Varnish cache for Magento

Varnish cache for Magento 实际方案

1. Magento 1.8.1+

2. Extension Aoe_Static

3. Extension Phoenix_VarnishCache

4. VCL for varnish 3.0+

backend megento1 {  .host = "192.168.0.101";  .port = "80";}backend megento2 {  .host = "192.168.0.102";  .port = "80";}# add another backend here#  Load balancedirector megento random {        {                .backend = megento1;                .weight = 1;        }        {                .backend = megento2;                .weight = 1;        }}#backend default {#  .host = "127.0.0.1";#  .port = "8080";#}# admin backend with longer timeout values. Set this to the same IP & port as your default server.backend admin {  .host = "192.168.1.111";  .port = "80";  .first_byte_timeout = 18000s;  .between_bytes_timeout = 18000s;}# add your Magento server IP to allow purges from the backendacl purge {  "localhost";  "127.0.0.1";  "192.168.1.112";}import std;sub vcl_recv {    set req.backend = megento;    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.request != "GET" &&        req.request != "HEAD" &&        req.request != "PUT" &&        req.request != "POST" &&        req.request != "TRACE" &&        req.request != "OPTIONS" &&        req.request != "DELETE" &&        req.request != "PURGE") {        /* Non-RFC2616 or CONNECT which is weird. */        return (pipe);    }    # purge request    if (req.request == "PURGE") {        if (!client.ip ~ purge) {            error 405 "Not allowed.";        }        ban("obj.http.X-Purge-Host ~ " + req.http.X-Purge-Host + " && obj.http.X-Purge-URL ~ " + req.http.X-Purge-Regex + " && obj.http.Content-Type ~ " + req.http.X-Purge-Content-Type);        error 200 "Purged.";    }    # switch to admin backend configuration    if (req.http.cookie ~ "adminhtml=") {        set req.backend = admin;    }    # we only deal with GET and HEAD by default    if (req.request != "GET" && req.request != "HEAD") {        return (pass);    }    # normalize url in case of leading HTTP scheme and domain    set req.url = regsub(req.url, "^http[s]?://[^/]+", "");    # collect all cookies    std.collect(req.http.Cookie);    # static files are always cacheable. remove SSL flag and cookie    if (req.url ~ "^/(media|js|skin)/.*\.(png|jpg|jpeg|gif|css|js|swf|ico)$") {        unset req.http.Https;        unset req.http.Cookie;    }    # not cacheable by default    if (req.http.Authorization || req.http.Https) {        return (pass);    }    # do not cache any page from index files    if (req.url ~ "^/(index)") {        return (pass);    }    # do not cache exchange action    if (req.url ~ "exchange") {        return (pass);    }    # as soon as we have a NO_CACHE cookie pass request    if (req.http.cookie ~ "NO_CACHE=") {        return (pass);    }    # remove Google gclid parameters    set req.url = regsuball(req.url,"\?gclid=[^&]+$",""); # strips when QS = "?gclid=AAA"    set req.url = regsuball(req.url,"\?gclid=[^&]+&","?"); # strips when QS = "?gclid=AAA&foo=bar"    set req.url = regsuball(req.url,"&gclid=[^&]+",""); # strips when QS = "?foo=bar&gclid=AAA" or QS = "?foo=bar&gclid=AAA&bar=baz"    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 bereq.http.connection = "close";#     # here.  It is not set by default as it might break some broken web#     # applications, like IIS with NTLM authentication.#     return (pipe);# }## sub vcl_pass {#     return (pass);# }#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 ~ "PAGECACHE_ENV=") {        set req.http.pageCacheEnv = regsub(            req.http.cookie,            "(.*)PAGECACHE_ENV=([^;]*)(.*)",            "\2"        );        hash_data(req.http.pageCacheEnv);        remove req.http.pageCacheEnv;    }    if (!(req.url ~ "^/(media|js|skin)/.*\.(png|jpg|jpeg|gif|css|js|swf|ico)$")) {        call design_exception;    }    return (hash);}## sub vcl_hit {#     return (deliver);# }## sub vcl_miss {#     return (fetch);# }sub vcl_fetch {    if (beresp.status == 500) {       set beresp.saintmode = 10s;       return (restart);    }    set beresp.grace = 5m;    # enable ESI feature if needed    if (beresp.http.X-Cache-DoEsi == "1") {        set beresp.do_esi = true;    }    # add ban-lurker tags to object    set beresp.http.X-Purge-URL = req.url;    set beresp.http.X-Purge-Host = req.http.host;    if (beresp.status == 200 || beresp.status == 301 || beresp.status == 404) {        if (beresp.http.Content-Type ~ "text/html" || beresp.http.Content-Type ~ "text/xml") {            if ((beresp.http.Set-Cookie ~ "NO_CACHE=") || (beresp.ttl < 1s)) {                set beresp.ttl = 0s;                return (hit_for_pass);            }            # marker for vcl_deliver to reset Age:            set beresp.http.magicmarker = "1";            # Don't cache cookies            unset beresp.http.set-cookie;        } else {            # set default TTL value for static content            set beresp.ttl = 4h;        }        return (deliver);    }    return (hit_for_pass);}sub vcl_deliver {    # debug info    #if (resp.http.X-Cache-Debug) {        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";        }        set resp.http.X-Cache-Expires = resp.http.Expires;   # } else {        # remove Varnish/proxy header        #remove resp.http.X-Varnish;        #remove resp.http.Via;        #remove resp.http.Age;        #remove resp.http.X-Purge-URL;        #remove resp.http.X-Purge-Host;    #}    if (resp.http.magicmarker) {        # Remove the magic marker        unset resp.http.magicmarker;        set resp.http.Cache-Control = "no-store, no-cache, must-revalidate, post-check=0, pre-check=0";        set resp.http.Pragma = "no-cache";        set resp.http.Expires = "Mon, 31 Mar 2008 10:00:00 GMT";        set resp.http.Age = "0";    }}# sub vcl_error {#     set obj.http.Content-Type = "text/html; charset=utf-8";#     set obj.http.Retry-After = "5";#     synthetic {"# <?xml version="1.0" encoding="utf-8"?># <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"#  "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"># <html>#   <head>#     <title>"} + obj.status + " " + obj.response + {"</title>#   </head>#   <body>#     <h1>Error "} + obj.status + " " + obj.response + {"</h1>#     <p>"} + obj.response + {"</p>#     <h3>Guru Meditation:</h3>#     <p>XID: "} + req.xid + {"</p>#     <hr>#     <p>Varnish cache server</p>#   </body># </html># "};#     return (deliver);# }## sub vcl_init {#   return (ok);# }## sub vcl_fini {#   return (ok);# }sub design_exception {}