django-orchestra/orchestra/contrib/webapps/backends/moodle.py

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2023-07-09 07:51:51 +00:00
import os
import textwrap
from django.utils.translation import gettext_lazy as _
from orchestra.contrib.orchestration import ServiceController, replace
from .. import settings
from . import WebAppServiceMixin
class MoodleController(WebAppServiceMixin, ServiceController):
"""
Installs the latest version of Moodle available on download.moodle.org
"""
verbose_name = _("Moodle")
model = 'webapps.WebApp'
default_route_match = "webapp.type == 'moodle-php'"
doc_settings = (settings,
('WEBAPPS_DEFAULT_MYSQL_DATABASE_HOST',)
)
def save(self, webapp):
context = self.get_context(webapp)
self.append(textwrap.dedent("""\
if [[ $(ls "%(app_path)s" | wc -l) -gt 1 ]]; then
echo "App directory not empty." 2> /dev/null
exit 0
fi
mkdir -p %(app_path)s
# Prevent other backends from writting here
touch %(app_path)s/.lock
# Weekly caching
moodle_date=$(date -r $(readlink %(cms_cache_dir)s/moodle) +%%s || echo 0)
if [[ $moodle_date -lt $(($(date +%%s)-7*24*60*60)) ]]; then
moodle_url=$(wget https://download.moodle.org/releases/latest/ -O - -q \\
| tr ' ' '\\n' \\
| grep 'moodle-latest.*.tgz"' \\
| sed -E 's#href="([^"]+)".*#\\1#' \\
| head -n 1 \\
| sed "s#download.php/#download.php/direct/#")
filename=${moodle_url##*/}
wget $moodle_url -O - --no-check-certificate \\
| tee %(cms_cache_dir)s/$filename \\
| tar -xzvf - -C %(app_path)s --strip-components=1
rm -f %(cms_cache_dir)s/moodle
ln -s %(cms_cache_dir)s/$filename %(cms_cache_dir)s/moodle
else
tar -xzvf %(cms_cache_dir)s/moodle -C %(app_path)s --strip-components=1
fi
mkdir %(app_path)s/moodledata && {
chmod 750 %(app_path)s/moodledata
echo -n 'order deny,allow\\ndeny from all' > %(app_path)s/moodledata/.htaccess
}
if [[ ! -e %(app_path)s/config.php ]]; then
cp %(app_path)s/config-dist.php %(app_path)s/config.php
sed -i "s#dbtype\s*= '.*#dbtype = '%(db_type)s';#" %(app_path)s/config.php
sed -i "s#dbhost\s*= '.*#dbhost = '%(db_host)s';#" %(app_path)s/config.php
sed -i "s#dbname\s*= '.*#dbname = '%(db_name)s';#" %(app_path)s/config.php
sed -i "s#dbuser\s*= '.*#dbuser = '%(db_user)s';#" %(app_path)s/config.php
sed -i "s#dbpass\s*= '.*#dbpass = '%(password)s';#" %(app_path)s/config.php
sed -i "s#dataroot\s*= '.*#dataroot = '%(app_path)s/moodledata';#" %(app_path)s/config.php
sed -i "s#wwwroot\s*= '.*#wwwroot = '%(www_root)s';#" %(app_path)s/config.php
fi
rm %(app_path)s/.lock
chown -R %(user)s:%(group)s %(app_path)s
# Run install moodle cli command on the background, because it takes so long...
stdout=$(mktemp)
stderr=$(mktemp)
nohup su - %(user)s --shell /bin/bash << 'EOF' > $stdout 2> $stderr &
php %(app_path)s/admin/cli/install_database.php \\
--fullname="%(site_name)s" \\
--shortname="%(site_name)s" \\
--adminpass="%(password)s" \\
--adminemail="%(email)s" \\
--non-interactive \\
--agree-license \\
--allow-unstable
EOF
pid=$!
sleep 2
if ! ps -p $pid > /dev/null; then
cat $stdout
cat $stderr >&2
exit_code=$(wait $pid)
fi
rm $stdout $stderr
""") % context
)
def get_context(self, webapp):
context = super(MoodleController, self).get_context(webapp)
contents = webapp.content_set.all()
context.update({
'db_type': 'mysqli',
'db_name': webapp.data['db_name'],
'db_user': webapp.data['db_user'],
'password': webapp.data['password'],
'db_host': settings.WEBAPPS_DEFAULT_MYSQL_DATABASE_HOST,
'email': webapp.account.email,
'site_name': "%s Courses" % webapp.account.get_full_name(),
'cms_cache_dir': os.path.normpath(settings.WEBAPPS_CMS_CACHE_DIR),
'www_root': contents[0].website.get_absolute_url() if contents else 'http://empty'
})
return replace(context, '"', "'")