Bypass cache when add to cart ?

Xavier Cardil Coll info at elsitar.com
Thu Dec 24 00:24:43 CET 2015


thank you so much for this information,  I will get hands down with it.

2015-12-23 22:35 GMT+01:00 Tobias Honacker <t.honacker at googlemail.com>:

> Hi Xavier,
>
> maybe this snippet will help you
>
> Cookie: https://github.com/lkarsten/libvmod-cookie
> Query String: https://github.com/Dridi/libvmod-querystring
>
> default.vcl:
>
> import cookie;
> import querystring;
>
> sub vcl_recv:
>
> if (req.url ~ "^/random/url") {
>     cookie.parse(req.http.Cookie);
>    cookie.filter_except("cookie_woocommerce");
>     if ((cookie.isset("cookie_woocommerce")) {
>       return(pass);
>     } else {
>       return(hash);
>     }
> } // to get the value out of the cookie -> cookie.get("woocommerce") !=
> "false"
>
> and something like this
>
>  set req.url = querystring.sort(req.url);
>  set req.url = querystring.filter(req.url, "query_string");
>  ... do some magic
>
> 2015-12-23 21:05 GMT+01:00 Guillaume Quintard <
> guillaume at varnish-software.com>:
>
>>
>> On Dec 23, 2015 20:51, "Xavier Cardil Coll" <info at elsitar.com> wrote:
>> >
>> > No one knows then ? Not even a hint or something ?
>> >
>> > 2015-12-23 13:15 GMT+01:00 Xavier Cardil Coll <info at elsitar.com>:
>> >>
>> >> Also, how to write a function to bypass cache entirely when a user
>> logs in ?
>> >>
>> >> 2015-12-23 12:39 GMT+01:00 Xavier Cardil Coll <info at elsitar.com>:
>> >>>
>> >>> On Nginx cache, you can do this to avoid keep on caching when you add
>> something to the cart in Woocommerce :
>> >>>
>> >>> Skip cache for WooCommerce query string
>> >>>
>> >>> if ( $arg_add-to-cart != "" ) {
>> >>>       set $skip_cache 1;
>> >>> }
>> >>>
>> >>> Skip cache when WooCommerce cart is not empty
>> >>>
>> >>> if ( $cookie_woocommerce_items_in_cart != "0" ) {
>> >>>     set $skip_cache 1;
>> >>> }
>> >>>
>> >>> How can you do this in Varnish ? With this config, wich was made
>> specifically for Wordpress + Woocommerce, when you add something to cart,
>> cache is not disable store wide so you get a mix of cached and non cache
>> pages, cart gets emptied : http://pastebin.com/TuYeMtUZ
>> >>>
>> >>>
>> >>> --
>> >>>
>> >>> ELSITAR
>> >>>
>> >>>
>> >>
>> >>
>> >>
>> >> --
>> >>
>> >> ELSITAR
>> >>
>> >>
>> >
>> >
>> >
>> > --
>> >
>> > ELSITAR
>> >
>> >
>> >
>> > _______________________________________________
>> > varnish-misc mailing list
>> > varnish-misc at varnish-cache.org
>> > https://www.varnish-cache.org/lists/mailman/listinfo/varnish-misc
>>
>> Chill out, most of the people are in vacation :-)
>>
>> So, in varnish, by default, if the request contains a cookie, the cache
>> is bypassed.
>>
>> But you can also force a pass, for example if the request contains a
>> "foo-bar" header like so :
>>
>> sub vcl_recv {
>>    if (req.http.foo-bar) {
>>       return (pass);
>>    }
>> }
>>
>> For your needs, look at the query string and cookie vmods, it will allow
>> to really fine-tune your workflow.
>>
>> And should you need more help, we are here :-)
>>
>> _______________________________________________
>> varnish-misc mailing list
>> varnish-misc at varnish-cache.org
>> https://www.varnish-cache.org/lists/mailman/listinfo/varnish-misc
>>
>
>


-- 

ELSITAR
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://www.varnish-cache.org/lists/pipermail/varnish-misc/attachments/20151224/55f2daa9/attachment-0001.html>


More information about the varnish-misc mailing list