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.. IVLE - Informatics Virtual Learning Environment
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Copyright (C) 2007-2009 The University of Melbourne
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.. This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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.. This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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.. You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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IVLE comes with supplied sample data to give a quick overview of the system.
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This sample data may be installed by an administrative script. It should not
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be installed in a production environment.
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The sample data consists of database entries, for populating sample subjects,
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offerings, users, projects, groups and worksheets, as well as some sample
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files in users' Subversion repositories.
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Installing the sample data
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==========================
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The data is stored in an SQL dump file, in ``examples/db/sample.sql``.
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You must import this data into a **fresh** IVLE database. If you already have
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a working IVLE install, it will have to be erased. A script is provided
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which performs the following tasks:
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* Unmounts all users with accounts in the current database,
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* Drops the IVLE database if it already exists (prompting first),
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* Creates and initialises a new IVLE database, as per :ref:`database-setup`,
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* Populates the database with the sample data,
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* Creates data directories and subversion repositories for all users, backing
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up directories for any existing users.
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The script is executed with the following command::
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sudo ivle-loadsampledata examples/db/sample.sql
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.. warning:: This script essentially destroys all contents in an existing IVLE
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installation. Be sure you wish to do this.
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.. note:: The script may fail at the "dropping database" phase if Apache or
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another process are using the database. It is best to stop Apache before
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If the database exists, but is not properly initialised, then the script
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may fail. In this case, you should manually run ``ivle-mountallusers -u``,
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then drop the database, to ensure a clean build.
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Subjects, semesters and offerings
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---------------------------------
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There are four semesters in the database: 2009 semesters 1 and 2, and 2010
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.. note:: We pretend that we are in 2009 semester 2 (even if that doesn't
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agree with the system clock). Therefore, 2009 semester 1 is a "past
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semester", 2009 semester 2 is the "current semester", and the 2010
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semesters are "future semesters."
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There are four subjects in the database, with subject short names ivle-101,
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ivle-102, ivle-201 and ivle-202.
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The subjects have offerings for some of the semesters, as shown in this table:
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+------+----------+-----------+
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| Year | Semester | Subject |
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+======+==========+===========+
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| 2009 | 1 | ivle-101 |
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+------+----------+-----------+
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| 2009 | 2 | ivle-102 |
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+------+----------+-----------+
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| 2010 | 1 | ivle-101 |
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+------+----------+-----------+
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| 2010 | 1 | ivle-201 |
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+------+----------+-----------+
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| 2010 | 2 | ivle-102 |
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+------+----------+-----------+
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| 2010 | 2 | ivle-202 |
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+------+----------+-----------+
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There are four users (username/password). Note that in all cases, the password
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* admin/password: This user has administrative rights over the entire system.
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* lecturer/password: This is a normal user, but is enrolled as a lecturer in
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100101 (2009 semester 1) and 100102 (2009 semester 2).
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* studenta/password: This is a normal user, enrolled in 100101 (2009 semester
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1) and 100102 (2009 semester 2).
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* studentb/password: This is a normal user, enrolled in 100102 (2009 semester
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2). This student has not yet accepted the Terms of Service, so does not have
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.. note:: For the first three users, the Subversion password is also
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"password". This means it is possible to access their SVN repository
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with a stand-alone SVN client with that password. This is somewhat
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unrealistic, as the SVN password in IVLE is usually a randomly-generated
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string, not related to the user's IVLE login password.
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When studentb logs in for the first time, his SVN repository is created,
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and given a random password.
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Updating the sample data
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========================
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For developers: If you need to update the sample data, follow this procedure.
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Run the following command::
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pg_dump --schema=public --disable-triggers --data-only --column-inserts \
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--inserts --no-owner ivle > examples/db/sample.sql
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Then check the diff. You may hand-edit the SQL file, but only for the purpose
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of fixing up unsightly data -- it should be possible to reload from the script
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and re-export with no diff.
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doc/man/sample.rst
