vcl_miss for PURGE in varnish 4.0

Suyog Shirgaonkar Mon, 28 Jul 2014 03:29:19 -0700

Hello,Have we obsolete use of vcl_miss with version 4.0.1 for purge calls. 
Objects not available in cache also responds with 200 Purged as the calls to 
purge is always successful. Is there any remedy available to distinguish if the 
objects are present in the cache or not after i send a PURGE call. Below is a 
sample purge call which should have missed. I am calling synthentic response 
after it lands upto vcl_synth.MY VCL:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
if (req.method == &quot;PURGE&quot;) 
{&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
 if (!client.ip ~ purge) 
{&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
 return (synth(000, &quot;Not 
Allowed&quot;));&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
 
}&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
 return (pu
 rge);&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }Varnishlog:-&nbsp;&nbsp; 
ReqMethod&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; PURGE-&nbsp;&nbsp; 
ReqURL&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
XXXXXXXXXXXXXXXXXXXXXXXXXXXX-&nbsp;&nbsp; ReqProtocol&nbsp;&nbsp;&nbsp; 
HTTP/1.1-&nbsp;&nbsp; ReqHeader&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; User-Agent: 
XXXXXXXXXXXXXXXXXXXXXXXXXX-&nbsp;&nbsp; ReqHeader&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
Accept: */*-&nbsp;&nbsp; ReqHeader&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
Host:XXXXXXXXXXXXXXXXXXXXXXXXX-&nbsp;&nbsp; 
ReqHeader&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; X-Forwarded-For: ::1-&nbsp;&nbsp; 
VCL_call&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; RECV-&nbsp;&nbsp; 
ReqUnset&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Host:XXXXXXXXXXXXXXXX-&nbsp;&nbsp; 
ReqHeader&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; host: XXXXXXXXXXXXXX-&nbsp;&nbsp; 
VCL_acl&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; MATCH purge 
&quot;localhost&quot;-&nbsp;&nbsp; 
VCL_acl&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; MATCH purge 
&quot;localhost&quot;-&n
 bsp;&nbsp; VCL_return&nbsp;&nbsp;&nbsp;&nbsp; purge-&nbsp;&nbsp; 
VCL_call&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; HASH-&nbsp;&nbsp; 
VCL_return&nbsp;&nbsp;&nbsp;&nbsp; lookup-&nbsp;&nbsp; 
VCL_call&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; PURGE-&nbsp;&nbsp; 
Debug&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
&quot;VCL_error(200, Purged)&quot;-&nbsp;&nbsp; 
VCL_return&nbsp;&nbsp;&nbsp;&nbsp; synth-&nbsp;&nbsp; 
Timestamp&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Process: 1406541624.863881 0.000110 
0.000110-&nbsp;&nbsp; RespHeader&nbsp;&nbsp;&nbsp;&nbsp; Date: Mon, 28 Jul 2014 
10:00:24 GMT-&nbsp;&nbsp; RespHeader&nbsp;&nbsp;&nbsp;&nbsp; Server: 
Varnish-&nbsp;&nbsp; RespHeader&nbsp;&nbsp;&nbsp;&nbsp; X-Varnish: 
3607188-&nbsp;&nbsp; RespProtocol&nbsp;&nbsp; HTTP/1.1-&nbsp;&nbsp; 
RespStatus&nbsp;&nbsp;&nbsp;&nbsp; 200-&nbsp;&nbsp; 
RespReason&nbsp;&nbsp;&nbsp;&nbsp; OK-&nbsp;&nbsp; 
RespReason&nbsp;&nbsp;&nbsp;&nbsp; Purged-&nbsp;&nbsp; 
VCL_call&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; SYNTH-&nbsp;&nbsp; RespHe
 ader&nbsp;&nbsp;&nbsp;&nbsp; Content-Type: text/html; 
charset=utf-8-&nbsp;&nbsp; VCL_return&nbsp;&nbsp;&nbsp;&nbsp; 
deliver-&nbsp;&nbsp; RespHeader&nbsp;&nbsp;&nbsp;&nbsp; Content-Length: 
602-&nbsp;&nbsp; Debug&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
&quot;RES_MODE 2&quot;-&nbsp;&nbsp; RespHeader&nbsp;&nbsp;&nbsp;&nbsp; 
Connection: keep-alive-&nbsp;&nbsp; RespHeader&nbsp;&nbsp;&nbsp;&nbsp; 
Accept-Ranges: bytes-&nbsp;&nbsp; Timestamp&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Resp: 
1406541624.863990 0.000220 0.000110-&nbsp;&nbsp; 
ReqAcct&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 212 0 212 204 602 
806-&nbsp;&nbsp; EndRegards,Suyog Shirgaonkar&nbsp;

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vcl_miss for PURGE in varnish 4.0

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