[Koha-bugs] [Bug 8190] Add a logging module to Koha, that can report log message to staff interface (for developer use)

[bugzilla-daemon at bugs.koha-community.org]

http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=8190

Katrin Fischer <katrin.fischer at bsz-bw.de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|Signed Off                  |Failed QA

--- Comment #48 from Katrin Fischer <katrin.fischer at bsz-bw.de> ---
I can't get debug to show up. My LogLevel is set to the highest level 7. I
verified this is also the value in the systempreferences table.

I added following code to the mainpage.pl file:
use Koha::Utils::Logger qw/$log/;
$log = Koha::Utils::Logger->new;

$log->unusable("This is an unusable thing");
$log->critical("This is critical!");
$log->error("This is an error !");
$log->warning("This is only a warning.");
$log->normal("This nothing to worry about.");
$log->info("This is an information");
$log->debug("This is a debug message");

With LogToHtmlComments set to Embed I can see following in the HTML source code
of the main page:

<!-- LOG MESSAGES
[Thu Dec 27 17:54:44 2012] UNUS  : This is an unusable thing
[Thu Dec 27 17:54:44 2012] CRIT  : This is critical!
[Thu Dec 27 17:54:44 2012] ERROR : This is an error !
[Thu Dec 27 17:54:44 2012] WARN  : This is only a warning.
[Thu Dec 27 17:54:44 2012] NORMAL: This nothing to worry about.
[Thu Dec 27 17:54:44 2012] INFO  : This is an information

-->

My log files shows:
[27/12/2012 17:54:44] UNUS  : This is an unusable thing
[27/12/2012 17:54:44] CRIT  : This is critical!
[27/12/2012 17:54:44] ERROR : This is an error !
[27/12/2012 17:54:44] WARN  : This is only a warning.
[27/12/2012 17:54:44] NORMAL: This nothing to worry about.
[27/12/2012 17:54:44] INFO  : This is an information

My test plan so far was:

1) Apply patches and try to access Koha.
  Verify useful error message is shown.
2) Install new dependency: Log::LogLite
  sudo apt-get install liblog-loglite-perl
3) Run database update
  Verify database update works correctly
4) Run t/Logger.t
  Verify all tests pass
5) Do some searches in OPAC.
  Verify Koha does not explode and all is acting normal.
  Verify debug message is not showing up in HTML source.
  Look for <!-- LOG MESSAGES
  Verify nothing has changed and no messages show up.
6) Set environment variables in your Apache configuration files
  I added following line to the OPAC and Intranet <virtualhost> sections:
  SetEnv KOHA_LOG "/home/<user>/koha-dev/var/log/opac.log"
  SetEnv KOHA_LOG "/home/<user>/koha-dev/var/log/intranet.log"
  Make sure log file is writeable for your Apache user.
7) Repeat 5).
  Check that the searches show up in the OPAC log file.
8) Change one of the intranet files and add some messages/warns etc. 
  to be logged.
9) Set LogToHtmlComments to 'Embed' and check output in log file
  and for the debug messages in the source code.
  Looks for <!-- LOG MESSAGES

ALSO: With bug 7167 pushed, the update database part on this should be
rewritten.

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