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h2sky
V2EX  ›  Varnish

怎么处理Varnish 动态输出?

  •  
  •   h2sky · 2013-12-11 14:54:36 +08:00 · 5279 次点击
    这是一个创建于 3760 天前的主题,其中的信息可能已经有所发展或是发生改变。
    <?php
    echo rand(1,99);
    ?>

    输出的是43,之后输出的还是43,需要过1分钟左右再更新

    怎么办?
    6 条回复    1970-01-01 08:00:00 +08:00
    Livid
        1
    Livid  
    MOD
       2013-12-11 14:56:57 +08:00   ❤️ 1
    试试加上这个?

    header('Cache-Control: no-cache');
    rails3
        2
    rails3  
       2013-12-11 15:06:20 +08:00   ❤️ 1
    varnish 可以根据url或后缀判断是否缓存
    h2sky
        3
    h2sky  
    OP
       2013-12-11 15:31:09 +08:00
    @Livid 没效果

    @rails3 怎么设置?
    rails3
        4
    rails3  
       2013-12-11 15:38:25 +08:00
    @h2sky

    backend default {
    .host = "172.16.7.23";
    .port = "9091";
    }


    sub vcl_recv {

    if (req.request == "CACHEPURGE") {
    ban("req.http.host == " + regsub(req.http.host, ":6081", "") + " && req.url == " + req.url);
    error 200 "Ban added";
    }

    if (req.request == "CACHEPURGEDIRECTORY") {
    ban("req.http.host == " + regsub(req.http.host, ":6081", "") + " && req.url ~ " + req.url);
    error 200 "Ban added";
    }

    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.host ~ "(.*)domain.com") {
    set req.backend = default;
    }

    if (req.http.host == "domain.com") {
    set req.http.host = "www.domain.com";
    }

    if (req.url ~ "\.(jsp|action)$") {
    return (pass);
    }

    if (req.url ~ "(.*)/(\?.*)?$") {
    set req.url = regsub(req.url, "(.*)/(\?.*)?$", "\1/");
    }

    if (req.url ~ "\.html?.*") {
    set req.url = regsub(req.url, "\.html?.*", "\.html");
    }

    if (req.url ~ "/index.html$") {
    set req.url = regsub(req.url, "/index.html", "/");
    }

    if (req.http.Accept-Encoding) {
    if (req.url ~ "\.(jpg|jpeg|gif|png|ico|css|zip|tgz|gz|rar|bz2|pdf|txt|tar|wav|bmp|rtf|js|flv|swf|htm|html)$") {
    remove req.http.Accept-Encoding;
    unset req.http.Cookie;
    unset req.http.Vary;
    } elsif (req.http.Accept-Encoding ~ "gzip") {
    set req.http.Accept-Encoding = "gzip";
    } elsif (req.http.Accept-Encoding ~ "deflate") {
    set req.http.Accept-Encoding = "deflate";
    } else {
    remove req.http.Accept-Encoding;
    }
    }


    return (lookup);
    }

    sub vcl_pipe {
    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);
    }
    return (hash);
    }

    sub vcl_hit {
    if (req.request == "CACHEPURGE" || req.request == "CACHEPURGEDIRECTORY") {
    purge;
    error 200 "Purged.";
    }
    return (deliver);
    }

    sub vcl_miss {
    if (req.request == "CACHEPURGE" || req.request == "CACHEPURGEDIRECTORY") {
    purge;
    error 200 "Purged.";
    }
    return (fetch);
    }

    sub vcl_fetch {
    if (beresp.ttl <= 0s ||
    beresp.http.Set-Cookie ||
    beresp.http.Vary == "*") {
    set beresp.ttl = 120 s;
    return (hit_for_pass);
    }

    if (beresp.status == 404 || beresp.status == 503 || beresp.status == 500 || beresp.status == 502) {
    set beresp.http.X-Cacheable = "NO: beresp.status";
    set beresp.http.X-Cacheable-status = beresp.status;
    return (hit_for_pass);
    }

    if (req.url ~ "\.(html|htm)$") {
    set beresp.do_gzip = true;
    if (req.url ~ "/list_") {
    set beresp.ttl = 600s;
    } else {
    set beresp.ttl = 8h;
    }
    } else if (req.url ~ "\.(jpg|jpeg|gif|png|ico|css|zip|tgz|gz|rar|bz2|pdf|txt|tar|wav|bmp|rtf|js|flv|swf)$") {
    set beresp.ttl = 8h;
    } else {
    set beresp.ttl = 8h;
    }

    return (deliver);
    }

    sub vcl_deliver {
    set resp.http.x-hits = obj.hits ;
    if (obj.hits > 0) {
    set resp.http.X-Cache = "HIT You!";
    } else {
    set resp.http.X-Cache = "MISS Me!";
    }

    remove resp.http.X-Varnish;
    remove resp.http.Via;
    remove resp.http.Age;
    remove resp.http.Server;
    remove resp.http.X-Powered-By;

    return (deliver);
    }

    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>kuakao cache server</p>
    </body>
    </html>
    "};
    return (deliver);
    }

    sub vcl_init {
    return (ok);
    }

    sub vcl_fini {
    return (ok);
    }
    rails3
        5
    rails3  
       2013-12-11 15:39:54 +08:00   ❤️ 1
    @h2sky .jsp 或 .action 结尾的直接把请求发到后端处理。
    Livid
        6
    Livid  
    MOD
       2013-12-12 06:05:25 +08:00
    嗯,看来是我天真了:

    https://drupal.org/node/1418908
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