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Bug 24272: add check_sysprefs_cache.pl 

This script ensure that no sysprefs have been changed directly in the database and/or
that the cache has not become corrupted. We have occasionally seen this happen on production sites

To test:
1 - In the staff interface go to Administration
2 - Search for system preference 'IntranetUserJS'
3 - Add content to the syspref:
    console.log('Hi!');
4 - On the command line launch mysql
    sudo koha-mysql kohadev
5 - Alter the syspref directly
    UPDATE systempreferences SET value = "console.log('Bye!');" WHERE variable = 'IntranetUserJS';
6 - run the script
    perl misc/maintenance/check_syspref_cache.pl
7 - You are warned about the altered system preference

Signed-off-by: David Nind <david@davidnind.com>
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>

Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>
(cherry picked from commit de5527f37d)
Signed-off-by: Fridolin Somers <fridolin.somers@biblibre.com>
(cherry picked from commit 5a1e18efd8)

Signed-off-by: Andrew Fuerste-Henry <andrew@bywatersolutions.com>
This commit is contained in:
Nick 2019-12-19 03:20:36 +00:00 committed by Andrew Fuerste-Henry
parent ae21f41f48
commit ff6951e83b
1 changed files with 48 additions and 0 deletions
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48
misc/maintenance/check_syspref_cache.pl Executable file
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#! /usr/bin/perl
# This file is part of Koha.
#
# Koha is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# Koha is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Koha; if not, see <http://www.gnu.org/licenses>.
use Modern::Perl;
use Koha::Script;
use Koha::Caches;
use Koha::Config::SysPrefs;
use C4::Context;
=head1 NAME
check_syspref_cache.pl
=head1 SYNOPSIS
perl check_syspref_cache.pl
=head1 DESCRIPTION
Catch data inconsistencies in cached sysprefs vs those in the database
=cut
my $syspref_cache = Koha::Caches->get_instance('syspref');
my $prefs = Koha::Config::SysPrefs->search();
while (my $pref = $prefs->next) {
my $var = lc $pref->variable;
my $cached_var = $syspref_cache->get_from_cache("syspref_$var");
next unless $cached_var;
print "$var: value in cache is $cached_var and value in db is ".$pref->value,"\n" unless $cached_var eq $pref->value;
}