varnish 2.15 - default set to cache nothing except two urls?

[Mike Franon]

Thank you!  I forgot about that...

so now my vcl looks like this and it works!!


Thanks again for the help.

sub vcl_recv {
if (req.url ~ "^/$" || req.url ~ "^/sample"){
                unset req.http.cookie;
                return(lookup);
}

else {
                return(pass);
}

}
sub vcl_fetch {
    if (req.url ~ "^/$" || req.url ~ "^/sample"){
        set beresp.ttl = 300s;
        set beresp.http.cache-control = "public, max-age = 300";
        set beresp.http.X-CacheReason = "varnishcache";
        unset beresp.http.set-cookie;
        return(deliver);
    }
}


On Fri, Feb 11, 2011 at 9:49 AM, Caunter, Stefan <scaunter at topscms.com>wrote:

> It’s matching everything, the regex is unanchored.
>
>
>
> You need
>
>
>
> if (req.url ~ “^/$”){
>
>
>
> Stefan Caunter
>
> Operations
>
> Torstar Digital
>
> m: (416) 561-4871
>
>
>
>
>
> *From:* varnish-misc-bounces at varnish-cache.org [mailto:
> varnish-misc-bounces at varnish-cache.org] *On Behalf Of *Mike Franon
> *Sent:* February-11-11 9:45 AM
>
> *To:* varnish-misc at varnish-cache.org
> *Subject:* Re: varnish 2.15 - default set to cache nothing except two
> urls?
>
>
>
> Great thanks,
>
> got one more question  If I do this it caches everything,  it never gets to
> the else return(pass), the reason I have the if set that way is I want it to
> cache the home page but if the client clicks on anything else once they get
> to home page, not to cache and send the cookie.
>
> Thanks again.
>
> :
>
> sub vcl_recv {
> if (req.url ~ "/"){
>                 unset req.http.cookie;
>                 return(lookup);
> }
>
> else {
>                 return(pass);
> }
>
> }
> sub vcl_fetch {
>     if (req.url ~ "/"){
>         set beresp.ttl = 300s;
>         set beresp.http.cache-control = "public, max-age = 300";
>         set beresp.http.X-CacheReason = "varnishcache";
>         unset beresp.http.set-cookie;
>         return(deliver);
>     }
> }
>
>
>
>
> On Fri, Feb 11, 2011 at 9:29 AM, Caunter, Stefan <scaunter at topscms.com>
> wrote:
>
> The difference is that in recv it is a “req” from the client. Unsetting it
> “strips” the cookie, and makes the request cacheable.
>
>
>
> In fetch it is indeed “beresp” (back end response), so you are
> removing/changing HTTP headers from your web server. I’ve added a max-age to
> control client browser behaviour in the example too.
>
>
>
> Stefan Caunter
>
> Operations
>
> Torstar Digital
>
> m: (416) 561-4871
>
>
>
>
>
> *From:* varnish-misc-bounces at varnish-cache.org [mailto:
> varnish-misc-bounces at varnish-cache.org] *On Behalf Of *Mike Franon
>
>
> *Sent:* February-10-11 4:51 PM
> *To:* varnish-misc at varnish-cache.org
>
> *Subject:* Re: varnish 2.15 - default set to cache nothing except two
> urls?
>
>
>
> Thank you for the help!
>
> Quick question:
>
> for this block
>
> if (req.url ~ "/blah"){
>
>                 set beresp.ttl = 300s;
>
>                 *unset req.http.set-cookie;*
>
>                 set beresp.http.cache-control = "public, max-age = 300";
>
>                 set beresp.http.X-CacheReason = "Blah";
>
>                 return(deliver);
>
> }
>
>
>
>
>
> I thought it was unset beresp.http.set-cookie;
>
>
>
> Is there a difference?
>
>
>
>
>
> Thanks again.
>
>
>
> On Thu, Feb 10, 2011 at 4:16 PM, Caunter, Stefan <scaunter at topscms.com>
> wrote:
>
> You need in vcl_recv:
>
>
>
> if (req.url ~ “/blah”){
>
>                 unset req.http.cookie;
>
>                 return(lookup);
>
> }
>
> else {
>
>                 return(pass);
>
> }
>
>
>
> Setting 360s for beresp.ttl gets you 6 minutes J
>
>
>
> Resetting it to 360 if it goes under 120 seems odd.
>
>
>
> Use something like this in vcl_fetch:
>
>
>
> if (req.url ~ "/blah"){
>
>                 set beresp.ttl = 300s;
>
>                 unset req.http.set-cookie;
>
>                 set beresp.http.cache-control = "public, max-age = 300";
>
>                 set beresp.http.X-CacheReason = "Blah";
>
>                 return(deliver);
>
> }
>
>
>
> Stefan Caunter
>
> Operations
>
> Torstar Digital
>
> m: (416) 561-4871
>
>
>
>
>
> *From:* varnish-misc-bounces at varnish-cache.org [mailto:
> varnish-misc-bounces at varnish-cache.org] *On Behalf Of *Mike Franon
> *Sent:* February-10-11 3:51 PM
> *To:* varnish-misc at varnish-cache.org
> *Subject:* varnish 2.15 - default set to cache nothing except two urls?
>
>
>
> HI,
>
>
>
> I am fairly new to varnish, and was curious, is there a way to have all
> traffic go through varnish to the backend without caching unless for
> specific pages.  For example we only want two pages to be cached, our home,
> and a specific page under the home as seen below?
>
>
>
> Here is my default.vcl
>
>
>
> Thanks
>
>
>
>
>
>
>
> backend default {
>
>   .host = "127.0.0.1";
>
>   .port = "80";
>
> }
>
>
>
>
>
> sub vcl_recv {
>
>
>
>     # for the default home page
>
>     if (req.url ~ "^/") {
>
>         unset req.http.cookie;
>
>     }
>
>
>
>
>
>    # if they go directly to /samplepage
>
>     if (req.url ~ "^/samplepage") {
>
>         unset req.http.cookie;
>
>     }
>
>
>
> }
>
>
>
> sub vcl_fetch {
>
>     if (req.url ~ "^/") {
>
>         unset beresp.http.set-cookie;
>
>     }
>
>
>
>     if (req.url ~ "^/samplepage") {
>
>         unset beresp.http.set-cookie;
>
>     }
>
>
>
>
>
>     #override cache headers from backend to keep element in cache for 5
> minutes
>
>     if (beresp.ttl < 120s) {
>
>        set beresp.ttl = 360s;
>
>   }
>
>
>
> }
>
>
>
>
>
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