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#!/usr/bin/env python
# IVLE - Informatics Virtual Learning Environment
# Copyright (C) 2007-2009 The University of Melbourne
#
# This program 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 2 of the License, or
# (at your option) any later version.
#
# This program 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 this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
"""Script to install an IVLE development environment."""
import hashlib
import logging
import subprocess
import sys
import uuid
if len(sys.argv) == 2:
user = sys.argv[1]
logging.info("Installing IVLE development environment for %s" % user)
else:
print >> sys.stderr, \
"""This script will install an IVLE development environment on a system
running Ubuntu 9.04 or later. It will fiddle with /etc/hosts, create
PostgreSQL users and databases, add some Apache virtual hosts, create
directories in /var/lib/ivle, copy a Python package into your PYTHONPATH,
and possibly other things too. If you really want all that to happen,
rerun this script with your username as an argument.
"""
sys.exit(1)
logging.info("Installing dependencies.")
subprocess.check_call([
"sudo", "apt-get", "install", "apache2", "libapache2-mod-python",
"libapache2-svn", "python2.6", "python-configobj",
"python-docutils", "python-epydoc", "python-formencode",
"python-genshi", "python-psycopg2", "python-svn", "python-storm",
"libjs-jquery", "libjs-codemirror", "postgresql", "subversion",
"debootstrap", "rsync", "build-essential"])
logging.info("Building.")
subprocess.check_call(["./setup.py", "build"])
subprocess.check_call(["sudo", "./setup.py", "install"])
# Set up the database.
logging.info("Creating %s as PostgreSQL superuser." % user)
subprocess.check_call(["sudo", "-u", "postgres", "createuser", "-s", user])
# We installed psycopg2 above, so we can import it now.
import psycopg2
import psycopg2.extensions
logging.info("Connecting to PostgreSQL.")
conn = psycopg2.connect(database='postgres')
conn.set_isolation_level(psycopg2.extensions.ISOLATION_LEVEL_AUTOCOMMIT)
cursor = conn.cursor()
logging.info("Creating ivle as normal PostgreSQL user.")
ivle_password = hashlib.md5(uuid.uuid4().bytes).hexdigest()
cursor.execute("CREATE ROLE ivle PASSWORD '%s' LOGIN" % ivle_password)
logging.info("Creating IVLE database.")
cursor.execute("CREATE DATABASE ivle OWNER ivle")
logging.info("Connecting to IVLE database.")
ivlesuconn = psycopg2.connect(database='ivle')
ivlesuconn.set_isolation_level(psycopg2.extensions.ISOLATION_LEVEL_AUTOCOMMIT)
ivlesucursor = ivlesuconn.cursor()
logging.info("Creating language plpgsql.")
ivlesucursor.execute("CREATE LANGUAGE plpgsql")
logging.info("Connecting to IVLE database as new user.")
ivleconn = psycopg2.connect(
host='localhost', database='ivle', user='ivle', password=ivle_password)
ivleconn.set_isolation_level(psycopg2.extensions.ISOLATION_LEVEL_AUTOCOMMIT)
ivlecursor = ivleconn.cursor()
logging.info("Populating database with schema.")
schemafile = open("userdb/users.sql")
ivlecursor.execute(schemafile.read())
suite = subprocess.Popen(
["lsb_release", "-c", "-s"], stdout=subprocess.PIPE).communicate()[0][:-1]
# Set the filesystem and config up.
logging.info("Configuring IVLE.")
subprocess.check_call([
"sudo", "ivle-config",
"--database/username", "ivle",
"--database/password", ivle_password,
"--jail/devmode", "True",
"--jail/suite", suite,
])
logging.info("Creating data hierarchy.")
subprocess.check_call(["sudo", "ivle-createdatadirs"])
# Configure Apache
logging.info("Configuring Apache.")
subprocess.check_call(
["sudo", "cp", "examples/config/apache.conf",
"/etc/apache2/sites-available/ivle"])
subprocess.check_call(
["sudo", "a2ensite", "ivle"])
subprocess.check_call(
["sudo", "cp", "examples/config/apache-svn.conf",
"/etc/apache2/sites-available/ivle-svn"])
subprocess.check_call(
["sudo", "a2ensite", "ivle-svn"])
subprocess.check_call(
["sudo", "/etc/init.d/apache2", "reload"])
# Configure name resolution
logging.info("Configuring /etc/hosts.")
hosts_tee = subprocess.Popen(
["sudo", "tee", "-a", "/etc/hosts"], stdin=subprocess.PIPE)
hosts_tee.communicate(
"127.0.1.1 ivle.localhost public.ivle.localhost svn.ivle.localhost")
# Configure usrmgt-server init script.
logging.info("Installing usrmgt-server.")
subprocess.check_call(
["sudo", "cp", "examples/config/usrmgt-server.init",
"/etc/init.d/ivle-usrmgt-server"])
subprocess.check_call(["sudo", "/etc/init.d/ivle-usrmgt-server", "start"])
subprocess.check_call(
["sudo", "update-rc.d", "ivle-usrmgt-server", "defaults", "99"])
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