[gentoo-user] Problem upgrading mediawiki

[gentoo-user] Problem upgrading mediawiki

[Enrico Weigelt]

Hi folks,


I just tried to upgrade some wikis from 1.4.15 (to 1.5.8, 1.6.8,
1.7.1) and ran into trouble: while trying access the wiki, I
get an query error - seems the database layout has changed.

How can I update it ? 


thx
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[gentoo-user] Re: Problem upgrading mediawiki

[Enrico Weigelt]

* Enrico Weigelt <weigelt@metux.de> wrote:

Hi,

> I just tried to upgrade some wikis from 1.4.15 (to 1.5.8, 1.6.8,
> 1.7.1) and ran into trouble: while trying access the wiki, I
> get an query error - seems the database layout has changed.

Another wiki, 1.5.8, makes trouble when trying to upgrade to
1.6.8 and 1.7.1 as well:

# Fatal error: Call to a member function getLatest() on a non-object in 
# /var/www/gez-widerstand.metux.de/htdocs/includes/SkinTemplate.php on line 804


cu
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Re: [gentoo-user] Problem upgrading mediawiki

[Boyd Stephen Smith Jr.]

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On Sunday 31 December 2006 11:20, Enrico Weigelt <weigelt@metux.de> wrote 
about '[gentoo-user] Problem upgrading mediawiki':
> I just tried to upgrade some wikis from 1.4.15 (to 1.5.8, 1.6.8,
> 1.7.1) and ran into trouble: while trying access the wiki, I
> get an query error - seems the database layout has changed.

Yep, the database layout of MediaWiki changes with the minor version 
1.4.x -> 1.5.x (etc.).

> How can I update it ?

I believe the MediaWiki developers generally provide update scripts [small 
downtime] and/or a way to export the data, delete the db, recreate the db, 
and import the data [large downtime].

AFAICT, this is a MediaWiki issue and not a Gentoo issue.  You might get 
better responses using their support system instead.

-- 
"If there's one thing we've established over the years,
it's that the vast majority of our users don't have the slightest
clue what's best for them in terms of package stability."
-- Gentoo Developer Ciaran McCreesh

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Re: [gentoo-user] Problem upgrading mediawiki

[Jigme Datse]

Enrico Weigelt wrote:
> Hi folks,
> 
> 
> I just tried to upgrade some wikis from 1.4.15 (to 1.5.8, 1.6.8,
> 1.7.1) and ran into trouble: while trying access the wiki, I
> get an query error - seems the database layout has changed.
> 
> How can I update it ? 

I ran into a similar problem in one of my updates of it.  I am currently 
running 1.68, and was running 1.4 and may have gone through the 1.5 
series.  There is documentation on the mediawiki site at
http://www.mediawiki.org/wiki/Manual:Upgrading the key that I think you 
may be missing is the command:

$ php update.php

Though there are some things with that, such as files moving (I believe) 
so what looks like it should be simple there are two versions of files 
there, one in /var/www/ and one on /usr/share/webapps, and I can't tell 
you what the difference is, and which is needed for what, but I believe 
both are indeed needed.

Please look at the mediawiki docs as I think they will give you what you 
need if this message hasn't.

						Jigme Datse
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Re: [gentoo-user] Problem upgrading mediawiki

[Enrico Weigelt]

* Jigme Datse <jrasku@armispiansystems.ca> wrote:

Hi,

> I ran into a similar problem in one of my updates of it.  I am currently 
> running 1.68, and was running 1.4 and may have gone through the 1.5 
> series.  There is documentation on the mediawiki site at
> http://www.mediawiki.org/wiki/Manual:Upgrading the key that I think you 
> may be missing is the command:
> 
> $ php update.php

Of course I tried that, but didn't help.
Some further research showed up:

You need to copy LocalSettings.php to AdminSettings.php and add 
$wgDBadminuser+$wgDBadminpassword containing your DB's root
login data there. 

BTW: I'm a little bit confused why it needs root privileges to 
add / change some tables. Isn't the database already owned by the
wiki's user ? ... strange ...


cu
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Re: [gentoo-user] Problem upgrading mediawiki

[kashani]

Enrico Weigelt wrote:

> BTW: I'm a little bit confused why it needs root privileges to 
> add / change some tables. Isn't the database already owned by the
> wiki's user ? ... strange ...

Some people prefer to give their webapps limited insert, update, and 
delete access and it's likely that Mediawiki's updates require alter, 
create, drop, and file access which might be why they say to use an 
account with root privileges.

kashani
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Re: [gentoo-user] Problem upgrading mediawiki

[Enrico Weigelt]

* kashani <kashani-list@badapple.net> wrote:

> Some people prefer to give their webapps limited insert, update, and 
> delete access and it's likely that Mediawiki's updates require alter, 
> create, drop, and file access which might be why they say to use an 
> account with root privileges.

For larger (not web-only) applications I can understand giving 
several subsystems specific access via separate views. But for
an monolithic web(-only)-app like mediawiki, its really useless.
The worst damage an attacker can do is deleting or changing data,
database ownership is not needed for that.

Does anyone known some way (w/o crawling too deep in the code)
for givinb mediawiki the ownership of the database and never ever
require superuser privileges anymore ? 


cu
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Re: [gentoo-user] Problem upgrading mediawiki

[Enrico Weigelt]

* Enrico Weigelt <weigelt@metux.de> wrote:

> Does anyone known some way (w/o crawling too deep in the code)
> for givinb mediawiki the ownership of the database and never ever
> require superuser privileges anymore ? 

Well, just found it out by myself:

* log into you wiki database and give your wikiuser all permissions:
  
  GRANT ALL ON *.* TO $wikiuser@localhost ;
  
* set $wgDBadminuser/$wgDBadminpassword to your normal wiki user
  in AdminSettings.php (you may copy it from LocalSettings.php)
  
* run 'php update.php' 


cu
PS: does anyone get mediawiki running on postgresql ?
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Re: [gentoo-user] Problem upgrading mediawiki

[Enrico Weigelt]

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Okay folks, 

here's a little script for assisting wiki updates. 
It does not yet fix the database permissions, since I'm not yet 
shure how I like to pass the superuser login/passwd.
(suggestions welcomed)

cu
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#!/usr/bin/php
<?php
//
// Copyright 2006, Enrico Weigelt, metux IT service <weigelt@metux.de>
//
// This script may be redistributed under the terms of the GPL.
//

$WEBAPP="mediawiki";
$DBSUPERUSER_NAME="root";
$DBSUPERUSER_PASSWORD="pemnj92";

if (!$_SERVER{'argv'}[2])
    die ("update-wiki: <hostname> <version>");

$HOSTNAME=$_SERVER{'argv'}[1];
$VERSION=$_SERVER{'argv'}[2];
$WWWROOT="/var/www/$HOSTNAME/htdocs";
$MNTDIR="$WWWROOT/maintenance/";
$LOCALSETTINGS="$WWWROOT/LocalSettings.php";
$ADMINSETTINGS="$WWWROOT/AdminSettings.php";

if (!@fopen($LOCALSETTINGS,"r"))
    die ( "missing LocalSettings.php - you have to configure it first" );

if (!@fopen($ADMINSETTINGS,"r"))
{
    echo "missing AdminSettings.php ... creating it\n";
    define('MEDIAWIKI',1);
    require_once($LOCALSETTINGS);
    $fp_in=fopen($LOCALSETTINGS,"r");
    $fp_out=fopen($ADMINSETTINGS,"w");
    while (!feof($fp_in))
    {
	$line=fgets($fp_in,4096);
	if (trim($line)=='?>')
	{
	    fputs($fp_out,'$wgDBadminuser="'.$wgDBuser."\";\n");
	    fputs($fp_out,'$wgDBadminpassword="'.$wgDBpassword."\";\n");
	    fputs($fp_out,"\n");
	    fputs($fp_out,$line);
	    while (!feof($fp_in))
		fputs($fp_out,fgets($fp_in,4096));
	    $gotend = true;
	}
	else
	    fputs($fp_out,$line);
    }
    if (!$gotend)
    {
	fputs($fp_out,'$wgDBadminuser="'.$wgDBuser."\";\n");
	fputs($fp_out,'$wgDBadminpassword="'.$wgDBpassword."\";\n");
    }
    fclose($fp_in);
    fclose($fp_out);
}    

print "Upgrading the webapp code (->webapp-config)\n";
if (passthru("webapp-config -U -h $HOSTNAME $WEBAPP $VERSION",$ret)||($ret==0))
    print "Okay\n";
else
    die ( "webapp-config failed: $ret\n");

print "Now calling the update script\n";
print "If it cannot do certain structure changes (ie. creating tables),\n";
print "you have to give full db access to the wiki user\n";
print "\n";

if (passthru("cd $MNTDIR && php update.php",$res)||($res==0))
    print "OKAY\n";
else
    die("ERROR\n");

Re: [gentoo-user] Problem upgrading mediawiki

[Enrico Weigelt]

* Enrico Weigelt <weigelt@metux.de> wrote:

Another update issue: 

$wgDisableUploads has been replaced by $wgEnableUploads


cu
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