Re: [log4perl-devel] Optional loggers in config

[Alexander H. <ale...@gm...>]

On Sat, Sep 6, 2014 at 9:56 PM, Bill Moseley <mo...@ha...> wrote:

> In my log4perl config file I have a very simple screen appender.
>
> log4perl.appender.screenAppender = Log::Log4perl::Appender::Screen
> log4perl.appender.screenAppender.utf8     = 1
> log4perl.appender.screenAppender.layout =
> Log::Log4perl::Layout::PatternLayout
> log4perl.appender.screenAppender.layout.ConversionPattern \
>    = [%d{E MMM dd HH:mm:ss yyyy}] [%p] .......
>
>
>
> Sometimes my Catalyst app runs under mod_perl2 and so I'd like to try
> using the Log::Dispatch::ApacheLog[1] appender *instead* of the Screen
> appender.
>
> 1) Is there a way in the config to optionally select appenders?   Or would
> it just be better to have more than one log4perl config file and select the
> file at start (e.g. by specifying which log4perl file to use at startup)?
>
> 2) Perhaps a question for another list, but the ApacheLog appender wants a
> "$r", which the docs say is an Apache or Apache::Server object.
>  Something like this?
>
> log4perl.appender.screenAppender = Log::Dispatch::ApacheLog
> log4perl.appender.screenAppender.apache = sub {
> Apache2::ServerUtil->server }
>
>
> I assume setting utf8 is specific to the appender, right?
>
> 3) Do I need to use Log::Log4perl::Appender::Synchronized with Apache?
> In my testing with the Screen appender messages < 4K are always written to
> the logs atomically -- anything larger then I can get mixing of log entries
> from different processes.
>
> Thanks,
>
>
> [1] The reason would be to have a unified format for both app log entires
> and any messages Apache generates.
>

Hi Bill,
what I do in our Catalyst apps is to have the l4p config inside the
Catalyst::Plugin::ConfigLoader config which is selected through an env var.
As I have different Catalyst configs for development, testing and
production deployment the l4p config inside is different too.

BR Alex


>
> --
> Bill Moseley
> mo...@ha...
>
>
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