Pimore Varnish Default Configuration

pimcore.vcl

# This is a basic VCL configuration file for varnish.  See the vcl(7)
# man page for details on VCL syntax and semantics.
# 
backend default {
    .host = "127.0.0.1";
    .port = "8000";
    # health check: every 5 secs, sliding window of 5 checks of which 3 must be good
    .probe = {
        .url = "/";
        .interval = 5s;
        .timeout = 1s;
        .window = 5;
        .threshold = 3;
    }
}

# another backend:
backend nodejs {
    .host = "127.0.0.1";
    .port = "8001";
}

sub vcl_recv {

    # strip google analytics cookies
    if (req.http.Cookie) {
        # removes all cookies named __utm? (utma, utmb...) - tracking thing
        set req.http.Cookie = regsuball(req.http.Cookie, "(^|; ) *__utm.=[^;]+;? *", "\1");

        if (req.http.Cookie == "") {
            remove req.http.Cookie;
        }
    }

    # add another header if we got a request via pound (SSL forwarding)
    # @todo this needs to be improved!
    if (req.http.x-forwarded-for) {
        set req.http.X-Forwarded-For-2 = req.http.X-Forwarded-For;
    }

    # Rewrite all requests to /node/ to nodejs backend:
    if (req.url ~ "^/node/") {
        set req.http.host = "127.0.0.1";
        set req.http.port = 8001;
        set req.backend = nodejs;
        remove req.http.Cookie;
        return(lookup);
    }

    if (! req.backend.healthy) {
        # allow serving of up to 30min old objects if the backend
        # is down
        set req.grace = 30m;
    } else {
        # allow serving of up to 30sec old objects in order to
        # fight flashmobs and not overloading the backend
        set req.grace = 30s;
    }

    # large file workaround (see below)
    if (req.http.x-pipe && req.restarts > 0) {
        remove req.http.x-pipe;
        return (pipe);
    }

    # cookie handling for pimcore frontend step 1
    if(req.http.Cookie ~ "(pimcore_admin_sid|PHPSESSID)" || req.url ~ "(PHPSESSID|pimcore_admin_sid)" || req.url ~ "nocache") {
       set req.http.X-Forwarded-For = client.ip;
       return(pass);
    }

    # cookie handling for pimcore backend step 2
    if ( !( req.url ~ "^/admin/") ) {
        unset req.http.Cookie;
    }
}

sub vcl_fetch {

    # keep items in the cache for up to 30min beyond TTL
    set beresp.grace = 30m;

    # Requests w/ auth headers always pass the cache, direct backend!
    if (req.http.Authorization) {
         return(hit_for_pass);
    }

    # large file workaround: dont cache files >10mb
    # http://education.nixsupport.com/2012/10/varnish-reports-error-503-for-large.html
    if (beresp.http.Content-Length ~ "[0-9]{8,}" ) {
        set req.http.x-pipe = "1";
        return (restart);
    } 
}