please keep the mailing-list in the loop -- Guillaume Quintard
On Tue, Sep 3, 2019 at 2:51 PM Tim Kelty <[email protected]> wrote: > Thanks Guillaume, > > Makes sense about bypassing the built-in synth…and the 0-length body. > Looking at the first line of the response, I can see something like this > (still no reason after 200): > > ❯ curl -I -X "PURGE" -H "XKEY-PURGE:el30" https://site.com > HTTP/2 200 > accept-ranges: bytes > date: Tue, 03 Sep 2019 12:33:14 GMT > server: Varnish > x-varnish: 721122 > content-length: 0 > > > So what should I return to include the reason in the response? > I think my vcl_synth example came from: > https://github.com/mattiasgeniar/varnish-5.0-configuration-templates/blob/master/default.vcl#L381-L397 > > Thanks again for the help! > > — > Tim Kelty > On Aug 29, 2019, 3:18 PM -0400, Guillaume Quintard < > [email protected]>, wrote: > > because you return deliver, you are bypassing the builtin.vcl section that > usually calls synthetic() ( > https://github.com/varnishcache/varnish-cache/blob/master/bin/varnishd/builtin.vcl#L113), > that is why you have a 0-length body. > > Also, the "Invalidated..." message is the reason (like the "OK" for a > 200), not the body. Check the response line of your response (i.e. the > first line, before the headers) > > -- > Guillaume Quintard > > > On Thu, Aug 29, 2019 at 11:38 AM Tim Kelty <[email protected]> wrote: > > Within my vcl_recv, I have something like this: > > > # Allow purging > if (req.method == "PURGE") { > if (!client.ip ~ purge) { > return (synth(403, "Forbidden")); > } > > if (req.http.xkey-purge) { > set req.http.n-gone = xkey.purge(req.http.xkey-purge); > # If you got this stage (and didn't error out above), purge the cached > result > return (synth(200, "Invalidated "+req.http.n-gone+" objects")); > } else { > return (purge); > } > > } > > …and a a vcl_synth like: > > sub vcl_synth { > if (resp.status == 720) { > # We use this special error status 720 to force redirects with 301 > (permanent) redirects > # To use this, call the following from anywhere in vcl_recv: return > (synth(720, "http://host/new.html";)); > set resp.http.Location = resp.reason; > set resp.status = 301; > return (deliver); > } elseif (resp.status == 721) { > # And we use error status 721 to force redirects with a 302 (temporary) > redirect > # To use this, call the following from anywhere in vcl_recv: return > (synth(720, "http://host/new.html";)); > set resp.http.Location = resp.reason; > set resp.status = 302; > return (deliver); > } > > return (deliver); > } > > > When I perform the xkey-purge request, I get back a 200, and can confirm > that the purging is working, but the content-length is always 0 (I don't > get the "Invalidated n objects" message). > > Not sure where to start debugging…any idea what could cause this? > > — > Tim Kelty > _______________________________________________ > varnish-misc mailing list > [email protected] > https://www.varnish-cache.org/lists/mailman/listinfo/varnish-misc > >
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