2月 092012
Do you use a Varnish? I’ve been using.
I think to using varnishlog for VCL debugging.
For example, the output of the varnishlog that include ESI request.
varnishlog(include ESI)
13 BackendOpen b default 192.168.1.199 36011 192.168.1.199 81 ★Open backend here.
13 TxRequest b GET
13 TxURL b /test2.html
13 TxProtocol b HTTP/1.1
13 TxHeader b User-Agent: Wget/1.12 (linux-gnu)
13 TxHeader b Accept: */*
13 TxHeader b Host: 192.168.1.199:6081
13 TxHeader b X-Varnish: 171551254
13 TxHeader b Accept-Encoding: gzip
13 RxProtocol b HTTP/1.1
13 RxStatus b 200
13 RxResponse b OK
13 RxHeader b Date: Sat, 28 Jan 2012 05:05:59 GMT
13 RxHeader b Server: Apache/2.2.15 (Scientific Linux)
13 RxHeader b Last-Modified: Sat, 23 Jul 2011 08:09:05 GMT
13 RxHeader b ETag: "5a28-51-4a8b8187f8177"
13 RxHeader b Accept-Ranges: bytes
13 RxHeader b Content-Length: 81
13 RxHeader b Connection: close
13 RxHeader b Content-Type: text/html; charset=UTF-8
13 Fetch_Body b 4(length) cls 0 mklen 1
13 Length b 81
13 BackendClose b default ★Close backend here.
13 BackendOpen b default 192.168.1.199 36012 192.168.1.199 81 ★Open backend for ESI request here.
13 TxRequest b GET
13 TxURL b /test3.html
13 TxProtocol b HTTP/1.1
13 TxHeader b User-Agent: Wget/1.12 (linux-gnu)
13 TxHeader b Accept: */*
13 TxHeader b Host: 192.168.1.199:6081
13 TxHeader b X-Varnish: 171551254
13 TxHeader b Accept-Encoding: gzip
13 RxProtocol b HTTP/1.1
13 RxStatus b 200
13 RxResponse b OK
13 RxHeader b Date: Sat, 28 Jan 2012 05:05:59 GMT
13 RxHeader b Server: Apache/2.2.15 (Scientific Linux)
13 RxHeader b Last-Modified: Sat, 23 Jul 2011 08:08:59 GMT
13 RxHeader b ETag: "5a29-14-4a8b81829c835"
13 RxHeader b Accept-Ranges: bytes
13 RxHeader b Content-Length: 20
13 RxHeader b Connection: close
13 RxHeader b Content-Type: text/html; charset=UTF-8
13 Fetch_Body b 4(length) cls 0 mklen 1
13 Length b 20
13 BackendClose b default ★Close backend here.
12 SessionOpen c 192.168.1.199 55115 :6081
12 ReqStart c 192.168.1.199 55115 171551254 ★Start Request (/test2.html)
12 RxRequest c GET
12 RxURL c /test2.html
12 RxProtocol c HTTP/1.0
12 RxHeader c User-Agent: Wget/1.12 (linux-gnu)
12 RxHeader c Accept: */*
12 RxHeader c Host: 192.168.1.199:6081
12 RxHeader c Connection: Keep-Alive
12 VCL_call c recv 1 7.1
12 VCL_Log c a
12 VCL_trace c 2 9.1
12 VCL_Log c b
12 VCL_trace c 3 11.1
12 VCL_Log c a
12 VCL_return c lookup
12 VCL_call c hash 18 85.5
12 Hash c /test2.html
12 VCL_trace c 19 87.9
12 Hash c 192.168.1.199:6081
12 VCL_return c hash
12 VCL_call c miss 22 99.5 fetch
12 Backend c 13 default default ★Call backend.
12 TTL c 171551254 RFC 120 -1 -1 1327727160 0 1327727159 0 0
12 VCL_call c fetch 4 18.1 deliver
12 ObjProtocol c HTTP/1.1
12 ObjResponse c OK
12 ObjHeader c Date: Sat, 28 Jan 2012 05:05:59 GMT
12 ObjHeader c Server: Apache/2.2.15 (Scientific Linux)
12 ObjHeader c Last-Modified: Sat, 23 Jul 2011 08:09:05 GMT
12 ObjHeader c ETag: "5a28-51-4a8b8187f8177"
12 ObjHeader c Content-Type: text/html; charset=UTF-8
12 VCL_call c deliver 26 116.5 deliver
12 TxProtocol c HTTP/1.1
12 TxStatus c 200
12 TxResponse c OK
12 TxHeader c Server: Apache/2.2.15 (Scientific Linux)
12 TxHeader c Last-Modified: Sat, 23 Jul 2011 08:09:05 GMT
12 TxHeader c ETag: "5a28-51-4a8b8187f8177"
12 TxHeader c Content-Type: text/html; charset=UTF-8
12 TxHeader c Date: Sat, 28 Jan 2012 05:05:59 GMT
12 TxHeader c X-Varnish: 171551254
12 TxHeader c Age: 0
12 TxHeader c Via: 1.1 varnish
12 TxHeader c Connection: close
12 VCL_call c recv 1 7.1 ★Start ESI log.
12 VCL_Log c a
12 VCL_trace c 2 9.1
12 VCL_Log c b
12 VCL_trace c 3 11.1
12 VCL_Log c a
12 VCL_return c lookup
12 VCL_call c hash 18 85.5
12 Hash c /test3.html
12 VCL_trace c 19 87.9
12 Hash c 192.168.1.199:6081
12 VCL_return c hash
12 VCL_call c miss 22 99.5 fetch
12 Backend c 13 default default
12 TTL c 171551254 RFC 120 -1 -1 1327727160 0 1327727159 0 0
12 VCL_call c fetch 4 18.1 deliver
12 ObjProtocol c HTTP/1.1
12 ObjResponse c OK
12 ObjHeader c Date: Sat, 28 Jan 2012 05:05:59 GMT
12 ObjHeader c Server: Apache/2.2.15 (Scientific Linux)
12 ObjHeader c Last-Modified: Sat, 23 Jul 2011 08:08:59 GMT
12 ObjHeader c ETag: "5a29-14-4a8b81829c835"
12 ObjHeader c Content-Type: text/html; charset=UTF-8
12 VCL_call c deliver 26 116.5 deliver
12 Length c 20
12 ReqEnd c 171551254 1327727159.889132023 1327727159.890880346 -0.001736164 nan nan ★Request end.
12 SessionClose c EOF mode
12 StatSess c 192.168.1.199 55115 0 1 1 0 0 2 282 20
0 CLI - Rd ping
0 CLI - Wr 200 19 PONG 1327727160 1.0
little too difficult for me.
Therefore, I tried to make a tool to format and display.
varnishlog | php vltrans.php
client ip | 192.168.1.199
client request host | 192.168.1.199:6081
client request url | /test2.html
response size | 20 byte
response status | HTTP/1.1 200 OK
Total time | 0.0017483234405518 sec
restart count | 0
ESI count | 1
call backend | 2 default(192.168.1.199:81) default(192.168.1.199:81)
Cache | HIT:0 MISS:2
------------------------------------------------------------
-------------------
| recv |
-------------------
|
| trace | vrt_count:1 vcl_line:7 vcl_pos:1
| log | a
| trace | vrt_count:2 vcl_line:9 vcl_pos:1
| log | b
| trace | vrt_count:3 vcl_line:11 vcl_pos:1
| log | a
| |
| return | lookup
|
-------------------
| hash |
-------------------
|
| trace | vrt_count:18 vcl_line:85 vcl_pos:5
| trace | vrt_count:19 vcl_line:87 vcl_pos:9
| |
| hash | /test2.html + 192.168.1.199:6081
| return | hash
|
-------------------
| miss |
-------------------
|
| trace | vrt_count:22 vcl_line:99 vcl_pos:5
| |
| return | fetch
|
-------------------
| fetch |
-------------------
|
| trace | vrt_count:4 vcl_line:18 vcl_pos:1
| |
| return | deliver
|
-------------------
| deliver |
-------------------
|
| trace | vrt_count:26 vcl_line:116 vcl_pos:5
| |
| return | deliver
|
<<ESI request>>
-------------------
| recv |
-------------------
|
| trace | vrt_count:1 vcl_line:7 vcl_pos:1
| log | a
| trace | vrt_count:2 vcl_line:9 vcl_pos:1
| log | b
| trace | vrt_count:3 vcl_line:11 vcl_pos:1
| log | a
| |
| return | lookup
|
-------------------
| hash |
-------------------
|
| trace | vrt_count:18 vcl_line:85 vcl_pos:5
| trace | vrt_count:19 vcl_line:87 vcl_pos:9
| |
| hash | /test3.html + 192.168.1.199:6081
| return | hash
|
-------------------
| miss |
-------------------
|
| trace | vrt_count:22 vcl_line:99 vcl_pos:5
| |
| return | fetch
|
-------------------
| fetch |
-------------------
|
| trace | vrt_count:4 vcl_line:18 vcl_pos:1
| |
| return | deliver
|
-------------------
| deliver |
-------------------
|
| trace | vrt_count:26 vcl_line:116 vcl_pos:5
| |
| return | deliver
|
############################################################
variable infomation.
|
hash | /test2.html + 192.168.1.199:6081
------------------------------------------------------------
client.ip | 192.168.1.199
------------------------------------------------------------
req.request | GET
req.url | /test2.html
req.proto | HTTP/1.0
req.http.User-Agent | Wget/1.12 (linux-gnu)
req.http.Accept | */*
req.http.Host | 192.168.1.199:6081
req.http.Connection | Keep-Alive
------------------------------------------------------------
bereq.request | GET
bereq.url | /test2.html
bereq.proto | HTTP/1.1
bereq.http.User-Agent | Wget/1.12 (linux-gnu)
bereq.http.Accept | */*
bereq.http.Host | 192.168.1.199:6081
bereq.http.X-Varnish | 171551254
bereq.http.Accept-Encoding | gzip
------------------------------------------------------------
beresp.proto | HTTP/1.1
beresp.status | 200
beresp.response | OK
beresp.http.Date | Sat, 28 Jan 2012 05:05:59 GMT
beresp.http.Server | Apache/2.2.15 (Scientific Linux)
beresp.http.Last-Modified | Sat, 23 Jul 2011 08:09:05 GMT
beresp.http.ETag | "5a28-51-4a8b8187f8177"
beresp.http.Accept-Ranges | bytes
beresp.http.Content-Length | 81
beresp.http.Connection | close
beresp.http.Content-Type | text/html; charset=UTF-8
------------------------------------------------------------
obj.proto | HTTP/1.1
obj.response | OK
obj.http.Date | Sat, 28 Jan 2012 05:05:59 GMT
obj.http.Server | Apache/2.2.15 (Scientific Linux)
obj.http.Last-Modified | Sat, 23 Jul 2011 08:09:05 GMT
obj.http.ETag | "5a28-51-4a8b8187f8177"
obj.http.Content-Type | text/html; charset=UTF-8
------------------------------------------------------------
resp.proto | HTTP/1.1
resp.status | 200
resp.response | OK
resp.http.Server | Apache/2.2.15 (Scientific Linux)
resp.http.Last-Modified | Sat, 23 Jul 2011 08:09:05 GMT
resp.http.ETag | "5a28-51-4a8b8187f8177"
resp.http.Content-Type | text/html; charset=UTF-8
resp.http.Date | Sat, 28 Jan 2012 05:05:59 GMT
resp.http.X-Varnish | 171551254
resp.http.Age | 0
resp.http.Via | 1.1 varnish
resp.http.Connection | close
############################################################
variable infomation.
|
ESI | yes
hash | /test3.html + 192.168.1.199:6081
------------------------------------------------------------
bereq.request | GET
bereq.url | /test3.html
bereq.proto | HTTP/1.1
bereq.http.User-Agent | Wget/1.12 (linux-gnu)
bereq.http.Accept | */*
bereq.http.Host | 192.168.1.199:6081
bereq.http.X-Varnish | 171551254
bereq.http.Accept-Encoding | gzip
------------------------------------------------------------
beresp.proto | HTTP/1.1
beresp.status | 200
beresp.response | OK
beresp.http.Date | Sat, 28 Jan 2012 05:05:59 GMT
beresp.http.Server | Apache/2.2.15 (Scientific Linux)
beresp.http.Last-Modified | Sat, 23 Jul 2011 08:08:59 GMT
beresp.http.ETag | "5a29-14-4a8b81829c835"
beresp.http.Accept-Ranges | bytes
beresp.http.Content-Length | 20
beresp.http.Connection | close
beresp.http.Content-Type | text/html; charset=UTF-8
------------------------------------------------------------
obj.proto | HTTP/1.1
obj.response | OK
obj.http.Date | Sat, 28 Jan 2012 05:05:59 GMT
obj.http.Server | Apache/2.2.15 (Scientific Linux)
obj.http.Last-Modified | Sat, 23 Jul 2011 08:08:59 GMT
obj.http.ETag | "5a29-14-4a8b81829c835"
obj.http.Content-Type | text/html; charset=UTF-8
############################################################
############################################################
############################################################
I think so understood without explanation.
function summary.
show request summary
client ip | 192.168.1.199 client request host | 192.168.1.199:6081 client request url | /test2.html response size | 20 byte response status | HTTP/1.1 200 OK Total time | 0.0017483234405518 sec restart count | 0 ESI count | 1 call backend | 2 default(192.168.1.199:81) default(192.168.1.199:81) Cache | HIT:0 MISS:2 ------------------------------------------------------------
show execution sequence
<<ESI request>> ★ESI or restart work is display here.
-------------------
| recv | ★call action name
-------------------
|
| trace | vrt_count:1 vcl_line:7 vcl_pos:1
| log | a
| trace | vrt_count:2 vcl_line:9 vcl_pos:1
| log | b
| trace | vrt_count:3 vcl_line:11 vcl_pos:1
| log | a
| |
| return | lookup ★return value
show variable
variable infomation.
|
ESI | yes ★ESI or restart work is display here.
hash | /test3.html + 192.168.1.199:6081 ★this request used hash value.
------------------------------------------------------------
bereq.request | GET
bereq.url | /test3.html
bereq.proto | HTTP/1.1
I’m not quite satisfied with the code.
But, it may useful.
download here.
varnishlogTrans
