andymboyle/gist:947608

## gistfile1.txt
# This is a basic VCL configuration file for varnish.  See the vcl(7)
# man page for details on VCL syntax and semantics.
#
# Default backend definition.  Set this to point to your content
# server.
#
backend default {
    .host = "50.16.96.248";
    .port = "8000";
}
#
# Below is a commented-out copy of the default VCL logic.  If you
# redefine any of these subroutines, the built-in logic will be
# appended to your code.
#

sub vcl_recv {
     set req.grace = 1m;
     unset req.http.Cookie;
     unset req.http.Authorization;

     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") {
        #/* Non-RFC2616 or CONNECT which is weird. */
        return (pipe);
    }
    if (req.request != "GET" && req.request != "HEAD") {
        #/* We only deal with GET and HEAD by default */
        return (pass);
    }
    if (req.http.Authorization || req.http.Cookie) {
        #/* Not cacheable by default */

    }
    if(req.http.X-No-Cache ~ "YES") {
      return(pass);
   }

  if (req.http.Accept-Encoding) {
    if (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_fetch {

    if (beresp.http.Cache-Control ~ "(no-cache|no-store|private|must-revalidate)") {
     return(pass);
    }
    if(beresp.status >= 300){
        return (pass);
    }
    if (beresp.ttl < 180s){
        set beresp.ttl = 180s;
    }
    set beresp.grace = 1m;
  remove beresp.http.Via;
  remove req.http.cookie;
  remove beresp.http.Set-Cookie;
    if (req.url ~ "\.(css|js|jpg|jpeg|gif|ico|png)$") {
        unset beresp.http.expires;
        set beresp.http.Cache-Control = "public, max-age=300";
  set beresp.http.age = "0";
  set beresp.http.expires = beresp.ttl;
    } else {
        # set beresp.http.cache-control = "private, max-age=0, must-revalidate";
        # set beresp.http.pragma = "no-cache";
    }
  # only cache successful requests
    return(deliver);
}

sub vcl_deliver {
  # This just inserts a diagnostic header to let us know if the content
  # was served via a cache hit, or whether it was a miss.

  if (obj.hits > 0) {
    set resp.http.X-Cache = "HIT";
  } else {
   set resp.http.X-Cache = "MISS";
  }

    return (deliver);
}

sub vcl_error {
    set obj.http.Content-Type = "text/html; charset=utf-8";
    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>
    <address>
       <a href="http://www.varnish-cache.org/">Varnish cache server</a>
    </address>

</body>
</html>
"};
    return (deliver);
}
	# This is a basic VCL configuration file for varnish. See the vcl(7)
	# man page for details on VCL syntax and semantics.
	#
	# Default backend definition. Set this to point to your content
	# server.
	#
	backend default {
	.host = "50.16.96.248";
	.port = "8000";
	}
	#
	# Below is a commented-out copy of the default VCL logic. If you
	# redefine any of these subroutines, the built-in logic will be
	# appended to your code.
	#

	sub vcl_recv {
	set req.grace = 1m;
	unset req.http.Cookie;
	unset req.http.Authorization;

	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") {
	#/* Non-RFC2616 or CONNECT which is weird. */
	return (pipe);
	}
	if (req.request != "GET" && req.request != "HEAD") {
	#/* We only deal with GET and HEAD by default */
	return (pass);
	}
	if (req.http.Authorization \|\| req.http.Cookie) {
	#/* Not cacheable by default */

	}
	if(req.http.X-No-Cache ~ "YES") {
	return(pass);
	}

	if (req.http.Accept-Encoding) {
	if (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_fetch {

	if (beresp.http.Cache-Control ~ "(no-cache\|no-store\|private\|must-revalidate)") {
	return(pass);
	}
	if(beresp.status >= 300){
	return (pass);
	}
	if (beresp.ttl < 180s){
	set beresp.ttl = 180s;
	}
	set beresp.grace = 1m;
	remove beresp.http.Via;
	remove req.http.cookie;
	remove beresp.http.Set-Cookie;
	if (req.url ~ "\.(css\|js\|jpg\|jpeg\|gif\|ico\|png)$") {
	unset beresp.http.expires;
	set beresp.http.Cache-Control = "public, max-age=300";
	set beresp.http.age = "0";
	set beresp.http.expires = beresp.ttl;
	} else {
	# set beresp.http.cache-control = "private, max-age=0, must-revalidate";
	# set beresp.http.pragma = "no-cache";
	}
	# only cache successful requests
	return(deliver);
	}

	sub vcl_deliver {
	# This just inserts a diagnostic header to let us know if the content
	# was served via a cache hit, or whether it was a miss.

	if (obj.hits > 0) {
	set resp.http.X-Cache = "HIT";
	} else {
	set resp.http.X-Cache = "MISS";
	}

	return (deliver);
	}

	sub vcl_error {
	set obj.http.Content-Type = "text/html; charset=utf-8";
	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>
	<address>
	<a href="http://www.varnish-cache.org/">Varnish cache server</a>
	</address>

	</body>
	</html>
	"};
	return (deliver);
	}