18 Aug
2005
18 Aug
'05
11:09 a.m.
Hi Ludovic and Jeremi,
Thanks for your responses!
We also have a backup (import/export) tools which we
just released
which can be adapted for initial import and installs in other
environments. See http://www.xwiki.org/xwiki/bin/view/AdminGuide/Backup
Ok, I looked at this and have xwiki from svn but can't find the
files the page mentions, where can I find these backup tools, or do they
still need more development?
There are one thing missing in your proposed approach
which is loading
the default data (the import tool can do this just after having done
the schemaUpdate).
There is one thing I don't like which is the dependency on ant. We
need something that doesn't have this dependency. Many users are not
developers and might not have ant. An shell script and a batch file
running java is probably the way to go.
I don't think that's much of an issue at all, since Ant itself
includes ant.sh, ant.bat to run it as a script. Or you include ant.jar
in your distro and use your own wrapper scripts to call it. In the end,
though, the best reason I've found to do as much as possible in Ant and
write only the simplest wrapper scripts is that means you keep your code
and build/deploy process as platform independent as possible which makes
debugging a lot easier.
You're right about importing default data. I can't really see any
clever way to do this that is database agnostic. One idea is that you
write a simple Main class that uses hibernate and your persistent
classes to programmatically create the data. This in theory would then
work for any database as well and could even be the start of unit
testing with your persistent classes...
My main point here though is I agree you don't want to force users
to become developers, but it's even worse that users have to become
DBA's. In my country a database admin usually gets paid more than a
developer and requires more specialized skills ;-)
Cheers, Jason
If you want to help you are welcome to.
Ludovic
Jason Novotny wrote:
Hi Ludovic,
I've been looking at the instructions at
http://www.xwiki.org/xwiki/bin/view/Main/InstallLinuxTomcat and there
are about 8 steps too many for this software to gain widespread
adoption in my opinion. One of the biggest issues I see is that it
uses Hibernate which is great since technically db tables can be auto
generated using the Hibernate schemaexport tool with the xwiki
mapping file to create tables in any database of your choosing.
However, it looks like I specifically need MySQL and I don't know
why. I look at the JBoss + Postgres install page and sure enough it
points out the flaws of this approach:
"Download the sample database and convert for Postgres. See
PostgresDatabase
<http://www.xwiki.org/xwiki/bin/view/Dev/PostgresDatabase> -> This
tool has been made by Nicholas Vesser.. It was done with an old mysql
database for XWiki.. You should try it with the latest database.."
hmm, not fun.
Personally, what I would like to see is this:
1) Download xwiki.zip
2) Run "ant install" which performs:
Creating/deploying xwiki webapp to your Tomcat that you set in
your build.properties
Uses schemaexport to generate tables in your database that is
defined in the hibernate properties file
3) Start your server and voila!
Further, it could use hsqldb as a default so if you didn't
reconfigure the hibernate properties file it would simply use hsqldb
which can be bundled with the wiki webapp and used for test purposes.
How does this sound?
Cheers, Jason
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