Thank you for this confirmation ! Now I know this is the same cache, I will move the ban block in the main VCL !
Thanks again ! Regards, -- Adrien Bigot Le 19/12/2019 à 16:14, Guillaume Quintard a écrit : > Hi, > > Yes, labels are going to access the same cache , exactly like a > reloaded vcl is going to use the same cache as the vcl it replaced. > > So, sending one request on any domain is going to work, but wouldn't > it be more straightforward to just have the ban block in the main vcl, > before you dispatch the request to a sub vcl? > > Cheers, > > > On Thu, Dec 19, 2019, 15:07 Adrien Bigot <[email protected] > <mailto:[email protected]>> wrote: > > Hello, > > I plan to use labels on a Varnish stack in front of multiple backends. > I have a question about ban with multiple labels. > > My main.vcl will route requests in function of Host header for > example like this : > > if (req.http.host == "front.mydomain.com > <http://front.mydomain.com>") { > return (vcl(l_varnish_fronts)); > } > if (req.http.host == "api.mydomain.com > <http://api.mydomain.com>") { > return (vcl(l_varnish_api)); > } > > > When we want to ban objects we do it with a HTTP BAN method on > each varnish server. Varnish handle it the BAN request like that > in each label's VCL file : > sub vcl_recv { > if (req.method == "BAN") { > > if (req.http.Cache-BanExpression) { > ban(req.http.Cache-BanExpression); > } > return (synth(200, "Banned")); > } > > > My question is if I want to purge contents like this : > > curl -XBAN --header 'Cache-BanExpression: > obj.http.Cache-Tags-TeamCompetitionReference ~ (^|,)6847(,|$)' > http://myVarnishIP > > Will them be banned for all my Labels (if I include the proper vcl > code in main.vcl), or do I have to make a request for each label > like : > curl -XBAN --header 'Host: front.mydomain.com > <http://front.mydomain.com>' --header 'Cache-BanExpression: > obj.http.Cache-Tags-TeamCompetitionReference ~ (^|,)6847(,|$)' > http://myVarnishIP > curl -XBAN --header 'Host: api.mydomain.com > <http://api.mydomain.com>' --header 'Cache-BanExpression: > obj.http.Cache-Tags-TeamCompetitionReference ~ (^|,)6847(,|$)' > http://myVarnishIP > > > In fact, I want to know if the cache is mutualized between labels > ? If yes, is a solution exists to purge contents in all labels > without sending multiple BAN requests ? > > Thanks in advance. > > Best regards, > > -- > > Adrien Bigot > _______________________________________________ > varnish-misc mailing list > [email protected] <mailto:[email protected]> > https://www.varnish-cache.org/lists/mailman/listinfo/varnish-misc >
_______________________________________________ varnish-misc mailing list [email protected] https://www.varnish-cache.org/lists/mailman/listinfo/varnish-misc
