
"gzip"
) {
hash_data(
"gzip"
);
} elseif (req.http.Accept-Encoding ~
"deflate"
) {
hash_data(
"deflate"
);
}
}
sub vcl_hit {
if
(req.method ==
"PURGE"
) {
return
(synth(200,
"Purged."
));
}
if
(obj.ttl >= 0s) {
return
(deliver);
}
return
(deliver);
}
sub vcl_miss {
if
(req.method ==
"PURGE"
) {
return
(synth(404,
"Purged."
));
}
return
(fetch);
}
sub vcl_backend_response {
# Happens after we have read the response headers from the backend.
#
# Here you clean the response headers, removing silly Set-Cookie headers
# and other mistakes your backend does.
}
sub vcl_purge {
if
(req.method !=
"PURGE"
) {
set
req.http.X-Purge =
"Yes"
;
return
(restart);
}
}
#设置检查是否命中X-Cache
sub vcl_deliver {
if
(obj.hits > 0) {
set
resp.http.X-Cache =
"HIT"
;
}
else
{
set
resp.http.X-Cache =
"MISS"
;
}
unset
resp.http.X-Powered-By;
unset
resp.http.Server;
unset
resp.http.Via;
unset
resp.http.X-Varnish;
unset
resp.http.Age;
}
|
5、使用chrome浏览器是否命中
参考博文：http://sofar.blog.51cto.com/353572/1653683/
本文转自1321385590 51CTO博客，原文链接：http://blog.51cto.com/linux10000/1747881，如需转载请自行联系原作者
