Attachment 40140 Details for Bug 13799 – Bug 13799 - Set up logging and configuration file reading for Mojolicious.

[patch] Bug 13799 - Set up logging and configuration file reading for Mojolicious.

Bug-13799---Set-up-logging-and-configuration-file-.patch (text/plain), 4.38 KB, created by Olli-Antti Kivilahti on 2015-06-15 13:19:50 UTC

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Creator: Olli-Antti Kivilahti

Created: 2015-06-15 13:19:50 UTC

Size: 4.38 KB

patch

obsolete

>From 7cbafeaacd9676ffd8e1d2ed12051409bc524ddb Mon Sep 17 00:00:00 2001
>From: Olli-Antti Kivilahti <olli-antti.kivilahti@jns.fi>
>Date: Thu, 11 Jun 2015 17:48:54 +0300
>Subject: [PATCH] Bug 13799 - Set up logging and configuration file reading
> for Mojolicious.
>
>Use environmental values to control some aspects of Mojolicious:
>This way we can have different settings for different servers running Mojolicious.
>
>%%%% Configuration file %%%%
>
>$ENV{MOJO_CONFIG} should be set in the system service (init) starting Mojolicious, eg:
>export MOJO_CONFIG=/home/koha/kohaclone/api/v1/hypnotoad.conf
>
>This configuration file read by the Mojolicious::Plugin::Config
>http://mojolicio.us/perldoc/Mojolicious/Plugin/Config
>
>%%%%% Logging %%%%%
>
>>NOTE!!
>>There is a "feature" in Mojo::Server disabling STDOUT and STDERR, because such errors are not-suited-for-prod~
>>This modification in Mojo::Server disables this and preserves the STD* handles for forked server threads
>>in Mojo::Server::daemonize(), comment out the following lines
>>
>># Close filehandles
>>#  open STDOUT, '>/dev/null';
>>#  open STDERR, '>&STDOUT';
>
>Log to a filename configured in an environemnt variable $ENV{MOJO_LOGFILE} using loglevel $ENV{MOJO_LOGLEVEL}.
>Defaults to '/tmp/koha-api.log' and loglevel of 'error'
>Examples:
>export MOJO_LOGFILE=/home/koha/koha-dev/var/log/kohaapi.mojo.log
>export MOJO_LOGLEVEL=debug
>
>Logging is done by Mojo::Log
>http://www.mojolicio.us/perldoc/Mojo/Log
>---
> Koha/REST/V1.pm |   62 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
> 1 file changed, 62 insertions(+)
>
>diff --git a/Koha/REST/V1.pm b/Koha/REST/V1.pm
>index 3becf12..089461b 100644
>--- a/Koha/REST/V1.pm
>+++ b/Koha/REST/V1.pm
>@@ -2,10 +2,72 @@ package Koha::REST::V1;
> 
> use Modern::Perl;
> use Mojo::Base 'Mojolicious';
>+use Mojo::Log;
>+
>+=head startup
>+
>+Starts the Mojolicious application using whatever server is configured.
>+
>+Use environmental values to control some aspects of Mojolicious:
>+This way we can have different settings for different servers running Mojolicious.
>+
>+=head2 Configuration file
>+
>+$ENV{MOJO_CONFIG} should be set in the system service (init) starting Mojolicious, eg:
>+export MOJO_CONFIG=/home/koha/kohaclone/api/v1/hypnotoad.conf
>+
>+This configuration file read by the Mojolicious::Plugin::Config
>+http://mojolicio.us/perldoc/Mojolicious/Plugin/Config
>+
>+=head2 Logging
>+
>+    #NOTE!!
>+    #There is a "feature" in Mojo::Server disabling STDOUT and STDERR, because such errors are not-suited-for-production?!?
>+    #This modification in Mojo::Server disables this and preserves the STD* handles for forked server threads
>+    #in Mojo::Server::daemonize(), comment out the following lines
>+    #
>+    #  # Close filehandles
>+    #  open STDOUT, '>/dev/null';
>+    #  open STDERR, '>&STDOUT';
>+
>+Log to a filename configured in an environment variable $ENV{MOJO_LOGFILES} using loglevel $ENV{MOJO_LOGLEVEL}.
>+Actually you get 3 logfiles on $ENV{MOJO_LOGFILES}.
>+.log for Mojo::Log
>+.stdout for STDOUT
>+.stderr for STDERR
>+
>+Defaults to STDERR and loglevel of 'error'
>+Examples:
>+export MOJO_LOGFILES=/home/koha/koha-dev/var/log/kohaapi.mojo
>+export MOJO_LOGLEVEL=debug
>+
>+Logging is done by Mojo::Log
>+http://www.mojolicio.us/perldoc/Mojo/Log
>+
>+=cut
> 
> sub startup {
>     my $self = shift;
> 
>+    #Log to a filename with loglevel configured in environment variables
>+    if ($ENV{MOJO_LOGFILES}) {
>+        $self->app->log( Mojo::Log->new( path => $ENV{MOJO_LOGFILES}.'.log', level => ($ENV{MOJO_LOGLEVEL} || 'error') ) );
>+        open(STDOUT,'>>',$ENV{MOJO_LOGFILES}.'.stdout') or die __PACKAGE__."::startup():> Couldn't open the STDOUT logfile for appending.\n".$!;
>+        open(STDERR,'>>',$ENV{MOJO_LOGFILES}.'.stderr') or die __PACKAGE__."::startup():> Couldn't open the STDERR logfile for appending.\n".$!;
>+    }
>+    else {
>+        $self->app->log(); #Default to STDERR
>+        print __PACKAGE__."::startup():> No logfile given, defaulting to STDERR. Define your logfile and loglevel to the MOJO_LOGFILE and MOJO_LOGLEVEL environmental variables.\n";
>+    }
>+
>+    #Enable the config-plugin. Loads the config file from $ENV{MOJO_CONFIG} by default.
>+    if ($ENV{MOJO_CONFIG}) {
>+        $self->plugin('Config');
>+    }
>+    else {
>+        print __PACKAGE__."::startup():> No config-file loaded. Define your config-file to the MOJO_CONFIG environmental variable.\n";
>+    }
>+
>     my $route = $self->routes->under->to(
>         cb => sub {
>             my $c = shift;
>-- 
>1.7.9.5

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