varnish缓存三：VCL配置示例

我公司当前线上varnish配置示例：

#backend default { #.host = "127.0.0.1"; #.port = "8080"; #} backend s360_01 { .host = "192.168.0.114"; .port = "18286"; .probe = {        .url = "/";        .interval = 5s;        .timeout = 1 s;        .window = 5;        .threshold = 3; } } backend s360_02 { .host = "192.168.0.115"; .port = "18286"; .probe = {        .url = "/";        .interval = 5s;        .timeout = 1 s;        .window = 5;        .threshold = 3; } } backend swdj_01 { .host = "192.168.0.114"; .port = "8092"; .probe = {        .url = "/";        .interval = 5s;        .timeout = 1 s;        .window = 5;        .threshold = 3; } } backend swdj_02 { .host = "192.168.0.115"; .port = "8092"; .probe = {        .url = "/";        .interval = 5s;        .timeout = 1 s;        .window = 5;        .threshold = 3; } } backend bf_01 { .host = "192.168.0.111"; .port = "18282"; .probe = {        .url = "/";        .interval = 5s;        .timeout = 1 s;        .window = 5;        .threshold = 3; } } backend bf_02 { .host = "192.168.0.112"; .port = "18282"; .probe = {        .url = "/";        .interval = 5s;        .timeout = 1 s;        .window = 5;        .threshold = 3; } } backend zsoft_01 { .host = "192.168.0.111"; .port = "8090"; .probe = {        .url = "/";        .interval = 5s;        .timeout = 1 s;        .window = 5;        .threshold = 3; } } backend zsoft_02 { .host = "192.168.0.112"; .port = "8090"; .probe = {        .url = "/";        .interval = 5s;        .timeout = 1 s;        .window = 5;        .threshold = 3; } } director s360 random { {.backend = s360_01; .weight = 5;} {.backend = s360_02; .weight = 5;} } director wdj random { {.backend = swdj_01; .weight = 5;} {.backend = swdj_02; .weight = 5;} } director bf random { {.backend = bf_01; .weight = 5;} {.backend = bf_02; .weight = 5;} } director zsoft random { {.backend = zsoft_01; .weight = 5;} {.backend = zsoft_02; .weight = 5;} } acl local{ "localhost"; "127.0.0.1"; "192.168.0.0"/24; } sub vcl_recv { if(req.url ~ "^/s360/") { set req.backend = s360; }else if(req.url ~ "^/swdj/"){ set req.backend = wdj; }else if(req.url ~ "^/bf/"){ set req.backend = bf; }else if(req.url ~ "^/zsoft/"){ set req.backend = zsoft; #}else{ #set req.backend = default. } 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.Accept-Encoding) { if (req.url ~ "\.(jpg|png|gif|jpeg|flv)" ) { remove req.http.Accept-Encoding; remove req.http.Cookie; } else if (req.http.Accept-Encoding ~ "gzip") { set req.http.Accept-Encoding = "gzip"; } else if (req.http.Accept-Encoding ~ "deflate") { set req.http.Accept-Encoding = "deflate"; } else { remove req.http.Accept-Encoding; } } if (req.request != "GET" && req.request != "HEAD" && req.request != "PUT" && req.request != "POST" && req.request != "TRACE" && req.request != "OPTIONS" && req.request != "DELETE") {        return (pipe); }    if (req.request != "GET" && req.request != "HEAD") { return (pass); } if(req.http.Authenticate || req.http.Authorization) { return (pass); } if(req.request == "PURGE"){ if(!client.ip ~ local){ error 405 "Not Allowed."; } return (lookup); } if(req.request == "GET" && req.url ~ "\.(jpg|png|gif|swf|jpeg|ico|js|mp4|css)$"){ unset req.http.cookie; set req.url = regsub(req.url, "\?.*$", ""); } set req.grace = 15s; 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_miss { if(req.request == "PURGE") { error 404 "not in cache."; } return (fetch); } sub vcl_hit { if(req.request == "PURGE"){ purge; error 200 "purged"; } return (deliver); } sub vcl_fetch { if (beresp.http.Pragma ~"no-cache" || beresp.http.Cache-Control ~"no-cache" || beresp.http.Cache-Control ~"private") { return (deliver); } if (beresp.status == 404 || beresp.status == 300){ error 404; } if (req.request == "GET" && req.url ~ "^/s360(.*)$") {      set beresp.ttl = 3600s;   } if (req.request == "GET" && req.url ~ "^/swdj(.*)$") {            set beresp.ttl = 43200s;        } if (req.request == "GET" && req.url ~ "^/bf(.*)$") {            set beresp.ttl = 43200s;        } if (req.request == "GET" && req.url ~ "^/zsoft(.*)$") {            set beresp.ttl = 43200s;        } if (req.request == "GET" && req.url ~ ".(html|htm)$"){ set beresp.ttl = 1d; } if (req.request == "GET" && req.url ~ "\.(png|xsl|xml|pdf|ppt|doc|docx|chm|rar|zip|bmp|jpeg|swf|ico|mp3|mp4|rmvb|ogg|mov|avi|wmv|swf|txt|png|gif|jpg|css|js|html|htm)$") {   set beresp.ttl = 7d;   } set beresp.grace = 30m; return(deliver); } sub vcl_deliver { set resp.http.x-hits = obj.hits; if(obj.hits > 0){ set resp.http.X-Cache = " HIT 360"; }else{ set resp.http.X-Cache = "MISS 360"; } unset resp.http.X-Powered-By; unset resp.http.Server; 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>Varnish cache server</p>   </body> </html> "};     return (deliver); } sub vcl_init {   return (ok); } sub vcl_fini {   return (ok); }