[asterisk-dev] Some wild thoughts about logging

[Atis Lezdins]

On Tue, Sep 9, 2008 at 4:22 PM, Russell Bryant <russell at digium.com> wrote:
> Johan Wilfer wrote:
>> What if we could tie (almost) every event that got logged to the specific
>> call id? Sip history dump, notice's, whatever. Then you could dump it
>> into a database, and when
>> the customer calls again you could easily find the relevant information
>> from the log. As of now I spend some
>> amount of time in my /var/asterisk/logs/ comparing call numbers and try
>> to understand what my customer did.
>>
>> Also - you could easily delete info that is too old to be saved and so on.
>>
>> What do you think? Let's do some brainstorming..
>> Is this possible and how can it be implemented?
>
> This would absolutely be useful, and has been discussed a number of
> times.  The first step is a _huge_ one, and that is to add an argument
> to all of the calls to ast_log and ast_verbose to include the relevant
> ast_channel if there is one.  Then, logging mechanisms could take
> advantage of having access to channel data.
>
> I guess we could make the API changes in trunk, and then have the mass
> conversion be a janitor project ...
>

I think trunk has linked_id, so logs can be filtered by that. I
currently have dialplan-implemented linked_id which is basically first
uniqueid for call. Then a simple script helps me retrieve necessary
log:

#!/bin/bash

if [ "$1" == "" ]; then
  echo "Usage: fetch.sh <call_id>"
  exit 1;
fi

if [ "$2" == "" ]; then
LOG_FILE="cat /var/log/asterisk/full"
else
LOG_FILE="cat /var/log/asterisk/full.$2.gz | gunzip"
fi

A="$LOG_FILE | grep -F $1 > /tmp/callid.txt"
eval $A
cat /tmp/callid.txt | grep -o -P
"(?:ERROR|WARNING|VERBOSE|DEBUG)\[([0-9]*)\]" | grep -o "\[[0-9]*\]" |
uniq | s
A="$LOG_FILE | grep -F -f /tmp/callid_pids.txt > callid_$1.log"
eval $A

rm /tmp/callid.txt
rm /tmp/callid_pids.txt



-- 
Atis Lezdins,
VoIP Project Manager / Developer,
atis at iq-labs.net
Skype: atis.lezdins
Cell Phone: +371 28806004
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