I enabled diags debug log 0 to 1 in record.config, then it came looks like 
below while if I remove or hash the plugin in remap rule its happen same like 
that could not find the difference .





Oct  4 01:51:25.426] Server {0x2ae66480e700} DEBUG: (http_age) 
[calculate_document_age] age_value:              0

[Oct  4 01:51:25.426] Server {0x2ae66480e700} DEBUG: (http_age) 
[calculate_document_age] date_value:             1538643085

[Oct  4 01:51:25.426] Server {0x2ae66480e700} DEBUG: (http_age) 
[calculate_document_age] response_time:          1538643085

[Oct  4 01:51:25.426] Server {0x2ae66480e700} DEBUG: (http_age) 
[calculate_document_age] now:                    1538643085

[Oct  4 01:51:25.426] Server {0x2ae66480e700} DEBUG: (http_age) 
[calculate_document_age] now (fixed):            1538643085

[Oct  4 01:51:25.426] Server {0x2ae66480e700} DEBUG: (http_age) 
[calculate_document_age] apparent_age:           0

[Oct  4 01:51:25.426] Server {0x2ae66480e700} DEBUG: (http_age) 
[calculate_document_age] corrected_received_age: 0

[Oct  4 01:51:25.426] Server {0x2ae66480e700} DEBUG: (http_age) 
[calculate_document_age] response_delay:         0

[Oct  4 01:51:25.426] Server {0x2ae66480e700} DEBUG: (http_age) 
[calculate_document_age] corrected_initial_age:  0

[Oct  4 01:51:25.426] Server {0x2ae66480e700} DEBUG: (http_age) 
[calculate_document_age] resident_time:          0

[Oct  4 01:51:25.426] Server {0x2ae66480e700} DEBUG: (http_age) 
[calculate_document_age] current_age:            0

[Oct  4 01:51:25.426] Server {0x2ae66480e700} DEBUG: (http_trans) 
[handle_content_length_header] RESPONSE cont len in hdr is 1680

[Oct  4 01:51:25.426] Server {0x2ae66480e700} DEBUG: (http_trans) [Squid code 
generation] Hit/Miss: 1, Log: 3, Hier: 2

[Oct  4 01:51:25.426] Server {0x2ae66480e700} DEBUG: (http_trans) Adding 
Server: ATS/6.2.3

[Oct  4 01:51:25.426] Server {0x2ae66480e700} DEBUG: (http) [6723] State 
Transition: SM_ACTION_ORIGIN_SERVER_OPEN -> SM_ACTION_SERVER_READ {009}

[Oct  4 01:51:25.426] Server {0x2ae66480e700} DEBUG: (http_smage) [6723] 
Incrementing Age. {010}

[Oct  4 01:51:25.426] Server {0x2ae66480e700} DEBUG: (http_redirect) 
is_redirect_required 0

[Oct  4 01:51:25.426] Server {0x2ae66480e700} DEBUG: (http) Setup Server 
Transfer

[Oct  4 01:51:25.426] Server {0x2ae66480e700} DEBUG: (http_tunnel) [6723] 
adding producer 'http server'

[Oct  4 01:51:25.426] Server {0x2ae66480e700} DEBUG: (http_tunnel) [6723] 
adding consumer 'user agent'

[Oct  4 01:51:25.426] Server {0x2ae66480e700} DEBUG: (http) [6723] 
perform_cache_write_action CACHE_DO_NO_ACTION

[Oct  4 01:51:25.426] Server {0x2ae66480e700} DEBUG: (http_tunnel) tunnel_run 
started, p_arg is provided

[Oct  4 01:51:25.426] Server {0x2ae66480e700} DEBUG: (http_cs) 
tcp_init_cwnd_set 0

[Oct  4 01:51:25.426] Server {0x2ae66480e700} DEBUG: (http_cs) desired TCP 
congestion window is 0

[Oct  4 01:51:25.426] Server {0x2ae66480e700} DEBUG: (http_tunnel) [6723] 
[tunnel_run] producer already done

[Oct  4 01:51:25.426] Server {0x2ae66480e700} DEBUG: (http_tunnel) [6723] 
producer_handler [http server HTTP_TUNNEL_EVENT_PRECOMPLETE]

[Oct  4 01:51:25.426] Server {0x2ae66480e700} DEBUG: (http_redirect) 
[HttpTunnel::producer_handler] enable_redirection: [0 0 0] event: 2302

[Oct  4 01:51:25.426] Server {0x2ae66480e700} DEBUG: (http) [6723] 
[&HttpSM::tunnel_handler_server, HTTP_TUNNEL_EVENT_PRECOMPLETE]

[Oct  4 01:51:25.426] Server {0x2ae66480e700} DEBUG: (http_ss) [6723] session 
closing, netvc 0x2aaab8015aa0

[Oct  4 01:51:25.426] Server {0x2ae66480e700} DEBUG: (http_tunnel) [6723] 
consumer_handler [user agent VC_EVENT_WRITE_COMPLETE]

[Oct  4 01:51:25.426] Server {0x2ae66480e700} DEBUG: (http) [6723] 
[&HttpSM::tunnel_handler_ua, VC_EVENT_WRITE_COMPLETE]

[Oct  4 01:51:25.426] Server {0x2ae66480e700} DEBUG: (http_cs) [1509] session 
closed

[Oct  4 01:51:25.426] Server {0x2ae66480e700} DEBUG: (http) [6723] 
[HttpSM::main_handler, HTTP_TUNNEL_EVENT_DONE]

[Oct  4 01:51:25.426] Server {0x2ae66480e700} DEBUG: (http) [6723] 
[&HttpSM::tunnel_handler, HTTP_TUNNEL_EVENT_DONE]

[Oct  4 01:51:25.426] Server {0x2ae66480e700} DEBUG: (http_redirect) 
[HttpTunnel::deallocate_postdata_copy_buffers]

[Oct  4 01:51:25.426] Server {0x2ae66480e700} DEBUG: (http_redirect) 
[HttpTunnel::deallocate_postdata_copy_buffers]

[Oct  4 01:51:25.426] Server {0x2ae66480e700} DEBUG: (http_cs) [1509] session 
destroy





_Vasanth



Sent from Mail<https://go.microsoft.com/fwlink/?LinkId=550986> for Windows 10



From: Shu Kit Chan<mailto:chanshu...@gmail.com>
Sent: Thursday, October 4, 2018 1:34 PM
To: users@trafficserver.apache.org<mailto:users@trafficserver.apache.org>
Subject: Re: How to use lua plugin and Scripts in Traffic server ?



You should use "ts.debug" instead of "print"

And turn on debug to see the message printed in traffic.out

Thanks.

Kit
On Wed, Oct 3, 2018 at 10:00 PM Vasanth Mathivanan
<vasant...@evolutiondigital.com> wrote:
>
> Yes that I did but nothing to see any updates in diags.logs about lua plugin
>
>
>
> Here the logs on below :
>
> [Oct  3 21:41:09.405] Server {0x2ae65d787240} WARNING: connection throttle 
> too high, 165585 (throttle) + 192 (internal use) > 165585 (file descriptor 
> limit), using throttle of 165393
>
> [Oct  3 21:41:09.405] Server {0x2ae65d787240} NOTE: cache clustering disabled
>
> [Oct  3 21:41:09.437] Server {0x2ae65d787240} NOTE: ip_allow.config updated, 
> reloading
>
> [Oct  3 21:41:09.795] Server {0x2ae65d787240} NOTE: cache clustering disabled
>
> [Oct  3 21:41:09.797] Server {0x2ae65d787240} NOTE: logging initialized[3], 
> logging_mode = 3
>
> [Oct  3 21:41:09.798] Server {0x2ae65d787240} NOTE: loading plugin 
> '/opt/trafficserver/libexec/trafficserver/astats_over_http.so'
>
> [Oct  3 21:41:09.798] Server {0x2ae65d787240} NOTE: loading plugin 
> '/opt/trafficserver/libexec/trafficserver/regex_revalidate.so'
>
> [Oct  3 21:41:09.798] Server {0x2ae65d787240} NOTE: loading plugin 
> '/opt/trafficserver/libexec/trafficserver/remap_stats.so'
>
> [Oct  3 21:41:09.798] Server {0x2ae65d787240} NOTE: loading plugin 
> '/opt/trafficserver/libexec/trafficserver/stale_while_revalidate.so'
>
> [Oct  3 21:41:09.800] Server {0x2ae65d787240} NOTE: loading SSL certificate 
> configuration from /opt/trafficserver/etc/trafficserver/ssl_multicert.config
>
> [Oct  3 21:41:09.961] Server {0x2ae664f1c700} NOTE: cache enabled
>
> [Oct  3 21:41:10.042] Server {0x2ae65d787240} NOTE: traffic server running
>
> [Oct  3 21:41:14.346] Server {0x2ae664100700} WARNING: failover: connection 
> to DNS server 10.137.10.115 lost, move to 10.150.1.15
>
>
>
> _Vasanth
>
> Sent from Mail for Windows 10
>
>
>
> From: Shu Kit Chan
> Sent: Wednesday, October 3, 2018 11:04 PM
> To: users@trafficserver.apache.org
> Subject: Re: How to use lua plugin and Scripts in Traffic server ?
>
>
>
> You need to provide a full path to the lua script. e.g.
>
> "@plugin=tslua.so @pparam=/tmp/cache.lua"
>
> Thanks.
>
> Kit
>
> On Wed, Oct 3, 2018 at 12:16 AM Vasanth Mathivanan
> <vasant...@evolutiondigital.com> wrote:
> >
> > Now It  accessible the plugin but have some script issue
> >
> > [Oct  3 00:06:29.598] Server {0x2aaabed91700} ERROR: [ReverseProxy] failed 
> > to add remap rule at /opt/trafficserver/etc/trafficserver/remap.config line 
> > 2: Failed to create instance for plugin 
> > "/opt/trafficserver/libexec/trafficserver/tslua.so": [ts_lua_add_module] 
> > luaL_loadstring  failed: [string "cache.lua"]:1: '=' expected near '<eof>'
> >
> > [Oct  3 00:06:29.598] Server {0x2aaabed91700} WARNING: something failed 
> > during BuildTable() -- check your remap plugins!
> >
> > [Oct  3 00:06:29.598] Server {0x2aaabed91700} WARNING: failed to reload 
> > remap.config, not replacing!
> >
> >
> >
> >
> >
> > _ Vasanth
> >
> > Sent from Mail for Windows 10
> >
> >
> >
> > From: Shu Kit Chan
> > Sent: Wednesday, October 3, 2018 12:23 PM
> > To: users@trafficserver.apache.org
> > Subject: Re: How to use lua plugin and Scripts in Traffic server ?
> >
> >
> >
> > It looks like the lua plugin cannot find your lua script. I think you
> > should not be using "@@pparam" . Instead can you try just using
> > "@pparam" ?
> >
> > Thanks.
> >
> > Kit
> > On Tue, Oct 2, 2018 at 10:49 PM Vasanth Mathivanan
> > <vasant...@evolutiondigital.com> wrote:
> > >
> > > Hi Chan,
> > >
> > >
> > >
> > > 1.We had ATS 6.2 in Centos 6
> > >
> > >
> > >
> > > 2.Remap rules looks like below :
> > >
> > >     # DO NOT EDIT - Generated for edge1 by Traffic Ops (https://x.x.x.x) 
> > > on Wed May 30 09:22:41 EDT 2018
> > >
> > > map       http://x.x.x.x:8082/     http://x.x.x.x/ 
> > > @plugin=header_rewrite.so @pparam=dscp/set_dscp_32.config 
> > > @plugin=header_rewrite.so @pparam=hdr_rw_live.config 
> > > @plugin=background_fetch.so @pparam=bg_fetch.config 
> > > @plugin=collapsed_forwarding.so  @plugin=tslua.so @@pparam=lua_test.lua
> > >
> > > map       http://x.x.x.x:8082/     http://x.x.x.x/ 
> > > @plugin=header_rewrite.so @pparam=dscp/set_dscp_0.config 
> > > @plugin=background_fetch.so @pparam=bg_fetch.config 
> > > @plugin=collapsed_forwarding.so @plugin=tslua.so @@pparam=lua_test.lua
> > >
> > >
> > >
> > > note: I tried to given entire path in @@pparm syntax like 
> > > @@pparam=/opt/trafficserver/libexec/trafficserver/test_lua.lua
> > >
> > >
> > >
> > >
> > >
> > > 3.Lua Script looks like :
> > >
> > >
> > >
> > >    function cache_lookup()
> > >
> > >     local cache_status = ts.http.get_cache_lookup_status()
> > >
> > >     if cache_status == TS_LUA_CACHE_LOOKUP_HIT_FRESH then
> > >
> > >         print('hit')
> > >
> > >     else
> > >
> > >         print('not hit')
> > >
> > >     end
> > >
> > >     ts.http.set_cache_lookup_status(TS_LUA_CACHE_LOOKUP_MISS)
> > >
> > > end
> > >
> > >
> > >
> > > function do_remap()
> > >
> > >     ts.hook(TS_LUA_HOOK_CACHE_LOOKUP_COMPLETE, cache_lookup)
> > >
> > >     return 0
> > >
> > > end
> > >
> > >
> > >
> > > 4.yes I did curl method only .
> > >
> > >
> > >
> > > [root@wow-den-stremer174 ~]# curl -I x.x.x.x:8082
> > >
> > > TTP/1.1 404 Not Found on Accelerator
> > >
> > > Date: Wed, 03 Oct 2018 05:13:23 GMT
> > >
> > > Connection: keep-alive
> > >
> > > Via: http/1.1 x.x.x.x. (ApacheTrafficServer/6.2.3 [uSc s f p eS:tNc  i p 
> > > s ])
> > >
> > > Server: ATS/6.2.3
> > >
> > > Cache-Control: no-store
> > >
> > > Content-Type: text/html
> > >
> > > Content-Language: en
> > >
> > > Content-Length: 297
> > >
> > >
> > >
> > > 5.Diags log:
> > >
> > >
> > >
> > >
> > >
> > > [Oct  2 22:38:33.537] Server {0x2b25ed7fd240} ERROR: [ReverseProxy] 
> > > failed to add remap rule at 
> > > /opt/trafficserver/etc/trafficserver/remap.config line 2: Failed to 
> > > create instance for plugin 
> > > "/opt/trafficserver/libexec/trafficserver/tslua.so": [TSRemapNewInstance] 
> > > - lua script file or string is required !!
> > >
> > >
> > >
> > >
> > >
> > > Note : traffic.out and error.log nothing to do .
> > >
> > >
> > >
> > > -Vasanth
> > >
> > >
> > >
> > > Sent from Mail for Windows 10
> > >
> > >
> > >
> > > From: Shu Kit Chan
> > > Sent: Tuesday, October 2, 2018 1:55 AM
> > > To: users@trafficserver.apache.org
> > > Subject: Re: How to use lua plugin and Scripts in Traffic server ?
> > >
> > >
> > >
> > > A few things
> > >
> > > 1) What version of ATS are you on? 5.3.x ?
> > > 2) Can you show how your remap rules looks like?
> > > 3) you use the example lua script? if not, what is written in your script?
> > > 4) how do you test that? curl a url that goes against your machine?
> > > 5) Any messages in traffic.out / error.log / diags.log that is of 
> > > interest ?
> > >
> > > Thanks.
> > >
> > > Kit
> > > On Mon, Oct 1, 2018 at 6:08 AM Vasanth Mathivanan
> > > <vasant...@evolutiondigital.com> wrote:
> > > >
> > > >
> > > >
> > > > Hi,
> > > >
> > > >
> > > >
> > > > As per document I saw lot of examples in this 
> > > > https://docs.trafficserver.apache.org/en/5.3.x/reference/plugins/ts_lua.en.html#ts-lua-plugin
> > > >    I did the  remap config changes  ( plugin and parameters ) then make 
> > > > a script file in some path and  pointed on remap  Config .There is no 
> > > > response on it .
> > > >
> > > > How I could use in traffic server  and also test them  ?
> > > >
> > > >
> > > >
> > > > -Vasanth
> > > >
> > > >
> > > >
> > > > Sent from Mail for Windows 10
> > > >
> > > >

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